CN215825753U

CN215825753U - LED is anti-dazzling screen stamping device for backlight

Info

Publication number: CN215825753U
Application number: CN202121862019.9U
Authority: CN
Inventors: 陈文萌
Original assignee: Shenzhen Zhongxin Microelectronics Technology Co ltd
Current assignee: Shenzhen Zhongxin Microelectronics Technology Co ltd
Priority date: 2021-08-10
Filing date: 2021-08-10
Publication date: 2022-02-15
Anticipated expiration: 2031-08-10

Abstract

The utility model discloses a light shading sheet stamping device for an LED backlight source, which comprises a base, a support frame, a hydraulic structure and an installation assembly, wherein the support frame is fixedly installed at the upper end of the base, the hydraulic structure is fixedly installed at the upper end inside the support frame, the lower end of the hydraulic structure is provided with an output end, a stamping head is detachably installed at the output end through the installation assembly, a limiting assembly is arranged inside the base, the light shading sheet is conveniently limited, the deviation generated in the stamping process is avoided, a movable groove is formed in the middle position of the upper end of the base, a return spring is fixedly installed inside the movable groove, when the stamping head is contacted with the light shading sheet, the stamping head drives an installation sleeve to upwards move along the output end, an installation ring moves along the surface of an installation rod, the installation ring compresses a buffer spring, and the stamping head is convenient to have good buffer effect, is convenient for protecting the shading sheet.

Description

LED is anti-dazzling screen stamping device for backlight

Technical Field

The utility model relates to the technical field of LED backlight sources, in particular to a light shading sheet punching device for an LED backlight source.

Background

The backlight source is a light source located behind a Liquid Crystal Display (LCD), and its luminous effect will directly affect the visual effect of the liquid crystal display module (LCM). The liquid crystal display does not emit light, displays a pattern or modulates light, the black-and-white double-sided adhesive tape is mainly applied to a backlight source and plays roles of fixing and shading (shading edge light and light of a lamp position), also called a shading sheet and a black-and-white film, and is called black-and-white adhesive for short, and the selection of a used light source is very important in the design of the backlight source. The light source used determines the photoelectric parameters of the backlight, such as power consumption, brightness, color, etc., and also determines the characteristics of the backlight, such as its operating conditions and service life.

Stamping device is the important equipment of anti-dazzling screen production of LED backlight, but current stamping device can't carry out fine fixed with the material automatically, causes very easily at the punching press in-process, causes anti-dazzling screen production skew, influences the punching press effect, and when carrying out the punching press to the anti-dazzling screen of different grade type, can't carry out fine quick replacement to the punching press head simultaneously, has reduced work efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a stamping device for a light shielding sheet of an LED backlight source, which aims to solve the problems in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a LED is anti-dazzling screen stamping device for backlight, includes base, support frame, hydraulic structure and installation component, the upper end fixed mounting of base has the support frame, the inside upper end fixed mounting of support frame has hydraulic structure, hydraulic structure's lower extreme is provided with the output, the output has the punching press head through installation component demountable installation, the inside of base is provided with spacing subassembly, is convenient for carry on spacingly to anti-dazzling screen, avoids producing the skew in stamping process.

Preferably, the limiting assembly comprises a motor, a double-thread screw rod, a movable threaded sleeve, a connecting block, a limiting rail, a sliding block, a clamping plate, a movable block, a movable groove, a control block, a movable rod, a pressing plate and a return spring, and the motor is fixedly mounted on one side of the base.

Preferably, a movable groove is formed in the middle of the upper end of the base, a return spring is fixedly mounted inside the movable groove, a moving block is fixedly mounted at the lower end of the return spring, and a moving rod is fixedly mounted at the upper end of the moving block.

Preferably, the upper end of the movable rod is fixedly provided with a pressing plate, the lower end of the pressing plate is fixedly provided with a control block matched with the motor, and the middle position of the base is provided with a groove matched with the pressing plate.

Preferably, the inside lower extreme fixed mounting of base has spacing rail, the internally mounted of base has the double thread screw rod that is connected with the motor output, the both ends of double thread screw rod all are equipped with the removal swivel nut.

Preferably, the lower end of the movable threaded sleeve is fixedly provided with a sliding block movably connected with the limiting rail, the upper end of the movable threaded sleeve is fixedly provided with a connecting block, and clamping plates fixedly connected with the upper end of the connecting block are arranged on two sides of the upper end of the base.

Preferably, the mounting assembly comprises a mounting sleeve, a fixing ring, a mounting rod, a buffer spring, a mounting ring, a movable clamping block and a clamping and fixing spring, the fixing ring is fixedly mounted on the surface of the output end, and the mounting rods are fixedly mounted on two sides of the lower end of the fixing ring.

Preferably, a clamping spring is fixedly installed inside the lower end of the installation rod, movable clamping blocks are fixedly installed at two ends of the clamping spring, the lower end of each movable clamping block is inclined, and a buffer spring fixedly connected with the fixing ring is sleeved on the surface of the installation rod.

Preferably, the upper end fixed mounting of punching press head establishes the installation cover in the output outside, the upper end fixed mounting of installation cover has the collar, the perforation of interlude installation pole is seted up on the surface of collar, the lower extreme of collar is laminated with the upper end of activity fixture block mutually.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model has simple structure, the installation assembly is arranged to ensure that the whole device has good installation effect, when a user installs the stamping head, the user sleeves the installation sleeve on the surface of the output end at the lower end of the hydraulic structure, the installation rod is inserted into the through hole on the surface of the installation ring, when one end of the through hole at the lower end of the movable clamping block is attached, the movable clamping block is contracted into the installation rod to compress the clamping spring, after the installation rod passes through the through hole, the movable clamping block is popped out under the action of the clamping spring, so that the upper end of the movable clamping block is attached to the lower end of the installation ring, thereby facilitating the rapid installation of the stamping head, when the stamping head is contacted with the shading sheet, the stamping head drives the installation sleeve to move upwards along the output end, the installation ring moves along the surface of the installation rod, so that the installation ring compresses the buffer spring, thereby facilitating the stamping head to have good buffer effect, the light shading sheet is convenient to protect;

2. according to the utility model, through the arrangement of the limiting component, the whole device has a good clamping effect, a user places the shading sheet at the middle position of the base, the shading sheet drives the pressing plate to move downwards, the pressing plate drives the moving block to move in the movable groove through the movable rod, the reset spring is stretched, the control block at the lower end of the pressing plate is attached to the inner wall of the groove, the motor rotates, the motor drives the double-threaded screw rod to rotate, the movable threaded sleeve moves towards the opposite direction along the double-threaded screw rod, the movable threaded sleeve drives the clamping plate to move along the base through the connecting block, the shading sheet is conveniently clamped, and the phenomenon that the deviation is generated in the stamping process to influence the stamping effect is avoided.

Drawings

FIG. 1 is a schematic side view of the apparatus of the present invention.

Fig. 2 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

Fig. 3 is an enlarged schematic view of the structure at B in fig. 1 according to the present invention.

In the figure: 1. a base; 2. a support frame; 3. a hydraulic structure; 4. punching a head; 5. a motor; 6. a double-thread screw; 7. moving the screw sleeve; 8. connecting blocks; 9. a limit rail; 10. a slider; 11. clamping a plate; 12. a moving block; 13. a movable groove; 14. a groove; 15. a control block; 16. a movable rod; 17. pressing a plate; 18. a return spring; 19. installing a sleeve; 20. a fixing ring; 21. mounting a rod; 22. a buffer spring; 23. a mounting ring; 24. a movable clamping block; 25. the spring is clamped and fixed.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 and 3, an embodiment of the present invention: a light shading sheet punching device for an LED backlight source comprises a base 1, a support frame 2, a hydraulic structure 3 and an installation assembly, wherein the support frame 2 is fixedly installed at the upper end of the base 1, the hydraulic structure 3 is fixedly installed at the upper end inside the support frame 2, an output end is arranged at the lower end of the hydraulic structure 3, a punching head 4 is detachably installed at the output end through the installation assembly, the installation assembly comprises an installation sleeve 19, a fixing ring 20, an installation rod 21, a buffer spring 22, an installation ring 23, a movable clamping block 24 and a clamping spring 25, the fixing ring 20 is fixedly installed on the surface of the output end, the installation rod 21 is fixedly installed on two sides of the lower end of the fixing ring 20, the clamping spring 25 is fixedly installed inside the lower end of the installation rod 21, the movable clamping block 24 is fixedly installed at two ends of the clamping spring 25, the lower end of the movable clamping block 24 is inclined, the buffer spring 22 fixedly connected with the fixing ring 20 is sleeved on the surface of the installation rod 21, the upper end of the stamping head 4 is fixedly provided with an installation sleeve 19 which is sleeved on the outer side of the output end, the upper end of the installation sleeve 19 is fixedly provided with an installation ring 23, the surface of the installation ring 23 is provided with a through hole which is inserted with the installation rod 21, and the lower end of the installation ring 23 is attached to the upper end of the movable fixture block 24;

wherein, when the user installs the punching head 4, the user sleeves the installation sleeve 19 on the output end surface of the lower end of the hydraulic structure 3, the installation rod 21 is inserted into the through hole on the surface of the installation ring 23, when one end of the through hole at the lower end of the movable clamping block 24 is jointed, the movable clamping block 24 is contracted into the mounting rod 21, the clamping spring 25 is compressed, after the mounting rod 21 passes through the through hole, the movable clamping block 24 is ejected out under the action of the clamping spring 25, so that the upper end of the movable clamping block 24 is attached to the lower end of the mounting ring 23, thereby facilitating the rapid installation of the punch 4, when the punch 4 contacts the gobo, the punch 4 drives the mounting sleeve 19 to move upwards along the output end, the mounting ring 23 moves along the surface of the mounting rod 21, make collar 23 compress buffer spring 22, be convenient for make punching press head 4 carry out fine buffering effect, be convenient for protect the anti-dazzling screen.

Referring to fig. 1 and 2, a limiting assembly is arranged inside a base 1 to limit a shading sheet conveniently and avoid deviation in a stamping process, the limiting assembly includes a motor 5, a double-threaded screw 6, a movable threaded sleeve 7, a connecting block 8, a limiting rail 9, a slider 10, a clamping plate 11, a movable block 12, a movable groove 13, a groove 14, a control block 15, a movable rod 16, a pressing plate 17 and a return spring 18, the motor 5 is fixedly installed on one side of the base 1, the movable groove 13 is formed in the middle position of the upper end of the base 1, the return spring 18 is fixedly installed inside the movable groove 13, the movable block 12 is fixedly installed at the lower end of the return spring 18, the movable block 16 is fixedly installed at the upper end of the movable rod 12, the pressing plate 17 is fixedly installed at the upper end of the movable rod 16, the control block 15 matched with the motor 5 is fixedly installed at the lower end of the pressing plate 17, the groove 14 matched with the pressing plate 17 is formed in the middle position of the base 1, a limiting rail 9 is fixedly installed at the lower end inside the base 1, a double-threaded screw 6 connected with the output end of the motor 5 is installed inside the base 1, movable threaded sleeves 7 are sleeved at two ends of the double-threaded screw 6, a sliding block 10 movably connected with the limiting rail 9 is fixedly installed at the lower end of each movable threaded sleeve 7, a connecting block 8 is fixedly installed at the upper end of each movable threaded sleeve 7, and clamping plates 11 fixedly connected with the upper end of each connecting block 8 are installed on two sides of the upper end of the base 1;

wherein, the user places the anti-dazzling screen in base 1's intermediate position department, the anti-dazzling screen drives clamp plate 17 downstream, clamp plate 17 drives movable block 12 through movable rod 16 and removes in the inside of movable groove 13, stretch reset spring 18, make clamp plate 17 lower extreme control block 15 laminate mutually with the inner wall of recess 14, make motor 5 rotate, motor 5 drives double-thread screw rod 6 and rotates, it removes to the relative direction along double-thread screw rod 6 to remove swivel nut 7, it drives cardboard 11 and removes along base 1 through connecting block 8 to remove swivel nut 7, be convenient for carry out the card to the anti-dazzling screen and fix, avoid in stamping process, produce the skew, influence stamping effect.

The working principle is as follows: when the device is used, the safety of the device is checked firstly, when a user installs the stamping head 4, the user sleeves the installation sleeve 19 on the surface of the output end at the lower end of the hydraulic structure 3, the installation rod 21 is inserted into the through hole on the surface of the installation ring 23, when one end of the through hole at the lower end of the movable clamping block 24 is attached, the movable clamping block 24 is contracted into the installation rod 21 to compress the clamping spring 25, after the installation rod 21 passes through the through hole, the movable clamping block 24 is popped out under the action of the clamping spring 25, so that the upper end of the movable clamping block 24 is attached to the lower end of the installation ring 23, the rapid installation of the stamping head 4 is facilitated, when the user installs the stamping head 4, the user sleeves the installation sleeve 19 on the surface of the output end at the lower end of the hydraulic structure 3, the installation rod 21 is inserted into the through hole on the surface of the installation ring 23, when one end of the through hole at the lower end of the movable clamping block 24 is attached, the movable clamping block 24 is contracted into the installation rod 21, compress card solid spring 25, pass the perforation back when installation pole 21, activity fixture block 24 pops out under the effect of card solid spring 25, make the upper end of activity fixture block 24 laminate mutually with the lower extreme of collar 23, thereby be convenient for quick installation of stamping head 4, when stamping head 4 and anti-dazzling screen contact, stamping head 4 drives installation cover 19 and upwards removes along the output, collar 23 removes along the surface of installation pole 21, make collar 23 compress buffer spring 22, be convenient for make stamping head 4 carry out fine buffering effect, be convenient for protect anti-dazzling screen.

The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a LED is anti-dazzling screen stamping device for backlight, includes base (1), support frame (2), hydraulic structure (3) and installation component, its characterized in that: the upper end fixed mounting of base (1) has support frame (2), the inside upper end fixed mounting of support frame (2) has hydraulic structure (3), the lower extreme of hydraulic structure (3) is provided with the output, the output has punching press head (4) through installation component demountable installation, the inside of base (1) is provided with spacing subassembly, is convenient for carry on spacingly to the anti-dazzling screen, avoids producing the skew in stamping process.

2. The apparatus of claim 1, wherein the stamping apparatus comprises: the limiting assembly comprises a motor (5), a double-thread screw (6), a movable threaded sleeve (7), a connecting block (8), a limiting rail (9), a sliding block (10), a clamping plate (11), a movable block (12), a movable groove (13), a groove (14), a control block (15), a movable rod (16), a pressing plate (17) and a reset spring (18), wherein the motor (5) is fixedly mounted on one side of the base (1).

3. The apparatus of claim 2, wherein the stamping apparatus comprises: the movable groove (13) is formed in the middle of the upper end of the base (1), a return spring (18) is fixedly mounted inside the movable groove (13), a moving block (12) is fixedly mounted at the lower end of the return spring (18), and a moving rod (16) is fixedly mounted at the upper end of the moving block (12).

4. The apparatus of claim 3, wherein the stamping apparatus comprises: the upper end fixed mounting of movable rod (16) has clamp plate (17), the lower extreme fixed mounting of clamp plate (17) has control block (15) with motor (5) matched with, recess (14) with clamp plate (17) matched with have been seted up to the intermediate position department of base (1).

5. The apparatus of claim 4, wherein the stamping apparatus comprises: the lower extreme fixed mounting of base (1) inside has spacing rail (9), the internally mounted of base (1) has double thread screw rod (6) that are connected with motor (5) output, the both ends of double thread screw rod (6) all are equipped with and remove swivel nut (7).

6. The apparatus of claim 5, wherein the stamping apparatus comprises: the lower extreme fixed mounting of removing swivel nut (7) has slider (10) with spacing rail (9) swing joint, the upper end fixed mounting of removing swivel nut (7) has connecting block (8), cardboard (11) with connecting block (8) upper end fixed connection are all installed to the both sides of base (1) upper end.

7. The apparatus of claim 6, wherein the stamping apparatus comprises: the mounting assembly comprises a mounting sleeve (19), a fixing ring (20), a mounting rod (21), a buffer spring (22), a mounting ring (23), a movable clamping block (24) and a clamping and fixing spring (25), the surface of the output end is fixedly provided with the fixing ring (20), and the mounting rod (21) is fixedly mounted on two sides of the lower end of the fixing ring (20).

8. The apparatus of claim 7, wherein the stamping apparatus comprises: the mounting structure is characterized in that a clamping spring (25) is fixedly mounted inside the lower end of the mounting rod (21), movable clamping blocks (24) are fixedly mounted at two ends of the clamping spring (25), the lower end of each movable clamping block (24) is inclined, and a buffer spring (22) fixedly connected with the fixing ring (20) is sleeved on the surface of the mounting rod (21).

9. The apparatus of claim 8, wherein the stamping apparatus comprises: the utility model discloses a punching press, including punching press head (4), the upper end fixed mounting of punching press head (4) has the cover to establish installation cover (19) in the output outside, the upper end fixed mounting of installation cover (19) has collar (23), the perforation of interlude installation pole (21) is seted up on the surface of collar (23), the lower extreme of collar (23) is laminated with the upper end of activity fixture block (24) mutually.