Engine valve aging furnace

Abstract

The utility model discloses an engine valve aging furnace which comprises a furnace door on the outer side, and a furnace panel is arranged at the upper part of the furnace door; a silicon carbide rod and a thermocouple are downwards arranged at the upper part of the aging furnace; a workpiece inlet is downwards formed in the upper part of the aging furnace; the upper part of the aging furnace is downwards connected with a baffle through an arranged pull rod; a furnace shell is arranged on the outer side of the aging furnace; the aging furnace is of a hollow hearth structure, and a furnace bottom plate is arranged at the lower part of the hearth; and a material frame is arranged at the upper part of the furnace bottom plate. The effects that the service life of equipment is long, workpieces are not prone to falling off, and stability is high are achieved.

Description

Technical Field

[0001] The utility model belongs to the field of heating equipment, and in particular relates to an engine valve aging furnace. Background Art

[0002] The engine valve is one of the important parts of the automobile engine. The function of the valve is to input air into the engine and discharge the exhaust gas after combustion. From the perspective of engine structure, it is divided into intake valve and exhaust valve. The function of the intake valve is to inhale air into the engine and mix it with fuel for combustion; the function of the exhaust valve is to discharge the exhaust gas after combustion and dissipate heat. With the development of high-load and high-performance engines, higher requirements are placed on valve materials. In order to enable the valve material to achieve ideal performance under high temperature conditions and maintain a stable internal microstructure, heat treatment processes are used in the valve manufacturing process to regulate the material structure and performance. In particular, for high-temperature alloy valves, solid solution and aging heat treatment processes are usually used, and the heat treatment factors that affect the grain size of high-temperature alloy valves mainly come from the heat treatment process.

[0003] At present, the aging heat treatment process of engine valves is carried out in an aging furnace. The existing aging furnace or similar heat treatment equipment uses a resistance wire as the heating element. The resistance wire is wound into a spiral and coiled on the two side walls of refractory bricks, and heated by the resistance wire. However, the heating element of this aging furnace is easy to melt, has a very short life, and the workpiece is easy to fall on the heating element to cause a short circuit, especially the valve itself is not large and is more likely to fall. In addition, the existing equipment itself is not stable, the production efficiency and yield are low, and the temperature of the outer wall of the equipment is high, the energy consumption is large, and it is easy to burn people. Utility Model Content

[0004] The utility model provides an engine valve aging furnace. The use of the equipment can solve the disadvantages of the above-mentioned prior art and achieve the effects of long service life of the equipment, workpieces not being easy to fall off and high stability.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an engine valve aging furnace, comprising an outer furnace door, a furnace panel is arranged on the upper part of the furnace door; silicon carbon rods and thermocouples are arranged downward from the upper part of the aging furnace; a workpiece inlet is also arranged downward from the upper part of the aging furnace; a baffle is connected downward from the upper part of the aging furnace through a set pull rod; a furnace shell is arranged on the outer side of the aging furnace; the interior of the aging furnace is a hollow furnace structure, a furnace bottom plate is arranged at the lower part of the furnace; a material frame is arranged at the upper part of the furnace bottom plate.

[0006] Preferably, a plurality of silicon carbon rods are arranged on the aging furnace and arranged on both sides of the aging furnace body.

[0007] Preferably, the silicon carbon rod is arranged on an insulating plate at the upper part of the aging furnace, and a protective cover is arranged on the upper part of the silicon carbon rod.

[0008] Preferably, two workpiece inlets are provided.

[0009] Preferably, a sleeve for protection is arranged on the outer side of the pull rod.

[0010] Preferably, a furnace lining is provided inside the furnace shell.

[0011] Preferably, a plurality of lifting lugs for lifting are provided on the upper portion of the aging furnace.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The heating equipment of silicon carbon rod can be used for a long time, and the service life is greatly improved;

[0014] 2. By setting a baffle in the aging furnace, the valve of the workpiece is not easy to fall off, and the production stability is high;

[0015] 3. The equipment has good thermal insulation performance, reduces heat loss, and makes the equipment safer and more reliable;

[0016] Other features and advantages of the present disclosure will become apparent from the following detailed description of exemplary embodiments of the present disclosure with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure or related technologies, the drawings required for use in the embodiments or related technical descriptions will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present disclosure. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0018] Figure 1 This is a front sectional view of the aging furnace of the utility model;

[0019] Figure 2 This is a side half-section view of the aging furnace of the utility model;

[0020] In the figure: 1. furnace door, 2. furnace panel, 3. lifting ear, 4. silicon carbon rod, 5. thermocouple, 6. workpiece entrance, 7. pull rod, 8. baffle, 9. furnace shell, 10. furnace lining, 11. insulating board, 12. sleeve, 13. protective cover, 14. material frame, 15. furnace bottom plate. DETAILED DESCRIPTION

[0021] 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. The following description of at least one exemplary embodiment is actually only illustrative and is by no means a limitation on the utility model and its application or use. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0022] Unless otherwise specifically stated, the relative arrangement, numerical expressions and numerical values ​​of the parts and steps described in these embodiments do not limit the scope of the utility model. At the same time, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to the actual proportional relationship. The technology, methods and equipment known to ordinary technicians in the relevant field may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be regarded as a part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once a certain item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0023] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0024] See also Figure 1 and 2The utility model provides a technical solution: an engine valve aging furnace, comprising an outer furnace door 1, a furnace panel 2 is arranged on the upper part of the furnace door 1; a silicon carbon rod 4 and a thermocouple 5 are arranged downward from the upper part of the aging furnace; a workpiece inlet 6 is also arranged downward from the upper part of the aging furnace; a baffle 8 is connected downward from the upper part of the aging furnace through a pull rod 7; a furnace shell 9 is arranged on the outer side of the aging furnace; the interior of the aging furnace is a hollow furnace structure, and a furnace bottom plate 15 is arranged at the lower part of the furnace; a material frame 14 is arranged on the upper part of the furnace bottom plate 15.

[0025] A plurality of silicon carbon rods 4 are arranged on the aging furnace and arranged on both sides of the aging furnace body. The silicon carbon rods 4 are arranged on the insulating plate 11 on the upper part of the aging furnace, and a protective cover 13 is arranged on the upper part of the silicon carbon rods 4. Two workpiece inlets 6 are arranged. A sleeve 12 for protection is arranged on the outer side of the pull rod 7. A furnace lining 10 is arranged on the inner side of the furnace shell 9. A plurality of lifting ears 3 for lifting are arranged on the upper part of the aging furnace.

[0026] The aging furnace of the utility model is mainly used for aging treatment of engine valves. The equipment is mainly composed of a furnace door 1, a furnace shell 9, a furnace lining 10, a heating element silicon carbon rod 4, a baffle 8 made of stainless steel, a material frame 14, a furnace bottom plate 15, a thermocouple 5 and a protective cover 13. The heating element is a plurality of silicon carbon rods 4, which are installed on both sides of the furnace body. The silicon carbon rods 4 are fixed on the insulating plate 11 at the top of the furnace body, and a protective cover 13 is provided on it; a furnace door 1 is installed at the front and back of the furnace body, and a material frame 14 can be placed in each of them. The material frame 14 can slide on the furnace bottom plate 15. There are two workpiece inlets 6 on the material frame 14, and the valve can be placed in the material frame 14 from the inlet 6 for heating; the baffle 8 in the furnace is fixed on the furnace top by a pull rod 7 and the sleeve 12 above, and the sleeve is fixed with bolts, and the depth of the baffle 8 in the furnace can be adjusted by adjusting the bolts.

[0027] Although the 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. An engine valve aging furnace, comprising an outer furnace door (1), characterized in that: A furnace panel (2) is arranged on the upper part of the furnace door (1); silicon carbon rods (4) and thermocouples (5) are arranged downward from the upper part of the aging furnace; a workpiece inlet (6) is also arranged downward from the upper part of the aging furnace; a baffle (8) is connected downward from the upper part of the aging furnace through a pull rod (7); a furnace shell (9) is arranged on the outer side of the aging furnace; the interior of the aging furnace is a hollow furnace structure, and a furnace bottom plate (15) is arranged at the lower part of the furnace; a material frame (14) is arranged on the upper part of the furnace bottom plate (15).

2. The engine valve aging furnace according to claim 1, characterized in that: A plurality of silicon carbon rods (4) are arranged on the aging furnace and are arranged on both sides of the aging furnace body.

3. An engine valve aging furnace according to claim 1 or 2, characterized in that: The silicon carbon rod (4) is arranged on an insulating plate (11) at the top of the aging furnace, and a protective cover (13) is arranged on the top of the silicon carbon rod (4).

4. The engine valve aging furnace according to claim 1, characterized in that: There are two workpiece inlets (6).

5. The engine valve aging furnace according to claim 1, characterized in that: A sleeve (12) for protection is arranged on the outside of the pull rod (7).

6. The engine valve aging furnace according to claim 1, characterized in that: A furnace lining (10) is arranged inside the furnace shell (9).

7. The engine valve aging furnace according to claim 1, characterized in that: A plurality of lifting lugs (3) for lifting are arranged on the upper part of the aging furnace.

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