Anti-position-deviation dispensing machine for voice diaphragm globe roof
By using an adaptive positioning module in the dispenser for tone membrane ball top for adaptive concentric positioning, the problem that a single fixture is difficult to adapt to the tone membrane ball top for different specifications is solved, and the stable positioning and high accuracy of the tone membrane ball top during the dispensing process is achieved.
Patent Information
- Application Number
- CN202520999591.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-21
- Publication Date
- 2025-06-27
- Estimated Expiration
- 2035-05-21
AI Technical Summary
In the prior art, when positioning the tone membrane sphere, it is difficult for a single fixture to adapt to the tone membrane sphere of different specifications and radii, and it is easy to shift or tilt due to clamping deviation, which leads to misalignment of glue points, affecting product quality.
A dispenser for tone membrane ball top that is anti-position offset is designed, and adopts an adaptive positioning module, which includes multiple sliding blocks and a turntable. By driving the motor, the sliding rod slides in the arcuate groove, and the sliding block slides to the center simultaneously to achieve adaptive concentric positioning of the tone membrane ball top.
This technical method can accurately adapt to the tone film tops of different radii specifications to ensure that it remains stable during the dispensing process, avoid position deviation and dispensing misalignment, and improve the consistency and accuracy of the position of the glue point.
Smart Images
Figure CN223027698U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of voice coil dome production, in particular to a dispensing machine for a voice coil dome to prevent position deviation. Background Art
[0002] A voice coil is a diaphragm for speaker playback. Its dome film and voice coil are bonded together to form a component, which is called a voice coil; a dispensing machine, also known as a glue coating machine, a drop glue machine, a glue filling machine, etc., is a special automated machine for controlling fluids and dripping and coating fluids on the surface or inside of products. The dispensing machine is mainly used to accurately dot, inject, coat, and drip glue, paint, and other liquids in the product process to each precise position of the product, and can be used to achieve dotting, line drawing, circles or arcs.
[0003] In the prior art, when positioning the voice coil dome, the fixture is fixed singly, which is difficult to adapt to voice coil domes with different radius specifications. It is easy to cause the voice coil dome to shift or tilt due to clamping deviation, resulting in the dislocation of glue dots, affecting the product quality, and relying on manual frequent replacement of fixtures. Summary of the Utility Model
[0004] The utility model discloses a dispensing machine for a voice coil dome to prevent position deviation, aiming to solve the technical problem that when positioning the voice coil dome, a single fixture is difficult to adapt to voice coil domes with different radius specifications, and it is easy to cause the voice coil dome to shift or tilt due to clamping deviation.
[0005] To achieve the above object, the utility model adopts the following technical solution: A dispensing machine for the voice coil dome to prevent position deviation, comprising a base; a workbench fixedly connected to the top of the base; a mounting frame erected above the base; a sliding table sliding inside the mounting frame; two hydraulic rods fixedly connected to the inner wall of the sliding table; a fixed table fixedly connected to the driving ends of the two hydraulic rods; a cylinder, the bottom of the cylinder fixedly connected to the fixed table; a sliding frame fixedly connected to the driving end of the cylinder; a glue cup fixedly connected to the sliding frame; a dispensing needle arranged at the bottom of the glue cup; an adaptive positioning module located on the top of the base. The adaptive positioning module includes a plurality of sliding blocks. A plurality of sliding grooves are circumferentially and equidistantly formed on the workbench. The plurality of sliding blocks all slide in the corresponding sliding grooves. The tops of the plurality of sliding blocks are all fixedly connected with positioning rods. The adaptive positioning module further includes a rotating shaft rotatably connected to the top of the base. A turntable is fixedly connected to the outside of the rotating shaft. A plurality of arc grooves are circumferentially and equidistantly formed on the turntable. A plurality of sliding rods are slidably connected in the plurality of arc grooves. The tops of the plurality of sliding rods are all fixedly connected with the corresponding sliding blocks. A driving motor is fixedly connected to the top of the workbench. The output end of the driving motor is fixedly connected with a gear. A toothed ring is fixedly connected to the outside of the turntable. The toothed ring meshes with the gear.
[0006] By providing an adaptive positioning module, place the voice coil dome above the workbench, start the driving motor to rotate the gear. Through the mutual meshing of the gear and the toothed ring, drive the turntable to rotate, forcing the sliding rods to slide in the arc grooves, so that the plurality of sliding rods drive the corresponding sliding blocks to slide synchronously towards the center. Push the voice coil dome to the exact center through the positioning rods, and perform positioning while limiting and fixing the voice coil dome. It can adaptively position and fix voice coil domes with different radius specifications, keep them stable during the dispensing process, avoid position deviation leading to dispensing misalignment, and improve the consistency and accuracy of the glue dot position.
[0007] In a preferred embodiment, an adaptation replacement module is provided on the mounting bracket. The adaptation replacement module includes a fixing bracket fixedly connected to one side of the mounting bracket. A circular hole is provided in the fixing bracket, and a rotating rod is rotatably connected in the circular hole. An external fixing connection of the rotating rod is provided with a rotating table, and a plurality of placing grooves are circumferentially and equidistantly provided on the rotating table. And a plurality of connecting brackets are circumferentially and equidistantly fixedly connected to the outer circumference of the rotating table. Electric telescopic rods are fixedly connected to the plurality of connecting brackets. The driving ends of the plurality of electric telescopic rods are fixedly connected with fixing blocks, and the plurality of fixing blocks are all slidable in the corresponding placing grooves. A universal motor is fixedly connected to the bottom of the fixing bracket, and the output end of the universal motor is fixedly connected to the bottom of the rotating rod. An installation hole is provided in the mounting bracket, and a threaded rod is rotatably connected in the installation hole. A sliding table is threadedly connected to the outside of the threaded rod. A servo motor is fixedly connected to one side of the mounting bracket, and the output end of the servo motor is fixedly connected to one end of the threaded rod, and a control panel is fixedly connected to the outer wall of the base.
[0008] By providing the adaptation replacement module, when the dispensing needle moves to directly above the placing groove, the air cylinder retracts to lower the dispensing needle into the placing groove. Start the corresponding electric telescopic rod to push the fixing block to fix and clamp the dispensing needle. Then, raise the height of the glue cup by the air cylinder again to separate the dispensing needle from the glue cup. Start the universal motor to rotate the rotating table, so that the corresponding dispensing needle rotates and moves to below the glue cup to complete the replacement. When facing different glue dot diameters required for different specifications of voice coil bobbin domes, the clamping and replacement of dispensing needles with different inner diameters can be quickly completed, reducing the needle change downtime and improving product quality and production efficiency.
[0009] As can be seen from the above, a dispensing machine for a voice coil bobbin dome that prevents position deviation provided by the present utility model can perform adaptive concentric positioning on the voice coil bobbin dome through the adaptation positioning module, can accurately adapt to voice coil bobbin domes with different radius specifications, ensure its stability during the dispensing process, avoid position deviation resulting in dispensing misalignment, and improve the consistency and accuracy of the glue dot position. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] Figure 1 It is a schematic diagram of the overall structure of a dispensing machine for a voice coil bobbin dome that prevents position deviation proposed by the present utility model;
[0011] Figure 2 It is a schematic diagram of the adaptation positioning module structure of a dispensing machine for a voice coil bobbin dome that prevents position deviation proposed by the present utility model;
[0012] Figure 3 It is a schematic diagram of the structure at the turntable of the adaptation positioning module of a dispensing machine for a voice coil bobbin dome that prevents position deviation proposed by the present utility model;
[0013] Figure 4 It is a schematic diagram of the adaptation replacement module structure of a dispensing machine for a voice coil bobbin dome that prevents position deviation proposed by the present utility model;
[0014] Figure 5 This is a schematic structural diagram of the sliding table of a dispensing machine for a voice coil dome to prevent position deviation proposed by the present utility model.
[0015] In the attached drawings: 1, base; 2, workbench; 3, control panel; 4, mounting bracket; 5, adaptive positioning module; 501, rotating shaft; 502, turntable; 503, toothed ring; 504, driving motor; 505, gear; 506, arc groove; 507, sliding rod; 508, sliding block; 509, positioning rod; 6, adaptive replacement module; 601, fixing bracket; 602, rotating rod; 603, rotating table; 604, universal motor; 605, connecting frame; 606, electric telescopic rod; 607, fixing block; 7, threaded rod; 8, servo motor; 9, sliding table; 10, cylinder; 11, sliding frame; 12, glue cup; 13, dispensing needle; 14, hydraulic rod; 15, fixing table. Specific embodiments
[0016] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the attached drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.
[0017] A dispensing machine for a voice coil dome to prevent position deviation disclosed by the present utility model is mainly applied to scenarios where a single fixture is difficult to adapt to voice coil domes with different specification radii during the positioning of voice coil domes, and it is easy to cause the deviation or inclination of the voice coil dome due to clamping deviation.
[0018] Refer to Figures 1 - 5, A dispensing machine for the sound film dome to prevent position deviation, comprising a base 1; a workbench 2, the workbench 2 is fixedly connected to the top of the base 1; a mounting frame 4, the mounting frame 4 is erected above the base 1; a sliding table 9, the sliding table 9 slides on the inner wall of the mounting frame 4; two hydraulic rods 14, both hydraulic rods 14 are fixedly connected to the inner wall of the sliding table 9; a fixed table 15, the fixed table 15 is fixedly connected to the driving ends of the two hydraulic rods 14; a cylinder 10, the bottom of the cylinder 10 is fixedly connected to the fixed table 15; a sliding frame 11, the sliding frame 11 is fixedly connected to the driving end of the cylinder 10; a glue cup 12, the glue cup 12 is fixedly connected to the sliding frame 11; a dispensing needle 13, the dispensing needle 13 is arranged at the bottom of the glue cup 12; an adaptive positioning module 5, the adaptive positioning module 5 is located on the top of the base 1, the adaptive positioning module 5 includes a plurality of sliding blocks 508, a plurality of sliding grooves are circumferentially and equidistantly opened on the workbench 2, and a plurality of sliding blocks 508 all slide in the corresponding sliding grooves, the tops of the plurality of sliding blocks 508 are all fixedly connected with positioning rods 509, the adaptive positioning module 5 further includes a rotating shaft 501, and the rotating shaft 501 is rotatably connected to the top of the base 1, a turntable 502 is fixedly connected to the outside of the rotating shaft 501, a plurality of arc grooves 506 are circumferentially and equidistantly opened on the turntable 502, and a plurality of sliding rods 507 are slidably connected in the plurality of arc grooves 506, the tops of the plurality of sliding rods 507 are all fixedly connected with the corresponding sliding blocks 508, a driving motor 504 is fixedly connected to the top of the workbench 2, a gear 505 is fixedly connected to the output end of the driving motor 504, and a toothed ring 503 is fixedly connected to the outside of the turntable 502, and the toothed ring 503 meshes with the gear 505.
[0019] Referring to Figure 1 , Figure 4 and Figure 5 , in a preferred embodiment, an adaptive replacement module 6 is arranged on the mounting frame 4, the adaptive replacement module 6 includes a fixed frame 601, the fixed frame 601 is fixedly connected to one side of the mounting frame 4, a circular hole is opened on the fixed frame 601, a rotating rod 602 is rotatably connected in the circular hole, a rotating table 603 is fixedly connected to the outside of the rotating rod 602, a plurality of placement grooves are circumferentially and equidistantly opened on the rotating table 603, and a plurality of connecting frames 605 are circumferentially and equidistantly fixedly connected to the outside of the rotating table 603, a plurality of electric telescopic rods 606 are fixedly connected to the plurality of connecting frames 605, the driving ends of the plurality of electric telescopic rods 606 are all fixedly connected with fixing blocks 607, and the plurality of fixing blocks 607 all slide in the corresponding placement grooves, a universal motor 604 is fixedly connected to the bottom of the fixed frame 601, and the output end of the universal motor 604 is fixedly connected to the bottom of the rotating rod 602, a threaded rod 7 is rotatably connected in the mounting hole opened on the mounting frame 4, the sliding table 9 is threadedly connected to the outside of the threaded rod 7, a servo motor 8 is fixedly connected to one side of the mounting frame 4, the output end of the servo motor 8 is fixedly connected to one end of the threaded rod 7, and a control panel 3 is fixedly connected to the outer wall of the base 1.
[0020] Working principle: Place the voice coil dome above the workbench 2. Start the driving motor 504 to rotate the gear 505. Through the meshing of the gear 505 and the gear ring 503, drive the turntable 502 to rotate, forcing the sliding rod 507 to slide in the arc-shaped groove 506, so that multiple sliding rods 507 drive the corresponding sliding blocks 508 to slide synchronously towards the center. Push the voice coil dome to the exact center through the positioning rod 509, position it and limit and fix the voice coil dome at the same time, which can adaptively position and fix voice coil domes with different radius specifications, keep it stable during the dispensing process, avoid position deviation and resulting dispensing misalignment, and improve the dispensing accuracy; When facing different glue dot diameters required for voice coil domes of different specifications, start the servo motor 8 to rotate the threaded rod 7, drive the sliding table 9 to move towards the fixed frame 601 side. At the same time, start the cylinder 10 to push the sliding frame 11 and the glue cup 12 to lift. When the dispensing needle 13 moves above the placement groove, the cylinder 10 retracts to lower the dispensing needle 13 into the placement groove. Start the corresponding electric telescopic rod 606 to push the fixed block 607 to fixedly clamp the dispensing needle 13. Lift the glue cup 12 again by the cylinder 10 to separate the dispensing needle 13 from the glue cup 12. Start the universal motor 604 to rotate the rotating table 603, so that the corresponding dispensing needle 13 rotates and moves below the glue cup 12 to complete the replacement.
[0021] The above is only the preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. The substitution can be the substitution of part of the structure, device, method steps, or a complete technical solution. Any equivalent substitution or change made according to the technical solution of the present invention and its inventive concept should be covered within the protection scope of the present invention.
Claims
1. A dispensing machine for a sound film dome to prevent position displacement, characterized in that: It includes a base; a workbench, which is fixedly connected to the top of the base; a mounting frame, which is arranged on the top of the base; a sliding table, which slides on the inner wall of the mounting frame; a hydraulic rod, two of which are fixedly connected to the inner wall of the sliding table; a fixed table, which is fixedly connected to the driving ends of the two hydraulic rods; a cylinder, the bottom of which is fixedly connected to the fixed table; a sliding frame, which is fixedly connected to the driving end of the cylinder; a glue cup, which is fixedly connected to the sliding frame; a glue dispensing needle, which is arranged at the bottom of the glue cup; an adaptive positioning module, which is located at the top of the base, and includes a plurality of sliding blocks, a plurality of sliding grooves are equidistantly provided on the circumference of the workbench, a plurality of sliding blocks slide in corresponding sliding grooves, and a positioning rod is fixedly connected to the top of the plurality of sliding blocks.
2. The dispensing machine for the dome of the sound film to prevent position displacement according to claim 1, characterized in that: The adaptive positioning module also includes a rotating shaft, and the rotating shaft is rotatably connected to the top of the base, and a rotating disk is fixedly connected to the outside of the rotating shaft.
3. The dispensing machine for the dome of the sound film to prevent position displacement according to claim 2, characterized in that: A plurality of arc grooves are equidistantly provided on the rotating disk, and sliding rods are slidably connected in the plurality of arc grooves, and the tops of the plurality of sliding rods are fixedly connected to corresponding sliding blocks.
4. The dispensing machine for the dome of the sound film to prevent position displacement according to claim 3, characterized in that: The top of the workbench is fixedly connected with a driving motor, the output end of the driving motor is fixedly connected with a gear, and the outside of the turntable is fixedly connected with a gear ring, and the gear ring and the gear are meshed with each other.
5. The dispensing machine for the dome of the sound film to prevent position displacement according to claim 1, characterized in that: The mounting frame is provided with an adaptive replacement module, which includes a fixing frame, which is fixedly connected to one side of the mounting frame, a circular hole is opened on the fixing frame, a rotating rod is rotatably connected in the circular hole, a rotating table is fixedly connected to the outside of the rotating rod, a plurality of placement grooves are opened on the rotating table at equal intervals on the circumference, and a plurality of connecting frames are fixedly connected to the outer circumference of the rotating table at equal intervals, the plurality of connecting frames are fixedly connected to electric telescopic rods, the driving ends of the plurality of electric telescopic rods are fixedly connected to fixed blocks, and the plurality of fixed blocks slide in corresponding placement grooves.
6. The dispensing machine for the dome of the sound film to prevent position displacement according to claim 5, characterized in that: The bottom of the fixing frame is fixedly connected with a universal motor, and the output end of the universal motor is fixedly connected to the bottom of the rotating rod.
7. The dispensing machine for the dome of the sound film to prevent position displacement according to claim 1, characterized in that: The mounting frame is provided with a mounting hole, a threaded rod is rotatably connected in the mounting hole, the sliding platform is connected to the outside of the threaded rod through threads, a servo motor is fixedly connected to one side of the mounting frame, the output end of the servo motor is fixedly connected to one end of the threaded rod, and a control panel is fixedly connected to the outer wall of the base.