CN211728064U

CN211728064U - Spot welding jig for display shielding case

Info

Publication number: CN211728064U
Application number: CN201922337443.0U
Authority: CN
Inventors: 陈春荣; 陆凯林
Original assignee: Kunshan Datang Precision Hardware Technology Co ltd
Current assignee: Kunshan Datang Precision Hardware Technology Co ltd
Priority date: 2019-12-23
Filing date: 2019-12-23
Publication date: 2020-10-23
Anticipated expiration: 2029-12-23

Abstract

The utility model relates to a spot welding tool for display shield cover, include the mainboard and arrange the display shield cover on the mainboard in, be equipped with a plurality of lug around the mainboard, be equipped with a movable locating piece on the lug, this movable locating piece rotationally connects in the lug, be equipped with a plurality of outside locating pieces around the mainboard, the inside of this mainboard is equipped with a plurality of inside locating pieces, be equipped with edge and middle cavity on the display shield cover, when the mainboard is arranged in to the display shield cover, the outside locating piece top is tightly in the edge of display shield cover, inside locating piece is inserted and is located the middle cavity of display shield cover and pushes up tightly in middle cavity inner wall, the movable locating piece compresses tightly on the display shield cover edge. The utility model has the advantages of being simple in structure and convenient in operation, reduced the defective rate of product spot welding.

Description

Spot welding jig for display shielding case

Technical Field

The utility model relates to a spot welding tool, concretely relates to spot welding tool for display shield cover.

Background

The liquid crystal display is formed by mutually assembling components such as a display screen, a front shell, a main board, a shielding case, a rear shell and the like in sequence, wherein the shielding case is positioned between the main board and the rear shell, and a plug wire plug of the display sequentially penetrates through the rear shell and the shielding case and is inserted into an input/output interface on the main board to realize signal transmission between the display and external equipment. The display shielding case is usually required to be fixed by spot welding after being processed, and the existing spot welding process has the defects of high reject ratio, easy deformation of products and the like due to incapability of fixing.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the utility model provides a spot welding jig for display shield cover adopts movable positioning piece and inside and outside locating piece to carry out multiple location to the product when this tool uses, has guaranteed the quality that the product was welded, utilizes this tool can improve the yield that the product was welded, and the yield can improve more than 50%, has guaranteed the plane degree precision, and hole site and appearance can not be out of position to warp yet.

The utility model discloses a solve the technical scheme that its technical problem adopted and be:

the utility model provides a spot welding tool for display shield cover, is including the mainboard that is used for fixed display shield cover, be equipped with a plurality of lug around the mainboard, be equipped with a movable locating piece on the lug, this movable locating piece rotationally connects in the lug, be equipped with a plurality of outside locating pieces around the mainboard, the inside of this mainboard is equipped with a plurality of inside locating pieces, be equipped with edge and middle cavity on the display shield cover, when the mainboard is arranged in to the display shield cover, outside locating piece top is tight in the edge of display shield cover, inside locating piece is inserted and is located the middle cavity of display shield cover and top is tight in middle cavity inner wall, movable locating piece compresses tightly on the display shield cover edge.

Preferably, the horizontal section of the main board is of a rectangular structure, the three side walls of the main board are provided with lugs, and the movable positioning block is connected to the lugs through adjusting bolts.

Preferably, the external positioning block and the internal positioning block are locked to the main board by screws or welded to the main board.

Preferably, the thickness of the main board is about 10mm, and a rear part area of the main board is of a hollow structure.

Preferably, the periphery of the display shielding case is bent inwards to form a bent portion, the bent portion extends outwards to form an edge, the edge is perpendicular to the bent portion, and a middle cavity on the display shielding case is a rectangular through hole.

Preferably, the jig is provided with two groups of internal positioning blocks and eight movable positioning blocks, and each group of internal positioning blocks is provided with three internal positioning blocks.

The utility model has the advantages that: the utility model provides a mainboard is equipped with movable locating piece, outside locating piece and inside locating piece, utilizes movable locating piece to push down the product, thereby has guaranteed that the product reference surface is on same plane, and inside locating piece utilizes the hole of display shield cover namely middle cavity to make the reference location to guarantee that the product hole site is accurate not off normal, fixes the edge of display shield cover with outside locating piece, with the overall dimension of fixed product, guarantees that the overall dimension is stable not warp; therefore, the movable positioning blocks, the inner positioning blocks and the outer positioning blocks are adopted in the jig for multiple positioning, the quality of electric welding of products is guaranteed, the yield of electric welding of the products can be improved by the jig, the yield can be improved by more than 50%, the flatness precision is guaranteed, and hole positions and shapes cannot be deflected or deformed. The utility model has the advantages of being simple in structure and convenient in operation, reduced the defective rate of product spot welding.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a back view of the present invention;

fig. 3 is a side view of the present invention;

FIG. 4 is a schematic structural view of a product of the present invention;

FIG. 5 is a perspective view of a product of the present invention;

FIG. 6 is a back view of the product of the present invention;

FIG. 7 is a schematic structural view of the fixing product of the present invention;

FIG. 8 is a side view of the fastening product of the present invention;

in the figure: 10-main board, 11-bump, 12-movable positioning block, 13-external positioning block, 14-internal positioning block, 15-adjusting bolt, 20-display shielding cover, 21-bending part, 22-edge and 23-middle cavity.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Example (b): as shown in fig. 1-8, a spot welding jig for a display shielding case includes a main board 10 for fixing the display shielding case 10, a plurality of bumps 11 are disposed around the main board 10, a movable positioning block 12 is disposed on the bumps 11, the movable positioning block 12 is rotatably connected to the bumps 11, a plurality of external positioning blocks 13 are disposed around the main board 10, a plurality of internal positioning blocks 14 are disposed inside the main board, an edge 22 and a middle cavity 23 are disposed on the display shielding case 20, when the display shielding case 20 is disposed on the main board, the external positioning blocks 13 are tightly pressed against the edge 22 of the display shielding case, the internal positioning blocks 14 are inserted into the middle cavity 23 of the display shielding case and tightly pressed against the inner wall of the middle cavity, and the movable positioning block 12 is tightly pressed against the edge 22 of the display shielding case. The jig is specially used for positioning a product when a display shielding case is subjected to spot welding, a main board is used for supporting the display shielding case, the flatness precision of the main board reaches +/-0.02 mm, and a movable positioning block 12 is used for pressing the product, so that the reference plane of the product is ensured to be on the same plane, an inner positioning block is used for performing reference positioning by using an inner hole, namely a middle cavity, of the display shielding case to ensure that the hole position of the product is accurate and not deviated, an outer positioning block is used for fixing the edge of the display shielding case to fix the overall dimension of the product, and the overall dimension is ensured to be stable and not deformed; therefore, the movable positioning blocks and the inner and outer positioning blocks are adopted in the jig for multiple positioning, the quality of electric welding of products is guaranteed, the yield of electric welding of the products can be improved by the jig, the yield can be improved by more than 50%, the flatness precision is guaranteed, and hole positions and shapes cannot be deflected and deformed. The utility model has the advantages of being simple in structure and convenient in operation, reduced the defective rate of product spot welding.

The thickness of mainboard 10 is about 10mm, the partial region of back of mainboard 10 is hollow structure, and this mainboard 10 is the aluminum product processing product, and its inside processing of undercutting of having done to this reduces the weight of whole tool, facilitates the use more and prevents to bruise display shield cover. The horizontal section of the main board 10 is of a rectangular structure, three side walls of the main board are provided with bumps 11, the movable positioning block 12 is connected to the bumps 11 through adjusting bolts 15, and when the movable positioning block 12 needs to be rotated, the adjusting bolts are loosened, and then the movable positioning block is rotated to be pressed on the edge of the display shielding cover or leave the display shielding cover; the outer positioning block 13 and the inner positioning block 14 are locked to the main board by screws or welded to the main board. The jig is provided with two groups of internal positioning blocks and eight movable positioning blocks 12, wherein each group of internal positioning blocks is provided with three internal positioning blocks 14.

As shown in fig. 4-6, the periphery of the display shielding case 20 is bent inward to form a bent portion 21, the bent portion extends outward to form an edge 22, the edge and the bent portion are perpendicular to each other, and a middle cavity 23 on the display shielding case 20 is a rectangular through hole.

The utility model discloses an operation process: the display shielding cover 20 is arranged on the main board 10, the inner positioning block 14 on the main board penetrates through the middle cavity 23 of the display shielding cover, the inner positioning block abuts against the inner wall of the middle cavity, the outer positioning block 13 abuts against the edge 22 of the display shielding cover, the movable positioning block 12 is rotated to be pressed tightly on the edge of the display shielding cover, the tightness of the movable positioning block can be adjusted through the adjusting bolt 15, and then the display shielding cover is subjected to spot welding.

It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several changes and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a display is spot welding tool for shield cover which characterized in that: comprises a main board (10) for fixing a display screen shielding cover (20), a plurality of convex blocks (11) are arranged around the main board (10), a movable positioning block (12) is arranged on each convex block (11), the movable positioning block (12) is rotatably connected with the lug (11), a plurality of external positioning blocks (13) are arranged around the main board (10), a plurality of internal positioning blocks (14) are arranged inside the main board, the edge (22) and the middle cavity (23) are arranged on the display shielding cover (20), when the display shielding case (20) is arranged on the main board, the outer positioning block (13) is pressed against the edge (22) of the display shielding case, the inner positioning block (14) is inserted into a middle cavity (23) of the display shielding case and tightly propped against the inner wall of the middle cavity, the movable positioning block (12) is pressed on the edge (22) of the display shielding case.

2. The spot welding jig for the display shielding case according to claim 1, characterized in that: the horizontal section of the main board (10) is of a rectangular structure, the three side walls of the main board are provided with lugs (11), and the movable positioning block (12) is connected to the lugs (11) through adjusting bolts (15).

3. The spot welding jig for the display shielding case according to claim 1, characterized in that: the external positioning block (13) and the internal positioning block (14) are locked on the main board through screws or welded on the main board.

4. The spot welding jig for the display shielding case according to claim 1, characterized in that: the thickness of mainboard (10) is about 10mm, the partial region of back of mainboard (10) is hollow structure.

5. The spot welding jig for the display shielding case according to claim 1, characterized in that: the display shielding case is characterized in that the periphery of the display shielding case (20) is inwards bent to form a bending part (21), the bending part outwards extends to form an edge (22), the edge is perpendicular to the bending part, and a middle cavity (23) on the display shielding case (20) is a rectangular through hole.

6. The spot welding jig for the display shielding case according to claim 1, characterized in that: the jig is provided with two groups of internal positioning blocks and eight movable positioning blocks (12), wherein each group of internal positioning blocks is provided with three internal positioning blocks (14).