A fully automatic magnetic core threading, glue dispensing and drying machine

Abstract

This invention discloses a fully automatic magnetic core threading, glue dispensing, and drying machine, comprising a core and coil assembly unit, a glue dispensing and fixing unit, a tunnel oven unit, and a control system. Through directional feeding using a vibrating plate, a high-precision glue dispenser, and a fully enclosed oven, the machine achieves automated assembly, glue dispensing, and drying of the core and coil. An integrated photoelectric sensor detects core length, with a glue dispensing error of ±0.3mg and oven temperature fluctuations of ±10%. This reduces the defective product rate to 3.5%, increasing production efficiency by 30%. This invention is suitable for the mass production of electronic components such as inductors and transformers.

Description

Technical Field

[0001] The present invention relates to the technical field of automated manufacturing of electronic components, and in particular to a fully automatic magnetic core threading, glue dispensing and drying all-in-one machine integrating the functions of magnetic core and coil assembly, glue dispensing fixation and drying and curing. Background Art

[0002] The fully automatic magnetic core threading, glue dispensing, and drying machine integrates core threading, glue fixation, and drying and curing functions. It is primarily used in the production of electronic components such as inductors and transformers. Through automated processes, this equipment enables precise assembly of magnetic cores and coils, glue application, and rapid curing, improving production efficiency and product consistency.

[0003] Traditional core and coil assembly, glue dispensing, and drying processes rely on manual or semi-automatic equipment, resulting in low manual efficiency, insufficient glue dispensing precision, fragmented equipment, and high defective product rates. Furthermore, existing equipment lacks real-time core length detection, dynamic glue dispensing parameter adjustment, and precise temperature control, resulting in product consistency and reliability that struggle to meet the demands of high-end electronic components. Summary of the Invention

[0004] The purpose of this section is to summarize some aspects of the embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract and title of this application to avoid obscuring the purpose of this section, the abstract and the title of the invention, and such simplifications or omissions should not be used to limit the scope of the present invention.

[0005] In view of the above existing problems, the present invention is proposed.

[0006] Therefore, the purpose of the present invention is to provide a fully automatic magnetic core threading, glue dispensing and drying machine, which solves the problem that existing equipment cannot realize real-time detection of magnetic core length, dynamic adjustment of glue dispensing parameters and precise temperature control, resulting in product consistency and reliability that are difficult to meet the requirements of high-end electronic components.

[0007] In order to solve the above technical problems, the present invention provides the following technical solutions: a fully automatic magnetic core threading, glue dispensing and drying machine, including a magnetic core and coil assembly unit: composed of a magnetic core vibration disk, a coil vibration disk, a magnetic core robot arm, a coil robot arm, an assembly sensor, and a rotary assembly platform. The rotary assembly platform is provided with a workstation for cyclically assembling magnetic cores and coils; a glue dispensing fixing unit: including a glue dispensing robot arm, a high-precision glue dispenser, an air pressure regulating device, and a conveyor belt. The glue dispensing robot arm controls the air pressure, time and back suction parameters through the instrument system, and the glue dispensing amount error is ±0.3mg; a tunnel oven unit: composed of a fully enclosed oven, a temperature control system, and an outlet receiving plate. The temperature fluctuation of the fully enclosed oven is controlled within the range of ±10%; a rejection mechanism: when the assembly sensor detects that the magnetic core length is abnormal, the equipment stops and triggers a manual rejection signal; a control system: an integrated computer control desktop is used to adjust the assembly speed, glue dispensing parameters and oven temperature.

[0008] As a preferred solution of the present invention, the assembly sensor is a photoelectric length detection sensor, which is used to detect in real time whether the length of the magnetic core is 16 mm.

[0009] As a preferred solution described in the present invention, a vibration motor is provided at the bottom of the magnetic core vibration disk and the coil vibration disk, the magnetic core and the coil are controlled to climb along the spiral track by the vibration frequency, and the directional arrangement is achieved by the pin positioning.

[0010] As a preferred solution described in the present invention, the glue dispenser is a piezoelectric glue dispenser, and the glue dispensing amount is controlled in a closed loop by a PID algorithm of an air pressure regulating device.

[0011] As a preferred solution of the present invention, a hot air circulation module is provided inside the fully enclosed oven, the temperature is adjusted in real time by a PLC controller, and the temperature data is fed back through a thermocouple.

[0012] As a preferred solution described in the present invention, the magnetic core vibration disk is driven by the vibration motor, the magnetic core climbs along the spiral track and is oriented and arranged through the pin positioning, the magnetic core robotic arm grabs the magnetic core to the rotary assembly platform station, and the assembly sensor detects the length of the magnetic core. If there is an abnormality, the machine will stop and alarm.

[0013] As a preferred solution described in the present invention, the coil vibration disk is driven by the vibration motor, the coil climbs along the spiral track and is oriented and arranged through the pin positioning, and the coil robot grabs the coil to the rotary assembly platform station.

[0014] As a preferred solution described in the present invention, the air pressure regulating device is configured inside the high-precision dispenser and controlled by the instrument system. After the dispensing step is completed, the dispensing robot arm places the workpiece onto the conveyor belt to proceed to the next step.

[0015] Beneficial effects of the present invention:

[0016] Improved efficiency: assembly speed increased by 30%, with comprehensive production capacity reaching 1,800 pieces per hour;

[0017] Cost reduction: labor costs reduced by 10% and energy consumption reduced by 15%;

[0018] Quality optimization: The defective product rate was reduced from 5% to 3.5%, and the dispensing accuracy was improved by 300%;

[0019] Integrated design: occupies 40% less space and supports one-button start and stop operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be derived from these drawings without inventive effort. Among them:

[0021] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0022] Figure 2 This is a structural diagram of the magnetic core and coil assembly unit of the present invention.

[0023] Figure 3 This is a schematic diagram of the structure of the dispensing and fixing unit of the present invention.

[0024] Figure 4 This is a schematic diagram of the tunnel oven unit structure of the present invention.

[0025] Figure 5 Schematic diagram of the control system structure of the present invention. DETAILED DESCRIPTION

[0026] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0027] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0028] Secondly, the term "one embodiment" or "embodiment" herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in various places throughout this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive of other embodiments.

[0029] Furthermore, the present invention is described in detail with reference to schematic diagrams. For ease of illustration, when describing the embodiments of the present invention, cross-sectional views illustrating device structures may be partially enlarged and not to scale. Furthermore, the schematic diagrams are merely illustrative and should not limit the scope of protection of the present invention. Furthermore, in actual production, the three-dimensional dimensions of length, width, and depth should be included.

[0030] Example 1

[0031] Reference Figure 1 , which is the first embodiment of the present invention, provides a fully automatic magnetic core threading, glue dispensing and drying integrated machine, including a magnetic core and coil assembly unit: composed of a magnetic core vibration plate 101, a coil vibration plate 102, a magnetic core robot arm 201, a coil robot arm 202, an assembly sensor 301, and a rotary assembly platform 401. The rotary assembly platform is provided with multiple stations for cyclically assembling magnetic cores and coils; a glue dispensing and fixing unit: including a glue dispensing robot arm 501, a high-precision glue dispenser 502, an air pressure regulating device 503, a conveyor belt 601, and a glue dispenser. The robotic arm 501 controls air pressure, time, and back-suction parameters through the instrumentation system 504, achieving a dispensing error of ±0.3mg. The tunnel oven unit consists of a fully enclosed oven 701, a temperature control system 702, and an outlet receiving tray 703. The temperature fluctuation of the fully enclosed oven 701 is controlled within a range of ±10%. The rejection mechanism shuts down and triggers a manual rejection signal when the assembly sensor 301 detects an abnormal core length. The control system integrates a computer control desktop 801 for adjusting assembly speed, dispensing parameters, and oven temperature.

[0032] Among them, the assembly sensor 301 is a photoelectric length detection sensor, which is used to detect in real time whether the length of the magnetic core is 16 mm; a vibration motor 103 is provided at the bottom of the magnetic core vibration disk 101 and the coil vibration disk 102, which controls the magnetic core and coil to climb along the spiral track through the vibration frequency, and realizes directional arrangement through the pin positioning 104; the dispenser 502 is a piezoelectric dispenser, which realizes closed-loop control of the glue dispensing amount through the PID algorithm of the air pressure regulating device 503; a hot air circulation module 704 is provided inside the fully enclosed oven 701, and the temperature is adjusted in real time by the PLC controller 705, and the temperature data is fed back through the thermocouple 706.

[0033] During use, the core vibration disk 101 is driven by the vibration motor 103, the core climbs along the spiral track and is oriented by the pin position 104, the core robot arm 201 grabs the core to the rotary assembly platform 401 station, the assembly sensor 301 detects the length of the core, and if it is abnormal, the machine will stop and alarm; the coil vibration disk 102 is driven by the vibration motor 103, the coil climbs along the spiral track and is oriented by the pin position 104, the coil robot arm 202 grabs the coil to the rotary assembly platform 401 station; the air pressure regulating device 503 is configured inside the high-precision dispenser 502 and is controlled by the instrument system 504. After the dispensing step is completed, the dispensing robot arm 501 places the workpiece The conveyor belt 601 enters the next step; during use, the operator sets the air pressure to 0.2MPa, the dispensing time to 50ms, and the suction force to 3N through the instrument system 504, and the dispensing device 502 dispenses glue to the four points of the magnetic core coil simultaneously, and the glue amount error is ≤0.3mg; during use, the PLC controller 705 sets the drying temperature to 80℃, the thermocouple 706 monitors the temperature in real time, and the hot air circulation module 704 controls the temperature fluctuation within ±8℃, and the curing time is 3 minutes; during use, the PLC controller 705 sets the drying temperature to 80℃, the thermocouple 706 monitors the temperature in real time, and the hot air circulation module 704 controls the temperature fluctuation within ±8℃, and the curing time is 3 minutes.

[0034] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A fully automatic magnetic core threading, glue dispensing and drying machine, characterized in that: include: The magnetic core and coil assembly unit is composed of a magnetic core vibration disk (101), a coil vibration disk (102), a magnetic core mechanical arm (201), a coil mechanical arm (202), an assembly sensor (301), and a rotary assembly platform (401). The rotary assembly platform (401) is provided with a plurality of workstations for cyclically assembling the magnetic core and the coil; the dispensing fixing unit is composed of a dispensing mechanical arm (501), a dispensing device (502), an air pressure regulating device (503), and a conveyor belt (601). The dispensing mechanical arm (501) is connected to the instrument system ( 504) controls the air pressure, time and back suction parameters, and the dispensing amount error is ±0.3mg; the tunnel oven unit: consists of a fully enclosed oven (701), a temperature control system (702), and an outlet receiving plate (703), and the temperature fluctuation of the fully enclosed oven (701) is controlled within the range of ±10%; the rejection mechanism: when the assembly sensor (301) detects that the core length is abnormal, the equipment stops and triggers a manual rejection signal; the control system: an integrated computer control desktop (801) is used to adjust the assembly speed, dispensing parameters and oven temperature; The bottom of the magnetic core vibration disk (101) and the bottom of the coil vibration disk (102) are both provided with a vibration motor (103), which controls the magnetic core and the coil to climb along the spiral track through the vibration frequency, and realizes directional arrangement through the pin positioning (104); The magnetic core vibration disk (101) is driven by the vibration motor (103), the magnetic core climbs along the spiral track and is oriented and arranged by the pin clamping position (104), the magnetic core mechanical arm (201) grabs the magnetic core to the rotary assembly platform (401) station, and the assembly sensor (301) detects the length of the magnetic core. If there is an abnormality, the machine stops and an alarm is sounded; The coil vibration disk (102) is driven by the vibration motor (103), the coil climbs along the spiral track and is oriented and arranged by the pin clamping position (104), and the coil robot (202) grabs the coil to the rotary assembly platform (401) station.

2. The fully automatic magnetic core threading, glue dispensing and drying machine according to claim 1, characterized in that: The assembly sensor (301) is a photoelectric length detection sensor, used for detecting in real time whether the length of the magnetic core is 16 mm.

3. The fully automatic magnetic core threading, glue dispensing and drying machine according to claim 2, characterized in that: The glue dispenser (502) is a piezoelectric glue dispenser, and the glue dispensing amount is controlled in a closed loop by the PID algorithm of the air pressure regulating device (503).

4. The fully automatic magnetic core threading, glue dispensing and drying machine according to claim 3, characterized in that: A hot air circulation module (704) is provided inside the fully enclosed oven (701), and the temperature is adjusted in real time by a PLC controller (705), and temperature data is fed back via a thermocouple (706).

5. The fully automatic magnetic core threading, glue dispensing and drying machine according to claim 4, characterized in that: The air pressure regulating device (503) is arranged inside the glue dispenser (502) and is controlled by the instrument system (504). After the glue dispensing step is completed, the glue dispensing robot arm (501) places the workpiece onto the conveyor belt (601) to proceed to the next step.

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