CN210060192U

CN210060192U - Liquid crystal module welding machine

Info

Publication number: CN210060192U
Application number: CN201920636687.6U
Authority: CN
Inventors: 谢绍梅
Original assignee: SHENZHEN LEAD DISPLAY EQUIPMENT CO Ltd
Current assignee: SHENZHEN LEAD DISPLAY EQUIPMENT CO Ltd
Priority date: 2019-05-06
Filing date: 2019-05-06
Publication date: 2020-02-14
Anticipated expiration: 2029-05-06

Abstract

The utility model discloses a liquid crystal module welding machine, it includes: the utility model discloses a be used for holding layer board, the pulse heating piece (1), the drive of suspension above the layer board of backlight and FPC winding displacement pulse heating piece reciprocating motion's telescopic machanism and controller (2) from top to bottom, the pulse heating piece can be in the same place backlight and FPC winding displacement welding, reciprocating, pulse heating piece temperature and the welding time of controller control telescopic machanism, layer board, telescopic machanism, controller are fixed on quick-witted case (3), compare with prior art, the utility model discloses degree of automation is high, artifical skill degree of dependence is little, and operating personnel can go on duty with training a little, has ensured the welded uniformity, very big improvement welding efficiency.

Description

Liquid crystal module welding machine

Technical Field

The utility model relates to a cell-phone production facility especially relates to a carry out welded welding machine to liquid crystal module.

Background

In the production process of the liquid crystal module, pins of the backlight source are generally required to be welded with the main FPC so as to supply power to the backlight source; at present, the welding operation is generally a manual welding mode and a semi-automatic welding mode. In the manual welding mode, the pin of backlight and main FPC pad heating welding are handled to the handheld electric iron of workman, and among the welding process, the uniformity of solder joint can not be very good, especially the workman that the technique is not skilled, and welding quality can not guarantee, can appear the defective products even. In the semi-automatic welding mode, the weldment is reset in alignment, and the efficiency of miscellaneous welding is low. Therefore, the development of a welding machine with convenient alignment and high welding efficiency is urgently needed in the industry.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the defect that current welding mode is inefficiency, the quality is unstable, provide a work efficiency height, the good liquid crystal module welding machine of welding quality.

In order to solve the technical problem, the utility model provides a technical scheme is a design liquid crystal module welding machine, and it includes: the pulse heating device comprises a supporting plate, a pulse heating block and a controller, wherein the supporting plate is used for containing a backlight source and an FPC (flexible printed circuit) flat cable, the pulse heating block is suspended above the supporting plate and drives the pulse heating block to reciprocate up and down, the pulse heating block can weld the backlight source and the FPC flat cable together, the controller controls up and down movement of the telescopic mechanism, the temperature of the pulse heating block and the welding time, and the supporting plate, the telescopic mechanism and the controller are fixed on a case.

A camera and a display screen are also fixed above the case; the camera is suspended above the supporting plate and used for shooting a pulse heating block welding backlight source and an FPC (flexible printed circuit) flat cable, and the display screen is used for amplifying and displaying images shot by the camera.

A stand column is erected on the case, a cross rod is fixed on the stand column, and the camera is fixed on the cross rod.

The layer board includes dull and stereotyped and hang plate and with dull and stereotyped and the articulated elements that hang plate hinge together, dull and stereotyped horizontal arrangement, be used for placing the FPC winding displacement, the hang plate articulates in dull and stereotyped oblique below, is used for placing the backlight.

A pressing plate is hinged to the side edge of the flat plate, and the pressing plate can be turned over to press the FPC flat cable.

And the middle part of the inclined plate is provided with a transverse limiting strip and a longitudinal limiting strip which limit the position of the backlight source.

The inclined plate is provided with a longitudinal through hole groove, a fixing screw penetrates through the transverse limiting strip and the longitudinal through hole groove to fix the transverse limiting strip on the inclined plate, and the longitudinal position of the transverse limiting strip can be adjusted along the longitudinal through hole groove; the inclined plate is provided with a transverse through hole groove, a fixing screw penetrates through the longitudinal limiting strip and the transverse through hole groove to fix the longitudinal limiting strip on the inclined plate, and the longitudinal limiting strip can adjust the transverse position of the longitudinal limiting strip along the transverse through hole groove.

One side of the inclined plate is hinged with a cover plate, and the cover plate can be turned over to press the backlight source.

The telescopic mechanism adopts an air cylinder mechanism or an electric telescopic rod.

The telescopic mechanism is packaged in a vertical shell, and the display screen is embedded on the shell.

Compared with the prior art, the utility model discloses degree of automation is high, artifical technical ability degree of dependence is little, and operating personnel can the post immediately with training slightly, has ensured welded uniformity, very big improvement welding efficiency.

Drawings

Fig. 1 is a left perspective view of a preferred embodiment of the present invention;

fig. 2 is a front view of the preferred embodiment of the present invention;

FIG. 3 is a left side view of the preferred embodiment of the present invention;

fig. 4 is a right-side perspective view of the preferred embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The utility model discloses a liquid crystal module welding machine, figure 1 to figure 4 show left direction stereoscopic view, elevation view, left side view and right direction stereoscopic view of preferred embodiment respectively, can see out from the picture that it includes: the pulse heating device comprises a supporting plate, a pulse heating block 1 and a controller 2, wherein the supporting plate is used for containing a backlight source and an FPC (flexible printed circuit) flat cable, the pulse heating block 1 is suspended above the supporting plate and drives the pulse heating block to reciprocate up and down, the pulse heating block can weld the backlight source and the FPC flat cable together, the controller controls up and down movement of the telescopic mechanism, the temperature of the pulse heating block and the welding time, and the supporting plate, the telescopic mechanism and the controller are fixed on a case 3.

When the welding device is used, a backlight source to be welded and an FPC (flexible printed circuit) flat cable are placed on the supporting plate, a proper position is adjusted, an operator observes that a backlight source pin and the FPC flat cable are aligned, presses down a welding execution button, the controller controls the telescopic mechanism to drive the pulse heating block 3 to move downwards, the pulse heating block is driven to be connected with a pulse transformer in the controller and then heated, after the pulse heating block 3 collides with the backlight source pin and the FPC flat cable, a small time is delayed under the control of the controller, then the pulse heating block moves upwards for resetting, and an automatic welding process is finished. Thereby ensuring the welding consistency and greatly improving the welding efficiency. Icon 16 in the figure is a display screen of the controller.

Because the sizes of the pins of the backlight source and the FPC (flexible printed circuit) flat cable are very small, in a preferred embodiment, a camera 4 and a display screen 5 are fixed above the case 3 for facilitating observation and alignment; the camera is suspended above the supporting plate and used for shooting a pulse heating block welding backlight source and an FPC (flexible printed circuit) flat cable, and the display screen is used for amplifying and displaying images shot by the camera.

In the preferred embodiment, a column 6 is erected on the housing 3, and a cross bar 7 is fixed on the column and the camera 4 is fixed on the cross bar. The cross rod 7 can move up and down and horizontally rotate along the upright post 6, the camera 4 can horizontally move along the cross rod 7 and vertically rotate, the moving space is large, and the welding device is suitable for welding products of various models.

In the welding process, the display screen glass is bound on the upper surface of the backlight source, the size of the display screen glass is slightly larger than that of the backlight source, and the welding point between the pin of the backlight source and the FPC (flexible printed circuit) flat cable is very close to the outer edge of the display screen glass, so that the welding of the pulse heating block is easily influenced. The layer board includes dull and stereotyped 8a and hang plate 8b and with dull and stereotyped and articulated piece 8c together of hang plate, dull and stereotyped horizontal arrangement, be used for placing the FPC winding displacement, the hang plate articulates the oblique below of dull and stereotyped, is used for placing the backlight. By the supporting plate, the display screen glass is pressed down at an angle, and the pins of the backlight source are fully exposed, so that the backlight source is convenient to weld with the FPC flat cable. The display screen glass in the industry is called a liquid crystal module by adding a backlight source and an FPC (flexible printed circuit) flat cable.

In order to prevent the FPC cable from moving during welding, a pressing plate 9 is hinged to the side edge of the flat plate 8a, and the pressing plate can be turned over to press the FPC cable.

In order to prevent the backlight from moving during welding, one side of the inclined plate 8b is hinged with a cover plate 12 which can be turned over to press the backlight.

In order to facilitate the positioning of the backlight source, the middle part of the inclined plate 8b is provided with a transverse limiting strip 10 and a longitudinal limiting strip 11 which limit the position of the backlight source. The backlight is positioned between the lateral spacing strips 10 and the longitudinal spacing strips 11.

Both the transverse 10 and longitudinal 11 stop strips are adjustable to accommodate different size products. In the preferred embodiment, the inclined plate 8b is provided with a longitudinal through hole groove 14, a fixing screw passes through the transverse limiting strip 10 and the longitudinal through hole groove to fix the transverse limiting strip on the inclined plate, and the longitudinal position of the transverse limiting strip can be adjusted along the longitudinal through hole groove; the inclined plate 8b is provided with a transverse through hole groove 15, a fixing screw penetrates through the longitudinal limiting strip 11 and the transverse through hole groove to fix the longitudinal limiting strip on the inclined plate, and the transverse position of the longitudinal limiting strip can be adjusted along the transverse through hole groove.

In a preferred embodiment, the telescopic mechanism is a cylinder mechanism. In other embodiments, the telescopic mechanism is an electric telescopic rod.

In the preferred embodiment, the telescoping mechanism is enclosed in an upright housing 13 upon which the display is mounted for compact use and viewing.

The foregoing examples are illustrative only and are not intended to be limiting. Any equivalent modifications or variations without departing from the spirit and scope of the present application should be included in the claims of the present application.

Claims

1. A liquid crystal module welding machine is characterized by comprising: the pulse heating device comprises a supporting plate, a pulse heating block (1) and a controller (2), wherein the supporting plate is used for containing a backlight source and an FPC (flexible printed circuit) flat cable, the pulse heating block (1) is suspended above the supporting plate and drives the pulse heating block to reciprocate up and down, the pulse heating block can weld the backlight source and the FPC flat cable together, the controller controls the up and down movement of the telescopic mechanism, the temperature of the pulse heating block and the welding time, and the supporting plate, the telescopic mechanism and the controller are fixed on a case (3).

2. The liquid crystal module welding machine of claim 1, wherein: a camera (4) and a display screen (5) are further fixed above the case (3); the camera is suspended above the supporting plate and used for shooting a pulse heating block welding backlight source and an FPC (flexible printed circuit) flat cable, and the display screen is used for amplifying and displaying images shot by the camera.

3. The liquid crystal module welding machine of claim 2, wherein: a stand column (6) is erected on the case (3), a cross rod (7) is fixed on the stand column, and the camera (4) is fixed on the cross rod.

4. The liquid crystal module welding machine of claim 1, wherein: the supporting plate comprises a flat plate (8 a), an inclined plate (8 b) and a hinge piece (8 c) for hinging the flat plate and the inclined plate together, the flat plate is horizontally arranged and used for placing an FPC (flexible printed circuit) cable, and the inclined plate is hinged to the inclined lower side of the flat plate and used for placing a backlight source.

5. The liquid crystal module welding machine of claim 4, wherein: the side edge of the flat plate (8 a) is hinged with a pressing plate (9), and the pressing plate can be turned over to press the FPC flat cable.

6. The liquid crystal module welding machine of claim 4, wherein: the middle part of the inclined plate (8 b) is provided with a transverse limiting strip (10) and a longitudinal limiting strip (11) which limit the position of the backlight source.

7. The liquid crystal module welding machine of claim 6, wherein:

a longitudinal through hole groove (14) is formed in the inclined plate (8 b), a fixing screw penetrates through the transverse limiting strip (10) and the longitudinal through hole groove to fix the transverse limiting strip on the inclined plate, and the longitudinal position of the transverse limiting strip can be adjusted along the longitudinal through hole groove;

be equipped with horizontal through-hole groove (15) on hang plate (8 b), set screw passes vertical spacing strip (11) and horizontal through-hole groove and fixes vertical spacing strip on the hang plate, and vertical spacing strip can adjust its horizontal position along horizontal through-hole groove.

8. The liquid crystal module welding machine of claim 6, wherein: one side of the inclined plate (8 b) is hinged with a cover plate (12), and the cover plate can be overturned to press the backlight source.

9. The liquid crystal module welding machine of claim 1, wherein: the telescopic mechanism adopts an air cylinder mechanism or an electric telescopic rod.

10. The liquid crystal module welding machine of claim 2, wherein: the telescopic mechanism is enclosed in a vertical housing (13) on which the display screen (5) is embedded.