Auxiliary heating device of tempering furnace

Abstract

The utility model relates to an auxiliary heating device of a tempering furnace. The device comprises a tempering furnace, an auxiliary heating box main body, a gas inlet pipe arranged on one side of the auxiliary heating box main body and communicated with the tempering furnace, a rectangular groove formed in the top surface of the auxiliary heating box main body, a mounting plate arranged in the groove, a heating assembly arranged on the mounting plate, and a quick fixing assembly arranged on the top surface of the auxiliary heating box main body and located around the heating assembly, the extension block is arranged on one side of the auxiliary heating box body and provided with a cavity, the bottom of the extension block is communicated with the interior of the auxiliary heating box body, the water volume detection assembly is arranged on the extension block, the detection end of the water volume detection assembly extends into the extension block and used for detecting the water volume and has an alarm function, and the water injection opening is formed in the top face of the auxiliary heating box body. According to the auxiliary heating box, the heating assembly can be rapidly disassembled and assembled through the rapid connecting assembly, maintenance of the heating assembly is facilitated, the water volume in the auxiliary heating box body can be effectively detected through the water volume detection assembly, the alarm function is triggered once the water volume is too low, and the situation that the heating assembly heats without water is avoided.

Description

Technical Field

[0001] The utility model relates to the field of auxiliary heating of a tempering furnace, in particular to an auxiliary heating device of a tempering furnace. Background Art

[0002] Heating is one of the main processes of metal heat treatment. Choosing a reasonable heating method can ensure and improve the quality of metal heat treatment. Generally, tempering furnaces are used for processing. The so-called tempering furnace is used for tempering general metal parts in air and quenching, annealing, and aging heat treatment of light alloy parts such as aluminum alloy die castings, pistons, and aluminum plates. The outer shell is welded by steel plates and steel sections, and the trolley is welded by steel sections and steel plates. The trolley reduces heat radiation and convection losses through soft contact with the furnace lining and sand sealing mechanism, effectively ensuring the sealing of the furnace body.

[0003] At present, for the sake of environmental protection, the auxiliary heating of the tempering furnace on the market generally uses a heating wire to heat water, turning the water into water vapor, and then passing the water vapor into the interior of the furnace body, thereby preheating the interior of the furnace body. However, the water level cannot be detected and the auxiliary heating device is installed on the furnace body, which is inconvenient to disassemble and maintain by the staff. For example, the prior art 202120226874.4 discloses an auxiliary heating device for a tempering furnace. Utility Model Content

[0004] The utility model aims to provide an auxiliary heating device for a tempering furnace in order to overcome the deficiencies of the prior art.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: an auxiliary heating device for a tempering furnace, comprising a tempering furnace, an auxiliary heating box body, an air inlet pipe arranged on one side of the auxiliary heating box body and connected to the tempering furnace, a rectangular groove arranged on the top surface of the auxiliary heating box body, a mounting plate arranged in the groove, a heating component arranged in the middle of a surface where the mounting plate and the bottom surface of the groove are fitted and the heating end extends to the inside of the auxiliary heating box body, a quick fixing component arranged on the top surface of the auxiliary heating box body and located around the heating component for quickly fixing the mounting plate to the auxiliary heating box body, an extension block with a cavity arranged on one side of the auxiliary heating box body and the bottom connected to the inside of the auxiliary heating box body, a water volume detection component with an alarm function arranged on the extension block and the detection end extending to the inside of the extension block for detecting the water volume, and a water injection port arranged on the top surface of the auxiliary heating box body.

[0006] Preferably, the quick fixing assembly includes several fixing plates rotatably arranged on the top surface of the auxiliary heating box body and located on both sides of the groove length direction and one end of which is used to resist the mounting plate, two sliding grooves respectively arranged on the top surface of the auxiliary heating box body on one side of the groove length direction and respectively located below the other end of the several fixing plates, two driving plates respectively slidably arranged in the two sliding grooves and respectively rotatably connected to the bottom of one end of the several fixing plates away from the groove, a connecting plate whose two ends are respectively connected to the top surface of the same end of the two driving plates and located on one side in the groove width direction, a slot arranged on the top surface of the auxiliary heating box body between the groove and the connecting plate, a pin rod vertically arranged in the middle of the connecting plate and one end passing through the connecting plate for inserting into the slot, a limiting plate horizontally arranged on the pin rod and located below the connecting plate for limiting the mounting plate, and a spring sleeved on the pin rod and located between the limiting plate and the connecting plate for making the pin rod more stably inserted into the water inlet.

[0007] Preferably, a clamping rubber for increasing the clamping force is provided on a surface of one end of the plurality of fixing plates that is used to fix the mounting plate and faces the mounting plate.

[0008] Preferably, the water level detection component includes a detection rod arranged on the top of the extension block and with one end inserted into the inner cavity of the extension block in a cross shape, a photoelectric sensor arranged on one side of the top of the extension block, a detection piece arranged on one side of the top surface of the detection rod for photoelectric sensor sensing, a floating plate arranged at one end of the detection rod located in the extension block, and a buzzer arranged on the top of the extension block and electrically connected to the photoelectric sensor.

[0009] Preferably, the heating assembly includes a circular holder arranged in the middle of one side of the mounting plate facing the bottom of the groove, a heating wire vertically arranged in the middle of the holder, an opening arranged in the middle of the bottom of the groove for the holder to be inserted into, a sealing groove annularly arranged around the opening for sealing, and a sealing block annularly arranged around the holder for inserting into the sealing groove.

[0010] Preferably, the extension block is provided with a detection port for observing the water level.

[0011] Due to the application of the above technical solution, the utility model has the following advantages compared with the prior art:

[0012] The utility model can quickly disassemble and assemble the heating component through the quick connection component, which is convenient for maintenance of the heating component. The water level in the auxiliary heating box body can be effectively detected through the water level detection component. Once the water level is too low, the alarm function is triggered to avoid the heating component from heating without water. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The technical solution of the utility model is further described below in conjunction with the accompanying drawings:

[0014] Attached Figure 1 It is a schematic diagram of the overall structure of the auxiliary heating device of the tempering furnace described in the utility model;

[0015] Attached Figure 2 The auxiliary heating device of the tempering furnace described in the utility model Figure 1 A local enlarged structural schematic diagram;

[0016] Attached Figure 3 It is a schematic diagram of the unlocking structure of the quick fixing assembly of the auxiliary heating device of the tempering furnace according to the utility model;

[0017] Attached Figure 4 The auxiliary heating device of the tempering furnace described in the utility model Figure 3 A schematic diagram of the local enlarged structure at B;

[0018] Attached Figure 5 It is a structural schematic diagram of a heating assembly of an auxiliary heating device of a tempering furnace according to the utility model;

[0019] Attached Figure 6 It is a schematic cross-sectional structure diagram of an extension block of an auxiliary heating device of a tempering furnace according to the utility model.

[0020] Among them: 1. tempering furnace; 2. auxiliary heating box body; 3. air inlet pipe; 4. groove; 5. mounting plate; 6. heating assembly; 61. holder; 62. heating wire; 63. opening; 64. sealing groove; 65. sealing block; 7. quick fixing assembly; 71. fixing plate; 72. slide groove; 73. driving plate; 74. connecting plate; 75. slot; 76. latch rod; 77. limit plate; 78. spring; 8. extension block; 9. water detection assembly; 91. cross-shaped detection rod; 92. photoelectric sensor; 93. detection sheet; 94. floating plate; 95. buzzer; 10. water inlet; 11. clamping rubber; 12. detection port. DETAILED DESCRIPTION

[0021] The utility model is further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0022] Attached Figure 1-6The auxiliary heating device of the tempering furnace described in the utility model comprises a tempering furnace 1, an auxiliary heating box body 2, an air inlet pipe 3 arranged on one side of the auxiliary heating box body 2 and connected to the tempering furnace 1, a rectangular groove 4 arranged on the top surface of the auxiliary heating box body 2, a mounting plate 5 arranged in the groove 4, a heating component 6 arranged in the middle of a surface where the mounting plate 5 and the bottom surface of the groove 4 are in contact and the heating end extends to the inside of the auxiliary heating box body 2, a quick fixing component 7 arranged on the top surface of the auxiliary heating box body 2 and located around the heating component 6 for quickly fixing the mounting plate 5 on the auxiliary heating box body 2, and an extension device 7 having a cavity arranged on one side of the auxiliary heating box body 2 and the bottom of which is connected to the inside of the auxiliary heating box body 2 Block 8, a water volume detection component 9 with an alarm function for detecting the water volume, which is arranged on the extension block 8 and the detection end extends to the inside of the extension block 8, and a water injection port 10 is arranged on the top surface of the auxiliary heating box body 2; the quick fixing component includes a plurality of fixing plates 71 rotatably arranged on the top surface of the auxiliary heating box body 2 and located on both sides of the length direction of the groove 4 and one end of which is used to resist the mounting plate 5, two slide grooves 72 respectively arranged on the top surface of the auxiliary heating box body 2 on one side of the length direction of the groove 4 and respectively located below the other end of the plurality of fixing plates 71, two driving plates 73 respectively slidably arranged in the two slide grooves 72 and respectively rotatably connected to the bottom of one end of the plurality of fixing plates 71 away from the groove 4, and two ends are respectively connected to the two The connecting plate 74 on the same end top surface of the root driving plate 73 and located on one side of the width direction of the groove 4, the slot 75 arranged on the top surface of the auxiliary heating box body 2 between the groove 4 and the connecting plate 74, the latch rod 76 vertically arranged in the middle of the connecting plate 74 and one end of which passes through the connecting plate 74 and is used to be inserted into the slot 75, the limit plate 77 horizontally arranged on the latch rod 76 and located below the connecting plate 74 for limiting the mounting plate 5, and the spring 78 sleeved on the latch rod 76 and located between the limit plate 77 and the connecting plate 74 for making the latch rod 76 more stably inserted into the water injection port 10; the water volume detection component 9 includes a detection component arranged on the top of the extension block 8 and one end of which is inserted into the inner cavity of the extension block 8 in a cross shape Rod 91, photoelectric sensor 92 arranged on one side of the top of the extension block 8, detection sheet 93 arranged on one side of the top surface of the detection rod for sensing by the photoelectric sensor 92, floating plate 94 arranged at one end of the detection rod located in the extension block 8, and buzzer 95 arranged on the top of the extension block 8 and electrically connected to the photoelectric sensor 92; the heating component 6 includes a circular holder 61 arranged in the middle of one side of the mounting plate 5 facing the bottom of the groove 4, a heating wire 62 vertically arranged in the middle of the holder 61, an opening 63 arranged in the middle of the bottom of the groove 4 for the holder 61 to be inserted, a sealing groove 64 arranged in an annular manner around the opening 63 for sealing, and a sealing block 65 arranged in an annular manner around the holder 61 for inserting into the sealing groove 64.

[0023] Furthermore, a clamping rubber 11 for increasing the clamping force is disposed on a surface of one end of the plurality of fixing plates 71 that is used to fix the mounting plate 5 and that faces the mounting plate 5, so that the mounting plate is more firmly secured to prevent loosening.

[0024] Furthermore, the extension block 8 is provided with a detection port 12 for observing the water level, which is convenient for observing the water level.

[0025] When in use: when preheating is required, first align the heating wire 62 on the mounting plate 5 with the opening 63 in the groove 4, then insert the mounting plate 5 into the groove 4, and then the heating wire 62 extends through the opening 63 into the auxiliary heating box body 2, and the holder 61 is inserted into the opening 63 at the opening 63, and the sealing block 65 is inserted into the sealing groove 64 to seal, and then the connecting plate 74 is pushed to move in the direction of the groove 4, and the driving plate 73 is randomly driven to slide forward in the slide groove 72. Since the driving plate 73 is rotationally connected to the fixing plate 71, and the fixing plate 71 is rotationally connected to the top surface of the auxiliary heating box body 2, the driving plate 73 also drives the fixing plate 71 to rotate when it moves. When the connecting plate 74 moves to the top of the slot 75, the latch rod 76 is pushed by the spring 78 and is immediately inserted into the slot 75, and then the limit plate 77 is fitted with the top surface of the auxiliary heating box body 2 and One end just extends to the top of the mounting plate 5 for limiting, and at the same time, the fixed end of the fixing plate 71 also rotates to the top of the mounting plate 5 to limit the mounting plate 5, and then water is injected into the auxiliary heating box body 2 through the water injection port 10, which is used to connect the extension block 8 with the inside of the auxiliary heating box body 2, so the water also enters the extension block 8, and then the float plate 94 floats up with the rise of the water level, and then drives the detection rod to rise, and then energizes the heating wire 62 to heat the water in the auxiliary heating box body 2 to form steam, and then the steam enters the tempering furnace 1 through the air inlet pipe 3 to assist in heating the tempering furnace 1. When the water level in the auxiliary heating box body 2 continues to evaporate and drop, the float plate 94 also drops, and then the detection rod also drops. When the detection piece 93 on the detection rod is inserted into the detection end of the photoelectric sensor 92, the buzzer 95 alarms to remind the workers to add water.

[0026] The above are only specific application examples of the utility model, and do not constitute any limitation on the protection scope of the utility model. Any technical solution formed by equivalent transformation or equivalent replacement falls within the protection scope of the utility model.

Claims

1. An auxiliary heating device for a tempering furnace, characterized in that: It includes a tempering furnace, an auxiliary heating box body, an air inlet pipe arranged on one side of the auxiliary heating box body and connected to the tempering furnace, a rectangular groove arranged on the top surface of the auxiliary heating box body, a mounting plate arranged in the groove, a heating component arranged in the middle of a surface where the mounting plate and the bottom surface of the groove are in contact and the heating end extends to the inside of the auxiliary heating box body, a quick fixing component arranged on the top surface of the auxiliary heating box body and located around the heating component for quickly fixing the mounting plate on the auxiliary heating box body, an extension block arranged on one side of the auxiliary heating box body with a cavity and the bottom connected to the inside of the auxiliary heating box body, a water volume detection component arranged on the extension block and with a detection end extending to the inside of the extension block for detecting water volume and having an alarm function, and a water injection port arranged on the top surface of the auxiliary heating box body.

2. The auxiliary heating device of the tempering furnace according to claim 1, characterized in that: The quick fixing assembly includes a plurality of fixing plates rotatably arranged on the top surface of the auxiliary heating box body and located on both sides of the groove length direction and one end of which is used to resist the mounting plate, two sliding grooves respectively arranged on the top surface of the auxiliary heating box body on one side of the groove length direction and respectively located below the other end of the plurality of fixing plates, two driving plates respectively slidably arranged in the two sliding grooves and respectively rotatably connected to the bottom of one end of the plurality of fixing plates away from the groove, a connecting plate whose two ends are respectively connected to the top surface of the same end of the two driving plates and located on one side in the groove width direction, a slot arranged on the top surface of the auxiliary heating box body between the groove and the connecting plate, a pin rod vertically arranged in the middle of the connecting plate and one end of which penetrates the connecting plate and is used to be inserted into the slot, a limiting plate horizontally arranged on the pin rod and located below the connecting plate for limiting the mounting plate, and a spring sleeved on the pin rod and located between the limiting plate and the connecting plate for making the pin rod more stably inserted into the water injection port.

3. The auxiliary heating device of the tempering furnace according to claim 2, characterized in that: A plurality of the fixing plates are provided with a clamping rubber on a surface facing the mounting plate at one end thereof for fixing the mounting plate to increase the clamping force.

4. The auxiliary heating device of the tempering furnace according to claim 1, characterized in that: The water volume detection assembly includes a detection rod arranged on the top of the extension block and with one end inserted into the inner cavity of the extension block in a cross shape, a photoelectric sensor arranged on one side of the top of the extension block, a detection sheet arranged on one side of the top surface of the detection rod for photoelectric sensor sensing, a floating plate arranged at one end of the detection rod located in the extension block, and a buzzer arranged on the top of the extension block and electrically connected to the photoelectric sensor.

5. The auxiliary heating device of the tempering furnace according to claim 1, characterized in that: The heating assembly includes a circular holder arranged in the middle of a side of the mounting plate facing the bottom of the groove, a heating wire vertically arranged in the middle of the holder, an opening arranged in the middle of the bottom of the groove for the holder to be inserted into, a sealing groove annularly arranged around the opening for sealing, and a sealing block annularly arranged around the holder for inserting into the sealing groove.

6. The auxiliary heating device of the tempering furnace according to claim 1, characterized in that: The extension block is provided with a detection port for observing the water level.

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