CN219152918U - Vacuum chuck for liquid crystal display screen - Google Patents

Vacuum chuck for liquid crystal display screen Download PDF

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Publication number
CN219152918U
CN219152918U CN202320279444.8U CN202320279444U CN219152918U CN 219152918 U CN219152918 U CN 219152918U CN 202320279444 U CN202320279444 U CN 202320279444U CN 219152918 U CN219152918 U CN 219152918U
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China
Prior art keywords
suction
nozzle mounting
suction nozzle
connecting rod
liquid crystal
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Active
Application number
CN202320279444.8U
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Chinese (zh)
Inventor
王磊
张志强
牛利利
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Shandong Huayuan Touch Display Technology Co ltd
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Shandong Huayuan Touch Display Technology Co ltd
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Priority to CN202320279444.8U priority Critical patent/CN219152918U/en
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Abstract

A vacuum chuck for a liquid crystal display relates to the technical field of display processing equipment, and comprises a connecting rod, wherein the connecting rod is detachably connected with a chuck body; the inside of the connecting rod is provided with a main air suction cavity which is coaxially arranged, the top end of the connecting rod is closed, and the outer wall of the connecting rod is provided with a main air suction hole which is communicated with the main air suction cavity; the suction cup comprises a suction cup body, a suction nozzle, a plurality of air passages, a vacuum suction nozzle and a vacuum suction pipe, wherein the suction cup is provided with a suction nozzle mounting hole, the suction nozzle mounting hole is communicated with the suction cup body, the suction nozzle mounting hole is communicated with the suction nozzle mounting hole, the vacuum suction nozzle is coaxially arranged in the suction nozzle mounting hole and is matched with the suction nozzle mounting hole for use, and the axial position of the vacuum suction nozzle along the suction nozzle mounting hole is adjustable. The utility model can improve the integration density of the air passage, cancel the existence of the air pipe and improve the use stability; meanwhile, the number of the vacuum suction nozzles can be adjusted according to the size or thickness of the display screen, and the application range is enlarged.

Description

Vacuum chuck for liquid crystal display screen
Technical Field
The utility model relates to the technical field of display screen processing equipment, in particular to a vacuum chuck for a liquid crystal display screen.
Background
The liquid crystal display screen is one of the flat panel displays, and has the advantages of low power consumption, small size and low radiation.
In the process of processing and carrying, as the liquid crystal sheet of the liquid crystal display screen is very thin, fragile and easy to break, two sides of the liquid crystal display screen cannot be directly grasped by hands to be extracted, and the liquid crystal display screen is often required to be carried by means of a vacuum chuck, however, the existing vacuum chuck can cause damage or indentation of the display screen if being applied with a little force during carrying, the display screen is not fastened due to the fact that the force is too small, the liquid crystal display screen falls off during carrying, the use is very inconvenient, the size of an adsorption area cannot be timely adjusted according to the display screens with different sizes and different thicknesses, the size of suction force cannot be changed, the application range is too small, and a lot of troubles are added for users; meanwhile, the air passage integration level is low, a large amount of air pipes are exposed outside, and the air pipes are easy to damage to cause faults.
Disclosure of Invention
In view of this, the technical problems to be solved by the present utility model are: the vacuum chuck for the liquid crystal display screen can improve the integration density of an air passage, cancel the existence of an air pipe and improve the use stability; meanwhile, the number of the vacuum suction nozzles can be adjusted according to the size or thickness of the display screen, and the application range is enlarged.
In order to solve the technical problems, the technical scheme of the utility model is as follows:
the vacuum chuck for the liquid crystal display screen comprises a connecting rod, wherein the connecting rod is detachably connected with a chuck body;
the inside of the connecting rod is provided with a main air suction cavity which is coaxially arranged, the top end of the connecting rod is closed, and the outer wall of the connecting rod is provided with a main air suction hole which is communicated with the main air suction cavity;
the suction cup comprises a suction cup body, and is characterized in that a main air hole communicated with a main air suction cavity is formed in the suction cup body, a plurality of air passages communicated with the main air hole respectively are formed in the suction cup body, a plurality of suction nozzle mounting holes penetrating through the suction cup body are formed in the suction cup body, each air passage is communicated with at least one suction nozzle mounting hole, a vacuum suction nozzle matched with the suction nozzle is coaxially arranged in the suction nozzle mounting hole, and the axial position of the vacuum suction nozzle along the suction nozzle mounting hole is adjustable.
Preferably, the top of connecting rod is provided with connecting portion, connecting portion with connecting rod integrated into one piece, a plurality of mounting holes have been laid to circumference equidistance on the connecting portion.
Preferably, the plurality of air passages are arranged along the radial direction of the main air hole, and the plurality of air passages are all positioned in the same plane.
Preferably, the nozzle mounting hole comprises a plurality of first nozzle mounting holes and second nozzle mounting holes which are circumferentially and equidistantly wound on the outer side of the main air hole, and the second nozzle mounting holes are located on the outer side of the first nozzle mounting holes along the radial direction of the main air hole.
Preferably, the number of the second nozzle mounting holes and the number of the first nozzle mounting holes are six.
Preferably, the vacuum suction nozzle comprises a suction tube and a suction head communicated with the suction tube, wherein an auxiliary suction cavity coaxially arranged is formed in the suction tube, the top end of the suction tube is closed, and at least one auxiliary suction hole communicated with the auxiliary suction cavity is formed in the outer wall of the suction tube;
the outer wall of the suction tube is provided with a plurality of sealing rings, including a first sealing ring, a second sealing ring and a third sealing ring which are sequentially arranged from top to bottom along the axial direction of the suction tube, wherein the first sealing ring and the second sealing ring are respectively arranged at two sides of the auxiliary suction hole.
Preferably, the distance between the second sealing ring and the third sealing ring is equal to the distance between the first sealing ring and the second sealing ring.
Preferably, the number of the auxiliary air suction holes is four, and the auxiliary air suction holes are circumferentially equidistantly distributed on the outer wall of the suction cylinder.
Preferably, the inner wall of suction nozzle mounting hole is concaved upward and is equipped with a plurality of seal grooves, the seal groove with the sealing washer cooperation is used and quantity is the same, includes along the axial of suction nozzle mounting hole is from top to bottom first seal groove, second seal groove and the third seal groove that sets up in order, wherein, first seal groove and second seal groove set up respectively in the both sides of air flue.
Preferably, a push-pull part is arranged at the top of the suction tube, the push-pull part and the suction tube are integrally formed, and the cross section of the push-pull part is inverted trapezoid.
After the technical scheme is adopted, the utility model has the beneficial effects that:
because the connecting rod and the sucker body are arranged in the utility model, the main air suction cavity is arranged in the connecting rod, and the connecting rod can be communicated with external vacuumizing equipment through the main air suction hole, so that the sucker body can realize vacuum adsorption on the display screen. The sucker body is provided with the main air hole, a plurality of air passages respectively communicated with the main air hole are formed in the sucker body, the air passages are communicated with the suction nozzle mounting holes penetrating through the sucker body, and the air passages are respectively communicated with the main air hole, so that the existence of an air pipe is eliminated, the integration degree is improved, and meanwhile, the sucker is attractive and elegant, and the operation stability is improved; a vacuum suction nozzle matched with the suction nozzle is arranged in the suction nozzle mounting hole, so that the vacuum suction nozzle is communicated with the main suction cavity through the suction nozzle mounting hole, the air passage and the main air hole, and a plurality of vacuum suction nozzles are mutually matched to realize the adsorption and fixation of the display screen; meanwhile, the axial position of the vacuum suction nozzle along the suction nozzle mounting hole is adjustable, the position of the vacuum suction nozzle can be adjusted according to the size or thickness of the display screen, the vacuum suction nozzle can be adjusted between an adsorption state and a non-adsorption state, the number of the vacuum suction nozzles required to be used is adjusted, and the application range is enlarged.
Drawings
The utility model will be further described with reference to the drawings and examples.
FIG. 1 is a schematic view of a vacuum chuck for a liquid crystal display according to an embodiment of the present utility model;
FIG. 2 is an exploded view of FIG. 1;
FIG. 3 is a cross-sectional view of FIG. 1;
FIG. 4 is an enlarged view of portion A of FIG. 3;
FIG. 5 is an enlarged view of portion B of FIG. 3;
FIG. 6 is an exploded view of a vacuum nozzle according to an embodiment of the present utility model;
in the figure:
1. a connecting rod; 11. a main suction chamber; 12. a main suction hole; 13. a connection part; 14. a mounting hole; 2. a suction cup body; 21. a main air hole; 22. an airway; 23. a suction nozzle mounting hole; 231. a first nozzle mounting hole; 232. a second nozzle mounting hole; 233. sealing grooves; 3. a vacuum suction nozzle; 31. a suction tube; 32. a suction head; 33. an auxiliary air suction cavity; 34. an auxiliary air suction hole; 351. a first seal ring; 352. a second seal ring; 353. a third seal ring; 36. a push-pull part;
a represents the interval between the second sealing ring and the third sealing ring, and b represents the interval between the first sealing ring and the second sealing ring.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
The terms such as "front", "rear", "left", "right", "middle" and the like are also used in the present specification for convenience of description, but are not intended to limit the scope of the present utility model, and the changes or modifications of the relative relationship thereof are considered to be within the scope of the present utility model without substantial modification of the technical content.
As shown in fig. 1 to 3, the utility model comprises a connecting rod 1, wherein the connecting rod 1 is detachably connected with a sucker body 2, preferably, the bottom of the connecting rod 1 is in threaded connection with the sucker body 2, so that the sucker body 2 with different sizes and different shapes can be conveniently detached and replaced, and the shape of the sucker body 2 is preferably rectangular.
The inside of connecting rod 1 has offered the main chamber 11 that breathes in of coaxial setting, the top of connecting rod 1 is sealed, the main hole 12 that breathes in with main chamber 11 intercommunication has been seted up on the outer wall of connecting rod 1, main hole 12 is used for with external evacuation equipment intercommunication, make sucking disc body 2 realize the vacuum adsorption to the display screen, in the utility model, the top of connecting rod 1 is provided with connecting portion 13, connecting portion 13 and connecting rod 1 integrated into one piece, a plurality of mounting holes 14 have been laid to circumference equidistance on connecting portion 13, through setting up connecting portion 13, be convenient for with connecting rod 1 and other mobile device or rotating device through mounting hole 14 detachable connection, realize carrying out position adjustment or angular adjustment to the liquid crystal display screen through connecting rod 1, satisfy the requirement of carrying out other processing procedures to the liquid crystal display screen subsequently.
The suction cup body 2 is provided with a main air hole 21 communicated with the main air suction cavity 11, the inside of the suction cup body 2 is provided with a plurality of air passages 22 respectively communicated with the main air hole 21, the plurality of air passages 22 are arranged along the radial direction of the main air hole 21, and the plurality of air passages 22 are all positioned in the same plane. Through setting up air flue 22, changed original adoption independent tracheal mode, cancelled tracheal existence, improved integrated level, simultaneously, elegant appearance has improved operating stability. The sucker body 2 is provided with a plurality of suction nozzle mounting holes 23 which are arranged through the sucker body, each air passage 22 is communicated with at least one suction nozzle mounting hole 23, the suction nozzle mounting holes 23 are internally and coaxially provided with vacuum suction nozzles 3 which are matched with the suction nozzle mounting holes, the vacuum suction nozzles 3 are communicated with the main suction cavity 11 through the suction nozzle mounting holes 23, the air passages 22 and the main air holes 21, and the plurality of vacuum suction nozzles 3 are mutually matched to realize the adsorption fixation of a display screen; meanwhile, the axial position of the vacuum suction nozzle 3 along the suction nozzle mounting hole 23 is adjustable, the position of the vacuum suction nozzle 3 can be adjusted between the adsorption state and the non-adsorption state according to the size or thickness of the display screen by adjusting the position of the vacuum suction nozzle 3, the number of the vacuum suction nozzles 3 required to be used is adjusted, the vacuum suction nozzles 3 with small number can be used for completing adsorption for the small-size display screen, and the vacuum suction nozzles 3 with large number are used for adsorption for the large-size display screen, so that the application range is enlarged.
Specifically, the nozzle mounting hole 23 includes a plurality of first nozzle mounting holes 231 and second nozzle mounting holes 232 circumferentially equidistant around the outside of the main air hole 21, the distances from the plurality of first nozzle mounting holes 231 to the main air hole 21 are equal, the distances from the plurality of second nozzle mounting holes 232 to the main air hole 21 are equal, and the second nozzle mounting holes 232 are located outside of the first nozzle mounting holes 231 along the radial direction of the main air hole 21. Preferably, the number of the second nozzle mounting holes 232 and the first nozzle mounting holes 231 is six.
As shown in fig. 2 and fig. 4 to fig. 6, in the utility model, the vacuum suction nozzle 3 comprises a suction tube 31 and a suction head 32 communicated with the suction tube 31, wherein an auxiliary suction cavity 33 coaxially arranged is arranged inside the suction tube 31, the top end of the suction tube 31 is closed, and at least one auxiliary suction hole 34 communicated with the auxiliary suction cavity 33 is arranged on the outer wall of the suction tube 31, preferably, in order to conveniently and rapidly communicate the auxiliary suction holes 34 with the air channel 22 in use, the number of the auxiliary suction holes 34 is four, and the auxiliary suction holes 34 are circumferentially equidistantly distributed on the outer wall of the suction tube 31.
A plurality of sealing rings are arranged on the outer wall of the suction tube 31, and comprise a first sealing ring 351, a second sealing ring 352 and a third sealing ring 353 which are sequentially arranged from top to bottom along the axial direction of the suction tube 31, wherein the first sealing ring 351 and the second sealing ring 352 are respectively arranged on two sides of the auxiliary suction hole 34.
The interval a between the second sealing ring 352 and the third sealing ring 353 is equal to the interval b between the first sealing ring 351 and the second sealing ring 352, a plurality of sealing grooves 233 are concavely formed in the inner wall of the suction nozzle mounting hole 23 for better sealing between the vacuum suction nozzle 3 and the suction nozzle mounting hole 23, the sealing grooves 233 are matched with the sealing rings in use and the same in quantity, the sealing grooves comprise a first sealing groove, a second sealing groove and a third sealing groove which are sequentially arranged from top to bottom along the axial direction of the suction nozzle mounting hole 23, the first sealing groove and the second sealing groove are respectively arranged on two sides of the air passage 22, preferably, the quantity of the first sealing ring 351, the second sealing ring 352 and the third sealing ring 353 is respectively two, and the quantity of the first sealing groove, the second sealing groove and the third sealing groove is also respectively two.
The vacuum suction nozzle 3 has two states including an adsorption state and a non-adsorption state, wherein in the adsorption state, a first sealing ring 351, a second sealing ring 352 and a third sealing ring 353 on the vacuum suction nozzle 3 respectively correspond to the positions of the first sealing groove, the second sealing groove and the third sealing groove on the suction nozzle mounting hole 23, the first sealing ring 351, the second sealing ring 352 and the third sealing ring 353 are respectively limited by the first sealing groove, the second sealing groove and the third sealing groove, a secondary air suction cavity 33 of the vacuum suction nozzle 3 is communicated with the air channel 22 through the secondary air suction hole 34, and meanwhile, the first sealing ring 351 and the second sealing ring 352 respectively seal the two sides of the secondary air suction hole 34 so as to realize the adsorption of a display screen through the suction head 32; in the non-adsorption state, the vacuum suction nozzle 3 moves upwards to drive the auxiliary suction hole 34, the first sealing ring 351, the second sealing ring 352 and the third sealing ring 353 to move upwards together, the second sealing ring 352 and the third sealing ring 353 correspond to the positions of the first sealing groove and the second sealing groove on the suction nozzle mounting hole 23 respectively and are limited, the auxiliary suction cavity 33 cannot be communicated with the air channel 22 through the auxiliary suction hole 34, the suction head 32 cannot adsorb a display screen, and meanwhile, the second sealing ring 352 and the third sealing ring 353 seal the top side and the bottom side of the air channel 22 to prevent gas from entering.
In order to facilitate the position adjustment of the vacuum suction nozzle 3 along the axial direction of the suction nozzle mounting hole 23, the top of the suction barrel 31 is provided with a push-pull part 36, the push-pull part 36 and the suction barrel 31 are integrally formed, the cross section of the push-pull part 36 is in an inverted trapezoid shape, so that an operator can conveniently clamp the push-pull part 36 by one hand to lift the suction barrel 31 upwards, or press the push-pull part 36 to drive the suction barrel 31 to move downwards, and the vacuum suction nozzle 3 is switched between an adsorption state and a non-adsorption state.
When the vacuum suction nozzle device is used, an operator selects the number of vacuum suction nozzles 3 to be used according to the size or thickness of a display screen to be adsorbed, the area to be adsorbed is determined, and for a small-size display screen, the vacuum suction nozzles 3 installed in the first suction nozzle installation holes 231 are selected to move downwards to enable the respective auxiliary suction holes 34 to be communicated with the air passages 22 respectively, and the vacuum suction nozzles 3 installed in the second suction nozzle installation holes 232 are all moved upwards to be in a non-adsorption state, and meanwhile, the vacuum suction nozzles 3 are all moved upwards to avoid the small-size display screen to be adsorbed, so that the requirement of adsorbing the small-size display screen is met; for a large-size display screen, all vacuum suction nozzles 3 are selected to move downwards, so that respective auxiliary suction holes 34 are respectively communicated with the air passages 22, all the vacuum suction nozzles 3 are in an adsorption state, and the requirement for adsorbing the large-size display screen is met.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. The vacuum chuck for the liquid crystal display screen comprises a connecting rod, wherein the connecting rod is detachably connected with a chuck body; it is characterized in that the method comprises the steps of,
the inside of the connecting rod is provided with a main air suction cavity which is coaxially arranged, the top end of the connecting rod is closed, and the outer wall of the connecting rod is provided with a main air suction hole which is communicated with the main air suction cavity;
the suction cup comprises a suction cup body, and is characterized in that a main air hole communicated with a main air suction cavity is formed in the suction cup body, a plurality of air passages communicated with the main air hole respectively are formed in the suction cup body, a plurality of suction nozzle mounting holes penetrating through the suction cup body are formed in the suction cup body, each air passage is communicated with at least one suction nozzle mounting hole, a vacuum suction nozzle matched with the suction nozzle is coaxially arranged in the suction nozzle mounting hole, and the axial position of the vacuum suction nozzle along the suction nozzle mounting hole is adjustable.
2. The vacuum chuck for a liquid crystal display according to claim 1, wherein a connecting portion is arranged at the top of the connecting rod, the connecting portion and the connecting rod are integrally formed, and a plurality of mounting holes are circumferentially and equidistantly arranged on the connecting portion.
3. The vacuum chuck for a liquid crystal display according to claim 1, wherein a plurality of the air passages are arranged along a radial direction of the main air hole, and the plurality of the air passages are all in the same plane.
4. The vacuum chuck for a liquid crystal display according to claim 1, wherein the nozzle mounting hole includes a plurality of first nozzle mounting holes and second nozzle mounting holes circumferentially equidistantly wound around the outside of the main air hole, the second nozzle mounting holes being located outside the first nozzle mounting holes in the radial direction of the main air hole.
5. The vacuum chuck for a liquid crystal display according to claim 4, wherein the number of the second nozzle mounting holes and the number of the first nozzle mounting holes are six.
6. The vacuum chuck for the liquid crystal display screen as set forth in claim 1, wherein the vacuum nozzle comprises a suction tube and a suction head communicated with the suction tube, wherein an auxiliary suction cavity coaxially arranged is arranged in the suction tube, the top end of the suction tube is closed, and at least one auxiliary suction hole communicated with the auxiliary suction cavity is arranged on the outer wall of the suction tube;
the outer wall of the suction tube is provided with a plurality of sealing rings, including a first sealing ring, a second sealing ring and a third sealing ring which are sequentially arranged from top to bottom along the axial direction of the suction tube, wherein the first sealing ring and the second sealing ring are respectively arranged at two sides of the auxiliary suction hole.
7. The vacuum chuck for a liquid crystal display according to claim 6, wherein a distance between the second seal ring and the third seal ring is equal to a distance between the first seal ring and the second seal ring.
8. The vacuum chuck for liquid crystal display according to claim 6, wherein the number of the auxiliary suction holes is four, and the auxiliary suction holes are circumferentially equidistantly arranged on the outer wall of the suction cylinder.
9. The vacuum chuck for a liquid crystal display screen according to claim 6, wherein a plurality of sealing grooves are concavely formed in the inner wall of the nozzle mounting hole, the sealing grooves are matched with the sealing rings for use and have the same number, and the vacuum chuck comprises a first sealing groove, a second sealing groove and a third sealing groove which are sequentially arranged from top to bottom along the axial direction of the nozzle mounting hole, wherein the first sealing groove and the second sealing groove are respectively arranged on two sides of the air passage.
10. The vacuum chuck for a liquid crystal display according to claim 6, wherein a push-pull part is provided at a top of the suction tube, the push-pull part is integrally formed with the suction tube, and a cross-sectional shape of the push-pull part is an inverted trapezoid.
CN202320279444.8U 2023-02-21 2023-02-21 Vacuum chuck for liquid crystal display screen Active CN219152918U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320279444.8U CN219152918U (en) 2023-02-21 2023-02-21 Vacuum chuck for liquid crystal display screen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320279444.8U CN219152918U (en) 2023-02-21 2023-02-21 Vacuum chuck for liquid crystal display screen

Publications (1)

Publication Number Publication Date
CN219152918U true CN219152918U (en) 2023-06-09

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ID=86642153

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320279444.8U Active CN219152918U (en) 2023-02-21 2023-02-21 Vacuum chuck for liquid crystal display screen

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Country Link
CN (1) CN219152918U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117723946A (en) * 2024-02-18 2024-03-19 深圳市森美协尔科技有限公司 Mechanical arm assembly and wafer detection table

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117723946A (en) * 2024-02-18 2024-03-19 深圳市森美协尔科技有限公司 Mechanical arm assembly and wafer detection table
CN117723946B (en) * 2024-02-18 2024-04-19 深圳市森美协尔科技有限公司 Mechanical arm assembly and wafer detection table

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