CN104475561B - Light-emitting diode display backboard groove shaping mould - Google Patents
Light-emitting diode display backboard groove shaping mould Download PDFInfo
- Publication number
- CN104475561B CN104475561B CN201410637952.4A CN201410637952A CN104475561B CN 104475561 B CN104475561 B CN 104475561B CN 201410637952 A CN201410637952 A CN 201410637952A CN 104475561 B CN104475561 B CN 104475561B
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- Prior art keywords
- adjustment
- shaping
- punch
- screw
- mould
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or tools
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention discloses a kind of light-emitting diode display backboard groove shaping moulds, including upper mold seat (21) and the shaping adjustment section (3) being arranged below upper mold seat (21), shaping adjustment section (3) includes adjustment screw (31), oblique mould (32) and adjustment punch (33), adjustment screw (31) is horizontally installed on the lower face of upper mold seat (21) by screw fixed block (34), it adjusts punch (33) and adjustment screw (31) is perpendicular, oblique mould (32) is arranged on the end of adjustment screw (31) by ball idler wheel (35), the left end of ball idler wheel (35) is fixedly connected with the end of adjustment screw (31), the right end of ball idler wheel (35) is arranged in oblique mould (32) and can produce relative rotation with oblique mould (32).Active force is supplied directly to oblique mould by adjustment screw in a linear fashion, and oblique mould controls adjustment punch movement again, and it is accurate to have the advantages that power transmits stable, oblique mould movement.
Description
Technical field
The present invention relates to a kind of mould structure technical field more particularly to a kind of light-emitting diode display backboard groove shaping moulds.
Background technology
Light-emitting diode display (either LCD display) is a kind of flat panel display equipment LED (or LCD display) display
In structure, shell is LED (LCD) display module (PCB PANEL printed wiring board, the reflective paillons of SHEET for closely encasing core
Deng) important component.Since LED (LCD) display panel will not shine in itself, need to set lamp luminescence, institute behind it
The effect of fixed LED (LCD) display module is not only acted as with backboard, it is also necessary to provide reflection to the fluorescent tube in slot to carry
High fluorescent tube illuminates effect.The backboard of fixed liquid crystal display panel is generally used for, using the component of metal framework, and is connected outer
The housing in portion, it may be said that be liquid crystal display " skeleton ", there are the details such as hole, grab, protrusion, groove on backboard, these are thin
Section is all that punch process is realized.Particularly this groove, as shown in Figure 1, needing to turn down inwardly on one side by backboard housing
13rd, 14 altogether twice after 90 degree, and the trilateral rectangular space of tool surrounded, which can accommodate fluorescent tube；The backlight of LED (LCD)
Fluorescent tube is located in slot, so the size of this slot, angle is critically important, is the guarantee that can display have fine reflecting effect.
We are commonly called as " it is wide to enter light " to the size of this rectangular channel, since " it is wide to enter light " size Jing Guo bending twice is extremely unstable
Fixed, product has fluorescent tube to have scuffing after fluorescent tube is sometimes not placed into or puts in.Subsequent artefacts need to adjust by hand when remaking industry
Whole product size, this mode scrappage is very high, and product and attachment waste are larger.
In a Chinese invention patent document of CN101920290A, a kind of punching press of fine-tuning mold and punching head is disclosed
Mold, including upper and lower die holder, being fixedly connected sequentially on the upper mold seat seat has a upper padding plate and a upper clamp plate, and be flexibly connected
Plate is taken off on one baffle plate and one；The die holder is fixedly connected with a lower clamp plate, and is flexibly connected baffle plate and once takes off
Plate；The upper clamp plate is also fixedly connected with a drive block and a punch, and described punch one end is inserted in upper clamp plate, and the end is set
One first inclined surface ... is equipped with, preferably, further including crushing block, described crushing block one end is inserted in the upper padding plate, and should
End is additionally provided with the second inclined surface that can coordinate above-mentioned first inclined surface, which is then socketed on the stud of the screw
On, which is bolted in lower clamp plate side, and described first elastic element one end contacts at lower clamp plate side, and the other end then contacts at
On the crushing block.If the punch volume under pressure is excessive or the thickness of product is slightly larger, the punch is caused to enter sub- cooperation journey with shaping
When spending big, you can by reducing degree that the screw is bolted in the clamping plate so that the punch bounces back, and then reduces the punch
Volume under pressure；If alternatively, the thickness of punch volume under pressure deficiency or product is slightly smaller, leads to punch and enter the degree of sub- cooperation not
It is enough, you can by increasing degree that the screw is bolted in the clamping plate so that the punch extends, and then increases the pushing of the punch
Amount.
In this part of patent document, one end of crushing block is socketed on the stud of screw, and as shown in attached drawing, is squeezed
The lateral section of block is L-shape.When need to extend punch, first to upper padding plate inside turn screw, stud passes through the active force
L-shape crushing block passes to punch.In the step, due to the active force that screw applies being passed by L-shape crushing block
It passs, this, which just brings, transmits the problem of unstable.Although crushing block is to provide stability to it using spring as the first elastic element
Can, but elastic element is easy to follow the string after long-term use, and such stamping products are inaccurate, product quality it is poor and
It need to repeatedly replace.
Invention content
To overcome disadvantages mentioned above, the purpose of the present invention is to provide one kind effectively can control and adjust " it is wide to enter light " size
And the stable and accurate light-emitting diode display backboard groove shaping mould of punch movement in reforming process.
In order to reach object above, the technical solution adopted by the present invention is：A kind of light-emitting diode display backboard groove sizing die
Tool, for the groove bending edges of punching press shaping light-emitting diode display backboard, including upper mold seat and the shaping being arranged below upper mold seat
Adjustment section, the shaping adjustment section include adjustment screw, oblique mould and adjustment punch, and the adjustment screw passes through screw fixed block
The lower face of upper mold seat is horizontally installed on, the adjustment punch and adjustment screw are perpendicular, and the oblique mould is set by ball idler wheel
It puts in the end of adjustment screw, the left end of the ball idler wheel is fixedly connected with adjustment screw end, the right side of the ball idler wheel
End is arranged in oblique mould and can produce relative rotation with oblique mould, and the lower surface of the oblique mould is provided with first slope face, the tune
The upper surface of whole punch is provided with the second slope that can coordinate first slope face, the lower surface of the adjustment punch be provided with
To the third slope of bending groove bending edges, hanging platform is provided on the side wall of the adjustment punch, is set below the hanging platform
Spring is equipped with, the spring is in compressive state, and the second slope for ensureing adjustment punch can be with the first slope face of oblique mould
It is in close contact.Compared with prior art, oblique mould is directly anchored to the end of adjustment screw by ball idler wheel, indirectly, tiltedly
Mould is the end for being directly anchored to adjustment screw, and active force is supplied directly to oblique mould, oblique mould by adjustment screw in a linear fashion
Adjustment punch is controlled to carry out punching press shaping to groove bending edges again, without driving punch by L-shape crushing block, is had
The advantages of stability of the transmission of power is good, the movement of oblique mould is accurate.
Preferably, the side of the oblique mould is provided with card slot, and the right end of the ball idler wheel is arranged in card slot, positioned at card
A circle groove is provided on the periphery wall of ball idler wheel in slot, connecting rod is provided in the card slot, the connecting rod card is set
In groove.Connecting rod is act as：First, connecting ball idler wheel by the cooperation with groove, then realize that connection is adjusted
Screw, after rotation adjusts screw, adjustment screw can move left and right, and guarantee that oblique mould is driven to move left and right together；Two ensure
During rotation adjustment screw, oblique mould is not driven to rotate, adjusting can be smoothed out.Ball idler wheel can effectively prevent adjustment screw positioning,
It is more accurate to adjust position, and can easily be accommodated.
No longer to be moved after regulating adjustment screw in order to prevent as a further improvement on the present invention, then the adjustment
Fixed feed screw nut is provided on screw.After by the position of adjusting adjustment screw, size adjusting is got well, then the screw that is tightened
Fixation can be realized in nut, prevents adjustment screw positioning.
Preferably, the first slope face, the second slope angle be respectively 8 °.
Preferably, the angle of the third slope is 9 °.
Preferably, the shaping adjustment section is provided with multigroup, and multigroup shaping adjustment section is arranged along groove bending edges interval
It arranges, the spacing distance between every two groups of adjacent shaping adjustment sections is 20-30mm.Since display backplane groove is long, adjust
Whole punch can not possibly make a big strip, it is necessary to which, according to the length dimension to be adjusted, mean allocation is into several sections.
Preferably, the width of the adjustment punch is equal with the width of oblique mould.
Description of the drawings
Fig. 1 is that the bending part groove of display backplane in the prior art illustrates enlarged drawing；
Fig. 2 is the structure diagram of light-emitting diode display backboard in the present embodiment；
Fig. 3 is that one of which shaping adjustment section is fixed at the structure diagram below upper mold seat in the present embodiment；
Fig. 4 is the structure diagram of one of which shaping adjustment section in the present embodiment；
Fig. 5 is the partial enlarged view at A in Fig. 4；
Fig. 6 is the bottom view of Fig. 4；
Fig. 7 is the local structural graph that the present embodiment does not carry out groove bending edges bending work；
Fig. 8 is that the present embodiment carries out groove bending edges the local structural graph after bending work.
In figure：
1-LED display backplanes；11- groove bending edges；
21- upper mold seats；211- upper padding plates；212- upper clamp plates；Backing plate is taken off on 213-；Plate is taken off on 214-；
22- die holders；221- lower mold backing plates；222- lower templates；
3- shaping adjustment sections；31- adjusts screw；The oblique moulds of 32-；321- first slopes face；322- card slots；33- adjusts punch；
The second slopes of 331-；332- third slopes；333- hanging platforms；34- screw fixed blocks；35- ball idler wheels；351- fixes screw
Screw；352- connecting rods；353- grooves；36- springs；37- fixes feed screw nut.
Specific embodiment
The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, so as to make a clearer definition of the protection scope of the present invention.
Referring to shown in attached drawing 1-8, a kind of light-emitting diode display backboard groove shaping mould in the present embodiment is whole for punching press
The groove bending edges 11 of shape light-emitting diode display backboard 1, including upper mold seat 21 and the shaping adjustment section being arranged below upper mold seat 21
3, it is horizontal by screw fixed block 34 that shaping adjustment section 3 includes adjustment screw 31, oblique mould 32 and adjustment punch 33, adjustment screw 31
To the lower face for being arranged on upper mold seat 21, adjustment punch 33 and adjustment screw 31 are perpendicular, and oblique mould 32 is set by ball idler wheel 35
It puts in the end of adjustment screw 31, the left end of ball idler wheel 35 is fixedly connected with adjusting the end of screw 31, is rolled in the present embodiment
The left end of pearl idler wheel 35 is set in the end of adjustment screw 31 and is achieved a fixed connection by several fixation screw screws 351,
The right end of ball idler wheel 35 is arranged in oblique mould 32 and can produce relative rotation with oblique mould 32, and the lower surface of oblique mould 32 is provided with the
One slope 321, the upper surface of adjustment punch 33 are provided with the second slope 331 that can coordinate first slope face 321, adjustment punching
First 33 lower surface is provided with and the third slope 332 to bending groove bending edges 11, adjusts and is set on the side wall of punch 33
Hanging platform 333 is equipped with, 333 lower section of hanging platform is provided with spring 36, and spring 36 is in compressive state.Adjustment punch 33 need to be adjusted to roll over groove
Crimp 11 in-between apart from when, turn adjustment screw 31, adjustment screw 31 move left and right, as shown in Figure 3,4, when adjustment silk
When bar 31 moves to left, first slope face 321 is detached with the second slope 331, but the pressure being subject to due to adjusting 33 upper surface of punch
Power reduces, and 36 elastic force of spring effect adjustment punch 33 is moved up and contacted again with oblique mould 32, at this point, adjustment 33 lower face of punch with it is recessed
In-between in larger distance of slot bending edges 11；When adjustment screw 31 moves to right, first slope face 321 presses to the second slope
331, the pressure that 33 upper surface of adjustment punch is subject to subtracts greatly, and adjustment punch 33 moves down, at this point, adjustment punch 33 and groove bending edges
11 in-between in small distance, it is easy to adjust.
The right end of ball idler wheel 35 is arranged on the concrete structure that can be produced relative rotation in oblique mould 32 and with oblique mould 32：Tiltedly
The side of mould 32 is provided with card slot 322, and the right end of ball idler wheel 35 is arranged in card slot 322, the ball rolling in card slot 322
A circle groove 353 is provided on the periphery wall of wheel 35, connecting rod 352 is provided in card slot 322, connecting rod 352 is fastened on groove
In 353.When adjustment screw 31 moves to left, the left end of ball idler wheel 35 is fixedly connected with adjusting the end of screw 31, so adjustment silk
Bar 31 can drive ball idler wheel 35 to move to left, since connecting rod 352 is fastened in the groove 353 of ball idler wheel 35, so ball rolls
Wheel 35 can drive oblique mould 32 to move to left, and ball idler wheel 35 is used to implement adjustment screw 31 and drives oblique mould 32, further, since being rolled in ball
It takes turns and a circle groove 353 is provided on 35 periphery walls, can guarantee that adjustment screw 31 can relatively rotate with oblique mould 32, i.e., in turn
When adjusting screw 31, oblique mould 32 will not rotate with it, and can effectively prevent adjustment 31 positioning of screw, and cause the tune of adjustment screw 31
It saves more convenient.
In order to further ensure adjustment screw 31 adjust distance after will not positioning, then adjust and be provided with fixation on screw 31
Feed screw nut 37.After adjustment screw 31 is threaded to required position, then the feed screw nut 37 that is tightened screws.
In the present embodiment, the 33 shape design of adjustment punch is particularly critical, as shown in figure 3, first slope face 321, second is oblique
The angle [alpha] 1 of slope surface 331 is respectively 8 °；As shown in figure 4, the angle [alpha] 2 of third slope 332 is 9 °.
Wherein, shaping adjustment section 3 is provided with multigroup, and multigroup shaping adjustment section 3 is alternatively arranged along groove bending edges 11, per phase
Spacing distance between two groups of adjacent shaping adjustment sections 3 is 20-30mm.
The width for adjusting punch 33 is equal with the width of oblique mould 32.Each section of adjustment punch 33 is by corresponding oblique mould 32 and adjusts
Whole screw 31 and the connection interaction of ball idler wheel 35.
With identical in the prior art, which includes upper mold seat 21 and die holder 22, the lower face of upper mold seat 21 from
Be disposed with upper padding plate 211, upper clamp plate 212, upper de- backing plate 213, upper de- plate 214 under, the upper surface of die holder 22 from
Under the supreme top for being disposed with lower mold backing plate 221, lower template 222, upper mold seat 21 being fixed on to machine first, die holder 22
It is fixed on machinery bed, the adjustment screw 31 in the present embodiment is arranged in upper padding plate 211, and adjustment punch 33 extends vertically through
Clamping plate 212, upper de- backing plate 213, upper de- plate 214.During work, the display backplane 1 that preceding process completes is placed on lower die
It is in the lower template 222 of seat 22 and fixed, at this point, the oblique mould 32 in shaping adjustment section 3 is detached with adjustment punch 33 and is not contacted；Upper mold
21 downlinks of seat, upper de- plate 214 contact product face, upper mold seat 21 first continue traveling downwardly, and oblique mould 32 contacts generation with adjustment punch 33
Movement, so as to carry out shaping to the groove bending edges 11 of product.During die sinking, product " it is wide to enter light " size adjusting in place, manipulator
Arm takes out product, smoothly into the next step.
The technical concepts and features of embodiment of above only to illustrate the invention, its object is to allow be familiar with technique
People understands present disclosure and is implemented, and it is not intended to limit the scope of the present invention, all according to spirit of the invention
The equivalent change or modification that essence is done should all cover within the scope of the present invention.
Claims (5)
1. a kind of light-emitting diode display backboard groove shaping mould, for the groove bending edges of punching press shaping light-emitting diode display backboard (1)
(11), including upper mold seat (21) and the shaping adjustment section (3) being arranged below upper mold seat (21), the shaping adjustment section (3)
Including adjustment screw (31), oblique mould (32) and adjustment punch (33), the adjustment screw (31) passes through screw fixed block (34)
The lower face of upper mold seat (21) is horizontally installed on, the adjustment punch (33) and adjustment screw (31) are perpendicular, it is characterised in that：
The oblique mould (32) by ball idler wheel (35) be arranged on adjustment screw (31) end, the left end of the ball idler wheel (35) with
The end of adjustment screw (31) is fixedly connected, and the right end of the ball idler wheel (35) is arranged in oblique mould (32) and can be with oblique mould
(32) it produces relative rotation, the lower surface of the oblique mould (32) is provided with first slope face (321), the adjustment punch (33)
Upper surface is provided with the second slope (331) that can coordinate first slope face (321), and the lower surface of the adjustment punch (33) is set
The third slope (332) to bending groove bending edges (11) is equipped with, extension is provided on the side wall of the adjustment punch (33)
Platform (333), hanging platform (333) lower section are provided with spring (36), and the spring (36) is in compressive state, the first slope face
(321), the angle of the second slope (331) is respectively 8 °, and the angle of the third slope (332) is 9 °.
2. light-emitting diode display backboard groove shaping mould according to claim 1, it is characterised in that：The oblique mould (32)
Side is provided with card slot (322), and the right end of the ball idler wheel (35) is arranged in card slot (322), in card slot (322)
A circle groove (353) is provided on the periphery wall of ball idler wheel (35), connecting rod (352), institute are provided in the card slot (322)
Connecting rod (352) is stated to be fastened in groove (353).
3. light-emitting diode display backboard groove shaping mould according to claim 2, it is characterised in that：The adjustment screw
(31) fixed feed screw nut (37) is provided on.
4. the light-emitting diode display backboard groove shaping mould according to claim 1-3 any one, it is characterised in that：It is described
Shaping adjustment section (3) is provided with multigroup, and multigroup shaping adjustment section (3) is alternatively arranged along groove bending edges (11), per adjacent two
Spacing distance between group shaping adjustment section (3) is 20-30mm.
5. light-emitting diode display backboard groove shaping mould according to claim 1, it is characterised in that：The adjustment punch
(33) width is equal with the width of oblique mould (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410637952.4A CN104475561B (en) | 2014-11-12 | 2014-11-12 | Light-emitting diode display backboard groove shaping mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410637952.4A CN104475561B (en) | 2014-11-12 | 2014-11-12 | Light-emitting diode display backboard groove shaping mould |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104475561A CN104475561A (en) | 2015-04-01 |
| CN104475561B true CN104475561B (en) | 2018-06-12 |
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ID=52750238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410637952.4A Active CN104475561B (en) | 2014-11-12 | 2014-11-12 | Light-emitting diode display backboard groove shaping mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104475561B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105834301A (en) * | 2016-04-20 | 2016-08-10 | 昆山集鑫成精密模具有限公司 | Television front frame four-window hole deburring shaping die |
| CN108380753B (en) * | 2018-04-03 | 2023-05-09 | 浙江炜驰机械集团股份有限公司 | Disposable twice flanging takes compound die of structure of punching a hole of side |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2014604A1 (en) * | 1970-03-26 | 1971-10-14 | Rovema Verpackungsmaschinen Gmbh & Co Kg, 6300 Giessen | Varying the pressure during drawing of dish- |
| JPH0515381Y2 (en) * | 1988-06-10 | 1993-04-22 | ||
| CN101920290A (en) * | 2010-03-25 | 2010-12-22 | 昆山凯意工模具配套有限公司 | Punching die with finely-adjustable punch head |
| CN201783560U (en) * | 2010-09-10 | 2011-04-06 | 富港电子（东莞）有限公司 | Material band stamping die |
| CN203875223U (en) * | 2013-09-05 | 2014-10-15 | 亿和精密金属制品(深圳)有限公司 | In-mould vertical fine-regulating device |
| CN203610526U (en) * | 2013-12-10 | 2014-05-28 | 无锡微研有限公司 | Height adjusting mechanism of parallel flow fin fixed-fin-pitch bending portions |
| CN204320934U (en) * | 2014-11-12 | 2015-05-13 | 江苏凡润电子有限公司 | Light-emitting diode display backboard groove shaping mould |
-
2014
- 2014-11-12 CN CN201410637952.4A patent/CN104475561B/en active Active
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| CN104475561A (en) | 2015-04-01 |
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