Silver coating device for piezoelectric ceramic piece

Abstract

The utility model relates to a silver coating device for a piezoelectric ceramic piece, and belongs to the technical field of piezoelectric ceramic pieces. A lifting structure is arranged on the inner side of the side supporting plate, a rotating motor is arranged on the lifting structure, a piezoelectric ceramic piece fixing device is arranged on a motor shaft of the rotating motor, and a silver paste brushing device is arranged on the lower surface of the top supporting plate. The beneficial effects of the utility model are that: firstly, the piezoelectric ceramic piece to be coated with silver is sleeved on the upper slide block and the lower slide block, the piezoelectric ceramic piece can be fastened on the upper slide block and the lower slide block through the tension spring, and the piezoelectric ceramic piece can be positioned at a set position through the positioning plate; according to the method, the piezoelectric ceramic plate is fixed, meanwhile, the lifting structure is started to enable the piezoelectric ceramic piece to move to the silver paste bristles, the piezoelectric ceramic piece is driven to rotate through the rotating motor, and therefore the side edge and the end of the piezoelectric ceramic piece are coated with silver paste through the silver paste bristles, and the silver paste coating efficiency is improved through the method.

Description

Technical Field

[0001] The utility model relates to a silver coating device for a piezoelectric ceramic sheet, belonging to the technical field of piezoelectric ceramic sheets. Background Art

[0002] Piezoelectric ceramics are an electronic sound-generating element. A piezoelectric ceramic dielectric material is placed between two copper circular electrodes. When an AC audio signal is connected to the two electrodes, the piezoelectric piece will vibrate according to the size and frequency of the signal and produce a corresponding sound. In order to improve the conductivity and corrosion resistance of the electrode, the surface of the electrode is silver-plated. The structure of the piezoelectric ceramic is that a piezoelectric ceramic layer is mounted on a metal substrate, and a silver-plated layer is mounted on the piezoelectric ceramic layer. The surface of the electrode is silver-plated, which greatly improves the conductivity and corrosion resistance.

[0003] When piezoelectric ceramic sheets are silver-plated, the silver is generally plated on the front and back of the piezoelectric ceramic sheets. In actual use, it is also necessary to plate the silver paste on the sides of the piezoelectric ceramic sheets. When the front and sides of the piezoelectric ceramic sheets need to be silver-plated, the existing piezoelectric ceramic sheets are generally silver-plated separately and cannot be formed in one go, which leads to low silver plating efficiency. In view of the above problems, the industry needs a silver coating device for piezoelectric ceramic sheets to solve the problems faced by the industry. Summary of the invention

[0004] The technical problem to be solved by the utility model is to provide a silver coating device for piezoelectric ceramic sheets to solve the problems faced in the industry.

[0005] In order to solve the above technical problems, the utility model is implemented through the following technical solutions: a silver coating device for piezoelectric ceramic sheets, comprising a horizontally placed base plate, side support plates are arranged on the sides of the upper surface of the base plate, a top support plate is arranged on the top of the side support plate, a lifting structure is arranged on the inner side of the side support plate, a rotating motor is arranged on the lifting structure, a piezoelectric ceramic sheet fixing device is arranged on the motor shaft of the rotating motor, and a silver paste brushing device is arranged on the lower surface of the top support plate.

[0006] Preferably, the lifting structure comprises a lifting electric cylinder, a lifting slider is provided on the lifting electric cylinder, and the rotary motor is installed on the lifting slider.

[0007] Preferably, the piezoelectric ceramic sheet fixing device includes a fixing seat, which is provided with a top T-slot, and the top T-slot extends from the top to the bottom of the fixing seat, and a plurality of fixing threaded holes are provided on the lower front portion of the fixing seat, and an upper slider and a lower slider with the same structure and placed opposite to each other are provided in the top T-slot, and the lower slider is fixed to the fixing seat by screws, and the upper slider slides up and down in the top T-slot, and a plurality of tension springs are provided between the upper slider and the lower slider.

[0008] Preferably, the upper slider includes a slider body and a slider side plate located on the side of the slider body, the slider side plate is provided with a positioning groove with a T-shaped structure, the positioning groove passes through from the end of the slider side plate to the inside, the side of the slider side plate is provided with a fixing through hole, the fixing through hole passes through from the front to the back of the slider side plate, and a positioning plate is arranged in the positioning groove.

[0009] Preferably, the positioning plate is in a T-shaped structure, and a positioning threaded hole is provided on the positioning plate.

[0010] Preferably, baffles are respectively provided on the top and bottom of the fixing seat.

[0011] Preferably, the silver paste brushing device comprises a silver paste placing frame, the lower left corner of the silver paste placing frame is a right-angle notch, a plurality of silver paste drainage holes are arranged at the right-angle notch, and a plurality of silver paste brush bristles are arranged between the silver paste drainage holes.

[0012] Compared with the prior art, the utility model has the following advantages: the piezoelectric ceramic sheet to be coated with silver is first sleeved on the upper slider and the lower slider, the piezoelectric ceramic sheet is fastened to the upper slider and the lower slider by a tensioning spring, and the piezoelectric ceramic sheet is placed in a set position by a positioning plate. The above method achieves the purpose of fixing the piezoelectric ceramic plate, and at the same time, the lifting structure is started to move the piezoelectric ceramic sheet to the silver paste brush, and the piezoelectric ceramic sheet is driven to rotate by a rotating motor, so that the silver paste is applied to the side and end of the piezoelectric ceramic sheet by the silver paste brush. The above method improves the efficiency of silver paste coating. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The utility model is further described below in conjunction with the accompanying drawings.

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0015] Figure 2 It is the front view of the piezoelectric ceramic piece fixing device.

[0016] Figure 3 It is an axonometric view of the piezoelectric ceramic fixture.

[0017] Figure 4 is another axonometric view of the piezoelectric ceramic fixture.

[0018] Figure 5 It is an exploded view of the piezoelectric ceramic fixture.

[0019] Figure 6 It is a structural schematic diagram of the fixed seat.

[0020] Figure 7 It is a schematic diagram of the structure of the upper slider and the lower slider.

[0021] Figure 8 It is a structural schematic diagram of the positioning plate.

[0022] Fig. 9 It is a structural schematic diagram of a silver paste brushing device.

[0023] In the figure: bottom plate 1; side support plate 2; top support plate 3; lifting structure 4; lifting electric cylinder 401; lifting slider 402; rotating motor 5; piezoelectric ceramic piece fixing device 6; fixing seat 7; top T-slot 701; fixing threaded hole 702; upper slider 8; slider body 801; slider side plate 802; positioning groove 803; fixing through hole 804; positioning plate 805; positioning threaded hole 806; spring groove 807; lower slider 9; tensioning spring 10; baffle 11; silver paste brushing device 12; silver paste placing frame 1201; right-angle notch 1202; silver paste drainage hole 1203; silver paste brush bristles 1204. DETAILED DESCRIPTION

[0024] The utility model is described in detail below with reference to the accompanying drawings and specific implementation methods:

[0025] like Figures 1 to 9 A silver coating device for piezoelectric ceramic sheets is shown, comprising a horizontally placed base plate 1, a side support plate 2 is provided on the side of the upper surface of the base plate 1, a top support plate 3 is provided on the top of the side support plate 2, a lifting structure 4 is provided on the inner side of the side support plate 2, a rotating motor 5 is provided on the lifting structure 4, a piezoelectric ceramic sheet fixing device 6 is provided on the motor shaft of the rotating motor 5, and a silver paste brushing device 12 is provided on the lower surface of the top support plate 3.

[0026] In order to move the piezoelectric ceramic sheet to a set position, the lifting structure 4 further includes a lifting electric cylinder 401 , a lifting slider 402 is provided on the lifting electric cylinder 401 , and the rotary motor 5 is installed on the lifting slider 402 .

[0027] In order to fix the piezoelectric ceramic piece, a piezoelectric ceramic piece fixing device 6 is further provided, and the piezoelectric ceramic piece fixing device 6 includes a fixing seat 7, and a top T-slot 701 is provided on the fixing seat 7. The top T-slot 701 runs through the top to the bottom of the fixing seat 7, and a plurality of fixing threaded holes 702 are provided on the lower front part of the fixing seat 7. An upper slider 8 and a lower slider 9 with the same structure and placed opposite to each other are provided in the top T-slot 701. The lower slider 9 is fixed to the fixing seat 7 by screws, and the upper slider 8 slides up and down in the top T-slot 701. A plurality of tensioning springs 10 are provided between the upper slider 8 and the lower slider 9.

[0028] In order to achieve the purpose of fixation, the upper slider 8 further includes a slider body 801 and a slider side plate 802 located on the side of the slider body 801, and a positioning groove 803 with a T-shaped structure is provided on the slider side plate 802. The positioning groove 803 passes through the end of the slider side plate 802 to the inside, and a fixing through hole 804 is provided on the side of the slider side plate 802. The fixing through hole 804 passes through the front side of the slider side plate 802 to the back side, and a positioning plate 805 is provided in the positioning groove 803.

[0029] In order to position the piezoelectric ceramic sheet, the positioning plate 805 is further in a T-shaped structure, and a positioning threaded hole 806 is provided on the positioning plate 805 .

[0030] In order to position and fix the tension spring 10 , a plurality of spring grooves 807 are further provided on the slider side plate 802 .

[0031] In order to prevent the upper sliding block 8 from sliding out of the top T-slot 701 when sliding, further, baffles 11 are respectively provided on the top and bottom of the fixing seat 7 .

[0032] like Fig. 9 As shown, in order to be able to apply slurry to the sides and ends of the piezoelectric ceramic sheet, the silver paste brushing device 12 further includes a silver paste placing frame 1201, and the lower left corner of the silver paste placing frame 1201 is a right-angle notch 1202, and a plurality of silver paste drainage holes 1203 are arranged at the right-angle notch 1202, and a plurality of silver paste brush bristles 1204 are arranged between the silver paste drainage holes 1203. The silver paste is placed in the silver paste placing frame 1201, and the silver paste will flow out from the silver paste drainage holes 1203 and fall onto the silver paste brush bristles 1204, and the piezoelectric ceramic sheet is brushed with slurry through the silver paste brush bristles 1204.

[0033] Before use, the upper slider 8 and the lower slider 9 have the same structure. The lower slider 9 is inserted into the top T-slot 701, and the lower slider 9 and the top T-slot 701 are fixed together by bolts, so that the lower slider 9 is fixed on the fixing seat 7 and cannot move. The slider body 801 on the upper slider 8 is inserted into the top T-slot 701 of the fixing seat 7, and the upper slider 8 can move up and down in the top T-slot 701. The baffle 11 is fixed to the top and bottom of the fixing seat 7 respectively to prevent the upper slider 8 from sliding out of the top T-slot 701, and a plurality of tensioning springs 10 are fixed to the positioning spring groove 807 respectively, so that the upper slider 8 and the lower slider 9 are connected together by the tensioning spring 10, and at the same time, the positioning plate 805 is inserted into the positioning groove 803, and the bolt is inserted into the fixing through hole 804 and connected to the positioning threaded hole 806, so that the positioning plate 805 is fixed to the slider side plate 802 by bolts.

[0034] When in use, adjust the position of the positioning plate 805 according to the width of the piezoelectric ceramic piece to be brushed with slurry, and then press the upper slider 8 downward. At this time, the distance between the upper slider 8 and the lower slider 9 will become smaller, and then the piezoelectric ceramic piece is sleeved on the upper slider 8 and the lower slider 9. Since the positioning plate 805 has been placed in the set position, it is only necessary to sleeve the piezoelectric ceramic piece on the upper slider 8 and the lower slider 9 and press it to the side of the positioning plate 805. This means that the piezoelectric ceramic piece has been placed in the set position. At the same time, release the upper slider 8, and the upper slider 8 will be elastically bounced open by the tensioning spring 10. At this time, the piezoelectric ceramic piece will be supported by the upper slider 8 and the lower slider 9, thereby achieving the purpose of fixing the piezoelectric ceramic piece.

[0035] After the piezoelectric ceramic piece is fixed, the lifting slider 402 on the lifting electric cylinder 401 is started, and the lifting slider 402 drives the rotating motor 5 and the piezoelectric ceramic piece fixing device 6 to move up and down and move to the set position. At this time, the piezoelectric ceramic piece to be coated with slurry also moves to the silver paste brush 1204. At this time, the rotating motor 5 is started, and the rotating motor 5 drives the piezoelectric ceramic piece fixing device 6 and the piezoelectric ceramic piece to rotate. At this time, the silver paste brush 1204 located on the side and end of the piezoelectric ceramic piece will brush the silver paste onto the piezoelectric ceramic piece, thereby achieving the purpose of brushing the piezoelectric ceramic piece with silver paste.

[0036] It should be emphasized that the above are only preferred embodiments of the present invention and do not constitute any form of limitation to the present invention. Any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A silver coating device for a piezoelectric ceramic sheet, characterized in that: The invention comprises a bottom plate (1) placed horizontally, wherein a side support plate (2) is arranged on the side of the upper surface of the bottom plate (1), a top support plate (3) is arranged on the top of the side support plate (2), a lifting structure (4) is arranged on the inner side of the side support plate (2), a rotating motor (5) is arranged on the lifting structure (4), a piezoelectric ceramic piece fixing device (6) is arranged on the motor shaft of the rotating motor (5), and a silver paste brushing device (12) is arranged on the lower surface of the top support plate (3).

2. The silver coating device for piezoelectric ceramic sheets according to claim 1, characterized in that: The lifting structure (4) comprises a lifting electric cylinder (401), a lifting slider (402) is provided on the lifting electric cylinder (401), and the rotating motor (5) is mounted on the lifting slider (402).

3. The silver coating device for piezoelectric ceramic sheets according to claim 1, characterized in that: The piezoelectric ceramic piece fixing device (6) comprises a fixing seat (7), the fixing seat (7) is provided with a top T-slot (701), the top T-slot (701) runs through the top to the bottom of the fixing seat (7), a plurality of fixing threaded holes (702) are provided at the lower front portion of the fixing seat (7), an upper slider (8) and a lower slider (9) having the same structure and placed opposite to each other are provided in the top T-slot (701), the lower slider (9) is fixed to the fixing seat (7) by screws, the upper slider (8) slides up and down in the top T-slot (701), and a plurality of tension springs (10) are provided between the upper slider (8) and the lower slider (9).

4. The silver coating device for piezoelectric ceramic sheets according to claim 3, characterized in that: The upper slider (8) comprises a slider body (801), a slider side plate (802) located on the side of the slider body (801), a T-shaped positioning groove (803) is provided on the slider side plate (802), the positioning groove (803) passes through from the end of the slider side plate (802) to the inside, a fixing through hole (804) is provided on the side of the slider side plate (802), the fixing through hole (804) passes through from the front to the back of the slider side plate (802), and a positioning plate (805) is provided in the positioning groove (803).

5. The silver coating device for piezoelectric ceramic sheets according to claim 4, characterized in that: The positioning plate (805) is in a T-shaped structure, and a positioning threaded hole (806) is provided on the positioning plate (805).

6. The silver coating device for piezoelectric ceramic sheets according to claim 5, characterized in that: The slider side plate (802) is also provided with a plurality of spring grooves (807).

7. The silver coating device for piezoelectric ceramic sheets according to claim 4, characterized in that: Baffles (11) are respectively provided on the top and bottom of the fixing seat (7).

8. The silver coating device for piezoelectric ceramic sheets according to claim 1, characterized in that: The silver paste brushing device (12) comprises a silver paste placement frame (1201), the lower left corner of the silver paste placement frame (1201) is a right-angled notch (1202), a plurality of silver paste drainage holes (1203) are arranged at the right-angled notch (1202), and a plurality of silver paste brush bristles (1204) are arranged between the silver paste drainage holes (1203).

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