CN203254126U - Assembling machine - Google Patents

Abstract

The utility model discloses an assembly machine, which comprises a light bar bearing mechanism, a light guide plate bearing mechanism, and a pressing mechanism; wherein, the light bar bearing mechanism is used for fixing and carrying the light bar; Light guide plate; the pressing mechanism is used to press together the light bar fixedly carried by the light bar carrying mechanism and the light guide plate fixedly carried by the light guide plate carrying mechanism. The assembly machine of the utility model avoids the error caused by manual operation in the prior art and the bonding tightness that cannot meet the requirements, and can realize the precise positioning between the light bar and the light guide plate, so that the light emitting surface of the light bar is in line with the light guide plate. The bonding tightness between the light incident surfaces of the light guide plate meets the requirements, so the luminance of the produced backlight source can be guaranteed and the luminance of the backlight source has better uniformity. In addition, since the manual operation is replaced by an assembly machine, convenient and rapid assembly can be realized.

Description

an assembly machine

technical field

The utility model relates to the mechanical field, in particular to an assembly machine.

Background technique

At present, in the backlight production process, the light bar and the light guide plate are usually assembled together manually. This kind of assembly method between the light bar and the light guide plate is slow and the efficiency is relatively low, and the above-mentioned manual operation is likely to cause errors in the alignment between the light bar and the light guide plate, and sometimes the light bar and the light guide plate are tightly bonded. The brightness cannot meet the requirements, which leads to low luminance and poor uniformity of the backlight source.

Utility model content

In view of this, the main purpose of the present utility model is to provide an assembly machine, which can solve the problems of error caused by manual assembly of the light bar and the light guide plate and the inability to meet the required bonding tightness.

In order to achieve the above object, the technical solution of the utility model is achieved in that:

An assembling machine, which includes a light bar bearing mechanism, a light guide plate bearing mechanism, and a pressing mechanism; wherein,

The light bar carrying mechanism is used to fix and carry the light bar;

The light guide plate carrying mechanism is used to fix and carry the light guide plate;

The pressing mechanism is used to press together the light bar fixedly carried by the light bar carrying mechanism and the light guide plate fixedly carried by the light guide plate carrying mechanism.

The assembly machine also includes a base chassis;

The light bar bearing mechanism and the light guide plate bearing mechanism are installed on the base chassis, and the pressing mechanism is installed on the base chassis through a bracket.

The light bar carrying mechanism includes a light bar fixing plate, the surface of the light bar fixing plate is provided with a light bar fixing groove for fixing the light bar; and/or,

The light guide plate carrying mechanism includes a light guide plate fixing plate, the surface of the light guide plate fixing plate is provided with a light guide plate fixing groove for fixing the light guide plate.

The height of the light bar fixing groove is lower than the height of the light guide plate fixing groove.

The light bar carrying mechanism further includes a light bar displacement control mechanism capable of displacing the light bar fixing plate; and/or,

The light guide plate carrying mechanism further includes a light guide plate displacement control mechanism capable of displacing the light guide plate fixing plate.

The light bar displacement control mechanism also includes a slide rail capable of supporting the light bar fixing plate, and the slide rail makes the light bar fixing plate move along the slide rail in the horizontal plane;

The light guide plate displacement control mechanism further includes a slide rail capable of supporting the light guide plate fixing plate, and the slide rail enables the light guide plate fixing plate to move along the slide rail in a horizontal plane.

A first slider fixedly connected to the light bar fixing plate and slidingly connected to the slide rail is arranged between the slide rail supporting the light bar fixing plate and the light bar fixing plate; and/or,

A second slider that is fixedly connected to the light guide plate fixing plate and slidably connected to the slide rail is arranged between the slide rail supporting the light guide plate fixing plate and the light guide plate fixing plate.

The displacement control mechanism of the light bar and/or the displacement control mechanism of the light guide plate is connected with a displacement driving device capable of setting a driving distance, and the displacement driving device is used to control the displacement of the connected displacement control mechanism to another The mechanism pushes the set distance to make the light bar fit the light guide plate.

Among the displacement control mechanisms, the displacement control mechanisms not connected with the displacement driving device are also connected with the buffer device.

The assembly machine also includes a vacuum generator; a through hole is opened in the light bar fixing groove, and the light bar fixing groove is connected with the vacuum generator through the through hole; and/or,

A through hole is opened in the fixing groove of the light guide plate, through which the fixing groove of the light guide plate is connected with the vacuum generator.

The pressing mechanism includes a pressing driving device, a connecting shaft and a pressing block;

The press-fit driving device is fixed on the base chassis through a bracket;

The connecting shaft protrudes from the press-fit driving device and is connected with the pressing block to drive the pressing block to move up and down.

A rubber pad is installed on the lower part of the pressure block.

The assembly machine of the utility model avoids the error caused by manual operation in the prior art and the tightness of bonding that cannot meet the requirements, and can realize the precise positioning between the light bar and the light guide plate, so that the light emitting surface of the light bar is in line with the light guide plate. The bonding tightness between the light incident surfaces of the light guide plate meets the requirements, so the luminance of the produced backlight can be guaranteed and the luminance of the backlight has good uniformity. In addition, since the manual operation is replaced by an assembly machine, convenient and rapid assembly can be realized.

Description of drawings

Fig. 1 is the front view of the assembly machine of the utility model embodiment;

Fig. 2 is the top view of the assembly machine of the utility model embodiment;

Fig. 3 is a partially enlarged view of an assembly machine according to an embodiment of the present invention;

Fig. 4 is a partially enlarged view of an assembly machine according to another embodiment of the present invention;

Explanation of reference signs:

1. The base chassis; 2. The switch of the vacuum generator that absorbs the light guide plate; 3. The switch of the vacuum generator that absorbs the light bar; 4. The main switch of the assembly machine; 5. The switch indicator light; 6. The main load board; 8. Slide rail; 9. The first slider; 10. The second slider; 12. The first bearing plate; 13. The baffle; 14. The buffer device; 15. The light bar fixing plate; 16. The light bar fixing groove; 17 , the second bearing plate; 18, the displacement driving device; 19, the light guide plate fixing plate; 20, the light guide plate fixing groove; 21, the bracket; 22, the pressing driving device; 24, the pressing block; 25, the light bar; , Light guide plate; 27, Rubber pad.

Detailed ways

The assembly machine proposed by the utility model can be used for the assembly of the light bar and the light guide plate, so as to avoid the error caused by the manual operation in the prior art and the tightness of bonding that cannot meet the requirements, so that the light-emitting surface of the light bar and the light guide plate The bonding tightness between the light incident surfaces of the light panels meets the requirements.

In general, the assembling machine of the present invention may include a light bar carrying mechanism, a light guide plate carrying mechanism, and a pressing mechanism. Wherein, the light bar carrying mechanism is used for fixing and carrying the light bar; the light guide plate carrying mechanism is used for fixing and carrying the light guide plate; put together. In the case that the light bar and/or the light guide plate are provided with an adhesive (such as double-sided tape, glue, etc.), the tight adhesion between the light bar and the light guide plate can be achieved, and the light bar and the light guide plate can be tightly bonded. The fit tightness can meet the requirements.

Referring to Figures 1 and 2, the light bar carrying mechanism can generally include a light bar fixing plate 15, which can be a flat plate with a flat surface or a light bar fixing groove 16 for fixing the light bar 25 is provided on the surface, The light bar 25 can be inserted into and fastened in the light bar fixing groove 16 . The light guide plate carrying mechanism can generally include a light guide plate fixing plate 19, which can be a flat plate with a flat surface or is provided with a light guide plate fixing groove 20 for fixing the light guide plate 26 on the surface, and the light guide plate 26 can sink into and Fastened in the fixing groove 20 of the light guide plate.

When the light bar carrying mechanism and the light guide plate carrying mechanism only include the light bar fixing plate 15 and the light guide plate fixing plate 19 respectively, the device to be pressed (such as The position to be pressed of the light bar 25 and/or light guide plate 26) needs to be protruded from the carrying mechanism, and the positional relationship between the light bar carrying mechanism and the light guide plate carrying mechanism also needs to ensure that the placed light bar 25 and guide plate Alignment accuracy that satisfies the requirements has been achieved between the light plates 26 to ensure that there is no alignment error when pressing the light bar 25 and the light guide plate 26, and the light bar 25 and the light guide plate 26 can be pressed together by the pressing mechanism . For example: first clamp the light bar 25 in the light bar fixing groove 16, then clamp the light guide plate 26 in the light guide plate fixing groove 20, and then use the pressing mechanism to press the light bar 25 and the light guide plate 26 into the Together.

Since the size or pressing position of the light bar 25 and the light guide plate 26 may change, in order to ensure the assembly flexibility of the light bar 25 and the light guide plate 26, the light bar carrying mechanism may also include a device capable of displacing the light bar fixing plate 15. Light bar displacement control mechanism; similarly, the light guide plate carrying mechanism may also include a light guide plate displacement control mechanism capable of displacing the light guide plate fixing plate 19 . Specifically, a slide rail 8 capable of supporting the light bar fixing plate 15 and the light guide plate fixing plate 19 can be provided, and the slide rail 8 can make the light bar fixing plate 15 and the light guide plate fixing plate 19 move along the slide rail 8 in the horizontal plane, Such as moving freely in the X direction and the Y direction (in this case, slide rails 8 in the X direction and the Y direction need to be provided). In this way, the positional relationship such as the distance between the light bar 25 placed on the light bar fixing plate 15 and the light guide plate 26 placed on the light guide plate fixing plate 19 can change, and is no longer fixed, ensuring that the light bar 25 and the light guide plate 26 are not fixed. Assembly flexibility of the light guide plate 26 .

In order to ensure operational stability, a first slider 9 that can move freely on the slide rail 8 in the aforementioned corresponding manner can also be provided between the slide rail 8 and the light bar fixing plate 15, and the first slider 9 can be fixed with the light bar The plate 15 is fixedly connected; in the same way, a second slider 10 that can move arbitrarily in the aforementioned corresponding manner on the slide rail 8 can also be set between the slide rail 8 and the light guide plate fixing plate 19, and the second slider 10 can be connected with the guide plate. The light board fixing plate 19 is fixedly connected.

At least one of the displacement control mechanisms of the light bar and the light guide plate can be connected to a displacement drive device 18 (such as a cylinder, a motor, etc.), so that the displacement drive device 18 can shift the The control mechanism is pushed toward another displacement control mechanism, so that the light bar 25 and the light guide plate 26 have a positional relationship suitable for pressing. In addition, the displacement control mechanism not connected to the displacement driving device 18 can also be connected with the buffer device 14 (such as: a spring), so as to buffer the stress between the light bar 25 and the light guide plate 26 when the light bar 25 is in contact with the light guide plate 26 , to avoid the occurrence of poor assembly. Specifically, the first bearing plate 12 can be arranged between the light bar fixing plate 15 and the first slider 9, or the second bearing plate 17 can be arranged between the light guide plate fixing plate 19 and the second slider 10, and the The displacement driving device 18 is connected with the first carrying plate 12 and/or the second carrying plate 17, further, the carrying plate not connected with the shifting driving device 18 in the first carrying plate 12 and the second carrying plate 17 can be connected with The buffer device 14 is connected. Of course, the first bearing plate 12 and the second bearing plate 17 may not be provided, but the displacement driving device 18 is directly connected with the first slider 9 and/or the second slider 10, or the displacement driving device 18 is directly connected to the first slider 9 and/or the second slider 10 18 is connected to the light bar fixing plate 15 and/or the light guide plate fixing plate 19; similarly, the buffer device 14 can be directly connected to the first slider 9 and/or the second slider 10, or the buffer device 14 can be directly connected to the lamp The bar fixing plate 15 and/or the light guide plate fixing plate 19 are connected.

The shapes of the first bearing plate 12 and the second bearing plate 17 may be rectangular.

When the buffer device 14 is connected, a baffle 13 may also be provided on the buffer device 14 for better displacement control of the device connected with the buffer device 14 .

The light bar carrying mechanism and/or the light guide plate carrying mechanism can also be connected with the vacuum generator. In this way, the vacuum formed by the vacuum generator can adsorb the light bar 25 and/or the light guide plate 26 on the corresponding light bar carrying mechanism and light guide plate carrying mechanism, which is beneficial to the assembly of the light bar 25 and the light guide plate 26 . For example: open a through hole in the light bar fixing groove 16, and connect the light bar fixing groove 16 with the vacuum generator through the through hole; it is also possible to open a through hole in the light guide plate fixing groove 20, and connect the light guide plate through the through hole. The fixing groove 20 is connected with the vacuum generator. The light bar carrying mechanism and the light guide plate carrying mechanism can be connected to the same or different vacuum generators.

The above-mentioned light bar bearing mechanism and light guide plate bearing mechanism can be installed on the base chassis 1 through components such as screws, and the pressing mechanism can be installed on the base chassis 1 through the bracket 21 . For example: the base chassis 1 is fixed with the slide rail 8 by screws, and the shape of the bracket 21 can be L-shaped or the like. The pressing mechanism can include a connected pressing drive device 22 (such as a cylinder, a motor, etc.) and a pressing block 24, and the pressing driving device 22 can usually be connected to the pressing block 24 through a connecting shaft (not shown in the figure); wherein , the pressing driving device 22 can provide pressure for pressing the light bar 25 and the light guide plate 26 to the pressing block 24 , and the pressing block 24 presses the light bar 25 and the light guide plate 26 together under the pressure.

In practical application, a switch of the vacuum generator can also be set on the base case 1 . If the light bar carrying mechanism and the light guide plate carrying mechanism are connected to different vacuum generators, then the switch 2 of the vacuum generator that absorbs the light guide plate and the switch 3 of the vacuum generator that absorbs the light bar can be set on the base chassis 1 . The main switch 4 of the assembly machine and the switch indicator light 5 can also be set on the base chassis 1 .

When using the assembly machine shown in Figures 1 and 2, first turn on the main switch 4 of the assembly machine, press the switch 2 of the vacuum generator that absorbs the light guide plate and the switch 3 of the vacuum generator that absorbs the light bar The light bar 25 and the light guide plate 26 of the double-sided tape are respectively placed in the light bar fixing groove 16 and the light guide plate fixing groove 20, and the light incident surface of the light guide plate 26 can protrude from the edge of the light guide plate fixing groove 20 by about 10mm . At this time, the vacuum generator for absorbing the light guide plate and the vacuum generator for absorbing the light bar use vacuum adsorption to precisely position and fix the light bar 25 and the light guide plate 26 .

Move the displacement driving device 18 horizontally, push the second bearing plate 17 connected with the displacement driving device 18 to move toward the light bar 25 , so that the light incident surface of the light guide plate 26 and the light emitting surface of the light bar 25 are close together. At this time, the buffer device 14 can provide a buffer to prevent the light guide plate 26 from exerting excessive stress on the light on the light bar 25, so as to prevent the light from falling off and causing poor installation. Next, the press-fit driving device 22 drives the pressure block 24 to move downward. As shown in FIGS. Bonding, the bonding seam between the light guide plate 26 and the light bar 25 is ≤0.1 mm. Afterwards, the press-fit driving device 22 can drive the pressure block 24 to lift up, so as to facilitate the removal of the light guide plate 26 and the light bar 25 pressed together.

It should be noted that, as shown in FIG. 3 , a rubber pad 27 can be installed under the pressure block 24 , and the rubber pad 27 can provide cushioning to avoid damage to the light bar 25 or the light guide plate 26 when the pressure block 24 is pressed down. In addition, as shown in Figure 4, the height of the light bar fixing groove 16 can be set lower than the height of the light guide plate fixing groove 20, so that the light guide plate 26 can be positioned on the light bar 25, and the light guide plate 26 and the light bar can be smoothly realized. 25 press fit.

In combination with the above description, it can be seen that the assembly machine of the present invention may include a light bar carrying mechanism, a light guide plate carrying mechanism, and a pressing mechanism; wherein,

The light bar carrying mechanism is used to fix and carry the light bar;

The light guide plate carrying mechanism is used to fix and carry the light guide plate;

The pressing mechanism is used to press together the light bar fixedly carried by the light bar carrying mechanism and the light guide plate fixedly carried by the light guide plate carrying mechanism.

The assembly machine also includes a base chassis;

The light bar bearing mechanism and the light guide plate bearing mechanism are installed on the base chassis, and the pressing mechanism is installed on the base chassis through a bracket.

The light bar carrying mechanism includes a light bar fixing plate, the surface of the light bar fixing plate is provided with a light bar fixing groove for fixing the light bar; and/or,

The light guide plate carrying mechanism includes a light guide plate fixing plate, the surface of the light guide plate fixing plate is provided with a light guide plate fixing groove for fixing the light guide plate.

The height of the light bar fixing groove is lower than the height of the light guide plate fixing groove.

The light bar carrying mechanism further includes a light bar displacement control mechanism capable of displacing the light bar fixing plate; and/or,

The light guide plate carrying mechanism further includes a light guide plate displacement control mechanism capable of displacing the light guide plate fixing plate.

The light bar displacement control mechanism also includes a slide rail capable of supporting the light bar fixing plate, and the slide rail makes the light bar fixing plate move along the slide rail in the horizontal plane;

The light guide plate displacement control mechanism further includes a slide rail capable of supporting the light guide plate fixing plate, and the slide rail enables the light guide plate fixing plate to move along the slide rail in a horizontal plane.

A first slider fixedly connected to the light bar fixing plate and slidingly connected to the slide rail is arranged between the slide rail supporting the light bar fixing plate and the light bar fixing plate; and/or,

A second slider that is fixedly connected to the light guide plate fixing plate and slidably connected to the slide rail is arranged between the slide rail supporting the light guide plate fixing plate and the light guide plate fixing plate.

The displacement control mechanism of the light bar and/or the displacement control mechanism of the light guide plate is connected with a displacement driving device capable of setting a driving distance, and the displacement driving device is used to control the displacement of the connected displacement control mechanism to another The mechanism pushes the set distance to make the light bar fit the light guide plate.

Among the displacement control mechanisms, the displacement control mechanisms not connected with the displacement driving device are also connected with the buffer device.

The assembly machine also includes a vacuum generator; a through hole is opened in the light bar fixing groove, and the light bar fixing groove is connected with the vacuum generator through the through hole; and/or,

A through hole is opened in the fixing groove of the light guide plate, through which the fixing groove of the light guide plate is connected with the vacuum generator.

The pressing mechanism includes a pressing driving device, a connecting shaft and a pressing block;

The press-fit driving device is fixed on the base chassis through a bracket;

The connecting shaft protrudes from the press-fit driving device and is connected with the pressing block to drive the pressing block to move up and down.

A rubber pad is installed on the lower part of the pressure block.

To sum up, it can be seen that the assembly machine of the utility model avoids the errors caused by the manual operation in the prior art and the bonding tightness that cannot meet the requirements, and can realize the precise positioning between the light bar and the light guide plate, so that The bonding tightness between the light-emitting surface of the light bar and the light-incident surface of the light guide plate meets the requirements, so the luminance of the produced backlight can be guaranteed and the luminance of the backlight has good uniformity. In addition, since the manual operation is replaced by an assembly machine, convenient and rapid assembly can be realized.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the protection scope of the present utility model.

Claims (12)

1. An assembly machine, characterized in that the assembly machine includes a light bar carrying mechanism, a light guide plate carrying mechanism, and a pressing mechanism; wherein, The light bar carrying mechanism is used to fix and carry the light bar; The light guide plate carrying mechanism is used to fix and carry the light guide plate; The pressing mechanism is used to press together the light bar fixedly carried by the light bar carrying mechanism and the light guide plate fixedly carried by the light guide plate carrying mechanism. 2. The assembly machine according to claim 1, further comprising a base chassis; The light bar bearing mechanism and the light guide plate bearing mechanism are installed on the base chassis, and the pressing mechanism is installed on the base chassis through a bracket. 3. The assembly machine according to claim 1, characterized in that, The light bar carrying mechanism includes a light bar fixing plate, the surface of the light bar fixing plate is provided with a light bar fixing groove for fixing the light bar; and/or, The light guide plate carrying mechanism includes a light guide plate fixing plate, the surface of the light guide plate fixing plate is provided with a light guide plate fixing groove for fixing the light guide plate. 4. The assembly machine according to claim 3, wherein the height of the light bar fixing groove is lower than the height of the light guide plate fixing groove. 5. The assembly machine according to claim 3, characterized in that, The light bar carrying mechanism further includes a light bar displacement control mechanism capable of displacing the light bar fixing plate; and/or, The light guide plate carrying mechanism further includes a light guide plate displacement control mechanism capable of displacing the light guide plate fixing plate. 6. The assembly machine according to claim 5, characterized in that, The light bar displacement control mechanism also includes a slide rail capable of supporting the light bar fixing plate, and the slide rail makes the light bar fixing plate move along the slide rail in the horizontal plane; The light guide plate displacement control mechanism further includes a slide rail capable of supporting the light guide plate fixing plate, and the slide rail enables the light guide plate fixing plate to move along the slide rail in a horizontal plane. 7. The assembly machine according to claim 6, characterized in that, A first slider fixedly connected to the light bar fixing plate and slidingly connected to the slide rail is arranged between the slide rail supporting the light bar fixing plate and the light bar fixing plate; and/or, A second slider that is fixedly connected to the light guide plate fixing plate and slidably connected to the slide rail is arranged between the slide rail supporting the light guide plate fixing plate and the light guide plate fixing plate. 8. The assembly machine according to claim 7, characterized in that, The displacement control mechanism of the light bar and/or the displacement control mechanism of the light guide plate is connected with a displacement driving device capable of setting a driving distance, and the displacement driving device is used to control the displacement of the connected displacement control mechanism to another The mechanism pushes the set distance to make the light bar fit the light guide plate. 9. The assembly machine according to claim 8, characterized in that, among the displacement control mechanisms, those displacement control mechanisms not connected to the displacement driving device are also connected to the buffer device. 10. The assembly machine according to claim 3, characterized in that, the assembly machine further comprises a vacuum generator; a through hole is opened in the light bar fixing groove, and the light bar is fixed in the groove through the through hole connected to said vacuum generator; and/or, A through hole is opened in the fixing groove of the light guide plate, through which the fixing groove of the light guide plate is connected with the vacuum generator. 11. The assembly machine according to any one of claims 2 to 10, characterized in that the pressing mechanism comprises a pressing driving device, a connecting shaft and a pressing block; The press-fit driving device is fixed on the base chassis through a bracket; The connecting shaft protrudes from the press-fit driving device and is connected with the pressing block to drive the pressing block to move up and down. 12. The assembly machine according to claim 11, characterized in that a rubber pad is installed on the lower part of the pressure block.

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