CN218984475U

CN218984475U - Back plate assembly vacuum pressure detection jig

Info

Publication number: CN218984475U
Application number: CN202222154534.2U
Authority: CN
Inventors: 杜建伟
Original assignee: Chongqing Canheng Photoelectric Technology Co ltd
Current assignee: Chongqing Canheng Photoelectric Technology Co ltd
Priority date: 2022-08-16
Filing date: 2022-08-16
Publication date: 2023-05-09
Anticipated expiration: 2032-08-16

Abstract

The utility model provides a backboard component vacuum pressure detection jig, which comprises the following components: the positioning bottom plate is provided with a back plate positioning groove, two sides of the back plate positioning groove are also provided with a position avoiding groove, the position avoiding groove is communicated with the back plate positioning groove, the position avoiding groove is also provided with a negative pressure hole, and the bottom wall of the position avoiding groove is lower than the bottom wall of the back plate positioning groove; the sealing frame plate is hinged to the positioning bottom plate, and the inner side edge of the sealing frame plate is pressed on the back plate assembly when the sealing frame plate is hinged; the locking assembly comprises a plurality of locking buckles, and the locking buckles are hinged on the positioning bottom plate. The pressing jig is simple in structure, and can enable all layers of diaphragms in the diaphragm assembly to be in a tightly pressed state in a vacuum pumping mode, so that the diaphragms of the backboard can be conveniently detected.

Description

Back plate assembly vacuum pressure detection jig

Technical Field

The utility model belongs to the field of notebook back plates, and particularly relates to a back plate assembly vacuum pressure detection jig.

Background

After the assembly of the notebook back plate assembly is completed, the diaphragm assembly on the notebook back plate assembly needs to be detected, and the main detection targets are whether small holes, black spots and the like exist on the diaphragm assembly, if not, the diaphragm assembly is qualified, and if so, the diaphragm assembly needs to be replaced again and then is assembled.

In the prior art, when detecting the small holes or the black spots on the diaphragm assembly, visual inspection is adopted to observe whether the surface is provided with the small holes or the black spots, if the first diaphragm is provided with the small holes or the black spots, the first diaphragm is directly observed, but if the second diaphragm and the third diaphragm are provided with the small holes or the black spots, the first diaphragm is not easily observed, so that an operator is required to manually compress the diaphragm assembly to observe the second diaphragm and the third diaphragm to be provided with the small holes or the black spots, the detection efficiency is greatly reduced by manually compressing the diaphragm assembly, and partial areas are possibly not compressed when the diaphragm assembly is manually compressed, so that missed detection is caused.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides the vacuum pressing detection jig for the backboard component, which has a simple structure, and can enable each layer of membrane in the membrane component to be in a tightly pressed state in a vacuum extraction mode, so that the detection of the membrane of the backboard is facilitated.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: a backboard component vacuum pressure detection fixture comprises:

the positioning bottom plate is provided with a back plate positioning groove, two sides of the back plate positioning groove are also provided with a position avoiding groove, the position avoiding groove is communicated with the back plate positioning groove, the position avoiding groove is also provided with a negative pressure hole, and the bottom wall of the position avoiding groove is lower than the bottom wall of the back plate positioning groove;

the sealing frame plate is hinged to the positioning bottom plate, and the inner side edge of the sealing frame plate is pressed on the back plate assembly when the sealing frame plate is hinged;

the locking assembly comprises a plurality of locking buckles, and the locking buckles are hinged on the positioning bottom plate.

Further, a turnover handle is fixed at the bottom of the sealing frame plate.

Further, the sealing frame plate is hinged on the positioning bottom plate through a hinge and a cushion block, and the positioning bottom plate is also fixed with a limiting vertical plate between the cushion blocks.

Further, the left side and the right side of the backboard positioning groove are respectively provided with an adjusting groove, an adjusting plate is connected in the adjusting grooves, a waist-shaped groove is formed in the adjusting plate, and the adjusting plate is connected in the adjusting grooves in an adjustable mode through the waist-shaped grooves.

Further, the locking buckle is hinged on the positioning bottom plate through a hinged hinge.

Further, foot pads are fixed at four corners of the bottom of the positioning bottom plate, a vacuum generator is fixed below the positioning bottom plate, and the vacuum generator is connected in the negative pressure hole through a hose.

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

1. the pressing jig is simple in structure, and can enable all layers of diaphragms in the diaphragm assembly to be in a tightly pressed state in a vacuum pumping mode, so that the diaphragms of the backboard can be conveniently detected;

2. the left side and the right side of the backboard positioning groove are respectively provided with the adjusting grooves, and the positions of the backboard positioning grooves can be adjusted through the adjusting plates in the positioning grooves, so that the fixture is applicable to backboard assemblies of different types, and the universality of the fixture is higher;

3. the sealing frame plate is tightly pressed on the membrane of the back plate assembly, a closed cavity can be formed, and the pressing force of the sealing frame plate is further increased through the action of the locking buckle, so that the outside air is prevented from entering the sealing frame plate after the negative pressure is formed.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a side view of another directional structure of the present utility model;

FIG. 3 is a block diagram of a positioning base plate of the present utility model;

FIG. 4 is a cross-sectional view of the present utility model;

fig. 5 is an enlarged view of section a of fig. 4 in accordance with the present utility model.

In the figure: 1. positioning a bottom plate; 2. a backboard positioning groove; 3. a clearance groove; 4. a cushion block; 5. a hinge; 6. sealing the frame plate; 7. A limiting vertical plate; 8. locking buckles; 9. a turning handle; 10. an adjustment tank; 11. an adjusting plate; 12. a waist-shaped groove; 13. foot pads; 14. a vacuum generator; 15. a membrane; 16. a negative pressure hole; 17. a back plate.

Detailed Description

The technical scheme of the utility model is further described below with reference to the accompanying drawings and examples.

As shown in fig. 1 to 5, an embodiment of the present utility model provides a vacuum pressure detection fixture for a back plate assembly, including:

the positioning bottom plate 1 is provided with a back plate positioning groove 2, the positioning bottom plate 1 is also provided with a clearance groove 3 at two sides of the back plate positioning groove 2, the clearance groove 3 is communicated with the back plate positioning groove 2, the clearance groove 3 is also provided with a negative pressure hole 16, and the bottom wall of the clearance groove 3 is lower than the bottom wall of the back plate positioning groove 2; through the positioning bottom plate 1, the backboard assembly can be positioned quickly, specifically, the backboard 17 at the bottom of the backboard assembly is positioned and connected in the backboard positioning groove 2, and the two sides of the backboard positioning groove 2 are provided with the avoidance grooves 3, so that an operator can put down the backboard 17 from the avoidance grooves 3 conveniently;

a sealing frame plate 6, the sealing frame plate 6 is hinged on the positioning bottom plate 1, and the inner side edge of the sealing frame plate 6 is pressed on the back plate assembly when the sealing frame plate 6 is hinged; through the sealing frame plate 6, when the sealing frame plate is turned downwards, the sealing frame plate can be pressed on the diaphragm 15 of the back plate assembly, so that a sealing cavity is formed between the clearance groove 3 and the sealing frame plate 6;

the locking assembly comprises a plurality of locking buckles 8, and the locking buckles 8 are hinged on the positioning bottom plate 1. Through the effect of locking subassembly, can firmly compress tightly sealed framed board 6 on backplate subassembly's diaphragm 15, avoid gas to enter into between the diaphragm 15 from the external world.

When the utility model is used, the process is as follows, when the membrane 15 on the back plate 17 needs to be detected, the back plate assembly is firstly connected in the back plate positioning groove 2 through the back plate 17 at the bottommost part, after the back plate assembly is connected, the sealing frame plate 6 is turned over, so that the four frame edges of the sealing frame plate 6 are pressed tightly on the membrane 15, a closed cavity is formed between the sealing frame plate 6 and the space avoidance groove 3, then a hose connected with the negative pressure hole 16 is used for extracting air in the closed cavity under the action of the vacuum generator 14, at the moment, the gas between the membrane 15 also enters the closed cavity and finally is discharged, at the moment, the membrane 15 is tightly attached and adsorbed together, an operator can directly observe the multi-layer membrane 15, if the lower layers of membrane 15 have small holes or black points, the first layer of membrane 15 can also be shown, after the detection is finished, the vacuum generator 14 stops running, the sealing frame plate 6 is reset and turned over, and finally the back plate assembly can be taken down.

Further, a turnover handle 9 is fixed at the bottom of the sealing frame plate 6. Because the bottom of the sealing frame plate 6 is fixed with the overturning handle 9, the sealing frame plate 6 can be overturned more quickly and conveniently.

Further, the sealing frame plate 6 is hinged on the positioning base plate 1 through a hinge 5 and the cushion blocks 4, and the positioning base plate 1 is also fixed with a limiting vertical plate 7 between the cushion blocks 4. Through this kind of connection structure, sealed framed panel 6 can realize quick upset, simultaneously, is fixed with spacing riser 7 on the locating bottom plate 1, can avoid sealed framed panel 6 to keep at certain angle in the upset.

Further, the left side and the right side of the backboard positioning groove 2 are respectively provided with an adjusting groove 10, an adjusting plate 11 is connected in the adjusting groove 10, a waist-shaped groove 12 is formed in the adjusting plate 11, and the adjusting plate 11 is adjustably connected in the adjusting groove 10 through the waist-shaped groove 12. Specifically, by providing the adjustment groove 10, the adjustment plate 11 can be adjusted in position in the adjustment groove 10, so that the back plates 17 of different models and sizes can be positioned.

Further, the locking buckle 8 is hinged on the positioning bottom plate 1 through the hinge 5. Because the locking buckle 8 is connected to the positioning bottom plate 1 through the hinge 5 in a hinged manner, when the sealing frame plate 6 needs to be locked, the locking buckle 8 can be directly turned over.

Further, foot pads 13 are fixed at four corners of the bottom of the positioning bottom plate 1, a vacuum generator 14 is fixed below the positioning bottom plate 1, and the vacuum generator 14 is connected in the negative pressure hole 16 through a hose. According to the utility model, the foot pads 13 are fixed at four corners of the positioning bottom plate 1, and the height of the positioning bottom plate 1 can be increased by arranging the foot pads 13, so that the vacuum generator 14 can be arranged below the positioning bottom plate 1, and the air in the closed cavity can be conveniently extracted. In addition, a solenoid valve can be arranged on the side surface of the positioning bottom plate, and the solenoid valve is connected with the vacuum generator and then connected with the negative pressure hole, and the formation of vacuum in the sealing cavity is controlled through the solenoid valve.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.

Claims

1. A backplate subassembly vacuum pressure examines tool, its characterized in that includes:

2. The backboard assembly vacuum pressure detection fixture according to claim 1, wherein: and a turnover handle is fixed at the bottom of the sealing frame plate.

3. The backboard assembly vacuum pressure detection fixture according to claim 2, wherein: the sealing frame plate is hinged on the positioning bottom plate through a hinge and a cushion block, and the positioning bottom plate is also fixed with a limiting vertical plate between the cushion blocks.

4. The backboard assembly vacuum pressure detection fixture according to claim 3, wherein: the left side and the right side of the backboard positioning groove are respectively provided with an adjusting groove, an adjusting plate is connected in the adjusting grooves, a waist-shaped groove is formed in the adjusting plate, and the adjusting plate is connected in the adjusting grooves in an adjustable mode through the waist-shaped grooves.

5. The backboard assembly vacuum pressure detection fixture according to claim 3, wherein: the locking buckle is hinged on the positioning bottom plate through a hinged hinge.

6. The backboard assembly vacuum pressure detection fixture according to claim 5, wherein: foot pads are fixed at four corners of the bottom of the positioning bottom plate, a vacuum generator is fixed below the positioning bottom plate, and the vacuum generator is connected in the negative pressure hole through a hose.