Welding jig for backlight module and touch screen

Abstract

The utility model discloses a welding jig for a backlight module and a touch screen, which comprises a screen fixing seat, a screen movable seat arranged on the side of the screen fixing seat, guide members symmetrically arranged at the joint of the screen fixing seat and the screen movable seat, and rotating members arranged at the bottoms of the screen fixing seat and the screen movable seat. The rotating component comprises a limiting column arranged at the bottom of the screen fixed seat and a springback column arranged at the bottom of the screen movable seat, and the end part of the springback column is connected with a locking rod in a penetrating manner; the screen fixing base and the screen movable base are separated through the guide component, the distance between the screen fixing base and the screen movable base is adjusted and fixed through the rotating component at the bottom of the screen fixing base and the rotating component at the bottom of the screen movable base according to the actually needed screen fixing width, and therefore the jig can fix screens of various widths, and the screen fixing efficiency is improved. Therefore, welding of welding points of the backlight module is facilitated, and time-consuming operation of replacing jigs with corresponding sizes and widths is avoided.

Description

Technical Field

[0001] The utility model relates to the field of welding and fixing of backlight modules, and particularly relates to a welding jig for a backlight module and a touch screen. Background Technique

[0002] The welding jig for the backlight module and the touch screen is an important tool specially designed for the liquid crystal display assembly process. It can ensure that the touch flexible printed circuit board of the touch screen and the backlight flexible printed circuit board of the backlight module are accurately and firmly welded together. The existing welding jig for the backlight module and the touch screen is mainly composed of a rectangular groove plate with the same size as the screen. The bottom of the rectangular groove plate is provided with a mechanism for driving the groove plate to move. During the actual production process, when the width of the screen to be welded changes, the original groove plate cannot limit and fix the screen, and it is necessary to replace the groove plate with the corresponding width. When welding screens with different widths, this replacement operation is not convenient for the operator to quickly fix the screen, consuming the time for screen welding. To solve this problem, a new type of welding jig for the backlight module and the touch screen is needed. Content of the Utility Model

[0003] The purpose of the utility model is to provide a welding jig for a backlight module and a touch screen to solve the problems raised in the above background technique.

[0004] To achieve the above purpose, the utility model provides the following technical solution: A welding jig for a backlight module and a touch screen, including a screen fixing seat. A screen moving seat is arranged on the side of the screen fixing seat. A guiding member for guiding the movement of the screen moving seat is symmetrically arranged at the connection between the screen fixing seat and the screen moving seat. A rotating member for adjusting the fixing distance is arranged at the bottom of the screen fixing seat and the screen moving seat. A pushing member for driving the screen fixing seat to move is arranged at the bottom of the screen fixing seat and on the side of the rotating member. The rotating member includes a limiting post arranged at the bottom of the screen fixing seat and a resilient post arranged at the bottom of the screen moving seat. A locking rod for adjusting the fixing distance between the screens is inserted through the end of the resilient post.

[0005] Preferably, the end of the locking rod is inserted through the side of the limiting post. A locking protrusion for fixing the insertion position of the locking rod is arranged on the outer side of the end of the locking rod. A resilient part is arranged at the insertion part of the locking rod and the resilient post.

[0006] Preferably, an activity slot for inserting the locking rod is opened on the side of the limiting post, and a plurality of locking slots for inserting the locking protrusion are opened at the bottom of the activity slot.

[0007] Preferably, the resilient portion includes a pressure ring and a compression spring sleeved outside the locking rod, and the pressure ring is arranged on the side of the compression spring close to the limit post.

[0008] Preferably, a deformation groove is formed at the intersection of the locking rod and the resilient post, and both the pressure ring and the compression spring are arranged inside the deformation groove.

[0009] Preferably, a pull rod is fixedly connected to one end of the locking rod away from the limit post.

[0010] Preferably, a jacking hole is arranged at the connection between the screen fixing seat and the screen movable seat.

[0011] Preferably, the guiding member includes a guiding rod inserted and connected to the side of the screen fixing seat, one end of the guiding rod is inserted and connected to the side of the screen movable seat, and a tensioning portion is arranged at the intersection of the guiding rod and the screen movable seat.

[0012] Preferably, the tensioning portion includes a rubber sleeve sleeved outside the guiding rod, and a pressing block for compressing the rubber sleeve is arranged at the end of the guiding rod.

[0013] Preferably, the pushing member includes a cylinder push plate arranged at the bottom of the screen fixing seat, and the cylinder push plate is used to drive the backlight welding point to align with the welding torch.

[0014] The technical effects and advantages of the present utility model:

[0015] By arranging a screen movable seat on the side of the screen fixing seat in the present utility model, the two are separated through the guiding member, and according to the actually required width of the screen to be fixed, the distance between the screen fixing seat and the screen movable seat is adjusted and fixed by using the rotating member at the bottom of the screen fixing seat and the screen movable seat, so that the jig can fix screens of various widths, thus facilitating the welding of the backlight module welding points and avoiding the time-consuming operation of replacing jigs of corresponding size widths. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is one of the overall structural schematic diagrams of the present utility model.

[0017] Figure 2 It is the second overall structural schematic diagram of the present utility model.

[0018] Figure 3 It is the side view of the overall structure of the present utility model.

[0019] Figure 4 It is the sectional view of the rotating member of the present utility model.

[0020] Figure 5 It is the top sectional view of the overall structure of the present utility model.

[0021] Figure 6 This is a sectional view of the locking rod and the limit post of the present utility model.

[0022] In the figure: 1. Screen fixing seat; 2. Screen movable seat; 3. Rotating member; 301. Limit post; 3011. Movable groove; 3012. Locking groove; 302. Rebound post; 3021. Deformation groove; 303. Locking rod; 3031. Locking protrusion; 304. Pressure ring; 305. Compression spring; 306. Pull rod; 4. Jacking hole; 5. Guiding member; 501. Guide rod; 502. Rubber sleeve; 503. Pressure block; 6. Cylinder push plate. Specific embodiments

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0024] The present utility model provides a welding jig for a backlight module and a touch screen as shown in Figure 1-6 the figure, which includes a screen fixing seat 1, and a screen movable seat 2 is arranged on the side of the screen fixing seat 1;

[0025] A guiding member 5 for guiding the movement of the screen movable seat 2 is symmetrically arranged at the connection between the screen fixing seat 1 and the screen movable seat 2;

[0026] Specifically, the guiding member 5 includes a guide rod 501 inserted and connected to the side of the screen fixing seat 1, one end of the guide rod 501 is inserted and connected to the side of the screen movable seat 2, and a tensioning portion is arranged at the insertion portion of the guide rod 501 and the screen movable seat 2;

[0027] It should be noted that the insertion portion of the guide rod 501 and the screen fixing seat 1 is fixed by welding, and a cylindrical groove for the insertion of the guide rod 501 is opened on the side of the screen movable seat 2;

[0028] Specifically, the tensioning portion includes a rubber sleeve 502 sleeved on the outer side of the guide rod 501, and a pressure block 503 for compressing the rubber sleeve 502 is arranged at the end of the guide rod 501;

[0029] It should be noted that the rubber sleeve 502 and the inner wall of the cylindrical groove are bonded by glue, the inner wall of the rubber sleeve 502 and the outer side of the guide rod 501 are only in contact without fixation, and the pressure block 503 and the guide rod 501 are welded and fixed to facilitate the active compression of the rubber sleeve 502;

[0030] A rotating member 3 for adjusting the fixed spacing is provided at the bottom of the screen fixed seat 1 and the screen movable seat 2;

[0031] Specifically, the rotating member 3 includes a limit post 301 provided at the bottom of the screen fixed seat 1 and a resilient post 302 provided at the bottom of the screen movable seat 2. A locking rod 303 for adjusting the fixed spacing of the screen is inserted and connected to the end of the resilient post 302;

[0032] It should be noted that the screen fixed seat 1 is adhesively bonded to the limit post 301 with glue, the screen movable seat 2 is adhesively bonded to the resilient post 302 with glue, and a pull rod 306 is fixedly connected to the end of the locking rod 303 away from the limit post 301. A jacking hole 4 is provided at the connection between the screen fixed seat 1 and the screen movable seat 2 to facilitate the removal of the screen;

[0033] Specifically, the end of the locking rod 303 is inserted and connected to the side of the limit post 301. A locking protrusion 3031 for fixing the insertion position of the locking rod 303 is provided on the outer side of the end of the locking rod 303. An activity groove 3011 for the insertion of the locking rod 303 is opened on the side of the limit post 301, and a plurality of locking grooves 3012 for the insertion of the locking protrusion 3031 are opened at the bottom of the activity groove 3011;

[0034] It should be noted that the operator rotates the locking rod 303, pulls the locking rod 303, and then rotates the locking rod 303, so that the locking protrusion 3031 is moved from one locking groove 3012 to another locking groove 3012, thereby adjusting the distance between the screen fixed seat 1 and the screen movable seat 2, and realizing the fixation of screens with different widths using the same jig;

[0035] A resilient part is provided at the insertion part of the locking rod 303 and the resilient post 302;

[0036] Specifically, the resilient part includes a pressure ring 304 sleeved on the outer side of the locking rod 303 and a compression spring 305. The pressure ring 304 is provided on the side of the compression spring 305 close to the limit post 301;

[0037] It should be noted that a deformation groove 3021 is opened at the insertion part of the locking rod 303 and the resilient post 302. The pressure ring 304 and the compression spring 305 are both arranged inside the deformation groove 3021, and the pressure ring 304 is adhesively bonded to the locking rod 303 with glue;

[0038] A pushing member for driving the movement of the screen fixed seat 1 is provided at the bottom of the screen fixed seat 1 and on the side of the rotating member 3;

[0039] Specifically, the pushing member includes a cylinder push plate 6 disposed at the bottom of the screen fixing base 1. The cylinder push plate 6 is used to drive the backlight welding point to align with the welding torch. The cylinder push plate 6 is not fixed to the screen movable base 2. The cylinder push plate 6 is driven by a cylinder to move, so as to move the jig to the bottom of the welding torch, facilitating the welding of the welding torch.

[0040] During actual use, according to the width of the screen fixed as required, the distance between the screen fixing base 1 and the screen movable base 2 is adjusted and fixed by using the rotating member 3 at the bottom of the screen fixing base 1 and the screen movable base 2, so that the jig can fix screens of various widths, facilitating the welding of the backlight module welding points and avoiding the time-consuming operation of replacing jigs of corresponding size widths.

[0041] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A welding jig for a backlight module and a touch screen, comprising a screen fixing seat (1), characterized in that: A movable screen seat (2) is arranged on the side of the screen fixing seat (1); a guide member (5) for guiding the movable screen seat (2) to move is symmetrically arranged at the connection between the screen fixing seat (1) and the movable screen seat (2); a rotating member (3) for adjusting the fixed spacing is arranged at the bottom of the screen fixing seat (1) and the movable screen seat (2); a pushing member for driving the screen fixing seat (1) to move is arranged at the bottom of the screen fixing seat (1) and on the side of the rotating member (3); the rotating member (3) comprises a limiting column (301) arranged at the bottom of the screen fixing seat (1) and a rebound column (302) arranged at the bottom of the movable screen seat (2); and a locking rod (303) for adjusting the fixed spacing of the screen is inserted and connected at the end of the rebound column (302).

2. A welding jig for a backlight module and a touch screen according to claim 1, characterized in that: The end of the locking rod (303) is inserted and connected to the side of the limiting column (301), and a locking protrusion (3031) for fixing the insertion position of the locking rod (303) is arranged on the outer side of the end of the locking rod (303), and a rebound part is arranged at the insertion point of the locking rod (303) and the rebound column (302).

3. A welding jig for a backlight module and a touch screen according to claim 2, characterized in that: The side of the limiting column (301) is provided with a movable groove (3011) for the locking rod (303) to be inserted, and the bottom of the movable groove (3011) is provided with a plurality of locking grooves (3012) for the locking protrusions (3031) to be inserted.

4. The welding jig for a backlight module and a touch screen according to claim 2, characterized in that: The resilient portion comprises a pressure ring (304) sleeved on the outside of the locking rod (303) and a compression spring (305), wherein the pressure ring (304) is arranged on a side of the compression spring (305) close to the limiting column (301).

5. A welding jig for a backlight module and a touch screen according to claim 4, characterized in that: A deformation groove (3021) is provided at the interlaced portion of the locking rod (303) and the rebound column (302), and the pressure ring (304) and the compression spring (305) are both arranged inside the deformation groove (3021).

6. The welding jig for backlight module and touch screen according to claim 5, characterized in that: The locking rod (303) is fixedly connected to a pull rod (306) at one end thereof which is located away from the limiting column (301).

7. The welding jig for backlight module and touch screen according to claim 1, characterized in that: A lifting hole (4) is provided at the connection between the screen fixing seat (1) and the screen movable seat (2).

8. The welding jig for backlight module and touch screen according to claim 1, characterized in that: The guide member (5) comprises a guide rod (501) inserted and connected to the side of the screen fixing seat (1), one end of the guide rod (501) is inserted and connected to the side of the screen movable seat (2), and a tensioning portion is provided at the insertion point between the guide rod (501) and the screen movable seat (2).

9. The welding jig for backlight module and touch screen according to claim 8, characterized in that: The tensioning portion comprises a rubber sleeve (502) sleeved on the outside of the guide rod (501), and a pressing block (503) for compressing the rubber sleeve (502) is provided at the end of the guide rod (501).

10. The welding jig for backlight module and touch screen according to claim 1, characterized in that: The pushing component comprises a cylinder push plate (6) arranged at the bottom of the screen fixing seat (1), and the cylinder push plate (6) is used to drive the backlight welding point to align with the welding gun.

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