Uniform coating machine for producing bubble-preventing optical cement

Abstract

The utility model discloses a bubble-preventing uniform coating machine for producing optical cement, which belongs to the technical field of coating machines, is used for coating a substrate, and comprises a coating platform used for placing the substrate, a limiting component used for limiting the substrate is mounted on the coating platform, through holes which are symmetrically distributed are formed in the coating platform, and the limiting component is used for limiting the substrate. The limiting assembly comprises two vertical first air cylinders, the first air cylinders are fixed to the bottom of the coating platform, L-shaped connecting rods are fixed to output shafts of the first air cylinders, inclined limiting plates are fixed to vertical rods of the L-shaped connecting rods, and the upper ends of the limiting plates incline towards the side away from the center of the coating platform. According to the coating machine disclosed by the utility model, the inclined limiting plate is arranged, so that when the base plate is limited, the limiting plate is in contact with the bottom edge of the base plate, the limiting plate can be prevented from being in contact with the upper edge of the base plate, and optical cement is prevented from being accumulated on the edge of the base plate; and a second air cylinder controls a stirring rod and a brush strip to move to stir the optical cement, so that the optical cement is uniformly heated.

Description

Technical Field

[0001] The utility model belongs to the technical field of coating machines, in particular to a uniform coating machine for producing bubble-preventing optical adhesive. Background Art

[0002] Optical adhesive is a polymer substance with similar optical properties to those of optical parts and excellent bonding properties. It can be used to glue two or more optical parts together into an optical assembly that meets the requirements of optical path design; or it can be used to glue protective glass for high-precision optical scales, filters, etc.

[0003] When optical adhesive is coated on a substrate, the substrate needs to be fixed to prevent it from moving under the push of a coating plate. The traditional fixing method is to limit it by a number of vertical limit plates. However, when limiting, the limit plates will contact the upper edge of the substrate. When the limit plates are assembled, the optical adhesive may accumulate on the upper edge of the substrate, resulting in uneven coating. To solve the above problem, a uniform coating machine for preventing bubble optical adhesive production is provided.

[0004] It should be noted that the above contents belong to the technical knowledge of the inventor and do not necessarily constitute prior art. Utility Model Content

[0005] In order to solve the above problems, the purpose of the utility model is to provide a uniform coating machine for the production of bubble-preventing optical glue. By setting an inclined limiting plate, when limiting the substrate, the limiting plate contacts the bottom edge of the substrate, which can avoid the limiting plate from contacting the upper edge of the substrate and avoid the accumulation of optical glue on the edge of the substrate.

[0006] To achieve the above objectives, the utility model proposes a uniform coating machine for producing bubble-preventing optical adhesive, which is used for coating a substrate. The coating machine includes a coating platform for placing the substrate, and a limiting component for limiting the substrate is installed on the coating platform.

[0007] The coating platform is provided with symmetrically distributed through holes, and the limiting assembly includes two vertical first cylinders, which are fixed to the bottom of the coating platform. An L-shaped connecting rod is fixed to the output shaft of the first cylinder, and an inclined limiting plate is fixed to the vertical rod of the L-shaped connecting rod. The upper end of the limiting plate is inclined toward the side away from the center of the coating platform, and the limiting plate passes through the through hole.

[0008] Furthermore, an L-shaped support plate is fixed at one end of the coating platform, and a hot melt box for storing optical glue is fixed on the top plate of the L-shaped support plate.

[0009] Furthermore, a horizontal screen is provided inside the hot melt box, a second cylinder is fixed at one end of the hot melt box, the output shaft of the second cylinder penetrates into the interior of the hot melt box and is vertically fixed with a horizontal first connecting bar, a brush bar is fixed below the first connecting bar, the bottom of the brush bar is in contact with the screen, and an array of stirring rods are fixedly connected between the brush bar and the first connecting bar.

[0010] Furthermore, the hot melt box is connected to a spray assembly, which includes a strip-shaped spray head, with first support rods fixed at both ends of the spray head. A liquid extraction pump is installed on the hot melt box, and a hose is connected between the liquid outlet on the liquid extraction pump and the spray head.

[0011] Furthermore, the coating machine further comprises a coating assembly, the coating assembly comprises a second connecting bar, a coating plate is fixed below the second connecting bar, and second support rods are fixed at both ends of the second connecting bar;

[0012] Furthermore, a symmetrically distributed L-shaped bracket is fixed to one side of the top plate of the L-shaped support plate, and at least two slots are formed on the L-shaped bracket.

[0013] Furthermore, a moving component for controlling the movement of the spray component and the coating component is slidably provided on the coating platform.

[0014] Furthermore, the coating platform is provided with two parallel guide rails, the substrate is placed between the two guide rails, the moving assembly includes two electric sliders, a vertical third cylinder is fixed above the sliders, a fourth cylinder is vertically fixed on the output shaft of the third cylinder, the fourth cylinder is perpendicular to the guide rails, and a mounting sleeve for mounting the second support rod or the first support rod is fixed on the output shaft of the fourth cylinder, and the two mounting sleeves correspond to each other.

[0015] Furthermore, symmetrically distributed recovery boxes are provided below the coating platform, and the recovery boxes are directly opposite to the through holes.

[0016] The uniform coating machine for preventing bubble optical adhesive production proposed by the utility model can bring the following beneficial effects:

[0017] 1. The coating machine of the utility model is provided with an inclined limiting plate, so that when limiting the substrate, the limiting plate contacts the bottom edge of the substrate, which can avoid the limiting plate from contacting the upper edge of the substrate and avoid the accumulation of optical glue on the edge of the substrate;

[0018] 2. The coating machine of the utility model controls the movement of the stirring rod and the brush bar through the second cylinder to stir the optical glue so that it is heated evenly. At the same time, the brush bar brushes the screen to avoid clogging of the mesh of the screen. By setting the screen, bubbles and solid impurities in the optical glue can be filtered out to achieve an anti-bubble effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0020] Figure 1 This is a first-view structural schematic diagram of a uniform coating machine for producing bubble-preventing optical adhesive according to the utility model.

[0021] Figure 2 This is a second-view structural schematic diagram of a uniform coating machine for producing bubble-preventing optical adhesive according to the utility model.

[0022] Figure 3 for Figure 1 Enlarged structural diagram at A in the middle. DETAILED DESCRIPTION

[0023] In order to more clearly illustrate the overall concept of the present invention, a detailed description is given below in the form of examples in conjunction with the accompanying drawings.

[0024] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential" and the like indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0025] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0026] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] In the present utility model, unless otherwise clearly specified and limited, the first feature "on" or "under" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description of reference terms "one scheme", "some schemes", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the scheme or example are included in at least one scheme or example of the present utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same scheme or example. Moreover, the specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more schemes or examples.

[0028] The embodiment of the utility model provides a uniform coating machine for producing bubble-preventing optical adhesive, which is used to coat a substrate 10. Figure 1 As shown, the coating machine includes a coating platform 1 for placing a substrate 10, a limiting component 2 for limiting the substrate 10 is installed on the coating platform 1, an L-shaped support plate 3 is fixed at one end of the coating platform 1, a hot melt box 4 for storing optical glue is fixed on the top plate of the L-shaped support plate 3, a spray component 5 is connected to the hot melt box 4, the coating machine also includes a coating component 6, and a moving component 7 for controlling the movement of the spray component 5 and the coating component 6 is slidably provided on the coating platform 1.

[0029] The coating platform 1 is provided with symmetrically distributed through holes 11, and the limiting assembly 2 includes two vertical first cylinders 21, such as Figure 2 As shown, the first cylinder 21 is fixed at the bottom of the coating platform 1, an L-shaped connecting rod 22 is fixed on the output shaft of the first cylinder 21, an inclined limiting plate 23 is fixed on the vertical rod of the L-shaped connecting rod 22, the upper end of the limiting plate 23 is inclined toward the side away from the center of the coating platform 1, and the limiting plate 23 passes through the through hole 11.

[0030] A horizontal screen 41 is provided inside the hot melt box 4, a second cylinder 42 is fixed at one end of the hot melt box 4, the output shaft of the second cylinder 42 penetrates into the interior of the hot melt box 4 and a horizontal first connecting strip 43 is vertically fixed thereto, a brush strip 44 is fixed below the first connecting strip 43, the bottom of the brush strip 44 is in contact with the screen 41, and an array of stirring rods 45 are fixedly connected between the brush strip 44 and the first connecting strip 43.

[0031] A symmetrically distributed L-shaped bracket 31 is fixed to one side of the top plate of the L-shaped support plate 3 , and at least two slots 32 are formed on the L-shaped bracket 31 .

[0032] The spray assembly 5 includes a strip-shaped spray head 51, and first support rods 52 are fixed at both ends of the spray head 51. A liquid extraction pump 53 is installed on the hot melt box 4. The liquid extraction pump 53 is used to extract the optical glue under the screen 41 in the hot melt box 4. A hose 54 is connected between the liquid outlet on the liquid extraction pump 53 and the spray head 51.

[0033] The coating assembly 6 includes a second connecting strip 61, a coating plate 63 is fixed below the second connecting strip 61, and second support rods 62 are fixed at both ends of the second connecting strip 61. When the coating assembly 6 and the spray assembly 5 are idle, the corresponding second support rod 62 or the first support rod 52 is placed in the corresponding groove 32.

[0034] The coating platform 1 is provided with two parallel guide rails 12. Figure 3 As shown, the substrate 10 is placed between two guide rails 12, and the moving assembly 7 includes two electric sliders 71. A vertical third cylinder 72 is fixed above the slider 71, and a fourth cylinder 73 is vertically fixed on the output shaft of the third cylinder 72. The fourth cylinder 73 is perpendicular to the guide rails 12, and a mounting sleeve 74 for mounting the second support rod 62 or the first support rod 52 is fixed on the output shaft of the fourth cylinder 73, and the two mounting sleeves 74 correspond to each other.

[0035] Symmetrically distributed recovery boxes (not shown in the figure) are provided below the coating platform 1 . The recovery boxes are used to recover excess optical adhesive. The recovery boxes are directly opposite to the through holes 11 .

[0036] When in use, the substrate 10 is placed on the coating platform 1 and is located between the two guide rails 12 and the two limit plates 23. The limit plates 23 are lifted by starting the first cylinder 21 so that the lower edges of the two ends of the substrate 10 are in contact with the surfaces of the two limit plates 23 respectively. Optical glue is added into the hot melt box 4. The stirring rod 45 and the brush bar 44 are controlled by the second cylinder 42 to move and stir the optical glue so that it is heated evenly. At the same time, the brush bar 44 is used to brush the screen 41 to avoid clogging of the mesh of the screen 41. By setting the screen 41, bubbles and solid impurities in the optical glue can be filtered out.

[0037] Through the cooperation of the slider 71, the third cylinder 72 and the fourth cylinder 73, the two mounting sleeves 74 are controlled to be respectively sleeved on the two first support rods 52, and the spray assembly 5 is taken out from the slot 32 through the cooperation of the third cylinder 72 and the slider 71, and the liquid pump 53 is turned on to make the nozzle 51 spray the optical glue onto the substrate 10, and the nozzle 51 is controlled to move in a direction perpendicular to the guide rail 12 by extending one of the fourth cylinders 73 and shortening the other fourth cylinder 73, and the nozzle 51 is controlled to move in a direction parallel to the guide rail 12 by starting the slider 71, so that the position of the nozzle 51 can be adjusted, so that the coating machine can be suitable for substrates 10 of different sizes.

[0038] Then put the spray component 5 into the groove 32, take the coating component 6 out of the groove 32 by moving the component 7, and then start the third cylinder 72 to control the contact between the coating plate 63 and the optical glue on the substrate 10. The coating thickness can be controlled by controlling the third cylinder 72, and the optical glue on the substrate 10 can be evenly coated by starting one of the fourth cylinders 73 to extend and starting the slider 71.

[0039] The coating position can be controlled and adjusted by controlling one of the fourth cylinders 73 to extend and the other fourth cylinder 73 to shorten.

[0040] By providing the inclined limiting plate 23 , it is possible to prevent the limiting plate 23 from contacting the upper edge of the substrate 10 , thereby preventing the optical adhesive from accumulating on the edge of the substrate 10 .

[0041] Each embodiment in this specification is described in a progressive manner, and the same or similar parts between the embodiments can be referred to each other, and each embodiment focuses on the differences from other embodiments. In particular, for the system embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the relevant parts can be referred to the partial description of the method embodiment.

[0042] The above description is only an embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the claims of the present invention.

Claims

1. A uniform coating machine for producing bubble-preventing optical adhesive, used for coating a substrate (10), the coating machine comprising a coating platform (1) for placing the substrate (10), characterized in that: The coating platform (1) is provided with a limiting component (2) for limiting the position of the substrate (10); The coating platform (1) is provided with symmetrically distributed through holes (11), and the limiting assembly (2) comprises two vertical first cylinders (21), the first cylinders (21) are fixed to the bottom of the coating platform (1), an L-shaped connecting rod (22) is fixed to the output shaft of the first cylinder (21), an inclined limiting plate (23) is fixed to the vertical rod of the L-shaped connecting rod (22), the upper end of the limiting plate (23) is inclined toward a side away from the center of the coating platform (1), and the limiting plate (23) passes through the through hole (11).

2. The uniform coating machine for producing bubble-preventing optical adhesive according to claim 1, characterized in that: An L-shaped support plate (3) is fixed to one end of the coating platform (1), and a hot melt box (4) for storing optical glue is fixed to the top plate of the L-shaped support plate (3).

3. The uniform coating machine for producing bubble-preventing optical adhesive according to claim 2, characterized in that: A horizontal screen (41) is arranged inside the hot melt box (4), a second cylinder (42) is fixed to one end of the hot melt box (4), an output shaft of the second cylinder (42) penetrates into the hot melt box (4) and a horizontal first connecting bar (43) is vertically fixed thereto, a brush bar (44) is fixed below the first connecting bar (43), the bottom of the brush bar (44) is in contact with the screen (41), and an array of stirring rods (45) are fixedly connected between the brush bar (44) and the first connecting bar (43).

4. The uniform coating machine for producing bubble-preventing optical adhesive according to claim 3, characterized in that: The hot melt box (4) is connected to a spray assembly (5), the spray assembly (5) comprising a strip-shaped spray head (51), both ends of the spray head (51) being fixed with first support rods (52), a liquid extraction pump (53) being installed on the hot melt box (4), a hose (54) being connected between the liquid outlet on the liquid extraction pump (53) and the spray head (51).

5. The uniform coating machine for producing bubble-preventing optical adhesive according to claim 4, characterized in that: The coating machine further comprises a coating assembly (6), the coating assembly (6) comprising a second connecting bar (61), a coating plate (63) being fixed below the second connecting bar (61), and second support rods (62) being fixed at both ends of the second connecting bar (61).

6. The uniform coating machine for producing bubble-preventing optical adhesive according to claim 5, characterized in that: A symmetrically distributed L-shaped bracket (31) is fixed to one side of the top plate of the L-shaped support plate (3), and at least two slots (32) are formed on the L-shaped bracket (31).

7. The uniform coating machine for producing bubble-preventing optical adhesive according to claim 6, characterized in that: A moving component (7) for controlling the movement of the spray component (5) and the coating component (6) is slidably provided on the coating platform (1).

8. The uniform coating machine for producing bubble-preventing optical adhesive according to claim 7, characterized in that: The coating platform (1) is provided with two parallel guide rails (12), the substrate (10) is placed between the two guide rails (12), the moving assembly (7) comprises two electric sliders (71), a third cylinder (72) is vertically fixed above the sliders (71), a fourth cylinder (73) is vertically fixed on the output shaft of the third cylinder (72), the fourth cylinder (73) is perpendicular to the guide rails (12), and a mounting sleeve (74) for mounting the second support rod (62) or the first support rod (52) is fixed on the output shaft of the fourth cylinder (73), and the two mounting sleeves (74) correspond to each other.

9. The uniform coating machine for producing bubble-preventing optical adhesive according to claim 8, characterized in that: Symmetrically distributed recovery boxes are provided below the coating platform (1), and the recovery boxes are directly opposite to the through holes (11).

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