Vacuum carburizing treatment device

Abstract

The utility model relates to the technical field of vacuum carburizing treatment, in particular to a vacuum carburizing treatment device which improves the treatment efficiency and treatment effect of the device on parts, enables carburizing to be more sufficient and improves practicability. A door is rotatably mounted at the top end of the vacuum carburizing furnace, a vacuum pump is fixedly mounted on the outer side wall of the vacuum carburizing furnace, a supporting plate is transversely and fixedly mounted in the vacuum carburizing furnace, and a plurality of supporting mechanisms are arranged on the supporting plate; the supporting mechanism comprises a fixing rod, the fixing rod is longitudinally installed on the supporting plate in a sliding mode, a limiting plate is fixedly installed at the top end of the fixing rod and attached to the top end of the supporting plate, a bottom plate is fixedly installed at the bottom end of the fixing rod, and a plurality of rolling mechanisms are arranged in the bottom area in the vacuum carburizing furnace. The rolling mechanism comprises a rotating shaft, and the outer side wall of a top plate is attached to the bottom end of the bottom plate.

Description

Technical Field

[0001] The utility model relates to the technical field of vacuum carburizing treatment, in particular to a vacuum carburizing treatment device. Background Art

[0002] Carburizing refers to the process of infiltrating carbon atoms into the surface layer of steel. It also makes the low-carbon steel workpiece have the surface layer of high-carbon steel. After quenching and low-temperature tempering, the surface layer of the workpiece has high hardness and wear resistance, while the center of the workpiece still maintains the toughness and plasticity of low-carbon steel. With the development of electric vacuum technology, vacuum heat treatment technology has emerged, and then the air-cooled vacuum heat treatment furnace, cold-wall vacuum oil quenching furnace and vacuum-heated high-pressure gas quenching furnace have been successfully developed, which has brought new development to the vacuum heat treatment process. Carburizing in vacuum, carburizing, nitriding or infiltrating other elements under the action of vacuum plasma field have further expanded the application scope of vacuum heat treatment.

[0003] During the use of the vacuum low-pressure carburizing furnace, due to the internal vacuum state and the fact that the parts to be processed are fitted inside the device, even if a small amount of carburizing gas is introduced for carburizing, the efficiency is relatively slow and insufficient carburizing will occur. Therefore, we proposed a vacuum carburizing treatment device to solve the above-mentioned problems. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a vacuum carburizing treatment device which improves the efficiency and effect of the device in treating parts, makes carburizing more sufficient, and improves the practicality.

[0006] (II) Technical solution

[0007] To achieve the above object, the utility model provides the following technical solutions: a vacuum carburizing treatment device, comprising a vacuum carburizing furnace, a door is rotatably installed on the top of the vacuum carburizing furnace, a vacuum pump is fixedly installed on the outer wall of the vacuum carburizing furnace, a support plate is fixedly installed laterally inside the vacuum carburizing furnace, and a plurality of support mechanisms are arranged on the support plate;

[0008] The supporting mechanism includes a fixed rod, which is longitudinally slidably mounted on the supporting plate, a limit plate is fixedly mounted on the top of the fixed rod, the limit plate is fitted with the top of the supporting plate, a bottom plate is fixedly mounted on the bottom of the fixed rod, and a plurality of rolling mechanisms are arranged in the inner bottom area of ​​the vacuum carburizing furnace;

[0009] The rolling mechanism comprises a rotating shaft, which is laterally rotatably mounted inside the vacuum carburizing furnace, and a first top plate and a second top plate are symmetrically fixedly mounted on an outer side wall of the rotating shaft;

[0010] Each rotating shaft is connected through a transmission mechanism;

[0011] The outer side wall of the first top plate is in contact with the bottom end of the bottom plate.

[0012] Preferably, the transmission mechanism comprises a transmission wheel, which is fixedly mounted on the outer side wall of the rotating shaft, and a transmission belt is tensioned between each adjacent transmission wheel.

[0013] Furthermore, a motor is fixedly mounted on the outer wall of one of the rotating shafts, and the motor is fixedly mounted on the outer wall of the vacuum carburizing furnace.

[0014] Furthermore, a plurality of pillars are fixedly installed around the bottom end of the vacuum carburizing furnace.

[0015] Based on the above solution, a handle is fixedly installed on the top of the door.

[0016] (III) Beneficial effects

[0017] Compared with the prior art, the utility model provides a vacuum carburizing treatment device having the following

[0018] Beneficial effects:

[0019] The vacuum carburizing treatment device supports the parts to be treated by a fixed rod, and drives the first top plate and the second top plate to rotate synchronously by rotating the rotating shaft. The first top plate and the second top plate are constantly in contact with the bottom plate, so that the fixed rod is continuously raised and lowered on the support plate under the limit of the limit plate, and the parts on the top of the fixed rod are continuously moved, thereby improving the efficiency and treatment effect of the device on the parts, making the carburizing more sufficient and improving the practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0022] Figure 3 For this utility model Figure 1 The enlarged structural diagram of the middle A part;

[0023] Figure 4 For this utility model Figure 2 Schematic diagram of the enlarged structure of part B in the middle.

[0024] Markings in the accompanying drawings: 1. vacuum carburizing furnace; 2. door; 3. support plate; 4. vacuum pump; 5. fixing rod; 6. limit plate; 7. bottom plate; 8. rotating shaft; 9. first top plate; 10. second top plate; 11. transmission wheel; 12. transmission belt; 13. motor; 14. pillar; 15. handle. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Example

[0027] See also Figure 1-4 A vacuum carburizing treatment device includes a vacuum carburizing furnace 1, a door 2 is rotatably installed on the top of the vacuum carburizing furnace 1, and a handle 15 is fixedly installed on the top of the door 2. By installing the handle 15, it is convenient for workers to open and close the door 2. A vacuum pump 4 is fixedly installed on the outer wall of the vacuum carburizing furnace 1, and a support plate 3 is fixedly installed laterally inside the vacuum carburizing furnace 1. A plurality of support mechanisms are arranged on the support plate 3; the support mechanism includes a fixed rod 5, and the fixed rod 5 is longitudinally slidably installed on the support plate 3. A limit plate 6 is fixedly installed on the top of the fixed rod 5, and the limit plate 6 is in contact with the top of the support plate 3. A bottom plate 7 is fixedly installed on the bottom end of the fixed rod 5, and a plurality of rolling mechanisms are arranged in the bottom area of ​​the interior of the vacuum carburizing furnace 1; ... The driving mechanism includes a rotating shaft 8, wherein a motor 13 is fixedly mounted on the outer wall of one of the rotating shafts 8, and the motor 13 is fixedly mounted on the outer wall of the vacuum carburizing furnace 1. By installing the motor 13, power support is provided to the rotating shaft 8. The rotating shaft 8 is laterally rotatably mounted inside the vacuum carburizing furnace 1, and a first top plate 9 and a second top plate 10 are symmetrically fixedly mounted on the outer wall of the rotating shaft 8; each rotating shaft 8 is connected through a transmission mechanism; the transmission mechanism includes a transmission wheel 11, and the transmission wheel 11 is fixedly mounted on the outer wall of the rotating shaft 8. A transmission belt 12 is tensioned between each adjacent transmission wheel 11, and by installing the transmission wheel 11 and the transmission belt 12, it is convenient to synchronously rotate each rotating shaft 8.

[0028] See also Figure 1-4The outer wall of the first top plate 9 is fitted with the bottom end of the bottom plate 7. The vacuum carburizing treatment device supports the parts to be treated through the fixed rod 5, and synchronously drives the first top plate 9 and the second top plate 10 to rotate while rotating the rotating shaft 8. The first top plate 9 and the second top plate 10 are constantly in contact with the bottom plate 7, so that the fixed rod 5 is continuously lifted and lowered on the support plate 3 under the limit of the limit plate 6, and the parts at the top of the fixed rod 5 are continuously moved, thereby improving the efficiency and treatment effect of the device on the parts, making the carburizing more sufficient and improving the practicality.

[0029] See also Figure 1 It should also be noted that a plurality of pillars 14 are fixedly installed around the bottom of the vacuum carburizing furnace 1, and the support operation is performed by installing the pillars 14.

[0030] In summary, when the vacuum carburizing treatment device is in use, the door 2 is opened by the handle 15, the parts are placed on the top of the fixing rod 5, and the motor 13 is started. This motor is a well-known device purchased directly on the market by technicians in this field. Here we just use it and do not make any structural and functional improvements to it. We will not go into details here. The motor is provided with a control switch matched with it. The installation position of the control switch is selected according to actual practical needs, which is convenient for operators to operate and control. The motor 13 outputs power to the rotating shaft 8, and then drives each rotating shaft 8 to rotate synchronously through the transmission wheel 11 and the transmission belt 12. The rotating shaft 8 rotates while synchronously driving each first top plate 9 and the second top plate 10 to rotate. The first top plate 9 and the second top plate 10 are constantly in contact with the bottom plate 7, so that the fixing rod 5 is continuously longitudinally reciprocating under the limit of the limit plate 6, so that the parts are continuously moved, and the vacuum pump 4 is started, and then the interior of the vacuum carburizing furnace 1 is evacuated. The parts are heated by the vacuum carburizing furnace 1 to purify the furnace. After reaching the carburizing temperature, propane is introduced for carburizing. After a certain period of time, the carburizing agent is cut off, and then vacuum is evacuated for diffusion, thereby completing the processing of the parts.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A vacuum carburizing treatment device, comprising a vacuum carburizing furnace (1), characterized in that: A door (2) is rotatably mounted on the top of the vacuum carburizing furnace (1), a vacuum pump (4) is fixedly mounted on the outer wall of the vacuum carburizing furnace (1), a support plate (3) is fixedly mounted laterally inside the vacuum carburizing furnace (1), and a plurality of support mechanisms are arranged on the support plate (3); The support mechanism comprises a fixed rod (5), the fixed rod (5) is longitudinally slidably mounted on the support plate (3), a limit plate (6) is fixedly mounted on the top end of the fixed rod (5), the limit plate (6) is in contact with the top end of the support plate (3), a bottom plate (7) is fixedly mounted on the bottom end of the fixed rod (5), and a plurality of rolling mechanisms are arranged in the inner bottom area of ​​the vacuum carburizing furnace (1); The rolling mechanism comprises a rotating shaft (8), the rotating shaft (8) is transversely rotatably mounted inside the vacuum carburizing furnace (1), and a first top plate (9) and a second top plate (10) are symmetrically fixedly mounted on the outer side wall of the rotating shaft (8); Each rotating shaft (8) is connected via a transmission mechanism; The outer side wall of the first top plate (9) is in contact with the bottom end of the bottom plate (7).

2. A vacuum carburizing treatment device according to claim 1, characterized in that: The transmission mechanism comprises a transmission wheel (11), which is fixedly mounted on the outer side wall of the rotating shaft (8), and a transmission belt (12) is tensioned between each adjacent transmission wheel (11).

3. A vacuum carburizing treatment device according to claim 2, characterized in that: A motor (13) is fixedly mounted on the outer wall of one of the rotating shafts (8), and the motor (13) is fixedly mounted on the outer wall of the vacuum carburizing furnace (1).

4. A vacuum carburizing treatment device according to claim 3, characterized in that: A plurality of pillars (14) are fixedly installed around the bottom end of the vacuum carburizing furnace (1).

5. A vacuum carburizing treatment device according to claim 4, characterized in that: A handle (15) is fixedly mounted on the top of the door (2).

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