Heat treatment furnace with protective structure

Abstract

The utility model relates to the technical field of heat treatment furnaces, and discloses a heat treatment furnace with a protective structure, which comprises a furnace body, the protective structure is arranged on the furnace body, a control panel is connected to a furnace door, a moving structure is arranged in the furnace body, a cooling fan is connected to the furnace body, and supporting legs are connected to the lower part of the furnace body. And by arranging the furnace door, potential safety hazards caused by the influence of high temperature in the furnace on operators during operation are avoided. And through the arranged display screen, the environment in the furnace is observed, and if an emergency situation occurs, an emergency stop button can be pressed down to carry out emergency stop operation on the equipment. And through the arranged support handle, the support handle is pulled to drive the bearing plate to slide on the fixed block, so that the bearing plate moves to the outer part of the furnace body, and the workpiece can be conveniently taken and placed. And through the arrangement of the guardrails, the workpiece subjected to heat treatment is subjected to anti-falling protection, and the heat dissipation effect of the heat dissipation fan can be better.

Description

Technical Field

[0001] The utility model relates to the technical field of heat treatment furnaces, in particular to a heat treatment furnace with a protective structure. Background Art

[0002] Heat treatment furnace refers to an electric furnace or fuel furnace used for heat treatment of furnace charge. Commonly used heat treatment furnaces include box-type resistance furnaces, pit-type resistance furnaces, gas carburizing furnaces and salt bath furnaces. Continuous furnaces are usually used, and workpieces are continuously loaded from the charging door, passed through the furnace, and continuously unloaded from the discharge door. The commonly used method of conveying in the furnace is to place the workpiece on a heat-resistant steel guide rail and transfer it with a step-by-step moving beam or push rod.

[0003] After searching, a Chinese patent with announcement number CN208071741U discloses a heat treatment furnace, including a bracket, a furnace body is arranged on the bracket, the cross-section of the furnace body is circular, the furnace body is provided with a furnace door, the furnace door is provided with an observation window, the furnace body is also provided with a cantilever, a control box is provided at the end of the cantilever, and a fan device is provided on the furnace body, the fan device includes a tubular upward base arranged at the upper end of the furnace body, a motor is arranged on the base, the output shaft of the motor is connected to a downward rotating shaft, the rotating shaft extends downward through the base to the furnace chamber of the furnace body and is connected with fan blades, and a cooling device for cooling the rotating shaft is provided in the base, which can make the heat-treated objects heated evenly, with high energy utilization rate and efficiency.

[0004] However, in the prior art, since the heat treatment furnace generates high temperature during operation, the temperature outside the furnace also increases, which may cause hidden dangers to the safety of operators. To this end, in response to the above problems, we provide a heat treatment furnace with a protective structure to solve the problems raised in the background technology. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies in the prior art, the utility model provides a heat treatment furnace with a protective structure.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a heat treatment furnace with a protective structure, comprising a furnace body, a protective structure arranged on the furnace body, a hinge connected to the furnace body, a furnace door hinged to the furnace body, a door handle connected to the furnace door, and two thermometers connected to the furnace door. The furnace door is provided with a high-temperature resistant metal material to prevent operators from being affected by the high temperature in the furnace during operation and causing safety hazards. Two thermometers are provided, one to detect the temperature outside the furnace and the other to detect the temperature inside the furnace.

[0009] Preferably, the furnace door is connected with a control panel, the control panel includes a display screen and an emergency stop button, the control panel is also provided with an opening button and a closing button, and the furnace body is connected with a warning flashing light. Through the display screen, the environment in the furnace can be observed. In case of emergency, the emergency stop button can be pressed to perform an emergency stop operation on the equipment to avoid a greater accident. Through the opening button and the closing button, the heat treatment work in the furnace can be turned on or off. Through the warning flashing light, the working state of the furnace body can be monitored. When the warning flashing light goes out, the work in the furnace stops. When the warning flashing light is on, the furnace door is open or the furnace is in working state. When the warning flashing light is on and flashes, it indicates that a dangerous state has occurred and the equipment should be stopped immediately.

[0010] Preferably, a movable structure is provided inside the furnace body, and the movable structure includes a fixed column, the fixed column is connected to the bottom of the furnace body, the fixed column is connected to a fixed plate, the fixed plate is connected to a guide rail, a slider is slidably connected to the guide rail, a connecting bracket is connected to the slider, and a bracket handle is connected to the connecting bracket. Through the provided bracket handle, the heat treatment work in the furnace is completed, and after the heat is dissipated to the normal outdoor temperature, the bracket handle is pulled to drive the connecting bracket to move, drive the slider to slide on the guide rail, drive the load-bearing plate to slide on the fixed block, and make the load-bearing plate move to the outside of the furnace body, which is helpful for better collection and placement of workpieces.

[0011] Preferably, a fixed block is connected to one end of the guide rail, a load-bearing plate is connected to the slider and the fixed block, the load-bearing plate is fixedly connected to the slider, and the load-bearing plate is slidably connected to the fixed block. The load-bearing plate can be used to place the workpiece that needs to be heat treated.

[0012] Preferably, the load-bearing plate is connected with a guardrail, and the guardrail is provided with a plurality of air holes. The guardrail can be provided to prevent the workpiece undergoing heat treatment from falling, and the heat dissipation effect of the heat dissipation fan can be better.

[0013] Preferably, a heat dissipation fan is connected to the furnace body, and a support leg is connected to the bottom of the furnace body. The heat dissipation fan can dissipate the temperature in the furnace.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides a heat treatment furnace with a protective structure, which has the following beneficial effects:

[0016] 1. This heat treatment furnace with a protective structure can prevent operators from being affected by the high temperature in the furnace and causing safety hazards through the furnace door. The environment in the furnace can be observed through the display screen. In case of emergency, the emergency stop button can be pressed to stop the equipment to avoid greater accidents.

[0017] 2. The heat treatment furnace with a protective structure has a support handle, which is pulled to drive the load-bearing plate to slide on the fixed block, so that it moves to the outside of the furnace body, which is helpful for better receiving and placing the workpiece. The guardrail is provided to prevent the workpiece from falling and also to improve the heat dissipation effect of the heat dissipation fan. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 It is a schematic diagram of the structure of the utility model;

[0021] Figure 3 It is a schematic diagram of the structure of the utility model.

[0022] In the figure: 1. furnace body; 2. protective structure; 201. hinge; 202. furnace door; 203. door handle; 204. temperature gauge; 3. control panel; 301. display screen; 302. emergency stop button; 4. warning flashing light; 5. moving structure; 501. fixed column; 502. fixed plate; 503. guide rail; 504. slider; 505. connecting bracket; 506. bracket handle; 507. fixing block; 6. load-bearing plate; 7. guardrail; 8. cooling fan; 9. supporting leg. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] Example 1

[0025] like Figure 1-3 As shown, the utility model provides a heat treatment furnace with a protective structure, including a furnace body 1, a protective structure 2 is arranged on the furnace body 1, the protective structure 2 includes a hinge 201, the hinge 201 is connected to the furnace body 1, the furnace body 1 is hinged with a furnace door 202 through the hinge 201, the furnace door 202 is connected with a door handle 203, and the furnace door 202 is connected with two thermometers 204. The furnace door 202 is provided, and the material is made of high-temperature resistant metal material to prevent the operator from being affected by the high temperature in the furnace during operation, thereby preventing safety hazards. The two thermometers 204 are provided, one to detect the temperature outside the furnace, and the other to detect the temperature inside the furnace.

[0026] The furnace door 202 is connected with a control panel 3, which includes a display screen 301 and an emergency stop button 302. The control panel 3 is also provided with an opening button and a closing button. The furnace body 1 is connected with a warning flashing light 4. Through the display screen 301, the environment in the furnace can be observed. In case of emergency, the emergency stop button 302 can be pressed to perform an emergency stop operation on the equipment to avoid a greater accident. Through the opening button and the closing button, the heat treatment work in the furnace can be turned on or off. Through the warning flashing light 4, the working state of the furnace body 1 can be monitored. When the warning flashing light 4 goes out, the work in the furnace stops. When the warning flashing light 4 is on, the furnace door 202 is in an open state or the furnace is in a working state. When the warning flashing light 4 is on and flashes, it indicates that a dangerous state has occurred and the equipment should be stopped immediately.

[0027] In this embodiment, the furnace door 202 is provided to prevent the operator from being affected by the high temperature in the furnace during operation, thereby preventing potential safety hazards. The display screen 301 is provided to observe the environment in the furnace. In case of emergency, the emergency stop button 302 can be pressed to perform an emergency stop operation on the device to avoid a greater accident. The heat treatment work in the furnace can be turned on or off by the provided opening and closing buttons.

[0028] Example 2

[0029] like Figure 1-3As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, a mobile structure 5 is provided inside the furnace body 1, and the mobile structure 5 includes a fixed column 501, the fixed column 501 is connected to the bottom of the furnace body 1, the fixed column 501 is connected to a fixed plate 502, the fixed plate 502 is connected to a guide rail 503, the guide rail 503 is slidably connected to a slider 504, the slider 504 is connected to a connecting bracket 505, and the connecting bracket 505 is connected to a bracket handle 506. Through the provided bracket handle 506, the heat treatment work in the furnace is completed, and after the heat is dissipated to the normal outdoor temperature, the bracket handle 506 is pulled to drive the connecting bracket 505 to move, drive the slider 504 to slide on the guide rail 503, drive the bearing plate 6 to slide on the fixed block 507, and make the bearing plate 6 move to the outside of the furnace body 1, which is helpful to better receive and place the workpiece.

[0030] A fixed block 507 is connected to one end of the guide rail 503, a load-bearing plate 6 is connected to the slider 504 and the fixed block 507, the load-bearing plate 6 is fixedly connected to the slider 504, and the load-bearing plate 6 is slidably connected to the fixed block 507. The load-bearing plate 6 is provided so that the workpiece to be heat treated can be placed.

[0031] The load-bearing plate 6 is connected with a guardrail 7, and a plurality of air holes are provided on the guardrail 7. The guardrail 7 can be used to prevent the workpiece being heat-treated from falling, and the heat dissipation effect of the heat dissipation fan 8 can be better.

[0032] A heat dissipation fan 8 is connected to the furnace body 1, and a support leg 9 is connected to the bottom of the furnace body 1. The heat dissipation fan 8 is provided to dissipate the temperature in the furnace.

[0033] In this embodiment, by providing a support handle 506, the support handle 506 is pulled to drive the load-bearing plate 6 to slide on the fixed block 507, so that it moves to the outside of the furnace body 1, which helps to better receive and place the workpiece.

[0034] The working principle of the heat treatment furnace with a protective structure is described in detail below.

[0035] like Figure 1-3As shown, when in use, the heat treatment work in the furnace is turned on by the start button, so that the heat treatment work is carried out in the furnace body 1. The working state of the furnace body 1 is monitored by the warning flashing light 4. When the warning flashing light 4 goes out, the furnace stops working, the closing button is pressed, and the cooling fan 8 performs cooling work. When the indexes of the two temperature gauges 204 are consistent, indicating that the temperature inside the furnace is equal to the temperature outside the furnace, the door handle 203 is manually pulled to open the furnace door 202, and then the bracket handle 506 is pulled to drive the connecting bracket 505 to move, drive the slider 504 to slide on the guide rail 503, drive the load-bearing plate 6 to slide on the fixed block 507, and make the load-bearing plate 6 move to the outside of the furnace body 1, which is helpful for better collection and placement of workpieces; when the warning flashing light 4 is on, the furnace door 202 is in an open state or the furnace is in a working state. At this time, since the material of the furnace door 202 is made of high-temperature resistant metal material, the operator is prevented from being affected by the high temperature in the furnace during operation, which may cause safety hazards; when the warning flashing light 4 is on and flashing, it means that a dangerous state has occurred, and the emergency stop button 302 should be pressed immediately to stop the equipment from working to avoid accidents.

Claims

1. A heat treatment furnace with a protective structure, comprising a furnace body (1), characterized in that: The furnace body (1) is provided with a protective structure (2), the protective structure (2) comprising a hinge (201), the hinge (201) being connected to the furnace body (1), the furnace body (1) being hingedly connected to a furnace door (202) via the hinge (201), the furnace door (202) being connected to a door handle (203), and the furnace door (202) being connected to two temperature measuring gauges (204); The furnace door (202) is connected to a control panel (3), the control panel (3) comprising a display screen (301) and an emergency stop button (302), the control panel (3) is also provided with an on button and a off button, and the furnace body (1) is connected to a warning flashing light (4); A movable structure (5) is arranged inside the furnace body (1), and the movable structure (5) comprises a fixed column (501), the fixed column (501) is connected to the bottom of the furnace body (1), the fixed column (501) is connected to a fixed plate (502), the fixed plate (502) is connected to a guide rail (503), the guide rail (503) is slidably connected to a slider (504), the slider (504) is connected to a connecting bracket (505), and the connecting bracket (505) is connected to a bracket handle (506).

2. The heat treatment furnace with a protective structure according to claim 1, characterized in that: A fixed block (507) is connected to one end of the guide rail (503), a load-bearing plate (6) is connected to the slider (504) and the fixed block (507), the load-bearing plate (6) is fixedly connected to the slider (504), and the load-bearing plate (6) is slidably connected to the fixed block (507).

3. The heat treatment furnace with a protective structure according to claim 2, characterized in that: The load-bearing plate (6) is connected to a guardrail (7), and the guardrail (7) is provided with a plurality of ventilation holes.

4. The heat treatment furnace with a protective structure according to claim 1, characterized in that: A heat dissipation fan (8) is connected to the furnace body (1), and a support leg (9) is connected below the furnace body (1).

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