Dust cap automatic assembly turntable machine

Abstract

This invention relates to the field of automated assembly technology and discloses an automatic dust cap assembly turntable machine, including a machine base. The top of the machine base is equipped with a horn assembly and testing device, a feeding device, a dust cap feeding device, and a dust cap dispensing device. The horn assembly and testing device is used for flipping, assembling, and testing the horns. The feeding device includes a feeding belt and a lifting and picking clamp for clamping, feeding, and transporting the assembled horns. This automatic dust cap assembly turntable machine has the advantages of high automation and integrated multi-station complex processes. It is also a multi-station automotive horn assembly device with a certain degree of expandability, playing a key role in improving product quality and yield. Furthermore, the overall design employs a cam linkage mechanism, making its purely mechanical structure stable, with a low failure rate and low cost. It can also be extended to many automated assembly equipment in the automation industry.

Description

Technical Field

[0001] This invention relates to the field of automated assembly technology, specifically to an automatic dust cap assembly turntable machine. Background Technology

[0002] The main function of a speaker dust cap is to prevent dust and other debris from entering the magnetic gap from the front of the diaphragm, which could cause abnormal sound quality. It also helps to reinforce the high frequencies. Speaker dust caps are mostly made of paper, cloth, non-woven fabric, Mylar, PEI, and metal film. However, since paper, Mylar, PEI, and metal film all reinforce the diaphragm and also radiate sound from the dust cap, their size and shape affect the frequency response characteristics. Dust caps also come in a variety of colors, and the design must be based on the customer's requirements or aesthetic matching. Plastic film or metal film dust caps, due to the inherent elasticity of the material, have a thickness that affects the sound. Generally, for high-power speakers with strong vibrations, the dust cap should be thicker to prevent resonance and also be more durable.

[0003] Traditional car horn production lines often use single machines in series, operated manually, or employ single-function assembly equipment. These methods suffer from low production efficiency and weak automation. Furthermore, the quality of the products depends heavily on the operator's skill level, resulting in a low yield rate. In addition, the lack of control over the assembly process leads to inaccuracies in the glue application stage, making it unable to meet the ever-increasing production demands. Summary of the Invention

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this invention provides an automatic dust cap assembly turntable machine, which integrates complex multi-station processes and has a high degree of automation, solving the problems of low production efficiency, low production capacity, and weak automation in current production processes.

[0006] (II) Technical Solution

[0007] To achieve the aforementioned goal of integrating complex multi-station processes and achieving a high degree of automation, the present invention provides the following technical solution: an automatic dust cap assembly turntable machine, including a machine base, the top of which is equipped with a speaker assembly and detection device, a feeding device, a dust cap feeding device, and a dust cap dispensing device;

[0008] The speaker assembly and testing device is used for flipping, assembling, and testing the speaker;

[0009] The unloading device includes an unloading pull belt and a lifting and picking clamp, which are used to pick up, unload and transport the assembled speaker;

[0010] The dust cap feeding device includes two sets of dual-compartment rotary feeding mechanisms, two sets of suction cup conveying mechanisms, and one set of dust cap positioning and transfer mechanism. The two sets of dual-compartment rotary feeding mechanisms are located on both sides of one of the suction cup conveying mechanisms, and the dust cap positioning and transfer mechanism is fixed on the machine platform.

[0011] The dust cap dispensing device is used to apply adhesive to the surface of the dust cap so that it can be bonded to the speaker.

[0012] Preferably, the speaker assembly and testing device includes a station rotation drive mechanism, a flip fixture station, a tone gauge removal mechanism, and two lower vision inspection station mechanisms. The station rotation drive mechanism is provided with six flip fixture stations in the circumference. One side of one of the flip fixture stations is provided with a tone gauge removal mechanism. The two lower vision inspection station mechanisms are located inside the machine tool and are aligned with two of the flip fixture stations.

[0013] Preferably, the tone gauge removal mechanism includes a rotating rod, a lifting assembly, a mounting frame, a rotary drive assembly, a pneumatic gripper lifting cylinder, a tone gauge gripper, a pressure ring, a rotating rod drive motor, and a tone gauge removal slide rail. The top of the rotating rod is provided with the lifting assembly, the drive end of the lifting assembly is provided with the mounting frame, and a rotary drive assembly is provided on one side of the mounting frame. The mounting frame is connected to the pressure ring via a guide rod. The pneumatic gripper lifting cylinder is mounted on the mounting frame, and its drive end passes through the mounting frame and is connected to the tone gauge gripper. The drive end of the rotary drive assembly is connected to the top of the tone gauge gripper via a synchronous belt. The rotating rod passes through the machine base and is connected to the rotating rod drive motor via a synchronous belt. A tone gauge removal slide rail is bolted to the machine base near the rotating rod.

[0014] Preferably, the lower vision inspection station mechanism includes a detection mounting bracket, a detection motor, a linear module, a detection camera, and a supplementary light cover. The detection motor is bolted to one side of the detection mounting bracket, the linear module is mounted on the top of the detection motor, the detection camera is mounted on one side of the linear module, and the supplementary light cover is bolted to the top of the detection camera.

[0015] Preferably, the dust cap dispensing device includes a dust cap turntable mechanism, a robotic arm, a dispensing gun, an electronic glue weighing scale, a calibration component, a dispensing needle cleaning mechanism, and two detection and removal mechanisms. The robotic arm is bolted to one side of the dust cap turntable mechanism, and the movable end of the robotic arm is equipped with a dispensing gun. The electronic glue weighing scale and the dispensing needle cleaning mechanism are mounted on the other side of the dust cap turntable mechanism via brackets. A calibration component for calibrating the dispensing needle is fixedly connected to one side of the dispensing needle cleaning mechanism. The two detection and removal mechanisms are located on both sides of the dust cap turntable mechanism.

[0016] Preferably, the dust cap turntable mechanism includes a turntable drive assembly, a dust cap operating turntable, dust cap placement stations, a dispensing lifting and rotating module, an assembly lifting module, and an air passage slip ring. The top of the turntable drive assembly is provided with a dust cap operating turntable, and the surface of the dust cap operating turntable is provided with five dust cap placement stations. The bottom of two of the dust cap placement stations is respectively provided with a dispensing lifting and rotating module and an assembly lifting module. An air passage slip ring is provided at the center of the dust cap operating turntable.

[0017] Preferably, the dust cap placement station includes a movable module, a rotating shaft, a self-rotating shaft, a placement component, and a rotary joint. The movable module is slidably connected to the dust cap operating turntable via a guide rail. A rotating shaft is inserted into the surface of the movable module. The rotating shaft is connected to the self-rotating shaft via a synchronous belt drive. A placement component is provided at the top of the self-rotating shaft, and a rotary joint is provided at the bottom of the self-rotating shaft.

[0018] Preferably, the dispensing lifting and rotating module includes a fixed mounting plate, a rotary motor, a lifting cylinder, a ball spline shaft, and a drive block. The rotary motor is inserted into the top of the fixed mounting plate, and the lifting cylinder is installed at the bottom of the fixed mounting plate. The lifting cylinder passes through the fixed mounting plate and is connected to the ball spline shaft. The rotary motor is connected to the ball spline shaft via a synchronous belt. The ball spline shaft is connected to the drive block via a spline nut, and the drive block can engage with the rotating shaft.

[0019] Preferably, the assembly lifting module includes a lead screw motor, a connecting guide rod, and a lifting plate. The lead screw motor is installed inside the machine base via a mounting rod. The drive end of the lead screw motor is provided with a connecting guide rod. The top end of the connecting guide rod is connected to the lifting plate via bolts. The lifting plate is located directly below the movable module and can lift the movable module.

[0020] Preferably, the detection and removal mechanism includes a removal cylinder, a removal suction cup, a recycling frame, and a removal detection camera. The drive end of the removal cylinder is provided with a removal suction cup. A recycling frame for recycling problematic dust caps is fixedly connected to the surface of the machine near the removal cylinder. The removal detection camera is mounted on a bracket directly above two of the dust cap placement stations.

[0021] (III) Beneficial Effects

[0022] Compared with the prior art, the present invention provides an automatic dust cap assembly turntable machine, which has the following beneficial effects:

[0023] 1. This automatic dust cap assembly turntable machine achieves automatic feeding through a dust cap feeding device. Combined with a horn assembly detection device and a dust cap dispensing device, the entire assembly process can be carried out in a multi-station rotary manner. This improves production efficiency while strengthening and perfecting each process, significantly increasing the yield rate. Furthermore, the addition of multiple detection and recycling / removal mechanisms enhances the machine's control over the assembly process, achieving a high degree of automation. The dust cap dispensing device also employs an electronic glue weighing scale, calibration components, and a dispensing needle cleaning mechanism to improve the accuracy of the glue application process.

[0024] 2. This automatic dust cap assembly turntable machine has the advantages of high automation and integrated multi-station complex processes, and also has a certain degree of expandability as a multi-station car horn assembly device. It plays a key role in improving product quality and yield. At the same time, the overall design adopts a cam linkage mechanism, which makes the machine a purely mechanical structure with stable performance, low failure rate and low cost. It can also be extended to many automated assembly equipment in the automation industry. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the automatic dust cap assembly turntable machine proposed in this invention;

[0026] Figure 2 This is a schematic diagram of the machine base surface mounting structure of the automatic dust cap assembly turntable machine proposed in this invention;

[0027] Figure 3 This is a schematic diagram of the horn assembly and detection device in the automatic dust cap assembly turntable machine proposed in this invention;

[0028] Figure 4 This is a schematic diagram of the dust cap dispensing device in the automatic dust cap assembly turntable machine proposed in this invention;

[0029] Figure 5 The dust cap automatic assembly turntable machine proposed in this invention Figure 4 Enlarged structural diagram at point A in the middle;

[0030] Figure 6 This is a schematic diagram of the detection and removal mechanism of the dust cap dispensing device in the automatic dust cap assembly turntable machine proposed in this invention.

[0031] In the diagram: 1. Machine tool;

[0032] 2. Speaker assembly and testing device; 201. Rotary drive mechanism for the workstation; 202. Tilting fixture workstation; 203. Tone gauge removal mechanism; 2031. Rotating rod; 2032. Lifting assembly; 2033. Mounting bracket; 2034. Rotary drive assembly; 2035. Pneumatic gripper lifting cylinder; 2036. Tone gauge gripper; 2037. Pressure ring; 2038. Rotating rod drive motor; 2039. Tone gauge removal slide; 204. Lower vision inspection workstation mechanism; 2041. Inspection mounting bracket; 2042. Inspection motor; 2043. Linear module; 2044. Inspection camera; 2045. Fill light cover;

[0033] 3. Feeding device; 301. Feeding belt; 302. Lifting and picking clamp;

[0034] 4. Dust cap feeding device; 401. Dual-compartment rotary feeding mechanism; 402. Suction cup handling mechanism; 403. Dust cap positioning and transfer mechanism;

[0035] 5. Dust cap dispensing device; 501. Dust cap turntable mechanism; 5011. Turntable drive assembly; 5012. Dust cap operating turntable; 5013. Dust cap placement station; 50131. Movable module; 50132. Rotating shaft; 50133. Self-rotating shaft; 50134. Placement component; 50135. Rotary joint; 5014. Dispensing lifting and rotating module; 50141. Fixed mounting plate; 50142. Rotary motor; 50143. Lifting cylinder; 50144. Ball bearing... Key shaft; 50145, drive block; 5015, assembly lifting module; 5016, air slip ring; 50151, lead screw motor; 50152, connecting guide rod; 50153, lifting plate; 502, robotic arm; 503, glue gun; 504, glue weighing electronic scale; 505, calibration component; 506, glue needle cleaning mechanism; 507, inspection and removal mechanism; 5071, removal cylinder; 5072, removal suction cup; 5073, recycling box; 5074, removal inspection camera. Detailed Implementation

[0036] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0037] Please see Figure 1-6The automatic dust cap assembly turntable machine includes a machine base 1. The top of the machine base 1 is equipped with a speaker assembly and testing device 2, a feeding device 3, a dust cap feeding device 4, and a dust cap dispensing device 5. The speaker assembly and testing device 2 is used for flipping, assembling, and testing speakers. The speaker assembly and testing device 2 includes a station rotation drive mechanism 201, a flipping fixture station 202, a tone gauge removal mechanism 203, and two lower vision inspection station mechanisms 204. The station rotation drive mechanism 201 has six flipping fixture stations 202 arranged circumferentially. One side of one of the flipping fixture stations 202 is equipped with a tone gauge removal mechanism 203. The two lower vision inspection station mechanisms 204 are located inside the machine base 1 and aligned with two of the flipping fixture stations 202. The lower vision inspection station mechanism 204 includes a detection mounting bracket 2041, a detection motor 2042, and a linear module 2. 043. Inspection camera 2044 and supplementary light cover 2045: Inspection motor 2042 is bolted to one side of inspection mounting bracket 2041. Linear module 2043 is set on the top of inspection motor 2042. Inspection camera 2044 is set on one side of linear module 2043. Supplementary light cover 2045 is bolted to the top of inspection camera 2044. During inspection, inspection motor 2042 drives linear module 2043 to raise inspection camera 2044 to approach the product on flip fixture station 202 for shooting, to check whether the product is in the correct position after flipping. Supplementary light cover 2045 provides supplementary lighting during shooting to improve the inspection and shooting effect of inspection camera 2044. At the same time, the height of inspection camera 2044 can be adjusted up and down by linear module 2043 to adapt to products of different heights, improving the adaptability of the machine.

[0038] The tone gauge removal mechanism 203 includes a rotating rod 2031, a lifting assembly 2032, a mounting frame 2033, a rotary drive assembly 2034, a gripper lifting cylinder 2035, a tone gauge gripper 2036, a pressure ring 2037, a rotating rod drive motor 2038, and a tone gauge removal slide 2039. The lifting assembly 2032 is located at the top of the rotating rod 2031. The mounting frame 2033 is located at the drive end of the lifting assembly 2032. The rotary drive assembly 2034 is located on one side of the mounting frame 2033. The pressure ring 2037 is connected to the mounting frame 2033 via a guide rod. The gripper lifting cylinder 2035 is mounted on the mounting frame 2033. The drive end of the gripper lifting cylinder 2035 passes through the mounting frame 2033 and is connected to the tone gauge gripper 2036. The drive end of the rotary drive assembly 2034 is connected to the tone gauge gripper 2036 via a synchronous belt. The top is connected to a rotating rod 2031 that passes through the machine base 1 and is connected to a rotating rod drive motor 2038 via a synchronous belt. Near the rotating rod 2031, the machine base 1 is connected to a tone gauge removal slide 2039 via bolts. When the tone gauge needs to be removed, the lifting assembly 2032 drives the pressure ring 2037 to press down the horn, and then the pneumatic gripper lifting cylinder 2035 drives the tone gauge gripper 2036 to descend to the tone gauge on the horn. The rotation drive assembly 2034 is activated to make the tone gauge gripper 2036 clamp the tone gauge, and then the pneumatic gripper lifting cylinder 2035 rises to make the tone gauge gripper 2036 pull the tone gauge out of the horn. Then the rotating rod drive motor 2038 drives the rotating rod 2031 to rotate, so that the tone gauge gripper 2036 clamps the tone gauge and rotates to above the tone gauge removal slide 2039, releasing the tone gauge and allowing it to slide away through the tone gauge removal slide 2039.

[0039] See details Figure 2 The speaker assembly and testing device 2 contains a total of six flipping fixture stations 202, which rotate clockwise when viewed from top to bottom. The figure shows that the flipping fixture station 202 is the first station, which is the loading station. An external robotic arm places the speaker onto the flipping fixture station 202. The tone gauge removal mechanism 203 is the second station. The two lower vision inspection station mechanisms 204 are the third and fifth stations. The flipping fixture station 202 sandwiched between the two lower vision inspection station mechanisms 204 is the fourth station, which is the dust cap assembly station. The dust cap is lifted by the assembly lifting module 5015 and installed onto the speaker from below. The last flipping fixture station 202 is the sixth station, which is the unloading station.

[0040] The unloading device 3 includes an unloading pull belt 301 and a lifting and picking clamp 302, which are used to clamp, unload and transport the assembled speaker. The lifting and picking clamp 302 clamps and removes the assembled speaker from the flipping fixture station 202, places it on the unloading pull belt 301, and then transports the speaker out through the unloading pull belt 301.

[0041] The dust cap feeding device 4 includes two sets of dual-compartment rotary feeding mechanisms 401, two sets of suction cup conveying mechanisms 402, and one set of dust cap positioning and transfer mechanism 403. The two sets of dual-compartment rotary feeding mechanisms 401 are arranged on both sides of one of the suction cup conveying mechanisms 402. The dust cap positioning and transfer mechanism 403 is fixed on the machine base 1. By using the dual-compartment rotary feeding mechanism 401 and the two sets of suction cup conveying mechanisms 402 for feeding, the feeding speed of the device can be improved. At the same time, the machine can be fed without stopping.

[0042] The dust cap dispensing device 5 is used to dispense adhesive onto the surface of the dust cap to bond it to the speaker. The dust cap dispensing device 5 includes a dust cap turntable mechanism 501, a robotic arm 502, a dispensing gun 503, an electronic glue weighing scale 504, a calibration component 505, a dispensing needle cleaning mechanism 506, and two detection and removal mechanisms 507. The robotic arm 502 is bolted to one side of the dust cap turntable mechanism 501, and the dispensing gun 503 is mounted at the movable end of the robotic arm 502. The electronic glue weighing scale 504 and the dispensing needle cleaning mechanism 506 are mounted on the other side of the dust cap turntable mechanism 501 via a bracket. At the same location, a calibration component 505 for calibrating the dispensing needle is fixedly connected to one side of the dispensing needle cleaning mechanism 506. Two detection and removal mechanisms 507 are set on both sides of the dust cap turntable mechanism 501. During dispensing, the dispensing gun 503 is driven by the robotic arm 502 to dispense glue onto the dust cap on the dust cap turntable mechanism 501. The glue dispensing volume of the dispensing gun 503 is weighed by the glue weighing electronic scale 504, so as to monitor whether the glue dispensing is stable. The dispensing needle cleaning mechanism 506 can clean the residual glue from the nozzle of the dispensing gun 503. The calibration component 505 is used to calibrate the position of the nozzle of the dispensing gun 503.

[0043] The dust cap turntable mechanism 501 includes a turntable drive assembly 5011, a dust cap operating turntable 5012, dust cap placement stations 5013, a dispensing lifting and rotating module 5014, an assembly lifting module 5015, and an air slip ring 5016. The dust cap operating turntable 5012 is located on the top of the turntable drive assembly 5011. Five dust cap placement stations 5013 are arranged on the surface of the dust cap operating turntable 5012. The turntable drive assembly 5011 drives the dust cap operating turntable 5012 to rotate, causing the dust cap placement stations 5013 on the dust cap operating turntable 5012 to rotate and advance. The process includes inspection, dispensing, and assembly. The bottom of the two dust cap placement stations 5013 is respectively equipped with a dispensing lifting and rotating module 5014 and an assembly lifting module 5015, which are the third dispensing station and the fifth assembly station, respectively. The dust cap placement station 5013 near the dust cap positioning and transfer mechanism 403 is the first dust cap loading station. One of the dust cap placement stations 5013 is located directly below the fourth station in the flipping fixture station 202 to facilitate the assembly of the dust caps onto the horn. An air passage slip ring 5016 is provided at the center of the dust cap operation turntable 5012.

[0044] The dust cap placement station 5013 includes a movable module 50131, a rotating shaft 50132, a self-rotating shaft 50133, a placement component 50134, and a rotary joint 50135. The movable module 50131 is slidably connected to the dust cap operating turntable 5012 via a guide rail, allowing the movable module 50131 to smoothly lift and lower the component. The rotating shaft 50132 is inserted into the surface of the movable module 50131. The rotating shaft 50132 is connected to the self-rotating shaft 50133 via a synchronous belt drive. The placement component 50134 is provided on the top of the self-rotating shaft 50133, and the rotary joint 50135 is provided on the bottom of the self-rotating shaft 50133.

[0045] The dispensing lifting and rotating module 5014 includes a fixed mounting plate 50141, a rotary motor 50142, a lifting cylinder 50143, a ball spline shaft 50144, and a drive block 50145. The rotary motor 50142 is inserted into the top of the fixed mounting plate 50141, and the lifting cylinder 50143 is mounted on the bottom of the fixed mounting plate 50141. The lifting cylinder 50143 passes through the fixed mounting plate 50141 and is connected to the ball spline shaft 50144. The rotary motor 50142 is connected to the ball spline shaft 50144 via a synchronous belt. The ball spline shaft 50144 is connected to the drive block 50145 via a spline nut. The drive block 50145 can engage with the rotating shaft 50142. Next, when the dispensing lifting and rotating module 5014 is running, when the dust cap placement station 5013, carrying the dust cap, reaches above the dispensing lifting and rotating module 5014, the lifting cylinder 50143 drives the ball spline shaft 50144 to lift, causing the drive block 50145 to contact the rotating shaft 50132. Then, the rotating motor 50142 rotates, driving the ball spline shaft 50144 and the rotating shaft 50132 to rotate via the synchronous belt, causing the self-rotating shaft 50133 connected to the rotating shaft 50132 to rotate, thereby causing the dust cap on the placement part 50134 to rotate. At the same time, the dispensing gun 503 is driven by the robotic arm 502 to move above the dust cap and cooperate with the placement part 50134 to complete the dispensing action.

[0046] The assembly lifting module 5015 includes a lead screw motor 50151, a connecting guide rod 50152, and a lifting plate 50153. The lead screw motor 50151 is installed in the machine base 1 via a mounting rod. The drive end of the lead screw motor 50151 is provided with the connecting guide rod 50152. The top end of the connecting guide rod 50152 is connected to the lifting plate 50153 via bolts. The lifting plate 50153 is located directly below the movable module 50131 and can lift the movable module 50131. When the dust cap placement station 5013, carrying the dust cap, reaches above the assembly lifting module 5015, the lead screw motor 50151 drives the lifting plate 50153 to move upward along the connecting guide rod 50152, thereby driving the movable module 50131, carrying the dust cap, to move upward and assemble the dust cap onto the product at the flip fixture station 202, which is located at the dust cap assembly station.

[0047] The detection and removal mechanism 507 includes a removal cylinder 5071, a removal suction cup 5072, a collection box 5073, and a removal detection camera 5074. The removal suction cup 5072 is provided at the drive end of the removal cylinder 5071. A collection box 5073 for collecting problematic dust caps is fixedly connected to the surface of the machine base 1 near the removal cylinder 5071. The removal detection camera 5074 is set above two of the dust cap placement stations 5013 via a bracket. These dust cap placement stations 5013 are the second and fourth detection stations. The second detection station is used to detect whether the dust caps on the dust cap placement station 5013 are placed correctly by the removal detection camera 5074. If the position is off, the dust cap is picked up by the removal suction cup 5072 and thrown into the collection box 5073. The fourth detection station uses the removal detection camera 5074 to detect whether the glue dispensing position is correct. If the position is incorrect, the dust cap is also picked up by the removal suction cup 5072 and thrown into the collection box 5073.

[0048] All electrical components mentioned in this article are connected to an external main controller and 380V AC mains power, and the main controller can be a conventional known device such as a computer that provides control.

[0049] In summary, the automatic dust cap assembly turntable machine, in use, first adds dust caps through the dual-compartment rotary feeding mechanism 401, and then uses the suction cup handling mechanism 402 and the dust cap positioning and transfer mechanism 403 to transport and place the individual dust caps on the first dust cap loading station in the dust cap placement station 5013. The turntable drive assembly 5011 drives the dust cap turntable mechanism 501 to rotate, so that the dust caps sequentially go through the second inspection station, the third glue dispensing station, and the fourth inspection station, and finally reach the fifth assembly station.

[0050] Meanwhile, the speaker is simultaneously placed on the first station of the flipping fixture station 202 by an external robotic arm. The speaker is driven to rotate by the station rotation drive mechanism 201, reaching the second station. The tone gauge is removed by the tone gauge removal mechanism 203, and the speaker flips again to the third station. It is inspected by one of the lower vision inspection station mechanisms 204, and then reaches the fourth station. At this point, the speaker is aligned with the dust cap at the fifth assembly station. The assembly lifting module 5015 lifts the dust cap, allowing it to adhere to the speaker and completing the assembly. Then, the dust cap is placed at the station. 5013 rotates to the first dust cap loading station for loading again, and the assembled speaker rotates again to the fifth station. After being inspected by another lower vision inspection station mechanism 204, it reaches the sixth station, where the lifting and picking fixture 302 clamps and removes the assembled speaker from the flipping fixture station 202 and places it on the unloading pull belt 301. Finally, the speaker is transported out by the unloading pull belt 301, thus completing the assembly of one dust cap. After removing the speaker, the flipping fixture station 202 returns to the first station to load and assemble the next speaker.

[0051] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one" does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0052] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An automatic dust cap assembly turntable machine, comprising a machine base (1), characterized in that: The top of the machine (1) is equipped with a speaker assembly and testing device (2), a feeding device (3), a dust cap feeding device (4), and a dust cap dispensing device (5); The speaker assembly and testing device (2) is used to perform flip assembly and testing on the speaker; The unloading device (3) includes an unloading pull belt (301) and a lifting and picking clamp (302), which are used to pick up and unload the assembled speaker and transport it. The dust cap feeding device (4) includes two sets of double-compartment rotary feeding mechanisms (401), two sets of suction cup conveying mechanisms (402), and a set of dust cap positioning and transfer mechanisms (403). The two sets of double-compartment rotary feeding mechanisms (401) are arranged on both sides of one of the suction cup conveying mechanisms (402), and the dust cap positioning and transfer mechanism (403) is fixed on the machine base (1). The dust cap dispensing device (5) is used to dispense adhesive onto the surface of the dust cap so that it can be bonded to the speaker; The dust cap dispensing device (5) includes a dust cap turntable mechanism (501), a robotic arm (502), a dispensing gun (503), an electronic scale for weighing glue (504), a calibration component (505), a dispensing needle cleaning mechanism (506), and two detection and removal mechanisms (507). The robotic arm (502) is bolted to one side of the dust cap turntable mechanism (501). The dispensing gun (503) is provided at the movable end of the robotic arm (502). The electronic scale for weighing glue (504) and the dispensing needle cleaning mechanism (506) are mounted on the other side of the dust cap turntable mechanism (501) by a bracket. A calibration component (505) for calibrating the dispensing needle is fixedly connected to one side of the dispensing needle cleaning mechanism (506). The two detection and removal mechanisms (507) are located on both sides of the dust cap turntable mechanism (501). The dust cap turntable mechanism (501) includes a turntable drive assembly (5011), a dust cap operation turntable (5012), a dust cap placement station (5013), a dispensing lifting and rotating module (5014), an assembly lifting module (5015), and an air passage slip ring (5016). The top of the turntable drive assembly (5011) is provided with the dust cap operation turntable (5012). The surface of the dust cap operation turntable (5012) is provided with five dust cap placement stations (5013). The bottom of two of the dust cap placement stations (5013) is respectively provided with the dispensing lifting and rotating module (5014) and the assembly lifting module (5015). An air passage slip ring (5016) is provided at the center of the dust cap operation turntable (5012). The dust cap placement station (5013) includes a movable module (50131), a rotating shaft (50132), a self-rotating shaft (50133), a placement component (50134), and a rotary joint (50135). The movable module (50131) is slidably connected to the dust cap operating turntable (5012) via a guide rail. The rotating shaft (50132) is inserted into the surface of the movable module (50131). The rotating shaft (50132) is connected to the self-rotating shaft (50133) via a synchronous belt drive. The top of the self-rotating shaft (50133) is provided with a placement component (50134), and the bottom of the self-rotating shaft (50133) is provided with a rotary joint (50135).

2. The automatic dust cap assembly turntable machine according to claim 1, characterized in that: The speaker assembly and testing device (2) includes a station rotation drive mechanism (201), a flip fixture station (202), a tone gauge removal mechanism (203), and two lower vision inspection station mechanisms (204). The station rotation drive mechanism (201) is provided with six flip fixture stations (202) around its circumference. One side of one of the flip fixture stations (202) is provided with a tone gauge removal mechanism (203). The two lower vision inspection station mechanisms (204) are located inside the machine tool (1) and are aligned with two of the flip fixture stations (202).

3. The automatic dust cap assembly turntable machine according to claim 2, characterized in that: The tone gauge removal mechanism (203) includes a rotating rod (2031), a lifting assembly (2032), a mounting bracket (2033), a rotary drive assembly (2034), a gripper lifting cylinder (2035), a tone gauge gripper (2036), a pressure ring (2037), a rotating rod drive motor (2038), and a tone gauge removal slide (2039). The top of the rotating rod (2031) is provided with the lifting assembly (2032), and the driving end of the lifting assembly (2032) is provided with the mounting bracket (2033). A rotary drive assembly (2034) is provided on one side of the mounting bracket (2033). A pressure ring (2037) is connected via a guide rod. A pneumatic gripper lifting cylinder (2035) is mounted on the mounting frame (2033). The drive end of the pneumatic gripper lifting cylinder (2035) passes through the mounting frame (2033) and is connected to a tone gauge gripper (2036). The drive end of the rotary drive assembly (2034) is connected to the top of the tone gauge gripper (2036) via a synchronous belt. A rotating rod (2031) passes through the machine base (1) and is connected to a rotating rod drive motor (2038) via a synchronous belt. A tone gauge removal slide (2039) is bolted to the machine base (1) near the rotating rod (2031).

4. The automatic dust cap assembly turntable machine according to claim 2, characterized in that: The lower vision inspection station mechanism (204) includes a detection mounting bracket (2041), a detection motor (2042), a linear module (2043), a detection camera (2044), and a supplementary light cover (2045). The detection motor (2042) is bolted to one side of the detection mounting bracket (2041). The linear module (2043) is mounted on the top of the detection motor (2042). The detection camera (2044) is mounted on one side of the linear module (2043). The supplementary light cover (2045) is bolted to the top of the detection camera (2044).

5. The automatic dust cap assembly turntable machine according to claim 1, characterized in that: The dispensing lifting and rotating module (5014) includes a fixed mounting plate (50141), a rotary motor (50142), a lifting cylinder (50143), a ball spline shaft (50144), and a drive block (50145). The rotary motor (50142) is inserted into the top of the fixed mounting plate (50141), and the lifting cylinder (50143) is installed at the bottom of the fixed mounting plate (50141). The lifting cylinder (50143) passes through the fixed mounting plate (50141) and is connected to the ball spline shaft (50144). The rotary motor (50142) is connected to the ball spline shaft (50144) via a synchronous belt. The ball spline shaft (50144) is connected to the drive block (50145) via a spline nut. The drive block (50145) can be engaged with the rotating shaft (50132).

6. The automatic dust cap assembly turntable machine according to claim 1, characterized in that: The assembly lifting module (5015) includes a lead screw motor (50151), a connecting guide rod (50152), and a lifting plate (50153). The lead screw motor (50151) is installed in the machine base (1) by a mounting rod. The driving end of the lead screw motor (50151) is provided with a connecting guide rod (50152). The top end of the connecting guide rod (50152) is connected to the lifting plate (50153) by bolts. The lifting plate (50153) is located directly below the movable module (50131) and can lift the movable module (50131).

7. The automatic dust cap assembly turntable machine according to claim 1, characterized in that: The detection and removal mechanism (507) includes a removal cylinder (5071), a removal suction cup (5072), a recycling frame (5073), and a removal detection camera (5074). The removal cylinder (5071) is equipped with a removal suction cup (5072) at its drive end. The surface of the machine (1) near the removal cylinder (5071) is fixedly connected to a recycling frame (5073) for recycling problematic dust caps. The removal detection camera (5074) is mounted on a bracket directly above two of the dust cap placement stations (5013).

Images