Earphone charging port protection film pasting and pressure maintaining device

By designing a device for applying and maintaining pressure on the protective film for headphone charging ports, the device automates the application and pressure maintenance of the film, solving the problems of inaccurate film placement and low yield caused by manual operation, and improving production efficiency and quality.

CN224528010UActive Publication Date: 2026-07-21JIANGSU JUSTECH PRECISION IND CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JIANGSU JUSTECH PRECISION IND CO LTD
Filing Date
2025-06-26
Publication Date
2026-07-21

AI Technical Summary

Technical Problem

The current method of applying protective films for headphone charging ports requires manual operation, resulting in inaccurate film placement, low yield, and difficulty in achieving automated and efficient production.

Method used

Design a device for applying and maintaining pressure on earphone charging port protective films, including a barcode scanning module, a lower vision module, an application robot, a film feeding mechanism, a pressure maintaining mechanism, and a defective product recycling mechanism, to achieve automated film application and pressure maintaining for earphones, and to ensure accurate film application position through visual inspection.

Benefits of technology

It improves the processing efficiency and production quality of headphone film, ensures accurate film placement, avoids damage, and enhances the automation level and yield rate of production.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a kind of earphone charging port protection film pasting pressure maintaining equipment, including rack, main stream line and backflow line are provided on the rack, scanning code module, lower visual module, pasting manipulator, diaphragm supply mechanism, pressure maintaining mechanism and defective product recycling mechanism are sequentially provided on the rack in main stream line side, upper visual module is provided on the rack in pressure maintaining mechanism and diaphragm supply mechanism side, the pressure maintaining mechanism includes base, lifting cylinder, crossbeam, pressure maintaining component, the pressure maintaining component includes translation slide base, press seat, center rod and weight.The utility model has the beneficial effects that: earphone's automation pasting film and pressure maintaining processing can be realized, improve earphone pasting film's processing efficiency and production quality, ensure diaphragm pasting position accurate, pasting process does not produce breakage.
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Description

Technical Field

[0001] This utility model relates to the field of headphone manufacturing and processing equipment, specifically to a headphone charging port protective film mounting and pressure holding device. Background Technology

[0002] In the high-end audio equipment manufacturing industry, the protective performance of headphone charging ports directly affects product lifespan and user experience. Current mainstream manufacturing processes use a metal base for the headphone charging port, requiring a precise application of an ultra-thin PF protective film to its surface. This protective film combines insulation, oxidation prevention, and physical isolation, effectively preventing short circuits caused by sweat corrosion or wear during insertion and removal.

[0003] Existing headphone protective film application methods can achieve automatic feeding of the film and automatic transfer of the headphone carrier, but still require manual removal of the film for application and pressure holding. This not only results in inaccurate film placement but also a low yield rate. Therefore, a headphone charging port protective film application and pressure holding device is needed. Utility Model Content

[0004] The purpose of this invention is to provide a device for applying and maintaining pressure on earphone charging port protective films, which can realize automated film application and pressure maintenance for earphones, improve the processing efficiency and production quality of earphone film application, ensure accurate film application position, and prevent damage during the application process.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a pressure-holding device for mounting protective films for headphone charging ports, comprising a frame, on which a main flow line and a return flow line are arranged. A barcode scanning module, a lower vision module, a mounting robot, a film feeding mechanism, a pressure-holding mechanism, and a defective product recycling mechanism are sequentially arranged next to the main flow line on the frame. An upper vision module is arranged next to both the pressure-holding mechanism and the film feeding mechanism on the frame. The pressure-holding mechanism includes a base, a lifting cylinder, a crossbeam, and a pressure-holding assembly. The pressure-holding assembly includes a translation slide, a lower pressure seat, a center rod, and weights.

[0006] Furthermore, the main flow line and return flow line are staggered, and the scanning module includes a scanning bracket and a scanning gun, with the scanning gun fixedly connected to the scanning bracket.

[0007] Furthermore, a blocking cylinder and a lifting cylinder are fixedly connected between the two conveyor belts on the main line of the frame.

[0008] Furthermore, the output end of the mounting robot is fixedly connected to multiple vacuum nozzles.

[0009] Furthermore, the base is fixedly connected to the frame, the lifting cylinder is fixedly connected to the base, the crossbeam is fixedly connected to the piston rod of the lifting cylinder, the sliding slide is slidably connected to the crossbeam, the sliding slide is fixed to the crossbeam by locking screws, the lower pressure seat is slidably connected to the sliding slide, the center rod is fixedly connected to the lower pressure seat, and the weight is placed on the lower pressure seat.

[0010] Furthermore, the lower pressure seat has a guide groove, and the translation slide has a protrusion, which is slidably connected to the guide groove; the center of the weight has a through hole, which is correspondingly arranged with the center rod.

[0011] Furthermore, the defective product recycling mechanism includes a defective product transfer robot, a trough plate, and a roller conveyor. The transfer robot and the trough plate are both fixedly connected to the frame. The trough plate has an adjustment groove. The roller conveyor is slidably connected to the trough plate and is fixedly connected to the trough plate by a screw.

[0012] Furthermore, the lower vision module includes a first camera bracket, on which a lower CCD camera is fixedly connected; the upper vision module includes an XYZ motion module and an upper CCD camera, with the upper CCD camera fixedly connected to the motion platform of the XYZ motion module.

[0013] The beneficial effects of this utility model are as follows: by using the barcode scanning module, lower vision module, mounting robot, film feeding mechanism, pressure holding mechanism and defective product recycling mechanism in combination, the automatic film application and pressure holding process of headphones can be realized, improving the processing efficiency and production quality of headphone film application, ensuring accurate film application position and no damage during the application process. Attached Figure Description

[0014] Figure 1 This is an isometric schematic diagram of the present invention.

[0015] Figure 2 This is a schematic diagram of the mounting robot of this utility model.

[0016] Figure 3 This is a first-view schematic diagram of the pressure-holding component of this utility model.

[0017] Figure 4 This is a second-view schematic diagram of the pressure-holding component of this utility model.

[0018] Figure 5 This is a schematic diagram of the diaphragm feeding mechanism of this utility model.

[0019] Figure 6 This is a schematic diagram of the upper visual module of this utility model.

[0020] Figure 7 This is a schematic diagram of the defective product recycling mechanism of this utility model.

[0021] In the diagram: 1. Main line; 2. Return line; 3. Scanning module; 4. Lower vision module; 5. Placement robot; 6. Film feeding mechanism; 7. Pressure holding mechanism; 701. Base; 702. Lifting cylinder; 703. Crossbeam; 8. Defective product recycling mechanism; 801. Transfer robot; 802. Slot plate; 803. Roller conveyor; 901. Translation slide; 902. Lower pressure seat; 903. Center rod; 904. Weight; 10. Upper vision module. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of this utility model clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the scope of this utility model.

[0023] Example:

[0024] refer to Figures 1-7 The device shown is a pressure-holding device for applying protective films for headphone charging ports. It includes a frame with a main line 1 and a return line 2. A barcode scanning module 3, a lower vision module 4, a placement robot 5, a film feeding mechanism 6, a pressure-holding mechanism 7, and a defective product recycling mechanism 8 are arranged sequentially next to the main line 1 on the frame. An upper vision module 10 is arranged next to both the pressure-holding mechanism 7 and the film feeding mechanism 6 on the frame. The pressure-holding mechanism 7 includes a base 701, a lifting cylinder 702, a crossbeam 703, and a pressure-holding assembly. The pressure-holding assembly includes a translation slide 901, a lower pressure seat 902, a center rod 903, and a weight 904.

[0025] Mainstream line 1 and return line 2 are staggered and stacked vertically to improve space utilization. The barcode scanning module 3 includes a barcode scanning bracket and a barcode scanner. The barcode scanner is used to scan the QR code on the headphone carrier to prevent incorrect materials from entering the flow line. The barcode scanner is fixedly connected to the barcode scanning bracket.

[0026] A blocking cylinder and a lifting cylinder are fixedly connected between the two conveyor belts on the main line 1 of the machine frame. The blocking cylinder is used to stop the carrier at the designated work station, and the lifting cylinder is used to lift the carrier. Multiple vacuum nozzles are fixedly connected to the output end of the mounting robot 5. The vacuum nozzles are used to pick up and transfer PF films for mounting.

[0027] The base 701 is fixedly connected to the frame, the lifting cylinder 702 is fixedly connected to the base 701, the lifting cylinder 702 is used to lift the crossbeam 703, the crossbeam 703 is fixedly connected to the piston rod of the lifting cylinder 702, the translation slide 901 can slide to adjust the position of the crossbeam 703, the translation slide 901 can be fixed in position by locking screws after the position adjustment is completed, the translation slide 901 can guide the sliding of the lower pressure seat 902, the center rod 903 is fixedly connected to the lower pressure seat 902, and the weight 904 is placed on the lower pressure seat 902.

[0028] A guide groove is provided on the lower pressure seat 902, and a protrusion is provided on the translation slide 901. The guide groove can guide the lifting and sliding of the translation slide 901. The center of the weight 904 is provided with a through hole. When placing the weight, the through hole can be placed along the center rod 903.

[0029] The defective product recycling mechanism 8 includes a defective product transfer robot 801, a trough plate 802, and a roller conveyor 803. The transfer robot 801 and the trough plate 802 are fixed on the frame. The trough plate 802 has an adjustment groove. The roller conveyor 803 is slidably connected to the trough plate 802. The installation position of the roller conveyor 803 can be adjusted on the trough plate 802. After adjustment, the roller conveyor 803 is fixed by a screw.

[0030] The lower vision module 4 includes a first camera bracket, on which a lower CCD camera is fixedly connected; the upper vision module 10 includes an XYZ moving module and an upper CCD camera. The lower CCD camera can detect whether a film is adsorbed on the vacuum nozzle of the mounting robot 5, and whether the film is misaligned or damaged. The upper CCD camera is fixedly connected to the moving stage of the XYZ moving module. The upper CCD camera is used to detect whether the film is properly attached after mounting and pressure holding, and whether the film has wrinkles or damage.

[0031] The working principle of this utility model is as follows: The carrier for loading headphones is transported via the main feed line 1. When the carrier is transported to the mounting station, the carrier is lifted by a lifting cylinder, causing it to rise vertically from the main feed line 1. At this time, the mounting robot 5 drives the vacuum nozzle to move to the discharge station of the film feeding mechanism 6 to pick up the film. Then, it moves to the lower vision module 4 to detect whether the vacuum nozzle of the mounting robot 5 has picked up the film, and whether the film is misaligned or damaged. If the above conditions exist, the NG product is removed and the film is re-picked. After passing the inspection, the mounting robot 5 drives the vacuum nozzle to mount the qualified film onto the corresponding position of the headphones in the carrier. After the mounting is completed, the lifting cylinder... The piston rod resets, and the main line 1 transports the carrier to the pressure holding station. At this time, the piston rod of the lifting cylinder 702 retracts, and the crossbeam 703 descends. During the descent, after the lower pressure seat 902 contacts the earphone diaphragm position, the lower pressure seat 902 stops descending, and the translation slide 901 moves downward relative to the lower pressure seat 902. The weight of the weight 904 can be adjusted according to the pressure holding requirements. After the pressure holding process is completed, the piston rod of the lifting cylinder 702 extends, and the upper vision module inspects the earphone to check whether the diaphragm is properly attached after the installation and pressure holding, and whether the diaphragm is wrinkled or damaged. If the above situations occur, the earphone will be moved from the main line 1 to the upper position through the defective product recycling mechanism.

[0032] The above embodiments are used to further illustrate the present invention, but do not limit the present invention to these specific embodiments. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be understood as being within the protection scope of the present invention.

Claims

1. A pressure-holding device for applying a protective film to an earphone charging port, characterized in that: The system includes a frame on which a main flow line (1) and a return flow line (2) are provided. On the frame, a barcode scanning module (3), a lower vision module (4), a mounting robot (5), a film feeding mechanism (6), a pressure holding mechanism (7), and a defective product recycling mechanism (8) are arranged sequentially next to the main flow line (1). On the frame, an upper vision module (10) is arranged next to both the pressure holding mechanism (7) and the film feeding mechanism (6). The pressure holding mechanism (7) includes a base (701), a lifting cylinder (702), a crossbeam (703), and a pressure holding assembly. The pressure holding assembly includes a translation slide (901), a lower pressure seat (902), a center rod (903), and a weight (904).

2. The headphone charging port protective film mounting and pressure holding device according to claim 1, characterized in that: The main line (1) and return line (2) are staggered. The scanning module (3) includes a scanning bracket and a scanning gun, and the scanning gun is fixedly connected to the scanning bracket.

3. The headphone charging port protective film mounting and pressure holding device according to claim 2, characterized in that: A blocking cylinder and a lifting cylinder are fixedly connected between the two conveyor belts on the main line (1) of the frame.

4. The headphone charging port protective film mounting and pressure holding device according to claim 1, characterized in that: The output end of the mounting robot (5) is fixedly connected to multiple vacuum nozzles.

5. The headphone charging port protective film mounting and pressure holding device according to claim 1, characterized in that: The base (701) is fixedly connected to the frame, the lifting cylinder (702) is fixedly connected to the base (701), the crossbeam (703) is fixedly connected to the piston rod of the lifting cylinder (702), the translation slide (901) is slidably connected to the crossbeam (703), the translation slide (901) is fixed to the crossbeam (703) by locking screws, the lower pressure seat (902) is slidably connected to the translation slide (901), the center rod (903) is fixedly connected to the lower pressure seat (902), and the weight (904) is placed on the lower pressure seat (902).

6. The headphone charging port protective film mounting and pressure holding device according to claim 5, characterized in that: The lower pressure seat (902) has a guide groove, and the translation slide (901) has a protrusion, which is slidably connected to the guide groove; the center of the weight (904) has a through hole, which is correspondingly set with the center rod (903).

7. The headphone charging port protective film mounting and pressure holding device according to claim 1, characterized in that: The defective product recycling mechanism (8) includes a defective product transfer robot (801), a trough plate (802), and a roller conveyor (803). The transfer robot (801) and the trough plate (802) are both fixedly connected to the frame. The trough plate (802) has an adjustment groove. The roller conveyor (803) is slidably connected to the trough plate (802). The roller conveyor (803) is fixedly connected to the trough plate (802) by a screw.

8. The headphone charging port protective film mounting and pressure holding device according to claim 1, characterized in that: The lower vision module (4) includes a first camera bracket, on which a lower CCD camera is fixedly connected; the upper vision module (10) includes an XYZ motion module and an upper CCD camera, which is fixedly connected to the motion platform of the XYZ motion module.