Full-automatic large horn voice diaphragm scribing all-in-one machine

Abstract

The utility model discloses a full-automatic large horn voice diaphragm scribing all-in-one machine which comprises a wire winding and arranging assembly. The hot air gun assembly, the voice coil demolding assembly, the voice coil connecting assembly, the wire arranging assembly, the wire shearing assembly, the center glue applying assembly, the diaphragm feeding assembly, the conveying belt, the discharging mechanical arm, the center glue supplementing assembly, the line glue applying assembly, the wire pressing assembly, the wire bending assembly, the fixed glue dispensing assembly and the UV curing assembly are included, and the wire winding and arranging assembly comprises a wire winding main shaft, a wire arranging motor and a voice coil mold head. According to the full-automatic large horn voice diaphragm scribing all-in-one machine, the structure is optimized, a plurality of procedures are integrated, compactness is improved, equipment cost and occupied space are reduced, the yield and stability of heavy difficult stations are improved, material turnover time and manual intervention time are shortened, and efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the technical field of integrated diaphragm marking machine, and in particular to a fully automatic integrated diaphragm marking machine for large loudspeakers. Background Technology

[0002] In the production of traditional speaker diaphragm products, processes such as voice coil winding, diaphragm assembly, and voice coil scribing are usually completed step by step by multiple machines connected in series or in the form of an assembly line. This results in problems such as large equipment space occupation, high cost, low efficiency, low yield, and poor stability.

[0003] This equipment is a product of the company's continuous research and development. It has been continuously modified and upgraded, which has improved the equipment structure, yield, and stability. In particular, the bending station has been redesigned from the previous structure, which has achieved a major breakthrough in the scribing yield. Utility Model Content

[0004] The purpose of this utility model is to provide a fully automatic large speaker diaphragm marking machine that optimizes the structure, integrates multiple processes, improves compactness, reduces equipment costs and space occupation, improves the yield and stability of key and difficult work stations, reduces material turnover time and manual intervention time, and improves efficiency.

[0005] This utility model provides a fully automatic integrated machine for marking and scribing the diaphragm of a large loudspeaker, including a winding and arranging assembly, a hot air gun assembly, a voice coil demolding assembly, a voice coil attaching assembly, a wire organizing assembly, a wire cutting assembly, a center glue application assembly, a diaphragm feeding assembly, a conveyor belt, a material unloading robot, a center glue application assembly, a marking glue application assembly, a wire pressing assembly, a wire bending assembly, a spot fixing glue assembly, and a UV curing assembly. The winding and arranging assembly includes a winding spindle, a wire arranging motor, and a voice coil die head. The winding spindle and the voice coil die head are coaxially mounted, and the winding spindle drives the voice coil die head to rotate. The hot air gun assembly... The components are symmetrically installed on both sides of the voice coil die head. The hot air gun assembly includes hot air gun preheating and hot air gun heating, which are fixed by brackets respectively. The voice coil demolding assembly includes a 6-station turntable and a voice coil demolding cylinder. The 6-station turntable is driven by a cam divider for indexing switching. The voice coil demolding cylinder is vertically installed below the turntable and is connected to the voice coil die head spindle through an ejector pin. The voice coil receiving assembly includes a core-pulling cylinder, a material-pushing cylinder, and a first hollow rotating platform. The first hollow rotating platform is connected to a 24-station disc. The wire management assembly is located downstream of the wire cutting assembly. Preferably, the wire management assembly includes a wire clamp, a first wire clamping cylinder, and a wire management cylinder. The wire clamp is connected to the first wire clamping cylinder through a linkage mechanism. The wire management cylinder drives the wire clamp to vertically lift the copper wire to 90°. The wire cutting assembly is adjacent to the voice coil demolding assembly. The wire cutting assembly includes pneumatic shears and a transverse cylinder. The pneumatic shears are connected to the transverse cylinder push rod through a flange.

[0006] Preferably, the winding and wiring assembly and the voice coil demolding assembly share a 6-station turntable. The 6-station turntable is indexed and switched by a divider. The hot air gun preheating and hot air gun heating of the hot air gun assembly are respectively integrated into the winding assembly and the wire cutting assembly.

[0007] Preferably, the pneumatic scissors of the wire cutting assembly are driven to both sides of the voice coil die head by a transverse cylinder, and the wire clamps of the wire organizing assembly hold the root of the copper wire by a first wire clamping cylinder.

[0008] Preferably, the first hollow rotating platform for the voice coil assembly is aligned with the 24-station disc via servo drive, the core-pulling cylinder vertically ejects the voice coil core shaft, and the material-feeding cylinder finely adjusts the voice coil position via a fork-shaped paddle.

[0009] Preferably, the needle of the center adhesive assembly has its pressing depth adjusted by a lifting cylinder, the UV lamp of the UV curing assembly has its height adjusted by a lifting cylinder, and the diaphragm rotation mechanism drives the diaphragm fixture to rotate.

[0010] Preferably, the tip of the wire-blocking pin of the bending assembly is rounded, the height of the wire-blocking seat is adjusted by an upper and lower motor, and the pressure block of the wire-pressing assembly is made of silicone.

[0011] Preferably, the suction nozzle of the unloading robot is rotated 180° by a rotary cylinder to avoid obstacles, and adjustable guide bars are provided on both sides of the conveyor belt.

[0012] Therefore, this utility model adopts the above-mentioned fully automatic large speaker diaphragm marking integrated machine, optimizes the structure, integrates multiple processes, improves compactness, reduces equipment costs and space occupation, improves the yield and stability of key and difficult work stations, reduces material turnover time and manual intervention time, and improves efficiency.

[0013] The technical solution of this utility model will be further described in detail below with reference to the accompanying drawings and embodiments. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the winding and wiring assembly and the voice coil demolding assembly of a fully automatic large loudspeaker diaphragm marking machine according to this utility model;

[0015] Figure 2 This is a schematic diagram of the wire-cutting component structure of a fully automatic large loudspeaker diaphragm marking machine according to the present invention;

[0016] Figure 3 This is a schematic diagram of the cable management component structure of a fully automatic large loudspeaker diaphragm marking machine according to the present invention;

[0017] Figure 4 This is a schematic diagram of the voice coil assembly of a fully automatic large loudspeaker diaphragm marking machine according to the present invention;

[0018] Figure 5This is a schematic diagram of the voice coil assembly structure of a fully automatic large loudspeaker diaphragm marking machine according to the present invention.

[0019] Figure 6 This is a schematic diagram of the diaphragm feeding assembly of a fully automatic large loudspeaker diaphragm marking machine according to the present invention.

[0020] Figure 7 This is a schematic diagram of the center glue application component of a fully automatic large loudspeaker diaphragm marking machine according to this utility model;

[0021] Figure 8 This is a schematic diagram of the UV curing component and the dotting adhesive component of a fully automatic large loudspeaker diaphragm marking machine according to the present invention.

[0022] Figure 9 This is a schematic diagram of the bending component structure of a fully automatic large loudspeaker diaphragm marking machine according to the present invention.

[0023] Figure 10 This is a schematic diagram of the pressure assembly of a fully automatic large loudspeaker diaphragm marking machine according to the present invention.

[0024] Figure 11 This is a schematic diagram of the marking glue assembly structure of a fully automatic large loudspeaker diaphragm marking machine according to this utility model.

[0025] Figure 12 This is a schematic diagram of the center glue assembly structure of a fully automatic large loudspeaker diaphragm marking machine according to the present invention.

[0026] Figure 13 This is a schematic diagram of the unloading robot arm of a fully automatic large loudspeaker diaphragm marking integrated machine according to the present invention;

[0027] Figure 14 This is a schematic diagram of the conveyor belt structure of a fully automatic large loudspeaker diaphragm marking machine according to this utility model.

[0028] Figure Labels

[0029] 1. Winding and wiring assembly; 2. Hot air gun; 3. Voice coil demolding assembly; 4. Voice coil receiving assembly; 5. Wire management assembly; 6. Wire cutting assembly; 7. Center glue application assembly; 8. Diaphragm feeding assembly; 9. Conveyor belt; 10. Unloading robot; 11. Center glue application assembly; 12. Marking glue application assembly; 13. Wire pressing assembly; 14. Wire bending assembly; 15. Spot fixing glue assembly; 16. UV curing assembly; 111. Winding spindle; 112. Wiring motor; 113. Voice coil die head; 21. Hot air gun preheating; 22. Hot air gun heating; 31. 6-station turntable; 32. Voice coil demolding cylinder; 41. Receiving and unloading module; 42. Core pulling cylinder; 43. Material feeding cylinder; 44. First hollow rotating platform; 51. Wire clamp; 52. First wire clamping cylinder; 5 3. Horizontal movement cylinder; 54. Wire handling cylinder; 61. Pneumatic scissors; 71. Lifting cylinder; 72. Needle; 73. Glue wiping mechanism; 74. Diaphragm fixture; 75. Diaphragm rotation mechanism; 76. Unlocking mechanism; 81. Material handling mechanism; 82. Diaphragm hopper; 83. Feeding turntable; 84. Cam divider; 85. Suction cup; 86. Pushing shaft; 101. Horizontal movement module; 102. Suction nozzle; 103. Rotary cylinder; 121. Lifting Z-axis; 122. Horizontal movement X-axis; 123. Horizontal movement Y-axis; 131. Pressure block; 141. Folding line up and down motor; 142. Folding line up and down cylinder; 143. Second hollow rotating platform; 144. Rotary motor; 145. Second wire clamping cylinder; 146. Wire blocking needle; 151. Syringe; 161. UV lamp. Detailed Implementation

[0030] The technical solution of this utility model will be further described below with reference to the accompanying drawings and embodiments.

[0031] Unless otherwise defined, the technical or scientific terms used in this invention shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention pertains.

[0032] The terms "first," "second," and similar words used in this invention do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Terms such as "comprising" or "including" mean that the element or object preceding the word encompasses the elements or objects listed after the word and their equivalents, without excluding other elements or objects. Terms such as "connected" or "linked" are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. Terms such as "upper," "lower," "left," and "right" are used only to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0033] Example 1

[0034] like Figures 1-14As shown, this utility model discloses a fully automatic large loudspeaker diaphragm marking integrated machine, including a winding and arranging assembly 1, a hot air gun assembly 2, a voice coil demolding assembly 3, a voice coil connecting assembly 4, a wire organizing assembly 5, a wire cutting assembly 6, a center glue application assembly 7, a diaphragm feeding assembly 8, a conveyor belt 9, a material unloading robot 10, a center glue application assembly 11, a marking glue application assembly 12, a wire pressing assembly 13, a wire bending assembly 14, a spot fixing glue assembly 15, and a UV curing assembly 16. The winding and arranging assembly 1 includes a winding spindle 111, a arranging motor 112, and a voice coil die head 113. The winding spindle 111 and the voice coil die head 113 are coaxially mounted. The winding spindle 111 drives the voice coil die head 113 to rotate, and the copper wire is guided by a tensioner to wind in the winding groove of the die head.

[0035] The hot air gun assembly 2 is symmetrically installed on both sides of the voice coil mold head 113, including hot air gun preheating 21 and hot air gun heating 22. The hot air gun preheating 21 and hot air gun heating 22 are fixed by brackets and connected to the temperature control module. The voice coil demolding assembly 3 includes a 6-station turntable 31 and a voice coil demolding cylinder 32. The 6-station turntable 31 is driven by a cam divider 84 to switch indexing. The voice coil demolding cylinder 32 is vertically installed below the turntable and is connected to the mandrel of the voice coil mold head 113 through an ejector pin.

[0036] The voice coil assembly 4 includes a core-pulling cylinder 42, a material-feeding cylinder 43, and a first hollow rotating platform 44, which is connected to the 24-station disc. The wire management assembly 5 is located downstream of the wire cutting assembly 4. The wire management assembly 5 includes a wire clamp 51, a first wire clamping cylinder 52, and a wire management cylinder 54. The wire clamp 51 is connected to the first wire clamping cylinder 52 via a linkage mechanism. The wire management cylinder 54 drives the wire clamp 51 to vertically lift the copper wire to 90°.

[0037] The wire cutting assembly 6 is located adjacent to the voice coil demolding assembly 3. The wire cutting assembly 6 includes a pneumatic shear 61 and a transverse cylinder 53. The pneumatic shear 61 is connected to the push rod of the transverse cylinder 53 via a flange. The center adhesive application assembly 7 and the UV curing assembly 16 are integrated into a 24-station disc and include a lifting cylinder 71, a needle 72, and a UV lamp 161.

[0038] The diaphragm feeding assembly 8 includes a diaphragm hopper 82, a suction cup 85, and a cam divider 84. A spring push plate is located at the bottom of the diaphragm hopper 82. The suction cup 85 uses negative pressure to adsorb the diaphragm and transfer it to the diaphragm fixture 74 on the 24-station disc. The bending assembly 14 and the pressing assembly 13 include 141, a bending motor; 142, a bending cylinder; 143, a second hollow rotary platform; 144, a rotary motor; 145, a second clamping cylinder; 146, a wire-blocking pin; and a silicone pressure block 131. The wire-blocking pin 146 is driven by the rotary motor 142. The marking glue assembly 12 and the glue application assembly 11 include a three-axis linkage glue gun and a rotary glue application needle 72.

[0039] The unloading robot and conveyor belt are integrated. The unloading robot picks up the finished product through the suction nozzle 102 and transfers it to the conveyor belt. The belt speed is continuously adjustable by a variable frequency motor. The PLC control system coordinates the indexing cycle of the 6-station turntable 31 and the 24-station disc through a sensor network, synchronizing cylinder actions, servo motors, and glue quantity feedback. The winding and laying assembly 1 and the voice coil demolding assembly 3 share the 6-station turntable 31. The 6-station turntable 31 is indexed and switched by a divider. The hot air gun preheating 21 and hot air gun heating 22 of the hot air gun assembly 2 are integrated into the winding assembly and the wire cutting assembly, respectively. The temperature control module adjusts the die head temperature in real time.

[0040] The pneumatic scissors 61 of the wire cutting assembly 6 are driven to both sides of the voice coil die head 113 by the transverse cylinder 53. The wire clamp 51 of the wire organizing assembly 5 clamps the root of the copper wire by the first wire clamping cylinder 52, and the wire organizing cylinder 54 lifts the copper wire to a vertical position. The first hollow rotating platform 44 of the voice coil assembly 4 is aligned with the 24-station disc by servo drive. The core pulling cylinder 42 vertically pushes out the voice coil core shaft, and the material feeding cylinder 43 finely adjusts the position of the voice coil by using a fork-shaped paddle.

[0041] The needle 72 of the center adhesive assembly 7 adjusts the pressing depth via a lifting cylinder 71, and the UV lamp 161 of the UV curing assembly adjusts its height via the lifting cylinder 71. A light intensity sensor monitors in real time and provides feedback to the PLC. The diaphragm rotation mechanism 75 drives the diaphragm fixture 74 to rotate. The wire bending assembly 14 has a rounded tip on its wire-blocking needle 146, and the wire-blocking seat 145 has its height adjusted via an upper and lower motor. The pressure block 131 of the wire pressing assembly 13 is made of silicone. The suction nozzle 102 of the unloading robot 10 rotates 180° to avoid obstacles via a rotary cylinder, and adjustable guide strips are provided on both sides of the conveyor belt 9.

[0042] Includes the following steps:

[0043] Step S1: The voice coil copper wire is evenly wound and bonded with glue by preheating, tension adjustment and high-speed winding through the voice coil die 113; the 6-station turntable 31 is indexed and switched to transfer the wound voice coil die 113 to the wire cutting assembly, providing the preconditions for the precise cutting of the copper wire.

[0044] Hot air gun preheating 21: When started, the hot air gun preheats the voice coil die head 113 to prevent the glue from solidifying at low temperature and causing uneven winding; the temperature control module monitors the temperature of the voice coil die head 113 in real time; copper wire tension adjustment: adjust the copper wire tension to ensure that the copper wire is taut and not loose during winding; voice coil winding: winding spindle 111 drive: the winding spindle 111 drives the voice coil die head 113 to rotate, and the copper wire is guided by the tensioner to be evenly wound in the winding groove of the die head.

[0045] Hot air gun heating 22: During the winding process, the hot air gun continuously heats the die head to 80°C, so that the glue melts evenly and bonds the copper wire, avoiding delamination; Winding completed: After the winding is completed, the divider of the 6-station turntable 31 drives the voice coil die head 113 to rotate in sections, turning the wound voice coil die head 113 to the wire cutting assembly, while the next empty die head turns to the winding assembly.

[0046] Step S2: Based on the positioning of the transverse cylinder 53 and the pneumatic scissors 61, the copper wire is cut with high precision; after the copper wire is clamped and lifted to a vertical state, the voice coil is transferred to the voice coil assembly through the cam divider 84 to connect the subsequent voice coil and diaphragm alignment process.

[0047] Positioning by transverse cylinder 53: Transverse cylinder 53 drives pneumatic scissors 61 to move to the preset cutting position of copper wires on both sides of voice coil die head 113; Cutting action: Two pneumatic scissors 61 simultaneously cut the copper wires at both ends of the voice coil, with a clean cut without burrs; The opening and closing signals of pneumatic scissors 61 are controlled by the PLC control system.

[0048] Copper wire clamp 51 positioning: The first clamping cylinder 52 drives the clamp 51 to close, and the clamp 51 clamps the root of the copper wire; Copper wire lifting and sorting: The wire sorting cylinder 54 drives the clamp 51 to vertically upward, lifting the copper wire to a 90° vertical position; Wire clamp 51 reset and station switching: Horizontal movement cylinder 53 reset: Action: The horizontal movement cylinder 53 drives the clamp 51 to horizontally reset to the initial position; Divider turntable indexing: After the wire cutting and sorting are completed, the cam divider 84 rotates, sending the voice coil to the voice coil receiving assembly, while the next voice coil that has completed winding enters the wire cutting assembly.

[0049] Step S3: Automatic diaphragm feeding and precise positioning are achieved through spring push plate and suction cup 85; servo rotation mechanism diffuses center adhesive to provide bonding reference surface for voice coil assembly, and synchronous PLC control system linkage ensures beat matching.

[0050] Membrane storage and preparation: Membrane hopper 82 stores membranes to be processed and supports automatic replenishment; the bottom of membrane hopper 82 is equipped with a spring push plate to ensure that the membranes are pushed up layer by layer to the picking position;

[0051] Membrane pick-up and positioning: Pick-up and drop mechanism 81: suction cup 85 adsorption: negative pressure adsorption of membrane to avoid scratching the surface; transfer the membrane from membrane hopper 82 to the 24-station disc fixture.

[0052] Pusher shaft 86: Auxiliary positioning: Pneumatic pusher gently pushes the edge of the diaphragm; Disc indexing and station switching: Feeding turntable 83 and cam divider 84: Cam divider 84 drives the 24-station disc to rotate at indexing intervals, with each station pausing for 3 seconds; Linked with the 6-station turntable 31 of the winding assembly via PLC to ensure the voice coil and diaphragm beat are matched. Center adhesive coating: Apply center adhesive assembly; Lifting cylinder 71: Drives the needle 72 to move vertically to the diaphragm surface; Lateral cylinder 53: Adjusts the horizontal position of the needle 72.

[0053] Dispensing operation: Precision needle valve dispensing; Diaphragm rotation mechanism 75: Servo motor: Drives the diaphragm fixture 74 to rotate so that the glue can be evenly spread; Glue wiping mechanism 73: Pneumatic sponge: Automatically wipes the needle tip 72 of residual glue to prevent glue dripping and contamination of the diaphragm; Unlocking mechanism 76: Pneumatic unlocking: Releases the diaphragm fixture 74 to facilitate the subsequent handling of the diaphragm.

[0054] Glue curing preparation: After the glue is applied, the cam divider 84 drives the disc to rotate to the voice coil assembly. In step S4, the core-pulling cylinder 42 releases the inner diameter of the voice coil, and the voice coil-diaphragm center is aligned by the material feeding and correction. After UV curing and edge glue application, the turntable indexes the finished product to the bending assembly, completing the glue curing and pre-fixation of the structure.

[0055] Voice coil receiving and positioning: Voice coil assembly receiving module 41: Receives the voice coil ejected from the voice coil demolding assembly and fixes it using a vacuum suction cup 85 or mechanical grippers. Core-pulling cylinder 42 pulls out the mandrel of the voice coil mold head 113, releasing the inner diameter of the voice coil for subsequent assembly; Material-shifting cylinder 43: Fine-tunes the voice coil position to ensure the center of the voice coil is aligned with the center of the diaphragm; First hollow rotating platform 44: Servo-driven rotation of the receiving station to precisely align with the diaphragm station; After the voice coil is received, the PLC verifies the position signal. If the deviation exceeds the limit, the material-shifting cylinder 43 is triggered to correct the deviation; if it still fails, an alarm is triggered.

[0056] UV Curing Center Adhesive: UV Curing Components: UV lamp 161 rapidly cures the center adhesive; Lifting Cylinder 71: Adjusts the height of UV lamp 161 to adapt to different film thicknesses; Light Intensity Sensor: Monitors UV light intensity in real time; if it is below the threshold, triggers an alarm and extends the curing time; Edge Fixing Adhesive Dotting Components: Dotting Fixing Adhesive Components: Syringe 151: Precision dispensing needle 72, applies epoxy fixing adhesive to the edge of the film; Lifting Cylinder 71: Controls the downward pressure of syringe 151 to prevent adhesive splashing; Lateral Movement Module 101: Servo motor drives syringe 151 to move along the edge of the film, for a total of 8 points.

[0057] Post-curing treatment and transfer: The unlocking mechanism 76 pneumatically unlocks the diaphragm fixture 74, releasing the finished product;

[0058] Rotary indexing: Cam divider 84 drives 24-station rotary disc to rotate, delivering the finished product to the bending assembly;

[0059] Step S5: The servo bending needle forms the copper wire at a preset angle, and the wire stop 145 limits and controls the bending length; the silicone pressure block 131 presses the copper wire to a floating height of ≤0.1mm, providing a flat surface for the marking adhesive coating.

[0060] Copper wire positioning and clamping: The first clamping cylinder 52 clamps the root of the copper wire: The first clamping cylinder 52 drives the jaws to close, clamping the root of the voice coil copper wire to prevent the copper wire from shifting or loosening during bending; Copper wire pre-bending preparation:

[0061] The folding line up and down motor 141 is connected to the ball screw module via a coupling, and is also fixed to the folding line up and down cylinder 142 and the second hollow rotating platform 143 via bolts. The folding line up and down motor 142, the second hollow rotating platform 143, the rotary motor 144, the second wire clamping cylinder 145, and the wire blocking needle 146 move up and down. After the folding line up and down motor 141 moves down to the appropriate position, the second wire clamping cylinder 145 holds the diaphragm lead wire. The folding line up and down cylinder 145 then drives the wire blocking needle 146 to press down onto the diaphragm surface. The rotary motor 144 controls the second hollow rotating platform 143 to drive the second wire clamping cylinder 145 to rotate around the wire blocking needle 146. The rotation to the appropriate position completes the folding line action.

[0062] Copper wire pressing and bonding: Lifting cylinder 71: Drives silicone pressure block 131 to press the copper wire vertically downward. Pressing effect: Ensures that the bent copper wire is tightly attached to the surface of the film. Reset and station transfer: Component reset: First clamping cylinder 52 releases the copper wire. Turntable indexing: 24-station disc divider drives the film to rotate and apply the marking adhesive assembly.

[0063] Step S6: Apply glue along the bending trajectory using a three-axis linkage. The flow meter and fiber optic sensor achieve closed-loop control of the glue quantity. After the rotary glue application covers the outer edge of the voice coil, a pneumatic sponge cleans up any excess glue, ensuring that the finished product is clean when transferred to the unloading robot.

[0064] Three-axis positioning calibration: Z-axis lifting (121): Servo motor drives the glue gun to move vertically above the diaphragm surface; X / Y-axis lateral movement: Stepper motor drives the glue gun to move along a preset trajectory, covering the copper wire bending path; Glue preheating and pressure adjustment: Glue tank heating: Glue is preheated to 40℃. Pressure pump outputs constant pressure to ensure stable glue flow. Marking glue application: Needle 72 contacts the diaphragm surface, applying glue along the copper wire bending trajectory. Three-axis linkage: X / Y axes control the planar path, Z-axis adjusts the height in real time to adapt to diaphragm surface undulations; Glue volume control: Glue volume feedback: Flow meter monitors glue volume in real time, triggering an alarm when abnormalities occur. Glue break detection: Fiber optic sensor detects glue line continuity, pausing and prompting for glue replenishment when glue breaks.

[0065] Center glue application: The lateral movement cylinder 53 drives the needle 72 to move horizontally to the outer edge of the voice coil. The lifting cylinder 71 adjusts the downward pressure of the needle 72 to prevent glue splashing. Rotary glue application: Diaphragm rotation mechanism 75: The servo motor drives the diaphragm fixture 74 to rotate, and the needle 72 applies glue 360° along the outer edge of the voice coil; the lateral movement of the needle 72 is synchronously controlled in conjunction with the rotation of the diaphragm to ensure uniform glue coverage.

[0066] Excess adhesive cleaning and curing: The lifting cylinder 71 drives the sponge to wipe the excess adhesive on the diaphragm surface; Cleaning frequency: Automatic wiping after each adhesive replenishment to prevent adhesive buildup; Station transfer and finished product preparation: Unlocking mechanism 76 unlocks: Pneumatic release of diaphragm fixture 74 releases the diaphragm fixation; Turntable indexing: The 24-station disc divider transfers the finished product to the unloading assembly, ready for the robot arm to pick it up.

[0067] Step S7: The suction nozzle 102 obstacle avoidance and transfer and the conveyor belt anti-accumulation design achieve efficient output of finished products; the unloading robot arm resets and the 24-station disc cycle starts, and the closed loop is connected back to the diaphragm feeding assembly to complete the fully automated connection of the entire process.

[0068] Photoelectric sensor detection: The photoelectric sensor detects the position of the diaphragm and sends a signal to the PLC control system to start the unloading robot; positioning verification: if the deviation is out of tolerance, an alarm is triggered and the process is paused; vacuum adsorption gripping lifting cylinder 71: drives the silicone suction nozzle 102 to descend vertically to the surface of the finished product for vacuum adsorption. The suction nozzle 102 adsorbs the finished product under negative pressure, and the pressure sensor monitors the adsorption status in real time. If adsorption fails, it triggers supplementary adsorption or an alarm.

[0069] Finished product transfer and obstacle avoidance: The synchronous belt drives the lateral movement module 101 to move the suction nozzle 102 horizontally above the conveyor belt. Rotary cylinder obstacle avoidance: The suction nozzle 102 is rotated 180° by a rotary cylinder to avoid the equipment frame or other obstacles.

[0070] Finished product release onto the conveyor belt: Demagnetizing valve action: Vacuum is closed, releasing the finished product onto the conveyor belt surface to prevent impact from falling; suction nozzle 102 slightly rises at the moment of release to prevent scratches on the finished product. Conveyor belt operation: Variable frequency motor drive with stepless speed regulation: The speed of the conveyor belt 9 is adjusted according to the production cycle, supporting continuous or intermittent conveying. Anti-accumulation design: Photoelectric sensors detect finished product accumulation signals at the end of the belt; if the limit is exceeded, the robotic arm stops unloading.

[0071] Guide baffles: Mechanically or pneumatically adjustable baffles on both sides of the conveyor belt 9 to accommodate finished products of different sizes; empty station reset and cycle start. Robotic arm reset: The suction nozzle 102 resets to its initial position, ready for the next cycle. Turntable indexing: The 24-station rotary indexer drives the empty station back to the diaphragm feeding assembly 8, starting a new round of production.

[0072] Therefore, this utility model adopts the above-mentioned fully automatic large speaker diaphragm marking integrated machine, optimizes the structure, integrates multiple processes, improves compactness, reduces equipment costs and space occupation, improves the yield and stability of key and difficult work stations, reduces material turnover time and manual intervention time, and improves efficiency.

[0073] The above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although the utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can still be made to the technical solution of this utility model, and such modifications or equivalent substitutions cannot cause the modified technical solution to deviate from the spirit and scope of the technical solution of this utility model.

Claims

1. A fully automatic large loudspeaker diaphragm marking machine, characterized in that, The system includes a winding and arranging assembly, a hot air gun assembly, a voice coil demolding assembly, a voice coil splicing assembly, a wire management assembly, a wire cutting assembly, a center glue application assembly, a diaphragm feeding assembly, a conveyor belt, a material unloading robot, a center glue application assembly, a marking glue assembly, a wire pressing assembly, a wire bending assembly, a spot fixing glue assembly, and a UV curing assembly. The winding and arranging assembly includes a winding spindle, a arranging motor, and a voice coil die head. The winding spindle and the voice coil die head are coaxially mounted, and the winding spindle drives the voice coil die head to rotate. The hot air gun assembly is symmetrically mounted on both sides of the voice coil die head. The hot air gun assembly includes a hot air gun preheating unit and a hot air gun heating unit, which are fixed by brackets respectively; the voice coil demolding assembly includes a 6-station turntable and a voice coil demolding cylinder, the 6-station turntable is driven by a cam divider to switch indexing, and the voice coil demolding cylinder is vertically installed below the turntable and connected to the voice coil die head spindle through an ejector pin; the voice coil receiving assembly includes a core-pulling cylinder, a material-ejecting cylinder and a first hollow rotating platform, the first hollow rotating platform is connected to a 24-station disc; the wire sorting assembly is located downstream of the wire cutting assembly.

2. The fully automatic large speaker diaphragm marking machine according to claim 1, characterized in that, The cable management assembly includes a cable clamp, a first cable clamping cylinder, and a cable management cylinder. The cable clamp is connected to the first cable clamping cylinder via a linkage mechanism. The cable management cylinder drives the cable clamp to vertically lift the copper wire to 90°. The wire cutting assembly is located next to the voice coil demolding assembly. The wire cutting assembly includes pneumatic scissors and a transverse cylinder. The pneumatic scissors are connected to the transverse cylinder push rod via a flange.

3. The fully automatic large speaker diaphragm marking machine according to claim 1, characterized in that, The winding and wiring assembly and the voice coil demolding assembly share a 6-station turntable. The 6-station turntable is indexed and switched by a divider. The hot air gun preheating and hot air gun heating of the hot air gun assembly are integrated into the winding assembly and the wire cutting assembly, respectively.

4. The fully automatic large speaker diaphragm marking machine according to claim 2, characterized in that, The pneumatic scissors of the wire cutting assembly are driven to both sides of the voice coil die head by a transverse cylinder, and the wire clamps of the wire organizing assembly hold the root of the copper wire by a first wire clamping cylinder.

5. The fully automatic large speaker diaphragm marking machine according to claim 1, characterized in that, The first hollow rotating platform of the voice coil assembly is aligned with the 24-station disc via servo drive. The core-pulling cylinder vertically ejects the voice coil core shaft, and the material-feeding cylinder finely adjusts the voice coil position via a fork-shaped paddle.

6. The fully automatic large speaker diaphragm marking machine according to claim 1, characterized in that, The needle of the center adhesive assembly has its pressing depth adjusted by a lifting cylinder, the UV lamp of the UV curing assembly has its height adjusted by a lifting cylinder, and the diaphragm rotation mechanism drives the diaphragm fixture to rotate.

7. The fully automatic large loudspeaker diaphragm marking machine according to claim 1, characterized in that, The tip of the wire-bending assembly's wire-blocking pin is rounded, and the pressure block of the wire-pressing assembly is made of silicone.

8. The fully automatic large speaker diaphragm marking machine according to claim 1, characterized in that, The suction nozzle of the unloading robot is rotated 180° by a rotary cylinder to avoid obstacles, and adjustable guide bars are provided on both sides of the conveyor belt.

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