CN220400338U

CN220400338U - Auxiliary uniform sintering baffle

Info

Publication number: CN220400338U
Application number: CN202322042377.0U
Authority: CN
Inventors: 巩晟佑
Original assignee: Zibo Zhongling Electronic Co ltd
Current assignee: Zibo Zhongling Electronic Co ltd
Priority date: 2023-07-31
Filing date: 2023-07-31
Publication date: 2024-01-26
Anticipated expiration: 2033-07-31

Abstract

The utility model belongs to the technical field of electronic component manufacturing, and particularly relates to an auxiliary uniform sintering baffle plate which comprises a vertical plate, wherein a plurality of ventilation holes are formed in the vertical plate and are uniformly distributed, so that air flow can slowly pass through the ventilation holes, extension pipes are inserted into the ventilation holes, two ends of each extension pipe protrude out of the surface of the vertical plate, and the extension pipes can extend the purifying distance of the hearth atmosphere and uniformly conduct heat. The auxiliary uniform sintering baffle plate is arranged on the periphery of the resistor disc to be sintered, the resistor disc is surrounded in the resistor disc to enable air flow to slowly pass through, so that heat is uniformly conducted, the sintering temperature uniformity of the resistor disc is kept consistent, the atmosphere of a hearth is purified, the sintering effect of the resistor disc is improved, and the yield is improved; the utility model has simple structure, convenient use and low manufacturing cost.

Description

Auxiliary uniform sintering baffle

Technical Field

The utility model relates to an auxiliary uniform sintering baffle plate, and belongs to the technical field of electronic component manufacturing.

Background

In the preparation process of the zinc oxide varistor, high-temperature sintering is needed. The existing sintering process is to stack the formed zinc oxide varistor sheets into a stack, and then stack a plurality of stacks into a hearth for sintering, as shown in fig. 1. Because the stacked resistor sheets are more during sintering, the uniformity of the sintering temperature of the resistor sheets stacked on the outer side is inferior to that of the resistor sheets stacked on the inner side, and the resistor sheets on the outer side react with the hearth atmosphere, so that the pollution is larger, the electrical performance of the resistor sheets stacked on the outer side is poorer, and the defective rate is higher.

Disclosure of Invention

According to the defects in the prior art, the technical problems to be solved by the utility model are as follows: the auxiliary uniform sintering baffle plate is provided, so that the uniformity of the sintering temperature of the resistor disc is kept consistent, the pollution influence of the hearth atmosphere is reduced, and the yield is improved.

The auxiliary uniform sintering baffle plate comprises a vertical plate, wherein a plurality of vent holes are formed in the vertical plate, the vent holes can enable air flow to pass through slowly, extension pipes are inserted into the vent holes, two ends of each extension pipe protrude out of the surface of the vertical plate, and the extension pipes can extend the distance for purifying the hearth atmosphere and enable heat to be conducted uniformly.

According to the technical scheme, the baffle plate is arranged on the periphery of the resistor disc to be sintered, the resistor disc is surrounded in the resistor disc, and the baffle plate is provided with a plurality of vent holes, so that air flow can slowly pass through the baffle plate, heat is uniformly conducted, the sintering temperature uniformity of the resistor disc is kept consistent, and the hearth atmosphere is purified.

The inside of the extension pipe is provided with baffle plates, the baffle plates can change the passing direction of air flow, at least two baffle plates are arranged, two adjacent baffle plates are distributed in the extension pipe in a staggered way up and down, the baffle plates can prolong the passing time of the air flow, improve the temperature uniformity and further purify the hearth atmosphere.

Preferably, the two sides of the vertical plate are provided with a boss and a groove, the width and the depth of the boss are consistent with those of the groove, and a plurality of baffles can be assembled with the groove through the boss for use.

Further, a plurality of vent holes are uniformly distributed on the vertical plate.

The auxiliary uniform sintering baffle plate disclosed by the utility model is made of the same material as the sintered resistor sheet, and is manufactured by sintering after compression molding.

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

the auxiliary uniform sintering baffle plate is arranged on the periphery of the resistor disc to be sintered, the resistor disc is surrounded in the resistor disc to enable air flow to slowly pass through, so that heat is uniformly conducted, the sintering temperature uniformity of the resistor disc is kept consistent, the atmosphere of a hearth is purified, the sintering effect of the resistor disc is improved, and the yield is improved; the utility model has simple structure, convenient use and low manufacturing cost.

Drawings

FIG. 1 is a schematic view of the state of the art;

FIG. 2 is a schematic view of the operation of the present utility model;

FIG. 3 is a schematic diagram of the structure of the present utility model;

FIG. 4 is a front view of the present utility model;

fig. 5 is a cross-sectional view of the present utility model.

In the figure: 1. a furnace; 2. a resistor sheet; 3. a baffle; 31. a vertical plate; 32. an extension tube; 33. a baffle plate; 34. a boss; 35. a groove.

Detailed Description

The utility model will be further illustrated with reference to specific examples.

However, the description of the present utility model is merely an embodiment of a structural or even functional description, and the scope of the claims of the present utility model is not limited by the embodiments described herein.

For example, the embodiments may have various modifications and various forms, and it is to be understood that the scope of the claims of the present utility model includes equivalents capable of realizing the technical idea.

As shown in fig. 2 to 5, the present embodiment is realized by the following technical scheme: the furnace comprises a vertical plate 31, wherein a plurality of vent holes are formed in the vertical plate 31, the vent holes are uniformly distributed, air flow can slowly pass through the vent holes and uniformly conduct heat, and meanwhile, the air flow reacts with a baffle plate 3, so that the atmosphere of a furnace chamber 1 is purified; extension tube 32 is inserted in the vent hole, two ends of extension tube 32 protrude out of the surface of riser 31, and extension tube 32 prolongs the distance for purifying atmosphere.

In this embodiment, baffles 33 are disposed inside the extension pipe 32, at least two baffles 33 are disposed, and two adjacent baffles 33 are disposed in the extension pipe 32 in a staggered manner, where the baffles 33 are used to change the direction of the air flow passing through the extension pipe 32, so as to prolong the passing time of the air flow, make the heat more uniformly conducted, further improve the uniformity of temperature, and further purify the atmosphere of the furnace 1.

The two sides of the vertical plate 31 are provided with the boss 34 and the groove 35, the width and the depth of the boss are consistent with those of the groove, the boss of one baffle plate can be embedded into the groove of the other baffle plate, and then the baffle plates 3 are assembled for use, so that the baffle plates 3 are prevented from toppling when in use.

The auxiliary uniform sintering baffle plate is made of the same material as the sintered resistor disc 2, and can be manufactured by sintering the waste materials after compression molding, so that the material is convenient and the manufacturing cost is low.

Of course, the foregoing is merely preferred embodiments of the present utility model and is not to be construed as limiting the scope of the embodiments of the present utility model. The present utility model is not limited to the above examples, and those skilled in the art will appreciate that the present utility model is capable of equally varying and improving within the spirit and scope of the present utility model.

Claims

1. The utility model provides an auxiliary even sintering baffle, its characterized in that includes riser (31), is equipped with a plurality of air vents on riser (31), alternates in the air vent and sets up extension pipe (32), and the both ends protrusion of extension pipe (32) are in riser (31) surface.

2. The auxiliary uniform sintering baffle according to claim 1, wherein baffles (33) for changing the air flow passing direction are arranged in the extension pipe (32), the number of the baffles (33) is at least two, and two adjacent baffles (33) are distributed in the extension pipe (32) in a staggered manner.

3. The auxiliary uniform sintering baffle according to claim 1 or 2, wherein the two sides of the vertical plate (31) are provided with a boss (34) and a groove (35) for assembling the baffle plates (3), and the width and the depth of the boss (34) are consistent with those of the groove (35).

4. A secondary homogeneous sintering baffle according to claim 3, characterized in that the secondary homogeneous sintering baffle is of a material compatible with the material of the sintered resistor disc (2).

5. The auxiliary uniform sintering baffle according to claim 4, wherein the plurality of ventilation holes arranged on the vertical plate (31) are uniformly distributed.