CN215163087U - Film coating equipment - Google Patents

Abstract

The utility model relates to a coating equipment. The coating equipment comprises a box body, a guide rail, a coating disc, a roller, a connecting frame and a driving mechanism. The guide rail is of a closed loop structure and is fixedly connected to the inside of the box body. The connecting frame is provided with a driving end and a functional end far away from the driving end, the driving mechanism is connected to the driving end of the connecting frame and used for driving the connecting frame to rotate, the idler wheel can be connected to the functional end of the connecting frame in a self-rotating mode, and the idler wheel is matched with the guide rail to roll along the guide rail. The film coating disc is fixedly connected with the roller wheel to synchronously rotate along with the roller wheel. When the coating equipment is used for coating the cover plate, the cover plate on the coating disc can rotate in the same direction as the connecting frame and can also rotate in the same direction as the idler wheels, so that the cover plate can be coated in multiple directions and at multiple angles, and the uniformity of a film layer on the cover plate is improved.

Description

Film coating equipment

Technical Field

The utility model relates to the technical field of coating film, especially, relate to a coating equipment.

Background

With the increasing popularity of electronic products, consumers have higher and higher requirements for the quality of the electronic products. On the basis of pursuing high performance, consumers want the cover plate of the electronic product to show abundant and various effects such as color and texture. At present, the effects of color, texture and the like of a specific pattern can be formed on the surface of the cover plate through coating, so that the coating processing mode is widely popularized. However, in the conventional coating process, due to the limitation of the coating equipment, the uniformity of the coating layer is poor after the coating process is performed.

SUMMERY OF THE UTILITY MODEL

Therefore, a coating device capable of effectively improving the uniformity of the film layer is needed.

In order to solve the technical problem, the technical scheme of the utility model lies in:

a coating device comprises a box body, a guide rail, a coating disc, a roller, a connecting frame and a driving mechanism;

the guide rail is of a closed loop structure and is fixedly connected to the inside of the box body; the connecting frame is provided with a driving end and a functional end far away from the driving end, the driving mechanism is connected to the driving end of the connecting frame to drive the connecting frame to rotate, the roller can be connected to the functional end of the connecting frame in a self-rotating mode, and the roller is matched with the guide rail to roll along the guide rail; the film coating disc is fixedly connected to the roller wheel to synchronously rotate along with the roller wheel.

In one embodiment, the coating disc is gradually raised from the edge to the middle of the coating disc to form a convex surface and a concave surface which are oppositely arranged, and the convex surface is closer to the roller than the concave surface.

In one embodiment, the radially inner cross-section of the coated disk is circular.

In one embodiment, the maximum diameter of the radial outer section of the coated disc is 1130 mm-1200 mm.

In one embodiment, the maximum height of the inner concave surface of the film coating disc protruding from the edge of the film coating disc is 200 mm-230 mm.

In one embodiment, the coating discs are multiple, the rollers are multiple, and the coating discs and the rollers are in one-to-one correspondence.

In one embodiment, the rollers are uniformly distributed on the guide rail, and the distance between the edges of two adjacent coating disks is not less than 3 cm.

In one embodiment, the guide rail is circular.

In one embodiment, the driving end of the connecting frame is formed with a rotary disc, the axis of the rotary disc is in the same line with the axis of the guide rail, and the functional end extends from the rotary disc towards the guide rail.

In one embodiment, the coating equipment further comprises a cooling medium channel, and the cooling medium channel is arranged outside the box body and used for cooling the box body through cooling medium.

The coating equipment comprises a box body, a guide rail, a coating disc, a roller, a connecting frame and a driving mechanism. The guide rail is of a closed loop structure and is fixedly connected to the inside of the box body. The connecting frame is provided with a driving end and a functional end far away from the driving end, the driving mechanism is connected to the driving end of the connecting frame and used for driving the connecting frame to rotate, the idler wheel can be connected to the functional end of the connecting frame in a self-rotating mode, and the idler wheel is matched with the guide rail to roll along the guide rail. The film coating disc is fixedly connected with the roller wheel to synchronously rotate along with the roller wheel. When the coating equipment is used for coating the cover plate, the cover plate is arranged on the coating disc, the connecting frame is rotated under the action of the driving mechanism, and then the roller is driven to roll along the guide rail. The coating disc can be driven by the roller to rotate in the same direction as the connecting frame. Meanwhile, in the process that the roller rolls along the guide rail, the roller can rotate due to the interaction between the roller and the guide rail, so that the coating disc can synchronously rotate along with the roller, and the coating disc can rotate. At the moment, the cover plate on the coating disc can obtain the rotation in the same direction as the connecting frame and can also obtain the rotation in the same direction as the idler wheels, so that the cover plate can be coated in multiple directions and at multiple angles, and the uniformity of a film layer on the cover plate is improved.

Drawings

Fig. 1 is a schematic structural view of a coating apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a connecting frame, a roller, a coating disc and the like in the coating apparatus corresponding to FIG. 1;

FIG. 3 is a schematic structural view of a connecting frame, a roller and the like in the coating apparatus corresponding to FIG. 1;

FIG. 4 is a front view of a corresponding structure of FIG. 3;

FIG. 5 is a left side view of the corresponding structure of FIG. 3;

FIG. 6 is an enlarged partial cross-sectional view taken along line A-A and at line B of FIG. 5;

FIG. 7 is a front view of a coating pan of the coating apparatus corresponding to FIG. 1;

FIG. 8 is a left side view of a coating pan of the coating apparatus corresponding to FIG. 1;

fig. 9 is a color uniformity curve of a film layer on a cover plate after the cover plate is coated by using the coating apparatus corresponding to fig. 1.

The notation in the figure is:

100. coating equipment; 101. a box body; 102. a guide rail; 103. coating a film disc; 1031. a film coating disc main body; 1032. a frame; 104. a roller; 105. a connecting frame; 1051. rotating the disc; 1052. a functional end; 106. a drive mechanism; 107. a rotating shaft; 108. a bearing; 109. a buffer member; 110. a guide rail mount; 111. a cooling medium passage; 112. fixing the rod; 113. a locking member; 114. a box door; 115. a base; 116. a heater; 117. an ion source mounting position; 118. an air extraction device; 119. mounting positions of electron beam evaporation sources; 120. prevent evaporating evaporation source installation position.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 8, an embodiment of the present invention provides a coating apparatus 100. The plating device 100 includes a case 101, a guide rail 102, a plating tray 103, a roller 104, a link 105, and a driving mechanism 106. The guide rail 102 is of a closed loop structure and is fixedly connected to the inside of the box body 101; the connecting frame 105 has a driving end and a function end 1052 remote from the driving end, the driving mechanism 106 is connected to the driving end of the connecting frame 105 for driving the connecting frame 105 to rotate, the roller 104 is rotatably connected to the function end 1052 of the connecting frame 105, and the roller 104 is matched with the guide rail 102 to roll along the guide rail 102; the coating disk 103 is fixedly connected to the roller 104 to rotate synchronously with the roller 104.

When the cover plate is coated by the coating apparatus 100 in this embodiment, the cover plate is mounted on the coating disk 103, for example, the cover plate may be mounted on the coating disk 103 by means of magnet attraction or tape adhesion. The connecting frame 105 is rotated by the driving mechanism 106, and the roller 104 is driven to roll along the guide rail 102. The coating disc 103 can be driven by the roller 104 to rotate in the same direction as the connecting frame 105. Meanwhile, in the process that the roller 104 rolls along the guide rail 102, the roller 104 can rotate due to the interaction between the roller 104 and the guide rail 102, so that the coating disc 103 can synchronously rotate along with the roller 104, and the coating disc 103 can rotate. At this moment, the cover plate on the coating disc 103 can obtain the rotation in the same direction as the connecting frame 105, and can also obtain the rotation in the same direction as the roller 104, so that the cover plate can be coated in multiple directions and at multiple angles, and the uniformity of the film layer on the cover plate is improved.

It is understood that the cover may be, but is not limited to, a cell phone cover. The cover plate may be made of, but not limited to, glass, ceramic, plastic, metal, PMMA, PET, etc.

In a preferred scheme, the coating disc 103 gradually bulges from the edge to the middle part to form a convex surface and an inner concave surface which are oppositely arranged, and the convex surface is closer to the roller 104 than the inner concave surface. At the moment, in the coating process, the cover plate is arranged on the inner concave surface, the working area of the coating disc 103 is increased due to the arrangement of the inner concave surface, more cover plates can be arranged on the coating disc 103, and the processing efficiency of the coating equipment 100 is improved. In addition, the coating disc 103 gradually protrudes from the edge to the middle to form a protruding surface and an inner concave surface which are oppositely arranged, so that certain gathering effect on coating ions can be achieved, and the coating effect on the cover plate is further improved.

Further, the radially inner cross-section of the membrane disc 103 is circular and/or the radially outer cross-section of the membrane disc 103 is circular. It is understood that radial refers to a direction perpendicular to the axial direction. More specifically, during the coating process, the coating disk 103 rotates on its axis, and the radial direction refers to a direction perpendicular to the axis.

Furthermore, the maximum diameter of the radial outer section of the film coating disc 103 is 1130 mm-1200 mm. For example, the maximum diameter of the radially outer cross-section of the coated disk 103 may be, but is not limited to, 1130mm, 1140mm, 1150mm, 1160mm, 1170mm, 1180mm, 1190mm, 1200mm, or the like. In actual design, the film plating tray 103 with corresponding size can be set according to the size of the box 101, the size of the cover plate, the number of the cover plates and the like, so as to ensure high-efficiency processing efficiency.

In a specific example, the maximum height of the concave surface of the coated disk 103 protruding from the edge thereof is 200mm to 230 mm. For example, the maximum height of the inner concave surface of the coated disk 103 protruding from the edge thereof is 200mm, 205mm, 210mm, 215mm, 220mm, 225mm, 230mm, and the like. The maximum height of the inner concave surface of the coating disc 103 protruding out of the edge is represented by the depth of the coating disc 103, the improvement effect of the coating efficiency is not obvious when the depth is too small, the volume of the box body 101 is greatly increased when the depth is too large, and the manufacturing cost and the installation space of the coating equipment 100 are improved.

In another specific example, there are a plurality of coating disks 103 and a plurality of rollers 104, and the plurality of coating disks 103 correspond to the plurality of rollers 104 one by one. More cover plates can be processed by arranging the plurality of coating disks 103, and the coating efficiency is improved. Further, the plurality of rollers 104 are uniformly distributed on the guide rail 102, and the distance between the edges of two adjacent coating disks 103 is not less than 3 cm. Therefore, the phenomenon of mutual interference such as collision, friction and the like between the coating discs 103 can be effectively ensured.

In the coating apparatus 100 of the present embodiment, there are 4 coating disks 103, 4 rollers 104, and the distance between the edges of two adjacent coating disks 103 is 3cm to 4 cm.

In a preferred embodiment, the guide rail 102 is circular. At this moment, the roller 104 can move more smoothly on the guide rail 102, and the integrity among the roller 104, the coating disc 103 and the connecting frame 105 can be effectively improved, so that the coating processing is more efficient, and the coating quality is better.

Referring to fig. 2 to 5 again, the driving end of the connecting frame 105 is formed with a rotating disc 1051, the axis of the rotating disc 1051 is aligned with the axis of the guide rail 102, and the functional end 1052 extends from the rotating disc 1051 toward the guide rail 102. At this time, the link 105 may rotate along the axis of the rotating disk 1051, and then the roller 104 may be moved along the guide rail 102. Specifically, the number of the functional terminals 1052 is 4, and the 4 functional terminals 1052 are respectively connected to the roller 104. More specifically, the functional end 1052 projects from the edge of the rotating disk 1051 toward the guide rail 102.

Preferably, the functional end 1052 and the rotary disk 1051 form an angle of 100 ° to 180 °. Corresponding to fig. 4, the included angle α formed between the functional end 1052 and the rotary disk 1051 is 100 ° to 180 °. As some specific examples, the angle formed between the functional end 1052 and the rotary disk 1051 may be, but is not limited to, 100, 110, 120, 130, 140, 150, 160, 170, or 180.

Referring to fig. 6 again, the coating apparatus 100 further includes a rotating shaft 107 and a bearing 108, two ends of the rotating shaft 107 are respectively and fixedly connected to the coating disk 103 and the roller 104, the bearing 108 is disposed at the functional end 1052, and the bearing 108 is sleeved on an outer edge of the rotating shaft 107. Through the arrangement of the rotating shaft 107 and the bearing 108, the film coating disc 103 can rotate more stably under the driving of the roller 104, and the stability of film coating processing is improved.

Further, the coating device 100 further comprises a buffer member 109, and the buffer member 109 is arranged between the coating disc 103 and the rotating shaft 107 for stabilizing the connection between the coating disc 103 and the rotating shaft 107, so that the connection between the coating disc 103 and the rotating shaft 107 is more stable. The coating device 100 further comprises a fixing rod 112 and a locking member 113, wherein the fixing rod 112 is fixedly connected with the rotating shaft 107 and is further locked by the locking member 113, so that the coating disc 103 moves along with the roller 104 more stably. Optionally, the retaining member 113 is a nut.

It is understood that, referring again to fig. 2, the plating device 100 further includes a rail mounting member 110, and the rail 102 is fixedly coupled to the inside of the cabinet 101 by the rail mounting member 110. Specifically, there are a plurality of rail mounts 110, and the plurality of rail mounts 110 are uniformly distributed and connected to the rail 102. Optionally, there are 4 rail mounts 110, and 4 rail mounts 110 are evenly distributed on the rail 102 to more stably attach the rail 102 to the inside of the cabinet 101.

Referring to fig. 1 again, the coating apparatus 100 further includes a cooling medium channel 111, and the cooling medium channel 111 is disposed outside the box 101 for cooling the box 101 by the cooling medium. In the coating process, the temperature inside the box body 101 is high, which may cause the temperature of the whole box body 101 to be high, and through the arrangement of the cooling medium channel 111, the cooling medium passes through the cooling medium channel 111, so that the temperature of the box body 101 can be effectively reduced, and the stability of the temperature of the box body 101 is maintained. Optionally, the cooling medium is cooling water.

Specifically, the case 101 has a cylindrical shape. More specifically, the inner diameter of the radial section of the case 101 is 2050mm to 2100 mm. For example, the inner diameter of the radial section of the casing 101 is 2050mm, 2060mm, 2070mm, 2080mm, 2090mm or 2100 mm. In the actual plating equipment 100, the case 101 may be provided in a size corresponding to the sizes of the plating pan 103, the link 105, the guide rail 102, and the like.

Referring to fig. 7 and 8 again, the filming tray 103 includes a main body 1031 and a frame 1032, and the frame 1032 is located on the protruding surface. By the arrangement of the frame 1032 and the plating tray main body 1031, the plating tray 103 of a stable structure is formed. Specifically, the plating tray main body 1031 is a stainless steel plating tray main body, and the thickness of the plating tray main body 1031 is preferably 0.5 mm.

Referring again to fig. 1, the coating apparatus 100 further includes a heater 116 and/or an ion source mounting location 117 and/or a gas extractor 118 and/or an evaporation source mounting location (the evaporation source mounting location includes an electron beam evaporation source mounting location 119 and/or a evaporation-resistant evaporation source mounting location 120). In the coating process, a vacuum environment is formed inside the box body 101 through the air exhaust device 118; providing a suitable temperature inside the cabinet 101 by means of a heater 116; the cover plate can be cleaned in a plasma cleaning mode by mounting the ion source on the ion source mounting position 117; an appropriate evaporation source is installed through the evaporation source installation site to form an appropriate plating layer on the surface of the cover plate. When electron beam evaporation is required, the evaporation source is mounted on the electron beam evaporation source mounting position 119, and when evaporation-blocking evaporation is required, the evaporation source is mounted on the evaporation-blocking evaporation source mounting position 120.

Further, the plating apparatus 100 further includes a door 114 and a base 115. The door 114 may be provided to facilitate manipulation of the interior of the cabinet 101. The base 115 is provided so that the plating device 100 can be more stably installed at a predetermined position.

The utility model also provides a film coating method. The coating method adopts the coating equipment 100, and comprises the following steps:

the cover plate is arranged on the film coating disc 103, the connecting frame 105 is driven to move under the action of the driving mechanism 106, and the connecting frame 105 drives the roller 104 to move along the guide rail 102, so that the film coating disc 103 is driven to move.

In the above coating method, the coating disk 103 can simultaneously and respectively obtain the same movement direction as the connecting frame 105 and the roller 104, and can perform multi-directional and multi-angle coating on the cover plate, which is beneficial to improving the uniformity of the film layer on the cover plate.

Further, the coating method also comprises the following steps: forming a vacuum environment inside the box 101 by the air extractor 118; a preset temperature is formed inside the case 101 by the heater 116; plasma cleaning of the cover plate is performed by an ion source mounted as 117 on the ion source; and forming corresponding coating on the surface of the cover plate through the evaporation source on the evaporation source mounting position. In the aspect of productivity, the productivity of the coating method is improved by about 60 percent.

Referring to fig. 9, fig. 9 is a graph illustrating color uniformity of a film on a cover plate after the cover plate is coated by using the coating apparatus 100. As can be seen from fig. 9, the difference between the color bands of the upper and lower middle film layers is within 4nm, which indicates that the color consistency of the film layer obtained by using the above-described coating apparatus 100 is good.

The following table shows the reliability test results of the film layers obtained by using the above-described plating apparatus 100.

From the above results, it can be seen that the film layer obtained by using the above-described plating apparatus 100 has good reliability.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. A coating device is characterized by comprising a box body, a guide rail, a coating disc, a roller, a connecting frame and a driving mechanism;

the guide rail is of a closed loop structure and is fixedly connected to the inside of the box body; the connecting frame is provided with a driving end and a functional end far away from the driving end, the driving mechanism is connected to the driving end of the connecting frame to drive the connecting frame to rotate, the roller can be connected to the functional end of the connecting frame in a self-rotating mode, and the roller is matched with the guide rail to roll along the guide rail; the film coating disc is fixedly connected to the roller wheel to synchronously rotate along with the roller wheel.

2. The plating device according to claim 1, wherein the plating tray is gradually raised from the edge to the center thereof to form a convex surface and a concave surface which are arranged oppositely, and the convex surface is closer to the roller than the concave surface.

3. The plating device according to claim 1, wherein a radially inner section of the plating disk is circular.

4. The plating device according to claim 3, wherein the radially outer section of the plating disk has a maximum diameter of 1130mm to 1200 mm.

5. The plating device according to claim 3, wherein the maximum height of the inner concave surface of the plating pan projecting from the edge thereof is 200mm to 230 mm.

6. The plating apparatus according to any one of claims 1 to 5, wherein there are a plurality of the plating trays, a plurality of the rollers, and a plurality of the plating trays correspond to the plurality of rollers one by one.

7. The plating apparatus according to claim 6, wherein a plurality of the rollers are uniformly distributed on the guide rail, and a distance between edges of two adjacent plating trays is not less than 3 cm.

8. The plating apparatus according to any one of claims 1 to 5, wherein the guide rail is circular.

9. The plating apparatus according to any one of claims 1 to 5, wherein the driving end of the link frame is formed with a rotating disk, an axis of the rotating disk is located on the same line as an axis of the guide rail, and the functional end protrudes from the rotating disk toward the guide rail.

10. The plating apparatus according to any one of claims 1 to 5, further comprising a cooling medium passage provided outside the case body for cooling the case body by a cooling medium.

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