Voice coil automatic tinning device in electronic packaging process
The motor-driven adjustment device and grabbing device realize fixed adsorption of voice coils of different sizes, and the water circulation system is used to cool the voice coils of tin-loading, which solves the clamping and cooling problems of the existing devices and improves the practicality and efficiency of the automatic tin-loading device of voice coils.
Patent Information
- Application Number
- CN202422152268.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-03
- Publication Date
- 2025-07-04
- Estimated Expiration
- 2034-09-03
AI Technical Summary
The existing automatic tin-loading device for voice coils is difficult to adapt to clamping and fixing of voice coils of different sizes, and lacks effective cooling treatment, resulting in damage to the tin when it is not completely cooled.
An automatic tin-up device for voice coils including a motor-driven adjustment device and a grabber is designed, voice coils of different sizes are fixed by vacuum suction cups, and a cooling device is used to cool the tin-up voice coils, including a water circulation system and a cooling furnace.
The stable clamping and fixing of voice coils of different sizes and efficient cooling are achieved, which improves the practicality and working efficiency of the device, and avoids damage to tin during the conveying process.
Smart Images

Figure CN223061054U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of voice coil tinning, in particular to an automatic voice coil tinning device in an electronic packaging process. Background Technique
[0002] The direct definition of a voice coil is a coil through which a speaker passes an electric current. It is an important part of the mechanical wave system of an electrodynamic speaker and can also be said to be the heart of the speaker. The performance of the voice coil will affect the sound intensity characteristics, sound intensity level, impedance curve, distortion, transient characteristics, speaker parameters, sound quality, etc. of the speaker, especially related to the power handling capacity and lifespan of the speaker.
[0003] For the existing automatic voice coil tinning device in the electronic packaging process, reference can be made to the Chinese utility model patent with the authorization announcement number CN217052354U. It discloses a voice coil tinning device, "including a tin furnace for tinning, and also including a voice coil fixing fixture and a lifting mechanism. The voice coil fixing fixture is fixedly installed on the lifting mechanism and can move up and down along the lifting mechanism. The lifting mechanism is arranged on one side of the tin furnace and can drive the device to be tinned placed on the voice coil fixing fixture to move down to the tin furnace or lift away from the tin furnace. The voice coil fixing fixture includes a connecting arm and a carrier. One end of the connecting arm is connected to the lifting mechanism, and the other end is connected to the carrier. The device to be tinned is sleeved on the carrier. The carrier is L-shaped and is detachably arranged at the end of the connecting arm. The upper surface of the crossbar of the carrier is a plane. This tinning device drives the fixture with the voice coil placed thereon to longitudinally slide for tinning operation, replacing manual labor, with better stability and adjustable tinning length."
[0004] When the above device is in use, it realizes the automatic tinning of the voice coil through the cooperation of the carrier and the lifting mechanism. However, the carrier of the above device is not convenient for clamping and fixing voice coils of different sizes, resulting in a reduction in the practicality of the device. Moreover, the above device is not convenient for cooling the voice coil after tinning, resulting in damage to the uncompletely cooled tin during transportation. Content of the Utility Model
[0005] Aiming at the deficiencies of the prior art, the utility model provides an automatic voice coil tinning device in an electronic packaging process, which has the advantages of being able to clamp and fix voice coils of different sizes and improving the practicality of the device, and has the advantage of being able to cool the voice coil after tinning, facilitating transportation, and solves the problems raised in the above background technique.
[0006] The utility model provides the following technical solution: An automatic voice coil tinning device in an electronic packaging process, including a workbench, the top of the workbench is fixedly connected by bolts with a tin furnace, a cooling device is arranged on the top of the workbench, an adjusting device is arranged on one side of the top of the workbench away from the cooling device, and a grasping device is arranged on the top of the adjusting device;
[0007] The cooling device includes a water tank, a water pump and a circulation pipe. When the water pump works, it pumps the water in the water tank into the circulation pipe.
[0008] The grasping device includes an electric push rod and a vacuum suction cup. When the electric push rod works, it drives the vacuum suction cup to lift.
[0009] As a preferred technical solution of the present utility model, the cooling device further includes a cooling furnace. The bottom of the cooling furnace is fixed to the top of the workbench by bolts. The circulation pipe is located in the inner cavity of the cooling furnace. One end of the circulation pipe is fixedly connected to the water outlet end of the water pump, and the other end of the circulation pipe is fixedly connected with a return pipe. The end of the return pipe away from the circulation pipe is inserted into the water tank.
[0010] As a preferred technical solution of the present utility model, the water pump and the water tank are connected by a hose. The top of the water tank is fixed to the bottom of the workbench by bolts.
[0011] As a preferred technical solution of the present utility model, the adjusting device includes a motor. The output shaft end of the motor is fixedly connected with a driving gear. The teeth of the driving gear mesh with a driven gear. The top of the driven gear is rotatably connected to the bottom of the workbench. The top of the driven gear is fixedly connected with a mounting plate. The mounting plate penetrates through the workbench and is rotatably connected to the inner wall of the workbench. The top of the mounting plate is fixedly connected with a fixing frame by bolts.
[0012] As a preferred technical solution of the present utility model, the bottom of the electric push rod is fixed to the top of the fixing frame by bolts. The power rod of the electric push rod penetrates through the fixing frame and is slidably connected to the inner wall of the fixing frame.
[0013] As a preferred technical solution of the present utility model, the bottom of the workbench is fixedly welded with support columns. The inner wall of the support column is fixedly connected with a fixing plate by bolts. The top of the fixing plate is fixedly connected with the bottom of the motor by bolts.
[0014] Compared with the prior art, the present utility model has the following beneficial effects:
[0015] 1. For the automatic tinning device of the voice coil in this electronic packaging process, by controlling the motor to drive the driving gear to rotate, driving the driven gear meshing with the teeth of the driving gear to rotate, and driving the mounting plate fixedly connected to the top to rotate. Using the fixing frame fixedly connected to the top of the mounting plate by bolts, when the mounting plate rotates, it drives the fixing frame to rotate. Control the electric push rod to drive the vacuum suction cup to lift. Use the vacuum suction cup to fixedly adsorb voice coils of different sizes. Then drive the adsorbed voice coil to rotate towards the tin furnace through the fixing frame. When the vacuum suction cup corresponds to the tin furnace, control the electric push rod to drive the voice coil into the tin furnace for tinning treatment, improving the practicability of the device.
[0016] 2. In the automatic tinning device for voice coils in this electronic packaging process, the adjustment device controls the rotation of the grasping device, drives the voice coil clamped by the grasping device to rotate, and then moves towards the cooling furnace. When the voice coil corresponds to the cooling furnace, the grasping device is controlled to send the voice coil into the cooling furnace. The water pump is controlled to send the water in the water tank into the circulation pipe for circulation, and during the flowing process, the voice coil in the inner cavity of the cooling furnace can be cooled, accelerating the cooling and solidification of the tin and improving the working efficiency of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;
[0018] Figure 2 is a structural schematic diagram of the adjustment device of the present utility model;
[0019] Figure 3 is a sectional structural schematic diagram of the present utility model;
[0020] Figure 4 is a structural schematic diagram of the cooling device of the present utility model.
[0021] In the figure: 1. Workbench; 2. Tin furnace; 3. Cooling device; 301. Cooling furnace; 302. Water tank; 303. Water pump; 304. Circulation pipe; 305. Return pipe; 4. Adjustment device; 401. Motor; 402. Driving gear; 403. Driven gear; 404. Mounting plate; 405. Fixed bracket; 5. Grasping device; 501. Electric push rod; 502. Vacuum chuck; 6. Support column; 7. Fixed plate. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0023] Please refer to Figure 1 , an automatic tinning device for voice coils in an electronic packaging process, includes a workbench 1. The top of the workbench 1 is fixedly connected by bolts to a tin furnace 2. A cooling device 3 is arranged on the top of the workbench 1. An adjustment device 4 is arranged on the side of the top of the workbench 1 away from the cooling device 3. A grasping device 5 is arranged on the top of the adjustment device 4;
[0024] Such as Figure 3 and Figure 4As shown in the figure, the cooling device 3 includes a water tank 302, a water pump 303 and a circulation pipe 304. When the water pump 303 works, it pumps the water in the water tank 302 into the circulation pipe 304. The cooling device 3 further includes a cooling furnace 301. The bottom of the cooling furnace 301 is fixed to the top of the workbench 1 by bolts. The circulation pipe 304 is located in the inner cavity of the cooling furnace 301. One end of the circulation pipe 304 is fixedly connected to the water outlet end of the water pump 303, and the other end of the circulation pipe 304 is fixedly connected to a return pipe 305. The end of the return pipe 305 away from the circulation pipe 304 is inserted into the water tank 302. The water pump 303 is connected to the water tank 302 through a hose. The top of the water tank 302 is fixed to the bottom of the workbench 1 by bolts. When the voice coil corresponds to the cooling furnace 301, the grasping device 5 is controlled to send the voice coil into the cooling furnace 301, and the water pump 303 is controlled to send the water in the water tank 302 into the circulation pipe 304 for circulation. During the flowing process, the voice coil in the inner cavity of the cooling furnace 301 can be cooled, and then the water is sent back to the water tank 302 through the return pipe 305 to reduce evaporation.
[0025] As Figures 2 - 4 shown in the figure, the grasping device 5 includes an electric push rod 501 and a vacuum suction cup 502. When the electric push rod 501 works, it drives the vacuum suction cup 502 to lift and lower. The bottom of the electric push rod 501 is fixed to the top of the fixing frame 405 by bolts, and the power rod of the electric push rod 501 penetrates through the fixing frame 405 and is slidably connected to the inner wall of the fixing frame 405. The electric push rod 501 is controlled to drive the vacuum suction cup 502 to lift and lower. The vacuum suction cup 502 is used to fixedly adsorb voice coils of different sizes, and then the adsorbed voice coil is driven by the fixing frame 405 to rotate towards the tin furnace 2.
[0026] As Figure 2 shown in the figure, the adjusting device 4 includes a motor 401. The output shaft end of the motor 401 is fixedly connected to a driving gear 402. The teeth of the driving gear 402 are engaged with a driven gear 403. The top of the driven gear 403 is rotatably connected to the bottom of the workbench 1. The top of the driven gear 403 is fixedly connected to a mounting plate 404. The mounting plate 404 penetrates through the workbench 1 and is rotatably connected to the inner wall of the workbench 1. The top of the mounting plate 404 is fixedly connected to a fixing frame 405 by bolts. A support column 6 is welded and fixed to the bottom of the workbench 1, and a fixing plate 7 is fixedly connected to the inner wall of the support column 6 by bolts. The top of the fixing plate 7 is fixedly connected to the bottom of the motor 401 by bolts. The motor 401 is controlled to drive the driving gear 402 to rotate, driving the driven gear 403 engaged with the teeth of the driving gear 402 to rotate, and driving the mounting plate 404 fixedly connected to the top to rotate. By using the fixing frame 405 fixedly connected to the top of the mounting plate 404 by bolts, the fixing frame 405 is driven to rotate while the mounting plate 404 rotates.
[0027] Working principle: During use, control the motor 401 to drive the driving gear 402 to rotate, drive the driven gear 403 that meshes with the teeth of the driving gear 402 to rotate, and drive the mounting plate 404 fixedly connected to the top to rotate. By using the fixing bracket 405 fixedly connected to the top of the mounting plate 404 with bolts, when the mounting plate 404 rotates, the fixing bracket 405 is driven to rotate. Control the electric push rod 501 to drive the vacuum chuck 502 to lift and lower, and use the vacuum chuck 502 to fixedly adsorb voice coils of different sizes. Then, drive the adsorbed voice coil to rotate towards the soldering furnace 2 through the fixing bracket 405. When the vacuum chuck 502 corresponds to the soldering furnace 2, control the electric push rod 501 to drive the voice coil into the soldering furnace 2 for tin plating treatment. After the tin plating of the voice coil is completed, use the electric push rod 501 to remove the voice coil from the soldering furnace 2. Control the grasping device 5 to rotate through the adjusting device 4, and drive the voice coil clamped by the grasping device 5 to rotate, and then move towards the cooling furnace 301. When the voice coil corresponds to the cooling furnace 301, control the grasping device 5 to send the voice coil into the cooling furnace 301. Control the water pump 303 to send the water in the water tank 302 into the circulation pipe 304 for circulation, and during the flowing process, it can cool the voice coil in the inner cavity of the cooling furnace 301 to accelerate the cooling and solidification of the tin.
[0028] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. An automatic tinning device for voice coils in an electronic packaging process, comprising a workbench (1), characterized in that: The top of the workbench (1) is fixedly connected with a soldering furnace (2) by bolts. A cooling device (3) is arranged on the top of the workbench (1). An adjusting device (4) is arranged on one side of the top of the workbench (1) far away from the cooling device (3). A grasping device (5) is arranged on the top of the adjusting device (4). The cooling device (3) includes a water tank (302), a water pump (303) and a circulation pipe (304). When the water pump (303) works, it pumps the water in the water tank (302) and sends it into the circulation pipe (304). The grasping device (5) includes an electric push rod (501) and a vacuum suction cup (502). When the electric push rod (501) works, it drives the vacuum suction cup (502) to move up and down.
2. The automatic tinning device for voice coils in an electronic packaging process according to claim 1, characterized in that: The cooling device (3) further includes a cooling furnace (301). The bottom of the cooling furnace (301) is fixedly bolted to the top of the workbench (1). The circulation pipe (304) is located in the inner cavity of the cooling furnace (301). One end of the circulation pipe (304) is fixedly connected to the water outlet end of the water pump (303), and the other end of the circulation pipe (304) is fixedly connected to a return pipe (305). The end of the return pipe (305) far away from the circulation pipe (304) is inserted into the water tank (302).
3. The automatic tinning device for voice coils in an electronic packaging process according to claim 2, characterized in that: The water pump (303) is connected to the water tank (302) through a hose. The top of the water tank (302) is fixedly bolted to the bottom of the workbench (1).
4. An automatic tinning device for voice coils in an electronic packaging process according to claim 1, characterized in that: The adjusting device (4) includes a motor (401). The output shaft end of the motor (401) is fixedly connected with a driving gear (402). The teeth of the driving gear (402) are engaged with a driven gear (403). The top of the driven gear (403) is rotatably connected to the bottom of the workbench (1). The top of the driven gear (403) is fixedly connected with a mounting plate (404). The mounting plate (404) penetrates through the workbench (1) and is rotatably connected to the inner wall of the workbench (1). The top of the mounting plate (404) is fixedly connected with a fixing frame (405) by bolts.
5. The automatic tinning device for voice coils in an electronic packaging process according to claim 1, characterized in that: The bottom of the electric push rod (501) is fixedly bolted to the top of the fixing frame (405). The power rod of the electric push rod (501) penetrates through the fixing frame (405) and is slidably connected to the inner wall of the fixing frame (405).
6. An automatic tin soldering device for voice coils in an electronic packaging process according to claim 1, characterized in that: The bottom of the workbench (1) is welded and fixed with a support column (6). The inner wall of the support column (6) is fixedly connected with a fixing plate (7) by bolts. The top of the fixing plate (7) is fixedly connected with the bottom of the motor (401) by bolts.
Citation Information
Patent Citations
Voice coil automatic tinning device
CN217052354U