CN220583113U - Ring-shaped piezoelectric ceramic silver firing device - Google Patents
Ring-shaped piezoelectric ceramic silver firing device Download PDFInfo
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- CN220583113U CN220583113U CN202322274087.9U CN202322274087U CN220583113U CN 220583113 U CN220583113 U CN 220583113U CN 202322274087 U CN202322274087 U CN 202322274087U CN 220583113 U CN220583113 U CN 220583113U
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- piezoelectric ceramic
- silver
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- plates
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- 239000000919 ceramic Substances 0.000 title claims abstract description 56
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 title claims abstract description 39
- 229910052709 silver Inorganic materials 0.000 title claims abstract description 39
- 239000004332 silver Substances 0.000 title claims abstract description 39
- 238000010304 firing Methods 0.000 title claims abstract description 26
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 230000002146 bilateral effect Effects 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005245 sintering Methods 0.000 description 3
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 238000001465 metallisation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
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Abstract
The utility model discloses a circular piezoelectric ceramic silver burning device, which at least comprises two side plates which are symmetrically arranged left and right, wherein an opening area is formed in the center of each side plate, a group of lower locating grooves are formed in the bottom of each opening area along the extending direction of each side plate, a group of locating rods are arranged between the two side plates, two ends of each locating rod are respectively clamped in one lower locating groove, a group of circular piezoelectric ceramic plates uniformly penetrate through the locating rods, and the piezoelectric ceramic plates are arranged in a suspending mode at intervals. According to the utility model, the positioning rod is supported by the side plates, and the annular piezoelectric ceramic plates are penetrated on the positioning rod at intervals, so that the piezoelectric ceramic plates are suspended, the uniformity of heating of the piezoelectric ceramic plates and the integrity of the surface silver layer are ensured to the greatest extent, and the yield of the piezoelectric ceramic plates after silver firing is ensured.
Description
Technical Field
The utility model relates to the technical field of silver burning tools, in particular to a circular piezoelectric ceramic silver burning device.
Background
The preparation of the piezoelectric ceramic needs metallization, and the surface of the piezoelectric ceramic is mainly coated with silver in a screen printing mode in the current production flow of metallization, and then is surface-dried in the environment of 120-150 ℃ and then burned in the environment of 650-800 ℃. The silver burning mode adopted at present is to spread the surface-dried pressed ceramic on a burning plate and burn silver in the environment of 650-800 ℃. The silver firing temperature has great influence on the finished product of the silver layer, and if the silver firing temperature is too low, the silver firing is unfinished, and the silver layer has dark color; if the silver firing temperature is too high, the silver paste is easily volatilized seriously, and the surface of the silver layer is rough. And in the process of firing silver, the surfaces of the silver layers cannot be in direct contact, otherwise, the two silver surfaces can be stuck, and the appearance of the pressed ceramic silver surfaces is influenced and even scrapped. However, in the existing device, the pressed ceramic is directly paved on the firing plate, so that the upper part and the lower part of the pressed ceramic can be contacted with the firing plate, the surfaces of the upper silver layer and the lower silver layer are heated unevenly, the quality of the silver layer is further reduced, and the requirement of mass production of the piezoelectric ceramic element cannot be met.
As disclosed in the publication CN212655709U, the support body of the ceramic laminate may be clamped to erect the ceramic laminate, but the bottom of the support body still needs to be provided with a setter plate to perform multi-layer lamination, which makes the ceramic laminate still have a part of contact with the setter plate, so that the silver layer is heated unevenly. Meanwhile, the frame body is used for clamping the pressed ceramics, so that the position of the frame body is fixed, the frame body can be only matched with the pressed ceramics with one specification, the pressed ceramics with different specifications need to be prepared into the tooling again, and the use is not flexible.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provides a circular piezoelectric ceramic silver burning device.
The aim of the utility model is achieved by the following technical scheme:
the utility model provides a ring form piezoceramics burns silver device, includes two bilateral symmetry sets up's curb plate at least, the center of curb plate has the opening district, the bottom of opening district is provided with a set of constant head tank down along its extending direction, two set up a set of locating rod between the curb plate, the both ends of locating rod are blocked respectively and are located one down in the constant head tank, evenly wear to be equipped with a set of ring form piezoceramics piece on the locating rod, piezoceramics piece two by two interval and unsettled setting.
Preferably, a group of upper positioning grooves are formed in the top of the side plates along the extending direction of the side plates, so that a group of positioning rods are also arranged on the top between the two side plates.
Preferably, the upper positioning groove and the lower positioning groove are both arc-shaped, and the depth of the upper positioning groove is greater than that of the lower positioning groove.
Preferably, the upper positioning grooves and the lower positioning grooves are staggered in the vertical direction.
Preferably, a group of protruding ribs are uniformly distributed on the positioning rod at intervals, the outer diameter of each protruding rib is smaller than the inner diameter of the axis of the piezoelectric ceramic plate, and a limiting groove for limiting the position of the piezoelectric ceramic plate is formed between every two protruding ribs.
Preferably, the tops of the two ends of the side plates are plane, and the side plates can be overlapped.
Preferably, the side plates and the positioning rods are made of high-temperature resistant materials.
The beneficial effects of the utility model are mainly as follows:
1. the positioning rod is supported through the side plate, the annular piezoelectric ceramic plates are arranged on the positioning rod in a penetrating way at intervals, so that the piezoelectric ceramic plates are arranged in a suspending way, the uniformity of heating of the piezoelectric ceramic plates and the integrity of the surface silver layer are ensured to the greatest extent, and the yield of the piezoelectric ceramic plates after silver firing is ensured;
2. the outer diameter of the positioning rod is smaller than that of the piezoelectric ceramic plates, so that the piezoelectric ceramic plates with different specifications can be arranged on the positioning rod in a penetrating way, and the positioning rod has great use flexibility;
3. the side plates can be stacked in multiple layers to improve the production efficiency and meet the requirement of mass production.
Drawings
The technical scheme of the utility model is further described below with reference to the accompanying drawings:
fig. 1: schematic diagram of side plate in the embodiment of the utility model;
fig. 2: schematic diagram of positioning rod in the embodiment of the utility model;
fig. 3: schematic diagrams of embodiments of the present utility model;
fig. 4: in the embodiment of the utility model, the positioning rod is penetrated with a schematic diagram of the piezoelectric ceramic plate.
Detailed Description
The present utility model will be described in detail below with reference to specific embodiments shown in the drawings. The embodiments are not limited to the present utility model, and structural, methodological, or functional modifications of the utility model from those skilled in the art are included within the scope of the utility model.
In the description of the embodiments, it should be noted that the positional or positional relationship indicated by the terms such as "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in the specific orientation, and thus are not to be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the scheme, the direction approaching the operator is the near end, and the direction separating from the operator is the far end, with reference to the operator.
As shown in fig. 1 to 4, the utility model discloses a ring-shaped piezoelectric ceramic silver-firing device, which at least comprises two side plates 1 which are symmetrically arranged left and right, wherein an opening area 103 is arranged in the center of each side plate 1, a group of lower positioning grooves 102 are arranged at the bottom of each opening area 103 along the extending direction of each side plate, a group of positioning rods 2 are arranged between the two side plates 1, two ends of each positioning rod 2 are respectively clamped in one lower positioning groove 102, a group of ring-shaped piezoelectric ceramic plates 3 uniformly penetrate through each positioning rod 2, and the piezoelectric ceramic plates 3 are arranged at intervals in a hanging manner.
The opening area 103 enables the positioning rod 2 to be arranged in a suspended mode, so that the piezoelectric ceramic plate 3 penetrating through the positioning rod 2 is arranged in a suspended mode, the positioning rod 2 supports the axis of the piezoelectric ceramic plate 3, the piezoelectric ceramic plate 3 does not need other parts to support the piezoelectric ceramic plate, and the integrity and the heated uniformity of a silver layer on the surface of the piezoelectric ceramic plate 3 can be guaranteed to the greatest extent.
Further, a set of upper positioning grooves 101 are formed in the top of the side plate 1 along the extending direction thereof, so that a set of positioning bars 2 are also arranged on the top between the two side plates 1. The upper positioning groove 101 is used for positioning the end of the positioning rod 2, as is the lower positioning groove 102.
In a preferred embodiment, the upper positioning groove 101 and the lower positioning groove 102 are both circular arc-shaped to be matched with the circular end of the positioning rod 2. In other possible embodiments, the upper positioning groove 101 and the lower positioning groove 102 may be in other possible shapes. Further, the depth of the upper positioning groove 101 is greater than that of the lower positioning groove 102, so that the end portion of the positioning rod 2 is not protruded outside the top of the side plate 1 when being clamped in the upper positioning groove 101, thereby facilitating stacking of the side plate 1.
As shown in fig. 1, the upper positioning grooves 101 and the lower positioning grooves 102 are staggered in the vertical direction, so that the positioning rods 2 on the upper layer and the lower layer are staggered, and mutual interference of the piezoelectric ceramic plates 3 on the upper layer and the lower layer is avoided. The upper positioning grooves 101 and the lower positioning grooves 102 are arranged at equal intervals, and the intervals can be adjusted according to the size of a hearth of the silver burning furnace.
As shown in fig. 2, a set of ribs 201 are uniformly distributed on the positioning rod 2 at intervals, the outer diameter of each rib 201 is smaller than the inner diameter of the axis of the piezoelectric ceramic plate 3, and a limiting groove for limiting the position of the piezoelectric ceramic plate 3 is formed between every two ribs 201 to limit the position of the piezoelectric ceramic plate 3, so that shaking or contact between every two ribs is avoided. The rib 201 is in a complete circle structure in the illustrated embodiment, and in other possible embodiments, the rib 201 may be formed by a plurality of bumps arranged annularly. The spacing between the spacing grooves is the width of the convex ribs 201, and the width of the convex ribs 201 can be adjusted according to the size of the hearth of the silver burning furnace, so that the spacing grooves are arranged at proper spacing.
The tops of the two ends of the side plate 1 are planes, and the side plates 1 can be overlapped. The top of the side plate 1 is a plane, so that the stacking stability of the side plates 1 can be improved.
The side plates 1 and the positioning rods 2 in this embodiment are made of a high temperature resistant material, such as 95 alumina, 99 alumina or zirconia.
As shown in fig. 3, a plurality of groups of side plates 1 are stacked in a silver burning furnace for burning. The firing method of the silver-firing furnace is at 680-750 ℃, specifically, in the first embodiment, the temperature rising speed of silver-firing of the silver-firing furnace is 2 ℃/min, the sintering temperature is 720 ℃, and the temperature is kept for 10min. In a second embodiment, the silver firing temperature of the silver firing furnace is raised at a speed of 3 ℃/min, the sintering temperature is 750 ℃, and the temperature is kept for 5min. In a third embodiment, the temperature rise rate of silver firing of the silver firing furnace is 1.5 ℃/min, the sintering temperature is 680 ℃, and the temperature is kept for 20min.
It should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is for clarity only, and that the skilled artisan should recognize that the embodiments may be combined as appropriate to form other embodiments that will be understood by those skilled in the art.
The above list of detailed descriptions is only specific to practical embodiments of the present utility model, and they are not intended to limit the scope of the present utility model, and all equivalent embodiments or modifications that do not depart from the spirit of the present utility model should be included in the scope of the present utility model.
Claims (7)
1. The utility model provides a ring form piezoceramics burns silver device which characterized in that: the novel piezoelectric ceramic plate comprises at least two side plates (1) which are arranged in a bilateral symmetry mode, an opening area (103) is formed in the center of each side plate (1), a group of lower locating grooves (102) are formed in the bottom of each opening area (103) along the extending direction of each side plate, a group of locating rods (2) are arranged between the side plates (1), two ends of each locating rod (2) are respectively clamped in one lower locating groove (102), a group of annular piezoelectric ceramic plates (3) are uniformly arranged on each locating rod (2) in a penetrating mode, and the piezoelectric ceramic plates (3) are arranged in a hanging mode at intervals.
2. The annular piezoelectric ceramic silver-firing device according to claim 1, wherein: the top of the side plates (1) is provided with a group of upper positioning grooves (101) along the extending direction of the side plates, so that a group of positioning rods (2) are also arranged on the top between the two side plates (1).
3. The annular piezoelectric ceramic silver-firing device according to claim 2, wherein: the upper positioning groove (101) and the lower positioning groove (102) are arc-shaped, and the depth of the upper positioning groove (101) is larger than that of the lower positioning groove (102).
4. The annular piezoelectric ceramic silver-firing device according to claim 2, wherein: the upper positioning grooves (101) and the lower positioning grooves (102) are staggered in the vertical direction.
5. The annular piezoelectric ceramic silver-firing device according to claim 1, wherein: a group of protruding ribs (201) are uniformly distributed on the positioning rod (2) at intervals, the outer diameter of each protruding rib (201) is smaller than the inner diameter of the axis of the piezoelectric ceramic plate (3), and a limiting groove for limiting the position of the piezoelectric ceramic plate (3) is formed between every two protruding ribs (201).
6. The annular piezoelectric ceramic silver-firing device according to claim 1, wherein: the tops of the two ends of the side plate (1) are planes, and the side plates (1) can be overlapped.
7. The annular piezoelectric ceramic silver-firing device according to claim 1, wherein: the side plates (1) and the positioning rods (2) are both made of high-temperature resistant materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322274087.9U CN220583113U (en) | 2023-08-23 | 2023-08-23 | Ring-shaped piezoelectric ceramic silver firing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322274087.9U CN220583113U (en) | 2023-08-23 | 2023-08-23 | Ring-shaped piezoelectric ceramic silver firing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220583113U true CN220583113U (en) | 2024-03-12 |
Family
ID=90110227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322274087.9U Active CN220583113U (en) | 2023-08-23 | 2023-08-23 | Ring-shaped piezoelectric ceramic silver firing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220583113U (en) |
-
2023
- 2023-08-23 CN CN202322274087.9U patent/CN220583113U/en active Active
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