A vacuum sherardizing furnace for sherardizing the surface of iron components with high sealing performance

Abstract

The present invention discloses a high-sealing vacuum sherardizing furnace for surface sherardizing of iron components, comprising a sherardizing furnace body; a cooling cavity is provided inside the left end of the sherardizing furnace body, and a sherardizing cavity is provided inside the right end of the sherardizing furnace body; and further comprising: a sealing door plate is slidably provided at the left end of the sherardizing furnace body; wherein a heating mechanism is rotatably provided inside the sherardizing cavity at the right end of the sherardizing furnace body, and the heating mechanism comprises a rotating ring body, and guide gear blocks are fixedly provided inside the rotating ring bodies at equal angles on the left and right sides. The high-sealing vacuum sherardizing furnace for surface sherardizing of iron components performs rotary uniform sherardizing work on the iron components through the sherardizing cavity of the sherardizing furnace body, and can adjust the range of sherardizing operation according to the distribution of the iron components, and at the same time, the driving bracket of the cooling cavity drives the iron components to be pushed, so as to cool down through the oil-immersed cooling pool after the sherardizing operation, thereby improving the processing efficiency while ensuring the sealing effect.

Description

Technical Field

[0001] The invention relates to the technical field of vacuum sherardizing, in particular to a vacuum sherardizing furnace for sherardizing the surface of an iron component with high sealing performance. Background Art

[0002] Vacuum zincizing refers to the process of forming a zinc layer using zinc vapor. It uses zinc powder as raw material in a rotating closed vacuum container. The heated zinc-plated parts come into contact with zinc powder under vacuum conditions. Through a rather complex physical and chemical reaction process, zinc is infiltrated into the surface of the steel parts to form a uniform zinc-iron alloy layer on the steel parts.

[0003] For example, the large vacuum zinc-dip furnace disclosed in publication number CN201525877U is suitable for zinc-dip of large steel components with a diameter of one meter and a length of more than ten meters. Since the zinc-dip of steel components is carried out in a closed container, it is harmless to the human body, production is safe, and working conditions are good. It is environmentally friendly and avoids the shortcomings of zinc vapor poisoning, high-temperature operation, zinc liquid splashing, and environmental pollution in the hot-dip zinc process; it meets the requirements of the environmental protection department and can be built in the urban area, thereby reducing transportation costs;

[0004] Publication No. CN216639624U discloses a shearing furnace for processing railway fasteners. The furnace cover and the furnace body are combined to form a horizontal column with a regular hexagonal cross section. During the rotation shearing operation, the contact and collision between the fastener and the shearing agent can be improved, thereby improving the shearing effect. One end of the transmission shaft is a driving motor, and the other end is assisted in rotation by a pulley mechanism, which is conducive to smooth operation. The model and number of the transmission shaft and the paddle mechanism can be adjusted, so that it is convenient to perform shearing processing on railway fasteners of different sizes and shapes.

[0005] However, the above-mentioned vacuum zinc-diffusion furnace for iron components still has the following problems during actual use: although high-temperature zinc-diffusion of iron components is achieved through the zinc-diffusion furnace, there is no vacuum extraction mechanism inside such zinc-diffusion furnace, and the interior of the zinc-diffusion furnace is at normal pressure. The zinc-diffusion mechanism cannot work evenly, which in turn affects the zinc-diffusion effect of the iron components. At the same time, such zinc-diffusion furnace does not have a cooling mechanism for the iron components, which makes the overall processing efficiency low.

[0006] Therefore, we propose a vacuum sherardizing furnace for sherardizing the surface of iron components with high sealing properties in order to solve the above-mentioned problems. Summary of the invention

[0007] The purpose of the present invention is to provide a vacuum sherardizing furnace for sherardizing the surface of iron components with high sealing properties, in order to solve the problem that there is no vacuum extraction mechanism inside the existing sherardizing furnace, the interior of the sherardizing furnace is at normal pressure, the sherardizing mechanism cannot work evenly, thereby affecting the sherardizing effect of the iron components. At the same time, this type of sherardizing furnace has no cooling mechanism for the iron components, resulting in low overall processing efficiency.

[0008] To achieve the above object, the present invention provides the following technical solution: a vacuum sherardizing furnace for sherardizing the surface of an iron component with high sealing performance, comprising a sherardizing furnace body, and a closed partition fixedly installed in the middle of the sherardizing furnace body, and a sealed door body is slidably arranged inside the closed partition;

[0009] A cooling cavity is provided inside the left end of the sherardizing furnace body, and a sherardizing cavity is provided inside the right end of the sherardizing furnace body;

[0010] It also includes: a sealing door plate is slidably provided at the left end of the sherardizing furnace body, and a feeding mechanism is slidably provided inside the cooling cavity at the left end of the sherardizing furnace body, and the feeding mechanism includes a guide bottom plate;

[0011] Among them, a heating mechanism is rotatably arranged inside the zincizing cavity at the right end of the zincizing furnace body, and the heating mechanism includes a rotating ring body, and guide gear blocks are fixedly arranged at equal angles inside the rotating ring bodies on the left and right sides.

[0012] Preferably, the left end of the guide base plate included in the feeding mechanism is fixedly connected to the lower right side of the sealing door panel, and guide threaded rods are rotatably provided on both left and right sides of the top surface of the guide base plate, and the outer walls of the guide threaded rods on the front and rear sides are threadedly connected to the bottom end of the driving bracket, and lifting threaded rods are rotatably provided on the left and right sides of the upper end of the driving bracket in a front-to-back symmetrical manner.

[0013] Preferably, the outer walls of the lifting threaded rods included in the feeding mechanism are threadedly connected to the outer ends of the lifting cross plates, and the lifting cross plates are slidably arranged inside the driving bracket in a front-to-back symmetrical manner, and the lifting cross plates are used to limit the lifting of the tray of the iron elements, and the driving bracket pushes the tray of the iron elements into the interior of the zinc infiltration cavity through the guide threaded rod threadedly connected at the bottom end.

[0014] Preferably, an oil-immersed cooling pool is fixedly installed in the cooling cavity at the left end of the zinc-diffusion furnace body, and the oil-immersed cooling pool is arranged at the center position of the bottom surface of the driving bracket, and the iron components and their trays that have been zinc-diffused are driven to descend into the oil-immersed cooling pool for cooling by the lifting threaded rod inside the driving bracket, and the lifting cross plate and the iron components and their trays are driven to rise and fall by the lifting threaded rod, so that they will not be affected by the oil-immersed cooling pool and cause collision and falling.

[0015] Preferably, the heating mechanism includes a guide slide rod, and the outer ends of the guide slide rod are fixedly arranged at equal angles on the inner sides of the left and right rotating ring bodies, and the heating mechanism includes a driving shaft, and the left and right outer walls of the front and rear driving shafts are fixedly provided with driving gears, and the driving gears on both sides of the driving shaft are engaged with the guide gear blocks on the outer wall of the rotating ring body to rotate.

[0016] Preferably, the heating mechanism includes a guide slider, and the guide slider is slidably arranged on the outer wall of the guide slide rod at equal distances, and the front and rear sides of the upper end of the guide slider are elastically connected to the outer end of the locking arc plate, and the guide slider and the guide slide rod are locked and connected through the locking arc plates on the front and rear sides.

[0017] Preferably, the heating mechanism includes a guide gear, and the guide gear is rotatably arranged at the bottom end of the guide slider, and the bottom end of the guide gear is fixedly connected to the top end of the zinc infiltration nozzle, and the heating mechanism includes a guide rack, and the guide rack is slidably arranged under the guide slide rod and meshedly connected with the guide gear.

[0018] Preferably, the heating mechanism includes a resistance positioning ring, and resistance magnetic blocks are fixedly arranged at equal angles inside the resistance positioning ring, and after the resistance magnetic blocks approach the guide rack, they move to the left end through repulsion, and the guide rack is elastically connected to the rotating ring bodies on the left and right sides.

[0019] Preferably, lifting plates are fixedly arranged on the front and rear sides of the right end of the sherardizing cavity inside the sherardizing furnace body, and the left ends of the front and rear lifting plates extend to the interior of the rotating ring body, and the iron elements and their trays are carried and lifted by the front and rear lifting plates so that the iron elements can be heated and sherardized in the sherardizing cavity.

[0020] Compared with the prior art, the invention has the following beneficial effects: the vacuum sherardizing furnace for sherardizing the surface of the iron component with high sealing performance performs a rotary uniform sherardizing operation on the iron component through the sherardizing cavity of the sherardizing furnace body, and can adjust the range of the sherardizing operation according to the distribution of the iron component, and at the same time, the driving bracket of the cooling cavity drives the iron component to be pushed, so that it can be cooled by the oil-immersed cooling pool after the sherardizing operation, thereby ensuring the sealing effect and improving the processing efficiency. The specific contents are as follows:

[0021] 1. The cooling cavity and the sherardizing cavity opened at the left and right ends are isolated by closing the partition and the sealing door body. In the initial state, the sherardizing cavity is in a vacuum state. The iron element and its tray are carried by the lifting horizontal plates on the front and rear sides of the driving bracket, and the sealing door plate and the guide bottom plate are pushed into the cooling cavity again, so that the cooling cavity and the sherardizing cavity are in a constant pressure vacuum state by extracting air from the cooling cavity;

[0022] Furthermore, the iron elements and the tray are pushed into the zincizing chamber by the driving bracket, and the lifting threaded rod arranged inside the driving bracket is rotated by the servo motor to drive the lifting cross plate and the iron elements and the tray connected by the outer wall thread to slide downward, thereby driving the iron elements and the tray to be placed above the lifting plate, and then the guide threaded rod drives the driving bracket to move in a certain direction so that they can be stored inside the cooling chamber for subsequent vacuum zincizing work.

[0023] 2. The driving shaft drives the driving gear to mesh with the guide gear block and then drives the rotating ring to rotate. The guide slider and the sherardizing nozzle are driven to perform sherardizing operation on the iron component. The rotating guide rack approaches the abutting magnetic block and drives the guide rack to move in the opposite direction by repulsion, driving the meshing guide gear and the sherardizing nozzle at its inner end to rotate, and then the sherardizing angle is intermittently changed during the sherardizing process to improve the comprehensiveness and uniformity of the sherardizing operation;

[0024] Furthermore, the locking arc plate is slid outward manually in advance, and then the guide slider is manually slid to drive the sherardizing nozzle to move, so as to adjust the working position of the equally distributed sherardizing nozzles, and at the same time, the elastically connected locking arc plate is reset to lock the position of the guide slider and the sherardizing nozzle, so as to allow displacement in the subsequent process;

[0025] 3. The lifting cross plate is driven by the lifting threaded rod to remove the iron component tray above the lifting plate, and after detaching from the lifting plate, it moves to the inside of the cooling cavity, and the lifting cross plate is driven by the lifting threaded rod again to move the iron component tray under the iron component tray, so that the iron component tray enters the oil-immersed cooling pool inside the cooling cavity for cooling, thereby improving the zinc infiltration effect of the iron component and the processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the present invention;

[0027] Figure 2 This is a schematic diagram of the three-dimensional structure of the driving bracket of the present invention;

[0028] Figure 3 For the present invention Figure 2 The enlarged structural diagram at A in the middle;

[0029] Figure 4 This is a schematic diagram of the installation structure of the oil-immersed cooling pool of the present invention;

[0030] Figure 5 This is a schematic diagram of the installation structure of the rotating ring body of the present invention;

[0031] Figure 6 This is a schematic diagram of the three-dimensional structure of the lifting plate of the present invention;

[0032] Figure 7 This is a schematic diagram of the installation structure of the interfering magnetic block of the present invention;

[0033] Figure 8 This is a schematic diagram of the three-dimensional structure of the sherardizing nozzle of the present invention;

[0034] Fig. 9 For the present invention Figure 8 Enlarged structural diagram at B in the middle.

[0035] In the figure: 1. zincizing furnace body; 2. closed partition; 3. sealed door body; 4. cooling cavity; 5. zincizing cavity; 6. sealed door plate; 7. guide bottom plate; 8. rotating ring body; 9. guide gear block; 10. guide threaded rod; 11. driving bracket; 12. lifting threaded rod; 13. lifting cross plate; 14. zincizing nozzle; 15. oil-immersed cooling pool; 16. guide slide bar; 17. driving shaft; 18. driving gear; 19. guide slide block; 20. locking arc plate; 21. guide gear; 22. guide rack; 23. abutment positioning ring; 24. abutment magnet; 25. lifting plate. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the implementation regulations described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0037] See also Figure 1-Figure 9 , the present invention provides the following technical solutions:

[0038] Embodiment 1: In order to solve the problems existing in the use of the existing sherardizing furnace body 1, the present embodiment adopts the following technical scheme: a vacuum sherardizing furnace for sherardizing the surface of iron components with high sealing performance, comprising a sherardizing furnace body 1, and a closed partition 2 fixedly installed in the middle of the sherardizing furnace body 1, and a sealed door body 3 is slidably arranged inside the closed partition 2; a cooling cavity 4 is opened inside the left end of the sherardizing furnace body 1, a sealed door plate 6 is slidably arranged on the left end of the sherardizing furnace body 1, and a feeding mechanism is slidably arranged inside the cooling cavity 4 at the left end of the sherardizing furnace body 1, and the feeding mechanism includes a guide bottom plate 7; wherein, a heating mechanism is rotatably arranged inside the sherardizing cavity 5 at the right end of the sherardizing furnace body 1, and the heating mechanism includes a rotating ring body 8, and guide tooth blocks 9 are fixedly arranged at equal angles inside the rotating ring bodies 8 on the left and right sides;

[0039] The left end of the guide bottom plate 7 included in the feeding mechanism is fixedly connected to the lower right side of the sealing door plate 6, and the left and right sides of the top surface of the guide bottom plate 7 are rotatably provided with guide threaded rods 10, and the outer walls of the guide threaded rods 10 on the front and rear sides are threadedly connected to the bottom end of the driving bracket 11, and the upper end of the driving bracket 11 is rotatably provided with lifting threaded rods 12 on the left and right sides in a front-to-back symmetrical manner; the outer walls of the lifting threaded rods 12 included in the feeding mechanism are threadedly connected to the outer ends of the lifting cross plate 13, and the lifting cross plate 13 is slidably provided inside the driving bracket 11 in a front-to-back symmetrical manner, and the lifting cross plate 13 is used to lift and limit the tray of the iron element, and the driving bracket 11 pushes the tray of the iron element into the inside of the zinc infiltration cavity 5 through the guide threaded rods 10 threaded at the bottom;

[0040] like Figure 2-Figure 4 As shown, first, the sherardizing furnace body 1 isolates the cooling cavity 4 and the sherardizing cavity 5 opened at the left and right ends through the closed partition 2 and the sealed door body 3 arranged in the middle. In the initial state, the sherardizing cavity 5 is in a vacuum state, and then the sealed door plate 6 at the left end of the sherardizing furnace body 1 slides to the left to open, thereby driving the fixedly connected guide bottom plate 7 and the driving bracket 11 to move to the left, and at the same time, the iron element and its tray are carried by the lifting cross plates 13 on the front and rear sides of the driving bracket 11, and the sealed door plate 6 and the guide bottom plate 7 are pushed into the cooling cavity 4 again, so that the cooling cavity 4 and the sherardizing cavity 5 are in a constant pressure state by extracting air from the cooling cavity 4;

[0041] Furthermore, after the cooling cavity 4 and the zinc-diffusion cavity 5 are at a constant pressure, the sealing door body 3 inside the closed partition 2 is opened to make the cooling cavity 4 and the zinc-diffusion cavity 5 interpenetrate with each other, and then the servo motor drives the guide threaded rod 10 to rotate and drives the driving bracket 11 to move to the right, so as to push the iron element and the tray into the zinc-diffusion cavity 5. At this time, the iron element and the tray are located above the front and rear lifting plates 25, and the lifting threaded rod 12 arranged inside the driving bracket 11 is rotated by the servo motor to drive the lifting cross plate 13 threadedly connected to the outer wall and the iron element and the tray to slide downward, thereby driving the iron element and the tray to be placed above the lifting plate 25, and then the guide threaded rod 10 drives the driving bracket 11 to move in the direction so as to be received into the cooling cavity 4, and the zinc-diffusion cavity 5 is closed by the sealing door body 3 for subsequent vacuum zinc-diffusion work.

[0042] Embodiment 2: In order to solve the problems existing in the use of the existing zincizing furnace body 1, this embodiment adopts the following technical scheme: a zincizing cavity 5 is opened inside the right end of the zincizing furnace body 1; the heating mechanism includes a guide slide bar 16, and the outer end of the guide slide bar 16 is fixedly arranged at equal angles on the inner side of the rotating ring body 8 at the left and right ends, and the heating mechanism includes a driving shaft 17, and the left and right outer walls of the driving shaft 17 on the front and rear sides are fixedly arranged with driving gears 18, and the driving gears 18 on both sides of the driving shaft 17 are meshed with the guide tooth blocks 9 on the outer wall of the rotating ring body 8 to rotate; the heating mechanism includes a guide slider 19, and the guide slider 19 is equidistantly slidably arranged on the outer wall of the guide slider 16, and the front and rear sides of the upper end of the guide slider 19 are elastically connected to the outer ends of the locking arc plates 20, and the guide slider 19 is locked and connected with the guide slider 16 through the locking arc plates 20 on the front and rear sides;

[0043] The heating mechanism includes a guide gear 21, and the guide gear 21 is rotatably arranged at the bottom end of the guide slider 19, and the bottom end of the guide gear 21 is fixedly connected to the top end of the zinc-diffusion nozzle 14, and the heating mechanism includes a guide rack 22, and the guide rack 22 is slidably arranged below the guide slide bar 16 and meshedly connected with the guide gear 21; the heating mechanism includes a resistance positioning ring 23, and a resistance magnetic block 24 is fixedly arranged at an equal angle inside the resistance positioning ring 23, and the resistance magnetic block 24 moves to the left end by repelling and resisting the guide rack 22 after it approaches, and the guide rack 22 is elastically connected to the rotating ring body 8 on the left and right sides; the front and rear sides of the right end of the zinc-diffusion cavity 5 inside the zinc-diffusion furnace body 1 are fixedly provided with a lifting plate 25, and the left ends of the lifting plates 25 on the front and rear sides extend to the inside of the rotating ring body 8, and the iron element and its tray are carried and lifted by the lifting plates 25 on the front and rear sides, so that the iron element can be heated and zinc-diffused in the zinc-diffusion cavity 5;

[0044] like Figure 5-Figure 6As shown, the iron element and the tray are located above the lifting plate 25, and the whole is inside the rotating ring body 8 on the left and right sides. Then, the driving shaft 17 arranged at the front and rear sides of the bottom of the cooling cavity 4 is driven by the driving motor, so that the driving gears 18 on both sides of the outer wall mesh with the guide gear blocks 9 inside the rotating ring body 8 during its rotation, so that the rotating ring bodies 8 on the left and right sides and the guide slide bars 16 inside thereof are driven to rotate, and the guide sliders 19 and the zincizing nozzles 14 located on the outer walls of the guide slide bars 16 are driven to rotate in a circular shape with respect to the iron element. At the same time, during the rotation of the guide rack 22 arranged on the inner side of the rotating ring body 8, its end gradually approaches the conflicting magnetic block 24 inside the conflicting positioning ring 23, so that the conflicting magnetic block 24 drives the guide rack 22 to move in the opposite direction by repelling each other. In this process, it drives the meshing guide gear 21 and the zincizing nozzle 14 at its inner end to rotate, and then the zincizing angle is intermittently changed during the zincizing process, so as to improve the comprehensiveness and uniformity of the zincizing operation.

[0045] Furthermore, when it is necessary to adjust the position of the equally-distributed zinc-diffusion nozzles 14 according to the distribution of the iron elements, the locking arc plate 20 elastically connected inside the guide slider 19 is slid outward manually in advance, so that the locking arc plate 20 is no longer engaged and locked with respect to the guide slide bar 16, and then the guide slider 19 is manually slid to drive the zinc-diffusion nozzle 14 to move, so as to adjust the working position of the equally-distributed zinc-diffusion nozzles 14, and at the same time, the elastically-connected locking arc plate 20 is reset to lock the position of the guide slider 19 and the zinc-diffusion nozzle 14, so as to allow displacement to occur in subsequent processes.

[0046] Embodiment 3: In order to solve the problems existing in the use of the existing shearing furnace body 1, the present embodiment adopts the following technical scheme; an oil-immersed cooling pool 15 is fixedly provided in the cooling cavity 4 at the left end of the shearing furnace body 1, and the oil-immersed cooling pool 15 is provided at the center of the bottom surface of the driving bracket 11, and the iron element and its tray that have been sheared are driven to descend into the oil-immersed cooling pool 15 for cooling by the lifting threaded rod 12 inside the driving bracket 11, and the lifting cross plate 13 and the iron element and its tray are driven to rise and fall by the lifting threaded rod 12, so that they will not be affected by the oil-immersed cooling pool 15 and cause collision and falling;

[0047] like Figure 4As shown, after the shearing work of the iron component is completed, the driving bracket 11 of the cooling mechanism is moved to the inside of the shearing cavity 5, and the lifting cross plate 13 connected by the thread is driven by the lifting threaded rod 12 to move upward, so that the lifting cross plate 13 drives the iron component tray above the lifting plate 25 to rise, and then moves to the inside of the cooling cavity 4 after separating from the lifting plate 25, and the lifting cross plate 13 is driven by the lifting threaded rod 12 again to move under the iron component tray, so that the iron component tray enters the oil-immersed cooling pool 15 inside the cooling cavity 4 for cooling, thereby improving the shearing effect of the iron component and the processing efficiency.

[0048] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A vacuum sherardizing furnace for sherardizing the surface of an iron component with high sealing performance, comprising a sherardizing furnace body (1), and a closed partition (2) fixedly installed in the middle of the sherardizing furnace body (1), and a sealed door body (3) is slidably arranged inside the closed partition (2); A cooling cavity (4) is provided inside the left end of the sherardizing furnace body (1), and a sherardizing cavity (5) is provided inside the right end of the sherardizing furnace body (1); It is characterized in that Also includes: A sealing door plate (6) is slidably provided at the left end of the sherardizing furnace body (1), and a feeding mechanism is slidably provided inside the cooling cavity (4) at the left end of the sherardizing furnace body (1), and the feeding mechanism includes a guide bottom plate (7); A heating mechanism is rotatably arranged inside the zincizing cavity (5) at the right end of the zincizing furnace body (1), and the heating mechanism comprises a rotating ring body (8), and guide tooth blocks (9) are fixedly arranged at equal angles inside the rotating ring bodies (8) on the left and right sides; Lifting plates (25) are fixedly provided on both the front and rear sides of the right end of the sherardizing cavity (5) inside the sherardizing furnace body (1), and the left ends of the lifting plates (25) on the front and rear sides extend into the interior of the rotating ring body (8), and the iron element and its tray are supported and lifted by the lifting plates (25) on the front and rear sides, so that the iron element can be heated and sherardized in the sherardizing cavity (5).

2. A vacuum sherardizing furnace for sherardizing the surface of an iron component with high sealing performance according to claim 1, characterized in that: The left end of the guide bottom plate (7) included in the feeding mechanism is fixedly connected to the lower right side of the sealing door plate (6), and guide threaded rods (10) are rotatably provided on both left and right sides of the top surface of the guide bottom plate (7), and the outer walls of the guide threaded rods (10) on the front and rear sides are threadedly connected to the bottom end of the driving bracket (11), and lifting threaded rods (12) are rotatably provided on both left and right sides of the upper end of the driving bracket (11) in a front-to-back symmetrical manner.

3. A vacuum sherardizing furnace for sherardizing the surface of an iron component with high sealing performance according to claim 2, characterized in that: The outer wall of the lifting threaded rod (12) included in the feeding mechanism is threadedly connected to the outer end of the lifting horizontal plate (13), and the lifting horizontal plate (13) is slidably arranged inside the driving bracket (11) in a front-to-back symmetrical manner, and the lifting horizontal plate (13) is used to lift and limit the tray of the iron element, and the driving bracket (11) pushes the tray of the iron element into the inside of the zinc infiltration cavity (5) through the guide threaded rod (10) threadedly connected at the bottom end.

4. A vacuum sherardizing furnace for sherardizing the surface of an iron component with high sealing performance according to claim 1, characterized in that: An oil-immersed cooling pool (15) is fixedly arranged in the cooling cavity (4) at the left end of the sherardizing furnace body (1), and the oil-immersed cooling pool (15) is arranged at the center position of the bottom surface of the driving bracket (11), and the iron element and its tray that have been sherardized are driven to descend into the oil-immersed cooling pool (15) for cooling by the lifting threaded rod (12) inside the driving bracket (11), and the lifting cross plate (13) and the iron element and its tray are driven to rise and fall by the lifting threaded rod (12), so that they will not be affected by the oil-immersed cooling pool (15) and cause collision and falling.

5. A vacuum sherardizing furnace for sherardizing the surface of an iron component with high sealing performance according to claim 1, characterized in that: The heating mechanism comprises a guide slide bar (16), and the outer ends of the guide slide bar (16) are fixedly arranged at equal angles on the inner sides of the left and right rotating ring bodies (8), and the heating mechanism comprises a driving shaft (17), and the left and right outer walls of the front and rear driving shafts (17) are fixedly arranged with driving gears (18), and the driving gears (18) on both sides of the driving shaft (17) are meshed with the guide gear blocks (9) on the outer wall of the rotating ring body (8) to rotate.

6. A vacuum sherardizing furnace for sherardizing the surface of an iron component with high sealing performance according to claim 5, characterized in that: The heating mechanism comprises a guide slider (19), and the guide slider (19) is slidably arranged on the outer wall of the guide slide rod (16) at an equal distance, and the front and rear sides of the upper end of the guide slider (19) are elastically connected to the outer end of the locking arc plate (20), and the locking arc plates (20) on the front and rear sides are used to lock the guide slider (19) and the guide slide rod (16).

7. A vacuum sherardizing furnace for sherardizing the surface of an iron component with high sealing performance according to claim 6, characterized in that: The heating mechanism comprises a guide gear (21), and the guide gear (21) is rotatably arranged at the bottom end of the guide slider (19), and the bottom end of the guide gear (21) is fixedly connected to the top end of the zincizing nozzle (14), and the heating mechanism comprises a guide rack (22), and the guide rack (22) is slidably arranged below the guide slide bar (16) and meshedly connected with the guide gear (21).

8. A vacuum sherardizing furnace for sherardizing the surface of an iron component with high sealing performance according to claim 7, characterized in that: The heating mechanism comprises a resistance positioning ring (23), and resistance magnetic blocks (24) are fixedly arranged at equal angles inside the resistance positioning ring (23), and the resistance magnetic blocks (24) move to the left end through repulsion and resistance when the resistance magnetic blocks (24) and the guide rack (22) are close to each other, and the guide rack (22) is elastically connected to the rotating ring bodies (8) on the left and right sides.

Images