Adsorption jig

Abstract

The utility model discloses an adsorption jig which comprises adsorption units, wherein one surfaces of at least two adsorption units are opposite to each other. According to the adsorption jig, the adsorption jig composed of at least two adsorption units is arranged, and a plurality of adsorption holes are formed, so that a to-be-detected product can be adsorbed on the surface of the adsorption jig, and the four corners of the adsorbed to-be-detected product can be exposed under the action of the jig inclined surfaces arranged on the side surfaces of the adsorption units; and under the action that the inclined surface of the jig inclines from the outer ends of the adsorption units to the connecting part of the at least two adsorption units, the four corners can be stably exposed no matter how the size of the to-be-detected product changes, the size of the adsorption jig does not need to be changed according to the size of the to-be-detected product, the production efficiency is improved, and the production cost is reduced. The problems that when a traditional adsorption jig is used for adsorbing liquid crystal pieces of different sizes, adsorption jigs of corresponding sizes need to be replaced, time and labor are wasted, the production efficiency is affected, and equipment is prone to being damaged are avoided.

Description

Technical Field

[0001] This utility model relates to the field of adsorption fixture technology, specifically an adsorption fixture. Background Technology

[0002] A polarizer, also known as a polarizing film, is essential for the imaging of LCD screens in devices like mobile phones and tablets. Two polarizers are attached to both sides of the LCD glass to form a liquid crystal sheet with a thickness of about 1 millimeter. After attaching the polarizers to both sides of the LCD glass, the sheet needs to be inspected to prevent misalignment or displacement. This includes inspecting the edges and corners to screen out defective products and ensure the quality of the finished product.

[0003] Traditional adsorption fixtures typically use multiple suction cups to directly adsorb objects for transport. However, this method cannot adsorb liquid crystal sheets to a flat surface, affecting the detection of edges and corners. Therefore, a planar adsorption fixture is needed to adsorb liquid crystal sheets.

[0004] A Chinese utility model patent CN211238283U discloses an LED printing fixture. This fixture has several adsorption holes on its first outer surface. Negative pressure is generated at these holes to adsorb the product, ensuring it is flattened. However, because different models of LCD panels have different sizes, and the corners of the panels need to be exposed, fixtures suitable for adsorbing large-sized LCD panels will obstruct the corners when adsorbing small-sized panels. Conversely, fixtures suitable for adsorbing small-sized LCD panels will only adsorb the center of large-sized panels, leaving the edges and corners unadsorbed. This necessitates changing to a different sized fixture when adsorbing LCD panels of different sizes, which is time-consuming, labor-intensive, and affects production efficiency, and can easily damage the equipment. Utility Model Content

[0005] In view of the problem that traditional adsorption fixtures in the prior art require changing to adsorption fixtures of corresponding sizes when adsorbing liquid crystal sheets of different sizes, which is time-consuming, labor-intensive, affects production efficiency, and is prone to equipment damage, this utility model provides an adsorption fixture.

[0006] The present invention discloses an adsorption fixture comprising adsorption units, wherein at least two adsorption units are arranged at equal angles relative to the midpoint of the face, and the adsorption units are provided with a plurality of adsorption holes that connect the outside to the inner cavity of the adsorption unit, and the adsorption holes generate negative pressure to adsorb the product to be tested. The two sides of the adsorption units are inclined surfaces of the fixture, and are inclined from the outer end of the adsorption units toward the face of the at least two adsorption units facing each other.

[0007] Preferably, the adsorption unit has a negative pressure groove in its inner cavity, and the adsorption hole connects the outside to the negative pressure groove.

[0008] Preferably, the negative pressure tank has a first opening that connects the negative pressure tank to the outside, and the first opening is located on the side of the adsorption unit away from the opposite sides of at least two of the adsorption units.

[0009] Preferably, the negative pressure groove has a second opening that connects the negative pressure groove to the outside, and the second opening is located on the inclined surface of the fixture.

[0010] Preferably, the adsorption unit has a light-transmitting opening at one end away from the opposite surfaces of at least two adsorption units.

[0011] Preferably, the two adsorption units are arranged in an "X" shape to adsorb the product to be tested.

[0012] Preferably, the light-transmitting opening is V-shaped.

[0013] Preferably, the angle of the light-transmitting opening is thirty-two degrees.

[0014] Preferably, the angle between two adjacent inclined surfaces of the fixture is 148 degrees.

[0015] Preferably, an adsorption fixture further includes a buffer member, which is connected to the side of the adsorption unit where the adsorption unit is located, and the adsorption hole penetrates the buffer member.

[0016] Compared with the prior art, the present invention provides an adsorption fixture with the following beneficial effects:

[0017] This adsorption fixture, composed of at least two adsorption units and multiple adsorption holes, allows the product to be adsorbed onto its surface. The inclined surfaces on the sides of the adsorption units ensure that the four corners of the adsorbed product are exposed. Furthermore, the inclined surfaces slope from the outer ends of the adsorption units towards the connection point between the two units, ensuring that the four corners remain consistently exposed regardless of changes in the product's size. This eliminates the need to change the fixture size based on the product's dimensions, improving production efficiency. It also avoids the time-consuming and labor-intensive process of traditional adsorption fixtures, which require changing fixtures to the appropriate size for different sizes of LCD panels, thus reducing production efficiency and potentially causing equipment damage. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of this utility model;

[0019] Figure 2 This is another structural schematic diagram of the present invention;

[0020] Figure 3 This is a schematic diagram of the negative pressure groove structure of this utility model;

[0021] Figure 4 This is a schematic diagram of the adsorption state structure of this utility model.

[0022] In the attached diagram, 2211 is the adsorption unit; 2212 is the buffer element.

[0023] 22111, Adsorption hole; 22112, Fixture bevel; 22113, Negative pressure groove; 22114, Light-transmitting opening;

[0024] 221131, First opening; 221132, Second opening. Detailed Implementation

[0025] The embodiments of this disclosure will now be described in detail with reference to the accompanying drawings.

[0026] The following specific examples illustrate the implementation of this disclosure. Those skilled in the art can easily understand other advantages and effects of this disclosure from the content disclosed in this specification. Obviously, the described embodiments are only a part of the embodiments of this disclosure, and not all of them. This disclosure can also be implemented or applied through other different specific embodiments, and the details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of this disclosure. It should be noted that, in the absence of conflict, the following embodiments and features in the embodiments can be combined with each other. Based on the embodiments in this disclosure, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this disclosure.

[0027] Reference Figures 1-2 , Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is another structural schematic diagram of the present invention. An adsorption fixture includes adsorption units 2211, with at least two adsorption units 2211 having one face facing each other and being set at equal angles relative to the midpoint of this face. The adsorption units 2211 have a plurality of adsorption holes 22111 that connect the outside world to the inner cavity of the adsorption unit 2211, and the adsorption holes 22111 generate negative pressure to adsorb the product to be tested. The two sides of the adsorption units 2211 are fixture inclined surfaces 22112, which are inclined from the outer end of the adsorption units 2211 towards the face of the at least two adsorption units 2211 facing each other.

[0028] This adsorption fixture, by setting up an adsorption fixture composed of at least two adsorption units 2211 and by opening multiple adsorption holes 22111, allows the product to be adsorbed onto the surface of the adsorption fixture. Furthermore, the inclined surface 22112 on the side of the adsorption unit 2211 ensures that the four corners of the adsorbed product are exposed. The inclined surface 22112, tilted from the outer end of the adsorption unit 2211 towards the connection point of the at least two adsorption units 2211, ensures that the four corners remain stably exposed regardless of changes in the size of the product. This eliminates the need to change the size of the adsorption fixture according to the size of the product, improving production efficiency and avoiding the time-consuming and labor-intensive process of traditional adsorption fixtures that require changing to the corresponding size when adsorbing liquid crystal sheets of different sizes, which can negatively impact production efficiency and easily lead to equipment damage.

[0029] Reference Figure 3 , Figure 3 This is a schematic diagram of the negative pressure groove structure of this utility model. The inner cavity of the adsorption unit 2211 is provided with a negative pressure groove 22113. The adsorption hole 22111 connects the outside world to the negative pressure groove 22113, so that by setting a negative pressure extraction device and connecting the negative pressure groove 22113 to the negative pressure extraction device through a pipe, the gas in the negative pressure groove 22113 is extracted, thereby creating a negative pressure at the adsorption hole 22111, so that when the product to be tested comes into contact with the adsorption unit 2211, it can be adsorbed onto the surface of the adsorption unit 2211.

[0030] The negative pressure tank 22113 has a first opening 221131 that connects the negative pressure tank 22113 to the outside. The first opening 221131 is located on the side of the adsorption unit 2211 away from the opposite sides of at least two adsorption units 2211. The negative pressure device is connected to the negative pressure tank 22113 through the first opening 221131, thereby drawing negative pressure at the negative pressure tank 22113 and the adsorption hole 22111 to ensure that the product to be tested is adsorbed.

[0031] The negative pressure tank 22113 has a second opening 221132 that connects the negative pressure tank 22113 to the outside. The second opening 221132 is located on the inclined surface 22112 of the fixture. The negative pressure suction device is connected to the negative pressure tank 22113 through the second opening 221132, thereby suctioning negative pressure at the negative pressure tank 22113 and the adsorption hole 22111 to ensure adsorption of the product to be tested.

[0032] Preferably, there are multiple first openings 221131 and multiple second openings 221132.

[0033] Specifically, there are four first openings 221131 and two first openings 221131.

[0034] When using the adsorption fixture to adsorb the product to be tested, select one of the multiple first openings 221131 or multiple second openings 221132 to connect to the adsorption fixture, and plug the rest with nut screws to avoid insufficient negative pressure suction at the adsorption hole 22111, which would affect the adsorption effect on the product to be tested.

[0035] An open light-transmitting opening 22114 is provided at one end of the adsorption unit 2211 away from the opposite side of at least two adsorption units 2211. When adsorbing a large-size liquid crystal sheet, the area blocked by the adsorption unit 2211 is large, which causes the lighting device located on the side of the adsorption unit 2211 away from the adsorbed product to be tested to be unable to illuminate the blocked part, and the side light is also difficult to penetrate to the middle of the blocked part of the large-size liquid crystal sheet. Therefore, it is necessary to open the open light-transmitting opening 22114 to allow light to illuminate the middle of the blocked part of the large-size liquid crystal sheet, thereby improving the detection capability of the edge of the product to be tested.

[0036] When inspecting small-sized liquid crystal panels that cannot be illuminated through the light-transmitting opening 22114, the light from the illumination device can be refracted to illuminate the blocked parts of the liquid crystal panel when it hits the four corners of the small-sized liquid crystal panel, thus ensuring the detection effect of the edges.

[0037] Specifically, the two adsorption units 2211 form an "X" shape to adsorb the product to be tested.

[0038] Specifically, the light-transmitting opening 22114 is V-shaped.

[0039] Preferably, the angle of the light-transmitting opening 22114 is thirty-two degrees.

[0040] Preferably, the angle between the inclined surfaces 22112 of two adjacent fixtures is 148 degrees. This angle of the adsorption fixture can ensure that the four corners are exposed for most flat LCD screens on the market.

[0041] An adsorption fixture also includes a buffer 2212, which is connected to the side of the adsorption unit 2211 where the adsorption unit 2211 is located, and the adsorption hole 22111 passes through the buffer 2212. The buffer 2212 is made of a flexible material, so that when the product to be tested is adsorbed, the product to be tested will not collide or make hard contact with the adsorption fixture, thus preventing damage to the product.

[0042] Reference Figure 4 , Figure 4This is a schematic diagram of the adsorption state structure of this utility model. When adsorbing products of different sizes, if the product size is small, some adsorption holes 22111 cannot be blocked by the product. Therefore, according to the size of the product to be adsorbed, the adsorption holes 22111 that cannot be blocked by the product are sealed with iron seals in advance to ensure the adsorption strength of the product to be adsorbed, thereby avoiding the product from falling due to insufficient adsorption. It can also be quickly adjusted according to the product size to ensure the detection efficiency.

[0043] In the description of this utility model, it should be understood that the terms "middle", "length", "upper", "lower", "front", "rear", "vertical", "horizontal", "inner", "outer", "radial", "circumferential", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0044] In this invention, unless otherwise expressly specified and limited, the first feature "on" the second feature may be in direct contact with the first feature, or indirect contact with the first feature through an intermediate medium. "A plurality of" means at least two, such as two, three, etc., unless otherwise expressly and specifically limited.

[0045] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0046] The above description is merely illustrative of the embodiments of this utility model and is not intended to limit the scope of this utility model. For those skilled in the art, any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model without creative labor should be included within the protection scope of this utility model.

Claims

1. An adsorption fixture, characterized in that, include: Adsorption unit (2211), at least two adsorption units (2211) with one face facing each other and set at equal angles relative to the midpoint of this face, the adsorption unit (2211) has a plurality of adsorption holes (22111) that connect the outside to the inner cavity of the adsorption unit (2211), and the adsorption holes (22111) generate negative pressure to adsorb the product to be tested, the two sides of the adsorption unit (2211) are fixture inclined surfaces (22112), and are inclined from the outer end of the adsorption unit (2211) toward the face of at least two adsorption units (2211) facing each other.

2. The adsorption fixture according to claim 1, characterized in that: The adsorption unit (2211) has a negative pressure groove (22113) in its inner cavity, and the adsorption hole (22111) connects the outside world to the negative pressure groove (22113).

3. The adsorption fixture according to claim 2, characterized in that: The negative pressure groove (22113) has a first opening (221131) that connects the negative pressure groove (22113) to the outside, and the first opening (221131) is located on the side of the adsorption unit (2211) away from the opposite sides of at least two of the adsorption units (2211).

4. An adsorption fixture according to claim 2, characterized in that: The negative pressure groove (22113) has a second opening (221132) that connects the negative pressure groove (22113) to the outside, and the second opening (221132) is located on the inclined surface (22112) of the fixture.

5. An adsorption fixture according to claim 1, characterized in that: The adsorption unit (2211) has a light-transmitting opening (22114) at one end away from the opposite side of at least two adsorption units (2211).

6. An adsorption fixture according to claim 1, characterized in that: The two adsorption units (2211) form an "X" shape to adsorb the product to be tested.

7. An adsorption fixture according to claim 5, characterized in that: The light-transmitting opening (22114) is V-shaped.

8. An adsorption fixture according to claim 5, characterized in that: The angle of the light-transmitting opening (22114) is thirty-two degrees.

9. An adsorption fixture according to claim 1, characterized in that: The angle between two adjacent inclined surfaces (22112) of the fixture is 148 degrees.

10. An adsorption fixture according to any one of claims 1-9, characterized in that: It also includes a buffer (2212), which is connected to the side of the adsorption unit (2211) where the adsorption unit (2211) is located, and the adsorption hole (22111) passes through the buffer (2212).

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