CN216857120U - Display screen substrate positioning device and display screen substrate coating equipment - Google Patents
Display screen substrate positioning device and display screen substrate coating equipment Download PDFInfo
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- CN216857120U CN216857120U CN202220245485.0U CN202220245485U CN216857120U CN 216857120 U CN216857120 U CN 216857120U CN 202220245485 U CN202220245485 U CN 202220245485U CN 216857120 U CN216857120 U CN 216857120U
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Abstract
The utility model relates to a display screen base plate positioner and display screen base plate coating equipment, wherein, display screen base plate positioner includes positioning seat and locating component, be formed with the vacuum chamber in the positioning seat, be formed with the external hole with the vacuum chamber intercommunication on the positioning seat, external hole is used for and negative pressure air supply intercommunication, still be formed with the vacuum hole with the vacuum chamber intercommunication on the positioning seat, the positioning seat has the adsorption plane that is used for adsorbing the display screen base plate, the vacuum hole is located the adsorption plane, locating component installs in the positioning seat, locating component includes two at least location structure, location structure sets up to stretch out in the adsorption plane or withdrawal positioning seat, two at least location structure are used for respectively with the different side edge contact of display screen base plate when stretching out in the adsorption plane. This disclosure utilizes location structure and the absorbent combination of negative pressure, carries out accurate location to the display screen base plate, and can avoid causing the damage to the display screen base plate.
Description
Technical Field
The disclosure relates to the technical field of display, in particular to a display screen substrate positioning device and display screen substrate coating equipment.
Background
With the mature LED display technology, the attraction of the display effect of the flat hard board is gradually reduced, and since the first 0.01mm flexible display screen appears in the world in 2014, the display technology is widely popularized and applied in a plurality of display fields such as intelligent mobile terminals, intelligent transportation, furniture, office education and the like.
After the flexible screen and the folding screen are in the world, the flexible protective substrate is required to be selected as the substrate of the protective cover plate to meet the bending and folding functions of the display screen. And as the flexible screen and the folding screen gradually move into the public vision, the shape of the substrate is also gradually diversified, at present, the traditional positioning device cannot position the flexible substrate or has larger positioning error, and the flexible substrate is easily damaged, so that the subsequent coating is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a display screen base plate positioner and display screen base plate coating equipment utilizes location structure and the absorbent combination of negative pressure, carries out accurate location to the display screen base plate, and can avoid causing the damage to the display screen base plate.
In order to achieve the purpose, the disclosure provides a display screen substrate positioning device, which comprises a positioning seat and a positioning assembly, wherein a vacuum chamber is formed in the positioning seat, an external connection hole communicated with the vacuum chamber is formed in the positioning seat, the external connection hole is used for being communicated with a negative pressure air source, a vacuum hole communicated with the vacuum chamber is further formed in the positioning seat, the positioning seat is provided with an adsorption surface used for adsorbing a display screen substrate, the vacuum hole is located on the adsorption surface, the positioning assembly is installed in the positioning seat, the positioning assembly comprises at least two positioning structures, the positioning structures are arranged to stretch out of the adsorption surface or retract into the positioning seat, and the positioning structures are used for respectively contacting with different side edges of the display screen substrate when stretching out of the adsorption surface.
Optionally, the positioning seat includes base and upper plate, be formed with groove structure on the base, external hole forms on the base, groove structure with external hole intercommunication, locating component installs on the base, the upper plate is installed on the base, the upper plate with groove structure prescribes a limit to jointly the vacuum chamber, the vacuum hole forms on the upper plate, the adsorption plane is for the upper plate is kept away from groove structure's surface.
Optionally, an annular gasket groove is formed in the surface of the base facing the upper plate, a gasket is installed in the annular gasket groove, and the gasket is located between the base and the upper plate.
Optionally, the positioning structure includes a cylinder and a thimble, a mounting hole for mounting the cylinder is formed in the positioning seat, the cylinder is used for communicating with a positive pressure gas source, the thimble is connected with the telescopic end of the cylinder, a through hole is formed in the positioning seat, the through hole is located on the adsorption surface, the thimble penetrates through the through hole, and the cylinder is used for driving the thimble to extend out or retract into the through hole.
Optionally, the positioning structure further includes a threaded connection portion connected to the cylinder, the mounting hole is a threaded hole, and the threaded connection portion is connected to the threaded hole.
Optionally, a sealing tape is wound around an outer circumferential surface of the threaded connection portion.
Optionally, an avoiding cavity is formed on the positioning seat, the mounting hole is communicated with the avoiding cavity, and an orthographic projection of the mounting hole on a plane where the avoiding cavity is located in the avoiding cavity.
Optionally, the number of the positioning structures in contact with the first side edge of the display screen substrate is multiple, the number of the positioning structures in contact with the second side edge of the display screen substrate is multiple, and the first side edge is adjacent to the second side edge.
Optionally, the number of the vacuum holes is multiple, and the multiple vacuum holes are arranged on the adsorption surface in an array.
The present disclosure also provides a display screen substrate coating apparatus, which includes the display screen substrate positioning device.
Through above-mentioned technical scheme, utilize location structure and the absorbent combination of negative pressure, carry out accurate location to the display screen base plate, and can avoid causing the damage to the display screen base plate. Wherein, location structure stretches out the different side edge contact of adsorption plane and display screen base plate to fix a position the display screen base plate, through the negative pressure effect in vacuum hole behind the display screen base plate location, fix the display screen base plate on the adsorption plane, in order to carry out follow-up coating process, and location structure can also be fixed on the adsorption plane at the display screen base plate in the back retraction positioning seat, in order to avoid location structure to cause the interference to follow-up coating process.
Additional features and advantages of the disclosure will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:
FIG. 1 is a first isometric view of a display screen substrate positioning apparatus of one embodiment provided by the present disclosure;
FIG. 2 is a second isometric view of a display screen substrate positioning device of one embodiment provided by the present disclosure;
FIG. 3 is a block diagram of a base of one embodiment provided by the present disclosure;
FIG. 4 is a block diagram of an upper plate of one embodiment provided by the present disclosure;
FIG. 5 is a first connection pattern of a base and positioning structure according to one embodiment of the present disclosure;
FIG. 6 is a second connection block diagram of a base and positioning structure according to one embodiment of the present disclosure;
FIG. 7 is a block diagram of a positioning structure according to one embodiment of the present disclosure;
fig. 8 is a structural diagram of a bearing plate according to an embodiment provided by the present disclosure.
Description of the reference numerals
10-a display screen substrate positioning device;
11-a positioning seat; 111-a base; 113-a groove structure; 115-upper plate; 117-annular gasket groove; 119-a through hole; 121-avoiding the chamber; 123-mounting holes;
13-a vacuum chamber;
15-external connection hole;
17-vacuum holes;
19-a positioning structure; 191-cylinder; 193-ejector pin; 195-a threaded connection;
21-a carrier plate; 211-a load bearing upper plate; 213-carrying lower plate; 215-auxiliary positioning holes;
23-special-shaped display screen substrate.
Detailed Description
The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.
In the present disclosure, unless otherwise specified, the use of directional terms such as "upper, lower, left, and right" are generally defined in the direction of the drawing plane of the drawings, and "inner and outer" refer to the inner and outer of the relevant component parts. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present disclosure, it is also to be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present disclosure can be understood in specific instances by those of ordinary skill in the art.
As shown in fig. 1 to 7, the present disclosure provides a display screen substrate positioning apparatus 10, including a positioning seat 11 and a positioning assembly, a vacuum chamber 13 is formed in the positioning seat 11, an external hole 15 communicated with the vacuum chamber 13 is formed on the positioning seat 11, the external hole 15 is used for communicating with a negative pressure air source, a vacuum hole 17 communicated with the vacuum chamber 13 is further formed on the positioning seat 11, the positioning seat 11 has an adsorption surface for adsorbing a display screen substrate, the vacuum hole 17 is located on the adsorption surface, the positioning assembly is installed in the positioning seat 11, the positioning assembly includes at least two positioning structures 19, the positioning structures 19 are configured to be capable of extending out of the adsorption surface or retracting into the positioning seat 11, and at least two positioning structures 19 are used for respectively contacting with different side edges of the display screen substrate when extending out of the adsorption surface.
Through above-mentioned technical scheme, location structure 19 stretches out the different side edge contact of adsorption plane and display screen base plate to fix a position the display screen base plate, through vacuum hole 17's negative pressure effect behind the display screen base plate location, fix the display screen base plate on the adsorption plane, in order carrying out follow-up coating process, wherein, location structure 19 can also be fixed on the adsorption plane at the display screen base plate in the back retraction positioning seat 11, in order to avoid causing the interference to follow-up coating process.
In the present disclosure, the display substrate includes, but is not limited to, a transparent cover plate, a flexible cover plate, an ultra-thin cover plate, a PF, and other flexible substrates.
The present disclosure does not limit the design material of the display screen substrate positioning device 10, and preferably selects a hard material such as aluminum alloy, bakelite, acryl or ABS with high hardness and strength.
Optionally, the positioning seat 11 includes a base 111 and an upper plate 115, a groove structure 113 is formed on the base 111, the external connection hole 15 is formed on the base 111, the groove structure 113 is communicated with the external connection hole 15, the positioning assembly is mounted on the base 111, the upper plate 115 and the groove structure 113 together define the vacuum chamber 13, the vacuum hole 17 is formed on the upper plate 115, and the adsorption surface is a surface of the upper plate 115 away from the groove structure 113.
Through the technical scheme, the upper plate 115 covers the opening of the groove structure 113 to form the vacuum chamber 13, the external connection hole 15 and the vacuum hole 17 are respectively communicated with the vacuum chamber 13, and after the external connection hole 15 is communicated with a negative pressure air source, the display screen substrate placed on the adsorption surface can be adsorbed and fixed on the upper plate 115 under the action of negative pressure.
In an embodiment of the present disclosure, a lower counter bore is further disposed on the upper plate 115, and a hexagon bolt passes through the lower counter bore and a connection hole or a threaded hole on the base 111 to fix the upper plate 115 on the base 111, wherein the hexagon bolt passes through the lower counter bore and is completely sunk in the lower counter bore, that is, a bolt surface of the hexagon bolt is lower than an absorption surface on the upper plate 115.
In one embodiment of the present disclosure, the external connection hole 15 is an L-shaped structure, and the external connection hole 15 is formed as a horizontal air path and a vertical air path, which are communicated with each other.
In one embodiment of the present disclosure, the external connection hole 15 is communicated with a negative pressure air source adapter or a negative pressure air source pipe.
Alternatively, an annular gasket groove 117 is formed on the surface of the base 111 facing the upper plate 115, and a gasket is installed in the annular gasket groove 117 and is located between the base 111 and the upper plate 115.
Through the technical scheme, the sealing performance between the base 111 and the upper plate 115 can be ensured by the arrangement of the sealing gasket, and the sealing effect of the vacuum chamber 13 is further ensured.
The specific material of the gasket is not limited in the present disclosure, and a soft rubber ring is preferable.
In one embodiment of the present disclosure, glue is applied to the inner surface of the annular gasket groove 117, and the gasket is embedded in the annular gasket groove 117 and is tamped uniformly, so that the gasket is bonded to the annular gasket groove 117 in a sealing manner.
In an embodiment of the present disclosure, the position of the upper plate 115 corresponding to the sealing pad is also coated with glue, so that the sealing pad is hermetically bonded to the upper plate 115.
In one embodiment of the present disclosure, a gasket groove is formed on a surface of the upper plate 115 facing the base 111, and a gasket can be embedded in the gasket groove.
Optionally, the positioning structure 19 includes a cylinder 191 and a thimble 193, a mounting hole for mounting the cylinder 191 is formed in the positioning seat 11, the cylinder 191 is used for communicating with a positive pressure gas source, the thimble 193 is connected with a telescopic end of the cylinder 191, a through hole 119 is formed in the positioning seat 11, the through hole 119 is located on the adsorption surface, the thimble 193 is disposed through the through hole 119, and the cylinder 191 is used for driving the thimble 193 to extend out of or retract into the through hole 119.
Through above-mentioned technical scheme, thimble 193 can stretch out through-hole 119 and the contact of the different side edges of display screen base plate under the drive of cylinder 191 to fix a position the display screen base plate, simultaneously, thimble 193 can also retract through-hole 119 under the drive of cylinder 191, in order to avoid causing the interference to follow-up coating process.
In one embodiment of the present disclosure, the cylinder 191 is a needle cylinder, and the needle cylinder 191 can be extended and contracted by injecting positive pressure gas.
In one embodiment of the present disclosure, the diameter of the through hole 119 is larger than the outer diameter of the thimble 193, and the thimble 193 is driven by the cylinder 191 to move in the through hole 119.
In one embodiment of the present disclosure, a mounting hole for mounting the cylinder 191 is formed on the base 111, and the cylinder 191 is fittingly mounted in the mounting hole on the base 111.
Optionally, the positioning structure 19 further includes a threaded portion 195 connected to the cylinder 191, the mounting hole is a threaded hole, and the threaded portion 195 is connected to the threaded hole.
Through the above technical solution, the threaded connection portion 195 is in threaded fit with the threaded hole to fix the cylinder 191 on the base 111.
Alternatively, a sealing tape is wound on an outer circumferential surface of the threaded connection part 195.
Through the technical scheme, the sealing adhesive tape wound on the outer peripheral surface of the threaded connecting part 195 can avoid the sliding between the threaded connecting part 195 and the threaded hole, so that the assembly is more stable and accurate, and meanwhile, the sealing performance between the threaded connecting part 195 and the threaded hole can be ensured.
Optionally, an avoiding chamber 121 is formed on the positioning seat 11, the mounting hole is communicated with the avoiding chamber 121, and an orthographic projection of the mounting hole on a plane where the avoiding chamber 121 is located in the avoiding chamber 121.
Through the technical scheme, the arrangement of the avoiding cavity 121 can facilitate the assembly of the positioning structure 19 and can also accommodate parts such as air pipes communicated with the air cylinder 191.
In one embodiment of the present disclosure, an evacuation chamber 121 is formed on a side of the base 111 facing away from the upper plate 115.
Optionally, the number of the positioning structures 19 contacting with the first side edge of the display screen substrate is multiple, and the number of the positioning structures 19 contacting with the second side edge of the display screen substrate is multiple, wherein the first side edge is adjacent to the second side edge.
Through above-mentioned technical scheme, utilize the edge contact in the different sides of location structure 19 and display screen base plate, fix a position the display screen base plate, the precision of location can be improved in a plurality of location structure's setting.
In one embodiment of the present disclosure, the plurality of positioning structures 19 are arranged along the circumferential direction of the vacuum chamber 13, when the display screen substrate is rectangular, the plurality of positioning structures 19 are arranged in an L-shaped array, and when the display screen substrate is a special-shaped structure, the plurality of positioning structures 19 are arranged according to the effective supporting points of the display screen substrate.
Alternatively, the number of the vacuum holes 17 is plural, and the plural vacuum holes 17 are arranged in an array on the adsorption surface.
In one embodiment of the present disclosure, the region of the upper plate 115 where the vacuum holes 17 are formed corresponds to the opening of the groove structure 113.
Through above-mentioned technical scheme, a plurality of vacuum hole 17 arrays are arranged on the adsorption plane, can guarantee that the negative pressure of different positions department on the adsorption plane is even, appear the risk of deformation when reducing the display screen base plate location, avoid causing the damage to the display screen base plate.
It is understood that the display panel substrate positioning device 10 of the present disclosure may also be used for positioning a display panel substrate in processes such as spraying, cutting, polishing, etc.
The present disclosure further provides a display screen substrate coating apparatus, which includes the display screen substrate positioning device 10.
In one embodiment of the present disclosure, the photosensitivity and conductivity of the display panel substrate can be achieved by performing a precision coating on the display panel substrate, and specifically, the special paint is precisely coated on the display panel substrate to form a circuit and a sensing region, so that the display panel substrate has the photosensitivity and conductivity, or both the photosensitivity and the conductivity.
In an embodiment of the present disclosure, for the positioning of the special-shaped display screen substrate 23 in the coating process, as shown in fig. 8, the display screen substrate positioning device 10 may further include a bearing plate 21, the bearing plate 21 includes a bearing upper plate 211 and a bearing lower plate 213 which are stacked, a penetrating auxiliary positioning hole 215 is provided on the bearing plate 21, the thimble 193 can be inserted into the auxiliary positioning hole 215, a display screen substrate accommodating cavity for accommodating the special-shaped display screen substrate 23 is provided on the bearing upper plate 211, wherein the shape and the size of the display screen substrate accommodating cavity are the same as those of the special-shaped display screen substrate 23.
In the coating process of the special-shaped display screen substrate 23, the special-shaped display screen substrate 23 is placed in the display screen substrate accommodating cavity and attached to the bottom of the display screen substrate accommodating cavity, the coating surface of the special-shaped display screen substrate 23 deviates from the bottom of the display screen substrate accommodating cavity, during positioning, the air cylinder 191 drives the thimble 193 to extend out of the adsorption surface and penetrate through the auxiliary positioning hole 215, the bearing plate 21 can be adsorbed and fixed on the upper plate 115 under the action of negative pressure, and therefore positioning of the special-shaped display screen substrate 23 in the coating process is achieved. The positioning structure 19 can also be retracted into the positioning seat 11 after the carrier plate 21 is fixed on the absorption surface, so as to avoid interference to the subsequent coating process.
The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.
It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.
In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.
Claims (10)
1. A display screen substrate positioning device, comprising:
the vacuum chamber (13) is formed in the positioning seat (11), an external connection hole (15) communicated with the vacuum chamber (13) is formed in the positioning seat (11), the external connection hole (15) is used for being communicated with a negative pressure air source, a vacuum hole (17) communicated with the vacuum chamber (13) is further formed in the positioning seat (11), the positioning seat (11) is provided with an adsorption surface used for adsorbing a display screen substrate, and the vacuum hole (17) is located on the adsorption surface;
the positioning assembly is installed in the positioning seat (11) and comprises at least two positioning structures (19), the positioning structures (19) are arranged to extend out of the adsorption surface or retract into the positioning seat (11), and the at least two positioning structures (19) are used for respectively contacting with different side edges of the display screen substrate when extending out of the adsorption surface.
2. The display screen substrate positioning device according to claim 1, wherein the positioning seat (11) comprises:
the base (111), a groove structure (113) is formed on the base (111), the external connection hole (15) is formed on the base (111), the groove structure (113) is communicated with the external connection hole (15), and the positioning assembly is installed on the base (111);
an upper plate (115) mounted on the base (111), the upper plate (115) and the groove structure (113) together defining the vacuum chamber (13), the vacuum holes (17) being formed on the upper plate (115), and the adsorption surface being a surface of the upper plate (115) away from the groove structure (113).
3. The display screen substrate positioning device according to claim 2, wherein an annular gasket groove (117) is formed on the surface of the base (111) facing the upper plate (115), and a gasket is mounted in the annular gasket groove (117) and located between the base (111) and the upper plate (115).
4. The display screen substrate positioning device according to any one of claims 1 to 3, wherein the positioning structure (19) comprises a cylinder (191) and a thimble (193), a mounting hole (123) for mounting the cylinder (191) is formed in the positioning seat (11), the cylinder (191) is used for communicating with a positive pressure gas source, the thimble (193) is connected with a telescopic end of the cylinder (191), a through hole (119) is formed in the positioning seat (11), the through hole (119) is located on the adsorption surface, the thimble (193) is inserted into the through hole (119), and the cylinder (191) is used for driving the thimble (193) to extend out or retract into the through hole (119).
5. The display screen substrate positioning device according to claim 4, wherein the positioning structure (19) further comprises a threaded connection portion (195) connected with the cylinder (191), the mounting hole (123) is a threaded hole, and the threaded connection portion (195) is connected with the threaded hole.
6. The display screen substrate positioning device according to claim 5, wherein a sealing tape is wound around an outer circumferential surface of the threaded connection portion (195).
7. The display screen substrate positioning device according to claim 4, wherein an avoiding chamber (121) is formed on the positioning seat (11), the mounting hole (123) is communicated with the avoiding chamber (121), and an orthographic projection of the mounting hole (123) on a plane where the avoiding chamber (121) is located in the avoiding chamber (121).
8. The display panel substrate positioning apparatus according to claim 1, wherein the number of positioning structures (19) in contact with a first side edge of the display panel substrate is plural, and the number of positioning structures (19) in contact with a second side edge of the display panel substrate is plural, the first side edge being adjacent to the second side edge.
9. The display screen substrate positioning device according to claim 1, wherein the number of the vacuum holes (17) is plural, and the plural vacuum holes (17) are arranged in an array on the adsorption surface.
10. A display panel substrate coating apparatus comprising the display panel substrate positioning device according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220245485.0U CN216857120U (en) | 2022-01-29 | 2022-01-29 | Display screen substrate positioning device and display screen substrate coating equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220245485.0U CN216857120U (en) | 2022-01-29 | 2022-01-29 | Display screen substrate positioning device and display screen substrate coating equipment |
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| Publication Number | Publication Date |
|---|---|
| CN216857120U true CN216857120U (en) | 2022-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220245485.0U Active CN216857120U (en) | 2022-01-29 | 2022-01-29 | Display screen substrate positioning device and display screen substrate coating equipment |
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| Country | Link |
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| CN (1) | CN216857120U (en) |
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- 2022-01-29 CN CN202220245485.0U patent/CN216857120U/en active Active
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