Multi-layer oven for curing microphone vibrating diaphragm
By introducing a combined structure of condenser and filter membrane into the oven, the problem of easy saturation of activated carbon filter elements is solved, efficient waste gas treatment and convenient filter element replacement are achieved, improving the efficiency of the oven and reducing costs.
Patent Information
- Application Number
- CN202521144047.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-06
- Publication Date
- 2025-07-22
- Estimated Expiration
- 2035-06-06
AI Technical Summary
During the diaphragm curing process of existing ovens, the activated carbon filter element is easy to adsorption and saturation, and is inconvenient to replace in high-temperature environments, which affects the use efficiency and cost of the oven.
The combined structure of condenser, condenser tube, polytetrafluoroethylene filter membrane, activated carbon filter element, cover plate, ventilation net, storage groove, connecting rod, limit block and torsion spring is adopted to achieve cooling and preliminary filtration of high-temperature waste gas, preventing the activated carbon filter element from being saturated in advance, and through the design of clamps, insert blocks, installation holes, threaded rods and rotating blocks, it facilitates the rapid replacement of activated carbon filter element and the adjustment of the placement frame.
Effective cooling and preliminary filtration of high-temperature exhaust gas is achieved, preventing the activated carbon filter element from being saturated in advance, simplifying the replacement process of activated carbon filter element, improving the adaptability of the oven and reducing the cost of use.
Smart Images
Figure CN223128542U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of ovens, in particular to a multi-layer oven for curing microphone diaphragms. Background Art
[0002] The microphone diaphragm refers to the diaphragm part used in a microphone. It is one of the core components of the microphone, responsible for picking up sound. It is usually composed of a thin and light material, which can quickly respond to weak sound wave changes and plays a key role in the process of converting sound into an electrical signal. A good microphone diaphragm can capture the subtle changes and rich sound quality of sound. The main production process steps of the diaphragm are coating, bonding the membrane ring, curing, cutting the membrane, inspection, and packaging in sequence. An oven is required in the curing process of the diaphragm. However, the existing oven only filters the waste gas through an activated carbon filter element. Due to the limited adsorption capacity of the activated carbon filter element, it is easy for the activated carbon filter element to be saturated with adsorption when encountering pollutants with larger particles. Moreover, the waste gas discharged from the oven has a high temperature, which easily promotes the desorption of the gas molecules adsorbed on the surface of the activated carbon from its surface, reducing the effective adsorption amount of the activated carbon. It needs to be replaced frequently, and the buckle for fixing the activated carbon filter element is prone to deformation in a high-temperature environment, which is not convenient for the replacement work of the activated carbon filter element. Therefore, it needs to be improved. Content of the Utility Model
[0003] The purpose of the utility model is to solve the technical problems put forward in the above background art.
[0004] The utility model adopts the following technical scheme: a multi-layer oven for curing microphone diaphragms, including a box body. Heaters and fans are respectively installed on both sides of the inner surface of the box body, and a motor is installed at the bottom end of the box body. A rotating rod is installed at the output end of the motor. Placing racks are installed on both sides of the outer surface of the rotating rod. A protective net is installed on one side of the outer surface of the fan. A connecting seat is fixedly installed on the box body. A condenser is installed on one side of the outer surface of the connecting seat. An exhaust port is opened inside the connecting seat. A support frame is slidably connected inside the exhaust port. A polytetrafluoroethylene filter membrane and an activated carbon filter element are arranged inside the support frame. A cover plate is installed at the top end of the connecting seat. A ventilation net is fixedly installed at the top end of the cover plate. Receiving grooves are opened on both sides of the outer surface of the connecting seat. Connecting rods are fixedly installed inside the receiving grooves. Limiting blocks are rotatably connected to the outer surfaces of the connecting rods.
[0005] Preferably, a condensation pipe is installed at the output end of the condenser, and the condensation pipe is installed on the inner surface of the connecting seat. Here, the condenser and the condensation pipe facilitate the cooling of the high-temperature waste gas.
[0006] Preferably, the four corners of the bottom end of the cover plate are clamped to the four corners of the top end of the connecting seat. Here, the support frame can be blocked by the cover plate to prevent the support frame from disengaging from the inner side of the connecting seat.
[0007] Preferably, limiting grooves are formed on both sides of the outer surface of the cover plate, and the limiting blocks are clamped to the inner sides of the limiting grooves. Here, the placement of the limiting blocks is facilitated by the limiting grooves.
[0008] Preferably, torsion springs are fixedly installed on both sides of the outer surface of the limiting block, and one end of the outer surface of each torsion spring is fixedly installed on the inner surface of the storage groove. Here, the limiting block can be driven to move by the upward force of the torsion spring at all times.
[0009] Preferably, a clamping block is fixedly installed inside the placement rack, clamping grooves are formed on both sides of the outer surface of the rotating rod, the clamping block is slidably connected to the inner sides of the clamping grooves, and an insertion block is fixedly installed on one side of the outer surface of one group of placement racks, and the insertion block is slidably connected to the inside of the other group of placement racks. Here, the insertion of the clamping block and the insertion block is facilitated by the clamping grooves and the insertion slots.
[0010] Preferably, mounting holes are formed on the outer surfaces of the rotating rod, one group of placement racks and the insertion block, threaded rods are rotatably connected to the inner sides of the mounting holes, and a rotating block is fixedly installed at one end of the outer surface of each threaded rod. Here, the threaded rod can be driven to move by the rotating block.
[0011] Compared with the prior art, the advantages and positive effects of the present utility model are as follows
[0012] 1. The present utility model is provided with a connecting seat, a condenser, a condensing pipe, an exhaust port, a support frame, a polytetrafluoroethylene filter membrane, an activated carbon filter element, a cover plate, a ventilation net, a storage groove, a connecting rod, a limiting block and a torsion spring, which can realize the cooling function of high-temperature waste gas through the condenser and the condensing pipe, and realize the preliminary filtration of the waste gas through the polytetrafluoroethylene filter membrane to prevent large particles from causing the activated carbon filter element to be prematurely adsorbed and saturated. Through the activated carbon filter element, the secondary filtration of the waste gas is realized. Through the structural combination of the storage groove, the connecting rod, the limiting block and the torsion spring, the limiting function of the position of the cover plate is realized. The device has a simple structure, and the quick replacement of the activated carbon filter element is facilitated by the limiting block, which is convenient for the maintenance work of the activated carbon filter element.
[0013] 2. The utility model is provided with a clamping block, an inserting block, mounting holes, a threaded rod and a rotating block. The clamping block and the inserting block can be used to limit the lateral and longitudinal movement paths of the placing rack. The threaded rod can be used to limit the positions among the clamping block, the inserting block and the rotating rod. The rotating block can be used to move the position of the threaded rod. The structure has strong stability. The clamping block and the inserting block provide convenience for the disassembly and assembly of the placing rack, enabling the oven to cure different numbers of diaphragms by adjusting the number of placing racks, improving the adaptability of the oven and reducing the use cost of the oven. Description of the Drawings
[0014] Figure 1 Schematic diagram of a multi-layer oven for curing microphone diaphragms proposed by the utility model;
[0015] Figure 2 Side view of a multi-layer oven for curing microphone diaphragms proposed by the utility model;
[0016] Figure 3 Exploded view of a multi-layer oven for curing microphone diaphragms proposed by the utility model;
[0017] Figure 4 Enlarged exploded structure view of the connecting seat in a multi-layer oven for curing microphone diaphragms proposed by the utility model;
[0018] Figure 5 A multi-layer oven for curing microphone diaphragms proposed by the utility model Figure 4 Enlarged view of part A in;
[0019] Figure 6 Enlarged exploded structure view of the placing rack in a multi-layer oven for curing microphone diaphragms proposed by the utility model.
[0020] Legend:
[0021] 1. Box body; 2. Heater; 3. Fan; 4. Motor; 5. Rotating rod; 6. Placing rack; 7. Protective net; 8. Connecting seat; 9. Condenser; 10. Condensing pipe; 11. Exhaust port; 12. Support frame; 13. Polytetrafluoroethylene filter membrane; 14. Activated carbon filter element; 15. Cover plate; 16. Ventilation net; 17. Storage groove; 18. Connecting rod; 19. Limiting block; 20. Torsion spring; 21. Clamping block; 22. Inserting block; 23. Mounting hole; 24. Threaded rod; 25. Rotating block. Detailed Implementation Modes
[0022] In order to more clearly understand the above-mentioned objects, features and advantages of the present utility model, the following further describes the present utility model with reference to the drawings and embodiments. It should be noted that, without conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.
[0023] In the following description, many specific details are set forth in order to provide a thorough understanding of the present utility model. However, the present utility model may also be implemented in other ways different from those described herein. Therefore, the present utility model is not limited by the limitations of the specific embodiments disclosed in the following specification.
[0024] Embodiment 1
[0025] Please refer to Figures 1-4 , the present utility model provides a technical solution: a multi-layer oven for curing the diaphragm of a microphone head, including a box body 1. On both sides of the inner surface of the box body 1, a heater 2 and a fan 3 are respectively installed. And at the bottom end of the box body 1, a motor 4 is installed. The output end of the motor 4 is installed with a rotating rod 5. On both sides of the outer surface of the rotating rod 5, a placement rack 6 is installed. The placement rack 6 can be driven to rotate by the rotating rod 5. On one side of the outer surface of the fan 3, a protective net 7 is installed. The box body 1 is fixedly installed with a connecting seat 8. On one side of the outer surface of the connecting seat 8, a condenser 9 is installed. The output end of the condenser 9 is installed with a condensing pipe 10. The condensing pipe 10 is installed on the inner surface of the connecting seat 8. It is convenient to cool the high-temperature exhaust gas through the condenser 9 and the condensing pipe 10. An exhaust port 11 is opened inside the connecting seat 8. Inside the exhaust port 11, a support frame 12 is slidably connected. Inside the support frame 12, a polytetrafluoroethylene filter membrane 13 and an activated carbon filter element 14 are arranged. The preliminary filtration of the exhaust gas is realized through the polytetrafluoroethylene filter membrane 13 to prevent large particles from causing the activated carbon filter element 14 to be adsorbed and saturated in advance.
[0026] Please refer to Figures 3-5 , at the top end of the connecting seat 8, a cover plate 15 is installed. The four corners of the bottom end of the cover plate 15 are clamped to the four corners of the top end of the connecting seat 8. The support frame 12 can be blocked through the cover plate 15 to prevent the support frame 12 from disengaging from the inside of the connecting seat 8. On the top end of the cover plate 15, a ventilation net 16 is fixedly installed. On both sides of the outer surface of the connecting seat 8, a storage groove 17 is opened. Inside the storage groove 17, a connecting rod 18 is fixedly installed. On the outer surface of the connecting rod 18, a limiting block 19 is rotatably connected. On both sides of the outer surface of the cover plate 15, a limiting groove is opened. The limiting block 19 is clamped inside the limiting groove. The placement of the limiting block 19 is facilitated through the limiting groove. On both sides of the outer surface of the limiting block 19, a torsion spring 20 is fixedly installed. One end of the outer surface of the torsion spring 20 is fixedly installed on the inner surface of the storage groove 17. The limiting block 19 can be driven to move by the force of the torsion spring 20 that always acts upward, and the quick replacement of the activated carbon filter element 14 is facilitated through the limiting block 19, which is convenient for the maintenance work of the activated carbon filter element 14.
[0027] Embodiment 2
[0028] Please refer to Figure 3 With Figure 6, a clamping block 21 is fixedly installed inside the placement rack 6, clamping grooves are formed on both sides of the outer surface of the rotating rod 5, the clamping block 21 is slidably connected to the inside of the clamping groove, and an insertion block 22 is fixedly installed on one side of the outer surface of one group of placement racks 6, the insertion block 22 is slidably connected to the inside of the other group of placement racks 6. The insertion of the clamping block 21 and the insertion block 22 is facilitated through the clamping groove and the insertion slot, and the lateral and longitudinal movement paths of the placement rack 6 can be limited through the clamping block 21 and the insertion block 22. Mounting holes 23 are formed on the outer surfaces of the rotating rod 5, one group of placement racks 6 and the insertion block 22, a threaded rod 24 is rotatably connected to the inside of the mounting hole 23, and a rotating block 25 is fixedly installed at one end of the outer surface of the threaded rod 24. The threaded rod 24 can be driven to move through the rotating block 25, and the disassembly and assembly of the placement rack 6 are facilitated through the clamping block 21 and the insertion block 22, so that the oven can cure and bake different numbers of diaphragms by adjusting the number of placement racks 6, improving the adaptability of the oven and reducing the use cost of the oven.
[0029] Working principle: When curing and baking the diaphragm using an oven, first open the oven door, then place the diaphragm on the placement rack 6 and close the oven door. Next, heat the inside of the box body 1 through the heater 2. Subsequently, drive the rotating rod 5 to rotate through the motor 4, so that the rotating rod 5 drives the placement rack 6 and the diaphragm placed thereon to rotate slowly. And through the fan 3, the hot air inside the box body 1 is circulated, making the diaphragm evenly heated. Then the high-temperature waste gas generated by baking the diaphragm will move to the exhaust port 11. Then the waste gas is preliminarily filtered through the polytetrafluoroethylene filter membrane 13 to block the large-particle pollutants in the waste gas. Next, the waste gas is secondarily filtered through the activated carbon filter element 14. Subsequently, the waste gas will be discharged from the ventilation net 16, preventing the large particles from causing the activated carbon filter element 14 to be adsorbed and saturated in advance. At the same time, the waste gas is cooled through the condenser 9 and the condensate pipe 10 to prevent the high-temperature waste gas from affecting the normal use of the activated carbon filter element 14. When it is necessary to replace the polytetrafluoroethylene filter membrane 13 and the activated carbon filter element 14, the limit block 19 can be rotated away from the limit groove. Then the cover plate 15 and the support frame 12 inside the exhaust port 11 can be removed. Next, the activated carbon filter element 14 and the polytetrafluoroethylene filter membrane 13 inside the support frame 12 are taken out for replacement. Subsequently, the replaced activated carbon filter element 14 and polytetrafluoroethylene filter membrane 13 are put back in place, and the support frame 12 is put back in place. Then the limit block 19 is rotated away from the limit groove. Next, the cover plate 15 is covered and the limit block 19 is loosened. Subsequently, the limit block 19 is driven by the upward force of the torsion spring 20 to move to the limit groove, thereby completing the position limit of the cover plate 15, providing convenience for the quick replacement of the activated carbon filter element 14. When it is necessary to increase or decrease the number of placement racks 6, the rotating block 25 can be rotated to drive the threaded rod 24 to disengage from the mounting hole 23. Then the placement rack 6 is removed from the card slot and the slot. On the contrary, the card block 21 on one group of placement racks 6 can be aligned with the card slot and inserted. Then the plug block 22 on the other group of placement racks 6 is aligned with the slot and the card block 21 is aligned with the card slot and inserted. Subsequently, the threaded rod 24 is driven by the rotating block 25 to be inserted into the mounting hole 23, thereby completing the position limit of the placement rack 6, enabling the oven to cure and bake different numbers of diaphragms by adjusting the number of placement racks 6, improving the adaptability of the oven and reducing the use cost of the oven.
[0030] The above is only a preferred embodiment of the present invention, and it is not a limitation of the present invention in other forms. Any person skilled in the art may use the disclosed technical content to make changes or modifications into equivalent embodiments with equivalent changes and apply them to other fields. However, as long as it does not depart from the technical solution content of the present invention, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention still belong to the protection scope of the technical solution of the present invention.
Claims
1. A multi-layer oven for curing the diaphragm of a microphone head, comprising a box body (1), characterized in that: On both sides of the inner surface of the box body (1), a heater (2) and a fan (3) are respectively installed, and a motor (4) is installed at the bottom end of the box body (1). The output end of the motor (4) is installed with a rotating rod (5). On both sides of the outer surface of the rotating rod (5), placing racks (6) are installed. On one side of the outer surface of the fan (3), a protective net (7) is installed. The box body (1) is fixedly installed with a connecting seat (8). On one side of the outer surface of the connecting seat (8), a condenser (9) is installed. An exhaust port (11) is opened inside the connecting seat (8). A support frame (12) is slidably connected inside the exhaust port (11). Inside the support frame (12), a polytetrafluoroethylene filter membrane (13) and an activated carbon filter element (14) are arranged. A cover plate (15) is installed at the top end of the connecting seat (8). A ventilation net (16) is fixedly installed at the top end of the cover plate (15). On both sides of the outer surface of the connecting seat (8), storage grooves (17) are opened. Inside the storage grooves (17), connecting rods (18) are fixedly installed. On the outer surface of the connecting rods (18), limiting blocks (19) are rotatably connected.
2. The multi-layer oven for curing the microphone diaphragm according to claim 1, wherein: The output end of the condenser (9) is installed with a condensate pipe (10), and the condensate pipe (10) is installed on the inner surface of the connecting seat (8).
3. The multi-layer oven for curing the diaphragm of a microphone according to claim 1, characterized in that: The four corners of the bottom end of the cover plate (15) are clamped to the four corners of the top end of the connecting seat (8).
4. The multi-layer oven for curing the microphone diaphragm according to claim 1, characterized in that: Limiting grooves are opened on both sides of the outer surface of the cover plate (15), and the limiting blocks (19) are clamped inside the limiting grooves.
5. The multi-layer oven for curing the microphone diaphragm according to claim 1, wherein: On both sides of the outer surface of the limiting blocks (19), torsion springs (20) are fixedly installed, and one end of the outer surface of the torsion springs (20) is fixedly installed on the inner surface of the storage grooves (17).
6. The multi-layer oven for curing the microphone diaphragm according to claim 1, characterized in that: Inside the placing racks (6), clamping blocks (21) are fixedly installed. On both sides of the outer surface of the rotating rod (5), clamping grooves are opened. The clamping blocks (21) are slidably connected inside the clamping grooves. On one side of the outer surface of one group of placing racks (6), inserting blocks (22) are fixedly installed, and the inserting blocks (22) are slidably connected inside the other group of placing racks (6).
7. The multi-layer oven for curing the microphone diaphragm according to claim 6, characterized in that: Installation holes (23) are opened on the outer surfaces of the rotating rod (5), one group of placing racks (6) and the inserting blocks (22). Inside the installation holes (23), threaded rods (24) are rotatably connected. On one end of the outer surface of the threaded rods (24), rotating blocks (25) are fixedly installed.