CN215548459U

CN215548459U - Production center fixing device for LED display screen

Info

Publication number: CN215548459U
Application number: CN202121162855.6U
Authority: CN
Inventors: 贺宏杰; 李春娟
Original assignee: Shijiazhuang Chunchun Technology Co ltd
Current assignee: Shijiazhuang Chunchun Technology Co ltd
Priority date: 2021-05-27
Filing date: 2021-05-27
Publication date: 2022-01-18
Anticipated expiration: 2031-05-27

Abstract

The utility model relates to the technical field of middle frame fixing, in particular to a middle frame fixing device for producing an LED display screen, which comprises a workbench, wherein two clamping electric cylinders are arranged on the workbench, the middle frame fixing device also comprises two supporting plates, the supporting plates are arranged at the output ends of the clamping electric cylinders, the other ends of the supporting plates are provided with flexible adsorption disks through connecting frames, supporting pieces are slidably arranged on the connecting frames, positioning pieces are arranged between the supporting pieces and the connecting frames, the interior of each flexible adsorption disk is communicated with and provided with an adsorption piece, the supporting plates are provided with blowing and sucking dual-purpose fans, the blowing and sucking dual-purpose fans are communicated and provided with air bins, the adsorption pieces are communicated with the air bins through air pipes, one of the two supporting plates is rotatably provided with a plurality of telescopic adjusting supporting rods, and a containing limit piece is arranged between each telescopic adjusting supporting rod and the supporting plate, it is comparatively soft carrying out the centre gripping to the center sample when not fragile debugging when carrying out the debugging of centre gripping distance to the center of different specifications.

Description

Production center fixing device for LED display screen

Technical Field

The utility model relates to the technical field of middle frame fixing, in particular to a middle frame fixing device for producing an LED display screen.

Background

The LED display screen is in the in-process of production and processing, often need use the center to support it fixedly, and the center has obtained the wide use in LED display screen appurtenance field, and the center is producing man-hour, need use fixing device to carry out the centre gripping and fix it to in order to process it.

The existing middle frame fixing device for producing the LED display screen comprises a workbench, wherein two clamping electric cylinders are installed on the workbench, the output ends of the clamping electric cylinders are connected with clamping pieces, when the middle frame fixing device is used, the two clamping electric cylinders work oppositely at the same time, the two clamping pieces are driven to be close to each other until the middle frame is clamped between the two clamping pieces, and then the middle frame is processed.

Although the clamping and fixing operation of the middle frame is convenient, the middle frame is relatively rigid when being clamped and fixed, the middle frame is easy to damage or deform, the subsequent processing difficulty is increased, and the middle frame sample during debugging is easy to damage when the middle frame with different specifications is debugged by clamping distances.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a middle frame fixing device for producing an LED display screen, which aims to solve the problems that a middle frame is easy to damage to a certain extent when clamped and fixed and a middle frame sample is easy to damage when a clamping distance is debugged.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: a middle frame fixing device for producing an LED display screen comprises a workbench, two clamping electric cylinders and two flexible clamping assemblies corresponding to the clamping electric cylinders, the flexible clamping component comprises a supporting plate which is fixedly arranged at the output end of the clamping electric cylinder, the other end of the supporting plate is provided with a flexible adsorption disc through a connecting frame, a supporting piece is arranged on the connecting frame in a sliding way, a positioning piece is arranged between the supporting piece and the connecting frame, the interior of the flexible adsorption disc is communicated with and provided with an adsorption piece, the side wall of the supporting plate is provided with a blowing and sucking dual-purpose fan through a supporting seat, the air chamber is installed in the output intercommunication of blowing and inhaling dual-purpose fan, the absorption piece passes through intercommunication in trachea and the air chamber, rotates on one backup pad in two backup pads and installs a plurality of telescopic regulation bracing pieces to be provided with between telescopic regulation bracing piece and the backup pad and accomodate the locating part.

Preferably, the connecting frame comprises a connecting seat, the connecting seat is fixedly connected with the supporting plate through a plurality of connecting rods, and the flexible adsorption disc is installed on the connecting seat through a connecting ring.

Preferably, the supporting piece comprises a supporting plate, two adjusting plates are fixedly connected to the side wall of the supporting plate, one end of each adjusting plate, which is close to the connecting seat, is fixedly connected with a sliding block, two sliding grooves matched with the sliding blocks are correspondingly formed in the side wall of the connecting seat, and the sliding blocks are in sliding fit with the sliding grooves.

Preferably, the adsorption part comprises an adsorption supporting pipe, one part of the adsorption supporting pipe is positioned in the flexible adsorption disc, a plurality of air vents are formed in the part of the adsorption supporting pipe positioned in the flexible adsorption disc, and the other part of the adsorption supporting pipe sequentially penetrates through the flexible adsorption disc and the connecting seat and stretches out of the connecting rods to be communicated with the air pipe.

Preferably, the telescopic adjusting support rod comprises a base body screw rod, the base body screw rod is rotatably installed at one end, facing to the other support plate, of the support plate, and an adjusting screw cylinder is sleeved on the outer thread of the base body screw rod.

On the basis of the scheme, the accommodating limiting part is a U-shaped limiting ring, a plurality of limiting grooves matched with the U-shaped limiting ring are correspondingly formed in the supporting plate rotatably provided with the base body screw rod, the limiting grooves are communicated with the outside to form limiting screw holes, limiting bolts are connected with the limiting screw holes in an internal threaded mode, and a plurality of limiting screw grooves matched with the limiting bolts are formed in the side wall of the U-shaped limiting ring.

Preferably, the positioning piece comprises a plurality of positioning bolts, positioning screw holes are formed in the side wall of the adjusting plate in a penetrating mode, and the positioning bolts are connected in the positioning screw holes in a threaded mode.

On the basis of the scheme, the end face of the adsorption supporting pipe, which is positioned in the flexible adsorption disc, is flush with the end face, which is far away from the connecting seat, of the flexible adsorption disc.

(III) advantageous effects

Compared with the prior art, the utility model provides a middle frame fixing device for producing an LED display screen, which has the following beneficial effects:

1. the fixing device for the middle frame for producing the LED display screen is convenient for driving the two supporting plates to be close to each other or far away from each other simultaneously through the two clamping electric cylinders, when the two supporting plates are close to each other simultaneously, the other ends of the supporting plates are flexibly attached to the middle frame to be clamped through the flexible adsorption disc installed on the connecting frame, the adsorption piece communicated and installed inside the flexible adsorption disc is simultaneously supported on the middle frame, simultaneously, the adsorption piece and the flexible adsorption disc can carry out vacuum adsorption on the middle frame while supporting and clamping through the matching of the blowing and sucking dual-purpose fan, the air bin, the air pipe and the adsorption piece, the support piece and the flexible adsorption disc are slidably installed on the connecting frame, a certain bearing can be simultaneously carried out on the middle frame while clamping the middle frame, the height position of the bearing of the support piece can be adjusted through the sliding fit of the support piece and the connecting frame, and meanwhile, the positioning piece arranged between the support piece and the connecting frame can limit and position the adjusting position of the support piece, therefore, the middle frame fixing device for producing the LED display screen is softer in clamping and not easy to damage or deform the middle frame.

2. The middle frame fixing device for producing the LED display screen is characterized in that a plurality of telescopic adjusting support rods are rotatably arranged on one support plate in the two support plates, when the clamping distance of the middle frames with different specifications is adjusted, a plurality of telescopic adjusting support rods can traverse between the two support plates, so that the direct stress of a sample of the middle frame is reduced, thereby being convenient for reducing the damage of the middle frame sample caused by over-large sudden stress, continuously controlling the distance between the two supporting plates by continuously adjusting the telescopic distance of the plurality of telescopic adjusting supporting rods during debugging, being controllable and stable during debugging, simultaneously, because the containing limit piece is arranged between the telescopic adjusting support rod and the support plate, the telescopic adjusting support rod can be contained at one side of the support plate when debugging is not needed, therefore, this production center fixing device for LED display screen is not fragile when the debugging of centre gripping distance is carried out to the center of different specifications middle frame sample when debugging.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1A;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B according to the present invention;

fig. 4 is a schematic plan view of the present invention.

In the figure: 1. a work table; 2. clamping an electric cylinder; 3. a support plate; 4. a flexible adsorption disk; 5. a supporting seat; 6. a blowing and sucking dual-purpose fan; 7. a gas bin; 8. an air tube; 9. a connecting seat; 10. a connecting rod; 11. a connecting ring; 12. a support plate; 13. an adjusting plate; 14. a chute; 15. an adsorption support tube; 16. a base screw; 17. adjusting the screw cylinder; 18. a U-shaped limiting ring; 19. a limit bolt; 20. and (6) positioning the bolt.

Detailed Description

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.

Examples

Referring to fig. 1-4, a middle frame fixing device for producing an LED display screen comprises a workbench 1, two clamping electric cylinders 2 are installed on the workbench 1, and two flexible clamping assemblies corresponding to the clamping electric cylinders 2 are further included, each flexible clamping assembly comprises a supporting plate 3, the supporting plate 3 is fixedly installed at an output end of the clamping electric cylinder 2, a flexible adsorption plate 4 is installed at the other end of the supporting plate 3 through a connecting frame, the flexible adsorption plate 4 is conveniently and flexibly attached to a middle frame to be clamped, the connecting frame comprises a connecting seat 9, the connecting seat 9 is fixedly connected with the supporting plate 3 through a plurality of connecting rods 10, the flexible adsorption plate 4 is installed on the connecting seat 9 through a connecting ring 11, a bearing member is slidably installed on the connecting frame, the bearing member comprises a bearing plate 12, two adjusting plates 13 are fixedly connected to side walls of the bearing plate 12, and a slider is fixedly connected to one end of the adjusting plate 13 close to the connecting seat 9, correspond on the lateral wall of connecting seat 9 and offer two spouts 14 that match with the slider, and the slider is sliding fit with spout 14, through two regulating plates 13 of sliding on connecting seat 9, can adjust the bearing position of bearing board 12, be provided with the setting element between bearing piece and the link, the setting element includes a plurality of positioning bolt 20, run through on the lateral wall of regulating plate 13 and offered the location screw, positioning bolt 20 threaded connection is in the location screw, a plurality of positioning bolt 20 can carry out spacing fixed to the sliding position of regulating plate 13, thereby can restrict the location to the adjusting position of bearing board 12.

It should be further explained that the interior of the flexible adsorption tray 4 is communicated with and installed with an adsorption piece, the side wall of the support plate 3 is installed with a blowing and sucking dual-purpose fan 6 through a support seat 5, the output end of the blowing and sucking dual-purpose fan 6 is communicated with and installed with an air bin 7, the adsorption piece is communicated with the air bin 7 through an air pipe 8, the adsorption piece comprises an adsorption support pipe 15, one part of the adsorption support pipe 15 is positioned in the flexible adsorption tray 4, a plurality of vent holes are arranged on the part of the adsorption support pipe 15 positioned in the flexible adsorption tray 4, the other part of the adsorption support pipe 15 sequentially penetrates through the flexible adsorption tray 4 and a connecting seat 9 and extends out from a plurality of connecting rods 10 to be communicated with the air pipe 8, and the adsorption support pipe 15 and the flexible adsorption tray 4 can support and clamp the middle frame in vacuum adsorption mode through the cooperation of the blowing and sucking dual-purpose fan 6, the air bin 7, the air pipe 8 and the adsorption support pipe 15, the end face of the adsorption supporting pipe 15 located in the flexible adsorption disc 4 is flush with the end face of the flexible adsorption disc 4 far away from the connecting seat 9, so that the adsorption supporting pipe 15 can be supported on the middle frame when the flexible adsorption disc 4 is attached to the middle frame.

It should be further noted that, a plurality of telescopic adjusting support rods are rotatably mounted on one support plate 3 of the two support plates 3, for the accuracy of adjustment, the rotation range of the telescopic adjusting support rod can be set to only rotate between 0 degree and 90 degrees, so that the telescopic adjusting support rod can only traverse between the two support plates 3 or be accommodated at one side of one support plate 3 at two rotation ends, the telescopic adjusting support rod comprises a base body screw 16, the base body screw 16 is rotatably mounted at one end of the support plate 3 facing the other support plate 3, an adjusting screw 17 is sleeved on the outer thread of the base body screw 16, the adjusting screw 17 is matched with the thread of the base body screw 16 to adjust the overall length of the telescopic adjusting support rod, and an accommodating limiting member is disposed between the telescopic adjusting support rod and the support plate 3, the accommodating limiting member is a U-shaped limiting ring 18, a plurality of limiting grooves matched with the U-shaped limiting ring 18 are correspondingly formed in the supporting plate 3 rotatably provided with the base body screw 16, the limiting grooves are communicated with limiting screw holes in the outside, limiting screw holes are connected with limiting bolts 19 in an internal thread manner, a plurality of limiting screw grooves matched with the limiting bolts 19 are formed in the side wall of the U-shaped limiting ring 18, the U-shaped limiting ring 18 is inserted into the limiting screw holes, the limiting bolts 19 are simultaneously connected into the limiting screw holes and the limiting screw grooves in a threaded manner, and the telescopic adjusting supporting rod can be accommodated in one side of the supporting plate 3 when the adjusting is not needed.

The clamping electric cylinder 2 and the blowing and sucking dual-purpose fan 6 in the embodiment are conventional devices which are purchased from the market and are known by technical personnel in the field, the models of the clamping electric cylinder 2 and the blowing and sucking dual-purpose fan 6 are LX1000-063 and XY21D respectively, and can be customized or selected according to actual needs.

In summary, the working principle and working process of the middle frame fixing device for producing the LED display screen are that when the middle frame needs to be clamped and fixed, the two clamping electric cylinders 2 can be opened first, so that the two clamping electric cylinders 2 drive the two support plates 3 to be close to each other simultaneously until the flexible adsorption disc 4 is flexibly attached to the middle frame to be clamped, the adsorption member communicated and installed inside the flexible adsorption disc 4 is simultaneously supported on the middle frame, because the end surface of the adsorption support tube 15 located inside the flexible adsorption disc 4 is flush with the end surface of the flexible adsorption disc 4 far from the connecting seat 9, the adsorption support tube 15 is supported on the middle frame when the flexible adsorption disc 4 is attached to the middle frame, at this time, the blower 6 for blowing and suction can be opened to work, negative pressure suction can be generated inside the adsorption support tube 15 and the flexible adsorption disc 4 through the air chamber 7 and the plurality of air tubes 8, and vacuum adsorption can be performed on the middle frame while supporting and clamping, the clamping and fixing of the middle frame are soft.

Meanwhile, because slidable mounting has the supporting piece on the link, can carry out certain bearing to the center simultaneously when carrying out the centre gripping to the center, stability when further increasing the centre gripping center, when the bearing position to bearing board 12 needs to be adjusted, can screw out a plurality of positioning bolt 20 earlier, make regulating plate 13 can drive bearing board 12 slide adjusting on supporting seat 5, reset a plurality of positioning bolt 20 after adjusting well, and screw a plurality of positioning bolt 20 and make the other end of a plurality of positioning bolt 20 and supporting seat 5 in close contact with, it can to carry out spacing fixed to the sliding position of regulating plate 13.

When the centre frame of different specifications carries out the debugging of centre gripping distance when needs, can screw out a plurality of spacing bolts 19 earlier, make U type spacing ring 18 can extract from a plurality of spacing inslots, thereby can make telescopic regulation bracing piece can traverse between two backup pads 3, the direct atress of centre frame sample when reducing the debugging, thereby can reduce the condition that the centre frame sample damaged because of the sudden too big atress, accessible spiral rotation regulation barrel 17 constantly adjusts the whole length of a plurality of telescopic regulation bracing pieces on base member screw rod 16 during the debugging, thereby constantly the distance between two backup pads 3 of accuse, comparatively controllable and stable during the debugging.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a production center fixing device for LED display screen, includes workstation (1), installs two centre gripping electric jar (2) on workstation (1), its characterized in that: the flexible clamping device is characterized by further comprising two flexible clamping components corresponding to the clamping electric cylinder (2), each flexible clamping component comprises a supporting plate (3), the supporting plates (3) are fixedly arranged at the output end of the clamping electric cylinder (2), the other ends of the supporting plates (3) are provided with flexible adsorption discs (4) through connecting frames, supporting pieces are arranged on the connecting frames in a sliding mode, positioning pieces are arranged between the supporting pieces and the connecting frames, adsorption pieces are arranged in the flexible adsorption discs (4) in a communicating mode, blowing and sucking dual-purpose fans (6) are arranged on the side walls of the supporting plates (3) through supporting seats (5), air bins (7) are arranged in the output end of the blowing and sucking dual-purpose fans (6) in a communicating mode, the adsorption pieces are communicated with the air bins (7) through air pipes (8), and a plurality of telescopic adjusting supporting rods are arranged on one supporting plate (3) of the two supporting plates (3) in a rotating mode, and a containing limit part is arranged between the telescopic adjusting support rod and the support plate (3).

2. The fixing device for the middle frame of the LED display screen, according to claim 1, is characterized in that: the connecting frame comprises a connecting seat (9), the connecting seat (9) is fixedly connected with the supporting plate (3) through a plurality of connecting rods (10), and the flexible adsorption disc (4) is installed on the connecting seat (9) through a connecting ring (11).

3. The fixing device for the middle frame of the LED display screen, according to claim 2, is characterized in that: the bearing piece comprises a bearing plate (12), two adjusting plates (13) are fixedly connected to the side wall of the bearing plate (12), one end of each adjusting plate (13) close to the connecting seat (9) is fixedly connected with a sliding block, two sliding grooves (14) matched with the sliding blocks are correspondingly formed in the side wall of the connecting seat (9), and the sliding blocks are in sliding fit with the sliding grooves (14).

4. The fixing device for the middle frame of the LED display screen, according to claim 3, is characterized in that: the adsorption part comprises an adsorption support pipe (15), one part of the adsorption support pipe (15) is positioned in the flexible adsorption disc (4), a plurality of vent holes are formed in the part of the adsorption support pipe (15) positioned in the flexible adsorption disc (4), and the other part of the adsorption support pipe (15) sequentially penetrates through the flexible adsorption disc (4) and the connecting seat (9) and extends out of the connecting rods (10) to be communicated with the air pipe (8).

5. The fixing device for the middle frame of the LED display screen, according to claim 4, is characterized in that: the telescopic adjusting support rod comprises a base body screw rod (16), the base body screw rod (16) is rotatably installed at one end, facing to the other support plate (3), of the support plate (3), and an adjusting screw cylinder (17) is sleeved on the outer thread of the base body screw rod (16).

6. The fixing device for the middle frame of the LED display screen, according to claim 5, is characterized in that: the accommodating limiting part is a U-shaped limiting ring (18), a plurality of limiting grooves matched with the U-shaped limiting ring (18) are correspondingly formed in a supporting plate (3) rotatably provided with a base body screw (16), the limiting grooves are communicated with the outside to form limiting screw holes, limiting bolts (19) are connected in the limiting screw holes in an internal thread mode, and a plurality of limiting screw grooves matched with the limiting bolts (19) are formed in the side wall of the U-shaped limiting ring (18).

7. The fixing device for the middle frame of the LED display screen, according to claim 6, is characterized in that: the locating piece comprises a plurality of locating bolts (20), locating screw holes are formed in the side wall of the adjusting plate (13) in a penetrating mode, and the locating bolts (20) are connected in the locating screw holes in a threaded mode.

8. The fixing device for the middle frame of the LED display screen, according to claim 7, is characterized in that: the end face of the adsorption support pipe (15) located in the flexible adsorption disc (4) is flush with the end face of the flexible adsorption disc (4) far away from the connecting seat (9).