Display screen with metal frame and gluing device thereof

Abstract

The present invention discloses a display screen with a metal frame and a gluing device therefor. The display screen with a metal frame includes a bottom shell and a screen assembly. The bottom shell includes a metal frame. The inner wall of the metal frame has a supporting ridge extending inward. The screen assembly is placed within the bottom shell and supported by the supporting ridge. The top surface of the supporting ridge is provided with a glue groove. The metal frame includes a first side and a second side disposed opposite each other. The outer wall of the first side has a glue injection hole connected to the glue groove. The outer wall of the second side has an exhaust hole connected to the glue groove. The exhaust hole is arranged obliquely. The end of the exhaust hole away from the glue groove is an exhaust port. The lower edge of the exhaust port is higher than the top surface of the supporting ridge. The depth of the glue groove gradually increases from the area connected to the glue injection hole to the area connected to the exhaust hole. The glue groove is used to inject glue liquid that contacts the bottom surface of the screen assembly. The display screen with a metal frame has low difficulty in controlling the glue injection amount and is easy to produce.

Description

Technical Field

[0001] The present invention relates to the technical field of display screens, and in particular to a display screen with a metal frame and a gluing device thereof. Background Art

[0002] During the assembly process of the display screen, there is a step in which the screen assembly is installed in the bottom shell. The bottom surface of the screen assembly is bonded to the raised edge on the frame of the bottom shell, thereby fixing the screen assembly and the bottom shell.

[0003] During the actual assembly process, the common practice in the industry is to apply glue on the convex edge and then assemble the screen assembly into the bottom shell. This method of applying glue first and then pressing requires precise control of the amount of glue. If there is too much glue, glue overflow will occur, resulting in the need to add a glue overflow removal station later. If there is too little glue, there will be a problem of loose bonding between the screen assembly and the bottom shell. The precise control of the glue amount requires multiple experiments, which will undoubtedly cause a lot of waste of manpower and material resources.

[0004] In addition, in order to reduce the thickness of the frame and improve the texture of the frame, some displays will use metal frames. Summary of the Invention

[0005] The technical problem solved by the present invention is to provide a display screen with a metal frame that can reduce the difficulty of controlling glue liquid, and a gluing device that can improve the gluing efficiency of the display screen with a metal frame.

[0006] In order to solve the above technical problems, the present invention adopts a first technical solution: a display screen with a metal frame, comprising a bottom shell and a screen assembly, the bottom shell comprising a metal frame, the inner wall of the metal frame having a supporting protrusion extending inward, the screen assembly being placed in the bottom shell and supported by the supporting protrusion, the top surface of the supporting protrusion being provided with a glue groove, the metal frame comprising a first side edge and a second side edge arranged opposite to each other, the outer wall of the first side edge having a glue injection hole connected to the glue groove, the outer wall of the second side edge having an exhaust hole connected to the glue groove, the exhaust hole being arranged at an angle, the end of the exhaust hole away from the glue groove being an exhaust port, the lower edge of the exhaust port being higher than the top surface of the supporting protrusion, the depth of the glue groove gradually increasing from the area connected to the glue injection hole to the area connected to the exhaust hole, and the glue groove being used to pour glue liquid contacting the bottom surface of the screen assembly.

[0007] In order to solve the above technical problems, the second technical solution adopted by the present invention is: a gluing device for gluing the display screen, and the display screen is the above-mentioned display screen with a metal frame; the gluing device includes a table, a first positioning bar, a second positioning bar, a third positioning bar, a fourth positioning bar, a first driving member, a second driving member, a third driving member and a glue injection head, the first positioning bar and the second positioning bar are arranged opposite to each other, and the third positioning bar and the fourth positioning bar are arranged opposite to each other, the table has a placement area for placing the display screen, the first positioning bar, the second positioning bar, the third positioning bar and the fourth positioning bar are arranged around the placement area, the first positioning bar, the second positioning bar, the third positioning bar and the fourth positioning bar are all made of heat-conducting material, the first positioning bar, the second positioning bar, the third positioning bar and the fourth positioning bar are respectively embedded with heating elements, the second positioning bar and the third positioning bar are fixedly arranged at On the table, the second positioning bar is provided with an exhaust groove, and when the second positioning bar contacts the outer wall of the second side of the display screen, the exhaust groove is connected to the exhaust hole, the second driving member is provided on the table and connected to the fourth positioning bar to drive the fourth positioning bar close to or away from the third positioning bar, the first driving member is provided on the table and connected to the first positioning bar to drive the first positioning bar close to or away from the second positioning bar, and the third driving member is provided on the table and connected to the glue injection head to drive the glue injection head close to or away from the second positioning bar, and the first positioning bar is provided with an avoidance groove, when the first positioning bar contacts the outer wall of the first side of the display screen, the avoidance groove is connected to the glue injection hole, the glue injection head is located in the avoidance groove and the glue injection port of the glue injection head extends into the glue injection hole on the first side.

[0008] The beneficial effects of the present invention are:

[0009] The display screen with a metal frame adopts the method of glue injection to connect the supporting ridge of the bottom shell and the screen body assembly. The glue is injected from the glue injection hole, and the air in the glue groove is discharged from the exhaust hole. The lower edge of the exhaust port is higher than the top surface of the supporting ridge, so that the injected glue can effectively fill the glue groove, ensuring the stability of the bonding between the bottom shell and the screen body assembly. Moreover, by observing the glue overflow from the exhaust port, it is also possible to clearly know whether the glue groove is filled with glue, which greatly reduces the difficulty of controlling the injection amount and facilitates the assembly of the screen body assembly and the bottom shell. Moreover, even if glue overflow occurs, since there is only one exhaust hole, the glue overflowing from the exhaust hole is easy to clean, which further facilitates the assembly and production of the display screen. In addition, since the glue groove is inclined, the depth of the glue groove near the glue injection hole is shallow, and the depth of the glue groove near the exhaust hole is deep, which can make the glue in the glue groove flow more smoothly and is more conducive to the glue filling the glue groove.

[0010] This gluing device can automatically complete the glue injection work in the glue groove in the bottom shell, which is beneficial to improving the assembly efficiency of the display screen. In addition, the first positioning bar, the second positioning bar, the third positioning bar and the fourth positioning bar are embedded with heating elements. The heat generated by the heating elements can be transferred to the glue in the glue groove through the metal frame, so that the glue can maintain a certain fluidity, so that the glue can better fill the glue groove, thereby more effectively ensuring the stability of the connection between the screen assembly and the bottom shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0012] Figure 1 This is a schematic structural diagram of a bottom shell in a display screen with a metal frame according to a first embodiment of the present invention;

[0013] Figure 2 is a cross-sectional view of a display screen with a metal frame according to a first embodiment of the present invention;

[0014] Figure 3 This is a top view of the gluing device in embodiment 1 of the present invention when working.

[0015] Description of Figure Numbers:

[0016] 1. Bottom shell; 11. Metal frame; 111. First side; 112. Second side; 113. Glue injection hole; 114. Exhaust hole; 1141. Exhaust port; 12. Support ridge; 121. Transition groove; 13. Glue groove;

[0017] 2. Screen assembly;

[0018] 3. Tablet;

[0019] 41. First positioning strip; 411. Avoidance groove; 42. Second positioning strip; 421. Exhaust groove; 43. Third positioning strip; 44. Fourth positioning strip;

[0020] 51. First driving member; 52. Second driving member; 53. Third driving member; 54. Glue injection head; 541. Glue injection port;

[0021] 6. Heating components;

[0022] 7. Screen pressing mechanism; 71. Downward pressing drive member; 72. Downward pressing plate. DETAILED DESCRIPTION

[0023] The purpose, features and advantages of the present invention will be further described with reference to the accompanying drawings and in conjunction with the embodiments.

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0025] It should be noted that if the embodiments of the present invention involve directional indications such as up, down, left, right, front, back, etc., then the directional indications are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture as shown in the accompanying drawings. If the specific posture changes, the directional indication will also change accordingly.

[0026] In addition, if the embodiments of the present invention include descriptions of "first," "second," etc., such descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, features specified as "first" or "second" may explicitly or implicitly include at least one of such features.

[0027] In addition, if the word "and / or" appears throughout the text, it means that three parallel solutions are included. For example, "and / or" includes solutions, or solutions, or solutions that are satisfied simultaneously. In addition, the technical solutions between the various embodiments can be combined with each other, but this must be based on the fact that a person of ordinary skill in the art can implement them. If the combination of technical solutions is mutually contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0028] In this application, unless otherwise expressly specified or limited, terms such as "mounted," "connected," "connect," and "fixed" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integration; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal connections between two components or interactions between two components. Those skilled in the art will understand the specific meanings of these terms in this application based on specific circumstances.

[0029] Example 1

[0030] Please refer to Figures 1 to 3 , the first embodiment of the present invention is: Figure 1 and Figure 2As shown, a display screen with a metal frame includes a bottom shell 1 and a screen assembly 2, wherein the bottom shell 1 includes a metal frame 11, and the inner wall of the metal frame 11 has a supporting protrusion 12 extending inwardly. Optionally, the metal frame 11 and the supporting protrusion 12 are an integral structure formed by integral processing; the screen assembly 2 is placed in the bottom shell 1 and supported by the supporting protrusion 12, and the top surface of the supporting protrusion 12 is provided with a glue groove 13, and the metal frame 11 includes a first side 111 and a second side 112 arranged opposite to each other, and the outer wall of the first side 111 has a glue injection hole 113 connected to the glue groove 13, and the outer wall of the second side 112 has a glue injection hole 113 connected to the glue groove 13. There is an exhaust hole 114 connected to the glue groove 13, and the exhaust hole 114 is arranged at an angle. The end of the exhaust hole 114 away from the glue groove 13 is an exhaust port 1141 (that is, the connection point between the exhaust hole 114 and the outer wall of the second side 112), and the lower edge of the exhaust port 1141 is higher than the top surface of the supporting protrusion 12. The depth of the glue groove 13 gradually increases from the area connected to the glue injection hole 113 to the area connected to the exhaust hole 114. That is to say, the bottom surface of the glue groove 13 is a sloped surface, and the glue groove 13 is used to pour glue that contacts the bottom surface of the screen body assembly 2, so that the screen body and the supporting protrusion 12 can be bonded and fixed.

[0031] The top surface of the glue injection hole 113 is lower than the top surface of the supporting protrusion 12 , which ensures that all the glue can be injected into the glue groove 13 without entering the gap between the screen assembly 2 and the inner wall of the first side 111 .

[0032] The glue injection hole 113 is set corresponding to the middle area of ​​the first side 111, and the exhaust hole 114 is set corresponding to the middle area of ​​the second side 112. In this way, the two paths of glue can flow the same distance in the glue groove 13, thereby avoiding the phenomenon that one path of glue flows to the exhaust hole 114 while the other path of glue has not yet reached the exhaust hole 114, which in turn causes a local lack of glue in the glue groove 13.

[0033] The glue groove 13 is arranged close to the metal frame 11, so that the top surface area of ​​the supporting protrusion 12 located inside the glue groove 13 has a sufficient width, thereby preventing the glue in the glue groove 13 from overflowing into the bottom shell 1, so that other electronic devices installed in the bottom shell 1 are contaminated.

[0034] A transition groove 121 is provided in the region of the support ridge 12 between the adhesive groove 13 and the inner wall of the second side edge 112. The transition groove 121 communicates with the top surface of the support ridge 12 and the exhaust hole 114 and the adhesive groove 13. Except for the region of the transition groove 121, the edges of the bottom surface of the screen assembly 2 are supported by the support ridge 12, allowing the edges of the screen assembly 2 to withstand a certain amount of pressure, thereby reducing the risk of damage to the screen assembly 2 during user use. The adhesive solidified in the transition groove 121 can contact the bottom surface of the screen assembly 2, thereby increasing the bonding area of ​​the screen assembly 2 and improving the connection strength between the screen assembly 2 and the bottom shell 1.

[0035] In order to facilitate the assembly of the screen assembly 2 and the bottom shell 1 in the display screen with a metal frame, this embodiment further provides a gluing device, which is used to glue the display screen with a metal frame.

[0036] like Figure 3As shown, the glue-spraying device includes a table 3, a first positioning bar 41, a second positioning bar 42, a third positioning bar 43, a fourth positioning bar 44, a first driving member 51, a second driving member 52, a third driving member 53 and a glue injection head 54, the first positioning bar 41 and the second positioning bar 42 are arranged opposite to each other, and the third positioning bar 43 and the fourth positioning bar 44 are arranged opposite to each other, the table 3 has a placement area for placing the display screen, the first positioning bar 41, the second positioning bar 42, the third positioning bar 43 and the fourth positioning bar 44 are arranged around the placement area, the first positioning bar 41, the second positioning bar 42, the third positioning bar 43 and the fourth positioning bar 44 are all made of heat-conducting material, the first positioning bar 41, the second positioning bar 42, the third positioning bar 43 and the fourth positioning bar 44 are respectively embedded with a heating element 6, the second positioning bar 42 and the third positioning bar 43 are fixed on the table 3, the second positioning bar 42 is provided with an exhaust groove 421, when the second positioning bar 42 is aligned with the second side of the display screen When the outer wall of the edge 112 contacts, the exhaust groove 421 is connected to the exhaust hole 114, so that the air in the glue groove 13 can be discharged smoothly. The second driving member 52 is provided on the table 3 and connected to the fourth positioning bar 44 to drive the fourth positioning bar 44 to approach or move away from the third positioning bar 43. The first driving member 51 is provided on the table 3 and connected to the first positioning bar 41 to drive the first positioning bar 41 to approach or move away from the second positioning bar 42. The third driving member 53 It is arranged on the table 3 and connected to the glue injection head 54 to drive the glue injection head 54 close to or away from the second positioning bar 42. The first positioning bar 41 is provided with an avoidance groove 411. When the first positioning bar 41 contacts the outer wall of the first side 111 of the display screen, the avoidance groove 411 is connected to the glue injection hole 113. The glue injection head 54 is located in the avoidance groove 411 and the glue injection port 541 of the glue injection head 54 extends into the glue injection hole 113 on the first side 111.

[0037] In one or more embodiments, the first driving member 51 , the second driving member 52 , and the third driving member 53 are cylinders or electric push rods.

[0038] Optionally, the heating element 6 is a heating resistance wire, and the heat generated by the heating element 6 is transferred to the metal frame 11 via the first positioning bar 41 / the second positioning bar 42 / the third positioning bar 43 / the fourth positioning bar 44, and then absorbed by the glue flowing in the glue groove 13.

[0039] In this embodiment, the first positioning bar 41, the second positioning bar 42, the third positioning bar 43, and the fourth positioning bar 44 are all made of iron alloy. In other embodiments, the first positioning bar 41, the second positioning bar 42, the third positioning bar 43, and the fourth positioning bar 44 can also be made of other materials with good thermal conductivity.

[0040] Preferably, the heating element 6 is arranged corresponding to the glue groove 13. Specifically, the distance between the heating element 6 and the top surface of the table 3 is substantially the same as the distance between the glue groove 13 and the top surface of the table 3, so that the heat generated by the heating element 6 can be better transferred to the glue groove 13, which helps to reduce heat energy waste.

[0041] The gluing device also includes a screen pressing mechanism 7, which includes a connected downward pressing drive 71 and a downward pressing plate 72. The downward pressing drive 71 drives the downward pressing plate 72 to rise and fall. The downward pressing plate 72 is located directly above the placement area. The downward pressing drive 71 can be an air cylinder, an electric push rod, etc.

[0042] When injecting glue, the staff first places the display screen with the pre-installed screen assembly 2 on the placement area on the table 3, and then starts the glue injection device. The first driving member 51 drives the first positioning bar 41 to move toward the direction close to the second positioning bar 42, and the second driving member 52 drives the fourth positioning bar 44 to move toward the direction close to the third positioning bar 43. The first positioning bar 41, the second positioning bar 42, the third positioning bar 43 and the fourth positioning bar 44 all contact the outer wall of the metal frame 11, so that the display screen is accurately positioned in the placement area. Then the downward driving member 71 drives the downward pressing plate 72 to press down the screen assembly 2, so that the bottom surface of the screen assembly 2 and the top surface of the supporting protrusion 12 form a nearly sealed state. Finally, the third driving member 53 drives the glue injection head 54 to move toward the direction close to the second positioning bar 42, so that the glue injection port 541 of the glue injection head 54 is inserted into the glue injection hole 113, and then glue is injected. At the same time, the heating element 6 keeps heating until the glue liquid is observed at the exhaust port 1141 and the glue injection is stopped.

[0043] The above are only optional embodiments of the present invention and do not limit the patent scope of the present invention. All equivalent structural transformations made by using the contents of the present invention description and drawings under the inventive concept of the present invention, or direct / indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A display screen with a metal frame, characterized in that: It includes a bottom shell and a screen assembly, the bottom shell includes a metal frame, the inner wall of the metal frame has a supporting protrusion extending inward, the screen assembly is placed in the bottom shell and supported by the supporting protrusion, the top surface of the supporting protrusion is provided with a glue groove, the metal frame includes a first side edge and a second side edge arranged opposite to each other, the outer wall of the first side edge has a glue injection hole connected to the glue groove, the outer wall of the second side edge has an exhaust hole connected to the glue groove, the exhaust hole is arranged at an angle, the end of the exhaust hole away from the glue groove is an exhaust port, the lower edge of the exhaust port is higher than the top surface of the supporting protrusion, the depth of the glue groove gradually increases from the area connected to the glue injection hole to the area connected to the exhaust hole, and the glue groove is used to pour glue that contacts the bottom surface of the screen assembly.

2. The display screen with a metal frame according to claim 1, wherein: The top surface of the glue injection hole is lower than the top surface of the supporting protrusion.

3. The display screen with a metal frame according to claim 1, wherein: The glue injection hole is arranged corresponding to the middle area of ​​the first side.

4. The display screen with a metal frame according to claim 1, wherein: The glue groove is arranged close to the metal frame.

5. The display screen with a metal frame according to claim 1, wherein: A transition groove is provided in the supporting protrusion area between the glue groove and the inner wall of the second side, and the transition groove is connected to the top surface of the supporting protrusion, and the transition groove is connected to the exhaust hole and the glue groove.

6. Gluing device, used for gluing the display screen, characterized by: The display screen is a display screen with a metal frame as described in any one of claims 1 to 5; the gluing device includes a table, a first positioning bar, a second positioning bar, a third positioning bar, a fourth positioning bar, a first driving member, a second driving member, a third driving member and a glue injection head, the first positioning bar and the second positioning bar are arranged opposite to each other, the third positioning bar and the fourth positioning bar are arranged opposite to each other, the table has a placement area for placing the display screen, the first positioning bar, the second positioning bar, the third positioning bar and the fourth positioning bar are arranged around the placement area, the first positioning bar, the second positioning bar, the third positioning bar and the fourth positioning bar are all made of heat-conducting material, the first positioning bar, the second positioning bar, the third positioning bar and the fourth positioning bar are respectively embedded with heating elements, the second positioning bar and the third positioning bar are fixed on the table, and the second positioning bar is fixed on the An exhaust groove is provided. When the second positioning bar contacts the outer wall of the second side of the display screen, the exhaust groove is connected to the exhaust hole. The second driving member is provided on the table and connected to the fourth positioning bar to drive the fourth positioning bar close to or away from the third positioning bar. The first driving member is provided on the table and connected to the first positioning bar to drive the first positioning bar close to or away from the second positioning bar. The third driving member is provided on the table and connected to the glue injection head to drive the glue injection head close to or away from the second positioning bar. An avoidance groove is provided on the first positioning bar. When the first positioning bar contacts the outer wall of the first side of the display screen, the avoidance groove is connected to the glue injection hole. The glue injection head is located in the avoidance groove and the glue injection port of the glue injection head extends into the glue injection hole on the first side.

7. The gluing device according to claim 6, characterized in that: The heating element is a heating resistance wire.

8. The gluing device according to claim 6, characterized in that: The first positioning bar, the second positioning bar, the third positioning bar and the fourth positioning bar are all made of iron alloy.

9. The gluing device according to claim 6, characterized in that: The heating element is arranged corresponding to the glue groove.

10. The gluing device according to claim 6, characterized in that: It also includes a screen pressing mechanism, which includes a connected downward pressing drive member and a downward pressing plate. The downward pressing drive member drives the downward pressing plate to move up and down, and the downward pressing plate is located directly above the placement area.

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