Automatic air supply device applied to gas atomization powder manufacturing equipment

Abstract

The utility model provides an automatic air supply device applied to gas atomization powder manufacturing equipment, which comprises a fixed cylinder, a left connecting pipe and a right connecting pipe are respectively fixed at the left end and the right end of the fixed cylinder, an air supply pump is fixed at the top of the fixed cylinder, and the front end of the air supply pump is connected with a left electromagnetic valve and a right electromagnetic valve through branch pipes. An inner barrel is fixed to the middle of the fixing barrel, a limiting column is transversely fixed to the outer wall of the inner barrel, return springs are embedded into the left end and the right end of the outer side of the limiting column, a sliding block is embedded into the middle of the fixing barrel, protection barrels are fixed to the left end and the right end in the fixing barrel through supports, and a left pressing switch and a right pressing switch are fixed into the two protection barrels respectively. According to the air supply device, air can be automatically supplied to the interior of the smelting chamber and the interior of the atomization cavity, the situation that the air pressure difference between the smelting chamber and the atomization cavity is large is avoided, it is guaranteed that airflow in the gas atomization powder manufacturing equipment does not flow back, and use is more convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to air supplementing equipment technical field especially applies to an automatic air supplementing device for gas atomization powder making equipment. BACKGROUND

[0002] High-performance alloy powder is applied more and more widely in the fields of aerospace, electronic information, energy and power, metallurgical machinery and the like, compared with traditional powder metallurgy, the development of new technologies such as metal laser sintering and injection molding puts forward higher requirements on the characteristics of metal powder.Compared with other powder making methods, atomization method has high production efficiency and is suitable for a variety of metal and alloy powder and is one of the main metal powder preparation methods, among them, gas atomization powder making technology is one of the most widely used technologies at present, but in the existing gas atomization powder making equipment, the smelting chamber and the atomization cavity are directly communicated through the baffle valve, in the atomization powder making process, the airflow is easy to flow back into the smelting chamber from the atomization cavity through the baffle valve, and the powder will also enter the smelting chamber along with the airflow, and after a certain period of time, the smelting chamber will cause excessive powder deposition, resulting in discharge arc between the induction coil and the rod in the smelting chamber, affecting the normal operation of the equipment. SUMMARY

[0003] The utility model discloses an automatic air supplementing device applied to a gas atomization powder making equipment.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] An automatic air supplementing device applied to a gas atomization powder making equipment, comprising a fixed cylinder, the left and right ends of the fixed cylinder are respectively fixed with a left connecting pipe and a right connecting pipe, the top of the fixed cylinder is fixed with an air supplementing pump, the front end of the air supplementing pump is connected with a left electromagnetic valve and a right electromagnetic valve through a branch pipe, the middle part of the fixed cylinder is fixed with an inner cylinder body, the outer wall of the inner cylinder body is fixed transversely with a limiting column, the left and right ends of the outer side of the limiting column are both nested with a return spring, the middle part of the fixed cylinder is embedded with a sliding block, the left and right ends of the inside of the fixed cylinder are both fixed with a protective cylinder through a support, and a left press switch and a right press switch are respectively fixed in the two protective cylinders.

[0006] Preferably, the exhaust end of the air supplementing pump is communicated with the inside of the left connecting pipe through the branch pipe and the left electromagnetic valve, and the exhaust end of the air supplementing pump is communicated with the inside of the right connecting pipe through the branch pipe and the right electromagnetic valve.

[0007] Preferably, the left connecting pipe and the right connecting pipe are symmetrically arranged around the longitudinal central axis of the fixed cylinder, and the left connecting pipe and the right connecting pipe are communicated with the left and right ends of the inner cylinder body respectively.

[0008] Preferably, the sliding block is vertically embedded in the middle of the inner cylinder, and the outer wall of the sliding block is tightly attached to the inner wall of the inner cylinder.

[0009] Preferably, the sliding block slides horizontally left and right outside the limiting column, and the return springs at the left and right ends of the limiting column are tightly attached between the left and right ends of the sliding block and the left and right ends of the inner wall of the inner cylinder.

[0010] Preferably, the stop rods at the left and right ends of the sliding block are tightly attached to the pressing ends of the left and right pressing switches, respectively, the left pressing switch is electrically connected between the air supplement pump and the left electromagnetic valve through a power line, and the right pressing switch is electrically connected between the air supplement pump and the right electromagnetic valve through a power line.

[0011] After the left and right connecting pipes of the device are connected between the smelting chamber and the atomization cavity, the gas atomization powder production equipment operates normally, when the air pressure in the smelting chamber is greater than the air pressure in the atomization cavity, the sliding block moves right in the inner cylinder and presses the right pressing switch, so that the right pressing switch opens the air supplement pump and the right electromagnetic valve, air is quickly supplemented to the inside of the atomization cavity through the branch pipe and the right connecting pipe, when the air pressure in the smelting chamber is less than the air pressure in the atomization cavity, the sliding block moves left in the inner cylinder and presses the left pressing switch, so that the left pressing switch opens the air supplement pump and the left electromagnetic valve, air is quickly supplemented to the inside of the smelting chamber through the branch pipe and the left connecting pipe, thereby avoiding large air pressure difference between the smelting chamber and the atomization cavity, so as to ensure that the airflow in the gas atomization powder production equipment does not flow backward, and the use is more convenient. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a front view of the overall structure in the utility model;

[0013] Figure 2 It is a back view of the overall structure in the utility model;

[0014] Figure 3 It is a front view of the overall structure in the utility model;

[0015] Figure 4 It is an exploded view of the local structure of the inner cylinder in the utility model.

[0016] LEGEND:

[0017] Fixed cylinder 1, left connecting pipe 101, right connecting pipe 102, air supplement pump 103, left electromagnetic valve 2, right electromagnetic valve 3, inner cylinder 4, limiting column 401, return spring 402, sliding block 403, protective cylinder 405, left pressing switch 406, right pressing switch 407. DETAILED DESCRIPTION

[0018] Embodiment 1, refer to Figures 1-4The utility model relates to an automatic air supplement device for gas atomization powder making equipment, including fixed cylinder 1, the left and right ends of fixed cylinder 1 are fixed with left connecting pipe 101 and right connecting pipe 102 respectively, the top of fixed cylinder 1 is fixed with air supplement pump 103, the front end of air supplement pump 103 is connected with left electromagnetic valve 2 and right electromagnetic valve 3 through branch pipe, the middle part of fixed cylinder 1 is fixed with inner cylinder body 4, the lateral fixed limit post 401 of outer wall of inner cylinder body 4, the left and right ends of the outside of limit post 401 are all nested with return spring 402, the middle part of fixed cylinder 1 is embedded with sliding block 403, the left and right ends in fixed cylinder 1 are all fixed with protection cylinder 405 through support, and left press switch 406 and right press switch 407 are respectively fixed in two protection cylinders 405.

[0019] The exhaust end of air supplement pump 103 is communicated with the inside of left connecting pipe 101 through branch pipe and left electromagnetic valve 2, and the exhaust end of air supplement pump 103 is communicated with the inside of right connecting pipe 102 through branch pipe and right electromagnetic valve 3.

[0020] Left connecting pipe 101 and right connecting pipe 102 are symmetrically arranged around the longitudinal central axis of fixed cylinder 1, and left connecting pipe 101 and right connecting pipe 102 are communicated with the left and right ends of inner cylinder body 4 respectively.

[0021] Sliding block 403 is vertically embedded in the middle part of inner cylinder body 4, and the outer wall of sliding block 403 is close to the inner wall of inner cylinder body 4.

[0022] After left connecting pipe 101 and right connecting pipe 102 of the device are connected between the smelting chamber and the atomization cavity, the gas atomization powder making equipment normally runs, when the gas pressure in the smelting chamber is greater than the gas pressure in the atomization cavity, the sliding block 403 is right shifted in the inner cylinder body 4 and extrudes the right press switch 407 due to the gas pressure, so that the right press switch 407 opens the air supplement pump 103 and the right electromagnetic valve 3, so that the air supplement pump 103 quickly supplements air to the inside of the atomization cavity through the branch pipe and the right connecting pipe 102, and the gas pressure balance between the smelting chamber and the atomization cavity is realized.

[0023] The stop rods at the left and right ends of sliding block 403 are close to the pressing ends of left press switch 406 and right press switch 407 respectively, left press switch 406 is electrically connected between air supplement pump 103 and left electromagnetic valve 2 through power line, and right press switch 407 is electrically connected between air supplement pump 103 and right electromagnetic valve 3 through power line.

[0024] When the gas pressure in the smelting chamber is less than the gas pressure in the atomization cavity, the sliding block 403 is left shifted in the inner cylinder body 4 and extrudes the left press switch 406 due to the gas pressure, so that the left press switch 406 opens the air supplement pump 103 and the left electromagnetic valve 2, air is quickly supplemented to the inside of the smelting chamber through the branch pipe and the left connecting pipe 101, the difference between the gas pressures of the smelting chamber and the atomization cavity is avoided to be large, so that the airflow in the gas atomization powder making equipment does not appear to flow in reverse, and the use is more convenient.

[0025] Embodiment 2, different from Embodiment 1, in this embodiment, the sliding block 403 slides horizontally left and right outside the limiting column 401, and the return spring 402 at the left and right ends of the limiting column 401 is tightly attached between the left and right ends of the sliding block 403 and the left and right ends of the inner wall of the inner cylinder 4;

[0026] Among them, the main role of the limiting column 401 is to guide the sliding block 403 and avoid misalignment during the left and right movement of the sliding block 403;

[0027] When the sliding block 403 moves left and right in the inner cylinder 4 along the outer wall of the limiting column 401, it will squeeze the left or right return spring 402 on the limiting column 401 to compress, and when the gas pressure between the subsequent smelting chamber and the atomizing cavity is balanced, the deformed return spring 402 will generate a rebound force to restore to its original position, pushing the sliding block 403 to move to the middle of the inner cylinder 4 to restore to its original position.

[0028] The above is only the preferred embodiment of the present application, it should be pointed out that for those skilled in the art, without departing from the concept of the present application, can make a number of deformation and improvement, these should be considered as the protection scope of the present application, these will not affect the effect and practicality of the present application.

Claims

1. An automatic air supplement device for a gas atomizing powder production equipment, comprising a fixed cylinder (1), characterized in that, The left and right ends of the fixed cylinder (1) are respectively fixed with left and right connecting pipes (101) and (102), the top of the fixed cylinder (1) is fixed with a gas supplement pump (103), the front end of the gas supplement pump (103) is connected with left and right electromagnetic valves (2) and (3) through branch pipes, the middle part of the fixed cylinder (1) is fixed with an inner cylinder body (4), the outer wall of the inner cylinder body (4) is fixed transversely with a limiting column (401), the left and right ends of the outer side of the limiting column (401) are both nested with return springs (402), the middle part of the fixed cylinder (1) is embedded with a sliding block (403), the left and right ends of the inside of the fixed cylinder (1) are both fixed with protective cylinders (405) through supports, and the left and right ends of the two protective cylinders (405) are respectively fixed with left and right pressing switches (406) and (407).

2. The automatic air supplement device for use in an air-spraying powder manufacturing apparatus according to claim 1, wherein The exhaust end of the gas supplement pump (103) is communicated with the inside of the left connecting pipe (101) through a branch pipe and the left electromagnetic valve (2), and the exhaust end of the gas supplement pump (103) is communicated with the inside of the right connecting pipe (102) through a branch pipe and the right electromagnetic valve (3).

3. The automatic air supplement device for use in an air atomizing pulverizing plant according to claim 1, wherein The left and right connecting pipes (101) and (102) are symmetrically arranged around the longitudinal central axis of the fixed cylinder (1), and the left and right connecting pipes (101) and (102) are communicated with the left and right ends of the inner cylinder body (4) respectively.

4. The automatic air supplement device for use in an air-spraying powder manufacturing apparatus according to claim 1, wherein The sliding block (403) is vertically embedded in the middle part of the inner cylinder body (4), and the outer wall of the sliding block (403) is close to the inner wall of the inner cylinder body (4).

5. The automatic air supplement device for use in an air atomizing pulverizing plant according to claim 1, wherein The sliding block (403) slides horizontally left and right outside the limiting column (401), and the return springs (402) at the left and right ends of the limiting column (401) are close to the left and right ends of the sliding block (403) and the left and right ends of the inner wall of the inner cylinder body (4).

6. The automatic air supplement device for use in an air-spraying powder manufacturing apparatus according to claim 1, wherein The left and right ends of the sliding block (403) are close to the pressing ends of the left and right pressing switches (406) and (407) respectively, the left pressing switch (406) is electrically connected between the gas supplement pump (103) and the left electromagnetic valve (2) through a power line, and the right pressing switch (407) is electrically connected between the gas supplement pump (103) and the right electromagnetic valve (3) through a power line.

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