A preheating furnace device for galvanizing metal parts

Abstract

This utility model discloses a preheating furnace device for galvanizing metal parts, relating to the field of heating furnace technology. The utility model includes a heating furnace and a support base. The bottom of the heating furnace is fixedly connected to the top of the support base. A door hinge is fixedly connected to the side of the heating furnace, and a door panel is rotatably connected to the circumferential surface of the door hinge. A heating device is provided on the inner side of the heating furnace, and a wind power control device is provided on the side of the heating furnace. A smoke outlet pipe is connected through and fixedly to the side of the heating furnace. This utility model achieves automated air supply through the cooperation of components such as the mounting plate, dual-axis motor, and active bevel gear in the wind power control device. It can flexibly adjust the air supply volume according to the temperature requirements inside the heating furnace, ensuring the stability and controllability of the air supply. This solves the technical problem in related technologies where it is impossible to accurately adjust the air supply volume inside the heating furnace for efficient heating.

Description

Technical Field

[0001] This utility model belongs to the field of heating furnace technology, and in particular relates to a preheating furnace device for galvanizing metal parts. Background Technology

[0002] In the galvanizing process of metal parts, preheating is a crucial step that directly affects the quality and efficiency of the galvanized layer. Traditional preheating methods often suffer from uneven heating, high energy consumption, and complex operation.

[0003] According to a public disclosure (publication number: CN208896337U), a preheating furnace includes a furnace shell, a furnace frame at the bottom of the shell, and a furnace door at the front. The interior of the shell is divided into a furnace chamber and air ducts by a partition. The air ducts surround the top and sides of the furnace chamber, and the furnace chamber and air ducts are connected via the bottom of the partition. A circulating fan is installed in the air duct at the top of the furnace chamber, and electric heating elements are installed in the air ducts on both sides of the furnace chamber. An air outlet is located at the top of the furnace chamber and is connected to the air ducts. Several material trays slide within the furnace chamber, extending along the length of the furnace chamber. This preheating furnace allows for the separate loading of workpieces of different specifications, saving the sorting process after heating and achieving high efficiency. The preheating furnace also exhibits high thermal uniformity and produces high-quality heated workpieces.

[0004] In the above application, uniform heating of the furnace temperature is achieved by the cooperation of circulating fan and electric heating element. However, the device is still insufficient in terms of precise adjustment of air volume and cannot be flexibly adjusted according to the actual temperature requirements in the heating furnace. Therefore, we propose a preheating furnace device for galvanizing metal parts. Utility Model Content

[0005] The purpose of this utility model is to provide a preheating furnace device for galvanizing metal parts. Through the cooperation between the mounting plate, dual-shaft motor and active bevel gear in the wind power control device, the problem of the inability to accurately adjust the air volume in the heating furnace and achieve efficient heating is solved.

[0006] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0007] This utility model relates to a preheating furnace device for galvanizing metal parts, comprising a heating furnace and a support base. The bottom of the heating furnace is fixedly connected to the top of the support base. A door hinge is fixedly connected to the side of the heating furnace, and a door panel is rotatably connected to the circumferential surface of the door hinge. A heating device is provided on the inner side of the heating furnace, and a wind control device is provided on the side of the heating furnace. A smoke outlet pipe is fixedly connected through the side of the heating furnace.

[0008] The wind power control device includes a mounting plate, a dual-axis motor is fixedly connected to the top of the mounting plate, a driving bevel gear is fixedly connected to the output shaft of the dual-axis motor, a wind hood is fixedly connected through and to the side of the heating furnace, a connecting plate is fixedly connected to the inner wall of the wind hood, a rotating sleeve is fixedly connected to the side of the connecting plate, a rotating shaft is rotatably connected to the inner circumference of the rotating sleeve, a driven bevel gear is fixedly connected to one end of the rotating shaft, and a fan is fixedly connected to the end of the rotating shaft away from the driven bevel gear.

[0009] Furthermore, a filter plate is inserted into the side of the hood, and a diverter plate is fixedly connected to the inner wall of the hood. Its function is to filter the air entering the hood and prevent impurities in the air from entering the heating furnace.

[0010] Furthermore, the driving bevel gear and the driven bevel gear mesh with each other. The driving bevel gear has more teeth than the driven bevel gear. Its function is to increase the speed of the driving bevel gear when it is transmitted to the driven bevel gear by increasing the number of teeth of the driving bevel gear, thereby improving the air delivery efficiency of the fan.

[0011] Furthermore, the side cross-section of the fan shroud is set to L-shape. The fan shroud is located behind the heating device. Its function is to guide the heat generated by the heating device through the fan shroud, improve the heat utilization rate, prevent the internal air from directly damaging the transmission parts, and improve the safety of operation.

[0012] Furthermore, a blowing device is provided on the top of the heating furnace. The blowing device includes a transmission gear one, which is fixedly connected to the other output shaft of the dual-shaft motor. A rotating shaft is rotatably connected through the top of the heating furnace. A fan two is fixedly connected to one end of the rotating shaft, and a transmission gear two is fixedly connected to the other end of the rotating shaft away from the fan two. A ventilation opening is provided on the top of the heating furnace, and an air guide hood is fixedly connected to the top inner side of the heating furnace. Its function is to allow the fan two to rotate and blow air onto the metal parts inside the heating furnace, making the heating of the metal parts more uniform.

[0013] Furthermore, a high-temperature protective cover is fixedly connected to the top of the heating furnace, and the dual-axis motor is located inside the high-temperature protective cover. Its function is to protect the dual-axis motor, prevent high temperature from damaging the dual-axis motor, and improve the service life of the device.

[0014] Furthermore, the first transmission gear and the second transmission gear mesh with each other, and the number of ventilation openings is set to improve the practicality of the device and make the workpiece heated more evenly.

[0015] This utility model has the following beneficial effects:

[0016] This invention achieves automated air delivery through the coordinated operation of components such as the mounting plate, dual-axis motor, and driving bevel gear in the wind power control device. It allows for flexible adjustment of the airflow volume according to the temperature requirements within the heating furnace. The dual-axis motor drives the driving and driven bevel gears, resulting in efficient meshing, which not only improves the fan speed and airflow efficiency but also ensures the stability and controllability of the airflow. This design effectively solves the problems of cumbersome and inaccurate manual adjustment of airflow volume in traditional preheating furnace devices, improving the stability and efficiency of the galvanizing process.

[0017] This invention achieves uniform heating of metal parts within the heating furnace through the coordinated operation of components such as the transmission gear, rotating shaft, and fan in the blowing device. The rotation of fan two, combined with the design of the ventilation openings and air guide shrouds, ensures that air is evenly distributed to all corners of the heating furnace, guaranteeing uniform heating of the metal parts during preheating before galvanizing. This avoids galvanizing quality problems caused by localized overheating or underheating, thus improving the overall quality and efficiency of the galvanizing process.

[0018] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0019] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0021] Figure 2 This is a three-dimensional side view structural schematic diagram of the present invention;

[0022] Figure 3 This is a three-dimensional cross-sectional structural schematic diagram of the present invention;

[0023] Figure 4 This is a three-dimensional enlarged structural schematic diagram of the wind power control device of this utility model;

[0024] Figure 5 This is a three-dimensional enlarged structural schematic diagram of the blowing device of this utility model.

[0025] The attached diagram lists the components represented by each number as follows:

[0026] 1. Heating furnace; 2. Support base; 3. Door hinge; 4. Door panel; 5. Heating device; 6. Wind power control device; 7. Smoke outlet pipe; 601. Mounting plate; 602. Dual-shaft motor; 603. Driven bevel gear; 604. Fan hood; 605. Connecting plate; 606. Rotating sleeve; 607. Rotating shaft; 608. Driven bevel gear; 609. Fan 1; 8. Filter plate; 9. Diverter plate; 10. Material blowing device; 101. Transmission gear 1; 102. Rotating shaft; 103. Fan 2; 104. Transmission gear 2; 105. Ventilation outlet; 106. Air guide hood; 11. High temperature protective cover. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0028] Please see Figures 1-5 This utility model is a preheating furnace device for galvanizing metal parts, including a heating furnace 1 and a support base 2. The bottom of the heating furnace 1 is fixedly connected to the top of the support base 2. A door hinge 3 is fixedly connected to the side of the heating furnace 1. A door panel 4 is rotatably connected to the circumferential surface of the door hinge 3. A heating device 5 is provided on the inner side of the heating furnace 1. A wind power control device 6 is provided on the side of the heating furnace 1. A smoke outlet pipe 7 is fixedly connected through the side of the heating furnace 1.

[0029] The wind power control device 6 includes a mounting plate 601. A dual-axis motor 602 is fixedly connected to the top of the mounting plate 601. A drive bevel gear 603 is fixedly connected to the output shaft of the dual-axis motor 602. A wind hood 604 is fixedly connected through and to the side of the heating furnace 1. A connecting plate 605 is fixedly connected to the inner wall of the wind hood 604. A rotating sleeve 606 is fixedly connected to the side of the connecting plate 605. A rotating shaft 607 is rotatably connected to the inner circumference of the rotating sleeve 606. A driven bevel gear 608 is fixedly connected to one end of the rotating shaft 607. A fan 609 is fixedly connected to the end of the rotating shaft 607 away from the driven bevel gear 608.

[0030] As shown in the figure, a filter plate 8 is inserted into the side of the hood 604, and a diverter plate 9 is fixedly connected to the inner wall of the hood 604. Its function is to filter the air entering the hood 604 and prevent impurities in the air from entering the heating furnace 1.

[0031] As shown in the figure, the driving bevel gear 603 and the driven bevel gear 608 mesh with each other. The driving bevel gear 603 has more teeth than the driven bevel gear 608. Its function is to increase the number of teeth of the driving bevel gear 603 so that the speed of the driving bevel gear 603 can be increased when it is transmitted to the driven bevel gear 608, thereby improving the air delivery efficiency of the fan.

[0032] As shown in the figure, the side section of the fan shroud 604 is set to L-shape. The fan shroud 604 is located behind the heating device 5. Its function is to guide the heat generated by the heating device 5 through the fan shroud 604, improve the heat utilization rate, prevent the internal air from directly damaging the transmission parts, and improve the safety of operation.

[0033] As shown in the figure, a blowing device 10 is provided on the top of the heating furnace 1. The blowing device 10 includes a transmission gear 101, which is fixedly connected to the other output shaft of the dual-shaft motor 602. A rotating shaft 102 is rotatably connected through the top of the heating furnace 1. A fan 103 is fixedly connected to one end of the rotating shaft 102, and a transmission gear 104 is fixedly connected to the other end of the rotating shaft 102 away from the fan 103. A ventilation opening 105 is provided on the top of the heating furnace 1. An air guide shroud 106 is fixedly connected to the top of the inner side of the heating furnace 1. Its function is to allow the fan 103 to rotate and blow air onto the metal parts inside the heating furnace 1, so that the heating of the metal parts is more uniform.

[0034] As shown in the figure, a high-temperature protective cover 11 is fixedly connected to the top of the heating furnace 1. The dual-axis motor 602 is located inside the high-temperature protective cover 11. Its function is to protect the dual-axis motor 602, prevent high temperature from damaging the dual-axis motor 602, and improve the service life of the device.

[0035] As shown in the figure, transmission gear 101 and transmission gear 104 mesh with each other, and several ventilation openings 105 are provided, which improves the practicality of the device and makes the workpiece heated more evenly.

[0036] A specific application of this embodiment is as follows: When the worker places the workpiece into the heating furnace 1 and closes the door panel 4, the heating device 5 starts working to heat the workpiece inside the heating furnace 1. Simultaneously, the dual-axis motor 602 starts, with one output shaft driving the driving bevel gear 603 to rotate. The driving bevel gear 603 meshes with the driven bevel gear 608, thereby driving the rotating shaft 607 to rotate, which in turn drives the fan 609 to rotate. The airflow generated by the fan 609 is blown towards the heating device 5 through the fan shroud 604, accelerating heat transfer and improving heating efficiency. Meanwhile, air filtered by the filter plate 8 enters the fan shroud 604, preventing impurities in the air from affecting the heating device 5. On the other hand, the other output shaft of the dual-axis motor 602 drives the transmission gear 101 to rotate. The transmission gear 101 meshes with the transmission gear 104, thereby driving the rotating shaft 102 to rotate, which in turn drives the fan 103 to rotate. The airflow generated by the fan 103 is blown towards the workpiece inside the heating furnace 1 through the vent 105 and the air guide shroud 106, making the workpiece heated more evenly. The flue gas generated during the heating process is discharged through the flue pipe 7.

[0037] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0038] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A preheating furnace device for galvanizing metal pieces, comprising a heating furnace (1) and a support seat (2), characterized in that: The bottom of the heating furnace (1) is fixedly connected to the top of the support base (2). A door hinge (3) is fixedly connected to the side of the heating furnace (1). A door panel (4) is rotatably connected to the circumferential surface of the door hinge (3). A heating device (5) is provided on the inner side of the heating furnace (1). A wind control device (6) is provided on the side of the heating furnace (1). A smoke outlet pipe (7) is fixedly connected through the side of the heating furnace (1). The wind control device (6) includes a mounting plate (601), a dual-axis motor (602) is fixedly connected to the top of the mounting plate (601), a drive bevel gear (603) is fixedly connected to the output shaft of the dual-axis motor (602), a wind hood (604) is fixedly connected through the side of the heating furnace (1), a connecting plate (605) is fixedly connected to the inner wall of the wind hood (604), a rotating sleeve (606) is fixedly connected to the side of the connecting plate (605), a rotating shaft (607) is rotatably connected to the inner circumference of the rotating sleeve (606), a driven bevel gear (608) is fixedly connected to one end of the rotating shaft (607), and a fan (609) is fixedly connected to the end of the rotating shaft (607) away from the driven bevel gear (608).

2. The preheating furnace apparatus for galvanizing metal parts according to claim 1, characterized in that, A filter plate (8) is inserted into the side of the hood (604), and a diverter plate (9) is fixedly connected to the inner wall of the hood (604).

3. The preheating furnace apparatus for galvanizing metal parts according to claim 2, characterized in that, The driving bevel gear (603) meshes with the driven bevel gear (608), and the driving bevel gear (603) has more teeth than the driven bevel gear (608).

4. The preheating furnace apparatus for galvanizing metal parts according to claim 3, characterized in that, The side section of the hood (604) is L-shaped, and the hood (604) is located behind the heating device (5).

5. The preheating furnace apparatus for galvanizing metal parts according to claim 4, characterized in that, The top of the heating furnace (1) is provided with a blowing device (10), which includes a transmission gear (101). The transmission gear (101) is fixedly connected to the other output shaft of the dual-shaft motor (602). The top of the heating furnace (1) is rotatably connected to a rotating shaft (102). One end of the rotating shaft (102) is fixedly connected to a fan (103). The end of the rotating shaft (102) away from the fan (103) is fixedly connected to a transmission gear (104). The top of the heating furnace (1) is provided with a ventilation opening (105). The top of the inner side of the heating furnace (1) is fixedly connected to a wind guide hood (106).

6. The preheating furnace apparatus for galvanizing metal parts according to claim 5, characterized in that, The top of the heating furnace (1) is fixedly connected to a high-temperature protective cover (11), and the dual-axis motor (602) is located inside the high-temperature protective cover (11).

7. The preheating furnace apparatus for galvanizing metal parts according to claim 6, characterized in that, The first transmission gear (101) meshes with the second transmission gear (104), and the number of ventilation openings (105) is set to several.

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