Photo-curing device of UV (ultraviolet) dispensing machine

Abstract

The invention relates to the technical field of UV dispensing and curing, in particular to a photocuring device of a UV dispensing machine, which comprises a UV dispensing machine body, a mounting frame is fixedly mounted on the UV dispensing machine body, a high-speed airflow guide mechanism is arranged on the inner side of the mounting frame, and the high-speed airflow guide mechanism comprises a curing lamp box, a mounting square cover and an arched plate; the photocuring device has the beneficial effects that the high-speed airflow guiding mechanism is mounted on the UV dispensing machine body through the mounting frame to assist the dispensing mechanism in rapid curing, the mounting square cover is matched with the airflow dividing assembly to gather and guide external airflow and control the external airflow to form a plurality of small unit gases to flow in, the eddy current loss is effectively reduced, and the service life of the UV dispensing machine is prolonged. Meanwhile, the effect of blocking dust in external airflow is achieved; through the arrangement of the arch-shaped plate, illumination heat dissipation is accelerated while light gathering lamps of the curing lamp set are achieved, UV glue can be more effectively cured, and meanwhile the problem that curing is not uniform due to heat accumulation is solved.

Description

Technical Field

[0001] The invention relates to the technical field of UV glue dispensing and curing, in particular to a light curing device of a UV glue dispensing machine. Background Art

[0002] UV curing technology triggers the polymerization reaction of photosensitive materials by emitting UV light, thereby achieving the curing of the materials. The light curing device of the UV dispensing machine integrates the dispensing and curing functions, and can complete a large amount of work in a short time without waiting for the glue to dry or using additional curing equipment. This enables the glue on the product to achieve a certain curing effect, significantly improving production efficiency.

[0003] In the prior art, there is a UV glue light box and UV glue curing device with publication number CN219616005U. The UV glue light box is used to cure the UV glue on the solder strip to fix the solder strip on the battery cell. It includes a shell and at least two UV lamp units arranged side by side. The UV lamp unit can be detachably fixedly installed in the shell and the distance between two adjacent UV lamp units can be adjusted. The UV lamp unit is configured to cure the UV glue on the corresponding solder strip on the battery cell. The above-mentioned UV glue light box is achieved by detachably installing at least two UV lamp units in the shell, and the distance between two adjacent UV lamp units is set to be adjustable. By adjusting the installation position of the UV lamp unit in the shell, the UV glue light box can be applied to different types of battery cells, thereby improving the compatibility of the UV glue light box and reducing the equipment cost.

[0004] In order to solve the problem that the heat generated by the UV lamp is difficult to release, the above document adopts the method of installing a heat sink to solve the problem.

[0005] However, during the UV curing process, the fan blows high-speed airflow directly into the light box, and the airflow cannot evenly dissipate the heat generated by the UV lamp, causing heat to accumulate in a certain position, affecting the UV glue curing effect.

[0006] Therefore, the present invention proposes a light-curing device for a UV glue dispensing machine to solve the problem that heat is difficult to release evenly during the existing UV curing process. The heat generated by the UV lamp can be dissipated more efficiently and evenly, thereby improving the curing effect and production efficiency of the UV glue. Summary of the invention

[0007] The object of the present invention is to provide a light curing device for a UV glue dispensing machine to solve the problems raised in the above background technology.

[0008] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a light-curing device of a UV dispensing machine, comprising a UV dispensing machine body, a mounting frame fixedly mounted on the UV dispensing machine body, a high-speed airflow guiding mechanism arranged on the inner side of the mounting frame, the high-speed airflow guiding mechanism comprising a curing light box, a mounting square cover and an arched plate, mounting ears are fixedly connected to the outer surfaces of both sides of the curing light box, the mounting ears are fixedly connected to the mounting frame by bolts, exhaust ports are provided on the inner walls on opposite sides of the curing light box, a lighting groove is provided on the inner cavity bottom surface of the mounting ears, a curing light group is arranged directly above the lighting groove, the mounting square cover is fixedly mounted on the upper top surface of the curing light box, an airflow dividing assembly is arranged on the inner side of the mounting square cover, and the arched plate is arranged in the inner cavity of the curing light box.

[0009] Preferably, the airflow division assembly includes a circular cover plate, an annular flow focusing hopper plate and a double-layer airflow division cover hopper, the annular flow focusing hopper plate can be detachably installed on the inner surface of the mounting square cover, the circular cover plate is an annular cover body structure, the inner ring surface of the circular cover plate is fixedly connected to a convex ring plate, and the inner surface of the convex ring plate is fixedly connected to the outer surface of the annular flow focusing hopper plate.

[0010] Preferably, a reinforcing rib plate is fixedly installed between the annular focusing scoop plate and the inner side of the mounting ear, the reinforcing rib plates are provided in multiple groups and are arranged in a circular array about the central axis of the annular focusing scoop plate, and a connecting seat is fixedly installed on the inner surface of the annular focusing scoop plate.

[0011] Preferably, the double-layer airflow dividing cover is fixedly connected to the inner annular surface of the circular cover plate through a connecting seat, and the double-layer airflow dividing cover is a frustum structure that is wide at the top and narrow at the bottom, and dividing holes are evenly opened on the inner wall of the double-layer airflow dividing cover.

[0012] Preferably, the double-layer airflow dividing hood is configured as a double-layer structure, a filling cavity is provided in the interlayer of the double-layer airflow dividing hood, and the interior of the filling cavity is filled with sound-absorbing cotton.

[0013] Preferably, the lower end of the double-layer airflow dividing hood is arranged as a plane, the center of the plane is rotatably connected with a fan group, and the fan group is arranged at the center position of the circular cover plate.

[0014] Preferably, the arch plate is an arch plate-like structure, the lower opening of the arch plate is adapted to the illumination slot, the lower end of the arch plate is fixedly connected to the bottom surface of the inner cavity of the curing light box, and a central air inlet slot is provided on the inner wall of the upper end of the arch plate.

[0015] Preferably, the inner ring surface of the arch plate is set as an inner concave surface, and a heat conducting strip is fixedly installed on the inner concave surface; the outer ring surface of the arch plate is set as an outer convex surface, and a heat dissipating strip is fixedly installed on the outer convex surface.

[0016] Preferably, an air guide slot plate is fixedly mounted on the inner surface of the central air inlet slot, and an extended air plate is fixedly connected to the lower end of the air guide slot plate.

[0017] Preferably, guide side grooves are respectively provided on the inner walls on both sides of the extended wind plate, and an arc-shaped wing plate is fixedly connected to the lower inner wall of the guide side groove.

[0018] Compared with the prior art, the present invention has the following beneficial effects: The present invention proposes a light-curing device for a UV glue dispensing machine. The light-curing device installs a high-speed airflow guiding mechanism on the UV glue dispensing machine body through a mounting frame, and assists the glue dispensing mechanism to perform rapid curing. The mounting square cover cooperates with the airflow dividing component to guide the external airflow to converge and control it to form a plurality of small unit gas inflows, which effectively reduces eddy current losses and plays a role in blocking dust in the external airflow. Through the arrangement of the arch plate, the curing lamp group can focus the light while accelerating the dissipation of light heat, which can more effectively cure the UV glue and reduce the problem of uneven curing caused by heat accumulation. BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 It is a schematic diagram of the three-dimensional structure of the UV dispensing machine body of the present invention; Figure 2 This is a schematic diagram of the front structure of the UV dispensing machine body of the present invention; Figure 3 It is a schematic diagram of the three-dimensional structure of the high-speed airflow guiding mechanism of the present invention; Figure 4 It is a bottom view structural schematic diagram of the high-speed airflow guiding mechanism of the present invention; Figure 5 It is a schematic diagram of the disassembled structure of the high-speed airflow guiding mechanism of the present invention; Figure 6 It is a schematic diagram of the side cross-sectional structure of the high-speed airflow guiding mechanism and the curing lamp assembly of the present invention; Figure 7 It is a schematic diagram of the side view distribution structure of the arch plate and the curing lamp group of the present invention; Figure 8 For the present invention Figure 7 A schematic diagram of the enlarged structure at point A; Fig. 9 For the present invention Figure 7 A schematic diagram of the enlarged structure at B; Fig.10 This is a schematic diagram of the cross-sectional structure of the connection between the square cover and the airflow dividing assembly of the present invention; Fig.11 For the present invention Fig.10 A schematic diagram of the enlarged structure at C; Fig.12It is a schematic diagram of the disassembled structure of the annular flow focusing bucket plate and the double-layer air flow dividing hood bucket of the present invention; Fig.13 It is a schematic diagram of the half-section structure of the double-layer airflow dividing hood of the present invention.

[0019] In the figure: 1. UV dispensing machine body; 11. Mounting frame; 2. High-speed airflow guiding mechanism; 3. Curing lamp group; 21. Curing lamp box; 210. Illumination slot; 211. Mounting ear; 212. Exhaust vent; 22. Mounting square cover; 221. Circular cover plate; 222. Annular focusing bucket plate; 2221. Reinforcement rib plate; 2222. Connecting seat; 223. Double-layer airflow dividing bucket; 2230. Filling cavity; 2231. Silencing cotton; 224. Fan group; 23. Arched plate; 231. Heat conducting strip; 232. Heat dissipating strip; 230. Central air inlet slot; 233. Air guide slot plate; 2331. Extended air plate; 2330. Guide side slot; 2332. Arc wing plate; 24. Strip hinge seat; 241. Shaft; 242. Swing plate; 243. Abutment spring. DETAILED DESCRIPTION

[0020] In order to make the purpose and technical solution of the present invention clearly and completely described, and the advantages more clearly understood, the embodiments of the present invention are further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present invention, rather than all of the embodiments, and are only used to explain the embodiments of the present invention, and are not used to limit the embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] For example, see Figure 1 - Fig.13 The present invention provides a technical solution: a light curing device of a UV glue dispenser, comprising a UV glue dispenser body 1, a mounting frame 11 is fixedly mounted on the UV glue dispenser body 1, a high-speed airflow guiding mechanism 2 is arranged on the inner side of the mounting frame 11, the high-speed airflow guiding mechanism 2 comprises a curing light box 21, a mounting square cover 22 and an arch plate 23, mounting ears 211 are fixedly connected to the outer surfaces of both sides of the curing light box 21, the mounting ears 211 are fixedly connected to the mounting frame 11 by bolts, exhaust ports 212 are arranged on the inner walls on opposite sides of the curing light box 21, a lighting groove 210 is arranged on the inner cavity bottom surface of the mounting ears 211, a curing light group 3 is arranged directly above the lighting groove 210, the mounting square cover 22 is fixedly mounted on the upper top surface of the curing light box 21, an airflow dividing component is arranged on the inner side of the mounting square cover 22, and the arch plate 23 is arranged in the inner cavity of the curing light box 21; In this embodiment, the high-speed airflow guiding mechanism 2 is installed on the UV dispensing machine body 1 through the mounting frame 11 to assist the dispensing mechanism in rapid curing. The mounting square cover 22 cooperates with the airflow division component to guide the external airflow and control it to form a plurality of small unit gas inflows, thereby effectively reducing eddy current losses and at the same time blocking dust in the external airflow. Through the setting of the arch plate 23, the curing lamp group 3 can focus the light while accelerating the dissipation of light heat, thereby being able to cure the UV glue more effectively and reducing the problem of uneven curing caused by heat accumulation.

[0022] Embodiment 2, on the basis of embodiment 1, in order to realize the introduction of high-speed airflow at the installation square cover 22, the airflow division component includes a circular cover plate 221, an annular focusing bucket plate 222 and a double-layer airflow division cover bucket 223, the annular focusing bucket plate 222 can be detachably installed on the inner surface of the installation square cover 22, the circular cover plate 221 is an annular cover body structure, the inner ring surface of the circular cover plate 221 is fixedly connected with a convex ring plate, and the inner surface of the convex ring plate is fixedly connected with the outer surface of the annular focusing bucket plate 222; a reinforcing rib plate 2221 is fixedly installed between the annular focusing bucket plate 222 and the inner side of the installation ear 211, the reinforcing rib plate 2221 is provided with multiple groups and arranged in a circular array about the central axis of the annular focusing bucket plate 222, and a connecting seat 2222 is fixedly installed on the inner surface of the annular focusing bucket plate 222; In this embodiment, if Figure 10-11 As shown, the circular cover plate 221 is installed at the top position of the curing light box 21 by installing the square cover 22 to introduce external airflow. Before the airflow is introduced, the special structural design of the annular focusing bucket plate 222 can ensure that the airflow is concentrated to the center position. The annular focusing bucket plate 222 here is connected to the circular cover plate 221 through a plurality of groups of reinforcing rib plates 2221 arranged in a circular array, which not only plays a role in supporting the annular focusing bucket plate 222 structure, but also achieves the effect of strengthening the protection of the annular focusing bucket plate 222, avoiding the impact of high-speed airflow on the annular focusing bucket plate 222, and maintaining the stability of the circular cover plate 221.

[0023] Embodiment 3, on the basis of embodiment 2, in order to realize the segmentation of the airflow introduced into the inner side of the annular focusing bucket plate 222 and reduce the vortex loss of the incoming air, the double-layer airflow segmentation cover bucket 223 is fixedly connected to the inner annular surface of the circular cover plate 221 through the connecting seat 2222, and the double-layer airflow segmentation cover bucket 223 is a cone structure that is wide at the top and narrow at the bottom, and segmentation holes are evenly opened on the inner wall of the double-layer airflow segmentation cover bucket 223; the double-layer airflow segmentation cover bucket 223 is set as a double-layer structure, and a filling cavity 2230 is set in the interlayer of the double-layer airflow segmentation cover bucket 223, and the interior of the filling cavity 2230 is filled with sound-absorbing cotton 2231; the lower end of the double-layer airflow segmentation cover bucket 223 is set as a plane, and the center of the plane is rotatably connected to the fan group 224, and the fan group 224 is set at the center position of the circular cover plate 221; In this embodiment, refer to Figure 12-13 As shown, a double-layer airflow dividing hood 223 is installed on the inner side of the annular focusing hood plate 222, where the overall structure of the double-layer airflow dividing hood 223 is designed as a double-layer structure, and a filling cavity 2230 is opened in the interlayer cavity to fill the sound-absorbing cotton 2231, and under the rotation of the fan group 224, when the incoming airflow is evenly divided through the dividing holes on the double-layer airflow dividing hood 223, the high-speed airflow is divided into multiple small units and enters the bottom of the circular cover plate 221, thereby reducing the loss of the incoming air vortex, and at this time, the external airflow passes through the evenly arranged dividing holes to achieve the effect of blocking external dust, reducing or avoiding dust from entering the interior of the curing lamp box 21 and affecting the curing effect of the UV glue; and through the filling of the sound-absorbing cotton 2231, the noise and jitter caused by turbulence are reduced, and the service life of the equipment and the smoothness of the airflow introduction are extended.

[0024] Embodiment 4, on the basis of embodiment 3, in order to realize uniform heat dissipation when the curing lamp group 3 is working, the arch plate 23 is in an arch plate-shaped structure, the lower opening of the arch plate 23 is adapted to the illumination slot 210, and the lower end of the arch plate 23 is fixedly connected to the bottom surface of the inner cavity of the curing lamp box 21, and a central air inlet slot 230 is provided on the inner wall of the upper end of the arch plate 23; the inner ring surface of the arch plate 23 is set as an inner concave surface, and a heat conducting strip 231 is fixedly installed on the inner concave surface, and the outer ring surface of the arch plate 23 is set as an outer convex surface, and a heat dissipation strip 232 is fixedly installed on the outer convex surface; an air guide slot plate 233 is fixedly installed on the inner surface of the central air inlet slot 230, and an extended air plate 2331 is fixedly connected to the lower end of the air guide slot plate 233; guide side slots 2330 are respectively provided on the inner walls on both sides of the extended air plate 2331, and an arc-shaped wing plate 2332 is fixedly connected to the lower inner wall of the guide side slot 2330; In this embodiment, if Figure 6 - Figure 8As shown, by adapting and installing the arched plate 23 of the arched structure at the opening position of the illumination groove 210, the curing lamp group 3 inside is surrounded, and the inner concave surface of the arched plate 23 gathers the light emitted by the curing lamp group 3, and with the arrangement of the inner concave surface heat conducting strip 231 and the outer convex surface heat dissipating strip 232, the heat generated by the curing lamp group 3 during operation can be guided and dissipated, and with the arrangement of the exhaust port 212, the uniform heat dissipation of the curing lamp box 21 is ensured, thereby improving the curing effect of the UV glue; it should be noted that a central air inlet groove 230 is opened at the top position of the arched plate 23, and the air guide groove plate 233 and the extended air plate 2331 are installed. In this way, the airflow blown in by the fan group 224 can be received, and most of the airflow is guided by the curved surfaces on both sides of the arch plate 23 to dissipate the heat of the inner cavity of the curing lamp box 21 over a large area, while a small part of the airflow passes through the air guide slot plate 233 and enters the inner side of the arch plate 23 to dissipate the heat of the inner side of the arch plate 23; it is worth noting that the inner cavity of the air guide slot plate 233 here changes from narrow to wide, so as to ensure that the airflow enters faster when passing through the narrow section. According to the Bernoulli principle, the flow velocity is faster when the flow channel is narrow, and then the airflow entering the inner side of the air guide slot plate 233 is expanded to the inside of the arch plate 23 through the expansion air plate 2331; It should also be noted that guide side grooves 2330 are respectively provided on both sides of the air guide groove plate 233, which can guide a small part of the airflow, and are guided and transmitted by the arc-shaped wing plate 2332. At this time, a part of the airflow passes between the outer arc surface of the arc-shaped wing plate 2332 and the inner concave surface of the arch plate 23, and at this time, the thermal conductive strip 231 and the heat dissipation strip 232 can both guide the airflow, so that the airflow enters the inner cavity of the arch plate 23 on both sides more quickly. In this way, the airflow fills the inner cavity of the arch plate 23, further accelerating the heat dissipation effect of the curing lamp group 3 and improving the light curing efficiency of the UV glue.

[0025] Embodiment 5, on the basis of embodiment 4, in order to ensure that the UV glue curing time is sufficient, this embodiment adds a spoiler component: a spoiler component is arranged on the inner concave side wall of the arch plate 23, and the spoiler component includes a strip hinge seat 24 and a swing plate 242, the strip hinge seat 24 is fixedly mounted on the inner concave surface of the arch plate 23, the inner surface of the strip hinge seat 24 is rotatably connected with a shaft 241, the outer surface of the shaft 241 is fixedly connected to one end of the swing plate 242, the lower side surface of the swing plate 242 is fixedly connected with an abutment spring 243, and the other end of the abutment spring 243 is fixedly and movably connected to the inner concave surface of the arch plate 23; In this embodiment, refer to Figure 7 - Fig. 9As shown, when part of the airflow guided by the arc-shaped wing plate 2332 enters the two sides of the inner cavity of the arch plate 23, the airflow will flow downward, and at this time the airflow will hit the surface of the swing plate 242 connected to the side wall of the arch plate 23. At this time, the swing plate 242 is continuously swinging with the cooperation of the abutting spring 243, so that the airflow guided to the two sides of the arch plate 23 is disturbed by the swinging swing plate 242, thereby expanding the distribution area of ​​the airflow and enhancing the heat dissipation area; and it should be noted that the swing plate 242 at this time is made of a reflective plate material, and the light reflected by the curing lamp group 3 can be moved during the continuous swinging process, thereby increasing the contact area and mixing effect between the airflow and the UV glue, so as to prevent the problem of uneven curing caused by insufficient light exposure, further solve the problem of difficult uniform heat release in the existing UV curing process, and can perform more efficient and uniform heat dissipation treatment on the heat generated by the UV lamp, thereby improving the curing effect and production efficiency of the UV glue.

[0026] In actual use, first, place the product to be UV cured on the workbench of the UV glue dispensing machine body 1, then control the glue dispensing mechanism to start, and perform glue dispensing on the product. During the glue dispensing process, turn on the fan group 224. At this time, install the square cover 22 to introduce the external airflow. Before the airflow is introduced, the special structural design of the annular focusing bucket plate 222 can ensure that the airflow converges to the center position. Then, a double-layer airflow dividing hood 223 is installed on the inner side of the annular focusing bucket plate 222, and under the rotation of the fan group 224, when the incoming airflow is evenly divided through the dividing holes on the double-layer airflow dividing hood 223, the high-speed airflow is divided into multiple small units and enters the bottom of the circular cover plate 221, thereby reducing the loss of the incoming air vortex; in addition, the air introduced into the inner cavity of the curing light box 21 Most of the airflow is guided through the curved surfaces on both sides of the arch plate 23 to dissipate the heat in the inner cavity of the curing lamp box 21 over a large area, and a small part of the airflow enters the inner side of the arch plate 23 through the air guide slot plate 233 to dissipate the heat inside the arch plate 23, and a part of it enters the interior of the arch plate 23 through the air guide slot plate 233 and the expansion air plate 2331, and a small part is guided and transmitted by the arc wing plate 2332. At this time, a part of the airflow passes between the outer arc surface of the arc wing plate 2332 and the inner concave surface of the arch plate 23, and at this time, the heat conductive strip 231 and the heat dissipation strip 232 can both guide the airflow, so that the airflow enters both sides of the inner cavity of the arch plate 23 more quickly. In this way, the airflow fills the inner cavity of the arch plate 23, further accelerating the heat dissipation effect of the curing lamp group 3 and improving the light curing efficiency of the UV glue.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A light curing device for a UV glue dispenser, comprising a UV glue dispenser body (1), a mounting frame (11) being fixedly mounted on the UV glue dispenser body (1), characterized in that: A high-speed airflow guiding mechanism (2) is arranged on the inner side of the mounting frame (11), and the high-speed airflow guiding mechanism (2) comprises a curing light box (21), a mounting square cover (22) and an arch plate (23). The outer surfaces of both sides of the curing light box (21) are respectively fixedly connected with mounting ears (211), and the mounting ears (211) are fixedly connected to the mounting frame (11) by bolts. Exhaust ports (212) are arranged on the inner walls of the curing light box (21) on opposite sides, and an illumination groove (210) is arranged on the inner bottom surface of the mounting ears (211). A curing light group (3) is arranged directly above the illumination groove (210). The mounting square cover (22) is fixedly mounted on the upper top surface of the curing light box (21), and an airflow dividing component is arranged on the inner side of the mounting square cover (22). The arch plate (23) is arranged in the inner cavity of the curing light box (21).

2. The light curing device of a UV dispensing machine according to claim 1, characterized in that: The airflow dividing assembly comprises a circular cover plate (221), an annular flow focusing bucket plate (222) and a double-layer airflow dividing cover bucket (223); the annular flow focusing bucket plate (222) is detachably mounted on the inner surface of the mounting square cover (22); the circular cover plate (221) is an annular cover body structure; the inner ring surface of the circular cover plate (221) is fixedly connected to a convex ring plate; the inner surface of the convex ring plate is fixedly connected to the outer surface of the annular flow focusing bucket plate (222).

3. The light curing device of a UV glue dispensing machine according to claim 2, characterized in that: A reinforcing rib plate (2221) is fixedly mounted between the annular flow focusing scoop plate (222) and the inner side of the mounting ear (211); a plurality of reinforcing rib plates (2221) are provided and arranged in a circular array about the central axis of the annular flow focusing scoop plate (222); and a connecting seat (2222) is fixedly mounted on the inner side surface of the annular flow focusing scoop plate (222).

4. The light curing device of a UV dispensing machine according to claim 3 is characterized in that: The double-layer airflow dividing hood (223) is fixedly connected to the inner annular surface of the circular cover plate (221) via a connecting seat (2222); the double-layer airflow dividing hood (223) is a frustum structure that is wide at the top and narrow at the bottom; and dividing holes are evenly arranged on the inner wall of the double-layer airflow dividing hood (223).

5. The light curing device of a UV glue dispensing machine according to claim 4, characterized in that: The double-layer airflow dividing hood (223) is configured as a double-layer structure, a filling cavity (2230) is provided in the interlayer of the double-layer airflow dividing hood (223), and the interior of the filling cavity (2230) is filled with sound-absorbing cotton (2231).

6. The light curing device of a UV glue dispensing machine according to claim 5, characterized in that: The lower end of the double-layer airflow dividing hood (223) is arranged as a plane, the center of which is rotatably connected to a fan group (224), and the fan group (224) is arranged at the center of the circular hood plate (221).

7. The light curing device of a UV dispensing machine according to claim 1, characterized in that: The arched plate (23) is an arched plate-like structure, the lower opening of the arched plate (23) is adapted to the illumination slot (210), the lower end of the arched plate (23) is fixedly connected to the bottom surface of the inner cavity of the curing light box (21), and a central air inlet slot (230) is provided on the inner wall of the upper end of the arched plate (23).

8. The light curing device of a UV glue dispensing machine according to claim 7, characterized in that: The inner ring surface of the arch plate (23) is set as an inner concave surface, and a heat conducting strip (231) is fixedly mounted on the inner concave surface; the outer ring surface of the arch plate (23) is set as an outer convex surface, and a heat dissipation strip (232) is fixedly mounted on the outer convex surface.

9. The light curing device of a UV glue dispensing machine according to claim 7, characterized in that: An air guide slot plate (233) is fixedly mounted on the inner surface of the central air inlet slot (230), and an expansion air plate (2331) is fixedly connected to the lower end of the air guide slot plate (233).

10. The light curing device of a UV dispensing machine according to claim 9, characterized in that: The inner walls on both sides of the extended air plate (2331) are respectively provided with guide side grooves (2330), and the lower inner wall of the guide side groove (2330) is fixedly connected with an arc-shaped wing plate (2332).

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