CN103108521B - The manufacture method of front mount structure, display device and display device - Google Patents

Abstract

The invention discloses the manufacture method of a kind of front mount structure, display device and display device, described front mount structure includes some holding parts being sequentially connected with, and there is between adjacent holding part the first precutting trough, described holding part includes the first clamping plate and this first clamping plate two ends bend the second clamping plate of extension respectively, and described second clamping plate is provided with buckle structure。Thus, by the front frame of display device is carried out modularity setting, can be automatically sent to assemble object by front mount structure by board, after one of them holding part completes assembling by buckle structure with assembling object, holding part in the past mount structure will be separated along the first precutting trough, then refilling and join next holding part, the some holding parts after assembling are equivalent to front frame of the prior art。It is achieved thereby that Automated assembly, improve production efficiency；Front mount structure is formed, it is possible to be applied to the display device of various length and width size, thus die cost can be reduced due to holding part standardization。<!--1-->

Description

Front frame structure, display device and manufacturing method of display device

technical field

The present invention relates to the technical field of display devices, in particular to a front frame structure, a display device and a manufacturing method of the display device.

Background technique

Display devices are widely used in various electronic products such as computers, televisions, and mobile phones, and are indispensable products for people in modern society. An existing display device includes a backplane, a middle frame and a front frame stacked in sequence, and a display screen housed in a cavity formed by the backplane and the middle frame. The front frame is usually a rectangular sheet metal frame structure, which is pressed on the middle frame and the back plate, and fastened to the middle frame and the back plate by screws, so that the display screen can be fixed on the back plate and the middle frame. in the enclosed cavity.

The existing front frame structure, due to the rectangular frame structure, if it is integrated, there will be a large piece of sheet metal in the middle that cannot be used, resulting in waste of materials and increasing material costs; if it is an assembled structure, manual assembly is required first , which increases the assembly cost, and both need to be screwed to fasten the middle frame and the backplane, and the production efficiency is low. At the same time, the length and width of the front frame need to match the length and width of the corresponding display device, and the front frame cannot be standardized and applied to display devices of various sizes, so the mold cost is high.

To sum up, the existing front frame structure has problems such as low production efficiency and high production cost.

Contents of the invention

The main purpose of the present invention is to provide a front frame structure, a display device and a manufacturing method of the display device, aiming at improving the production efficiency of the display device and reducing the production cost.

In order to achieve the above purpose, the present invention proposes a front frame structure, which includes a number of sequentially connected clips, and there is a first pre-cut groove between adjacent clips, and the clips include a first clip plate and a second clamping plate that is bent and extended at both ends of the first clamping plate, and the second clamping plate is provided with a buckle structure.

Preferably, the buckle structure includes a through hole provided on the second clamping plate and a tongue-shaped rib protruding vertically from a side wall of the through hole.

Preferably, the buckle structure includes two slots opposite to the second clamping plate and a second pre-cut slot connecting the two slots.

Preferably, the front frame structure is integrally punched and bent from a sheet metal part.

The present invention also proposes a display device, which includes a middle frame and a back plate stacked up and down, and also includes a clamping member for fixing the middle frame and the back plate, and the clamping member includes a first abutting against the side of the middle frame. A clamping plate and a second clamping plate that is bent and extended at both ends of the first clamping plate, wherein the second clamping plate at one end abuts against the upper end surface of the middle frame, and the second clamping plate at the other end Abutting against the bottom surface of the back plate, the second clamping plate is provided with a buckle structure, and the middle frame and the back plate are correspondingly provided with a buckle groove that fits and engages with the buckle structure.

Preferably, the buckle structure includes a through hole provided on the second clamping plate and a tongue-shaped rib protruding from the side wall of the through hole, and the tongue-shaped rib is bent inward and extends into the The inside of the card slot fits and engages with the card slot.

Preferably, the clamping part is integrally punched and bent from a sheet metal part.

The present invention also proposes a manufacturing method of a display device, comprising the steps of:

The front frame structure is made, which includes several holding pieces connected in sequence, and there is a first pre-cut groove between adjacent holding pieces, and the holding piece includes a first holding plate and two sides of the first holding plate. The ends are respectively bent and extended to the second clamping plate, and the second clamping plate is provided with a buckle structure;

A slot corresponding to the buckle structure on the holding member is provided on the middle frame and the back plate;

Fit and engage the buckle structure on the clip at the end of the front frame structure with the corresponding slot on the middle frame and the back panel;

The clip at the end of the front frame structure is separated from the front frame structure along the first pre-cut groove.

Preferably, the buckle structure includes a through hole provided on the second clamping plate and a tongue-shaped rib protruding vertically from a side wall of the through hole.

Preferably, said fitting and engaging the buckle structure on the clip at the end of the front frame structure with the corresponding slot on the middle frame and the back plate includes:

Align the tongue-shaped rib plate on the clip at the end of the front frame structure with the corresponding slot on the middle frame and the back panel;

The tongue-shaped rib plate is punched to make it bend inward and extend into the draw-in groove to fit and engage with the draw-in groove.

In the front frame structure provided by the present invention, the front frame of the display device is modularized, and the front frame structure can be automatically sent to the assembly object by the machine, and one of the clamping parts is connected to the assembly object through the buckle structure. After the assembly is completed, the holding piece is separated from the front frame structure along the first pre-cut groove, and then the next holding piece is assembled. The assembled holding pieces are equivalent to the front frame in the prior art. Therefore, automatic assembly is realized and production efficiency is improved; the front frame structure is composed of standard clamping parts, which can be applied to display devices of various lengths and widths, thereby reducing mold costs.

Description of drawings

Fig. 1 is the structural representation of an embodiment of front frame structure of the present invention;

Fig. 2 is a partial structural schematic diagram of the front frame structure in Fig. 1;

3 is a schematic structural view of an embodiment of a display device of the present invention;

Fig. 4 is a partial sectional view of the display device in Fig. 3;

Figure 5 is a schematic diagram of the assembly of the display device in Figure 3;

6 is a flow chart of an embodiment of a manufacturing method of a display device of the present invention;

FIG. 7 is a flow chart of an embodiment of a method for fabricating a front frame structure in the present invention.

The realization of the purpose of the present invention, functional characteristics and advantages will be further described in conjunction with the embodiments and with reference to the accompanying drawings.

detailed description

It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

Referring to Fig. 1 and Fig. 2, an embodiment of the front frame structure of the present invention is proposed, the front frame structure 100 includes a plurality of sequentially connected clips 110, and there is a first pre-cut groove between adjacent clips 110 120, so that the holding parts 110 are kept in a connected state, and can be disconnected under a small external force, and separated into individual holding parts 110. The clamping member 110 is U-shaped in cross section and includes a first clamping plate 112 and two second clamping plates 111 oppositely disposed at both ends of the first clamping plate 112. One end of a holding plate 112 is bent, and the second holding plate 111 is provided with a buckle structure. The buckle structure may include a through hole arranged on the second holding plate 111 and a tongue rib 1111 protruding vertically from the side wall of the through hole. The tongue rib 1111 has elasticity and can bent. Preferably, the buckle structure of this embodiment includes two through grooves 1113 opposite to the second clamping plate 111 and a second pre-cut groove 1112 connecting the two through grooves 1113, the through grooves 1113 and the second The pre-cut groove 1112 encloses a tongue-shaped rib 1111 , and when the tongue-shaped rib 1111 is impacted along the second pre-cut groove, the tongue-shaped rib 1111 can also be bent downward. In addition, the above-mentioned two-way groove 1113 can also be set as a pre-cut groove.

The front frame structure 100 of this embodiment is preferably integrally formed by a sheet metal part. First, a number of buckle structures are punched out on a long and narrow sheet metal part. The buckle structures are symmetrically distributed on both sides of the sheet metal part. The parts are evenly arranged in the length direction, and several first pre-cut grooves 120 extending laterally along the sheet metal part are punched out on the sheet metal part to separate adjacent buckle structures. The buckle structure is the buckle structure with the tongue-shaped rib plate 1111 as mentioned above, which is directly formed by punching a sheet metal part, forming two opposite through grooves 1113 and the first connecting two through grooves 1113 during punching. Two pre-cut grooves 1112, the advantage of punching the second pre-cut groove 1112 instead of punching both into through grooves 1113 is to prevent the tongue-shaped rib plate 1111 from being bent downward after punching, so that it will scrape with the assembly object during subsequent assembly Rubbing will affect the smooth assembly, or injure the hands during the handling process. After the punching of the buckle structure is completed, the two sides of the sheet metal part are bent in the same direction to form a U shape, so that the buckle structures on both sides are arranged opposite to each other, and become several holding parts separated by the first pre-cut groove 120 110 constitutes the front frame structure 100 , wherein the middle part of the sheet metal part is the first clamping plate 112 , and the opposite sides after bending are the second clamping plates 111 . Preferably, after bending, the first pre-cut groove 120 and the second pre-cut groove 1112 are located on the outer side of the front frame structure 100, and are easy to be separated along the pre-cut groove.

Referring to FIG. 4 and FIG. 5 together, when the front frame structure 100 of this embodiment is applied to a display device, automatic assembly can be realized. According to the size of the middle frame 200 and the back plate 300 in the display device, a standardized front frame structure 100 composed of several holding parts 110 is produced, and the corresponding positions of the middle frame 200 and the back plate 300 are arranged on the holding parts 110. A card slot (210, 310) corresponding to the buckle structure. After the middle frame 200 is placed on the backplane 300, and the display screen is put into the cavity formed by the middle frame 200 and the backplane 300, the machine automatically feeds the material forward (as shown by the arrow in Figure 5), and the front frame The first clamping plate 112 of the clamping member 110 at the end of the structure 100 abuts against the side of the middle frame 200 , the upper second clamping plate 111 abuts against the upper end surface of the middle frame 200 , and the lower second clamping plate 111 abut against the bottom surface of the backplane 300; and align the tongue-shaped rib plate 1111 in the buckle structure of the second clamping plate 111 with the corresponding slots (210, 310) on the middle frame 200 and the backplane 300, and use punching The tongue-shaped rib plate 1111 (as shown by the up and down arrows in Fig. 5 ) is punched by the first head, so that it is broken along the second pre-cut groove 1112 and bent inwardly to extend into the draw-in groove (210, 310) and connect with the draw-in groove (210, 310) fit and engage, and the clamping member 110 will fix the middle frame 200 and the back plate 300 together; finally, use a cutter to cut the clamping member at the end of the front frame structure 100 along the first pre-cut groove 120 110 is separated from the front frame structure 100 to complete the assembly of a holding member 110 with the middle frame 200 and the back plate 300 , and then assemble the next holding member 110 . The number of mounting clips 110 on the display device is determined according to actual needs, preferably 6, 3 on each side, evenly distributed in the upper, middle and lower positions to increase firmness. During assembly, the two front frame structures 100 are simultaneously fed and assembled on both sides of the display device, and the production efficiency is high.

In the above-mentioned embodiment, there is only one buckle structure on a second clamping plate 111 of the clamping member 110. In fact, two or more buckle structures can be provided as required, and the clamping member 110 can be extended according to actual needs. The length can be equal to the length of the display device, then only one clamping part 110 is needed on one side of the display device, and three buckle structures can be arranged on the clamping part 110 and a second clamping plate 111, which are respectively engaged on one side of the display device The upper, middle and lower parts of the machine can also realize standardized automatic assembly and improve production efficiency. However, the arrangement of the clamping member 110 in the above embodiment saves more materials, which can reduce the cost of materials. In addition, the front frame structure 100 of the present invention can also be applied to other assembly objects besides the display device.

Accordingly, the front frame structure 100 of this embodiment is composed of standardized and modularized holding parts 110, and the front frame structure 100 can be automatically sent to the assembly object by the machine, and one of the holding parts 110 can be snapped through After the structure and the assembly object are assembled, the clip 110 is separated from the front frame structure 100 along the first pre-cut groove 120 , and then the next clip 110 is assembled. In this way, automatic assembly is realized and production efficiency is improved; since the clamping parts 110 are standardized to form the front frame structure 100, it can be applied to display devices of various lengths and widths, thereby reducing mold costs.

Referring to FIG. 3 and FIG. 4 , an embodiment of the display device of the present invention is proposed. The display device includes a backplane 300 , a middle frame 200 stacked on the backplane 300 , and fixing the backplane 300 and the middle frame 200 The number of holding pieces 110 is determined according to actual needs, preferably 6 pieces, 3 pieces on each side, evenly distributed in the upper, middle and lower positions to increase firmness. The clamping member 110 includes a first clamping plate 112 abutting against the side of the middle frame 300 and a second clamping plate 111 formed by bending and extending two ends of the first clamping plate 112 respectively, wherein the second clamping plate 111 at one end The second clamping plate 111 abuts against the upper end surface of the middle frame 200, and the second clamping plate 111 at the other end abuts against the bottom surface of the back plate 300, and the second clamping plate 111 is provided with a buckle structure, The middle frame 200 and the back plate 300 are correspondingly provided with card slots (210, 310) that fit and engage with the buckle structure. The buckle structure includes a through hole arranged on the second holding plate 111, and a tongue-shaped rib 1111 protruding from the side wall of the through hole. The tongue-shaped rib 1111 is elastic and bends inward. Fold and extend into the card slots (210, 310) corresponding to the middle frame 200 and the back plate 300, and fit and engage with the card slots (210, 310), so as to fix the middle frame 200 and the back plate 300 together. After assembly The several holding pieces 110 are equivalent to the front frame in the prior art.

The display device of this embodiment fixes the middle frame 200 and the back plate 300 through standardized clamping parts 110, which greatly saves material costs; and is fixed by a buckle structure without screws, which is convenient and quick to assemble and improves production efficiency; The holder 110 is standardized and can be applied to display devices of various lengths and widths, thereby reducing mold costs.

Furthermore, the holding member 110 of this embodiment is integrally punched and bent from a sheet metal part, and a plurality of holding members 110 are simultaneously formed at one time, and the plurality of holding members 110 form a front frame structure 100 . The front frame structure 100 of this embodiment is the front frame structure 100 described in the above embodiments, and will not be repeated here. After the clamping part 110 is modularized, the automatic assembly of the display device can be realized, and the specific assembly process is as follows:

According to the size of the middle frame 200 and the back plate 300 in the display device, a standardized front frame structure 100 composed of several holding parts 110 is produced, and the corresponding positions of the middle frame 200 and the back plate 300 are arranged on the holding parts 110. A card slot (210, 310) corresponding to the buckle structure. After the middle frame 200 is placed on the backplane 300, and the display screen is placed in the cavity formed by the middle frame 200 and the backplane 300, as shown in Figure 5, the machine will automatically feed forward (Figure 5 shown by the middle arrow), the first clamping plate 112 of the clamping part 110 at the end of the front frame structure 100 abuts against the side of the middle frame 200, and the second clamping plate 111 on the upper part abuts against the upper end surface of the middle frame 200 , the lower second clamping plate 111 abuts against the bottom surface of the backplane 300; (210,310), utilizing a punch to stamp the tongue-shaped rib plate 1111, make it break along the second pre-cut groove 1112 and bend inwardly to extend into the draw-in groove (210,310) and connect with the draw-in groove (210 , 310) fit and engage, and the clamping member 110 fixes the middle frame 200 and the back plate 300 together; finally, the clamping member 110 at the end of the front frame structure 100 is removed from the The front frame structure 100 is separated to complete the assembly of a holding member 110, the middle frame 200 and the back plate 300, and then the next holding member 110 is assembled, thereby realizing automatic assembly and improving production efficiency. The number of mounting clips 110 on the display device is determined according to actual needs. During assembly, the two front frame structures 100 are simultaneously fed and assembled on both sides of the display device, which can further improve production efficiency.

Referring to Fig. 6 and Fig. 7, an embodiment of the manufacturing method of the display device of the present invention is proposed, and the manufacturing method of the display device includes the following steps:

Step S101 , making a front frame structure composed of a plurality of clips connected sequentially, with a first pre-cut groove between adjacent clips, and a buckle structure on the clips.

The front frame structure is composed of several clips connected in sequence, and there is a first pre-cut groove between adjacent clips, so that the clips can not only maintain the connection state, but also can be connected under a small external force. Disconnect from the lower part and separate into separate holding parts. The cross-section of the clamping member is U-shaped, and includes a first clamping plate and a second clamping plate that is bent and extended at both ends of the first clamping plate, and the second clamping plate is provided with a buckle structure.

The front frame structure of this embodiment is preferably integrally formed by sheet metal parts, and the manufacturing process of the front frame structure is as follows:

Step S201 , punch out several buckle structures on both sides of the sheet metal part, and punch out several first pre-cut grooves extending laterally along the sheet metal part and separating adjacent buckle structures.

In this embodiment, a corresponding front frame structure is manufactured according to the size of the middle frame and the backplane of the display device. The sheet metal part is long and narrow, and the buckle structures are symmetrically distributed on both sides of the sheet metal part, evenly arranged along the length direction of the sheet metal part, and punched out on the sheet metal part along the lateral extension of the sheet metal part. Several first pre-cut grooves separate adjacent buckle structures. Of course, it is also possible to punch out several first pre-cut grooves on the sheet metal part first, and then punch out the buckle structure on the sheet metal part between the two first pre-cut grooves. The buckle structure is directly formed by punching the sheet metal. The buckle structure can be a structure including a through hole and a tongue-shaped rib plate protruding vertically from the side wall of the through hole, which can be punched out directly during punching. Curved through groove, the through groove is enclosed to form a tongue-shaped rib plate; two opposite through grooves and the second pre-cut groove connecting the two through grooves can also be punched out during punching, the through groove and the second pre-cut groove The grooves are also formed into a tongue-shaped rib plate. The advantage of punching the second pre-cut groove instead of punching them into through grooves is to prevent the tongue-shaped rib plate from being bent downwards and protruding out of the through hole after punching, making subsequent assembly Sometimes it rubs against the assembly object and affects the smooth assembly, or injures the hands during the handling process.

Step S202 , bending the two sides of the sheet metal part so that the buckle structures on both sides are oppositely arranged.

After the punching of the buckle structure is completed, the two sides of the sheet metal part are bent in the same direction to form a U shape, so that the buckle structures on both sides are arranged opposite to each other, and become a plurality of holding parts separated by the first pre-cut groove. The front frame structure is formed, wherein the middle part of the sheet metal part is the first clamping plate, and the opposite sides after bending are the second clamping plates. Preferably, after bending, the first pre-cut groove and the second pre-cut groove are located on the outside of the front frame structure, and are easy to be separated along the pre-cut groove. After the front frame structure is completed, proceed to the next step:

Step S102 , providing slots on the middle frame and the back plate corresponding to the buckle structure on the holding member.

In this embodiment, three card slots are preferably provided on both sides of the middle frame and the backplane.

Step S103 , fitting and engaging the buckle structure on the clip at the end of the front frame structure with the corresponding slots on the middle frame and the back panel.

Due to the modularization of the clamping parts, automatic feeding and automatic assembly can be realized. After the middle frame is placed on the back plate, the machine automatically feeds the material, and one front frame structure on each side is sent to both sides of the middle frame, so that the first clamping plate of the clamping part at the end of the front frame structure is in contact with the side of the middle frame. Then, the upper second clamping plate is in contact with the upper end surface of the middle frame, the lower second clamping plate is in contact with the bottom surface of the back plate, and the tongue-shaped rib plate in the buckle structure of the second clamping plate Align the middle frame with the corresponding card slot on the back panel. Then use a punch to punch the tongue-shaped rib plate, make it break along the second pre-cut groove, bend inward and extend into the card slot to fit and engage with the card slot, and the clamping piece will connect the middle frame and the back The boards are held together.

Step S104 , separating the clamping piece at the end of the front frame structure from the front frame structure along the first pre-cut groove.

In this step S104 , the clamping piece at the end of the front frame structure is separated from the front frame structure along the first pre-cut groove by a cutting knife, thereby completing the assembly of a clamping piece with the front frame and the middle frame. Next, repeat steps S103 to S104 to continue to assemble the next clip. The number of mounting clips on the display device depends on actual needs, preferably 6, 3 on each side, evenly distributed in the upper, middle and lower positions to increase firmness.

In the above-mentioned embodiment, there is only one buckle structure on a second clamping plate of the clamping member. In fact, two or more buckle structures can be provided according to needs, and the clamping member can be extended according to actual needs, and the longest can be as long as If the lengths of the display devices are equal, only one clamping part is needed on one side of the display device, and one clamping part can be provided with three buckle structures on the second clamping plate, which are respectively engaged with the upper, middle and lower three clamping parts on one side of the display device. Parts can also achieve standardized automatic assembly and improve production efficiency. However, the arrangement of the clamping parts in the above embodiments saves more materials and can reduce material costs.

Accordingly, in the manufacturing method of the display device in this embodiment, the front frame is modularized, and the front frame structure can be automatically fed to the middle frame and the back plate by the machine, and one of the clamping parts is connected to the middle frame through the buckle structure. After the frame and the backplane are assembled, the clip is separated from the front frame structure along the first pre-cut groove, and then the next clip is assembled. Therefore, automatic assembly is realized, and production efficiency is improved; since the clamping parts can be standardized and combined into a front frame structure, it can be applied to display devices of various lengths and widths, thereby reducing mold costs.

It should be understood that the above are only preferred embodiments of the present invention, and cannot therefore limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the description of the present invention and the contents of the accompanying drawings, or directly or indirectly used in Other relevant technical fields are all equally included in the patent protection scope of the present invention.

Claims (6)

1. A front frame structure used in a display device, characterized in that it includes a number of sequentially connected clips, the clips are used to cooperate with the middle frame and the back plate of the display device, and adjacent There is a first pre-cut groove between the clamping parts, the clamping part includes a first clamping plate and a second clamping plate that is bent and extended at both ends of the first clamping plate, and the second clamping plate There is a buckle structure on the board; the first clamping plate is used to abut against the side of the middle frame, the upper second clamping plate is used to abut against the upper end surface of the middle frame, and the lower second clamping plate is used to abut against the upper end surface of the middle frame. The clamping plate is used to abut against the bottom surface of the backplane; The buckle structure includes a two-way groove opposite to the second clamping plate and a second pre-cut groove connecting the two-way groove; the through groove and the second pre-cut groove form a tongue The tongue-shaped rib plate in the buckle structure of the second clamping plate is used to align the corresponding slots on the middle frame and the back plate. 2. The front frame structure according to claim 1, characterized in that, the front frame structure is integrally punched and bent from a sheet metal. 3. A display device, comprising a middle frame and a back plate stacked up and down, characterized in that it also includes a front frame structure for fixing the middle frame and the back plate, and the front frame structure includes several sequentially connected clips , and there is a first pre-cut groove between adjacent clamping pieces, the clamping piece includes a first clamping plate that abuts against the side of the middle frame and two ends of the first clamping plate that are respectively bent and extended The second clamping plate, wherein the second clamping plate at one end abuts against the upper end surface of the middle frame, and the second clamping plate at the other end abuts against the bottom surface of the back plate, and the second clamping plate is provided with There is a buckle structure, and the middle frame and the back plate are correspondingly provided with a slot that fits and engages with the buckle structure; The buckle structure includes a two-way slot opposite to the second holding plate and a second pre-cut slot connecting the two-way slot. 4 . The display device according to claim 3 , wherein the holding member is integrally punched and bent from a sheet metal part. 5. A manufacturing method of a display device, comprising the steps of: The front frame structure is made, which includes several holding pieces connected in sequence, and there is a first pre-cut groove between adjacent holding pieces, and the holding piece includes a first holding plate and two sides of the first holding plate. The ends of the second clamping plate are respectively bent and extended, and the second clamping plate is provided with a buckle structure; the buckle structure includes two through grooves on the second clamping plate and connecting The second pre-cut groove of the through groove, the through groove and the second pre-cut groove are enclosed to form a tongue-shaped rib; A slot corresponding to the buckle structure on the holding member is provided on the middle frame and the back plate; Fit and engage the buckle structure on the clip at the end of the front frame structure with the corresponding slot on the middle frame and the back panel; The clip at the end of the front frame structure is separated from the front frame structure along the first pre-cut groove. 6. The manufacturing method of the display device according to claim 5, wherein the buckle structure on the clamping piece at the end of the front frame structure is adapted to the corresponding slot on the middle frame and the back plate. Fittings include: Align the tongue-shaped rib plate on the clip at the end of the front frame structure with the corresponding slot on the middle frame and the back panel; The tongue-shaped rib plate is punched to make it bend inward and extend into the draw-in groove to fit and engage with the draw-in groove.