Description of drawings
Fig. 1 is the integrated circuit pin structural representation, and wherein Fig. 1 a is a schematic diagram before the moulding, and Fig. 1 b is a schematic diagram after the moulding;
Fig. 2 is the structural representation of make-up machine of the present invention;
Fig. 3 is the structural representation of shaping mechanism of the present invention, and wherein Fig. 3 a is left half module shaping mechanism schematic diagram, and Fig. 3 b is right half module shaping mechanism schematic diagram;
Fig. 4 is the vertical view of counterdie in the shaping mechanism of the present invention; Wherein Fig. 4 a is the counterdie vertical view of left half module shaping mechanism, and Fig. 4 b is the counterdie vertical view of right half module shaping mechanism;
Fig. 5 is the structural representation of two-way mobile platform of the present invention, and wherein Fig. 5 a is the front view of two-way mobile platform, and Fig. 5 b is the vertical view of two-way mobile platform;
Fig. 6 is the structure chart of bidirectional helical leading screw in the two-way mobile platform of the present invention;
Fig. 7 is the detailed structure schematic diagram of A part among Fig. 3;
Fig. 8 is the detailed structure schematic diagram of B part among Fig. 3;
Fig. 9 is the structural representation of guiding mechanism of the present invention, and wherein, Fig. 9 a is the front view of guiding mechanism, and Fig. 9 b is the vertical view of guiding mechanism;
Figure 10 is the front view and the end view of framework of the present invention, and wherein, Figure 10 a is the front view of framework, and Figure 10 b is the vertical view of framework;
Figure 11 is the structural representation of the upper mould fixed plate in the shaping mechanism of the present invention, and wherein Figure 11 a is the left view of upper mould fixed plate, and Figure 11 b is the cutaway view of the front view of upper mould fixed plate, and Figure 11 c is an A-A cutaway view among Figure 11 b;
Figure 12 is a shaping mechanism center platen structural representation of the present invention, and wherein Figure 12 a is the pressure plate structure front view, and Figure 12 b is the pressure plate structure right view;
Figure 13 goes up the shaping moudle structure schematic diagram in the shaping mechanism of the present invention;
Figure 14 is a shearing die structural representation in the shaping mechanism of the present invention, and wherein Figure 14 a is the shearing die front view, and Figure 14 b is the shearing die right view, and Figure 14 c is the shearing die vertical view;
Figure 15 supports the guide block structural representation in the shaping mechanism of the present invention, wherein Figure 15 a supports the guide block upward view, and Figure 15 b supports the guide block front view, and Figure 15 c supports the guide block right view;
Figure 16 is a compacted under mode structure schematic diagram in the shaping mechanism of the present invention, and wherein Figure 16 a is a compacted under mould front view, and Figure 16 b is a compacted under mould right view, and Figure 16 c is a compacted under mould vertical view;
Figure 17 is a counterdie briquette structure schematic diagram in the shaping mechanism of the present invention, and wherein Figure 17 a is a counterdie briquetting front view, and Figure 17 b is a counterdie briquetting right view, and Figure 17 c is a counterdie briquetting vertical view;
Figure 18 is a supporting plate structure schematic diagram in the shaping mechanism of the present invention, and wherein Figure 18 a is the supporting bracket front view, and Figure 18 b is a supporting bracket briquetting right view;
Figure 19 is the first supporting bracket briquette structure schematic diagram in the shaping mechanism of the present invention, and wherein Figure 19 a is the first supporting bracket briquetting front view, and Figure 19 b is the first supporting bracket briquetting right view;
Figure 20 is the present invention's second supporting bracket briquette structure schematic diagram, and wherein Figure 20 a is the second supporting bracket briquetting front view, and Figure 20 b is the second supporting bracket briquetting right view.
Figure 21 is the control method flow chart that control system of the present invention adopts;
Wherein, 1. framework, 2. two-way mobile platform, the 3. bilateral compound die shaping mechanism of nested structure, 4. guiding mechanism, 5. pneumatic means, 6. panel, 7. touch-screen, 8. control system, 9. handwheel, 10. compound die base, 11. guide pillars, 12. pop-up, 13. patrix guide rails, 14. slide blocks, 15. bidirectional helical leading screws, 16. servomotor, 17. bases, 18. push-out motors, 19. push rods, 20. shearing die, 21. screws, 22. springs, 23. upper mould fixed plates, 24. pressing plate, shaping mould on 25., 26. supporting brackets, 27. compacted under moulds, 28. the supporting bracket briquetting, 29. support guide block, 30. counterdie briquettings, 31 trapezoidal rails, 32. support motor, 33. supports, 34. shaft coupling, 35. spherical pads, 36. patrix guide blocks, 37.U the clevis tool, 38. upper mounting plates, 39. halfpaces, 40. lower platform, 41, attachment screw, 71. grooves, 72. round tube hole, 73. through holes, 74. screwed holes, 75. through hole, 121. first supporting bracket briquettings, 122. second supporting bracket briquettings.
Embodiment
Below in conjunction with accompanying drawing sets forth in detail the specific embodiment of the present invention:
As shown in Figure 2, be the structural representation of make-up machine of the present invention, it has the bilateral compound die shaping mechanism 3 of framework 1, control system 8, pneumatic means 5, guiding mechanism 4, two-way mobile platform 2 and nested structure.Framework is divided into three layers by three platforms, and control system 8 is placed on the lower floor of framework 1, the top of control system 8 by screw on the bottom surface of halfpace; The bilateral compound die shaping mechanism 3 of two-way mobile platform 2 and nested structure is placed on the second layer of framework, the base 17 of two-way mobile platform 2 and the halfpace of framework 1 connect firmly, the left and right half module correspondence of the bilateral compound die shaping mechanism 1 of nested structure is fixed on the left and right slide block 14 of two-way mobile platform, and the touch-screen 7 of control system 8 is by the upper right corner of screw at second layer framework; Pneumatic means 5 is placed on the inside of the panel 6 of framework upper mounting plate, and the upper mounting plate that framework 1 is passed at the top of its pneumatic piston rod links to each other with guiding mechanism 4, and the patrix of the bilateral compound die shaping mechanism 3 of guiding mechanism 4 and nested structure is connected.
Branch mould, matched moulds motion are finished in the patrix of the bilateral compound die shaping mechanism 3 of pneumatic piston rod and nested structure interlock in the pneumatic means 5, and pneumatic means pressure size can control, and can reduce the damage of clamping pressure to integrated circuit pin.Air gauge on the panel 6 shows current cylinder pressure value.The used pneumatic means of the present invention is the general pneumatic means of Digit Control Machine Tool, can buy on market.
Control system 8 comprises programmable logic controller (PLC) PLC, touch-screen and electronic device, and PLC is now general operation technique, and that a kind of embodiment of the present invention selects for use is the CPU 226 of Siemens S7200 series, and that touch-screen is used is TP170A, can purchase on the market.By triggering the respective keys on the touch-screen, the operation of control system operation PLC internal processes control entire equipment moves, and finishes the expectation function of equipment.The inner control method that adopts of PLC is (chip that occurs in the block diagram among the figure is integrated circuit pin) as shown in figure 21, program start, can login behind the demonstration welcome interface and enter main menu, select to check warning message or enter parameter interface or automatic operation interface or manual operation interface to be set or to go back to the Z-operation interface:
When selecting parameter that the interface is set, after being set, system parameters and lathe parameter promptly end;
When selecting automatic operation interface, step comprises (1) user's input ic pin size and forming parameter; (2) judge whether the order target equals current state, is then directly to change step (5) over to, is not then to enter next step; (3) desired value and currency are made comparisons computing, and convert the result to the relevant PLC instruction; (4) control servomotor and support motor run to the target location; (5) place integrated circuit pin to be formed, and the operation of control pneumatic means, with the integrated circuit pin moulding; (6) judge whether to occur abnormal operation, when abnormal operation occurring, alarm occurs, otherwise enter next step; (7) knock-pin raises and ejects integrated circuit pin, makes integrated circuit pin break away from shaping mechanism, and finishes behind the integrated circuit pin of taking-up forming;
When selecting the manual operation interface, step comprises that (1) converts the bid value of setting to the relevant PLC instruction; (2) control servomotor and support motor run to the target location; (3) place integrated circuit pin to be formed, and the operation of control pneumatic means, with the integrated circuit pin moulding; (4) judge whether to occur abnormal operation, when abnormal operation occurring, alarm occurs, otherwise enter next step; (5) knock-pin raises and ejects integrated circuit pin, makes integrated circuit pin break away from shaping mechanism, and finishes behind the integrated circuit pin of taking-up forming;
When selecting go back to the Z-operation interface, step comprises that (1) converts the currency of controlled device to the relevant PLC instruction; (2) control external motor operation; (3) judge back zero or reset operation whether correct, termination routine just often, otherwise warning message occurs.
As illustrated in Figures 5 and 6, two-way mobile platform 2 mainly comprises two-way mobile platform base 17, trapezoidal rails 31, slide block 14, bidirectional helical leading screw 15, support 33, shaft coupling 34, servomotor 16, support motor 32, push-out motor 18 and push rod 19.Two-way mobile platform base 17 is by the upper surface of screw at framework 1 halfpace, trapezoidal rails 31 by screw on two-way mobile platform base 17, part has the screw thread of different directions respectively about bidirectional helical leading screw 15, connect (two slide blocks 14 are connected to threaded portions different on the bidirectional helical leading screw 15) by the screwed hole that connects on two slide blocks with slide block 14, can drive two slide blocks 14 simultaneously moves round about, in the lead screw pair of its two ends frame on two supports 33, the slide block 14 by dovetail groove is limited in along single dof mobility on the guide rail direction; The axle head of servomotor 16 is connected by shaft coupling 34 with bidirectional helical leading screw 15 1 ends, and motor rotates and drives the forming width adjustment that the bidirectional helical leading screw rotates the left and right sides half module of the bilateral compound die shaping mechanism 3 of finishing nested structure; Support motor 32 is contained in the through hole on the slide block 14, its go up swivel nut by screw in the bottom of supporting guide block 29, drive and support the guide block motion in order to adjust the height of supporting bracket 26; In the middle of two-way mobile platform base 17, its axle head is connected with push rod 19 push-out motor 18, can drive push rod 19 and eject the integrated circuit that moulding finishes in the composite shaping mechanism by screw.
As shown in Figure 9, structural scheme of mechanism for guiding mechanism 4, it comprises patrix guide rail 13, spherical pad 35, patrix guide block 36 and U-shaped anchor clamps 37, guiding mechanism has four patrix guide blocks 36, one end of each patrix guide block 36 is connected with pop-up 12 by screw, the other end hangs on the patrix guide rail 13, patrix can be moved on patrix guide rail 13 directions, the cylinder piston rod axle head of guiding mechanism 4 and pneumatic means 5 is by U-shaped anchor clamps 37 clampings and interlock on the guiding mechanism 4, when cylinder piston rod descended, the spherical pad that is connected the cylinder piston rod top played and makes active force vertically downward the guide effect of cylinder to mould.
As shown in figure 10, be the structural representation of framework 1, it comprises panel 6, upper mounting plate 38, halfpace 39, lower platform 40, and each parts of make-up machine etc. are positioned at framework.
As Fig. 3,4,7, shown in 8, shaping mechanism agent structure of the present invention is the left-right symmetric formula, comprise left half module and right half module, each half module shaping mechanism comprises compound die base 10, guide pillar 11, pop-up 12, upper die and lower die, counterdie and guide pillar 11 are fixed on the compound die base 10, patrix is fixed in the pop-up 12, described patrix is mainly by shearing die 20, screw 21, spring 22, upper mould fixed plate 23, pressing plate 24 and last shaping mould 25 constitute, last shaping mould 25 and pressing plate 24 fit together and are nested in the upper mould fixed plate 23, and by being installed in the screw 21 in the upper mould fixed plate 23 and spring 22 will be gone up shaping mould 25 and pressing plate 24 outwards ejects, last shaping mould 25 is between pressing plate 24 and shearing die 20, upper mould fixed plate 23 connects firmly with shearing die 20, and shearing die 20 is fixed on the lower surface of pop-up 12 by screw and alignment pin; Described counterdie mainly is made of supporting bracket 26, compacted under mould 27, supporting bracket briquetting 28, support guide block 29 and counterdie briquetting 30, supporting bracket briquetting 28 and compacted under mould 27 assemble by screw, supporting bracket 26 is nested between supporting bracket briquetting 28 and the compacted under mould 27 and with the upper end of supporting guide block 29 and is connected, supporting guide block 29 is nested in the counterdie briquetting 30, supporting bracket 26 and 29 interlocks of support guide block, counterdie briquetting 30 is fixed on the compound die base 10.
Figure 11 is the structural representation of upper mould fixed plate 23, upper mould fixed plate 23 is rectangular three-dimensional-structure, there are 45 degree chamferings the both sides, lower end, the position symmetry has been processed a rectangle groove 71 therebetween, and on this groove 71, processed the round tube hole 72 of five place's slightly larger in diameter in the rectangle width, all be processed with the screw thread of certain-length on the top of each round tube hole 72, processed two through holes 73, processed two screwed holes 74 over there after passing rectangular through holes in cuboid side symmetry.The surface of two area maximums of pressing plate 24 and last shaping mould 25 is close together, put into the rectangle groove of upper mould fixed plate 23, attachment screw 41 is fixed on two screwed holes 74 by two through holes 73 of upper mould fixed plate 23 sides and the hole on pressing plate 8 and the last shaping mould 9, makes pressing plate 24 and last shaping mould 25 can only be in the fixed range in the upper mould fixed plate 23 movable and can not break away from upper mould fixed plate 23; Five springs are put into five round tube holes of upper mould fixed plate 23, one end is pressed on pressing plate 24 and the last shaping mould 25, the screw that the other end is screwed on the top screw thread of round tube hole withstands, and pressing plate 24 and last shaping mould 25 are ejected upper mould fixed plate 23 by spring 22 maximum magnitudes.Also be provided with the through hole of using when connecting firmly 75 on the upper mould fixed plate 23 with shearing die 20.
Figure 12, the structural representation that is respectively pressing plate 24 and last shaping mould 25 shown in Figure 13, the screw that passes upper mould fixed plate 23 is by the hole on pressing plate 24 and the last shaping mould 25, pressing plate 24 and last shaping mould 25 are limited in the upper mould fixed plate 23, make its activity within the specific limits.Also be provided with groove on pressing plate 24 and the last shaping mould 25, groove on the pressing plate 24 is 3, groove on the last shaping mould 25 is 2, leave surplus for respectively the spring 22 of relevant position, simultaneously, because the structure of five springs 22 is identical with intensity, the spring force that therefore last shaping mould 25 is subjected to is greater than pressing plate 24, in order to make the stressed of shaping mould 25 greater than pressing plate 24, also can take the spring of varying strength, can simplify the structure of pressing plate 24 and last shaping mould 25 like this.
Figure 14 is the structural representation of shearing die 20, and last shearing die upper surface is processed with two screwed holes and two round tube holes, by screw and alignment pin it is fixed in the pop-up; Be processed with four screwed holes in its side, cooperate by screw and upper mould fixed plate 23.
Figure 15 is for supporting the structural representation of guide block 29, and it is the inverted L shape structure, can also radially be provided with through hole, and the bottom is provided with screwed hole.
Figure 16 is the structural representation of compacted under mould 27, compacted under mould 27 the centre open a square through hole, the restriction guide block is movable in the altitude range of square through hole.Be illustrated as compacted under mould 27 structural representations of left half module, there are two screwed holes in the left side, be used for connecting firmly with the first supporting bracket briquetting 121, there are three screwed holes on the right side, is used for connecting firmly with the second supporting bracket briquetting 122, because the supporting bracket briquetting is the part that is used, so there are three screwed holes in the compacted under mould of right half module left side, is used for connecting firmly with the second supporting bracket briquetting 122, there are two screwed holes on the right side, be used for connecting firmly with the first supporting bracket briquetting 121
Figure 17 is the schematic diagram of counterdie briquetting 30, and end and compacted under mould 27 are fitted, and connect firmly by screw, and counterdie briquetting 30 is provided with L shaped groove, and the lifting position of guide block 29 is supported in restriction.Counterdie briquetting 30 is fixed on the compound die base by alignment pin.
As shown in figure 18, for supporting bracket 26 structural representations of the present invention, have symmetrical through hole on the supporting bracket 26, the top interference fit of itself and guide block realizes supporting bracket 26 and supports the interlock of guide block 29.
As Figure 19, shown in 20, be the first supporting bracket briquetting 121 and the second supporting bracket briquetting, 122 structural representations, all be respectively equipped with the first supporting bracket briquetting 121 and the second supporting bracket briquetting 122 on left side half module and the right half module, the center symmetric position of the first supporting bracket briquetting 121 is provided with two boss, the center symmetric position of the second supporting bracket briquetting 122 is provided with two grooves, the boss of the first supporting bracket briquetting 121 is corresponding with the size of the groove of the second supporting bracket briquetting 122, the first supporting bracket briquetting 121 and the second supporting bracket briquetting 122 are combined together by two screws and three screws and compacted under mould 27 respectively, and the supporting bracket briquetting concaveconvex shape on left half module and the right half module is corresponding mutually, make a left side when matched moulds, the supporting bracket briquetting on mould both sides, bottom right can corresponding matching, and shaping mechanism can close up.Therefore, and be the second supporting bracket briquetting 122 on the position of the right half module that the first supporting bracket briquetting 121 is relative on the left half module, and be the first supporting bracket briquetting 121 on the position of the right half module that the second supporting bracket briquetting 122 is relative on the left half module.
Numerical control forming machine for integrated circuit pin is introduced into the bilateral initial condition of upper and lower mould being separated to minimum spacing, cylinder piston rod indentation cylinder interior of closing up of compound die shaping mechanism when powering on operation, carry out the integrated circuit pin forming operation then, its forming process is such:
1. import the machined parameters of integrated circuit to be formed on touch-screen, system brings into operation.
2. according to the machined parameters of integrated circuit to be formed, PLC sends control signal control servomotor 16 and moves to both sides respectively by two slide blocks 14 of bidirectional helical leading screw 15 transmissions drive, the compound die base 10 that is fixed on the slide block 14 moves (pop-up 12 is slided along patrix guide rail 13) to both sides together by guide pillar 11 drive pop-ups 12 and patrix, laterally adjusts bilateral compound die between left and right apart from the station that reaches integrated circuit width to be formed.
3. after the station of width is finished, PLC sends control signal control support motor 32 drive support guide blocks 29 and moves upward, supporting bracket 26 and 29 interlocks of support guide block move upward, vertically adjust the relative position of supporting bracket 26 and following finishing die 27, make supporting bracket 26 upper surfaces and the relative distance of following finishing die 27 upper surfaces reach the station of integrated circuit pin moulding height to be formed.
4. after the station of moulding height is finished, integrated circuit to be processed is placed in the composite die, the bilateral pin root of integrated circuit just in time frame about on two supporting brackets 26, push rod 19 is under integrated circuit.
5. after integrated circuit is put well, PLC sends instruction, cylinder piston rod descends, driving patrix moves downward and the counterdie matched moulds, part among Fig. 5 and Fig. 6 moves as follows when matched moulds: pressing plate 24 descends and is pressed in the upper surface of the integrated circuit pin of frame on supporting bracket 26, upper surface securing integrated circuit pin with supporting bracket 26, shaping mould 25 continues to descend on this moment, the outside, top in supporting bracket 26 begins integrated circuit pin is carried out the first road bending operation with supporting bracket 26, when dropping to compacted under mould 27 tops, last shaping mould 25 integrated circuit pin is carried out the second road bending operation with compacted under mould 27, after the bending operation is all finished, shearing die 20 continues to descend and cuts off at the remainder of the outside of compacted under mould 27 root with integrated circuit pin, finishes cutting operation.
6. behind the cylinder pressurize certain hour, PLC send cylinder piston rod move upward instruction up and down mould divide mould.
7. after dividing mould to finish, PLC sends and ejects instruction, and push-out motor 18 transmission push rods 19 move upward, and push rod 19 runs to the position that is higher than supporting bracket 26 integrated circuit pin is peeled off from counterdie, and push rod 19 drops to initial point then.
8. the integrated circuit pin moulding is finished, and takes out integrated circuit and promptly finishes the one-shot forming operation.
Fast changeable mould of the present invention is applicable to moulding integrated circuit width M=8~72mm, moulding height A=1~6mm, shoulder breadth B=0.65~3mm, wide X=0.9~the 3mm of pin, the radius bend H=0.25~1mm of foot, all integrated circuits in shoulder radius bend G=0.2~1mm scope.