Following curing device

Abstract

The utility model provides a following curing device which comprises a light generator, the center of the light generator is provided with a needle head accommodating hole used for accommodating a printing needle head, and the light generator is provided with a plurality of observation windows along the circumferential direction; the light generator forms a light coverage area and a light shielding area relative to the substrate, and the observation window is arranged in the light shielding area; the light generator is used for emitting curing light, and the curing light is used for curing the photocuring glue liquid flowing out of the printing needle to the surface of the substrate; and the observation camera is used for monitoring the printing state of the printing needle in real time through the observation window and obtaining glue type data. According to the utility model, the plurality of observation windows are arranged on the light generator along the circumferential direction, and the observation windows are arranged in the light shielding area, so that the technical effects of full curing, real-time observation of the condition of the printing needle head and acquisition of glue type data are realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of light curing equipment, especially to a following curing device. BACKGROUND

[0002] The mobile phone middle frame dispensing is an important link in the mobile phone manufacturing process, and the mobile phone middle frame dispensing process refers to using a dispensing device to dispense glue on the mobile phone middle frame to realize the bonding and sealing of the mobile phone middle frame. The main purpose is to reinforce and seal the mobile phone components, prevent the invasion of moisture and humidity, and at the same time, play a heat conducting role to ensure the stable operation of sensitive components. The dispensing technology can not only improve product quality, but also increase brand reputation and reduce after-sales cost.

[0003] The dispensing process has strict requirements in the manufacturing of smart phones. The width and thickness of the dispensing need very high precision. For example, the dispensing process of ultra-narrow frame requires the glue line width to be 0.3-0.45mm, and the glue thickness needs to be greater than 0.2mm. In addition, problems such as glue breakage, glue overflow, and glue collapse cannot occur during the dispensing process to ensure the close fit between the mobile phone frame and the screen module.

[0004] In order to prevent the glue type from collapsing during the dispensing process, the mobile phone middle frame dispensing process often needs a following curing device. The existing following curing device mostly uses a ring-shaped UV lamp. In order to ensure the UV curing effect, the ring-shaped UV lamp needs to cover the entire dispensing head, so that the dispensing head cannot be observed in real time during the work process to obtain the needle condition and glue type data. When glue leakage or blocked needle occurs, the repair cannot be stopped in time.

[0005] A "following UV efficient curing device" is disclosed in Chinese patent documents, with the authorization publication number CN212681594U. The UV efficient curing device includes a conveying frame, a UV curing lamp, a controller, a sensor, and a transverse driving device. The conveying frame is provided with a conveying belt, and the conveying belt is provided with a carrier. The conveying frame is provided with a bracket that spans the conveying belt. The transverse driving device is horizontally arranged on the bracket. The sensor is arranged on the bracket to monitor the movement of the carrier. The controller is connected with the transverse driving device for movement control. The transverse driving device is provided with a sliding seat at the bottom. The UV curing lamp is arranged at the bottom of the sliding seat and points downward. The structure of the patent can ensure that the UV curing lamp moves synchronously with the carrier, but when applied to the dispensing of the mobile phone middle frame, it cannot simultaneously consider the following and visual monitoring of the dispensing head. UTILITY MODEL CONTENTS

[0006] In view of the above-mentioned prior art defects, the purpose of the present application is to provide a following curing device for solving the problem that the following curing device used in the existing mobile phone middle frame dispensing process covers the entire dispensing head, so that the dispensing head cannot be observed in real time during the work process to obtain needle condition and glue type data, and when glue leakage or blocked needle occurs, the problem that maintenance cannot be stopped in time.

[0007] To achieve the above-mentioned purpose and other related purposes, the present application is realized by the technical scheme comprising the following.

[0008] The present application provides a following curing device, comprising:

[0009] The light generator is provided with a needle accommodating hole for accommodating the printing needle in the center, and a plurality of observation windows are arranged circumferentially on the light generator; the light generator forms a light covering area and a light shielding area relative to the substrate, and the observation window is arranged in the light shielding area; the light generator is used for emitting curing light, and the curing light is used for curing the light curing glue liquid flowing out from the printing needle to the surface of the substrate;

[0010] The observation camera is used for monitoring the printing state of the printing needle in real time and obtaining the glue type data through the observation window.

[0011] When the prior application attempts to solve the problem that the existing needle covering type UV curing lamp cannot be observed in real time during the printing process by arranging a plurality of observation windows circumferentially on the light generator, it is found in the application process that the opening of the observation window easily causes the light curing to appear a light curing dead zone during the following curing of the mobile phone middle frame dispensing process, resulting in that the local curing light of the mobile phone middle frame surface cannot be fully irradiated and covered by the curing light, and glue breakage occurs. The applicant found that based on the specific structure of the mobile phone middle frame, the light generator forms a light covering area and a light shielding area relative to the mobile phone middle frame, and the light shielding area refers to the area of the substrate that cannot be irradiated by the light generator. The application creatively arranges the observation window in the light shielding area, effectively solves the technical problem that the local curing light of the mobile phone middle frame surface cannot be fully irradiated and covered by the curing light, and achieves the technical effect of considering sufficient curing and observing the printing needle condition in real time and obtaining the glue type data.

[0012] Preferably, the light generator is provided with a needle light shielding plate, and the printing needle accommodating hole is arranged at the center of the needle light shielding plate. In the prior art, the UV light scattered by the UV curing lamp irradiates the printing needle when curing the curing light of the mobile phone middle frame surface, and the light curing glue liquid in the printing needle is cured, resulting in needle blockage. The present application sets a needle light shielding plate between the printing needle and the light generator, which is used for absorbing the UV light scattered by the UV lamp to prevent the light curing glue liquid in the needle from being cured and causing needle blockage.

[0013] Preferably, the needle light shield is arranged in the light coverage area of the light generator, the light blocking area itself does not emit curing light, and an observation window needs to be arranged.

[0014] Preferably, the bottom surface of the needle light shield is provided with a light absorption groove, which is at least a stepped groove. The stepped groove can form multi-stage reflection of scattered curing light, further improve the light absorption effect, and avoid the curing of the light-cured glue liquid in the printing needle, thereby causing the printing needle to be blocked.

[0015] Preferably, the light generator is further provided with an airflow cooling structure for cooling the light generator by airflow. The UV curing lamp generates a large amount of heat during operation. In the prior art, a large-volume cooling fan is connected to the UV curing lamp to achieve the effect of heat dissipation. The application creatively adopts an airflow cooling structure to replace the traditional fan cooling, thereby reducing the volume and making the structure of the curing device more compact and more widely applicable.

[0016] Preferably, the airflow cooling structure comprises a plurality of airflow channels arranged in the circumferential direction of the light generator, and the airflow channels are provided with air path interfaces for connecting an air supply device.

[0017] Preferably, the light generator is of a ring structure, and the substrate is a mobile phone middle frame.

[0018] Preferably, the cross section of the observation window is rectangular, and two diagonal lines of the observation window are parallel to the long side and the short side of the mobile phone middle frame, respectively. When the position of the observation window is arranged according to the above structure, the observation window is located in the light blocking area, effectively solving the technical problem that the local curing light of the curing glue liquid on the surface of the mobile phone middle frame cannot be fully irradiated and covered by the curing light, thereby realizing the technical effects of fully curing and real-time observing the printing needle condition and obtaining the glue type data.

[0019] Preferably, the light generator is further provided with a driving device for driving the light generator to move relative to the printing needle. When the observation camera monitors that the printing needle is blocked or other abnormal phenomena in real time through the observation window, the driving device can be used to drive the light generator to move relative to the printing needle, so that the staff can timely dredge the printing needle and improve the product qualification rate.

[0020] Preferably, the light generator is a ring-shaped UV curing lamp, the curing light is UV light, and the light-cured glue liquid is UV glue.

[0021] As described above, the following beneficial effects are achieved by the following curing device:

[0022] (1) by setting several observation windows in the circumferential direction of the light generator, and setting the observation windows in the light shielding area, effectively solve the technical problem that the local curing light of the mobile phone frame surface cannot be fully irradiated and covered by the curing light, so as to realize the technical effects of fully curing and real-time observation of the printing needle head condition and obtaining the glue type data;

[0023] (2) by setting a needle light shield plate between the printing needle head and the light generator, the needle light shield plate is used to absorb the UV light scattered by the UV lamp, prevent the light curing glue in the needle from being cured and cause the needle to be blocked;

[0024] (3) adopt air flow heat dissipation structure to cool the light generator, replace the traditional fan cooling with air flow cooling, reduce the volume, make the structure of the follow-up curing device more compact, and the application is more widely. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 shows the perspective structure diagram of the follow-up curing device.

[0026] Figure 2 shows the top view of Figure 1 .

[0027] Figure 3 shows the side view of Figure 1 .

[0028] Figure 4 shows the assembly structure diagram of the light generator and the light shield plate.

[0029] Figure 5 shows the structure diagram of Figure 4 from another angle.

[0030] Figure 6 shows the structure diagram of the light generator.

[0031] Figure 7 shows the perspective structure diagram of the light shield plate.

[0032] Figure 8 shows the bottom view of Figure 7 .

[0033] Figure 9 shows the sectional view of A-A direction in Figure 8 .

[0034] Figure 10 shows the enlarged view of B in Figure 9 .

[0035] Explanation of reference numerals: light generator 1, needle accommodating hole 11, observation window 12, light shield 13, light absorption groove 131, air path interface 14, printing needle 2, base plate 3, observation camera 4. DETAILED DESCRIPTION

[0036] The embodiments of the present application will be described in detail by specific embodiments, and those skilled in the art can easily understand other advantages and effects of the present application from the content disclosed in the specification.

[0037] Please refer to Figures 1 to 10 . It should be understood that the structure, proportion, size, etc. shown in the drawings attached to the specification are only used to cooperate with the content disclosed in the specification for those skilled in the art to understand and read, and are not used to limit the limiting conditions that the present application can be implemented, so they do not have technical significance. Any modification of the structure, change of the proportion relationship or adjustment of the size, without affecting the effects and purposes that the present application can produce, should still fall within the scope of the technical content disclosed by the present application. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" in the specification are only for the convenience of clear description, and are not used to limit the scope of the present application, the change or adjustment of the relative relationship, without substantially changing the technical content, is also regarded as the scope of the present application.

[0038] As shown in Figure 1 , Figure 2 , Figure 3 and Figure 4 , the present application provides a following curing device, comprising:

[0039] The light generator 1 is provided with a needle accommodating hole 11 in the center for accommodating the printing needle 2, and the light generator is provided with a needle light shield 13 inside, in combination Figure 9 , the printing needle accommodating hole is opened at the center of the needle light shield, and the light generator is provided with a plurality of observation windows 12 in the circumferential direction; the light generator forms a light coverage area and a light shielding area relative to the base plate 3, and the observation window is arranged in the light shielding area; the light shielding area refers to the area where the light generator cannot irradiate the base plate; the light generator is used to emit curing light, and the curing light is used to cure the light-cured glue liquid flowing out from the printing needle to the surface of the base plate;

[0040] The observation camera 4 is used to monitor the printing state of the printing needle in real time and obtain the glue type data through the observation window.

[0041] As shown in Figure 5 and Figure 7 , the bottom surface of the needle light shield is provided with a light absorption groove 131, as shown in Figure 8 , Figure 9and Figure 10 As shown, the light absorption groove is a multi-stage stepped groove, which can form multi-stage reflection on the scattered curing light, further improve the light absorption effect, and avoid the curing of the light-cured glue liquid in the printing needle to cause the needle to be blocked. The light generator is also provided with an airflow cooling structure for cooling the light generator by airflow. The airflow cooling structure includes a plurality of airflow channels arranged along the circumference of the light generator, and the airflow channels are provided with two air path interfaces 14 as shown. Figure 4 The air path interface is used to connect the air supply device.

[0042] As shown in Figure 2 The light generator is a ring structure, the light generator is a ring-shaped UV curing lamp, the curing light is UV light, and the light-cured glue liquid is UV glue.

[0043] In combination with Figure 6 The substrate is a mobile phone middle frame, the cross section of the observation window is rectangular, and the two diagonal lines of the observation window and the long side and short side of the mobile phone middle frame are parallel, so that the observation window is located in the light shielding area. The light shielding area refers to the area of the substrate that is not irradiated by the light generator.

[0044] The light generator is also provided with a driving device for driving the light generator to move relative to the printing needle. The driving device can be a telescopic air cylinder or other driving member that can drive the light generator to move relative to the printing needle. The specific structure is based on the prior art, and will not be limited here.

[0045] The working principle of the utility model is as follows:

[0046] The printing mechanism is used to print the light-cured glue liquid on the surface of the substrate, and the light generator is used to emit curing light to cure the light-cured glue liquid flowing out from the printing mechanism to the surface of the substrate.

[0047] During printing, the observation camera is used to observe the printing state of the printing needle in real time through the observation window and obtain the glue type data.

[0048] When the printing needle is blocked or has material hanging, stop printing, and use the driving device to drive the light generator to move relative to the printing needle, and use the glue cleaning mechanism to clean the printing needle.

[0049] In summary, the utility model discloses a plurality of observation windows are arranged along the circumference in the light generator, and the observation window is arranged in the light shielding area, effectively solve the technical problem that the curing light of the curing glue liquid on the surface of the mobile phone middle frame cannot be fully irradiated and covered, thereby realizing the technical effect of giving consideration to full curing and real-time observation of the printing needle condition and acquisition of the glue type data, the needle light shield plate is arranged between the printing needle and the light generator, the needle light shield plate is used to absorb the UV light scattered by the UV lamp, prevents the curing of the curing glue liquid in the needle and causes the needle to be blocked, the airflow cooling structure is used to cool the light generator, the traditional fan cooling is replaced by airflow cooling, the volume is reduced, the structure of the curing device is more compact, and the application is wider.

[0050] The above embodiment only exemplarily illustrates the principle and effect of the utility model, and is not used to limit the utility model. Any person skilled in the art can modify or change the above embodiment without departing from the spirit and scope of the utility model. Therefore, all equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought disclosed by the utility model should be covered by the claims of the utility model.

Claims

1. A follow-up curing device, characterized by, The application relates to a light generator (1) which is provided with a needle accommodating hole (11) in the center of the light generator for accommodating a printing needle (2), a plurality of observation windows (12) are arranged in the circumference of the light generator, the light generator is provided with a light covering area and a light shielding area relative to a substrate (3), the observation windows are arranged in the light shielding area, the light generator is used for emitting curing light which is used for curing light-curing glue liquid flowing out from the printing needle to the surface of the substrate, and an observation camera (4) is used for monitoring the printing state of the printing needle in real time through the observation windows and acquiring glue type data. The light generator is provided with a needle light shielding plate (13), and the printing needle accommodating hole is arranged at the center of the needle light shielding plate. The needle light shielding plate is arranged in the light covering area of the light generator.

2. The follow-up curing device according to claim 1, characterized in that: The bottom surface of the needle light shielding plate is provided with a light absorption groove (131), and the light absorption groove is at least a stepped groove.

3. The follow-up curing device according to claim 2, characterized in that: The light generator is also provided with an air flow heat dissipation structure which is used for cooling the light generator through air flow.

4. The follow-up curing device according to claim 2, characterized in that: The air flow heat dissipation structure comprises a plurality of air flow channels which are arranged in the circumference of the light generator, and the air flow channels are provided with air path interfaces (14) which are used for connecting air supply devices.

5. The follow-up curing device according to claim 1, characterized in that: The light generator is a ring structure, and the substrate is a mobile phone middle frame.

6. The follow-up curing device according to claim 5, characterized in that: The cross section of the observation window is rectangular, and two diagonal lines of the observation window are parallel to the long side and the short side of the mobile phone middle frame.

7. The follow-up curing device according to claim 1, characterized in that: The light generator is also provided with a driving device which is used for driving the light generator to move relative to the printing needle.

8. The follow-up curing device according to claim 6, characterized in that: The light generator is a ring-shaped UV curing lamp, the curing light is UV light, and the light-curing glue liquid is UV glue.

9. The follow-up curing device according to claim 1, characterized in that: ​ 10. A follow-up curing device according to any one of claims 1 to 9, characterized in that: ​

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