Horn drum paper processing device

By using a turntable to drive the fixed base to rotate the drum paper, combined with the design of the glue coating roller and scraper, the problems of uneven glue application and uneven bonding in the horn drum paper processing device are solved, thereby improving the acoustic performance and service life of the horn drum paper.

CN223942836UActive Publication Date: 2026-02-24KANGZHENG ACOUSTICS (ZHEJIANG) CO LTD
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Patent Information

Application Number
CN202520291073.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-24
Publication Date
2026-02-24
Estimated Expiration
2035-02-24

AI Technical Summary

Technical Problem

Existing horn drum paper processing equipment has shortcomings in terms of glue coating uniformity and pressing flatness, resulting in poor bonding effect and affecting the acoustic performance and service life of the horn.

Method used

The rotating base driven by the turntable rotates the paper drum. Combined with the design of the glue coating roller and the scraper, the glue coating roller evenly applies glue through the glue spray tube, and the scraper smooths the bonding surface to ensure that the glue is evenly distributed and the bonding surface is flat.

Benefits of technology

This method achieves uniform glue application, avoids wrinkles on the bonding surface, and improves the bonding quality and service life of the horn drum paper.

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Abstract

The utility model discloses a horn drum paper processing device which comprises a working table, a rotating disc is arranged on a bottom plate, the rotating disc drives a fixed seat to rotate through a rotating shaft, a gluing mechanism and a slicking mechanism are oppositely arranged on the fixed seat, the gluing mechanism comprises a glue spreading roller and a glue spraying pipe, the glue spraying pipe is attached to the glue spreading roller, and the slicking mechanism is arranged on the glue spreading roller. The glue spreading roller is attached to the fixing base and located on the upper end face of the fixing base, the scraping mechanism comprises a scraping plate, and the scraping plate is obliquely arranged on the upper end face of the fixing base. The rotating disc is arranged below the fixing base to drive the fixing base to rotate, the fixing base drives the carcass to rotate, the glue spreading roller abuts against the carcass edge of the carcass, and the glue is evenly spread on the carcass edge through the glue spreading roller; the roll rim of the drum paper is placed on the carcass edge coated with glue, the carcass edge and the roll rim are driven to rotate along with the rotation of the fixed seat, and the scraping plate scrapes the bonding surface of the carcass edge and the roll rim, so that the wrinkle phenomenon of the bonding surface of the carcass edge and the roll rim is effectively overcome.
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Description

Technical Field

[0001] This utility model relates to the field of horn drum paper technology, and in particular to a horn drum paper processing device. Background Technology

[0002] As the core sound-producing component in a loudspeaker, the phonograph diaphragm has a crucial impact on sound quality. It not only determines the performance and audio characteristics of the loudspeaker and speaker but is also a key factor in quality control during the manufacturing process. High-quality phonograph diaphragms can significantly improve the performance of audio equipment and extend its lifespan. Common phonograph diaphragms typically employ a composite structure design, where the body (vibrating part) and the rolled edge (suspended edge) are composed of different materials, requiring an adhesive process to combine the body and rolled edge into a complete phonograph diaphragm.

[0003] Currently, most horn phono preamplifier processing devices on the market use a glue gun to apply glue to the phono preamplifier and apply uniform pressure to the body edges and rolled edges using upper and lower molds to achieve adhesion. However, this method results in poor glue uniformity, leading to uneven glue distribution and affecting the bonding effect. Furthermore, wrinkles easily form on the body edges and rolled edges of the phono preamplifier during the pressing process, resulting in an uneven bonding surface. This not only reduces the acoustic performance of the phono preamplifier but may also affect its sound quality and lifespan. Therefore, to address the shortcomings of current horn phono preamplifier processing devices in terms of glue uniformity and pressing flatness, a new horn phono preamplifier processing device has been invented. Utility Model Content

[0004] The purpose of this utility model is to overcome the shortcomings of the prior art and provide a processing device for trumpet drum paper.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A processing device for trumpet drum paper includes a worktable, the worktable including a base plate, a turntable being provided on the base plate, the turntable driving a fixed base to rotate via a rotating shaft, and a glue applicator and a leveling mechanism being arranged opposite each other on the fixed base. The glue applicator includes a glue applicator roller and a glue spraying pipe, the glue spraying pipe being attached to the glue applicator roller, the glue applicator roller being attached to the fixed base and located on the upper end face of the fixed base, and the leveling mechanism including a scraper, the scraper being inclinedly arranged on the upper end face of the fixed base.

[0007] Preferably, the glue-applying roller is mounted on a support frame, and the glue-spraying pipe passes through both sides of the support frame and is inclined on the glue-applying roller.

[0008] Preferably, a piston rod is rotatably connected to the support frame, and the glue applicator is slidably connected to the worktable via a connecting rod.

[0009] Preferably, the leveling mechanism further includes a collection box, which abuts against one side of the fixed base, and the scraper is inclined outward toward the collection box.

[0010] Preferably, the workbench further includes a side plate, on which a lifting mechanism is provided. The lifting mechanism includes a base and a guide plate, and a guide rail is provided on the base.

[0011] Preferably, a gripper is installed on the guide plate, the gripper is located above the fixed base, and the guide plate drives the gripper to slide up and down along the base.

[0012] The beneficial effects of this utility model are:

[0013] By setting a turntable under the fixed base to drive the fixed base to rotate, and placing the drum paper body inside the fixed base, the edge of the body is in contact with the upper surface of the fixed base. As the fixed base drives the body to rotate, the glue-applying roller presses against the edge of the body and evenly applies the glue from the glue spray tube to the edge of the body through the glue-applying roller, making the glue application more uniform and reducing local glue accumulation or insufficient glue. By placing the rolled edge of the drum paper on the glue-applied edge of the body, and at the same time, a scraper is set on the edge of the body and the rolled edge. The scraper can tilt downward to abut against the edge of the body and the rolled edge. As the fixed base rotates, it drives the edge of the body and the rolled edge to rotate. The scraper flattens the bonding surface of the edge of the body and the rolled edge, effectively overcoming the wrinkling phenomenon of the bonding surface of the edge of the body and the rolled edge, thereby ensuring the surface flatness of the bonding surface of the edge of the body and the rolled edge. Attached Figure Description

[0014] Figure 1 The three-dimensional representation of this utility model Figure 1 ;

[0015] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0016] Figure 3 The three-dimensional representation of this utility model Figure 2 ;

[0017] Figure 4 for Figure 3 Enlarged view of point B in the middle;

[0018] Figure 5 This is a schematic diagram of the lifting mechanism of this utility model;

[0019] Figure 6 This is a schematic diagram of the scraping mechanism of this utility model;

[0020] Figure 7 This is a schematic diagram of the glue dispensing mechanism of this utility model;

[0021] Figure 8 This is a flowchart illustrating the present invention.

[0022] In the diagram: 1. Workbench, 11. Base plate, 12. Side plate, 2. Turntable, 21. Rotating shaft, 3. Fixed seat, 31. Upper end face, 4. Glue application mechanism, 41. Glue roller, 411. Support frame, 42. Glue spraying pipe, 43. Piston rod, 431. Connecting rod, 5. Scraping mechanism, 51. Scraper, 52. Collection box, 6. Lifting mechanism, 61. Base, 611. Guide rail, 62. Guide plate, 7. Gripper, 8. Carcass, 81. Carcass edge, 82. Hem, 83. Detailed Implementation

[0023] To make the technical problems, technical solutions, and beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0024] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly on that other component. When a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to that other component.

[0025] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0026] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0027] like Figures 1 to 8As shown, a processing device for horn drum paper includes a worktable 1, the worktable 1 including a base plate 11, a turntable 2 disposed on the base plate 11, and a fixing seat 3 mounted on the turntable 2. The opening of the fixing seat 3 is "wider at the top and narrower at the bottom", which is adapted to the shape of the body 81 on the horn drum paper 8, so that the body 81 fits against the inner circumference of the fixing seat 3, and the body edge 82 of the drum paper 8 abuts against the upper end face 31 of the fixing seat 3. That is, the fixing seat 3 can provide stable support and fixation for the body 81, ensuring the stability and accuracy of the drum paper 8 during the processing.

[0028] Furthermore, a glue-applying mechanism 4 is provided on the fixed base 3. The glue-applying mechanism 4 includes a glue-applying roller 41 and a glue-spraying tube 42. The glue-spraying tube 42 is attached to the glue-applying roller 41. A support frame 411 is installed on the glue-applying roller 41. The glue-spraying tube 42 passes through both sides of the support frame 411 and is inclined on the glue-applying roller 41. The glue-spraying tube 42 on the glue-applying roller 41 can make the glue more evenly distributed on the glue-applying roller 41, reduce local accumulation or insufficient glue, and improve the coating effect. In addition, the inclined setting of the glue-spraying tube 41 helps the glue to flow on the glue-applying roller 41, reduces the generation of air bubbles and glue waste, and makes the glue cover the glue-applying roller 41 faster, thereby improving work efficiency.

[0029] refer to Figure 1 , Figure 3 As shown, a piston rod 43 is rotatably connected to the support frame 411. The piston rod 43 is connected to the cylinder and slidably connected to the worktable 1 through the connecting rod 431. At the same time, the extension and retraction of the piston rod 43 can adjust the distance between the glue roller 41 and the body edge 82, so as to facilitate the placement of the gripper 7 on the rolled edge 83.

[0030] refer to Figure 2 , Figure 7 As shown, the glue-applying roller 41 is attached to the fixed base 3 and located on the upper end face 31 of the fixed base 3. As the fixed base 3 rotates, it drives the carcass edge 82 to rotate, so that the glue-applying roller 41 can apply glue to the carcass edge 82. The glue-applying roller 41 evenly applies glue to the carcass edge 82 through the glue spraying pipe 42, thereby solving the problem that traditional glue-applying methods are difficult to apply glue evenly, resulting in a large amount of glue being wasted.

[0031] refer to Figure 1 , Figure 6As shown, a leveling mechanism 5 is provided on one side of the coating roller 41. The leveling mechanism 5 includes a scraper 51, which is inclinedly disposed on the upper end face 31 of the fixed base 3. That is, the scraper 51 can abut against the body edge 82 and the rolled edge 83. As the fixed base 3 rotates, it drives the body edge 82 to rotate, so that the adhesive surface of the body edge 82 and the rolled edge 83 can be leveled by the scraper 51. This effectively overcomes the wrinkling phenomenon of the adhesive surface of the body edge 82 and the rolled edge 83, thereby ensuring the surface flatness of the adhesive surface of the body edge 82 and the rolled edge 83, avoiding quality problems caused by uneven adhesion, and improving the overall performance and service life of the paper drum.

[0032] Furthermore, the smoothing mechanism 5 also includes a collection box 52, which abuts against the fixed base 3 and is located on one side of the scraper 51. The scraper 51 is inclined outward toward the collection box 52. The collection box 52 is used to collect excess glue during the bonding process. Under the action of gravity, the excess glue is guided into the collection box 52 through the scraper 51. That is, the smoothing mechanism 5 improves the bonding quality of the body edge 82 and the rolled edge 83. In addition, the smoothing mechanism 5 is slidably connected to the worktable 1, and the smoothing mechanism 5 can slide left and right as needed.

[0033] refer to Figure 1 , Figure 3 , Figure 5 As shown, the workbench 1 also includes a side plate 12, on which a lifting mechanism 6 is provided. The lifting mechanism 6 includes a base 61 and a guide plate 62. A guide rail 611 is provided on the base 61, and a gripper 7 is installed on the guide plate 62. The gripper is located above the fixed base 3. The gripper 7 is used to hold the curled edge 83 of the drum paper 8. The guide plate 62 drives the gripper 7 holding the curled edge 83 to slide up and down along the base 61 to a suitable position, thereby placing the curled edge 83 on the body edge 82 for bonding.

[0034] refer to Figure 8 As shown, in this embodiment, when processing the horn drum paper, the carcass 81 is first placed in the fixed base 3, and the carcass edge 82 abuts against the upper end face 31 of the fixed base 3. As the fixed base 3 rotates, the carcass edge 82 rotates, and the glue-applying roller attached to the carcass edge 82 applies glue to the carcass edge 82. At the same time, as the carcass edge 82 rotates, the glue-applying roller 41 applies glue evenly to the carcass edge 82 through the glue spraying pipe 42. After the glue application is completed, the glue-applying roller 41 moves away from the fixed base 3 under the drive of the piston rod 43.

[0035] Then, the gripper 7 above the fixed base 3 clamps the rolled edge 83, and the lifting mechanism 6 drives the gripper 7 to move to the appropriate position and releases the rolled edge 83, placing the rolled edge 83 on the body edge 82 for bonding.

[0036] Finally, the scraper 51 of the leveling mechanism 5 slides along the slide rail onto the body edge 82 and rolled edge 83 of the drum paper 9. The scraper 51 abuts against the bonding surface of the body edge 82 and rolled edge 83. As the fixed base 3 rotates, it drives the body edge 82 to rotate, so that the bonding surface of the body edge 82 and rolled edge 83 is leveled by the scraper 51, avoiding the appearance of wrinkles on the bonding surface of the body edge 82 and rolled edge 83. At the same time, during the pressing process, excess glue is guided into the collection box 52 through the scraper 51 to further ensure the surface flatness of the bonding surface of the body edge 82 and rolled edge 83, prevent excessive or insufficient glue in some areas, and thus improve the bonding quality of the body edge 82 and rolled edge 83.

[0037] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A processing apparatus for trumpet drum paper, comprising a worktable (1), characterized in that: The workbench (1) includes a base plate (11), on which a turntable (2) is provided. The turntable (2) drives the fixed seat (3) to rotate via a rotating shaft (21). The fixed seat (3) is provided with a glue applicator (4) and a leveling mechanism (5). The glue applicator (4) includes a glue applicator roller (41) and a glue spraying pipe (42). The glue spraying pipe (42) is attached to the glue applicator roller (41). The glue applicator roller (41) is attached to the fixed seat (3) and located on the upper end face (31) of the fixed seat (3). The leveling mechanism (5) includes a scraper (51). The scraper (51) is inclinedly arranged on the upper end face (31) of the fixed seat (3).

2. The processing apparatus for trumpet drum paper as described in claim 1, characterized in that: The glue-applying roller (41) is mounted on the support frame (411), and the glue-spraying pipe (42) passes through both sides of the support frame (411) and is inclined on the glue-applying roller (41).

3. The processing apparatus for trumpet drum paper as described in claim 2, characterized in that: A piston rod (43) is rotatably connected to the support frame (411), and the glue applicator (4) is slidably connected to the workbench (1) via a connecting rod (431).

4. The processing apparatus for trumpet drum paper as described in claim 1, characterized in that: The leveling mechanism (5) also includes a collection box (52), which abuts against one side of the fixed base (3), and the scraper (51) is inclined outward toward the collection box (52).

5. The processing apparatus for trumpet drum paper as described in claim 1, characterized in that: The workbench (1) also includes a side plate (12), on which a lifting mechanism (6) is provided. The lifting mechanism (6) includes a base (61) and a guide plate (62), on which a guide rail (611) is provided.

6. The processing apparatus for trumpet drum paper as described in claim 5, characterized in that: A gripper (7) is installed on the guide plate (62). The gripper (7) is located above the fixed base (3). The guide plate (62) drives the gripper (7) to slide up and down along the base (61).