Gluing device for voice coil

Abstract

The utility model relates to the technical field of gluing for voice coils, and discloses a gluing device for voice coils, which comprises a base and a placing table, one end of the top of the base is fixedly connected with a hydraulic rod, the top of the hydraulic rod is fixedly connected with a connecting block, one end of the top of the connecting block is fixedly connected with a top plate, and the bottom of a motor is fixedly connected with a rotating shaft. A first gear is fixedly connected to the middle of the rotating shaft, a second gear is connected to one end of the first gear in a meshed mode, a fixing rod is fixedly connected to the bottom of the second gear, a rolling brush is rotatably connected to the interior of the fixing base, and a hydraulic rod is started to drive a top plate and the fixing rod to move downwards, so that the rolling brush makes contact with the to-be-glued part of the voice coil; and then the motor is started, the motor drives the rotating shaft and the first gear to rotate, the second gear does circular motion around the first gear, the second gear drives the fixing rod, the fixing seat and the rolling brush to move, the rolling brush rolls forwards around the to-be-glued area of the voice coil, and therefore glue is smeared evenly.

Description

Technical Field

[0001] The utility model relates to the technical field of gluing for voice coils, in particular to a gluing device for voice coils. Background Art

[0002] A speaker is a transducer that converts electrical signals into sound signals. The performance of the speaker has a great impact on the sound quality. The speaker is the weakest component in the audio equipment, but it is also the most important component for the sound effect. There are many types of speakers, and the prices vary greatly. Audio electrical energy vibrates the cone or diaphragm through electromagnetic, piezoelectric or electrostatic effects and resonates with the surrounding air to produce sound.

[0003] The voice coil is directly defined as a coil through which audio current passes. It is an important part of the vibration system of an electric speaker, and can be said to be the heart of the speaker. The performance of the voice coil will affect the speaker's sound pressure frequency characteristics, sound pressure level, impedance curve, distortion, transient characteristics, speaker parameters, sound quality, etc., especially the speaker's power handling and life. Just like the fatal factors of heart disease, speaker damage often starts from the voice coil.

[0004] With respect to the existing related technologies, the inventors believe that the following defects exist: during the production process of existing speakers, the voice coil is generally manually coated with glue, and then the voice coil and the diaphragm are bonded together. However, the manual application of glue has the disadvantages of uneven application and low efficiency. Utility Model Content

[0005] In order to solve the technical problem that the existing method of manually applying glue to the voice coil and then fitting the voice coil to the diaphragm has the disadvantages of uneven glue application and low efficiency, the utility model provides a glue application device for the voice coil.

[0006] The utility model is implemented by the following technical scheme: a gluing device for a voice coil, comprising a base and a placing table, the placing table is located at the top of the base, one end of the top of the base is fixedly connected to a hydraulic rod, the top of the hydraulic rod is fixedly connected to a connecting block, one end of the top of the connecting block is fixedly connected to a top plate, a motor is arranged on the top of the top plate, the bottom of the motor is fixedly connected to a rotating shaft, the middle of the rotating shaft is fixedly connected to a first gear, one end of the first gear is meshingly connected to a second gear, the bottom of the second gear is fixedly connected to a fixed rod, a glue box is arranged on one side of the fixed rod, the bottom of the fixed rod is fixedly connected to a fixed seat, and a roller brush is rotatably connected inside the fixed seat.

[0007] Preferably, a groove is processed inside the top plate, the top end of the rotating shaft is rotatably connected to the top inner wall of the groove, and the bottom end of the rotating shaft is rotatably connected to the bottom inner wall of the groove.

[0008] Preferably, the first gear is rotatably connected to the inside of the groove, and the second gear is rotatably connected to the inside of the groove.

[0009] Preferably, an annular groove is processed at the bottom of the groove, the top of the fixing rod is movably connected to the inside of the annular groove, and the second gear is located at the top of the annular groove.

[0010] Preferably, an inner cavity channel is processed inside the fixing rod, and the interior of the rubber box is connected with the interior of the inner cavity channel.

[0011] Preferably, an arc groove is processed on the bottom of the fixing rod, the bottom of the fixing rod fits with the top of the roller brush, and the top of the roller brush is in contact connection with the bottom of the inner cavity channel.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] When the utility model is in use, a loudspeaker with a voice coil to be processed is placed inside a placing table, and then a hydraulic rod is started, which drives a connecting block, a top plate and a fixing rod to move downward, so that a roller brush contacts a portion of the voice coil to be coated with glue, and then a motor is started, which drives a rotating shaft and a first gear to rotate, and the first gear drives the second gear to perform a circular motion around the first gear, and the second gear drives the fixing rod, a fixing seat and a roller brush to move, so that the roller brush rolls forward around the region of the voice coil to be coated with glue, thereby evenly coating the glue. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0015] Figure 2 It is a cross-sectional view of the top plate of the utility model;

[0016] Figure 3 It is a schematic diagram of the connection structure between the first gear and the second gear of the utility model.

[0017] In the figure: 1. base; 2. placing table; 3. hydraulic rod; 4. connecting block; 5. top plate; 6. motor; 7. rotating shaft; 8. first gear; 9. groove; 10. annular groove; 11. second gear; 12. fixing rod; 13. rubber box; 14. inner cavity channel; 15. fixing seat; 16. roller brush. DETAILED DESCRIPTION

[0018] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.

[0019] Example 1: Please refer to Figure 1 - Figure 3 A glue-spraying device for a voice coil in this embodiment comprises a base 1 and a placing table 2, the placing table 2 is located at the top of the base 1, a hydraulic rod 3 is fixedly connected to one end of the top of the base 1, a connecting block 4 is fixedly connected to the top of the hydraulic rod 3, a top plate 5 is fixedly connected to one end of the top of the connecting block 4, a motor 6 is arranged on the top of the top plate 5, a rotating shaft 7 is fixedly connected to the bottom of the motor 6, a first gear 8 is fixedly connected to the middle of the rotating shaft 7, a second gear 11 is meshingly connected to one end of the first gear 8, a fixed rod 12 is fixedly connected to the bottom of the second gear 11, a glue box 13 is arranged on one side of the fixed rod 12, a fixed seat 15 is fixedly connected to the bottom of the fixed rod 12, and a roller brush 16 is rotatably connected to the inside of the fixed seat 15;

[0020] When the voice coil needs to be coated with glue, the speaker with the voice coil to be processed is first placed inside the placement table 2, and then the hydraulic rod 3 is started, the hydraulic rod 3 will drive the connecting block 4 to move downward, the connecting block 4 will drive the top plate 5 to move downward, and the top plate 5 will drive the second gear 11, the fixing rod 12, the fixing seat 15 and the roller brush 16 to move downward, so that the roller brush 16 contacts the part of the voice coil to be coated with glue;

[0021] Secondly, start the motor 6, the motor 6 will drive the rotating shaft 7 to rotate, the rotating shaft 7 will drive the first gear 8 to rotate, the rotation of the first gear 8 will drive the second gear 11 to rotate, and at the same time make the second gear 11 move around the outside of the first gear 8, make the fixing rod 12 do circular motion around the first gear 8, the fixing rod 12 will drive the fixing seat 15 and the roller brush 16 to move, because the roller brush 16 rotates inside the fixing seat 15, when the roller brush 16 applies glue to the surrounding of the voice coil, it can roll forward around the area to be glued on the voice coil, so as to facilitate the glue to be evenly applied to the top of the voice coil;

[0022] Furthermore, a groove 9 is machined inside the top plate 5, the top end of the rotating shaft 7 is rotatably connected to the top inner wall of the groove 9, and the bottom end of the rotating shaft 7 is rotatably connected to the bottom inner wall of the groove 9. When the rotating shaft 7 rotates, the rotating shaft 7 will drive the first gear 8 to rotate, and the first gear 8 will rotate inside the groove 9;

[0023] Furthermore, the first gear 8 is rotatably connected to the inside of the groove 9, and the second gear 11 is rotatably connected to the inside of the groove 9. When the first gear 8 rotates to drive the second gear 11 to rotate, the second gear 11 makes a circular motion around the first gear 8, and the second gear 11 will drive the fixing rod 12 to make a circular motion around the first gear 8.

[0024] Furthermore, an annular groove 10 is machined at the bottom of the groove 9, and the top of the fixing rod 12 is movably connected to the inside of the annular groove 10. The second gear 11 is located at the top of the annular groove 10. When the second gear 11 drives the fixing rod 12 to make a circular motion around the first gear 8, the fixing rod 12 will move along the inside of the annular groove 10, and the annular groove 10 will limit the movement of the fixing rod 12.

[0025] Furthermore, an inner cavity channel 14 is processed inside the fixing rod 12, the interior of the glue box 13 is connected with the interior of the inner cavity channel 14, an arc groove is processed at the bottom of the fixing rod 12, the bottom of the fixing rod 12 is fitted with the top of the roller brush 16, the top of the roller brush 16 is contact-connected with the bottom of the inner cavity channel 14, and the interior of the glue box 13 is connected with the interior of the inner cavity channel 14, so that glue can enter the interior of the inner cavity channel 14 from the inside of the glue box 13, so that the glue contacts the roller brush 16 at the bottom of the inner cavity channel 14, and since the top of the roller brush 16 is fitted with the fixing rod 12, the roller brush 16 can be rotated conveniently so that the glue can be evenly applied to the top of the voice coil.

[0026] Working principle: by placing the loudspeaker with the voice coil to be processed inside the placement table 2, and then starting the hydraulic rod 3, the hydraulic rod 3 will drive the connecting block 4 to move downward, the connecting block 4 will drive the top plate 5 to move downward, the top plate 5 will drive the second gear 11, the fixed rod 12, the fixed seat 15 and the roller brush 16 to move downward, so that the roller brush 16 contacts the part of the voice coil to be glued, start the motor 6, the motor 6 will drive the rotating shaft 7 to rotate, the rotating shaft 7 will drive the first gear 8 to rotate, the rotation of the first gear 8 will drive the second gear 11 to rotate, so that the second gear 11 makes a circular motion around the first gear 8, the second gear 11 will drive the fixed rod 12, the fixed seat 15 and the roller brush 16 to move, so that the roller brush 16 rolls forward around the area of ​​the voice coil to be glued, so that the glue can be evenly applied.

[0027] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A glue-applying device for a voice coil, comprising a base (1) and a placement table (2), characterized in that: The placement table (2) is located on the top of the base (1); one end of the top of the base (1) is fixedly connected to a hydraulic rod (3); the top of the hydraulic rod (3) is fixedly connected to a connecting block (4); one end of the top of the connecting block (4) is fixedly connected to a top plate (5); a motor (6) is arranged on the top of the top plate (5); the bottom of the motor (6) is fixedly connected to a rotating shaft (7); the middle of the rotating shaft (7) is fixedly connected to a first gear (8); one end of the first gear (8) is meshingly connected to a second gear (11); the bottom of the second gear (11) is fixedly connected to a fixed rod (12); a rubber box (13) is arranged on one side of the fixed rod (12); the bottom of the fixed rod (12) is fixedly connected to a fixed seat (15); the interior of the fixed seat (15) is rotatably connected to a roller brush (16).

2. A glue-applying device for a voice coil according to claim 1, characterized in that: A groove (9) is machined inside the top plate (5), the top end of the rotating shaft (7) is rotatably connected to the top inner wall of the groove (9), and the bottom end of the rotating shaft (7) is rotatably connected to the bottom inner wall of the groove (9).

3. A glue-applying device for a voice coil according to claim 2, characterized in that: The first gear (8) is rotatably connected to the interior of the groove (9), and the second gear (11) is rotatably connected to the interior of the groove (9).

4. A glue-applying device for a voice coil according to claim 2, characterized in that: An annular groove (10) is machined at the bottom of the groove (9), the top of the fixing rod (12) is movably connected to the inside of the annular groove (10), and the second gear (11) is located at the top of the annular groove (10).

5. The gluing device for voice coil according to claim 1, characterized in that: An inner cavity channel (14) is processed inside the fixing rod (12), and the interior of the rubber box (13) is connected to the interior of the inner cavity channel (14).

6. The gluing device for voice coil according to claim 1, characterized in that: The bottom of the fixing rod (12) is processed with an arc groove, the bottom of the fixing rod (12) fits with the top of the rolling brush (16), and the top of the rolling brush (16) is in contact connection with the bottom of the inner cavity channel (14).

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