Acoustic composite film, processing method and processing device

The use of an acoustic composite diaphragm processing device enables automatic and uniform glue application to the speaker, solving the problem of unstable diaphragm installation caused by uneven glue application during manual application and improving the stability of the speaker's sound quality.

CN121397449APending Publication Date: 2026-01-23苏州巷尔电子材料有限公司
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Patent Information

Application Number
CN202511633382.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-11-10
Publication Date
2026-01-23

AI Technical Summary

Technical Problem

In existing technology, uneven application of glue during the installation of the diaphragm in audio speakers can lead to an unstable installation of the diaphragm, making it prone to detachment and affecting the sound quality.

Method used

An acoustic composite film processing device, including a rotary servo motor, glue gun and other components, is used to achieve automatic and uniform glue application to the speaker, ensuring that the composite film is evenly bonded to the speaker.

Benefits of technology

The automated adhesive application process improves the installation stability of the composite film, ensuring the stability and consistency of the audio sound quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of composite membrane assembly, in particular to an acoustic composite membrane, a processing method and a processing device. Comprising a processing table and an auxiliary device, and the auxiliary device comprises a rotary servo motor, a mounting disc, a positioning seat, a fixed clamping plate, a movable clamping plate, a locking block, a fastening knob, a dispensing gun, a descending component, a conveying component and an adjusting component. Therefore, more stable bonding can be realized under the action of the uniform glue solution during subsequent bonding of the composite film, and the problems that the vibration film is not firmly mounted and is easy to fall off and the sound quality of the sound equipment is influenced due to non-uniform manual glue coating can be solved.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of composite film assembly, in particular to an acoustic composite film, a processing method and a processing device. BACKGROUND

[0002] The existing technology is an important part of sound vibration film, which is compressed by the vibration of the magnetic coil in the sound to produce sound waves, and mostly uses a composite film structure. The material of the composite film includes any possible material combination, which has high physical and mechanical performance indicators such as tensile and tear resistance, and the product has high strength, good extension performance, acid and alkali corrosion resistance, aging resistance and other characteristics. The composite film is usually used in the horn of the sound, which can transmit the vibration of the sound and achieve the best sound quality effect.

[0003] At present, when the speaker horn installs the vibration film, it is necessary to apply glue to the horn in advance, and then the vibration film is pasted together with the horn. The traditional installation is to manually apply glue to the horn, which causes uneven application of glue, resulting in unstable installation of the vibration film, easy to fall off, and affecting the sound quality of the sound. SUMMARY

[0004] The purpose of the present application is to provide an acoustic composite film, a processing method and a processing device, which solves the problem of uneven manual application of glue, resulting in unstable installation of the vibration film, easy to fall off, and affecting the sound quality of the sound.

[0005] To achieve the above purpose, the present application provides an acoustic composite film processing device, which comprises a processing table and an auxiliary assembly. The auxiliary assembly comprises a rotating servo motor, a mounting disc, a positioning seat, a fixed clamping plate, a movable clamping plate, a locking block, a tightening knob, a glue dispensing gun, a downward component, a conveying component and an adjusting component. The rotating servo motor is installed at the bottom of the processing table, the mounting disc is installed on the output shaft of the rotating servo motor, the positioning seat is detachably installed in the mounting disc, the fixed clamping plate is detachably installed in the positioning seat, the movable clamping plate is detachably connected with the fixed clamping plate and is limited by the locking block and the tightening knob, the glue dispensing gun is arranged on the upper side of the rear of the positioning seat and is vertically and horizontally adjusted by the downward component and the adjusting component, and the conveying component is arranged on one side of the downward component and is communicated with the glue dispensing gun.

[0006] The downward component comprises a moving seat, a servo cylinder and a mounting bracket, the moving seat is arranged on the rear side of the processing table, the servo cylinder is installed on the moving seat, the output end of the servo cylinder is fixedly connected with the mounting bracket, and the mounting bracket is detachably connected with the glue dispensing gun.

[0007] The conveying member comprises a glue tank, a glue pump and a flexible hose, the glue tank is detachably connected with the mounting frame and located at the front side of the mounting frame, the glue pump is installed at the bottom outlet of the glue tank, and the flexible hose is connected with the outlet pipe of the glue pump and the inlet pipe of the flow regulating valve at the top of the glue gun respectively.

[0008] The adjusting member comprises a fixed seat, a screw rod sliding table and a transmission component, the fixed seat is installed at the rear side of the processing table and located at the rear side of the mounting disc, the screw rod sliding table is arranged at the top of the fixed seat, the sliding seat of the screw rod sliding table is detachably connected with the moving seat, and the transmission component is arranged at the side of the fixed seat close to the sliding seat of the screw rod sliding table.

[0009] The transmission component comprises a horizontal servo motor and a transmission screw rod, the horizontal servo motor is installed at the rear side of the fixed seat, the transmission screw rod is rotatably connected with the fixed seat, the T-shaped matching nut of the transmission screw rod is fixed on the bottom mounting part of the sliding seat of the screw rod sliding table through bolts, and the transmission screw rod is connected with the output shaft of the horizontal servo motor through a rigid coupling.

[0010] A control panel is arranged at the left side of the processing table, and the control panel is electrically connected with an external numerical control cabinet matched with the device.

[0011] The acoustic composite membrane processing device further comprises a storage assembly, the storage assembly comprises a storage disc and a fixed lug, the fixed lug is integrally and symmetrically arranged on the storage disc, and the fixed lug is detachably connected with the processing table.

[0012] The acoustic composite membrane can be uniformly glued on the loudspeaker in advance through the acoustic composite membrane processing device when the acoustic composite membrane is assembled with the loudspeaker, and the installation stability of the acoustic composite membrane is improved.

[0013] The acoustic composite membrane processing method comprises the following steps: The loudspeaker is placed in the placing groove of the positioning seat; The movable clamping plate is slidably inserted on the fixed clamping plate and positioned through the locking block and the fastening knob, so that the loudspeaker is fixed and self-rotation of the loudspeaker in the placing groove of the positioning seat during gluing is avoided; Then, the downlink member and the adjusting member are linked to adjust the alignment accuracy of the glue gun and the installation position of the acoustic composite membrane on the loudspeaker; The rotating servo motor drives the mounting disc to rotate, the positioning seat is rotated, the loudspeaker is rotated, the conveying member supplies glue to the glue gun, and uniform glue is applied to the installation position of the acoustic composite membrane on the loudspeaker under the rotation of the loudspeaker; After dispensing, the acoustic composite film to be installed is attached to the loudspeaker to complete the bonding process.

[0014] The acoustic composite film processing device of the present application comprises a positioning seat, a fixed clamping plate, a movable clamping plate, a locking block, a fastening knob, a rotating servo motor, a rotating disc, a dispensing gun, a conveying member and a loudspeaker. The loudspeaker is placed in the placing groove of the positioning seat during the composite film bonding process. The movable clamping plate is slidably inserted into the fixed clamping plate and is limited by the locking block and the fastening knob, so as to fix the loudspeaker and prevent the loudspeaker from rotating in the placing groove of the positioning seat during glue coating. The downlink component and the adjusting component are linked to control the positioning accuracy of the dispensing gun and the acoustic composite film installation position on the loudspeaker. The rotating servo motor drives the rotating disc to rotate, so as to rotate the positioning seat. The conveying member supplies glue to the dispensing gun, and the loudspeaker rotates to realize uniform dispensing of the acoustic composite film installation position on the loudspeaker. After dispensing, the acoustic composite film to be installed is attached to the loudspeaker to complete the bonding process. The present application can automatically and uniformly coat glue on the loudspeaker during the composite film bonding process, so that the composite film can be more stably bonded under the action of uniform glue during subsequent bonding, thereby solving the problem of unstable bonding of the vibrating membrane caused by unevenly coated glue by manual coating, and preventing the vibrating membrane from falling off and affecting the sound quality of the sound. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced.

[0016] Figure 1 is the overall structure schematic diagram of the acoustic composite film processing device of the first embodiment of the present application.

[0017] Figure 2 is the structure schematic diagram of the moving seat of the first embodiment of the present application.

[0018] Figure 3 is the structure schematic diagram of the fixed clamping plate of the first embodiment of the present application.

[0019] Figure 4 is the overall structure schematic diagram of the acoustic composite film processing device of the second embodiment of the present application.

[0020] Figure 5 is the overall structure schematic diagram of the acoustic composite film processing device of the third embodiment of the present application.

[0021] Figure 6 is the structure schematic diagram of the abutting ring of the third embodiment of the present application.

[0022] Figure 7 is the flowchart of an acoustic composite film processing method.

[0023] In the diagram: 101-Processing table, 102-Rotary servo motor, 103-Mounting plate, 104-Positioning seat, 105-Fixed clamping plate, 106-Movable clamping plate, 107-Locking block, 108-Fastening knob, 109-Dispensing gun, 110-Moving seat, 111-Servo cylinder, 112-Mounting bracket, 113-Glue tank, 114-Glue pump, 115-Movable hose, 116-Fixed seat, 117-Screw slide, 118-Horizontal servo motor, 119-Transmission screw, 120-Control panel, 121-Anti-slip strip, 201-Storage tray, 202-Fixed ear, 301-Abutment ring, 302-T-shaped rod, 303-Rolling ball. Detailed Implementation

[0024] The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, but should not be construed as limiting the present invention.

[0025] Example 1:

[0026] like Figures 1 to 3 As shown, where Figure 1 This is a schematic diagram of the overall structure of the acoustic composite membrane processing device. Figure 2 This is a structural diagram of the movable base. Figure 3 This is a schematic diagram of the fixed clamping plate. The present invention provides an acoustic composite diaphragm processing device, including a processing table 101 and auxiliary devices. The auxiliary components include a rotary servo motor 102, a mounting plate 103, a positioning seat 104, a fixed clamping plate 105, a movable clamping plate 106, a locking block 107, a fastening knob 108, a glue gun 109, a descending component, a conveying component, and an adjusting component. The descending component includes a moving seat 110, a servo cylinder 111, and a mounting frame 112. The conveying component includes a glue tank 113, a glue pump 114, and a movable hose 115. The adjusting component includes a fixed seat 116, a lead screw slide 117, and a transmission component. The transmission component includes a horizontal servo motor 118 and a transmission lead screw 119. This solution solves the problem of uneven glue application during manual installation, which leads to unstable diaphragm installation, easy detachment, and affects sound quality. It is understood that this solution can improve the stability of the acoustic composite diaphragm bonding in loudspeakers, thereby better ensuring sound quality.

[0027] In this embodiment, the bottom of the processing table 101 is provided with support legs that can be fixed with bolts.

[0028] The rotating servo motor 102 is fixed by bolts and is provided with a brake mechanism and an encoder, so as to facilitate the stop of the shaft and the setting of the original point when stopping, and the original point is convenient for loading and can be set by itself according to the requirement. A mounting sleeve which is not vertically penetrated is arranged at the bottom of the mounting disc 103, the upper side of the mounting sleeve is a stepped groove which is not communicated with the mounting sleeve, a plurality of through holes for bolt setting are arranged at the bottom of the groove, a key groove is arranged in the mounting sleeve, a flat key is arranged on the output shaft of the rotating servo motor 102, the mounting sleeve is slidably sleeved on the output shaft of the rotating servo motor 102, and then the mounting sleeve is fixed by bolts. The positioning seat 104 is symmetrically provided with taper blocks, and a hole plate is arranged between the taper blocks at an angle of 90° and is fixed by bolts. The taper blocks are slidably arranged in the matching grooves of the mounting disc 103. The fixed clamping plate 105 is fixed by a countersunk bolt. Circular holes are arranged on the end faces of the two end portions of the fixed clamping plate 105, so as to facilitate the sliding insertion of the positioning columns of the movable clamping plate 106. Two circular holes are arranged on the upper end face of the movable clamping plate 106, so as to facilitate the sliding insertion of the two positioning cylinders of the L-shaped locking block 107, and then the T-shaped fastening knob 108 is penetrated and screwed on the positioning seat 104, so as to position the movable clamping plate 106, and the loudspeaker is fixed by the fixed clamping plate and the movable clamping plate. A plurality of anti-skid strips 121 are arranged on the inner walls of the fixed clamping plate 105 and the movable clamping plate 106, the anti-skid strips 121 are 0.02 mm higher than the inner arc surfaces of the fixed clamping plate 105 and the movable clamping plate 106, and the structure is used for anti-skid treatment. The glue gun 109 is used for glue coating and is vertically and horizontally adjusted by the downward member and the adjusting member. The conveying member is used for glue conveying.

[0029] Secondly, the moving seat 110 is arranged at the rear side of the machining table 101, the servo cylinder 111 is arranged on the moving seat 110, the output end of the servo cylinder 111 is fixedly connected with the mounting frame 112, and the mounting frame 112 is detachably connected with the glue gun 109. The servo cylinder 111 is fixed by bolts, the mounting frame 112 is fixedly connected with the output end of the servo cylinder 111 by bolts, and the fixed part of the glue gun 109 is connected with the mounting frame 112 by bolts.

[0030] Then, the glue tank 113 is connected with the mounting frame 112 and is located in front of the mounting frame 112; the glue pump 114 is installed outside the bottom outlet of the glue tank 113; the flexible hose 115 is connected with the outlet pipe of the glue pump 114 and the inlet pipe of the flow regulating valve on the top of the glue gun 109 respectively. The glue tank 113 is fixed by bolts from bottom to top, the glue pump 114 is fixed outside the bottom outlet of the glue tank 113 by bolts, which is used to extract the glue in the glue tank 113 and then transport it to the glue gun 109 through the flexible hose 115, and the two sides of the flexible hose 115 are fixed by metal clamps.

[0031] Further, the fixed seat 116 is installed on the rear side of the processing table 101 and is located behind the mounting disc 103; the screw rod sliding table 117 is arranged on the top of the fixed seat 116, and the sliding seat thereof is connected with the moving seat 110; the transmission component is arranged on the side of the fixed seat 116 close to the sliding seat of the screw rod sliding table 117. The fixed seat 116 is fixed by positioning pins and bolts, the screw rod sliding table 117 is composed of a linear guide rail assembly and a sliding seat, the linear guide rail of the linear guide rail assembly is fixed by countersunk bolts, the linear sliding block can slide linearly on the linear guide rail and is connected with the sliding seat by bolts, and the sliding seat is connected with the moving seat 110 by bolts. The transmission component is used to realize the movement of the sliding seat, so that the moving seat 110 can move.

[0032] Further, the horizontal servo motor 118 is installed on the rear side of the fixed seat 116; the transmission screw rod 119 is rotatably connected with the fixed seat 116, the T-shaped matching nut of the transmission screw rod 119 is fixed on the bottom mounting part of the sliding seat of the screw rod sliding table 117 by bolts, and the transmission screw rod 119 is connected with the output shaft of the horizontal servo motor 118 through a rigid coupling. The horizontal servo motor 118 is fixed by bolts and is provided with a brake mechanism and an encoder, which facilitates the stop of the locking shaft and the position control, the two mounting end parts of the transmission screw rod 119 are rotatably mounted on the detachable bearing seat on the fixed seat 116, the T-shaped matching nut is fixed on the bottom mounting part of the sliding seat of the screw rod sliding table 117 by bolts, and the end part close to the output shaft of the horizontal servo motor 118 is connected with the output shaft of the horizontal servo motor 118 through a rigid coupling.

[0033] Finally, the control panel 120 is arranged on the left side of the processing table 101, and the control panel 120 is electrically connected with an external numerical control cabinet matched with the device. The control panel 120 is used for device control operation, such as numerical control program editing and manual and automatic switching of corresponding components of the device.

[0034] When the unevenly applied glue caused by manual application of glue leads to unstable installation of the vibration membrane, easy falling off and affects the sound quality of the sound box, the loudspeaker is placed in the placing groove of the positioning seat 104, the movable clamping plate 106 is slidably inserted on the fixed clamping plate 105, and the locking block 107 and the fastening knob 108 are limited, so as to fix the loudspeaker, avoid self-rotation of the loudspeaker in the placing groove of the positioning seat 104 during glue application, cause uneven and accurate glue application track, control the linkage adjustment of the downward member and the adjusting member to adjust the alignment accuracy of the glue gun 109 and the installation position of the acoustic composite membrane on the loudspeaker, the rotating servo motor 102 drives the installation disc 103 to rotate, and the positioning seat 104 is rotated, so that the loudspeaker can be rotated. At the same time, the conveying member conveys glue liquid to the glue gun 109, and realizes uniform glue application of the installation position of the acoustic composite membrane on the loudspeaker under the rotation of the loudspeaker. After glue application is completed, the acoustic composite membrane to be installed is attached and installed on the loudspeaker to complete the bonding process. In the composite film bonding process, the application can automatically and uniformly apply glue on the loudspeaker in advance, so that the acoustic composite film can be more stably bonded under the action of uniform glue in subsequent bonding, thereby solving the problem of unevenly applied glue caused by manual application of glue, leading to unstable installation of the vibration membrane, easy falling off and affecting the sound quality of the sound box.

[0035] Embodiment two:

[0036] As shown in Figure 4 , wherein Figure 4 is a schematic diagram of the overall structure of the acoustic composite membrane processing device, based on the first embodiment, the application provides an acoustic composite membrane processing device, the acoustic composite membrane processing device further comprises a storage assembly, the storage assembly comprises a storage disc 201 and a fixed lug 202.

[0037] Among them, the fixed lug 202 is integrally and symmetrically arranged on the storage disc 201; the fixed lug 202 is detachably connected with the processing table 101. The fixed lug 202 is fixed by bolts, and the storage disc 201 is a U-shaped structure with an opening upward.

[0038] In this embodiment, the movable clamping plate 106, the locking block 107 and the fastening knob 108 and other components can be placed centrally by setting the storage disc 201, so as to avoid falling of the components on the ground.

[0039] Embodiment three:

[0040] As shown in Figure 5 and Figure 6 , wherein Figure 5 is a schematic diagram of the overall structure of the acoustic composite membrane processing device, Figure 6This is a schematic diagram of the abutment ring. Based on the first embodiment, the present invention provides an acoustic composite membrane processing device, which further includes a stabilizing component, including an abutment ring 301, a T-shaped rod 302, and a rolling ball 303.

[0041] The abutment ring 301 is detachably connected to the processing table 101 and is located below the mounting plate 103. The T-shaped rod 302 is fixed to the mounting plate 103, passes through the mounting plate 103, and is arranged in a ring with multiple rods evenly spaced. The rolling ball 303 is rotatably disposed at the bottom of the T-shaped rod 302 and is slidably connected to the upper surface of the abutment ring 301. The abutment ring 301 is fixed by a positioning pin and bolts arranged from bottom to top, the T-shaped rod 302 is fixed by bolts, and the rolling ball 303 is disposed at its bottom.

[0042] In this embodiment, when the mounting plate 103 rotates, the rolling ball 303 at the bottom of the T-shaped rod 302 simultaneously rolls and supports the abutment ring 301, which helps to improve the stability of the mounting plate 103 when it rotates.

[0043] An acoustic composite diaphragm is provided, wherein when the acoustic composite diaphragm is assembled with a speaker, adhesive is automatically and evenly applied to the speaker in advance by the acoustic composite diaphragm processing device, thereby improving the installation stability of the acoustic composite diaphragm.

[0044] like Figure 7 As shown, where Figure 7 This is a flowchart of an acoustic composite membrane processing method. The present invention provides an acoustic composite membrane processing method comprising the following steps: S1: Place the speaker in the placement slot of the positioning seat 104; S2: The movable clamping plate 106 is slidably inserted into the fixed clamping plate 105 and limited by the locking block 107 and the fastening knob 108, thereby fixing the speaker and preventing the speaker from rotating in the placement groove of the positioning seat 104 when applying glue. S3: Then control the downlink component and the adjustment component to adjust the alignment accuracy of the glue gun 109 with the acoustic composite diaphragm installation position on the speaker; S4: The rotary servo motor 102 drives the mounting plate 103 to rotate, thereby rotating the positioning seat 104 and realizing the rotation of the speaker. At the same time, the conveying component delivers adhesive to the dispensing gun 109 and achieves uniform dispensing of adhesive on the speaker for the acoustic composite film installation position under the rotation of the speaker. S5: After the adhesive is applied, the acoustic composite diaphragm to be installed is attached to the speaker to complete the bonding process.

[0045] The above disclosure only shows one or more preferred embodiments of the present application, and cannot limit the scope of the present application. Those skilled in the art can understand that the implementation of all or part of the above processes, and the equivalent changes made according to the claims of the present application, still belong to the scope covered by the present application.

Claims

1. An acoustic composite membrane processing device, comprising a processing table, characterized in that: an auxiliary assembly is further included; the auxiliary assembly comprises a rotary servo motor, a mounting disc, a positioning seat, a fixed clamping plate, a movable clamping plate, a locking block, a fastening knob, a glue gun, a descending member, a conveying member and an adjusting member, the rotary servo motor is installed at the bottom of the processing table, the mounting disc is installed on the output shaft of the rotary servo motor, the positioning seat is detachably installed in the mounting disc, the fixed clamping plate is detachably installed in the positioning seat, the movable clamping plate is detachably connected with the fixed clamping plate and is limited by the locking block and the fastening knob, the glue gun is arranged on the upper side of the rear of the positioning seat and is adjusted in vertical and horizontal positions by the descending member and the adjusting member, and the conveying member is arranged on one side of the descending member and is communicated with the glue gun.

2. The acoustic composite membrane processing device according to claim 1, characterized in that: the descending member comprises a moving seat, a servo cylinder and a mounting bracket, the moving seat is arranged on the rear side of the processing table, the servo cylinder is installed on the moving seat and its output end is fixedly connected with the mounting bracket, and the mounting bracket is detachably connected with the glue gun.

3. The acoustic composite membrane processing device according to claim 2, characterized in that: the conveying member comprises a glue tank, a glue pump and a movable hose, the glue tank is detachably connected with the mounting bracket and is located on the front side of the mounting bracket, the glue pump is installed on the bottom outlet outer side of the glue tank, and the movable hose is respectively connected with the outlet pipe of the glue pump and the inlet pipe of the flow regulating valve on the top of the glue gun.

4. The acoustic composite membrane processing device according to claim 2, characterized in that: the adjusting member comprises a fixed seat, a screw rod sliding table and a transmission part, the fixed seat is installed on the rear side of the processing table and is located on the rear side of the mounting disc, the screw rod sliding table is arranged on the top of the fixed seat and its sliding seat is detachably connected with the moving seat, and the transmission part is arranged on the side of the fixed seat close to the sliding seat of the screw rod sliding table. The transmission part comprises a horizontal servo motor and a transmission screw rod, the horizontal servo motor is installed on the rear side of the fixed seat, the transmission screw rod is rotationally connected with the fixed seat, a T-shaped matching nut of the transmission screw rod is fixed on the bottom mounting part of the sliding seat of the screw rod sliding table by bolts, and the transmission screw rod is connected with the output shaft of the horizontal servo motor through a rigid coupling.

6. The acoustic composite membrane processing device according to claim 1, characterized in that: a control panel is arranged on the left side of the processing table, and the control panel is electrically connected with an external numerical control cabinet matched with the device.

7. The acoustic composite membrane processing device according to claim 1, characterized in that: the acoustic composite membrane processing device further comprises a storage assembly, the storage assembly comprises a storage disc and a fixed lug, the fixed lug is integrally and symmetrically arranged on the storage disc, and the fixed lug is detachably connected with the processing table. ​ ​ 5. The acoustic composite membrane processing device of claim 4, wherein : ​ ​ ​ ​ ​ 8. An acoustic composite membrane, characterized by The acoustic composite film can be uniformly glued on the loudspeaker in advance by the acoustic composite film processing device of any one of claims 1 to 7, thereby improving the installation stability of the acoustic composite film.

9. An acoustic composite membrane processing method using the acoustic composite membrane processing apparatus according to any one of claims 1 to 7, characterized by, The acoustic composite film processing method comprises the following steps: placing the loudspeaker in the placing groove of the positioning seat; sliding the movable clamping plate into the fixed clamping plate and limiting the movable clamping plate by the locking block and the fastening knob, thereby fixing the loudspeaker and avoiding self-rotation of the loudspeaker in the placing groove of the positioning seat during gluing; controlling the downward member and the adjusting member to cooperate to adjust the alignment accuracy of the glue gun and the acoustic composite film installation position on the loudspeaker; rotating the servo motor to drive the installation disc to rotate, thereby rotating the positioning seat, and rotating the loudspeaker, simultaneously, the conveying member conveys glue to the glue gun, and the glue is uniformly applied to the acoustic composite film installation position on the loudspeaker under the rotation of the loudspeaker; after the glue application is completed, the acoustic composite film to be installed is attached to the loudspeaker to complete the bonding process.