CN219130763U

CN219130763U - Furnace frame for powder metallurgy powder pre-oxidation

Info

Publication number: CN219130763U
Application number: CN202223564437.7U
Authority: CN
Inventors: 张晓辉; 张世超; 罗瑞军
Original assignee: Foshan Tongbao Electrical Precision Alloy Co ltd
Current assignee: Foshan Tongbao Electrical Precision Alloy Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-06-06
Anticipated expiration: 2032-12-30

Abstract

The utility model discloses a furnace frame for powder metallurgy powder pre-oxidation, which comprises a first supporting bar, a second supporting bar, a third supporting bar, a supporting plate and a supporting plate supporting frame, wherein a plurality of horizontally arranged supporting plates are arranged in a layered manner, the lower end of each supporting plate is welded with the supporting plate supporting frame, and the edges of the supporting plate supporting frames are welded with the second supporting bar and the third supporting bar which are vertically arranged; the specific number of the second supporting bars is 3, the second supporting bars are uniformly distributed on the edge of the supporting plate supporting frame, and lifting hooks are arranged at the top ends of the second supporting bars; the bottom end of the lowest layer supporting plate supporting frame is welded with a first supporting bar which is vertically arranged, and the lower end of the first supporting bar is welded with a bottom plate; a top plate is welded above the uppermost layer supporting plate. The furnace frame for powder metallurgy powder pre-oxidation has the advantages of simple structure, ingenious design, high structural strength, difficult deformation at high temperature and capability of avoiding collision when entering and exiting a furnace mouth.

Description

Furnace frame for powder metallurgy powder pre-oxidation

Technical Field

The utility model relates to the field of powder metallurgy, in particular to a furnace frame for powder metallurgy powder pre-oxidation.

Background

Most of silver-based electrical contact materials used in the industry of the piezoelectric devices are produced by adopting a powder pre-oxidation process, and the powder pre-internal oxidation process is a relatively advanced process method for preparing the electrical contact materials. The method is widely used at home and abroad due to simple process, low cost and excellent contact performance.

The powder pre-oxidation method is to put the atomized alloy powder into equipment with oxygen introducing function for powder oxidation, and most of the powder oxidation is carried out in a well-type annealing furnace or a hot air circulation oven. The traditional method is that powder is put into a stainless steel basin and then put into a pit furnace or a hot air circulation oven for powder oxidation, because the hearth of the equipment is larger, in order to increase the powder treatment capacity of the equipment, the furnace frame is designed into a multi-layer structure, the total height of the furnace frame is higher, and after long-term high-temperature work, the furnace frame often has deformation phenomenon, and the service life is shorter; secondly, because the material frame is generally operated by adopting a lifting crane to enter and exit the furnace, the shaking phenomenon can occur in the lifting process because the height of the material frame is relatively high and relatively heavy, thereby easily touching the heating pipe of the furnace wall, causing equipment failure and increasing the maintenance cost of the equipment. Therefore, how to develop a novel furnace frame for powder metallurgy powder pre-oxidation is a problem to be solved by those skilled in the art.

Disclosure of Invention

The utility model aims to provide a furnace frame for powder metallurgy powder pre-oxidation, which solves the technical problems.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model relates to a furnace frame for powder metallurgy powder pre-oxidation, which comprises a first supporting bar, a second supporting bar, a third supporting bar, a supporting plate and a supporting plate supporting frame, wherein a plurality of horizontally arranged supporting plates are arranged in a layered manner, the lower end of each supporting plate is welded with the supporting plate supporting frame, and the edges of the supporting plate supporting frames are welded with the second supporting bar and the third supporting bar which are vertically arranged; the second supporting strips comprise a second supporting strip A, a second supporting strip B and a second supporting strip C, the second supporting strip A, the second supporting strip B and the second supporting strip C are uniformly distributed on the edge of the supporting plate supporting frame, and lifting hooks are arranged at the top ends of the second supporting strip A, the second supporting strip B and the second supporting strip C; the bottom end of the lowest layer supporting plate supporting frame is welded with a first supporting bar which is vertically arranged, and the lower end of the first supporting bar is welded with a bottom plate; a top plate is welded above the uppermost layer supporting plate.

Further, the third supporting bar comprises a third supporting bar A, a third supporting bar B, a third supporting bar C and a third supporting bar D, wherein the third supporting bar A and the third supporting bar B are arranged between the second supporting bar A and the second supporting bar B, and the third supporting bar C and the third supporting bar D are arranged between the second supporting bar B and the second supporting bar C.

Further, reinforcing plates which are obliquely arranged are welded between the second supporting strips, the third supporting strips and the first supporting strips.

Further, the radius of the bottom plate is smaller than that of the supporting plate, and a plurality of through holes are formed in the supporting plate.

Further, the area of the opening on the supporting plate is the same as the area of the bottom plate.

Further, the pallet support frame is internally provided with pallet support rods connected with the second support bars, and three pallet support rods enclose a triangle.

Further, the supporting plate supporting rod is connected with the supporting plate supporting frame through a supporting plate connecting rod.

Further, three supporting plate supporting rods are enclosed to form a triangle, and supporting plate reinforcing rods are welded in the triangle.

Compared with the prior art, the utility model has the beneficial technical effects that:

the furnace frame for powder metallurgy powder pre-oxidation adopts a multi-layer supporting plate design, and a plurality of through holes are formed in the supporting plate, so that the heat conduction and the oxygen circulation in a hearth are facilitated, and the oxidation effect of materials is improved; the bottom plate of the furnace frame for powder metallurgy powder pre-oxidation is designed to be smaller than the diameters of the supporting plates of other layers, the furnace frame is convenient to operate when being taken in and taken out of the furnace, collision can be avoided, and the maintenance cost of equipment is reduced. The furnace frame for powder metallurgy powder pre-oxidation adopts a triangular reinforcing rib design at a plurality of positions, is not easy to deform in a high-temperature state, and has long service life. In general, the furnace frame for powder metallurgy powder pre-oxidation has the advantages of simple structure, ingenious design, high structural strength, difficult deformation at high temperature and capability of avoiding collision when entering and exiting a furnace mouth.

Drawings

The utility model is further described with reference to the following description of the drawings:

FIG. 1 is an elevation view of a hob for powder metallurgy powder pre-oxidation according to the present utility model;

FIG. 2 is a top view of the pallet support;

fig. 3 is a top view of the pallet.

Reference numerals illustrate: 1. a first support bar; 2. a second support bar A; 3. a second support bar B; 4. a second support bar C; 5. a third support bar A; 6. a third support bar B; 7. a third support bar C; 8. a third support bar D; 9. a bottom plate; 10. a top plate; 11. a pallet support; 11-1, a pallet support bar; 11-2, a pallet connecting rod; 11-3, a supporting plate reinforcing rod; 12. a supporting plate; 13. a reinforcing plate; 14. and (5) a lifting hook.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model. It should be noted that the terms "first," "second," and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying a number of technical features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. The meaning of "a number" is one or more than one unless specifically defined otherwise.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

As shown in fig. 1 to 3, a hob for powder metallurgy powder pre-oxidation includes a first support bar 1, a second support bar, a third support bar, a pallet 12 and a pallet support frame 11.

The layer arrangement of the layer board 12 of several level setting, the lower extreme welding of layer board 12 has layer board support frame 11, the edge welding of layer board support frame 11 has second support bar and the third support bar of vertical setting.

The second support bar includes second support bar A2, second support bar B3 and second support bar C4, second support bar A2, second support bar B3 and second support bar C4 evenly distributed be in the edge of layer board support frame 11, the top of second support bar A2, second support bar B3 and second support bar C4 is provided with lifting hook 14.

The bottom of the lowest layer supporting plate supporting frame 11 is welded with a first supporting bar 1 which is vertically arranged, and the lower end of the first supporting bar 1 is welded with a bottom plate 9.

A top plate 10 is welded above the uppermost layer pallet 12.

The third support bar comprises a third support bar A5, a third support bar B6, a third support bar C7 and a third support bar D8, wherein the third support bar A5 and the third support bar B6 are arranged between the second support bar A2 and the second support bar B3, and the third support bar C7 and the third support bar D8 are arranged between the second support bar B3 and the second support bar C4. This layout design of the third support bar facilitates loading and unloading of the pallet 12.

Reinforcing plates 13 which are obliquely arranged are welded between the second supporting strips, the third supporting strips and the first supporting strips 1, so that triangular design is formed, and the structural strength of the equipment is enhanced.

The radius of the bottom plate 9 is smaller than that of the supporting plate 12, and a plurality of through holes are formed in the supporting plate 12. The perforated area of the pallet 12 is the same as the area of the base plate 9, and this design facilitates ventilation and heat transfer.

The bottom plate 9 and the top plate 10 are not provided with through holes, and materials are not placed.

The inside of the pallet support frame 11 is provided with pallet support rods 11-1 connected with the second support bars, and three pallet support rods 11-1 enclose a triangle. The pallet support rod 11-1 is connected with the pallet support frame 11 through a pallet connection rod 11-2. The three supporting plate supporting rods 11-1 are enclosed into a triangle, and the supporting plate reinforcing rods 11-3 are welded in the triangle.

The furnace frame for powder metallurgy powder pre-oxidation is made of high-temperature resistant stainless steel. The thickness of the bottom plate 9, top plate 10 and pallet 12 is 3mm. The size of the bottom plate 9 is phi 520mm, the sizes of the supporting plate 12 and the top plate 10 are phi 580mm, and the sizes of the through holes on the supporting plate 12 are phi 10mm. The first supporting bar 1, the second supporting bar and the third supporting bar are all made of flat steel with the thickness of 10mm. The pallet support frames 11 are all made of round steel with the dimension of phi 10mm.

The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.

Claims

1. A hob for powder metallurgy powder pre-oxidation, characterized in that: the novel support plate comprises a first support bar (1), a second support bar, a third support bar, a support plate (12) and a support plate support frame (11), wherein a plurality of horizontally arranged support plates (12) are arranged in a layered mode, the support plate support frame (11) is welded at the lower end of each support plate (12), and the second support bar and the third support bar which are vertically arranged are welded at the edge of each support plate support frame (11); the second support bar comprises a second support bar A (2), a second support bar B (3) and a second support bar C (4), wherein the second support bar A (2), the second support bar B (3) and the second support bar C (4) are uniformly distributed at the edge of the supporting plate supporting frame (11), and lifting hooks (14) are arranged at the top ends of the second support bar A (2), the second support bar B (3) and the second support bar C (4); the bottom end of the lowest layer of the supporting plate supporting frame (11) is welded with a first supporting bar (1) which is vertically arranged, and the lower end of the first supporting bar (1) is welded with a bottom plate (9); a top plate (10) is welded above the top layer of the supporting plate (12).

2. The hob for powder metallurgy powder pre-oxidation according to claim 1, characterized in that: the third support bar comprises a third support bar A (5), a third support bar B (6), a third support bar C (7) and a third support bar D (8), wherein the third support bar A (5) and the third support bar B (6) are arranged between the second support bar A (2) and the second support bar B (3), and the third support bar C (7) and the third support bar D (8) are arranged between the second support bar B (3) and the second support bar C (4).

3. A hob for powder metallurgy powder pre-oxidation according to claim 2, characterized in that: reinforcing plates (13) which are obliquely arranged are welded between the second supporting strips, the third supporting strips and the first supporting strips (1).

4. The hob for powder metallurgy powder pre-oxidation according to claim 1, characterized in that: the radius of the bottom plate (9) is smaller than that of the supporting plate (12), and a plurality of through holes are formed in the supporting plate (12).

5. The hob for powder metallurgy powder pre-oxidation according to claim 4, characterized in that: the area of the opening on the supporting plate (12) is the same as the area of the bottom plate (9).

6. The hob for powder metallurgy powder pre-oxidation according to claim 1, characterized in that: the inside of the pallet support frame (11) is provided with pallet support rods (11-1) connected with the second support bars, and three pallet support rods (11-1) enclose a triangle.

7. The hob for powder metallurgy powder pre-oxidation according to claim 6, characterized in that: the supporting plate supporting rod (11-1) is connected with the supporting plate supporting frame (11) through a supporting plate connecting rod (11-2).

8. The hob for powder metallurgy powder pre-oxidation according to claim 6, characterized in that: the three supporting plate supporting rods (11-1) are enclosed into a triangle, and supporting plate reinforcing rods (11-3) are welded in the triangle.