CN105328829A - Ball grid array (BGA) molding mold - Google Patents
Ball grid array (BGA) molding mold Download PDFInfo
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- CN105328829A CN105328829A CN201510778515.9A CN201510778515A CN105328829A CN 105328829 A CN105328829 A CN 105328829A CN 201510778515 A CN201510778515 A CN 201510778515A CN 105328829 A CN105328829 A CN 105328829A
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Abstract
The invention discloses a ball grid array (BGA) molding mold. The BGA molding mold comprises a mold seat. A plurality of charging barrels are longitudinally and evenly distributed in the middle of the mold seat. Mold boxes are arranged on the left and right sides of the charging barrels and comprise a plurality of cavities. Longitudinal position adjustment devices are installed in an outer frame strip of each cavity. Each longitudinal position adjustment device comprises a movable part and a fixed part. One end of each cavity strip is in sliding fit with a frame strip of the corresponding cavity. Each movable part is fixedly connected with the end of the corresponding cavity strip. Through the technical scheme, the longitudinal position adjustment devices are buried in the outer frame strips and can adjust the positions of the cavity strips in order to meet packaging of various BGAs in slight changing sizes.
Description
Technical field:
The present invention relates to technical field of semiconductor encapsulation, specifically, a kind of BGA molding die.
Background technology:
In the MOLDING technique of semiconductor packages, due to the particularity of baseplate material, the control accuracy of its portion size of substrate of different manufacturers different model cannot meet the requirement of encapsulation.Substrate is exactly pcb board in fact, and a lot of size is merely able to accomplish ± about 0.1mm.In MOLDING technique, because its material epoxy resin smallest particles is less than this size, there is the problem that plastic packaging material overflows, equipment cannot automatic job.
The measure taked at present is that the substrate of different batches carrys out its size of compensatory control by changing eccentric pilot pin, and guarantee that gap is less than the smallest particles of epoxy resin, equipment can automatic job.Prior art adopts the locate mode (concrete application reference publication No. is the technological document of a kind of BGA molding die of CN104552672A) of cam pin, although in the location of BGA molding die, the needle point width of existing eccentric pilot pin can according to the installation pin hole change processing of pilot pin, but Problems existing changes pilot pin all to need to carry out dismounting to mould and ressemble at every turn, also there is assembling while consuming time and wrongly occur other problem etc., eccentric pilot pin processing request is high in addition, and cost is high.
For solving the problems of the technologies described above, application publication number is that the application for a patent for invention of CN104552672A discloses a kind of BGA molding die, comprise die holder, the middle part of die holder is linearly evenly placed with multiple barrel, the both sides of barrel are provided with diaphragm capsule, diaphragm capsule has the die cavity of multiple linearly evenly arrangement, the arragement direction of die cavity is identical with the arragement direction of barrel, die cavity bar is formed between every two adjacent die cavities, on diaphragm capsule removable be fixedly connected with towards barrel slide locating piece, locating piece is fitted with the first pilot pin, die cavity bar is provided with the second pilot pin.The BGA molding die provided in foregoing invention application, with auxiliary positioning block adjustment position after common circular pilot pin design and installation, simple and fast, also there will not be because mould repeats to assemble the various problems that may cause, easily process, structure simply, not takes up space, can adapt to the change of certain limit substrate size, change simple, stable equipment operation, with low cost, reduce various unnecessary adjustment and installation risk simultaneously, substantially increase production efficiency and equipment efficiency of usage.
Summary of the invention:
Technical problem solved by the invention: for BGA molding die of the prior art, how to adjust the position of die cavity bar, to meet the encapsulation of the multiple BGA of size trace change.
For solving the problems of the technologies described above, the invention provides following technical scheme:
A kind of BGA molding die, comprise die holder, the middle part of die holder is longitudinally evenly placed with multiple barrel, the left and right sides of barrel is provided with diaphragm capsule, described diaphragm capsule comprises the interior frame bar longitudinally arranged, the outside moulding longitudinally arranged, first frame bar of horizontally set, the Second Edge moulding of horizontally set, described interior frame bar is positioned at the side of barrel, described interior frame bar, outside moulding, first frame bar, Second Edge moulding forms a rectangular total die cavity, the die cavity bar that multiple longitudinal direction is evenly arranged is provided with in total die cavity, total die cavity is divided into multiple die cavity by the die cavity bar that multiple longitudinal direction is evenly arranged,
Offer installation cavity in the moulding of described outside, install in cavity and lengthwise position adjusting device is installed;
Described lengthwise position adjusting device comprises moving member and fixture, and moving member comprises square protuberance and connecting portion;
The end opens square groove of described fixture, described square protuberance activity is plugged in square groove; Described square protuberance offers the penetrating square chamber in left and right, the two lateral walls of square chamber is provided with the first tooth bar and the second tooth bar, first tooth bar and the first gears meshing, second tooth bar and the second gears meshing, described first gear is fixed on the first gear shaft, the two ends of the first gear shaft are articulated on the sidewall of square groove, and described second gear is articulated on the second gear shaft, and the two ends of the second gear shaft are articulated on the sidewall of square groove; Pivot joint one left-right rotary screw mandrel on the sidewall of described square groove, left-right rotary screw mandrel is parallel with the second gear shaft with the first gear shaft, left-right rotary screw mandrel is through square chamber, left-right rotary screw mandrel comprises left-handed screw mandrel section and dextrorotation screw mandrel section, left-handed screw mandrel section is spirally connected left-handed nut, dextrorotation screw mandrel section is spirally connected right-handed nut, left-handed nut is fixed with left brake pad, right-handed nut is fixed with right brake pad, the end of left brake pad and the end of right brake pad are all movably set on the second gear shaft, and described left brake pad and right brake pad are positioned at the both sides of the second gear;
One end and the outside moulding of described die cavity bar are slidably matched, and the other end and the interior frame bar of die cavity bar are slidably matched, and die cavity bar can vertically move along outside moulding and interior frame bar; The connecting portion of described moving member stretches out installation cavity and is connected with die cavity bar end winding support.
By technique scheme, the operation principle of BGA molding die of the present invention is as follows:
The first, turn left-right rotary screw mandrel, makes left brake pad and right brake pad and the second gear disengage;
Second, turn first gear shaft, first gear shaft drives the first gear to rotate, the first tooth bar on first gear drive square chamber one sidewall is overhanging, the square protuberance of first rack drives is overhanging in square groove, square protuberance drives moving member to move in installation cavity, and so, moving member drives die cavity bar to do vertically moving of trace along outside moulding and interior frame bar by connecting portion; Meanwhile, the second tooth bar on square chamber opposite side wall is overhanging, and the second rack drives second gear rotates around the second gear shaft;
3rd, when die cavity bar longitudinally moves to precalculated position, turn left-right rotary screw mandrel, left-handed nut and right-handed nut drive left brake pad and right brake pad to clamp the second gear respectively, to lock the second gear, the locking of the second gear makes the second tooth bar locking, and the locking of the second tooth bar makes square protuberance be positioned in square groove, and then makes die cavity bar position keep stable.
By technique scheme, lengthwise position adjusting device is imbedded in the moulding of outside, can adjust the position of die cavity bar, to meet the encapsulation of the multiple BGA of size trace change.
Illustrate as one of the present invention, described connecting portion comprises slide block, is located at the contiguous block of slide block side, and described square protuberance is connected with slide block, and described die cavity bar is connected with contiguous block.Described installation cavity comprises the fixing chamber for fixing described fixture, the slide slot sliding chamber, slide for contiguous block for skid.
Illustrate as one of the present invention, the end winding support of described left-right rotary screw mandrel has the first adjustment block, and the end winding support of described first gear shaft has the second adjustment block, and described first adjustment block and the second adjustment block all offer in-line groove; Described outside moulding offers and the first access of fixing chamber and the second adjusting hole, and described first adjustment block is positioned at the bottom of the first access, and described second adjustment block is positioned at the bottom of the second adjusting hole.As described above, staff can insert in the first access with Flathead screwdriver and rotate the first adjustment block, and then rotates left-right rotary screw mandrel; Staff can insert in the second adjusting hole with Flathead screwdriver and rotate the second adjustment block, and then rotates the first gear shaft.
As a modification of the present invention, one end and first frame bar of described outside moulding are slidably matched, and the other end and the Second Edge moulding of outside moulding are slidably matched, offer the second installation cavity in described first frame bar, in the second installation cavity, the second lateral attitude adjusting device is installed, described second lateral attitude adjusting device comprises the second moving member and the second fixture, and the second moving member comprises the second square protuberance and the second connecting portion, end opens second square groove of described second fixture, described second square protuberance activity is plugged in the second square groove, described second square protuberance offers the second penetrating square chamber of left and right, the two lateral walls of the second square chamber is provided with the 3rd tooth bar and the 4th tooth bar, 3rd tooth bar and the 3rd gears meshing, 4th tooth bar and the 4th gears meshing, described 3rd gear is fixed on the 3rd gear shaft, the two ends of the 3rd gear shaft are articulated on the sidewall of the second square groove, and described 4th gear is articulated on the 4th gear shaft, and the two ends of the 4th gear shaft are articulated on the sidewall of the second square groove, pivot joint second left-right rotary screw mandrel on the sidewall of described second square groove, second left-right rotary screw mandrel is parallel with the 4th gear shaft with the 3rd gear shaft, second left-right rotary screw mandrel is through the second square chamber, second left-right rotary screw mandrel comprises the second left-handed screw mandrel section and the second dextrorotation screw mandrel section, second left-handed screw mandrel section is spirally connected the second left-handed nut, second dextrorotation screw mandrel section is spirally connected the second right-handed nut, second left-handed nut is fixed with the second left brake pad, second right-handed nut is fixed with the second right brake pad, the end of the second left brake pad and the end of the second right brake pad are all movably set on the 4th gear shaft, described second left brake pad and the second right brake pad are positioned at the both sides of the 4th gear, second connecting portion of described second moving member stretches out the second installation cavity and is fixedly connected with one end of outside moulding.
As a further improvement on the present invention, offer the 3rd in described Second Edge moulding and cavity is installed, in the 3rd installation cavity, the 3rd lateral attitude adjusting device is installed, described 3rd lateral attitude adjusting device comprises the 3rd moving member and the 3rd fixture, and the 3rd moving member comprises third party's shape protuberance and the 3rd connecting portion, the end opens third party shape groove of described 3rd fixture, the activity of described third party's shape protuberance is plugged in third party's shape groove, described third party's shape protuberance offers the penetrating third party's shape chamber in left and right, the two lateral walls of third party's shape chamber is provided with the 5th tooth bar and the 6th tooth bar, 5th tooth bar and the 6th gears meshing, 6th tooth bar and the 6th gears meshing, described 5th gear is fixed on the 5th gear shaft, the two ends of the 5th gear shaft are articulated on the sidewall of third party's shape groove, and described 6th gear is articulated on the 6th gear shaft, and the two ends of the 6th gear shaft are articulated on the sidewall of third party's shape groove, pivot joint the 3rd left-right rotary screw mandrel on the sidewall of described third party's shape groove, 3rd left-right rotary screw mandrel is parallel with the 6th gear shaft with the 5th gear shaft, 3rd left-right rotary screw mandrel is through third party's shape chamber, 3rd left-right rotary screw mandrel comprises the 3rd left-handed screw mandrel section and the 3rd dextrorotation screw mandrel section, 3rd left-handed screw mandrel section is spirally connected the 3rd left-handed nut, 3rd dextrorotation screw mandrel section is spirally connected the 3rd right-handed nut, 3rd left-handed nut is fixed with the 3rd left brake pad, 3rd right-handed nut is fixed with the 3rd right brake pad, the end of the 3rd left brake pad and the end of the 3rd right brake pad are all movably set on the 6th gear shaft, described 3rd left brake pad and the 3rd right brake pad are positioned at the both sides of the 6th gear, 3rd connecting portion of described 3rd moving member stretches out the 3rd installation cavity and is fixedly connected with the other end of outside moulding.
By above-mentioned improvement, the operation principle of described second lateral attitude adjusting device and the 3rd lateral attitude adjusting device is same as lengthwise position adjusting device.Second lateral attitude adjusting device and the 3rd lateral attitude adjusting device drive outside moulding transverse shifting jointly, and then drive connected multiple die cavity bar transverse shifting, the die cavity bar of transverse shifting is fastened between outside moulding and interior frame bar tightly, in order to avoid epoxy resin overflows when encapsulating BGA.
Accompanying drawing illustrates:
Below in conjunction with accompanying drawing, the present invention is described further:
Fig. 1 is the structural representation of a kind of BGA molding die of the present invention;
Fig. 2 is the structural representation of BGA molding die after broken section in Fig. 1;
Fig. 3 is C place enlarged drawing in Fig. 1;
Fig. 4 is B place enlarged drawing in Fig. 2;
The structural representation of Fig. 5 lengthwise position adjusting device 10 involved by the present invention;
Fig. 6 is the structural representation of lengthwise position adjusting device 10 after broken section in Fig. 5;
Fig. 7 is the top view of Fig. 5;
Fig. 8 is the structural representation of lengthwise position adjusting device 10 after broken section in Fig. 7;
Fig. 9 is A place enlarged drawing in Fig. 8.
Symbol description in figure:
10, lengthwise position adjusting device; 11, moving member; 110, connecting portion; 1101, slide block; 1102, contiguous block; 111, square protuberance; 112, square chamber; 113, the first tooth bar; 114, the second tooth bar; 115, the first gear; 116, the second gear; 117, the first gear shaft; 1171, the second adjustment block; 118, the second gear shaft; 12, fixture; 121, square groove; 122, left-right rotary screw mandrel; 1221, the first adjustment block; 123, left brake pad; 124, right brake pad;
20, die holder;
30, barrel;
40, diaphragm capsule; 401, die cavity; 41, interior frame bar; 42, outside moulding; 421, chamber is slided; 422, slide slot; 423, the first access; 424, the second adjusting hole; 43, the first frame bar; 44, Second Edge moulding; 45, die cavity bar;
51, the second lateral attitude adjusting device; 52, the 3rd lateral attitude adjusting device.
Detailed description of the invention:
Composition graphs 1, Fig. 2, a kind of BGA molding die, comprise die holder 20, the middle part of die holder is longitudinally evenly placed with multiple barrel 30, the left and right sides of barrel is provided with diaphragm capsule 40, described diaphragm capsule comprises the interior frame bar 41 longitudinally arranged, the outside moulding 42 longitudinally arranged, first frame bar 43 of horizontally set, the Second Edge moulding 44 of horizontally set, described interior frame bar is positioned at the side of barrel, described interior frame bar, outside moulding, first frame bar, Second Edge moulding forms a rectangular total die cavity, the die cavity bar 45 that multiple longitudinal direction is evenly arranged is provided with in total die cavity, total die cavity is divided into multiple die cavity 401 by the die cavity bar that multiple longitudinal direction is evenly arranged.
Composition graphs 2, Fig. 4, offer installation cavity in the moulding of described outside, installs in cavity and be provided with lengthwise position adjusting device 10; Composition graphs 5 to Fig. 9, described lengthwise position adjusting device comprises moving member 11 and fixture 12, and moving member comprises square protuberance 111 and connecting portion 110; The end opens square groove 121 of described fixture, described square protuberance activity is plugged in square groove; Described square protuberance offers the penetrating square chamber 112 in left and right, the two lateral walls of square chamber is provided with the first tooth bar 113 and the second tooth bar 114, first tooth bar engages with the first gear 115, second tooth bar engages with the second gear 116, described first gear is fixed on the first gear shaft 117, the two ends of the first gear shaft are articulated on the sidewall of square groove, and described second gear is articulated on the second gear shaft 118, and the two ends of the second gear shaft are articulated on the sidewall of square groove; Pivot joint one left-right rotary screw mandrel 122 on the sidewall of described square groove, left-right rotary screw mandrel is parallel with the second gear shaft with the first gear shaft, left-right rotary screw mandrel is through square chamber, left-right rotary screw mandrel comprises left-handed screw mandrel section and dextrorotation screw mandrel section, left-handed screw mandrel section is spirally connected left-handed nut, dextrorotation screw mandrel section is spirally connected right-handed nut, left-handed nut is fixed with left brake pad 123, right-handed nut is fixed with right brake pad 124, the end of left brake pad and the end of right brake pad are all movably set on the second gear shaft, and described left brake pad and right brake pad are positioned at the both sides of the second gear; One end and the outside moulding of described die cavity bar are slidably matched, and the other end and the interior frame bar of die cavity bar are slidably matched, and die cavity bar can vertically move along outside moulding and interior frame bar; The connecting portion of described moving member stretches out installation cavity and is connected with die cavity bar end winding support.
In above-mentioned lengthwise position adjusting device, described connecting portion 110 comprises slide block 1101, is located at the contiguous block 1102 of slide block side, and described square protuberance 111 is connected with slide block, and described die cavity bar 45 is connected with contiguous block.Composition graphs 2, Fig. 4, described installation cavity comprises the fixing chamber for fixing described fixture 12, the slide slot 422 sliding chamber 421, slide for contiguous block 1102 for skid.
In above-mentioned lengthwise position adjusting device, composition graphs 3, Fig. 8, Fig. 9, the end winding support of described left-right rotary screw mandrel 122 has the first adjustment block 1221, and the end winding support of described first gear shaft 117 has the second adjustment block 1171, and described first adjustment block and the second adjustment block all offer in-line groove; Described outside moulding 42 offers and the first access 423 of fixing chamber and the second adjusting hole 424, and described first adjustment block is positioned at the bottom of the first access, and described second adjustment block is positioned at the bottom of the second adjusting hole.
Composition graphs 1, Fig. 2, one end and first frame bar 43 of described outside moulding 42 are slidably matched, and the other end and the Second Edge moulding 44 of outside moulding are slidably matched; Offer the second installation cavity in described first frame bar, in the second installation cavity, the second lateral attitude adjusting device 51 is installed.
Identically with principle with the structure of lengthwise position adjusting device 10, described second lateral attitude adjusting device comprises the second moving member and the second fixture, and the second moving member comprises the second square protuberance and the second connecting portion, end opens second square groove of described second fixture, described second square protuberance activity is plugged in the second square groove, described second square protuberance offers the second penetrating square chamber of left and right, the two lateral walls of the second square chamber is provided with the 3rd tooth bar and the 4th tooth bar, 3rd tooth bar and the 3rd gears meshing, 4th tooth bar and the 4th gears meshing, described 3rd gear is fixed on the 3rd gear shaft, the two ends of the 3rd gear shaft are articulated on the sidewall of the second square groove, and described 4th gear is articulated on the 4th gear shaft, and the two ends of the 4th gear shaft are articulated on the sidewall of the second square groove, pivot joint second left-right rotary screw mandrel on the sidewall of described second square groove, second left-right rotary screw mandrel is parallel with the 4th gear shaft with the 3rd gear shaft, second left-right rotary screw mandrel is through the second square chamber, second left-right rotary screw mandrel comprises the second left-handed screw mandrel section and the second dextrorotation screw mandrel section, second left-handed screw mandrel section is spirally connected the second left-handed nut, second dextrorotation screw mandrel section is spirally connected the second right-handed nut, second left-handed nut is fixed with the second left brake pad, second right-handed nut is fixed with the second right brake pad, the end of the second left brake pad and the end of the second right brake pad are all movably set on the 4th gear shaft, described second left brake pad and the second right brake pad are positioned at the both sides of the 4th gear, second connecting portion of described second moving member stretches out the second installation cavity and is fixedly connected with one end of outside moulding.
Composition graphs 1, Fig. 2, offer the 3rd and install cavity in described Second Edge moulding 44, be provided with the 3rd lateral attitude adjusting device 52 in the 3rd installation cavity.
Identically with principle with the structure of lengthwise position adjusting device 10, described 3rd lateral attitude adjusting device comprises the 3rd moving member and the 3rd fixture, and the 3rd moving member comprises third party's shape protuberance and the 3rd connecting portion, the end opens third party shape groove of described 3rd fixture, the activity of described third party's shape protuberance is plugged in third party's shape groove, described third party's shape protuberance offers the penetrating third party's shape chamber in left and right, the two lateral walls of third party's shape chamber is provided with the 5th tooth bar and the 6th tooth bar, 5th tooth bar and the 6th gears meshing, 6th tooth bar and the 6th gears meshing, described 5th gear is fixed on the 5th gear shaft, the two ends of the 5th gear shaft are articulated on the sidewall of third party's shape groove, and described 6th gear is articulated on the 6th gear shaft, and the two ends of the 6th gear shaft are articulated on the sidewall of third party's shape groove, pivot joint the 3rd left-right rotary screw mandrel on the sidewall of described third party's shape groove, 3rd left-right rotary screw mandrel is parallel with the 6th gear shaft with the 5th gear shaft, 3rd left-right rotary screw mandrel is through third party's shape chamber, 3rd left-right rotary screw mandrel comprises the 3rd left-handed screw mandrel section and the 3rd dextrorotation screw mandrel section, 3rd left-handed screw mandrel section is spirally connected the 3rd left-handed nut, 3rd dextrorotation screw mandrel section is spirally connected the 3rd right-handed nut, 3rd left-handed nut is fixed with the 3rd left brake pad, 3rd right-handed nut is fixed with the 3rd right brake pad, the end of the 3rd left brake pad and the end of the 3rd right brake pad are all movably set on the 6th gear shaft, described 3rd left brake pad and the 3rd right brake pad are positioned at the both sides of the 6th gear, 3rd connecting portion of described 3rd moving member stretches out the 3rd installation cavity and is fixedly connected with the other end of outside moulding 42.
In actual production, the workflow of BGA molding die adjustment die cavity bar position of the present invention is as follows:
The first, turn left-right rotary screw mandrel 122, makes left brake pad 123 and right brake pad 124 and the second gear 116 disengage;
Second, turn first gear shaft 117, first gear shaft 117 drives the first gear 115 to rotate, first gear 115 drives the first tooth bar 113 on square chamber 112 1 sidewall overhanging, first tooth bar 113 drives square protuberance 111 overhanging in square groove 121, square protuberance 111 drives moving member 11 to move in installation cavity, and so, moving member drives die cavity bar 45 to do vertically moving of trace along outside moulding 42 and interior frame bar 41 by connecting portion 110; Meanwhile, the second tooth bar 114 on square another sidewall of chamber 112 declines, and the second tooth bar 114 drives the second gear 116 to rotate around the second gear shaft 118;
3rd, when die cavity bar 45 longitudinally moves to precalculated position, turn left-right rotary screw mandrel 12, left-handed nut and right-handed nut drive left brake pad 123 and right brake pad 124 to clamp the second gear 116 respectively, to lock the second gear 116, the locking of the second gear 116 makes the second tooth bar 114 lock, and the locking of the second tooth bar 114 makes square protuberance 111 be positioned in square groove 121, and then makes die cavity bar 45 position keep stable.
Above content is only better embodiment of the present invention, and for those of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, this description should not be construed as limitation of the present invention.
Claims (6)
1. a BGA molding die, comprise die holder (20), the middle part of die holder is longitudinally evenly placed with multiple barrel (30), the left and right sides of barrel is provided with diaphragm capsule (40), described diaphragm capsule comprises the interior frame bar (41) longitudinally arranged, the outside moulding (42) longitudinally arranged, first frame bar (43) of horizontally set, the Second Edge moulding (44) of horizontally set, described interior frame bar is positioned at the side of barrel, described interior frame bar, outside moulding, first frame bar, Second Edge moulding forms a rectangular total die cavity, the die cavity bar (45) that multiple longitudinal direction is evenly arranged is provided with in total die cavity, total die cavity is divided into multiple die cavity (401) by the die cavity bar that multiple longitudinal direction is evenly arranged, it is characterized in that:
Offer installation cavity in the moulding of described outside, install in cavity and lengthwise position adjusting device (10) is installed;
Described lengthwise position adjusting device comprises moving member (11) and fixture (12), and moving member comprises square protuberance (111) and connecting portion (110);
The end opens square groove (121) of described fixture, described square protuberance activity is plugged in square groove, described square protuberance offers the penetrating square chamber (112) in left and right, the two lateral walls of square chamber is provided with the first tooth bar (113) and the second tooth bar (114), first tooth bar engages with the first gear (115), second tooth bar engages with the second gear (116), described first gear is fixed on the first gear shaft (117), the two ends of the first gear shaft are articulated on the sidewall of square groove, described second gear is articulated on the second gear shaft (118), and the two ends of the second gear shaft are articulated on the sidewall of square groove, pivot joint one left-right rotary screw mandrel (122) on the sidewall of described square groove, left-right rotary screw mandrel is parallel with the second gear shaft with the first gear shaft, left-right rotary screw mandrel is through square chamber, left-right rotary screw mandrel comprises left-handed screw mandrel section and dextrorotation screw mandrel section, left-handed screw mandrel section is spirally connected left-handed nut, dextrorotation screw mandrel section is spirally connected right-handed nut, left-handed nut is fixed with left brake pad (123), right-handed nut is fixed with right brake pad (124), the end of left brake pad and the end of right brake pad are all movably set on the second gear shaft, described left brake pad and right brake pad are positioned at the both sides of the second gear,
One end and the outside moulding of described die cavity bar are slidably matched, and the other end and the interior frame bar of die cavity bar are slidably matched, and die cavity bar can vertically move along outside moulding and interior frame bar; The connecting portion of described moving member stretches out installation cavity and is connected with die cavity bar end winding support.
2. a kind of BGA molding die as claimed in claim 1, it is characterized in that: described connecting portion (110) comprises slide block (1101), is located at the contiguous block (1102) of slide block side, described square protuberance (111) is connected with slide block, and described die cavity bar (45) is connected with contiguous block.
3. a kind of BGA molding die as claimed in claim 2, is characterized in that: described installation cavity comprises the fixing chamber for fixing described fixture (12), the slide slot (422) sliding chamber (421), slide for contiguous block (1102) for skid.
4. a kind of BGA molding die as claimed in claim 3, is characterized in that:
The end winding support of described left-right rotary screw mandrel (122) has the first adjustment block (1221), the end winding support of described first gear shaft (117) has the second adjustment block (1171), and described first adjustment block and the second adjustment block all offer in-line groove;
Described outside moulding (42) offers and the first access of fixing chamber (423) and the second adjusting hole (424), described first adjustment block is positioned at the bottom of the first access, and described second adjustment block is positioned at the bottom of the second adjusting hole.
5. a kind of BGA molding die as claimed in claim 1, it is characterized in that: one end and first frame bar (43) of described outside moulding (42) are slidably matched, the other end and the Second Edge moulding (44) of outside moulding are slidably matched;
Offer the second installation cavity in described first frame bar, in the second installation cavity, the second lateral attitude adjusting device (51) is installed;
Described second lateral attitude adjusting device comprises the second moving member and the second fixture, and the second moving member comprises the second square protuberance and the second connecting portion;
End opens second square groove of described second fixture, described second square protuberance activity is plugged in the second square groove, described second square protuberance offers the second penetrating square chamber of left and right, the two lateral walls of the second square chamber is provided with the 3rd tooth bar and the 4th tooth bar, 3rd tooth bar and the 3rd gears meshing, 4th tooth bar and the 4th gears meshing, described 3rd gear is fixed on the 3rd gear shaft, the two ends of the 3rd gear shaft are articulated on the sidewall of the second square groove, and described 4th gear is articulated on the 4th gear shaft, and the two ends of the 4th gear shaft are articulated on the sidewall of the second square groove, pivot joint second left-right rotary screw mandrel on the sidewall of described second square groove, second left-right rotary screw mandrel is parallel with the 4th gear shaft with the 3rd gear shaft, second left-right rotary screw mandrel is through the second square chamber, second left-right rotary screw mandrel comprises the second left-handed screw mandrel section and the second dextrorotation screw mandrel section, second left-handed screw mandrel section is spirally connected the second left-handed nut, second dextrorotation screw mandrel section is spirally connected the second right-handed nut, second left-handed nut is fixed with the second left brake pad, second right-handed nut is fixed with the second right brake pad, the end of the second left brake pad and the end of the second right brake pad are all movably set on the 4th gear shaft, described second left brake pad and the second right brake pad are positioned at the both sides of the 4th gear,
Second connecting portion of described second moving member stretches out the second installation cavity and is fixedly connected with one end of outside moulding.
6. a kind of BGA molding die as claimed in claim 5, is characterized in that:
Offer the 3rd in described Second Edge moulding (44) and cavity is installed, in the 3rd installation cavity, the 3rd lateral attitude adjusting device (52) is installed;
Described 3rd lateral attitude adjusting device comprises the 3rd moving member and the 3rd fixture, and the 3rd moving member comprises third party's shape protuberance and the 3rd connecting portion;
The end opens third party shape groove of described 3rd fixture, the activity of described third party's shape protuberance is plugged in third party's shape groove, described third party's shape protuberance offers the penetrating third party's shape chamber in left and right, the two lateral walls of third party's shape chamber is provided with the 5th tooth bar and the 6th tooth bar, 5th tooth bar and the 6th gears meshing, 6th tooth bar and the 6th gears meshing, described 5th gear is fixed on the 5th gear shaft, the two ends of the 5th gear shaft are articulated on the sidewall of third party's shape groove, and described 6th gear is articulated on the 6th gear shaft, and the two ends of the 6th gear shaft are articulated on the sidewall of third party's shape groove, pivot joint the 3rd left-right rotary screw mandrel on the sidewall of described third party's shape groove, 3rd left-right rotary screw mandrel is parallel with the 6th gear shaft with the 5th gear shaft, 3rd left-right rotary screw mandrel is through third party's shape chamber, 3rd left-right rotary screw mandrel comprises the 3rd left-handed screw mandrel section and the 3rd dextrorotation screw mandrel section, 3rd left-handed screw mandrel section is spirally connected the 3rd left-handed nut, 3rd dextrorotation screw mandrel section is spirally connected the 3rd right-handed nut, 3rd left-handed nut is fixed with the 3rd left brake pad, 3rd right-handed nut is fixed with the 3rd right brake pad, the end of the 3rd left brake pad and the end of the 3rd right brake pad are all movably set on the 6th gear shaft, described 3rd left brake pad and the 3rd right brake pad are positioned at the both sides of the 6th gear,
3rd connecting portion of described 3rd moving member stretches out the 3rd installation cavity and is fixedly connected with the other end of outside moulding (42).
Priority Applications (1)
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CN105666745A (en) * | 2016-03-08 | 2016-06-15 | 浙江乔兴建设集团湖州智能科技有限公司 | BGA (Ball Grid Array) molding die |
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CN104552672A (en) * | 2014-12-08 | 2015-04-29 | 南通富士通微电子股份有限公司 | BGA molding mold |
CN205086231U (en) * | 2015-11-14 | 2016-03-16 | 苏州光韵达光电科技有限公司 | BGA mould utensil of moulding |
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WO1998005065A1 (en) * | 1996-07-25 | 1998-02-05 | Advanced Systems Automation Limited | Bga mould assembly for encapsulating bga substrates of varying thickness |
CN104552672A (en) * | 2014-12-08 | 2015-04-29 | 南通富士通微电子股份有限公司 | BGA molding mold |
CN205086231U (en) * | 2015-11-14 | 2016-03-16 | 苏州光韵达光电科技有限公司 | BGA mould utensil of moulding |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105666745A (en) * | 2016-03-08 | 2016-06-15 | 浙江乔兴建设集团湖州智能科技有限公司 | BGA (Ball Grid Array) molding die |
CN107553789A (en) * | 2016-03-08 | 2018-01-09 | 吴小再 | A kind of BGA molding dies |
CN107571429A (en) * | 2016-03-08 | 2018-01-12 | 吴小再 | A kind of method of work of BGA molding dies |
CN107696350A (en) * | 2016-03-08 | 2018-02-16 | 朱保生 | BGA molding dies |
CN107901293A (en) * | 2016-03-08 | 2018-04-13 | 朱保生 | The method of work of BGA molding dies |
CN107962713A (en) * | 2016-03-08 | 2018-04-27 | 蔡留凤 | BGA molding dies and its method of work for semiconductor packages |
CN107993944A (en) * | 2016-03-08 | 2018-05-04 | 蔡留凤 | A kind of BGA molding dies and its method of work for semiconductor packages |
CN107553789B (en) * | 2016-03-08 | 2019-11-08 | 吴小再 | A kind of BGA molding die |
CN107993944B (en) * | 2016-03-08 | 2019-12-10 | 蔡留凤 | BGA (ball grid array) molding die for semiconductor packaging and working method thereof |
CN107901293B (en) * | 2016-03-08 | 2019-12-17 | 北京中新泰合电子材料科技有限公司 | Working method of BGA (ball grid array) molding die |
CN107571429B (en) * | 2016-03-08 | 2019-12-20 | 吴小再 | Working method of BGA (ball grid array) molding die |
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