CN101716624A - Method for punching arc-shaped surface or inclined surface of television rear shell and punching die - Google Patents
Method for punching arc-shaped surface or inclined surface of television rear shell and punching die Download PDFInfo
- Publication number
- CN101716624A CN101716624A CN200910230355A CN200910230355A CN101716624A CN 101716624 A CN101716624 A CN 101716624A CN 200910230355 A CN200910230355 A CN 200910230355A CN 200910230355 A CN200910230355 A CN 200910230355A CN 101716624 A CN101716624 A CN 101716624A
- Authority
- CN
- China
- Prior art keywords
- rear shell
- drift
- punching
- television rear
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
The invention discloses a method for punching an arc-shaped surface or an inclined surface of a television rear shell, comprising the processes of punching, stretching, and the like and comprising the steps of first performing stretch forming on blank of the television rear shell; and then, punching the arc-shaped surface or the inclined surface of the television rear shell. The invention also discloses a punching die of the arc-shaped surface or the inclined surface of the television rear shell, comprising an upper die and a lower die. Punching heads which correspond to holes in the quantity and the positions of holes, which are required for punching on the arc-shaped surface or the inclined surface of the television rear shell, are installed on the upper die; and the lower die fixes the television rear shell and contains the punching heads which pass through the television rear shell. With the punching method for first stretching and then punching and the punching die, the wrinkling of the punched television rear shell can be eliminated, and the disadvantages of oval irregular shape stretched from round heat radiating holes, poor appearance and heat radiating effect, high defective rate, and the like can be overcome.
Description
Technical field
The present invention relates to the television set tv shell, especially relate to the hole-punching method and the punching die on television rear shell arcwall face or inclined-plane.
Background technology
Television set is a kind of household electrical appliance that people often use in the life now, and along with development of science and technology and progress, from before CRT kinescope TV, back projection TV, the LED TV that develops into present LCD LCD TV, PDP plasm TV and just put on market, and the energy-saving and environmental protection that to be exactly existing market in vogue of LCD/PDP/LED TV, ultra-thin, flat panel TV clearly, annual output is all significantly increasing severely.The dynamic effect of PDP TV is good, for liking watching nemo crowd's first-selection; LCD belongs to similar with LED, but more energy-saving and environmental protection of the latter, ultra-thin, clear, the former will progressively be replaced by the latter on the market.The back cover of LCD TV is a working of plastics, and the back cover of PDP and LED is that steel part forms through the processing of processing rear surface.The shape of back cover is along with the aesthetic requirement of outward appearance and the requirement of the function of television set own, all make the arcwall face or the inclined design of fairing slyness, and for the heat that the internal work part is produced leaves in time to guarantee the part operate as normal, television rear shell arcwall face or inclined-plane all are provided with a lot of louvres.In the past, the processing technology of television rear shell arcwall face or inclined-plane louvre was all taked the flow process of first punching after-drawing, and the back shell product that this mode processes very easily causes: wrinkling, the debug difficulties in (1) television set four bights; (2) back cover processing percent defective higher (about 3%); (3) circular louvre is drawn as oval irregularly shapedly, causes that presentation quality is poor, radiating effect is bad, sound articulation is received influence.Numerous enterprises is never effectively broken through this problem and is improved at present.
Summary of the invention
The technical problem to be solved in the present invention is: the defective in the first punching after-drawing technology on solution conventional television back cover arcwall face or inclined-plane, promptly back cover four bights crease easily, appearance poor, the shortcoming that percent defective is high.
For achieving the above object, the invention provides the hole-punching method on a kind of television rear shell arcwall face or inclined-plane, comprise technologies such as stretching, punching, the stock to television rear shell carries out drawing and forming earlier, and then the hole on television rear shell arcwall face or the inclined-plane is processed.Adopt the technology of the back punching that stretches earlier on television rear shell arcwall face or inclined-plane, the defective of traditional first punching after-drawing has not just had naturally yet.
Need the punching part perpendicular with drift to greatest extent on described television rear shell arcwall face or the inclined-plane.The hole of going out like this is circular substantially, and the punching cutting output is few, and presentation quality is good.
The present invention also provides the punching die on a kind of television rear shell arcwall face or inclined-plane, comprise upper die and lower die, patrix be equipped with television rear shell arcwall face or inclined-plane on need the corresponding drift of quantity and position in the hole that dashes, counterdie fixed television back cover and holding is received the drift 2 that passes television rear shell; Wherein patrix comprises drift backing plate 3, drift fixed head 4, moves back part plate 5, drift backing plate 3, the 4 removable fixed installations of drift fixed head, move back part plate 5 and place drift fixed head 4 bottoms, the rear end of drift backing plate 3 punch support, the drift fixed head has the through hole that holds drift and fixing drift, moving back part plate 5 has the through hole that drift is passed through, and the drift fixed head is connected with the through hole that moves back part plate 5 and is corresponding with the quantity and the position of drift; Wherein counterdie comprises die 6, alignment pin 7, part location-plate 9, die supports television rear shell arcwall face or chamfered portion, and have to hold and receive the through hole of the drift that passes television rear shell, the quantity of through hole is corresponding with the quantity and the position of drift with the position, part location-plate 9 supports the planar section of television rear shells, and alignment pin 7 is installed on the part location-plate 9 and is corresponding with the locating hole on the television rear shell.Realized that like this television rear shell is fixing obliquely, especially the arcwall face of punching end or chamfered portion are able to stable location, and drift can dash down accurately, and the hole on arcwall face or the inclined-plane can once be filled.
Described drift fixed head 4 tops are provided with deep gouge and are used for fixing the drift that has countersunk head 2.Be convenient to the replacing of drift and fixing like this.
The described diameter of through hole on part plate 5 and the die 6 that moves back is than the big 0.01～0.02mm of drift.Can make the through hole that moves back on part plate 5 and the die 6 play the effect of guiding like this, can make drift Xia Chong and return and remove smoothly again.
Described part plate 5 and the die 6 of moving back respectively is provided with the interior guiding that makes corresponding through hole alignment.The through hole that moves back correspondence on part plate 5 and the die 6 can accurately be alignd, strengthened the stability of punching action.
The line of two stomidium A, the B of the arc of adjustment back cover arcwall face or the oblique line on inclined-plane is a level, and the angle of television rear shell and level is determined part location-plate 9 and horizontal angle according to this moment.Make drift realize vertical punching to greatest extent like this, the hole of going out like this is circular substantially, and the punching cutting output is few, and presentation quality is good.
The punching die on above-mentioned television rear shell arcwall face or inclined-plane has been realized the technological requirement with punching behind the first drawing and forming of television rear shell, back cover wrinkling in the first punching after-drawing technology can not appear, especially four of back cover jiaos, do not exist tensile pressures in the first punching after-drawing technology to make the hole by drawing crack or draw the problem of distortion too greatly yet, percent defective is reduced to below 1% by 3% before improving, the presentation quality of back cover improves greatly, the radiating effect of television set and the definition of sound also are improved, and have reduced production cost.。
Description of drawings
Fig. 1 is the schematic diagram that needs the television rear shell of machining hole;
Fig. 2 is the enlarged drawing in hole on the television rear shell arcwall face that needs processing or the inclined-plane;
Fig. 3 is the punching die installation diagram on television rear shell arcwall face or inclined-plane;
Fig. 4 is the punching schematic diagram on television rear shell arcwall face or inclined-plane.
Wherein: 1, cope match-plate pattern 2, drift 3, drift backing plate 4, drift fixed head 5, move back hole 16, hole A 17, hole B on part plate 6, die 7, alignment pin 8, lower bolster 9, part location-plate 10, screw 11, location-plate gripper shoe 12, the plate 13 that is located by connecting, counterdie gripper shoe 14, television rear shell 15, television rear shell cambered surface or the inclined-plane
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing.
The arcwall face of television rear shell of the present invention or the hole-punching method on inclined-plane are achieved in that at first the back cover stock of shearing are carried out punching stretch, go out the circular louvre on arcwall face on the back cover or the inclined-plane then, during punching, two stomidium A of the arc of back cover arcwall face or the oblique line on inclined-plane and the line of B are horizontal line, back cover plane and horizontal line just have an angle, generally get 20 °～35 ° angles, basically punching under plumbness during the drift punching like this, the hole outward appearance of going out is good, and the back cover shape keeps; The position of drift is corresponding with the position and the quantity of circular louvre with quantity, can realize one time punching molded.
For realizing the hole-punching method on above-mentioned television rear shell 14 arcwall faces or inclined-plane, need following punching die, as shown in the figure, patrix is by cope match-plate pattern 1, drift 2, drift backing plate 3, drift fixed head 4, moving back part plate 5 parts such as grade forms, cope match-plate pattern 1, drift backing plate 3, drift fixed head 4 passes through bolting from top to bottom successively, move back part plate 5 and place the bottom of drift fixed head, the rear end of drift backing plate punch support, drift fixed head 4 has the through hole that holds drift 2 and fixing drift 2, moving back part plate 5 has the through hole that drift 2 is passed through, and drift fixed head 4 is connected with the through hole that moves back part plate 5 and is corresponding with the quantity and the position of drift 2; Counterdie is by die 6, alignment pin 7, lower bolster 8, part location-plate 9, screw 10, location-plate gripper shoe 11, plate 12 is located by connecting, counterdie gripper shoe 13 parts such as grade are formed, die, lower bolster, the counterdie gripper shoe is fixed installation successively from top to bottom, side in the counterdie gripper shoe is upwards installed the plate 12 that is located by connecting successively by screw 10, location-plate gripper shoe 11, part location-plate 9, part location-plate 9 is provided with and the corresponding alignment pin 7 of television rear shell locating hole, part location-plate 9 tilts to place and support the planar section of television rear shell, 20 °～35 ° angles are generally got at its angle of inclination, definite mode of its angle is: making the arcwall face of television rear shell or two hole A of bevel edge and the line of hole B during punching is horizontal line, and part location-plate 9 promptly is this angle with horizontal angle like this; Drift fixed head 4, moving back part plate 5 and die 6, all to be provided with the Kong Bingyu drift that passes through for drift corresponding consistent, the quantity in hole and position are determined according to the quantity and the position in hole 15 on television rear shell arcwall face or the inclined-plane, the size of moving back part plate 5 and die 6 holes adds 0.01～0.02mm by the drift size, and it is corresponding with the structure of die 6 to move back part plate 5, and between is provided with 2～3 groups of guiding, can be the structure of alignment pin and locating hole, to guarantee the stability of its work; Drift fixed head top is provided with deep gouge and is used for fixing the drift that has countersunk head.
The using method of the punching die on television rear shell arcwall face or inclined-plane is as follows: making the two stomidium A of oblique line on the arc of television rear shell arcwall face or inclined-plane and the line of B is level, adjust the angle of inclination of positioning supports plate 11 and part location-plate 9, make part location-plate 9 support the planar section of television rear shell, alignment pin on the part location-plate 9 penetrates the locating hole of television rear shell, the arcwall face or inclined-plane one end of the need perforation of television rear shell are enclosed within on the die 6, moving back part plate (5) places on the arcwall face or inclined-plane of need perforation of television rear shell, dash under the patrix, drive under the drift and dash, drift is through moving back the hole on the part plate (5), go out the arcwall face of need perforation of television rear shell or the hole on the inclined-plane, after pour die 6, the perforation of television rear shell promptly forms; Patrix returns and removes then, drives drift and recalls, and moves back part plate 5 and will form the television rear shell of boring a hole and release from drift, takes off television rear shell; Dismounting drift fixed head can be changed drift.
To television rear shell arcwall face or inclined-plane owing to taked the processing technology of the first back punching that stretches, back cover wrinkling in the first punching after-drawing technology can not appear, especially four of back cover jiaos, do not exist tensile pressures in the first punching after-drawing technology to make the hole by drawing crack or draw the problem of distortion too greatly yet, percent defective is reduced to below 1% by 3% before improving, the presentation quality of back cover improves greatly, and the radiating effect of television set and the definition of sound also are improved, and have reduced production cost.
Claims (8)
1. the hole-punching method on television rear shell arcwall face or inclined-plane comprises technologies such as punching, stretching, it is characterized in that: the stock to television rear shell stretches earlier, and then television rear shell shell arcwall face or inclined-plane are carried out punching.
2. television rear shell hole-punching method according to claim 1 is characterized in that: need the punching part perpendicular with drift to greatest extent on television rear shell arcwall face or the inclined-plane.
3. television rear shell hole-punching method according to claim 2 is characterized in that: during punching, two hole A (16) of the arcwall face of back cover or bevel edge, the line of hole B (17) are horizontal line.
4. the punching die on television rear shell arcwall face or inclined-plane, comprise upper die and lower die, it is characterized in that: patrix be equipped with television rear shell arcwall face or inclined-plane on need the corresponding drift of quantity and position in the hole that dashes, counterdie fixed television back cover and holding is received the drift (2) that passes television rear shell; Wherein patrix comprises drift backing plate (3), drift fixed head (4), moves back part plate (5), drift backing plate (3), the removable fixed installation of drift fixed head (4), move back part plate (5) and place drift fixed head (4) bottom, the rear end of drift backing plate (3) punch support (2), drift fixed head (4) has the through hole that holds drift (2) and fixing drift (2), moving back part plate (5) has the through hole that drift (2) is passed through, and drift fixed head (4) is connected with the through hole that moves back part plate (5) and is corresponding with the quantity and the position of drift (2); Wherein counterdie comprises die (6), alignment pin (7), part location-plate (9), die (6) supports television rear shell arcwall face or chamfered portion, and have to hold and receive the through hole of the drift (2) that passes television rear shell, the quantity of through hole is corresponding with the quantity and the position of drift (2) with the position, part location-plate (9) supports the planar section of television rear shell, and it is last and corresponding with the locating hole on the television rear shell that alignment pin (7) is installed in part location-plate (9).
5. the punching die on television rear shell arcwall face according to claim 4 or inclined-plane is characterized in that: described drift fixed head (4) top is provided with deep gouge and is used for fixing the drift that has countersunk head (2).
6. the punching die on television rear shell arcwall face according to claim 4 or inclined-plane is characterized in that: the described diameter of part plate (5) and the last through hole of die (6) that moves back is than the big 0.01～0.02mm of drift.
7. the punching die on television rear shell arcwall face according to claim 4 or inclined-plane is characterized in that: described part plate (5) and the die (6) of moving back respectively is provided with the interior guiding that makes corresponding through hole alignment.
8. the punching die on television rear shell arcwall face according to claim 4 or inclined-plane, it is characterized in that: the arcwall face of adjustment back cover or two hole A (16) of bevel edge, the line of hole B (17) are level, and the angle of television rear shell and level is determined part location-plate (9) and horizontal angle according to this moment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910230355A CN101716624A (en) | 2009-11-13 | 2009-11-13 | Method for punching arc-shaped surface or inclined surface of television rear shell and punching die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910230355A CN101716624A (en) | 2009-11-13 | 2009-11-13 | Method for punching arc-shaped surface or inclined surface of television rear shell and punching die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101716624A true CN101716624A (en) | 2010-06-02 |
Family
ID=42431315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910230355A Pending CN101716624A (en) | 2009-11-13 | 2009-11-13 | Method for punching arc-shaped surface or inclined surface of television rear shell and punching die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101716624A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102310143A (en) * | 2011-09-28 | 2012-01-11 | 苏州三维精密机械有限公司 | Machining process for rim charge settlement slot |
| CN103950064A (en) * | 2014-04-30 | 2014-07-30 | 昆山长运电子工业有限公司 | Punching die suitable for cambered holes |
| CN104869520A (en) * | 2015-03-16 | 2015-08-26 | 天津市日津科技有限公司 | Telephone receiver grid window and manufacturing method thereof |
| CN105583284A (en) * | 2016-03-14 | 2016-05-18 | 河南中帅金属制品有限公司 | Stamping and punching machine for iron pan |
| CN110788926A (en) * | 2019-12-04 | 2020-02-14 | 徐州飞梦电子科技有限公司 | Repeated-engraving positioning and punching device for irregular shell of electronic product |
-
2009
- 2009-11-13 CN CN200910230355A patent/CN101716624A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102310143A (en) * | 2011-09-28 | 2012-01-11 | 苏州三维精密机械有限公司 | Machining process for rim charge settlement slot |
| CN102310143B (en) * | 2011-09-28 | 2013-06-12 | 苏州三维精密机械有限公司 | Machining process for rim charge settlement slot |
| CN103950064A (en) * | 2014-04-30 | 2014-07-30 | 昆山长运电子工业有限公司 | Punching die suitable for cambered holes |
| CN104869520A (en) * | 2015-03-16 | 2015-08-26 | 天津市日津科技有限公司 | Telephone receiver grid window and manufacturing method thereof |
| CN104869520B (en) * | 2015-03-16 | 2018-02-27 | 天津市日津科技有限公司 | Earpiece screen window and its manufacture method |
| CN105583284A (en) * | 2016-03-14 | 2016-05-18 | 河南中帅金属制品有限公司 | Stamping and punching machine for iron pan |
| CN105583284B (en) * | 2016-03-14 | 2017-10-03 | 河南中帅金属制品有限公司 | A kind of iron pan perforating by punching machine |
| CN110788926A (en) * | 2019-12-04 | 2020-02-14 | 徐州飞梦电子科技有限公司 | Repeated-engraving positioning and punching device for irregular shell of electronic product |
| CN110788926B (en) * | 2019-12-04 | 2021-07-02 | 徐州飞梦电子科技有限公司 | Repeated-engraving positioning and punching device for irregular shell of electronic product |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101767147B (en) | Drawing and bending molding process and die of refrigerator backboard | |
| CN101716624A (en) | Method for punching arc-shaped surface or inclined surface of television rear shell and punching die | |
| CN202143922U (en) | Stamping die of rib-pressing middle bearing | |
| CN206763734U (en) | A kind of stamping top cover system | |
| CN106734402B (en) | A kind of fireproof valve body bending machine and fireproof valve body production line | |
| CN205110521U (en) | Breaking piece mould under pneumatic tool safety | |
| CN211615897U (en) | Panel trompil device suitable for furniture | |
| CN101875076B (en) | Pre-bending processing die of coiled round edge of television rear shell and pre-bending processing method by using same | |
| CN203076418U (en) | Packaging iron sheet punching die | |
| CN208991571U (en) | A kind of plain washer blanking and piercing with combination tool mold | |
| CN205110552U (en) | Prevent yawing force forming die | |
| CN208542845U (en) | A kind of stamping die for the processing of LCD TV metal edge frame | |
| CN208743487U (en) | Reinforce the multi-functional automatic forming die of iron before and after rotary drum washing machine | |
| CN106734600B (en) | A kind of appliance contact bearing punching press multi-station progressive die and blank operation | |
| CN210533459U (en) | Novel gas table rocking arm | |
| CN200954529Y (en) | Flatcar shuttle-hub grade mould | |
| CN204710930U (en) | Stamping die sized flap wheel ring cutting mould | |
| CN101716623A (en) | Casing elevation punching one-step moulding method and mould thereof | |
| CN203409072U (en) | Soft film stamping die | |
| CN201603799U (en) | Die for one-step perforation of casing vertical faces | |
| CN208991594U (en) | A kind of bright wisp flanging die | |
| CN206356414U (en) | A kind of fireproof valve body bending machine and fireproof valve body production line | |
| CN206763723U (en) | One kind collection straw bag support left rotary shaft support stamping system | |
| CN211413309U (en) | Multifunctional stamping die | |
| CN201791809U (en) | Rotating shaft type turnover crimping machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20100602 |