Anti-deformation vacuum furnace pipe structure

Abstract

The utility model relates to the technical field of vacuum furnace equipment, and discloses an anti-deformation vacuum furnace pipe structure which is applied to a vacuum furnace shell, an inner sleeve is arranged in the vacuum furnace shell, a vacuum furnace inner pipe is arranged in the inner sleeve, the outer portion of the vacuum furnace inner pipe is fixedly connected with a partition plate, and the partition plate is arranged in the vacuum furnace shell. A connecting rod is fixedly connected to the left portion of the left partition plate, the connecting rod is fixedly connected to the left side of the interior of the vacuum furnace shell, and a plurality of cooling electrode tubes are installed in the left partition plate. According to the utility model, by starting the electric push rod, the electric push rod drives the insertion block to be separated from the interior of the insertion groove, then the hydraulic cylinder is started through the controller, the hydraulic cylinder drives the pull rod to rotate, and the pull rod drives the connecting plate to move upwards, so that the furnace door is driven to move upwards, the vacuum furnace shell is opened, and a workpiece is placed on the bearing plate; the air cylinder drives the connecting block to slide in the support, so that the bearing plate is driven to move upwards, and the workpiece is conveniently pushed into the furnace body subsequently.

Description

Technical Field

[0001] The utility model relates to the technical field of vacuum furnace equipment, in particular to a vacuum furnace liner structure for preventing deformation. Background Technique

[0002] A vacuum furnace is a device for heating in a vacuum environment, and is connected to a high vacuum pump system by a pipeline in a furnace chamber sealed by a metal housing or a quartz glass cover. The heating system in the furnace can be directly heated by an electric resistance furnace wire, or can be heated by high-frequency induction.

[0003] However, when the existing device is working, the workpiece needs to be placed in the vacuum furnace for heat treatment. Due to the height, the operation has certain difficulties and safety risks. Moreover, the furnace door is mostly locked by manually turning the handwheel to tighten the furnace door and the flange of the vacuum furnace body with bolts. This method is usually time-consuming and laborious, and the side slip is likely to occur at the bolt tightening position, which poses a safety hazard. Therefore, a vacuum furnace liner structure for preventing deformation is provided to solve the problems raised in the above background technique. Content of the Utility Model

[0004] In order to make up for the above deficiencies, the utility model provides a vacuum furnace liner structure for preventing deformation, aiming to solve the problems that when the workpiece needs to be placed in the vacuum furnace for heat treatment in the prior art, due to the height, the operation has certain difficulties and safety risks, and the furnace door is mostly locked by manually turning the handwheel to tighten the furnace door and the flange of the vacuum furnace body with bolts, which is time-consuming and laborious, and the side slip is likely to occur at the bolt tightening position.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A vacuum furnace liner structure for preventing deformation is applied to a vacuum furnace housing. An inner sleeve is arranged inside the vacuum furnace housing, a vacuum furnace inner liner is arranged inside the inner sleeve, a partition board is fixedly connected to the outside of the vacuum furnace inner liner, a connecting rod is fixedly connected to the left part of the left partition board, the connecting rod is fixedly connected to the left side inside the vacuum furnace housing, a plurality of cooling electrode tubes are installed inside the left partition board, a water inlet pipe is fixedly communicated with the upper part of the vacuum furnace housing, a filter box is fixedly communicated with the right part of the water inlet pipe, a filter screen is arranged inside the filter box, a water inlet valve is fixedly installed on the outside of the water inlet pipe, a water outlet pipe is fixedly communicated with the lower part of the vacuum furnace housing, a water outlet valve is fixedly installed on the outside of the water outlet pipe, a temperature sensor is fixedly installed on the upper part of the vacuum furnace housing, and a feeding assembly is arranged on the right side of the vacuum furnace housing.

[0007] Furthermore, the feeding component includes a furnace door which is hinged to the right side of the vacuum furnace housing. A hydraulic cylinder is fixedly installed on the upper right side of the vacuum furnace housing. The telescopic end of the hydraulic cylinder is rotatably connected to a pull rod. The lower part of the pull rod is rotatably connected to a connecting plate. The lower part of the connecting plate is fixedly connected to the left side of the furnace door. A slot is formed in the lower part of the furnace door. A bracket is fixedly connected to the lower part of the vacuum furnace housing. An electric push rod is fixedly installed on the lower part of the vacuum furnace housing. The telescopic end of the electric push rod is fixedly connected to a plug. A cylinder is fixedly installed inside the front bracket. The telescopic end of the cylinder is fixedly connected to a connecting block. The front part of the connecting block is fixedly connected to a bearing plate.

[0008] Furthermore, an observation window is fixedly connected to the front part of the furnace door.

[0009] Furthermore, a thermometer is fixedly installed on the front lower part of the furnace door.

[0010] Furthermore, the plug is slidably connected inside the slot.

[0011] Furthermore, a controller is fixedly installed on the front part of the vacuum furnace housing.

[0012] Furthermore, the thermometer, temperature sensor, hydraulic cylinder, cylinder and electric push rod are electrically connected to the controller.

[0013] Furthermore, the bearing plate is slidably connected to the right side of the vacuum furnace housing.

[0014] The utility model has the following beneficial effects:

[0015] 1. In the utility model, through the cooperation among structures such as the vacuum furnace housing, filter box, filter screen, water inlet valve, partition board, cooling electrode tube and vacuum furnace inner liner, when heat dissipation of the vacuum furnace housing is required, water is introduced into the filter box through the connecting pipe, filtered by the filter screen inside the filter box to prevent impurities from affecting the heat absorption effect, then enters the vacuum furnace housing through the water inlet pipe by opening the water inlet valve, and the cooling electrode tube on the partition board is started for cooling to cool and dissipate heat of the vacuum furnace inner liner, preventing it from overheating and reducing the risk of deformation. By observing the temperature displayed on the thermometer and finally opening the water outlet valve to discharge water through the water outlet pipe, precise adjustment of the internal temperature of the vacuum furnace can be achieved, ensuring that the workpiece is heated within an appropriate temperature range or maintained at a stable temperature, improving the processing quality and product stability.

[0016] 2. In the utility model, through the cooperation between structures such as the electric push rod, the plug block, the slot, the hydraulic cylinder, the pull rod, the furnace door, the cylinder and the bearing plate, by starting the electric push rod, the electric push rod drives the plug block to be separated from the inside of the slot, and then the hydraulic cylinder is started by the controller, the hydraulic cylinder drives the pull rod to rotate, and the pull rod drives the connecting plate to move up, so that the furnace door is moved up, the vacuum furnace shell is opened, and the workpiece is placed on the bearing plate. By starting the cylinder, the cylinder drives the connecting block to slide inside the bracket, thereby driving the bearing plate to move upward, which is convenient for the subsequent pushing of the workpiece into the furnace body, reducing the need for manual operation and improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A three-dimensional diagram of an anti-deformation vacuum furnace structure proposed by the utility model;

[0018] Figure 2 This is a schematic diagram of the internal structure of an anti-deformation vacuum furnace structure proposed by the utility model;

[0019] Figure 3 A partial structural schematic diagram of an anti-deformation vacuum furnace structure proposed by the utility model;

[0020] Figure 4 This is a side view of an anti-deformation vacuum furnace structure proposed by the utility model;

[0021] Figure 5 The utility model provides a schematic diagram of the bottom structure of a vacuum furnace shell of an anti-deformation vacuum furnace structure.

[0022] Legend:

[0023] 1. Vacuum furnace shell; 2. Vacuum furnace liner; 3. Water inlet pipe; 4. Filter box; 5. Controller; 6. Water inlet valve; 7. Water outlet pipe; 8. Water outlet valve; 9. Partition; 10. Cooling electrode tube; 11. Temperature sensor; 12. Connecting rod; 13. Thermometer; 14. Inner sleeve; 15. Filter; 16. Furnace door; 17. Hydraulic cylinder; 18. Observation window; 19. Connecting block; 20. Cylinder; 21. Bracket; 22. Connecting plate; 23. Pull rod; 24. Electric push rod; 25. Insert block; 26. Loading plate; 27. Slot. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Reference Figure 1 、 Figure 2 and Figure 3 , an embodiment provided by the present utility model is as follows:

[0026] A vacuum furnace liner structure that prevents deformation, which is applied to the vacuum furnace housing 1. An inner sleeve 14 is arranged inside the vacuum furnace housing 1, and a vacuum furnace inner liner 2 is arranged inside the inner sleeve 14. A partition 9 is fixedly connected to the outside of the vacuum furnace inner liner 2. A connecting rod 12 is fixedly connected to the left part of the left partition 9, and the connecting rod 12 is fixedly connected to the left side inside the vacuum furnace housing 1. A plurality of cooling electrode tubes 10 are installed inside the left partition 9. A water inlet pipe 3 is fixedly communicated with the upper part of the vacuum furnace housing 1. A filter box 4 is fixedly communicated with the right part of the water inlet pipe 3. A filter screen 15 is arranged inside the filter box 4. A water inlet valve 6 is fixedly installed on the outside of the water inlet pipe 3. A water outlet pipe 7 is fixedly communicated with the lower part of the vacuum furnace housing 1. A water outlet valve 8 is fixedly installed on the outside of the water outlet pipe 7. A temperature sensor 11 is fixedly installed on the upper part of the vacuum furnace housing 1. A feeding assembly is arranged on the right side of the vacuum furnace housing 1;

[0027] The temperature of the vacuum furnace housing 1 is sensed by the temperature sensor 11. When heat dissipation of the vacuum furnace housing 1 is required, water is introduced into the filter box 4 through a connecting pipe, and filtered by the filter screen 15 inside the filter box 4 to prevent impurities from affecting the heat absorption effect. By opening the water inlet valve 6, water enters the vacuum furnace housing 1 through the water inlet pipe 3. Cooling is performed by starting the cooling electrode tubes 10 on the partition 9 to cool the vacuum furnace inner liner 2, prevent it from overheating and reduce the risk of deformation. By observing the temperature displayed on the thermometer 13, and finally the water is discharged through the water outlet pipe 7 by opening the water outlet valve 8.

[0028] Reference Figure 1 、 Figure 2 and Figure 4 , the feeding assembly includes a furnace door 16, the furnace door 16 is hinged to the right side of the vacuum furnace housing 1. A hydraulic cylinder 17 is fixedly installed on the upper right side of the vacuum furnace housing 1. The telescopic end of the hydraulic cylinder 17 is rotatably connected to a pull rod 23. The lower part of the pull rod 23 is rotatably connected to a connecting plate 22. The lower part of the connecting plate 22 is fixedly connected to the left side of the furnace door 16. A slot 27 is opened at the lower part of the furnace door 16. A bracket 21 is fixedly connected to the lower part of the vacuum furnace housing 1. An electric push rod 24 is fixedly installed at the lower part of the vacuum furnace housing 1. The telescopic end of the electric push rod 24 is fixedly connected to a plug 25. A cylinder 20 is fixedly installed inside the front bracket 21. The telescopic end of the cylinder 20 is fixedly connected to a connecting block 19. A bearing plate 26 is fixedly connected to the front part of the connecting block 19;

[0029] By starting the electric push rod 24, the electric push rod 24 drives the insertion block 25 to disengage from the inside of the slot 27. Then, the hydraulic cylinder 17 is started through the controller 5. The hydraulic cylinder 17 drives the pull rod 23 to rotate, and the pull rod 23 drives the connecting plate 22 to move upward, so as to drive the furnace door 16 to move upward, opening the vacuum furnace housing 1. Place the workpiece on the bearing plate 26. By starting the air cylinder 20, the air cylinder 20 drives the connecting block 19 to slide inside the bracket 21, thereby driving the bearing plate 26 to move upward, facilitating the subsequent pushing of the workpiece into the furnace body.

[0030] Refer to Figure 1 、 Figure 4 and Figure 5 As shown in, a viewing window 18 is fixedly connected to the front part of the furnace door 16. A thermometer 13 is fixedly installed on the lower part of the front of the furnace door 16. The insertion block 25 is slidably connected inside the slot 27. The thermometer 13, temperature sensor 11, hydraulic cylinder 17, air cylinder 20 and electric push rod 24 are electrically connected to the controller 5. The bearing plate 26 is slidably connected to the right side of the vacuum furnace housing 1;

[0031] By setting the viewing window 18, the internal workpiece situation can be observed. By setting the thermometer 13, the temperature inside the furnace can be displayed. By the insertion block 25 sliding inside the slot 27, the fixation of the furnace door 16 can be released. By the electrical connection of the thermometer 13, temperature sensor 11, hydraulic cylinder 17, air cylinder 20 and electric push rod 24 to the controller 5, the start of the hydraulic cylinder 17, air cylinder 20 and electric push rod 24 can be controlled, and the temperature inside the furnace can be monitored by observing the thermometer 13 and temperature sensor 11. By the bearing plate 26 sliding on the right side of the vacuum furnace housing 1, it is convenient to push the workpiece into the furnace body subsequently.

[0032] Working principle: When using this device, by starting the electric push rod 24, the electric push rod 24 drives the insertion block 25 to disengage from the inside of the slot 27. Then, the hydraulic cylinder 17 is started through the controller 5. The hydraulic cylinder 17 drives the pull rod 23 to rotate, and the pull rod 23 drives the connecting plate 22 to move upward, so as to drive the furnace door 16 to move upward, opening the vacuum furnace housing 1. Place the workpiece on the bearing plate 26. By starting the air cylinder 20, the air cylinder 20 drives the connecting block 19 to slide inside the bracket 21, thereby driving the bearing plate 26 to move upward, facilitating the subsequent pushing of the workpiece into the furnace body. The temperature sensor 11 senses the temperature of the vacuum furnace housing 1. When heat dissipation of the vacuum furnace housing 1 is required, water is introduced into the filter box 4 through the connecting pipe. Filtration is carried out through the filter net 15 inside the filter box 4 to prevent impurities from affecting the heat absorption effect. By opening the water inlet valve 6, water enters the vacuum furnace housing 1 through the water inlet pipe 3. Cooling is carried out by starting the cooling electrode tube 10 on the partition plate 9 to cool the inner liner 2 of the vacuum furnace and prevent deformation of the vacuum furnace liner. The temperature is displayed by observing the thermometer 13. Finally, the water is discharged through the water outlet pipe 7 by opening the water outlet valve 8.

[0033] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A vacuum furnace liner structure for preventing deformation, applied to a vacuum furnace shell (1), characterized in that: The vacuum furnace shell (1) is provided with an inner sleeve (14), the inner sleeve (14) is provided with a vacuum furnace liner (2), the outer portion of the vacuum furnace liner (2) is fixedly connected with a partition (9), the left portion of the left partition (9) is fixedly connected with a connecting rod (12), the connecting rod (12) is fixedly connected to the left side of the interior of the vacuum furnace shell (1), a plurality of cooling electrode tubes (10) are installed inside the left partition (9), and the upper portion of the vacuum furnace shell (1) is fixedly connected with an inlet. A water pipe (3), the right part of the water inlet pipe (3) is fixedly connected to a filter box (4), a filter screen (15) is arranged inside the filter box (4), a water inlet valve (6) is fixedly installed outside the water inlet pipe (3), a water outlet pipe (7) is fixedly connected to the lower part of the vacuum furnace shell (1), a water outlet valve (8) is fixedly installed outside the water outlet pipe (7), a temperature sensor (11) is fixedly installed on the upper part of the vacuum furnace shell (1), and a feeding assembly is arranged on the right side of the vacuum furnace shell (1).

2. The anti-deformation vacuum furnace structure according to claim 1, characterized in that: The loading assembly comprises a furnace door (16), the furnace door (16) is hinged on the right side of the vacuum furnace shell (1), a hydraulic cylinder (17) is fixedly installed on the upper right side of the vacuum furnace shell (1), the telescopic end of the hydraulic cylinder (17) is rotatably connected to a pull rod (23), the lower part of the pull rod (23) is rotatably connected to a connecting plate (22), the lower part of the connecting plate (22) is fixedly connected to the left side of the furnace door (16), and the lower part of the furnace door (16) is provided with a slot ( 27), a bracket (21) is fixedly connected to the lower part of the vacuum furnace shell (1), an electric push rod (24) is fixedly installed on the lower part of the vacuum furnace shell (1), the telescopic end of the electric push rod (24) is fixedly connected to an insert block (25), a cylinder (20) is fixedly installed inside the front bracket (21), the telescopic end of the cylinder (20) is fixedly connected to a connecting block (19), and the front part of the connecting block (19) is fixedly connected to a bearing plate (26).

3. The anti-deformation vacuum furnace structure according to claim 2, characterized in that: An observation window (18) is fixedly connected to the front of the furnace door (16).

4. The anti-deformation vacuum furnace structure according to claim 2, characterized in that: A temperature gauge (13) is fixedly mounted on the front portion of the furnace door (16).

5. The anti-deformation vacuum furnace structure according to claim 2, characterized in that: The insert block (25) is slidably connected inside the slot (27).

6. The anti-deformation vacuum furnace structure according to claim 1, characterized in that: A controller (5) is fixedly mounted on the front of the vacuum furnace shell (1).

7. The anti-deformation vacuum furnace structure according to claim 4, characterized in that: The temperature meter (13), the temperature sensor (11), the hydraulic cylinder (17), the air cylinder (20) and the electric push rod (24) are electrically connected to the controller (5).

8. The anti-deformation vacuum furnace structure according to claim 2, characterized in that: The bearing plate (26) is slidably connected to the right side of the vacuum furnace shell (1).

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