CN215293143U - Bonding machine tool of back plate for liquid crystal display - Google Patents
Bonding machine tool of back plate for liquid crystal display Download PDFInfo
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- CN215293143U CN215293143U CN202120969885.1U CN202120969885U CN215293143U CN 215293143 U CN215293143 U CN 215293143U CN 202120969885 U CN202120969885 U CN 202120969885U CN 215293143 U CN215293143 U CN 215293143U
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- workbench
- liquid crystal
- driving mechanism
- crystal display
- back plate
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Abstract
A bonding tool for a back plate of a liquid crystal display. The technical field of liquid crystal display backplate manufacturing is related to, concretely relates to assembly equipment's improvement of backplate for liquid crystal display. The gantry type automatic cutting machine comprises a rack, wherein a gantry frame and a workbench are arranged on the rack, the gantry frame is arranged in the middle of the workbench, a lower die holder is arranged on the workbench, the lower die holder is connected with the workbench through a linear slide rail, and the linear slide rail and the gantry frame are arranged in a cross manner; the top surface of the lower die base is provided with at least two stations, the stations are provided with lower templates, and the lower templates are used for placing the back plates; the bottom surface of a cross beam of the portal frame is provided with at least one vertical linear driving mechanism, and the tail end of the linear driving mechanism is connected with an upper template; the shape of the upper template is matched with that of the lower template, and the workbench can accommodate at least three stations in the direction of the linear slide rail. The utility model provides high work efficiency.
Description
Technical Field
The utility model relates to a technical field that LCD backplate was made, concretely relates to assembly equipment's of backplate for liquid crystal display improvement.
Background
With the update of liquid crystal television products, ultra-thin high definition becomes a new development direction of liquid crystal television products. The large ultra-thin back plate is formed by bonding an iron back plate (material: galvanized sheet, thickness 0.8 mm) and an aluminum back plate (material: A5052, thickness 2.0 mm), the periphery of the iron back plate adopts a flattening structure (flattening, which is an industry term) as shown in figure 4, and the whole thickness is thin; the aluminum back plate has good heat dissipation effect, scribed lines (i.e. dents, which is a term in the industry) are made by stamping the aluminum back plate, and the colloid is convenient to bond as shown in fig. 5.
The overall flatness requirement is high after the back plates are bonded, for example, the flatness of a novel 55-inch back plate is less than 0.4mm after the aluminum back plate and the iron back plate are assembled. And connect as leading with sticky mode between aluminium backplate and the iron backplate, M3 threaded connection is for assisting, but because the design has the muscle of connecting the multiple boss of electronic component circuit board and multiple supplementary backplate intensity to bend etc. on the backplate, the pressure that traditional handcraft processing mode was applyed at the viscose in-process is easily unbalanced, lead to glue film thickness inconsistent, consequently can not satisfy the quality requirement of ultra-thin type backplate, and handcraft processing's production efficiency is low, so can guarantee product quality and product production efficiency's bonding machines and tools the problem that needs to solve urgently.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to above problem, a structure is retrencied, bonding machines of backplate for the liquid crystal display that can improve product production yield and efficiency are provided.
The technical scheme of the utility model is that: the gluing machine of the back plate for the liquid crystal display comprises a rack, wherein a portal frame and a workbench are arranged on the rack, the portal frame is arranged in the middle of the workbench, a lower die holder is arranged on the workbench, the lower die holder is connected with the workbench through a linear slide rail, and the linear slide rail and the portal frame are arranged in a cross manner;
the top surface of the lower die base is provided with at least two stations, the stations are provided with lower templates, and the lower templates are used for placing the back plates;
the bottom surface of a cross beam of the portal frame is provided with at least one vertical linear driving mechanism, and the tail end of the linear driving mechanism is connected with an upper template;
the shape of the upper template is matched with that of the lower template, and the workbench can accommodate at least three stations in the direction of the linear slide rail.
And a plurality of force-unloading springs and equal-height sleeves are arranged between the lower template and the lower die base.
An upper base plate is further arranged between the upper template and the linear driving mechanism and fixedly connected with a movable rod of the linear driving mechanism, and the upper base plate is connected with the upper template through a plurality of force-unloading springs and equal-height sleeves.
The linear driving mechanism is an electric push rod or an air cylinder or an oil cylinder.
The utility model discloses to treat that bonded iron backplate and aluminium backplate are placed on the lower bolster, then utilize sharp actuating mechanism drive cope match-plate pattern activity from top to bottom, when the cope match-plate pattern down pushes down, iron backplate and the aluminium backplate on the lower bolster can be even atress simultaneously for glue film thickness between iron backplate and the aluminium backplate is unanimous, avoids producing because the atress is uneven, leads to glue film thickness inconsistent, and then influences the condition of backplate plane degree.
Besides, the workbench can accommodate at least three stations in the direction along the linear slide rail, the lower die holder reciprocates along the linear slide rail, two stations on the lower die holder always have a station to carry out bonding work below the portal frame, and another station can carry out the work of loading and unloading simultaneously, so that the working efficiency is improved.
Drawings
Figure 1 is a schematic structural view of the present invention,
figure 2 is a left side view of figure 1,
figure 3 is an enlarged view of a portion a of figure 1,
figure 4 is a schematic structural view of an iron back plate,
fig. 5 is a schematic structural diagram of an aluminum backplane.
In the figure, 1 is a frame, 2 is a workbench, 21 is a lower die holder, 22 is a lower die plate, 3 is a portal frame, 31 is a linear driving mechanism, 32 is an upper backing plate, 33 is an upper die plate, 41 is a first station, 42 is a second station, 43 is a third station, 5 is a back plate, 51 is an iron back plate, 52 is an aluminum back plate, 521 is a glue layer, 61 is a force-releasing spring, and 62 is an equal-height sleeve.
Detailed Description
The utility model is further explained by combining the attached figures 1-5, the utility model comprises a frame 1, a portal frame 3 and a workbench 2 are arranged on the frame 1, the portal frame 3 is arranged in the middle of the workbench 2, a lower die holder 21 is arranged on the workbench 2, the lower die holder 21 is connected with the workbench 2 through a linear slide rail, and the linear slide rail and the portal frame 3 are arranged in a cross shape;
the top surface of the lower die base 21 is provided with at least two stations, the stations are provided with lower templates 22, and the lower templates 22 are used for placing the back plates 5;
the bottom surface of a cross beam of the portal frame 3 is provided with at least one vertical linear driving mechanism 31, and the tail end of the linear driving mechanism 31 is connected with an upper template 33;
the shape of the upper template 33 is matched with that of the lower template 22, and the workbench 2 can accommodate at least three stations in the direction of the linear slide rail, including a station I41, a station II 42 and a station III 43. The utility model discloses to treat that adhesive iron backplate 51 and aluminium backplate 52 are placed on lower bolster 22, then utilize sharp actuating mechanism 31 drive cope match-plate pattern 33 activity from top to bottom, when cope match-plate pattern 33 down pushes down, iron backplate 51 and the aluminium backplate 52 on the lower bolster 22 can be even atress simultaneously for glue film 521 thickness between iron backplate 51 and the aluminium backplate 52 is unanimous, avoid producing because the atress is uneven, lead to glue film 521 thickness inconsistent, and then influence the condition of 5 plane degrees of backplate.
Besides, the workbench 2 is arranged at three stations along the direction of the linear slide rail, the lower die base 21 reciprocates along the linear slide rail, one station of the two stations on the lower die base 21 is always adhered in the second station 42 below the portal frame 3, and the other station is arranged at the first station 41 or the third station 43 on the left/right side of the workbench 2, so that the feeding and discharging work can be simultaneously carried out, and the working efficiency is improved.
A plurality of force-releasing springs 61 and an equal-height sleeve 62 are also arranged between the lower template 22 and the lower die base 21.
An upper backing plate 32 is further arranged between the upper template 33 and the linear driving mechanism 31, the upper backing plate 32 is fixedly connected with a movable rod of the linear driving mechanism 31, and the upper backing plate 32 is connected with the upper template 33 through a plurality of force-unloading springs 61 and equal-height sleeves 62. The force-releasing spring 61 can prevent the lower pressure of the upper template 33 from being too large, and after the upper template 33, the back plate 5 and the lower template 22 are tightly pressed and attached, redundant extrusion force is absorbed, so that the back plate 5 is prevented from being pressed and deformed, and the product quality is prevented from being influenced; the equal-height sleeve 62 can ensure that the upper template 33 and the lower template 22 can move along the vertical direction, and the phenomenon that the thickness of the adhesive layer 521 is uneven to influence the product quality due to the fact that the lower pressure deviates is avoided.
The linear driving mechanism 31 is an electric push rod or an air cylinder or an oil cylinder, and the linear driving mechanism 31 can be additionally provided with a delay pressure maintaining device and pressure display equipment, can be selected according to specific models, belongs to the conventional technology in the field, and is not described herein again.
The present invention is not limited to the above embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some replacements and transformations for some technical features without creative labor according to the disclosed technical contents, and these replacements and transformations are all within the protection scope of the present invention.
Claims (4)
1. The bonding machine tool for the back plate of the liquid crystal display comprises a rack and is characterized in that a portal frame and a workbench are arranged on the rack, the portal frame is arranged in the middle of the workbench, a lower die holder is arranged on the workbench, the lower die holder is connected with the workbench through a linear slide rail, and the linear slide rail and the portal frame are arranged in a cross manner;
the top surface of the lower die base is provided with at least two stations, the stations are provided with lower templates, and the lower templates are used for placing the back plates;
the bottom surface of a cross beam of the portal frame is provided with at least one vertical linear driving mechanism, and the tail end of the linear driving mechanism is connected with an upper template;
the shape of the upper template is matched with that of the lower template, and the workbench can accommodate at least three stations in the direction of the linear slide rail.
2. The bonding tool of the back plate for the liquid crystal display as claimed in claim 1, wherein a plurality of force-releasing springs and equal-height sleeves are further arranged between the lower template and the lower base.
3. The bonding tool of the back plate for the liquid crystal display as claimed in claim 1, wherein an upper pad plate is further disposed between the upper mold plate and the linear driving mechanism, the upper pad plate is fixedly connected with the movable rod of the linear driving mechanism, and the upper pad plate is connected with the upper mold plate through a plurality of force-releasing springs and equal-height sleeves.
4. The bonding tool of the back plate for the LCD according to claim 1 or 3, wherein the linear driving mechanism is an electric push rod or an air cylinder or an oil cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120969885.1U CN215293143U (en) | 2021-05-08 | 2021-05-08 | Bonding machine tool of back plate for liquid crystal display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120969885.1U CN215293143U (en) | 2021-05-08 | 2021-05-08 | Bonding machine tool of back plate for liquid crystal display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215293143U true CN215293143U (en) | 2021-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120969885.1U Active CN215293143U (en) | 2021-05-08 | 2021-05-08 | Bonding machine tool of back plate for liquid crystal display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215293143U (en) |
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2021
- 2021-05-08 CN CN202120969885.1U patent/CN215293143U/en active Active
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