Loudspeaker diaphragm automatic laminating equipment and use method thereof

Abstract

The invention relates to the technical field of loudspeaker diaphragm installation, in particular to automatic loudspeaker diaphragm laminating equipment and a use method thereof. Comprising a base, a rotating table is installed at the top of the base, a framework is installed at the top of the rotating table, a guide rail is installed at the top of the base, two gluing valves are installed on a sliding table of the guide rail, glue outlet pipes are installed at the glue outlet ends of the gluing valves, and each glue outlet pipe comprises a first pipe body, and a second pipe body is slidably installed in the first pipe body; by arranging the double elastic pieces and the movable pipe body structure in the glue outlet pipe and utilizing the design that the elastic coefficient of the second tension spring is larger than that of the first tension spring, when glue coating is finished, the third pipe body is driven to rapidly incline through contraction of the second tension spring, the form of a glue channel is changed, and the glue outlet nozzle is driven to move; and after glue coating, glue connection is cut off, and the whole is driven to reset through contraction of the tension spring I, so that the problem of influence on installation due to glue wire drawing after glue coating in the background technology is solved.

Description

Technical Field

[0001] This invention relates to the field of speaker diaphragm installation technology, and more specifically, to an automatic speaker diaphragm bonding device and its usage method. Background Technology

[0002] As the core component of a speaker's sound production, the installation accuracy of the speaker diaphragm directly affects its acoustic performance. Currently, the industry commonly uses adhesive bonding. First, adhesive is evenly applied to the top of the upper ring of the speaker frame, and at the junction of the outer ring of the frame with the voice coil and spider. Then, the bottom of the inner ring of the diaphragm is bonded to the top of the voice coil, and the bottom of the outer ring is bonded to the top of the frame. The diaphragm is securely installed through the curing of the adhesive. This process is simple, low-cost, and widely used in mass production of speakers.

[0003] In current speaker manufacturing, the adhesives used in the coating process are mostly hot melt adhesives, epoxy resin adhesives, or silicone adhesives. These adhesives typically have a certain viscosity and ductility to ensure bonding strength. However, after coating, the adhesive between the nozzle of the coating equipment and the coated surface cannot be immediately disconnected. As the nozzle is lifted upwards, the adhesive forms continuous filaments due to its own viscosity, resulting in stringing.

[0004] Although these glue strands will not directly cause speaker malfunctions or performance issues, the stranded glue may stick to the surface of precision components such as the speaker's voice coil and spider, thus indirectly affecting the speaker's sound quality. Some strands may also be pressed out of the adhesive surface during diaphragm bonding, resulting in uneven bonding gaps, reducing the flatness of the diaphragm installation, and even causing abnormal diaphragm resonance. Summary of the Invention

[0005] This invention provides an automatic horn diaphragm bonding device and its usage method. By setting up a double elastic element and a movable tube structure in the glue dispensing tube, and utilizing the design that the elastic coefficient of the second tension spring is greater than that of the first tension spring, at the end of glue application, the contraction of the second tension spring drives the third tube to tilt rapidly, changing the shape of the glue channel and driving the glue dispensing nozzle to sever the glue connection. Then, the contraction of the first tension spring drives the whole device to return to its original position, thereby solving the problem of glue stringing and affecting installation mentioned in the background art.

[0006] To achieve the above objectives, an automatic diaphragm bonding device for a loudspeaker includes a loudspeaker, which includes a frame. A voice coil and a spider are installed inside the frame. The voice coil is the sound-generating driving component of the loudspeaker, and the spider serves as a guide and damper.

[0007] The base has a rotating platform mounted on its top. The rotating platform is an electric indexing plate with rotation and positioning functions. A clamping mechanism with flexible rubber grippers is mounted on the top of the rotating platform for precise support and fixation of the frame. The drive motor inside the base can drive the rotating platform to rotate the frame smoothly.

[0008] The top of the base is equipped with a guide rail via a bracket. The guide rail is a high-precision linear guide rail, which provides stable operation and accurate positioning. Two glue-applying valves are installed on the slide of the guide rail. The glue-applying valves are pneumatic diaphragm valves, which can accurately control the flow and amount of glue. The glue-applying valves are connected to the glue storage tank via rubber pipes, and the glue outlet end of the glue-applying valve is equipped with a glue outlet pipe.

[0009] The guide rail drives the glue dispensing valve to move in a straight line, thereby achieving precise alignment between the glue dispensing tube and the glue dispensing surface. The glue dispensing valve controls the output and stop of the glue.

[0010] In the above technical solution, the dispensing tube includes a tube body one installed at the dispensing end of the dispensing valve, a tube body two slidably installed inside the tube body one, a rubber ring fixedly installed at the bottom of the tube body two, the rubber ring having good elasticity and sealing performance, a tube body three installed at the bottom of the rubber ring, and a dispensing nozzle integrally formed at the bottom of the tube body three.

[0011] The two sides of the tube body 2 and the tube body 3 are provided with inclined grooves, and the two ends of the rubber ring are embedded in the inclined grooves and fixed by pressing to ensure a tight connection.

[0012] The outer walls of tube body one, tube body two, and tube body three are all integrally formed with mounting rods on the same side. The mounting rods are metal lug structures. A tension spring one is installed between the mounting rods on tube body one and tube body two, and a tension spring two is installed between the mounting rods on tube body two and tube body three. The elastic coefficient of tension spring two is greater than that of tension spring one, ensuring that tension spring two contracts before tension spring one when the adhesive is applied.

[0013] A support block 1 is fixedly connected to the outer wall of the tube body 1 away from the tension spring 1, and a support block 2 is fixedly connected to the outer wall of the tube body 2 away from the tension spring 1. A nut is welded and fixed on the support block 1, and a through hole is opened on the support block 2. The center of the nut and the through hole are located on the same horizontal line. A bolt is inserted into the through hole, and the threaded end of the bolt is threaded into the nut.

[0014] A method of using an automatic speaker diaphragm bonding device includes the following steps: S1. Preliminary positioning for processing: The speaker frame is fixedly mounted on the rotating platform. Two glue valves are driven to move synchronously through the guide rail, so that the glue nozzles of the two glue tubes are precisely aligned with the top of the upper ring of the frame and the junction of the voice coil and the spider inside the frame, respectively. S2, Adhesive application stage: S2.1 Start the rotary table to drive the frame to rotate at a constant speed; S2.2 Simultaneously open the two glue application valves, and the glue is injected into the tube body of the glue outlet through the glue application valves; S2.3 The glue forms a vertical thrust inside the tube, pushing the second tube body downward along the first tube body, causing the third tube body to rotate around the rubber ring to a vertical state. Then the glue is evenly discharged through the glue nozzle and applied to the corresponding glued base surface. S3, Glue Cut-off Stage: S3.1 After the glue application is completed, close the glue application valve and stop supplying glue to the glue outlet pipe; S3.2 After the glue supply stops, the hydraulic pressure in the glue channel disappears, the tube body three quickly rotates in the opposite direction and returns to the tilted state, forcibly pulling the glue on the glue-coated base surface and the glue at the nozzle port off. At the same time, the tube body two moves upward along the tube body one to reset, simultaneously driving the tube body three and the nozzle away from the glue-coated base surface, completely disconnecting the glue connection. S4. Fitting complete: The two glue-applying valves are retracted to their initial positions via a guide rail, allowing the bottom of the inner and outer rings of the diaphragm to be attached to the glue layers on the top of the voice coil and the top of the upper ring of the frame, respectively. Compared with the prior art, the beneficial effects of the present invention are as follows: By setting up a deformable dispensing tube and two tension springs with different elastic coefficients, the glue pressure overcomes the tension spring force during glue application, keeping the tube body three vertically dispensing glue. After glue application, tension spring two (with a larger elastic coefficient) pulls the tube body three to tilt first, quickly cutting off the glue entanglement. Then, tension spring one pulls the tube body two to retract, completely disconnecting the glue. This achieves the working principle of hydraulically driven deployment and elastically driven reset, solving the stringing problem caused by high glue viscosity in traditional glue application equipment, improving the flatness and sealing of diaphragm installation, reducing manual cleaning processes, and increasing production efficiency. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the loudspeaker structure; Figure 2 This is a schematic diagram of the overall structure of the present invention; Figure 3 This is a schematic diagram of the structure when the present invention is in use; Figure 4 This is a schematic diagram of the dispensing tube of the present invention aligned with the adhesive substrate; Figure 5 for Figure 4 Another perspective illustration; Figure 6 This is an enlarged structural schematic diagram of the glue-applying valve and glue-dispensing tube in this invention; Figure 7 for Figure 6 Enlarged structural diagram at point A in the middle; Figure 8 This is a schematic cross-sectional view of the dispensing tube in this invention; Figure 9 This is a schematic diagram showing the change in the posture of the dispensing tube during the pre-dispensing stage of the present invention; Figure 10 This is a schematic diagram of the change in the posture of the dispensing tube during the glue-cutting stage of the present invention; Figure 11 This is a schematic diagram of the speaker attachment structure after the adhesive has been applied according to the present invention.

[0016] The meanings of the labels in the diagram are as follows: 1. Speaker; 11. Frame; 12. Voice coil; 13. Spider; 14. Diaphragm; 2. Base; 3. Rotary table; 4. Guide rail; 5. Glue valve; 6. Glue outlet tube; 61. Tube body one; 62. Tube body two; 63. Rubber ring; 64. Tube body three; 65. Glue outlet nozzle; 66. Mounting rod; 67. Tension spring one; 68. Tension spring two; 69. Support block one; 610. Support block two; 611. Bolt. Detailed Implementation

[0017] The technical solutions of this invention will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this invention, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this invention without creative effort are within the scope of protection of this invention.

[0018] refer to Figure 1 As shown, the speaker 1 includes a frame 11. Inside the frame 11, a voice coil 12 and a spider 13 are installed. The voice coil 12 is the sound-generating driving component of the speaker, and the spider 13 plays a guiding and damping role. In the traditional process, glue is applied to the top of the upper ring of the frame 11 and the junction of the outer ring with the voice coil 12 and the spider 13 using a glue gun. Then, the bottom of the inner ring of the diaphragm 14 is glued to the top of the voice coil 12, and the bottom of the outer ring is glued to the top of the frame 11, thus completing the installation of the diaphragm 14.

[0019] However, traditional glue gun application has obvious defects. When the glue gun is lifted after application, the glue between the nozzle and the substrate cannot be directly broken due to its stickiness. As the glue gun is lifted, glue will string, affecting subsequent installation.

[0020] Therefore, the present invention discloses an automatic horn diaphragm bonding device, referenced... Figure 2As shown, the system includes a base 2, a rotating table 3 mounted on the top of the base 2, the rotating table 3 being an electric indexing plate with rotation positioning function, and a clamping mechanism mounted on the top of the rotating table 3. The clamping mechanism uses flexible rubber clamping claws for precise support and fixation of the frame 11. The drive motor inside the base 2 can drive the rotating table 3 to rotate the frame 11 smoothly.

[0021] The top of the base 2 is equipped with a guide rail 4 via a bracket. The guide rail 4 is a high-precision linear guide rail, which has the function of smooth operation and accurate positioning. Two glue dispensing valves 5 are installed on the slide table of the guide rail 4. The glue dispensing valves 5 are pneumatic diaphragm valves, which can accurately control the flow and dispensing of glue. The glue dispensing valves 5 are connected to the glue storage tank through rubber pipes. The glue dispensing end of the glue dispensing valves 5 is equipped with a glue dispensing pipe 6.

[0022] The guide rail 4 drives the glue dispensing valve 5 to move in a straight line, achieving precise alignment between the glue dispensing tube 6 and the glue dispensing surface. The glue dispensing valve 5 controls the output and stop of the glue.

[0023] For details, please refer to the following: Figure 3 As shown, during the glue application stage, the frame 11 is placed on the clamping mechanism of the rotary table 3. The clamping mechanism automatically clamps the frame 11. Then, the guide rail 4 drives the two glue application valves 5 to move simultaneously toward the frame 11, so that the two glue outlet tubes 6 are precisely aligned with the top of the upper coil of the frame 11 and the junction of the voice coil 12 and the spider 13, respectively. Figure 4-5 As shown.

[0024] Next, the rotary table 3 drives the frame 11 to rotate at a constant speed around the center. The rotation speed can be adjusted according to the glue application width and glue dispensing amount. At the same time, the glue application valve 5 opens, steadily injecting glue into the glue dispensing tube 6. The glue flows out evenly through the glue dispensing nozzle 65. As the frame 11 rotates one revolution, the glue forms a continuous and uniform glue ring at the junction of the top of the frame 11 with the voice coil 12 and the spider 13. After the adhesive is applied, the guide rail 4 controls the two adhesive valves 5 to quickly retract to their initial positions, and then the bonding operation of the diaphragm 14 can be carried out.

[0025] To prevent stringing between the dispensing tube 6 and the substrate when the dispensing valve 5 returns to its initial position, refer to... Figure 6-8 As shown, the dispensing tube 6 includes a tube body 61 installed at the dispensing end of the dispensing valve 5. A tube body 62 is slidably installed inside the tube body 61. A rubber ring 63 is fixedly installed at the bottom of the tube body 62. The rubber ring 63 has good elasticity and sealing performance. A tube body 64 is installed at the bottom of the rubber ring 63. A dispensing nozzle 65 is integrally formed at the bottom of the tube body 64.

[0026] Among them, the opposite surfaces of tube body 2 62 and tube body 3 64 are provided with inclined grooves, and the two ends of the rubber ring 63 are embedded in the inclined grooves and fixed by pressing to ensure a tight connection.

[0027] The outer walls of tube body 1 (61), tube body 2 (62), and tube body 3 (64) on the same side are all integrally formed with mounting rods 66. The mounting rods 66 are metal lug structures. A tension spring 1 (67) is installed between the mounting rods 66 on tube body 1 (61) and tube body 2 (62), and a tension spring 2 (68) is installed between the mounting rods 66 on tube body 2 (62) and tube body 3 (64). The elastic coefficient of tension spring 2 (68) is greater than that of tension spring 1 (67), ensuring that tension spring 2 (68) shrinks before tension spring 1 (67) when the adhesive is applied.

[0028] Next, refer to Figure 9 As shown in the first state, in the initial state, the tension spring 67 pulls the tube 62 to retract inside the tube 61 in its natural state, so that the overall length of the dispensing tube 6 is the shortest. Due to the inclined groove between tube body 2 62 and tube body 3 64, and the connection between the inclined grooves by rubber ring 63, which has no rigid support, under the natural tension of tension spring 2 68, one side of tube body 3 64 tilts towards tension spring 2 68. At this time, the side of rubber ring 63 closest to tension spring 2 68 is squeezed and deformed, the glue nozzle 65 is tilted, and the glue outlet channel is bent.

[0029] To guide and limit the movement of the second tube 62, a support block 69 is fixedly connected to the outer wall of the first tube 61 on the side away from the first tension spring 67, and a support block 610 is fixedly connected to the outer wall of the second tube 62 on the side away from the first tension spring 67. A nut is welded and fixed on the support block 69, and a through hole is opened on the support block 610. The center of the nut and the through hole are on the same horizontal line. A bolt 611 is inserted into the through hole, and the threaded end of the bolt 611 is threaded into the nut.

[0030] The engagement of bolt 611 and nut forms an adjustable stroke limiting structure. When the second tube 62 slides up and down, the second support block 610 can slide along bolt 611. The head of bolt 611 can block the second support block 610 from continuing to move down, thereby limiting the maximum downward movement distance of the second tube 62. Meanwhile, by rotating bolt 611, the distance between the head of bolt 611 and nut can be changed, and the movement range of tube 2 62 can be precisely controlled, thereby adjusting the distance between the dispensing nozzle 65 and the adhesive substrate to adapt to the application needs of different thicknesses of adhesive.

[0031] For detailed glue application steps, please refer to the attached document. Figure 9As shown (to facilitate the disclosure of the structural principle, this schematic diagram only shows the glue dispensing state of one of the glue dispensing tubes 6), in the initial state, tube body 2 62 is retracted inside tube body 1 61 under the tension of tension spring 1 67, and tube body 3 64 is in an inclined state under the tension of tension spring 2 68, and the glue channel is bent. At this time, the glue application valve 5 is in the closed state, and the glue cannot enter the glue channel. Then, by rotating the bolt 611, the maximum downward movement position of tube body 2 62 is adjusted. This distance is the distance between the glue dispensing nozzle 65 and the glue application base surface during glue application, which is the thickness of the glue on the base surface. According to the bonding requirements of the speaker diaphragm, the glue application thickness is adjusted to the preset value. After the adjustment is completed, the bolt 611 is fixed and no longer rotated.

[0032] Next, the slide of guide rail 4 drives the glue dispensing valve 5 to move, so that the glue nozzle 65 is aligned with the preset glue dispensing position. Then, the rotary table 3 drives the frame 11 to rotate at a constant speed. At the same time, the glue dispensing valve 5 opens, and the glue enters the first tube 61 under the preset pressure. Then it flows to the second tube 62 and attempts to enter the third tube 64. However, since the third tube 64 is in an inclined state at this time, the glue channel is bent instead of a straight cylinder cavity that facilitates liquid flow. The glue will be resisted at the bend in the channel during the flow. At the same time, the hydraulic pressure of the glue itself will apply a vertical downward pressure to the inner wall of the third tube 64. At this time, since the elastic coefficient of the first spring 67 is less than that of the second spring 68, the hydraulic force of the glue first overcomes the elastic force of the first spring 67, causing the first spring 67 to be stretched. This causes the second tube 62 and the third tube 64 to move downward together until the second support block 610 contacts the head of the bolt 611, and the second tube 62 stops moving downward.

[0033] Then, the glue is continuously injected, and the hydraulic pressure of the glue continues to increase. Since the glue flows vertically downward, this hydraulic pressure will apply a uniform vertical downward pressure to the inner wall of the inclined tube 64, forcing the elastic force of the tension spring 68 to no longer maintain the inclined state of the tube 64. At this time, the tension spring 68 is stretched, and the rubber ring 63 is fully unfolded under the combined action of the glue pressure and the tension of the tension spring 68. The side of the tube 62 and the tube 64 away from the tension spring 68 is supported and fixed by their end faces, so that the tube 64 changes from an inclined posture to a vertical posture. At this time, the axes of the tube 61, the tube 62 and the tube 64 are on the same straight line, forming a smooth straight cylindrical inner cavity. The glue channel has no bends or obstructions, and the glue can flow smoothly along the straight cylindrical inner cavity and be evenly discharged through the conical glue nozzle 65, and applied to the glue-coating base surface of the skeleton 11. As the skeleton 11 rotates at a uniform speed, a uniform glue layer is formed.

[0034] Next, refer to the appendix. Figure 10As shown, as the base 2 drives the frame 11 to rotate one revolution, the glue is also applied to the preset glue application position one revolution. The glue application process is completed. At this time, the glue application valve 5 is immediately closed, stopping the injection of glue into the tube 61. At this time, the glue in the glue channel loses the hydraulic thrust. Since the elastic coefficient of the tension spring 68 is greater than that of the tension spring 67, the tension spring 68 will contract first. Its contraction tension will quickly pull the tube 64 to tilt to the side of the tension spring 68, so that the tube 64 quickly returns to the initial tilted posture. During the rapid tilting of the tube 64, the port of the glue nozzle 65 will quickly move to one side. The connection between the glue originally attached to the glue application base and the glue at the port of the glue nozzle 65 will be quickly pulled and broken. At the same time, the tilting of the tube 64 will generate a certain centrifugal force, which will throw the small amount of glue remaining at the port of the glue nozzle 65 to one side, so that the glue connecting the glue and the port of the glue nozzle 65 will be quickly reduced, fundamentally avoiding the occurrence of stringing.

[0035] After tension spring 2 68 is fully retracted and tube 3 64 is stabilized in an inclined position, tension spring 1 67 begins to retract. Its retraction force will pull tube 2 62 upward, which in turn will drive tube 3 64 upward, causing the distance between the dispensing nozzle 65 port and the adhesive surface to increase rapidly. At this time, the small amount of remaining adhesive between the adhesive and the dispensing nozzle 65 port will be completely broken, achieving complete disconnection of the adhesive. Afterward, guide rail 4 controls the adhesive valve 5 to return to the initial position, waiting for the next adhesive application process.

[0036] The glue applicator 5 is equipped with a check valve and a pressure relief channel. After the glue applicator 5 is closed, the check valve will immediately cut off the glue channel to prevent the glue in the storage tank from continuing to flow out of the glue tube 6. At the same time, the pressure relief channel will quickly release the residual pressure in the glue channel of the glue tube 6, so that the glue in the glue channel is in a pressureless state. When the tube body 3 64 is tilted and the tube body 2 62 is retracted, the inner volume of the glue channel will become smaller. However, since the check valve of the glue applicator 5 has cut off the glue supply and there is no residual pressure in the channel, the viscosity of the glue itself will keep it in the channel and will not be squeezed out due to the decrease in volume. At the same time, the wedge-shaped structure of the rubber ring 63 will be slightly deformed when the tube body 3 64 is tilted, and a small buffer space will be formed inside, which can accommodate the small amount of glue displacement caused by the change in volume, further preventing the glue from being squeezed out.

[0037] Finally, after the glue valve 5 returns to its initial position, align the bottom of the inner ring of the diaphragm 14 with the top of the voice coil 12, and align the bottom of the outer ring with the glue ring at the top of the upper ring of the frame 11. Gently press the diaphragm 14 to ensure a tight fit between the diaphragm 14 and the glue layer. Figure 11 As shown, after pressing and fixing, the speaker 1 with the attached diaphragm 14 is removed from the clamping mechanism of the rotating table 3 and placed in the curing device for glue curing. After curing, the automatic bonding process of the entire speaker diaphragm is completed.

[0038] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic horn diaphragm bonding device, characterized in that: Includes a loudspeaker (1), which includes a frame (11), inside which a voice coil (12) and a spider (13) are installed, and on top of the frame (11) a diaphragm (14). The base (2) has a rotating platform (3) installed on its top. The frame (11) is installed on the top of the rotating platform (3). The base (2) has a guide rail (4) installed on its top. Two glue valves (5) are installed on the slide of the guide rail (4). The glue outlet end of the glue valve (5) is equipped with a glue outlet pipe (6). The dispensing tube (6) includes a tube body one (61), a tube body two (62) is slidably installed inside the tube body one (61), and a first elastic element is connected between the tube body one (61) and the tube body two (62). A rubber ring (63) is installed at the bottom of the tube body two (62), and a tube body three (64) is installed at the bottom of the rubber ring (63). A second elastic element is connected between the tube body two (62) and the tube body three (64). The cavity of the tube body one (61), the tube body two (62), the rubber ring (63) and the tube body three (64) is a glue channel.

2. The automatic horn diaphragm bonding device according to claim 1, characterized in that: The elastic coefficient of the second elastic element is greater than that of the first elastic element. When the glue application is finished, it drives the shape of the glue channel to change and drives the glue outlet to move, thereby disconnecting the glue. The first elastic element is a tension spring one (67), and the second elastic element is a tension spring two (68).

3. The automatic horn diaphragm bonding device according to claim 2, characterized in that: The outer walls of the first tube (61), the second tube (62), and the third tube (64) are all fixedly connected with mounting rods (66), and the first tension spring (67) is installed between the mounting rods (66) on the first tube (61) and the second tube (62).

4. The automatic horn diaphragm bonding device according to claim 3, characterized in that: The second tension spring (68) is installed between the mounting rod (66) on the second tube (62) and the third tube (64), and the elastic coefficient of the second tension spring (68) is greater than that of the first tension spring (67).

5. The automatic horn diaphragm bonding device according to claim 3, characterized in that: The two sides of the tube body (62) and the tube body (64) are provided with inclined grooves. The two ends of the rubber ring (63) are installed in the inclined grooves. The rubber ring (63) is a wedge-shaped ring with one side higher than the other side, and the higher side is located on the side of the tension spring (68).

6. The automatic horn diaphragm bonding device according to claim 1, characterized in that: A support block 1 (69) is fixedly connected to the outer wall of the tube body 1 (61) away from the tension spring 1 (67), and a support block 2 (610) is fixedly connected to the outer wall of the tube body 2 (62) away from the tension spring 1 (67).

7. The automatic horn diaphragm bonding device according to claim 6, characterized in that: A nut is welded and fixed on the first support block (69), and a through hole is opened on the second support block (610). The center of the nut and the through hole are on the same horizontal line. A bolt (611) is inserted in the through hole. The threaded end of the bolt (611) is connected to the nut, and its bolt head is located at the bottom of the second support block (610).

8. The automatic horn diaphragm bonding device according to claim 1, characterized in that: The bottom of the tube body three (64) is fixedly connected to a glue outlet (65), which is conical in shape with its small diameter end facing the glue-coated base surface.

9. The automatic horn diaphragm bonding device according to claim 1, characterized in that: The glue outlet pipes (6) of the two glue valves (5) correspond to the top of the upper ring of the skeleton (11) and the junction of the upper voice coil (12) and the spider (13) of the skeleton (11), respectively.

10. A method of using an automatic horn diaphragm bonding device, comprising using the automatic horn diaphragm bonding device according to claim 4, characterized in that, Includes the following steps: S1. Preliminary positioning for processing: The speaker frame (11) is fixedly installed on the rotating table (3). The two glue valves (5) are driven to move synchronously through the guide rail (4) so ​​that the glue nozzles (65) of the two glue tubes (6) are precisely aligned with the top of the upper ring of the frame (11) and the junction of the voice coil (12) and the spider (13) inside the frame (11). S2, Adhesive application stage: S2.1 Start the rotary table (3) to drive the frame (11) to rotate at a constant speed; S2.2, Simultaneously open the two glue application valves (5), and the glue is injected into the tube body (61) of the glue outlet tube (6) through the glue application valves (5); S2.3 The glue forms a vertical thrust inside the tube, pushing the second tube (62) downward along the first tube (61), so that the third tube (64) rotates around the rubber ring (63) to a vertical state, and then the glue is evenly discharged through the glue outlet (65) and applied to the corresponding glue base surface. S3, Glue Cut-off Stage: S3.1 After the glue application is completed, close the glue application valve (5) and stop supplying glue to the glue outlet pipe (6); S3.2 After the glue supply stops, the hydraulic pressure in the glue channel disappears, and the tube body three (64) quickly rotates in the opposite direction and returns to the tilted state, forcibly pulling the glue on the glue-coated base surface and the glue at the outlet (65) port. At the same time, the tube body two (62) moves upward along the tube body one (61) to reset, and simultaneously drives the tube body three (64) and the outlet (65) away from the glue-coated base surface, completely disconnecting the glue connection. S4. Fitting complete: The guide rail (4) drives the two glue valves (5) to retract to their initial positions, so that the bottom of the inner ring of the diaphragm (14) and the bottom of the outer ring are respectively attached to the glue layer on the top of the voice coil (12) and the top of the upper ring of the frame (11).

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