Tempering furnace for powder metallurgy processing

Abstract

The utility model provides a tempering furnace for powder metallurgy processing, and belongs to the technical field of tempering furnaces. According to the technical scheme, the furnace comprises a furnace body and a bottom plate, the furnace body is arranged at the top of the bottom plate, a tempering cavity is formed in the furnace body, multiple sets of heating lamps are arranged in the tempering cavity, a containing assembly is arranged above the bottom plate, a mounting plate is arranged below the bottom plate, a rotating assembly is arranged on the mounting plate, and a connecting hole is formed in the top of the bottom plate; the connecting shaft penetrates through the connecting hole to be connected with the containing assembly. Through the arrangement of the placing assembly, multiple sets of workpieces can be placed on the first placing plate and the second placing plate, and the first placing plate and the second placing plate are connected through the detachable connecting support, so that the placing assembly can be adjusted and replaced according to the sizes and shapes of different workpieces; and the problem that a traditional tempering furnace can only conduct tempering machining on one workpiece is solved, and the applicability of the tempering furnace is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of tempering furnaces, and more specifically, particularly relates to a tempering furnace for powder metallurgy processing. Background Art

[0002] Powder metallurgy is a technology that uses metal powder as raw material to manufacture metal products through processes such as pressing and sintering. In the powder metallurgy process, tempering is an important link, which can improve the strength, toughness and wear resistance of the product. Therefore, the tempering furnace is one of the most important equipment in powder metallurgy processing.

[0003] For example, the Chinese utility model patent with patent number 202120206019.7 provides a tempering device for powder metallurgy, which includes a tempering furnace body, a first rotating shaft, a sealing plate, a slot and an insert plate. When in use, the sealing plate is moved toward the inside of the tempering furnace body by rotating the first rotating shaft until the slot at one end of the sealing plate is connected to the insert plate in the tempering furnace body, so that the tempering temperature is maintained, thereby improving the efficiency of powder metallurgy tempering; however, when traditional tempering furnaces process workpieces, the number of workpieces processed in a single batch is small, and workpieces cannot be processed in batches, resulting in relatively low production efficiency of the tempering furnace. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a tempering furnace for powder metallurgy processing to solve the technical problem in the prior art that traditional tempering furnaces cannot process workpieces in batches, resulting in low production efficiency of the tempering furnaces.

[0005] The purpose and effect of the tempering furnace for powder metallurgy processing of the utility model are achieved by the following specific technical means:

[0006] A tempering furnace for powder metallurgy processing includes a furnace body and a base plate, the furnace body is arranged on the top of the base plate, a tempering chamber is arranged in the furnace body, a plurality of heating lamps are arranged in the tempering chamber, a placement component is arranged above the base plate, a mounting plate is arranged below the base plate, a rotating component is arranged on the mounting plate, a connecting hole is opened on the top of the base plate, the rotating component includes a connecting shaft, and the connecting shaft passes through the connecting hole to be connected with the placement component.

[0007] According to a preferred embodiment, the placement assembly includes a first placement plate, the first placement plate is arranged on the top of the connecting shaft, two groups of fixing grooves are opened on the top of the first placement plate, and detachable connecting brackets are arranged in the two groups of fixing grooves, and the bottom of the second placement plate is fixedly connected to the two groups of connecting brackets.

[0008] According to a preferred embodiment, two groups of first heat-resistant anti-slip pads are arranged on the top of the first placement plate, and a second heat-resistant anti-slip pad is arranged on the top of the second placement plate. The second placement plate and the top of the second heat-resistant anti-slip pad are provided with multiple groups of through holes correspondingly, and a through groove is provided on one side of the two groups of connecting brackets.

[0009] According to a preferred embodiment, multiple groups of support columns are arranged at the bottom of the base plate, the peripheral side of the mounting plate is fixedly connected to the multiple groups of support columns, a mounting seat is arranged at the top of the mounting plate, a groove is arranged at the top of the mounting seat, and a bearing is arranged in the groove.

[0010] According to a preferred embodiment, a retaining ring is provided on the connecting shaft, the retaining ring is clamped on the top of the bearing, a heat insulation kit is provided in the connecting hole, and the connecting shaft passes through the heat insulation kit.

[0011] According to a preferred embodiment, the rotating assembly also includes a rotating motor, the rotating motor is arranged at the bottom of the mounting plate, a through hole is opened at the top of the mounting plate, the main shaft of the rotating motor passes through the through hole and is connected to the connecting shaft, and a protective cover is arranged around the rotating motor.

[0012] According to a preferred embodiment, a plurality of mounting brackets are arranged on the inner wall of the tempering chamber, and the plurality of heating lamps are respectively arranged on the plurality of mounting brackets. An observation port is opened on one side of the tempering chamber, and heat-resistant glass is arranged in the observation port.

[0013] According to a preferred embodiment, a through groove is opened on one side of the furnace body, a switchable door panel is arranged in the through groove, and a heat-insulating handle is arranged on the door panel.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. Through the setting of the placement component, when using the tempering furnace, multiple groups of workpieces can be placed on the first placement plate and the second placement plate. The first placement plate and the second placement plate are connected by a detachable connecting bracket, so that they can be adjusted and replaced according to different workpiece sizes and shapes, which solves the problem that the traditional tempering furnace can only temper one workpiece and improves the applicability of the tempering furnace; through the first heat-resistant anti-skid pad and the second heat-resistant anti-skid pad, the placement stability of the workpiece can be improved, and at the same time, the workpiece can be prevented from shifting during the tempering process, thereby ensuring the quality of the tempering treatment.

[0016] 2. Through the setting of the rotating component, the rotation treatment of the workpiece to be tempered is realized, thereby improving the uniformity and efficiency of tempering; when using the tempering furnace, the rotating motor can be started, and the rotating motor can drive the placement component to rotate through the connecting shaft. During the tempering process, by driving the placement component to rotate, the object can be heated evenly on multiple sides; compared with the traditional static tempering method, the rotating method can enable the workpieces at various parts to achieve uniform heat exchange in the tempering chamber, thereby absorbing heat more fully and performing tempering treatment more evenly, which can effectively improve the quality and efficiency of tempering.

[0017] 3. Through the setting of multiple groups of heating lamps, when using the tempering furnace, by evenly arranging multiple groups of heating lamps at different positions in the tempering chamber, all parts of the workpiece can be evenly heated during the rotation process, better meeting the tempering temperature requirements of different parts; at the same time, the tempering furnace is also equipped with multiple groups of support columns to enhance the stability of the overall structure; this enables the tempering furnace to maintain a long-term stable and reliable working state even under high temperature and high load working conditions. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of a tempering furnace for powder metallurgy processing according to the utility model;

[0019] Figure 2 This is an exploded view of a tempering furnace for powder metallurgy processing according to the utility model;

[0020] Figure 3 This is a schematic diagram of the structure after assembling components placed in a tempering furnace for powder metallurgy processing of the utility model;

[0021] Figure 4 for Figure 3 Schematic diagram of the structure after splitting;

[0022] Figure 5 This is a schematic diagram of the structure of a rotating assembly in a tempering furnace for powder metallurgy processing according to the utility model after assembly;

[0023] Figure 6 for Figure 5 Schematic diagram of the structure after decomposition.

[0024] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:

[0025] 11. Furnace body; 12. Bottom plate; 13. Tempering chamber; 14. Heating lamp; 15. Mounting plate; 16. Connecting hole; 17. Support column; 21. First placement plate; 22. Fixing groove; 23. Connecting bracket; 24. Second placement plate; 25. First heat-resistant anti-skid pad; 26. Second heat-resistant anti-skid pad; 31. Connecting shaft; 32. Mounting seat; 33. Bearing; 34. Snap ring; 35. Insulation kit; 36. Rotating motor; 37. Protective cover; 41. Mounting bracket; 42. Observation port; 43. Heat-resistant glass; 44. Door panel; 45. Insulation handle. DETAILED DESCRIPTION

[0026] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0027] Example:

[0028] As attached Figure 1 To Attachment Figure 6 As shown:

[0029] The utility model provides a tempering furnace for powder metallurgy processing, comprising a furnace body 11 and a bottom plate 12, wherein the furnace body 11 is arranged on the top of the bottom plate 12 to form a closed tempering chamber 13, wherein a plurality of groups of heating lamps 14 are evenly arranged in the tempering chamber 13, and the plurality of groups of heating lamps 14 are responsible for providing uniform high temperature for objects that need to be tempered; a placement component is arranged above the bottom plate 12, and the placement component is responsible for carrying and fixing the objects that need to be tempered; a mounting plate 15 is arranged below the bottom plate 12, and a rotating component is arranged on the mounting plate 15, and the rotating component comprises a connecting shaft 31, and the connecting shaft 31 passes through a connecting hole 16 and is connected to the placement component, so that the rotating component can drive the placement component to perform a rotational motion, and the object rotates in the tempering chamber 13 together with the placement component, thereby achieving the purpose of uniform heating of each surface.

[0030] Please refer to Figure 2 , Figure 3 and Figure 4As shown, the placement component includes a first placement plate 21, and the first placement plate 21 is arranged on the top of the connecting shaft 31. Two groups of fixing grooves 22 are opened on the top of the first placement plate 21, and a detachable connecting bracket 23 is arranged in each of the two groups of fixing grooves 22. The connecting bracket 23 is fixedly connected in the fixing groove 22 for fixing the second placement plate 24. The bottom of the second placement plate 24 is fixedly connected to the top of the first placement plate 21 through the connecting bracket 23. Through this structural design, the second placement plate 24 can be stably fixed on the top of the first placement plate 21, and the first placement plate 21 is fixed on the rotating component through the connecting shaft 31. Therefore, the second placement plate 24 can be stably rotated with the rotating component to achieve the purpose of uniform tempering. The detachable connecting bracket 23 facilitates the assembly and disassembly between the two. It is also very convenient to replace the second placement plates 24 of different specifications, which can realize the tempering treatment of objects of different shapes or specifications.

[0031] Please refer to Figure 3 and Figure 4 As shown, in order to prevent the object from sliding under high temperature and causing position displacement, two groups of first heat-resistant anti-skid pads 25 are arranged on the top of the first placement plate 21, which can prevent the object from sliding on the surface of the first placement plate 21, and a second heat-resistant anti-skid pad 26 is also arranged on the top of the second placement plate 24; in order to allow the high temperature to be evenly transmitted to the surface of the object, a plurality of groups of through holes are correspondingly opened on the top of the second placement plate 24, which can allow the high temperature to be transmitted to the surface of the object under the second placement plate 24 through the through holes; through slots are opened on one side of the two groups of connecting brackets 23. This allows the high temperature to be transmitted from the first placement plate 21 to the second placement plate 24 through the through slots, and finally the object is evenly heated.

[0032] Please refer to Figure 2 , Figure 5 and Figure 6 As shown, a plurality of groups of support columns 17 are arranged at the bottom of the base plate 12, and these support columns 17 play the role of supporting the entire tempering equipment; the peripheral side of the mounting plate 15 is fixedly connected to the plurality of support columns 17, and a mounting seat 32 is arranged at the top of the mounting plate 15, and a groove is arranged at the top of the mounting seat 32, and a bearing 33 is arranged in the groove, and the bearing 33 can reduce the friction between the connecting shaft 31 and the mounting seat 32 to ensure smooth rotation.

[0033] Please refer to Figure 5 and Figure 6As shown, a snap ring 34 is provided on the connecting shaft 31. In order to fix the connection between the connecting shaft 31 and the lower mounting seat 32, a snap ring 34 is provided on the connecting shaft 31. The snap ring 34 is clamped on the top of the bearing 33 to firmly fix the connecting shaft 31 on the bearing 33 and the mounting seat 32. Considering that the tempering furnace will generate a high temperature during operation, a heat insulation kit 35 is provided in the connecting hole 16. The heat insulation kit 35 plays a role of heat insulation, which can prevent high heat from being directly transmitted to the lower component through the connecting shaft 31, and can also reduce the direct contact between the connecting shaft 31 and the connecting hole 16, thereby playing a role of buffering and vibration reduction.

[0034] Please refer to Figure 6 As shown, the rotating assembly also includes a rotating motor 36. The rotating motor 36 is arranged at the bottom of the mounting plate 15. At the same time, in order to transmit power, a through hole is opened at the top of the mounting plate 15; through this through hole, the main shaft of the rotating motor 36 can be extended upward and directly connected to the upper connecting shaft 31, so that the connecting shaft 31 can be driven to rotate as long as the rotating motor 36 is started; considering that the motor may generate heat and rotating parts when working, in order to ensure personal safety, the designer arranges a protective cover 37 on the side of the rotating motor 36; the protective cover 37 can prevent personal parts from accidentally contacting the motor or rotating parts, thereby playing a role of safety protection.

[0035] Please refer to Figure 2 As shown, in order to stably install multiple groups of heating lamps 14 for uniform heating, multiple groups of mounting brackets 41 are arranged on the inner wall of the tempering chamber 13, and the multiple groups of heating lamps 14 are respectively arranged on the multiple groups of mounting brackets 41, so that the heating lamps 14 can be evenly distributed on the inner wall surface of the tempering chamber 13 according to a preset layout, thereby achieving uniform heating inside the tempering chamber 13; at the same time, in order to facilitate the observation of the tempering process, an observation port 42 is opened on one side of the tempering chamber 13, and a heat-resistant glass 43 is arranged in the observation port 42, so that the situation in the tempering chamber 13 can be observed in a heat-proof and protected manner without affecting the vacuum degree in the tempering chamber 13; in addition, in order to facilitate loading and unloading of articles, a through groove is opened on one side of the furnace body 11, and a switchable door panel 44 is arranged in the through groove. Considering the high-temperature working environment, a heat-insulating handle 45 is also arranged on the door panel 44 to prevent direct contact with high-temperature components and cause personal injury.

[0036] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A tempering furnace for powder metallurgy processing, characterized in that: The invention comprises a furnace body (11) and a bottom plate (12), wherein the furnace body (11) is arranged on the top of the bottom plate (12), a tempering chamber (13) is arranged in the furnace body (11), a plurality of heating lamps (14) are arranged in the tempering chamber (13), a placement component is arranged above the bottom plate (12), a mounting plate (15) is arranged below the bottom plate (12), a rotating component is arranged on the mounting plate (15), a connecting hole (16) is opened at the top of the bottom plate (12), the rotating component comprises a connecting shaft (31), and the connecting shaft (31) passes through the connecting hole (16) and is connected to the placement component.

2. A tempering furnace for powder metallurgy processing as claimed in claim 1, characterized in that: The placement assembly comprises a first placement plate (21), the first placement plate (21) is arranged on the top of the connecting shaft (31), two groups of fixing grooves (22) are opened on the top of the first placement plate (21), and detachable connecting brackets (23) are arranged in the two groups of fixing grooves (22), and the bottom of the second placement plate (24) is fixedly connected to the two groups of connecting brackets (23).

3. A tempering furnace for powder metallurgy processing as claimed in claim 2, characterized in that: Two groups of first heat-resistant anti-skid pads (25) are arranged on the top of the first placement plate (21), and a second heat-resistant anti-skid pad (26) is arranged on the top of the second placement plate (24). The second placement plate (24) and the second heat-resistant anti-skid pad (26) are provided with a plurality of groups of through holes at the top thereof, and a through groove is provided on one side of the two groups of connection brackets (23).

4. A tempering furnace for powder metallurgy processing as claimed in claim 1, characterized in that: A plurality of groups of support columns (17) are arranged at the bottom of the base plate (12); the peripheral side of the mounting plate (15) is fixedly connected to the plurality of groups of support columns (17); a mounting seat (32) is arranged at the top of the mounting plate (15); a groove is arranged at the top of the mounting seat (32); a bearing (33) is arranged in the groove.

5. A tempering furnace for powder metallurgy processing as claimed in claim 4, characterized in that: A snap ring (34) is provided on the connecting shaft (31), and the snap ring (34) is clamped on the top of the bearing (33). A heat insulation kit (35) is provided in the connecting hole (16), and the connecting shaft (31) is inserted into the heat insulation kit (35).

6. A tempering furnace for powder metallurgy processing as claimed in claim 5, characterized in that: The rotating assembly also includes a rotating motor (36). The rotating motor (36) is arranged at the bottom of the mounting plate (15). A through hole is opened at the top of the mounting plate (15). The main shaft of the rotating motor (36) passes through the through hole and is connected to the connecting shaft (31). A protective cover (37) is arranged on the peripheral side of the rotating motor (36).

7. A tempering furnace for powder metallurgy processing as claimed in claim 1, characterized in that: A plurality of mounting brackets (41) are arranged on the inner wall of the tempering chamber (13), and a plurality of heating lamps (14) are respectively arranged on the plurality of mounting brackets (41). An observation port (42) is provided on one side of the tempering chamber (13), and heat-resistant glass (43) is arranged in the observation port (42).

8. A tempering furnace for powder metallurgy processing as claimed in claim 7, characterized in that: A through slot is provided on one side of the furnace body (11), a door panel (44) that can be opened and closed is arranged in the through slot, and a heat-insulating handle (45) is arranged on the door panel (44).

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