Vacuum furnace with alarm function

Abstract

The utility model provides a vacuum furnace with an alarm function, and relates to the technical field of vacuum furnaces, the vacuum furnace comprises a vacuum furnace main body used for vacuum processing and an exhaust box arranged at the upper end of the vacuum furnace main body, the exhaust box is arranged at the upper end of the vacuum furnace main body, and an air pressure box is fixedly mounted in the exhaust box; an air pressure groove is formed in the middle end of the interior of the air pressure box, an air pressure pushing rod is fixedly installed in the air pressure groove, the exterior of the air pressure pushing rod is slidably connected with the pushing plate, and a piston rod is connected and installed at the upper end of the air pressure pushing rod; according to the technical key points, air pressure in the vacuum furnace main body enters an air pressure groove in an air pressure box at the upper end, the air pressure groove detects the air pressure through an internal push rod, when the air pressure is too high, the push rod moves upwards and passes through a red dot sensor, and the red dot sensor transmits a signal to an external buzzer and an external alarm lamp; and the internal air pressure is warned to remind surrounding workers to decompress.

Description

Technical Field

[0001] The utility model relates to the technical field of alarm vacuum furnaces, in particular to a vacuum furnace with an alarm function. Background Art

[0002] The high-pressure gas quenching vacuum furnace adopts a graphite heater and a single horizontal type with hard graphite felt as the heat insulation screen, and a rear high-power quenching fan. The Fengdong high-pressure gas quenching vacuum furnace consists of a vacuum furnace body, a vacuum system, a water cooling system, an air charging system, a starting system, a relay control system, etc. The gas quenching vacuum furnace has a visual operation interface, which is easy and simple to operate. It can switch freely between manual and automatic modes and can realize fully automatic control. With the development of society, the application of high-pressure gas quenching vacuum furnaces has become more and more extensive.

[0003] However, research has found that the existing vacuum furnaces with alarm functions have certain disadvantages when used:

[0004] At present, the high-pressure gas quenching vacuum furnace is equipped with an alarm structure to understand the internal air pressure situation, so as to promptly remind workers to deal with it. However, the existing structure cannot vent when the staff is not present, which may cause the vacuum furnace to explode and cause losses. Utility Model Content

[0005] In order to overcome the existing problem that during annealing, an alarm structure is provided in the current high-pressure gas quenching vacuum furnace to understand the internal air pressure situation, so as to promptly remind workers to deal with it, but the existing structure cannot vent when the staff is not present, which may cause the vacuum furnace to explode and cause losses. The embodiment of the present application provides a vacuum furnace with an alarm function.

[0006] The technical solution adopted by the embodiment of the present application to solve its technical problem is: an exhaust box is fixedly installed at the upper end of the vacuum furnace body, and an air pressure groove is opened inside the air pressure box fixedly installed inside the exhaust box. When the air pressure inside the vacuum furnace body increases, it enters into the air pressure groove. After the air pressure inside the air pressure groove increases, the push plate moves upward. During the movement, it passes through the red dot sensor. The red dot sensor sends a signal to remind the staff to decompress. When the pressure is not decompressed, the internal pressure continues to increase, and the push plate continues to move upward. When it moves to the top, the piston rod is pushed out, and the piston rod moves upward to open the air outlet at the upper end of the air pressure box. The gas inside the air pressure groove is discharged outward through the air outlet, thereby ensuring that the vacuum furnace body will not be damaged due to excessive air pressure.

[0007] A vacuum furnace with an alarm function, comprising a vacuum furnace body, which is used for vacuum processing:

[0008] An exhaust box, which is arranged at the upper end of the vacuum furnace body;

[0009] Among them, an exhaust box is arranged on the upper end of the vacuum furnace body, an air pressure box is fixedly installed inside the exhaust box, an air pressure groove is opened in the middle end of the air pressure box, an air pressure push rod is fixedly installed inside the air pressure groove, the outside of the air pressure push rod is slidably connected with the push plate, a piston rod is connected and installed on the upper end of the air pressure push rod, and the other end of the piston rod is slidably matched with the air outlet opened at the upper end of the air pressure box.

[0010] In a possible implementation, a sliding groove is provided inside one end of the push plate, and the sliding groove is slidably connected to the pneumatic push rod.

[0011] In a possible implementation, a red dot sensor is fixedly installed on one side of the air pressure tank, and a regulator is provided at the other end of the sensor.

[0012] In a possible implementation, a buzzer is fixedly mounted on one side of the exterior of the exhaust box, and an alarm light is provided at one end of the buzzer.

[0013] In a possible implementation, a connection port is provided at one end of the piston rod, and a pneumatic push rod is connected and installed inside the connection port.

[0014] In a possible implementation, a piston plate is fixedly mounted on the other end of the piston rod, and the piston plate is slidably matched with an air outlet opened at the upper end of the air pressure box.

[0015] In a possible implementation, an exhaust port is provided in the middle of the upper end of the exhaust box, and a piston plate is provided at the lower end of the exhaust port.

[0016] In a possible implementation, a stabilizing plate is provided at the lower end of the vacuum furnace body, and support plates are fixedly installed at the four corners of the lower end of the stabilizing plate.

[0017] In summary, the present invention includes at least one of the following beneficial technical effects:

[0018] 1. The air pressure inside the vacuum furnace body enters the air pressure tank inside the upper air pressure box. The air pressure tank detects the air pressure through the internal push rod. When the air pressure is too high, the push rod moves upward and passes through the red dot sensor. The red dot sensor transmits the signal to the external buzzer and alarm light to warn of the internal air pressure and remind the surrounding staff to decompress.

[0019] 2. There are no workers in the working environment, but the air pressure in the air pressure box continues to rise. The push plate is still moving upward. When it reaches the top, it pushes the connecting port upward. The movement of the connecting port drives the piston plate. The piston plate moves upward to open the air outlet, and the internal gas is discharged to the outside, reducing the pressure to avoid equipment explosion and damage. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall main view structure of the utility model;

[0021] Figure 2 It is one of the schematic diagrams of the overall side structure of the utility model;

[0022] Figure 3 This is the second schematic diagram of the overall side view structure of the utility model;

[0023] Figure 4 The utility model is a schematic diagram of the overall structure of the push plate.

[0024] Description of the drawings: 1. Vacuum furnace body; 2. Exhaust box; 3. Air pressure box; 4. Air pressure push rod; 5. Push plate; 6. Piston rod; 7. Air outlet; 8. Air pressure groove; 9. Sliding groove; 10. Red dot sensor; 11. Regulator; 12. Buzzer; 13. Connecting port; 14. Piston plate; 15. Exhaust port; 16. Stabilizing plate; 17. Support plate; 18. Alarm light. DETAILED DESCRIPTION

[0025] The technical solution in the embodiment of the present application is to solve the problems of the above-mentioned background technology, and the overall idea is as follows:

[0026] Embodiment 1:

[0027] This embodiment introduces a specific structure of a vacuum furnace with an alarm function. Figure 1-Figure 4 As shown, it includes an exhaust box 2, which is arranged at the upper end of the vacuum furnace body 1;

[0028] Among them, an exhaust box 2 is arranged at the upper end of the vacuum furnace body 1, a pressure box 3 is fixedly installed inside the exhaust box 2, a pressure groove 8 is opened at the middle end of the pressure box 3, a pressure push rod 4 is fixedly installed inside the pressure groove 8, the outside of the pressure push rod 4 is slidably connected with the push plate 5, a piston rod 6 is connected and installed at the upper end of the pressure push rod 4, and the other end of the piston rod 6 is slidably matched with the air outlet 7 opened at the upper end of the pressure box 3:

[0029] When the air pressure generated inside the vacuum furnace body 1 is too high, the gas enters the air pressure groove 8 through the top air pressure box 3, increasing the air pressure inside the air pressure groove 8, thereby pushing the push plate 5 to move upward. The push plate 5 is slidably connected with the air pressure push rod 4 inside the air pressure groove 8, so that the push plate 5 moves along the direction of movement of the air pressure push rod 4. When the push plate 5 moves under the influence of the air pressure, when it reaches the dangerous area, it pushes the piston rod 6 upward to open the air outlet 7 at the other end, and the air pressure enters the exhaust box 2 through the air outlet 7 at the upper end of the air pressure box 3;

[0030] Secondly, when the push plate 5 moves upward by air pressure, the sliding groove 9 inside one end is slidably connected with the air pressure push rod 4, so that the push plate 5 moves more stably and the limit is ensured;

[0031] At the same time, when the push plate 5 moves upward, the red dot sensor 10 on one side of the air pressure tank 8 senses the position of the push plate 5 and sends a signal. The staff receives the signal to release the pressure. After the pressure release is completed, the red dot sensor 10 is restored to its original state through the regulator 11 at the other end of the red dot sensor 10.

[0032] Furthermore, when the red dot sensor 10 senses the push plate 5, the buzzer 12 on one side of the exhaust box 2 issues a warning, and the alarm light 18 on the other end of the buzzer 12 starts flashing, to remind the staff on site to decompress;

[0033] Furthermore, the connection port 13 at one end of the piston rod 6 is connected and installed with the upper end of the air pressure push rod 4. When the air pressure is too high, the push plate 5 moves upward to the top, pushing the piston rod 6 to move upward;

[0034] At the same time, when the piston rod 6 moves upward, it pushes the piston plate 14 fixedly installed at the other end to move, and through sliding cooperation with the air outlet 7 opened at the upper end of the air pressure box 3, the piston plate 14 moves upward to open the air outlet 7, and the gas is discharged outward through the air outlet 7, protecting the vacuum furnace body 1 from explosion due to excessive air pressure.

[0035] Furthermore, when the gas is discharged to the outside through the gas outlet 7, the gas is discharged to the upper exhaust port 15, and the excess gas is discharged to avoid loss.

[0036] By adopting the above technical solution:

[0037] The air pressure inside the vacuum furnace body 1 of the above design increases, and the gas enters the air pressure tank 8 through the top air pressure box 3, and the air pressure inside is monitored at all times. When the air pressure increases, the air pressure pushes the push plate 5 to move upward, reaches the top and pushes the connecting port 13 upward, and the piston rod 6 at the upper end of the connecting port 13 moves upward, driving the piston plate 14 at the other end. The piston plate 14 moves upward to open the air outlet 7, and the gas is discharged outward through the air outlet 7, thereby protecting the vacuum furnace body 1 from explosion due to excessive air pressure.

[0038] During this process, when the air pressure increases, the push plate 5 passes through the red dot sensor 10 on one side of the air pressure groove 8. The red dot sensor 10 transmits a signal of increased air pressure. The signal is sent out through the buzzer 12 outside the exhaust box 2 as a warning, and the alarm light 18 at one end of the buzzer 12 starts to light up to remind the surrounding staff. If there are no staff around, the gas continues to increase, and the push plate 5 moves upward all the way to the top to push the piston rod 6 for automatic decompression.

[0039] Embodiment 2:

[0040] Based on Example 1, this example introduces the specific structure of the exhaust box 2. A stabilizing plate 16 is provided at the lower end of the vacuum furnace body 1, and support plates 17 are fixedly installed at the four corners of the lower end of the stabilizing plate 16.

[0041] The stabilizing plate 16 at the lower end of the vacuum furnace body 1 is placed on a flat ground as a whole, and the supporting plates 17 at the four corners of the lower end of the stabilizing plate 16 are used to support the vacuum furnace body 1, thereby ensuring greater stability during operation.

[0042] The user's operation steps are:

[0043] S1, the air pressure increases and the push plate moves upward and enters the air pressure groove 8 inside the upper air pressure box 3. When the air pressure increases, the push plate 5 inside the air pressure groove 8 moves upward;

[0044] S2, when the push plate 5 moves upward, it passes through the red dot sensor 10, and the red dot sensor 10 sends a signal that the push plate 5 moves upward, and the signal is transmitted to the external buzzer 12, the buzzer 12 makes a noise, and the alarm light 18 at the other end lights up, reminding the staff that decompression is required;

[0045] S3. When there are no staff on site, the push plate 5 continues to move upward due to the increase of air pressure. When the push plate 5 reaches the top of the air pressure push rod 4, the piston rod 6 is pushed out, and the air outlet 7 is opened to discharge the gas inside the air pressure groove 8 to the outside, and the exhausted gas is discharged through the exhaust port 15 opened at the upper end of the exhaust box 2.

[0046] By adopting the above technical solution:

[0047] The above-mentioned design is that an exhaust box 2 is fixedly installed on the upper end of the vacuum furnace body 1, and an air pressure groove 8 is opened inside the air pressure box 3 fixedly installed inside the exhaust box 2. When the air pressure inside the vacuum furnace body 1 increases, it enters into the air pressure groove 8. After the air pressure inside the air pressure groove 8 increases, the push plate 5 moves upward. During the movement, it passes through the red dot sensor 10. The red dot sensor 10 sends a signal to remind the staff to decompress. When the pressure is not decompressed, the internal pressure continues to increase, and the push plate 5 continues to move upward. When it moves to the top, the piston rod 6 is pushed out. The piston rod 6 moves upward to open the air outlet 7 at the upper end of the air pressure box 3, and the gas inside the air pressure groove 8 is discharged to the outside through the air outlet 7, thereby ensuring that the vacuum furnace body 1 will not be damaged due to excessive air pressure.

[0048] Finally, it should be noted that: Obviously, the above embodiments are only examples for clearly explaining the present invention, and are not intended to limit the implementation methods. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from this are still within the scope of protection of the present invention.

Claims

1. A vacuum furnace with an alarm function, characterized in that: include: A vacuum furnace body (1) for vacuum processing; An exhaust box (2) is arranged at the upper end of the vacuum furnace body (1); In which, an exhaust box (2) is arranged at the upper end of the vacuum furnace body (1), a pressure box (3) is fixedly installed inside the exhaust box (2), a pressure groove (8) is opened at the middle end of the pressure box (3), a pressure push rod (4) is fixedly installed inside the pressure groove (8), the outside of the pressure push rod (4) is slidably connected to the push plate (5), the upper end of the pressure push rod (4) is connected to a piston rod (6), and the other end of the piston rod (6) is slidably matched with an air outlet (7) opened at the upper end of the pressure box (3).

2. A vacuum furnace with an alarm function as claimed in claim 1, characterized in that: A sliding groove (9) is provided inside one end of the push plate (5), and the sliding groove (9) is slidably connected to the pneumatic push rod (4).

3. A vacuum furnace with an alarm function as claimed in claim 1, characterized in that: A red dot sensor (10) is fixedly mounted on one side of the air pressure tank (8), and a regulator (11) is arranged on the other end of the sensor (10).

4. A vacuum furnace with an alarm function as claimed in claim 1, characterized in that: A buzzer (12) is fixedly mounted on one side of the exterior of the exhaust box (2), and an alarm light (18) is arranged at one end of the buzzer (12).

5. A vacuum furnace with an alarm function as claimed in claim 1, characterized in that: A connecting port (13) is provided at one end of the piston rod (6), and a pneumatic push rod (4) is connected and installed inside the connecting port (13).

6. A vacuum furnace with an alarm function as claimed in claim 5, characterized in that: A piston plate (14) is fixedly mounted on the other end of the piston rod (6), and the piston plate (14) is slidably matched with an air outlet (7) opened at the upper end of the air pressure box (3).

7. A vacuum furnace with an alarm function as claimed in claim 1, characterized in that: An exhaust port (15) is provided in the middle of the upper end of the exhaust box (2), and a piston plate (14) is provided at the lower end of the exhaust port (15).

8. The vacuum furnace with alarm function as claimed in claim 1, characterized in that: A stabilizing plate (16) is provided at the lower end of the vacuum furnace body (1), and supporting plates (17) are fixedly installed at the four corners of the lower end of the stabilizing plate (16).

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