CN211515727U - Sheet stamping die of liquid crystal display backboard front frame - Google Patents
Sheet stamping die of liquid crystal display backboard front frame Download PDFInfo
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- CN211515727U CN211515727U CN201922149083.1U CN201922149083U CN211515727U CN 211515727 U CN211515727 U CN 211515727U CN 201922149083 U CN201922149083 U CN 201922149083U CN 211515727 U CN211515727 U CN 211515727U
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- plate
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- upper die
- spring
- cylinder body
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 23
- 239000010687 lubricating oil Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims 4
- 238000004080 punching Methods 0.000 description 9
- 230000009471 action Effects 0.000 description 5
- 238000007599 discharging Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a sheet stamping die of a liquid crystal display backboard front frame, which comprises a workbench, a support column, a guide rod, a fixed plate, a hydraulic press component, an upper die plate, a limiting device, a guide groove and a demoulding component, wherein the four corners of the top of the workbench are fixed with the guide rod, the top of the guide rod is welded and fixed with the fixed plate, the hydraulic press component is fixed in the middle of the bottom of the fixed plate, the output end of the hydraulic press component is fixed with the upper die plate, the four corners of the bottom of the upper die plate are positioned outside the upper die base and are provided with the limiting device, the sheet stamping die of the liquid crystal display backboard front frame can prevent a sheet from shaking during stamping through the limiting device, the product quality after stamping is influenced, and after the stamping, when the upper die plate is driven by the hydraulic press component to move upwards, the upper die base can be driven by the upper die plate, the plate after stamping can be prevented from being attached to the upper die base, and the stamping die can be conveniently demoulded.
Description
Technical Field
The utility model relates to the technical field, specifically be sheet material stamping die of frame before the liquid crystal display backplate.
Background
Liquid crystal displays, which are flat, ultra-thin display devices, consist of a certain number of color or black and white pixels placed in front of a light source or a reflective surface. Liquid crystal displays are very low power consuming and are therefore favored by engineers for use in battery-operated electronic devices. The main principle is that the current stimulates the liquid crystal molecules to generate points, lines and surfaces which are matched with the back lamp tube to form a picture.
Most of liquid crystal display devices in the existing market are backlight liquid crystal display devices, the liquid crystal display devices comprise a backlight module and a liquid crystal panel combined on the backlight module, a liquid crystal display back plate is an important structure in a trap display, the liquid crystal display back plate is produced in a stamping mode in production, a die used in stamping is a key for production of the liquid crystal display back plate, the existing stamping die is complex in structure, an additional limiting mechanism is needed for limiting plates in stamping, and an independent structure is needed for demoulding.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sheet material stamping die of frame before the liquid crystal display backplate to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the sheet stamping die for the front frame of the liquid crystal display back plate comprises a workbench, support columns, guide rods, a fixing plate, a hydraulic press component, an upper template, an upper die holder, a punch, a limiting device, a lower die holder, a die cavity, guide grooves and a demoulding component, wherein the support columns are fixed at four corners of the bottom of the workbench, the guide rods are fixed at four corners of the top of the workbench, the fixing plate is welded and fixed at the top of the guide rods, the hydraulic press component is fixed in the middle of the bottom of the fixing plate, the upper template is fixed at the output end of the hydraulic press component, the four upper templates are provided with through holes, the guide rods are slidably connected in the through holes, the upper die holder is fixed in the middle of the bottom of the upper template, the limiting device is arranged at four corners of the bottom of the upper template outside the upper die holder, the punch is fixed at the bottom of the upper, the bottom of the die cavity is provided with a guide groove matched with the punch, and the bottom of the die cavity is equidistantly provided with demoulding components.
Preferably, stop device includes piston rod, cylinder body, connecting plate, first spring and limiting plate, piston rod top and cope match-plate pattern bottom fixed connection, the piston rod bottom is passed the cylinder body top and is located inside the cylinder body, and piston rod and cylinder body sliding connection, the piston rod is located the inside one end of cylinder body and is fixed with the connecting plate, the connecting plate bottom is fixed with first spring, and the first spring other end and cylinder body inner wall fixed connection, the cylinder body bottom is through welded fixedly connected with limiting plate.
Preferably, the drawing of patterns subassembly includes spacing groove, discharge arm and second spring, die cavity bottom equidistance is equipped with the spacing groove, sliding connection has the discharge arm in the spacing groove, the discharge arm bottom is fixed with the second spring, one section and the spacing inslot wall fixed connection of discharge arm are kept away from to the second spring.
Preferably, the elastic coefficient of the first spring is greater than the elastic coefficient of the second spring.
Preferably, lubricating oil is smeared on the inner wall of the cylinder body and the outer side of the connecting plate.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model firstly places the plate to be punched at the top of the lower die base, then drives the upper die plate to move downwards through the hydraulic press component, drives the upper die base to move downwards through the upper die plate, drives the punch at the bottom of the upper die base to move downwards through the movement of the upper die base, after the punch is contacted with the plate, the plate can be embedded into the die cavity under the action of the punch, then the plate forms various holes or grooves through the matching of the punch and the guide groove in the die cavity, thereby punching and forming the plate, and when the upper die plate drives the upper die base to move downwards, the upper die plate can also drive the limiting devices at the four corners to move, when the punch is contacted with the plate, the limiting plates at the bottom of the limiting devices are also contacted with the four corners of the plate, and when the upper die plate continues to move downwards, the upper die plate can drive the piston cylinder in the limiting devices to continue to move downwards, make first spring produce elasticity, at this moment the elasticity of first spring can be used in on the limiting plate, make the limiting plate hug closely on the panel surface, make panel be fixed with and fix at the upper die base top, can prevent like this that panel from rocking when the punching press, influence the product quality after the punching press, and after the punching press, when hydraulic press subassembly drives cope match-plate pattern rebound, the cope match-plate pattern can drive the upper die base and keep away from the die cavity, and at this moment stop device's first spring release elasticity, make the limiting plate continue to hug closely on the panel surface, can prevent that the panel after the punching press from pasting on the upper die base, make things convenient for the stamping die drawing.
Drawings
FIG. 1 is a schematic view of the cross-sectional structure of the present invention;
FIG. 2 is a schematic structural view of the limiting device of the present invention;
FIG. 3 is a schematic structural view of the demolding assembly of the present invention;
fig. 4 is a schematic view of the top view structure of the upper die base of the present invention.
In the figure: 1. a work table; 2. a support pillar; 3. a guide bar; 4. a fixing plate; 5. a hydraulic press assembly; 6. Mounting a template; 7. an upper die holder; 8. a punch; 9. a limiting device; 10. a lower die holder; 11. a mold cavity; 12. A guide groove; 13. a demolding component; 14. a piston rod; 15. a cylinder body; 16. a connecting plate; 17. a first spring; 18. a limiting plate; 19. a limiting groove; 20. a discharge rod; 21. a second spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in 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.
Referring to fig. 1-4, the present invention provides a technical solution: a sheet stamping die for a front frame of a liquid crystal display back plate comprises a workbench 1, support columns 2, guide rods 3, a fixing plate 4, a hydraulic press assembly 5, an upper die plate 6, an upper die base 7, a punch 8, a limiting device 9, a lower die base 10, a die cavity 11, a guide groove 12 and a demolding assembly 13, wherein the support columns 2 are fixed at four corners of the bottom of the workbench 1, the guide rods 3 are fixed at four corners of the top of the workbench 1, the fixing plate 4 is fixedly welded at the top of the guide rods 3, the hydraulic press assembly 5 is fixed at the middle of the bottom of the fixing plate 4, the upper die plate 6 is fixed at the output end of the hydraulic press assembly 5, four upper die plates 6 are provided with through holes, the guide rods 3 are connected in the through holes in a sliding manner, the upper die base 7 is fixed at the middle of the bottom of the upper die plate 6, the limiting device 9 is arranged, the die comprises a workbench 1, a lower die base 10 is fixed to the top of the workbench 1 and located under an upper die base 7, a die cavity 11 is arranged at the top of the lower die base 10, a guide groove 12 matched with a punch 8 is formed in the bottom of the die cavity 11, and demolding assemblies 13 are arranged at the bottom of the die cavity 11 in an equidistant mode.
The demolding component 13 comprises a limiting groove 19, a discharging rod 20 and a second spring 21, the limiting groove 19 is formed in the bottom of the mold cavity 11 at the same distance, the discharging rod 20 is connected in the limiting groove 19 in a sliding mode, the second spring 21 is fixed to the bottom of the discharging rod 20, one section of the second spring 21, far away from the discharging rod 20, is fixedly connected with the inner wall of the limiting groove 19, and a module after stamping can be taken out of the mold cavity 11 conveniently.
The elastic coefficient of the first spring 17 is larger than that of the second spring 21.
Lubricating oil is smeared on the inner wall of the cylinder body 15 and the outer side of the connecting plate 16, and the friction force between the cylinder body 15 and the connecting plate 16 is reduced.
The working principle is as follows: firstly, a plate to be punched is placed at the top of a lower die holder 10, then an upper die plate 6 is driven to move downwards by a hydraulic press component 5, an upper die holder 7 is driven to move downwards by the upper die plate 6, a punch 8 at the bottom of the upper die holder 7 is driven to move downwards by the movement of the upper die holder 7, when the punch 8 is contacted with the plate, the plate is embedded into a die cavity 11 under the action of the punch 8, then the plate is formed into various holes or grooves by the matching of the punch 8 and a guide groove 12 in the die cavity 11, so that the plate is punched and formed, when the upper die plate 6 drives the upper die holder 7 to move downwards, the upper die plate 6 also drives limiting devices 9 at the four corners to move, when the punch 8 is contacted with the plate, limiting plates 18 at the bottom of the limiting devices 9 are also contacted with the four corners of the plate, and when the upper die plate 6 continues to move downwards, the upper die plate 6 drives a piston rod 14 in the, extrude first spring 17 in the cylinder body 15 through piston rod 14, make first spring 17 produce elasticity, at this moment first spring 17's elasticity can be used in limiting plate 18, make limiting plate 18 hug closely on the panel surface, make panel be fixed with and fix at upper die base 7 top, can prevent like this that panel from rocking when the punching press, influence the product quality after the punching press, and after the punching press, when hydraulic press subassembly 5 drove cope match-plate pattern 6 rebound, cope match-plate pattern 6 can drive upper die base 7 and keep away from die cavity 11, and at this moment the first spring 17 release elasticity of stop device 9, make limiting plate 18 continue to hug closely on the panel surface, can prevent that the panel after the punching press from pasting on upper die base 7, make things convenient for the stamping die drawing of patterns.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. Sheet material stamping die of frame before liquid crystal display backplate, including workstation (1), support column (2), guide arm (3), fixed plate (4), hydraulic press subassembly (5), cope match-plate pattern (6), upper die base (7), drift (8), stop device (9), die holder (10), die cavity (11), guide way (12) and drawing of patterns subassembly (13), its characterized in that: the die comprises a workbench (1), supporting columns (2) are fixed at four corners of the bottom of the workbench (1), guide rods (3) are fixed at four corners of the top of the workbench (1), fixing plates (4) are fixedly welded at the tops of the guide rods (3), a hydraulic press assembly (5) is fixed in the middle of the bottom of each fixing plate (4), an upper die plate (6) is fixed at the output end of each hydraulic press assembly (5), four upper die plates (6) are provided with through holes, the guide rods (3) are connected in the through holes in a sliding mode, an upper die base (7) is fixed in the middle of the bottom of each upper die plate (6), limiting devices (9) are arranged at four corners of the bottom of each upper die plate (6) and positioned outside the upper die base (7), punches (8) are fixed at the bottom of each upper die base (7), a lower die base (10) is fixed at the top of the workbench (1) and positioned, the bottom of the die cavity (11) is provided with a guide groove (12) matched with the punch (8), and the bottom of the die cavity (11) is equidistantly provided with a demoulding assembly (13).
2. The sheet metal stamping die of the front frame of the liquid crystal display back plate of claim 1, wherein: stop device (9) include piston rod (14), cylinder body (15), connecting plate (16), first spring (17) and limiting plate (18), piston rod (14) top and cope match-plate pattern (6) bottom fixed connection, piston rod (14) bottom is passed cylinder body (15) top and is located inside cylinder body (15), and piston rod (14) and cylinder body (15) sliding connection, the one end that piston rod (14) are located inside cylinder body (15) is fixed with connecting plate (16), connecting plate (16) bottom is fixed with first spring (17), and the other end of first spring (17) and cylinder body (15) inner wall fixed connection, cylinder body (15) bottom is through welded fixed connection limiting plate (18).
3. The sheet metal stamping die of the front frame of the liquid crystal display back plate of claim 1, wherein: drawing of patterns subassembly (13) include spacing groove (19), discharge arm (20) and second spring (21), die cavity (11) bottom equidistance is equipped with spacing groove (19), sliding connection has discharge arm (20) in spacing groove (19), discharge arm (20) bottom is fixed with second spring (21), one section and spacing groove (19) inner wall fixed connection of discharge arm (20) are kept away from in second spring (21).
4. The sheet metal stamping die of the front frame of the liquid crystal display back plate of claim 2, wherein: the elastic coefficient of the first spring (17) is greater than the elastic coefficient of the second spring (21).
5. The sheet metal stamping die of the front frame of the liquid crystal display back plate of claim 2, wherein: lubricating oil is smeared on the inner wall of the cylinder body (15) and the outer side of the connecting plate (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922149083.1U CN211515727U (en) | 2019-12-04 | 2019-12-04 | Sheet stamping die of liquid crystal display backboard front frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922149083.1U CN211515727U (en) | 2019-12-04 | 2019-12-04 | Sheet stamping die of liquid crystal display backboard front frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211515727U true CN211515727U (en) | 2020-09-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922149083.1U Expired - Fee Related CN211515727U (en) | 2019-12-04 | 2019-12-04 | Sheet stamping die of liquid crystal display backboard front frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211515727U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116967334A (en) * | 2023-09-22 | 2023-10-31 | 华达汽车科技股份有限公司 | Stamping die of inner plate of automobile fuel tank cap |
-
2019
- 2019-12-04 CN CN201922149083.1U patent/CN211515727U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116967334A (en) * | 2023-09-22 | 2023-10-31 | 华达汽车科技股份有限公司 | Stamping die of inner plate of automobile fuel tank cap |
| CN116967334B (en) * | 2023-09-22 | 2023-12-15 | 华达汽车科技股份有限公司 | Stamping die of inner plate of automobile fuel tank cap |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200918 |