Ventilation assembly of single-chamber gas quenching furnace

By designing a rotating and swaying mechanism to achieve all-round ventilation, combined with sweeping rods and brushes to clean impurities, the problem of incomplete ventilation in single-chamber gas quenching furnaces is solved, ventilation efficiency is improved, lubricant waste is reduced, and cleaning difficulty and cost are lowered.

CN223974150UActive Publication Date: 2026-03-06LINQU WEILE MOLD CO LTD
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Patent Information

Application Number
CN202520839286.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-29
Publication Date
2026-03-06
Estimated Expiration
2035-04-29

AI Technical Summary

Technical Problem

The existing ventilation components for single-chamber gas quenching furnaces cannot change the ventilation direction, resulting in incomplete ventilation, dead zones, and a decrease in gas delivery capacity after prolonged use. If cleaning is not done in time, dust will accumulate in the gas pipes, affecting the ventilation effect and increasing the burden of manual cleaning.

Method used

A ventilation assembly comprising a rotating mechanism, a swaying mechanism, and a lubrication mechanism was designed. The assembly achieves omnidirectional ventilation of the blades through the cooperation of gears and chains, cleans impurities using sweeping rods and brushes, and controls the flow of lubricating oil through worm gears and turbines to avoid waste.

Benefits of technology

It achieves all-around ventilation, reduces the accumulation of impurities, improves ventilation efficiency, saves lubricating oil, and reduces cleaning difficulty and cost.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of gas quenching furnaces, in particular to a ventilation assembly of a single-chamber gas quenching furnace, which comprises a workbench, the upper end of the workbench is fixedly connected with two groups of symmetrical first fixing blocks, the upper ends of the two groups of first fixing blocks are jointly and fixedly connected with a furnace body, and the lower end of the furnace body is fixedly connected with a collecting hopper. The lower end of the collecting hopper is fixedly connected with a blow-off pipe, one end of the furnace body is provided with a rotating mechanism, the rotating mechanism comprises a second rotating shaft, the outer side of the second rotating shaft is provided with a swinging mechanism, the front end of the workbench is fixedly connected with a fixing plate, and the upper end of the fixing plate is provided with a lubricating mechanism. And through mutual cooperation of a fourth rotating shaft and a worm, a fixing sleeve drives a mounting shell to rotate, movement of a third rotating shaft is achieved, all-directional ventilation of blades to the interior of the furnace body is facilitated, and the ventilation effect is improved.
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Description

Technical Field

[0001] This utility model relates to the field of gas quenching furnace technology, and in particular to a ventilation component for a single-chamber gas quenching furnace. Background Technology

[0002] Gas quenching furnaces are efficient, clean, and high-requirement metal heat treatment equipment that uses gas for cooling to rapidly harden metal workpieces. They are widely used in industries such as hardware, automobiles, and aerospace.

[0003] The existing ventilation components of single-chamber gas quenching furnaces cannot change the ventilation direction, resulting in incomplete ventilation inside the furnace, creating dead zones, and affecting the ventilation effect. Moreover, after long-term use, some components lack lubrication, leading to a decrease in gas delivery capacity. If cleaning is not timely, impurities or ash will accumulate in the gas pipes, hindering gas flow. Manual cleaning is time-consuming and labor-intensive. Therefore, this utility model proposes a ventilation component for a single-chamber gas quenching furnace. Utility Model Content

[0004] The main objective of this invention is to provide a ventilation component for a single-chamber gas quenching furnace, which can effectively solve the problems in the background art.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0006] A ventilation assembly for a single-chamber gas quenching furnace includes a workbench. Two sets of symmetrical first fixing blocks are fixedly connected to the upper end of the workbench. A furnace body is fixedly connected to the upper ends of the two sets of first fixing blocks. A collection hopper is fixedly connected to the lower end of the furnace body. A drain pipe is fixedly connected to the lower end of the collection hopper. A rotating mechanism is installed at one end of the furnace body. The rotating mechanism includes a second rotating shaft. A swing mechanism is installed on the outer side of the second rotating shaft. A fixing plate is fixedly connected to the front end of the workbench. A lubrication mechanism is installed on the upper end of the fixing plate.

[0007] Preferably, the rotating mechanism includes a mounting plate fixedly connected to the worktable, a first motor is mounted on the rear end of the mounting plate, a first rotating shaft is fixedly connected to the output shaft of the first motor, a first bevel gear is fixedly connected to the front end of the first rotating shaft, a second bevel gear is meshed with the outer side of the first bevel gear, and the lower end of the second rotating shaft of the second bevel gear is fixedly connected to it.

[0008] Preferably, a third bevel gear is fixedly connected to the lower end of the second rotating shaft, a fourth bevel gear is meshed with the outer side of the third bevel gear, a third rotating shaft is fixedly connected to one end of the fourth bevel gear, the outer side of the third rotating shaft is rotatably connected to the furnace body, and a blade is fixedly connected to the other end of the third rotating shaft.

[0009] Preferably, a sweeping rod is fixedly connected inside the outer furnace body of the third rotating shaft, and a brush is provided on one side of the sweeping rod.

[0010] Preferably, the swing mechanism includes a mounting housing rotatably connected to a third rotating shaft, a fixing sleeve fixedly connected to the upper end of the mounting housing, the fixing sleeve being rotatably connected to a second rotating shaft, a collection box rotatably connected to the outer side of the fixing sleeve, and the rear end of the collection box being fixedly connected to the worktable.

[0011] Preferably, two sets of symmetrical second fixing blocks are fixedly connected to the upper end of the collection box near both sides. A second motor is installed on one side of one set of the two sets of second fixing blocks. The output shaft of the second motor is fixedly connected to a fourth rotating shaft. The two ends of the fourth rotating shaft are rotatably connected to the second fixing blocks. A worm gear is fixedly connected to the outer side of the fourth rotating shaft. A turbine gear is meshed with the outer side of the worm gear. The lower end of the turbine gear is fixedly connected to a fixing sleeve.

[0012] Preferably, a first oil pipe is fixedly connected to the outside of the collection box, the other end of the first oil pipe is fixedly connected to the mounting shell, a second oil pipe is fixedly connected to the lower end of the mounting shell, and the other end of the second oil pipe is fixedly connected to the collection hopper.

[0013] Preferably, the lubrication mechanism includes a first gear fixedly connected to a first rotating shaft, a chain rotatably connected to the outer side of the first gear, a second gear rotatably connected to the inner side of the chain, a fifth rotating shaft fixedly connected to the inner side of the second gear, an oil drum rotatably connected to the outer side of the fifth rotating shaft, the lower end of the oil drum being fixedly connected to a fixed plate, a spherical oil can being fixedly connected to the front end of the fifth rotating shaft, a groove being provided on the outer side of the spherical oil can, a feed pipe rotatably connected to the lower end of the spherical oil can, the feed pipe being fixedly connected to the inner side of the oil drum, and the feed pipe penetrating the fixed plate.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] This device, through the cooperation of the fourth rotating shaft and the worm gear, causes the fixed sleeve to drive the mounting shell to rotate, thereby moving the third rotating shaft. This facilitates all-round ventilation of the furnace body by the blades, improving the ventilation effect. Through the cooperation of gears and chains, the first rotating shaft rotates while the fifth rotating shaft rotates, realizing the flow control of lubricating oil, preventing continuous output of lubricating oil, reducing lubricating oil waste, and saving costs. Through the cooperation of the sweeping rod and the brush, the third rotating shaft rotates while the brush cleans the impurities inside the furnace body, eliminating the need for additional cleaning and saving time and labor. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the overall structure of the ventilation component of a single-chamber gas quenching furnace according to the present invention;

[0018] Figure 2 This is a schematic cross-sectional view of the ventilation assembly of a single-chamber gas quenching furnace according to the present invention.

[0019] Figure 3 This is a schematic diagram of the ventilation component of a single-chamber gas quenching furnace according to the present invention. Figure 1 ;

[0020] Figure 4 This is a schematic diagram of the ventilation component of a single-chamber gas quenching furnace according to the present invention. Figure 2 ;

[0021] Figure 5 This is a schematic cross-sectional view of the overall structure of the lubrication mechanism of the ventilation component of a single-chamber gas quenching furnace according to the present invention;

[0022] Figure 6 This is an enlarged structural diagram of the ventilation component of a single-chamber gas quenching furnace according to the present invention.

[0023] In the diagram: 1. Workbench; 2. First fixed block; 3. Furnace body; 4. Collection hopper; 5. Sewage pipe; 6. Rotating mechanism; 61. Mounting plate; 62. First motor; 63. First rotating shaft; 64. First bevel gear; 65. Second bevel gear; 66. Second rotating shaft; 67. Third bevel gear; 68. Fourth bevel gear; 69. Third rotating shaft; 610. Blade; 611. Sweeping bar; 612. Brush; 7. Swinging mechanism; 71. Mounting housing; 72. Fixed sleeve; 73. Collection box; 74. Second fixed block; 75. Second motor; 76. Fourth rotating shaft; 77. Worm gear; 78. Worm wheel; 79. First oil pipe; 710. Second oil pipe; 8. Fixed plate; 9. Lubrication mechanism; 91. First gear; 92. Chain; 93. Second gear; 94. Fifth rotating shaft; 95. Oil drum; 96. Spherical oil tank; 97. Feed pipe. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0025] This utility model provides, for example Figure 1 - Figure 6 The ventilation assembly of a single-chamber gas quenching furnace shown includes a workbench 1. Two sets of symmetrical first fixing blocks 2 are fixedly connected to the upper end of the workbench 1. The upper ends of the two sets of first fixing blocks 2 are jointly fixedly connected to the furnace body 3. A collection hopper 4 is fixedly connected to the lower end of the furnace body 3. A drain pipe 5 is fixedly connected to the lower end of the collection hopper 4. A rotating mechanism 6 is installed at one end of the furnace body 3. The rotating mechanism 6 includes a second rotating shaft 66. A swing mechanism 7 is installed on the outer side of the second rotating shaft 66. A fixing plate 8 is fixedly connected to the front end of the workbench 1. A lubrication mechanism 9 is installed on the upper end of the fixing plate 8.

[0026] In this embodiment, the rotating mechanism 6 includes a mounting plate 61 fixedly connected to the worktable 1. A first motor 62 is mounted on the rear end of the mounting plate 61. A first rotating shaft 63 is fixedly connected to the output shaft of the first motor 62. A first bevel gear 64 is fixedly connected to the front end of the first rotating shaft 63. A second bevel gear 65 is meshed with the outer side of the first bevel gear 64. The lower end of the second rotating shaft 66 of the second bevel gear 65 is fixedly connected to it.

[0027] Specifically, the first motor 62 installed on the mounting plate 61 is started. The output shaft of the first motor 62 drives the first rotating shaft 63 to rotate. The first rotating shaft 63 drives the first bevel gear 64 to rotate. The first bevel gear 64 drives the second rotating shaft 66 to rotate through the second bevel gear 65.

[0028] In this embodiment, a third bevel gear 67 is fixedly connected to the lower end of the second rotating shaft 66, a fourth bevel gear 68 is meshed with the outer side of the third bevel gear 67, a third rotating shaft 69 is fixedly connected to one end of the fourth bevel gear 68, the outer side of the third rotating shaft 69 is rotatably connected to the furnace body 3, and a blade 610 is fixedly connected to the other end of the third rotating shaft 69.

[0029] Specifically, the second rotating shaft 66 drives the fourth bevel gear 68 to rotate via the third bevel gear 67, the fourth bevel gear 68 drives the third rotating shaft 69 to rotate, and the third rotating shaft 69 drives the blades 610 to rotate, thereby ventilating the interior of the furnace body 3.

[0030] In this embodiment, a sweeping rod 611 is fixedly connected inside the outer furnace body 3 of the third rotating shaft 69, and a brush 612 is provided on one side of the sweeping rod 611.

[0031] Specifically, the third rotating shaft 69 rotates, allowing the blades 610 to ventilate the interior of the furnace body 3 in all directions. The third rotating shaft 69 drives the sweeping rod 611 to rotate, and the sweeping rod 611 drives the brush 612 to clean the impurities inside the furnace body 3.

[0032] In this embodiment, the swing mechanism 7 includes a mounting housing 71 rotatably connected to the third rotating shaft 69. A fixing sleeve 72 is fixedly connected to the upper end of the mounting housing 71. The fixing sleeve 72 is rotatably connected to the second rotating shaft 66. A collection box 73 is rotatably connected to the outer side of the fixing sleeve 72. The rear end of the collection box 73 is fixedly connected to the worktable 1.

[0033] Specifically, the turbine 78 drives the mounting housing 71 to move via the fixed sleeve 72, and the mounting housing 71 drives the third rotating shaft 69 to achieve steering, with excess lubricating oil flowing into the collection box 73.

[0034] In this embodiment, two sets of symmetrical second fixing blocks 74 are fixedly connected to the upper end of the collection box 73 near both sides. A second motor 75 is installed on one side of one set of second fixing blocks 74. The output shaft of the second motor 75 is fixedly connected to a fourth rotating shaft 76. The two ends of the fourth rotating shaft 76 are rotatably connected to the second fixing blocks 74. A worm gear 77 is fixedly connected to the outer side of the fourth rotating shaft 76. A turbine 78 is meshed with the outer side of the worm gear 77. The lower end of the turbine 78 is fixedly connected to the fixing sleeve 72.

[0035] Specifically, the second motor 75, which is installed on the second fixed block 74, is started. The output shaft of the second motor 75 drives the fourth rotating shaft 76 to rotate. The fourth rotating shaft 76 drives the worm gear 77 to rotate. The worm gear 77 drives the turbine 78 to rotate. The turbine 78 drives the mounting housing 71 to move through the fixed sleeve 72.

[0036] In this embodiment, a first oil pipe 79 is fixedly connected to the outside of the collection box 73, and the other end of the first oil pipe 79 is fixedly connected to the mounting shell 71. A second oil pipe 710 is fixedly connected to the lower end of the mounting shell 71, and the other end of the second oil pipe 710 is fixedly connected to the collection hopper 4.

[0037] Specifically, excess lubricating oil flows into the collection box 73 and then into the mounting housing 71 through the first oil pipe 79 to lubricate the third bevel gear 67. The excess lubricating oil then flows into the collection hopper 4 through the second oil pipe 710 and is discharged through the drain pipe 5 along with impurities.

[0038] In this embodiment, the lubrication mechanism 9 includes a first gear 91 fixedly connected to a first rotating shaft 63. A chain 92 is rotatably connected to the outer side of the first gear 91, and a second gear 93 is rotatably connected to the inner side of the chain 92. A fifth rotating shaft 94 is fixedly connected to the inner side of the second gear 93. An oil tank 95 is rotatably connected to the outer side of the fifth rotating shaft 94. The lower end of the oil tank 95 is fixedly connected to a fixing plate 8. A spherical oil can 96 is fixedly connected to the front end of the fifth rotating shaft 94. A groove is provided on the outer side of the spherical oil can 96. A feed pipe 97 is rotatably connected to the lower end of the spherical oil can 96. The feed pipe 97 is fixedly connected to the inner side of the oil tank 95 and passes through the fixing plate 8.

[0039] Specifically, the first rotating shaft 63 drives the first gear 91 to rotate, the first gear 91 drives the second gear 93 to rotate via the chain 92, the second gear 93 drives the fifth rotating shaft 94 to rotate, and the fifth rotating shaft 94 drives the spherical oil tank 96 to rotate. When the groove of the spherical oil tank 96 is aligned with the inlet of the feed pipe 97, the lubricating oil inside the oil drum 95 installed on the fixed plate 8 flows into the feed pipe 97 to lubricate the rotating mechanism 6 and the swinging mechanism 7, preventing wear of parts from affecting operation. When the groove of the spherical oil tank 96 is misaligned with the inlet of the feed pipe 97, the lubricating oil stops flowing to avoid continuous output and waste.

[0040] Working principle: When using this equipment, the metal parts are placed inside the furnace body 3. The first motor 62, mounted on the mounting plate 61, is started. The output shaft of the first motor 62 drives the first rotating shaft 63 to rotate. The first rotating shaft 63 drives the first bevel gear 64 to rotate. The first bevel gear 64 drives the second rotating shaft 66 through the second bevel gear 65 to rotate. The second rotating shaft 66 drives the fourth bevel gear 68 through the third bevel gear 67 to rotate. The fourth bevel gear 68 drives the third rotating shaft 69 to rotate. The third rotating shaft 69 drives the blades 610 to rotate, ventilating the inside of the furnace body 3. The second motor 75, mounted on the second fixed block 74, is started. The output shaft of the second motor 75 drives the fourth rotating shaft 76 to rotate. The fourth rotating shaft 76 drives the worm gear 77 to rotate. The worm gear 77 drives the turbine 78 to rotate. The turbine 78 drives the mounting housing 71 to move through the fixed sleeve 72. The mounting housing 71 drives the third rotating shaft 69 to rotate, so that the blades 610 provide all-round ventilation inside the furnace body 3. The third rotating shaft 69 drives the sweeping rod 611 to rotate, and the sweeping rod 611... The moving brush 612 cleans impurities inside the furnace body 3. The cleaned impurities fall into the collection hopper 4 for unified recycling and are then discharged through the drain pipe 5. Simultaneously, the first rotating shaft 63 drives the first gear 91 to rotate. The first gear 91 drives the second gear 93 to rotate via the chain 92. The second gear 93 drives the fifth rotating shaft 94 to rotate. The fifth rotating shaft 94 drives the spherical oil tank 96 to rotate. When the groove of the spherical oil tank 96 aligns with the inlet of the feed pipe 97, the oil inside the oil drum 95 mounted on the fixed plate 8... Lubricating oil flows into the feed pipe 97 to lubricate the rotating mechanism 6 and the swing mechanism 7, preventing wear of components from affecting operation. When the groove of the spherical oil tank 96 is misaligned with the feed inlet of the feed pipe 97, the lubricating oil stops flowing to avoid continuous output and waste. Excess lubricating oil flows into the collection box 73 and into the mounting housing 71 through the first oil pipe 79 to lubricate the third bevel gear 67. Excess lubricating oil then flows into the collection hopper 4 through the second oil pipe 710 and is discharged through the drain pipe 5 along with impurities.

[0041] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A ventilation assembly of a single chamber gas quenching furnace comprising a worktable (1), characterized in that: The upper end of the workbench (1) is fixedly connected with two groups of symmetrical first fixed blocks (2), the upper ends of the two groups of first fixed blocks (2) are fixedly connected with a furnace body (3), the lower end of the furnace body (3) is fixedly connected with a collecting hopper (4), the lower end of the collecting hopper (4) is fixedly connected with a blowdown pipe (5), one end of the furnace body (3) is provided with a rotating mechanism (6), the rotating mechanism (6) comprises a second rotating shaft (66), a swing mechanism (7) is installed on the outer side of the second rotating shaft (66), the front end of the workbench (1) is fixedly connected with a fixed plate (8), and the upper end of the fixed plate (8) is provided with a lubricating mechanism (9).

2. A vent assembly for a single chamber gas quench furnace as defined in claim 1, wherein: The rotating mechanism (6) comprises a mounting plate (61) fixedly connected with the workbench (1), a first motor (62) is installed at the rear end of the mounting plate (61), the output shaft of the first motor (62) is fixedly connected with a first rotating shaft (63), the front end of the first rotating shaft (63) is fixedly connected with a first bevel gear (64), the outer side of the first bevel gear (64) is meshedly connected with a second bevel gear (65), and the second rotating shaft (66) of the second bevel gear (65) is fixedly connected with the lower end.

3. A vent assembly for a single chamber gas quench furnace as defined in claim 2, wherein: The lower end of the second rotating shaft (66) is fixedly connected with a third bevel gear (67), the outer side of the third bevel gear (67) is meshedly connected with a fourth bevel gear (68), one end of the fourth bevel gear (68) is fixedly connected with a third rotating shaft (69), the outer side of the third rotating shaft (69) is rotatably connected with the furnace body (3), and the other end of the third rotating shaft (69) is fixedly connected with a blade (610).

4. A vent assembly for a single chamber gas quench furnace as defined in claim 3, wherein: The inner side of the furnace body (3) is fixedly connected with a sweeping rod (611) on the outer side of the third rotating shaft (69), and a brush (612) is arranged on one side of the sweeping rod (611).

5. A vent assembly for a single chamber gas quench furnace as defined in claim 1, wherein: The swing mechanism (7) comprises a mounting shell (71) rotatably connected with the third rotating shaft (69), the upper end of the mounting shell (71) is fixedly connected with a fixed sleeve (72), the fixed sleeve (72) is rotatably connected with the second rotating shaft (66), the outer side of the fixed sleeve (72) is rotatably connected with a collecting box (73), and the rear end of the collecting box (73) is fixedly connected with the workbench (1).

6. A vent assembly for a single chamber gas quench furnace as defined in claim 5, wherein: The upper end of the collecting box (73) is fixedly connected with two groups of symmetrical second fixed blocks (74) near the positions on both sides, one side of one of the two groups of second fixed blocks (74) is provided with a second motor (75), the output shaft of the second motor (75) is fixedly connected with a fourth rotating shaft (76), the two ends of the fourth rotating shaft (76) are rotatably connected with the second fixed blocks (74), the outer side of the fourth rotating shaft (76) is fixedly connected with a worm (77), the outer side of the worm (77) is meshedly connected with a turbine (78), and the lower end of the turbine (78) is fixedly connected with the fixed sleeve (72).

7. A vent assembly for a single chamber gas quench furnace as defined in claim 6, wherein: The outer side of the collecting box (73) is fixedly connected with a first oil pipe (79), the other end of the first oil pipe (79) is fixedly connected with a mounting shell (71), the lower end of the mounting shell (71) is fixedly connected with a second oil pipe (710), and the other end of the second oil pipe (710) is fixedly connected with the collecting bucket (4).

8. A vent assembly for a single chamber gas quench furnace as defined in claim 1, wherein: The lubricating mechanism (9) comprises a first gear (91) fixedly connected with the first rotating shaft (63), a chain (92) rotatably connected to the outer side of the first gear (91), a second gear (93) rotatably connected to the inner side of the chain (92), a fifth rotating shaft (94) fixedly connected to the inner side of the second gear (93), an oil drum (95) rotatably connected to the outer side of the fifth rotating shaft (94), the lower end of the oil drum (95) being fixedly connected with the fixed plate (8), a spherical oil tank (96) fixedly connected to the front end of the fifth rotating shaft (94), a groove being formed in the outer side of the spherical oil tank (96), a feeding pipe (97) rotatably connected to the lower end of the spherical oil tank (96), the feeding pipe (97) being fixedly connected to the inner side of the oil drum (95), and the feeding pipe (97) penetrating through the fixed plate (8).