CN115921618B

CN115921618B - Mechanical processing equipment for tension balance type electronic element

Info

Publication number: CN115921618B
Application number: CN202211487071.XA
Authority: CN
Inventors: 孟令军; 刘益平; 张强; 常皓; 李海舰
Original assignee: Hangzhou Zhenlin Network Technology Co ltd
Current assignee: Hangzhou Zhenlin Network Technology Co ltd
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-07-07
Anticipated expiration: 2042-11-25
Also published as: CN115921618A

Abstract

The invention discloses mechanical processing equipment for a tension balance type electronic element, which comprises a stamping table, a stamping frame, a stamping hydraulic cylinder, a tension balance type braking force adjusting mechanism and a conduction-free vibration lifting mechanism, wherein the stamping frame is arranged between the side walls of the stamping table, the stamping hydraulic cylinder is arranged on the upper wall of the stamping frame in a penetrating way, the tension balance type braking force adjusting mechanism is arranged at two ends of the stamping table, the conduction-free vibration lifting mechanism is arranged on the bottom wall of the stamping frame, and the tension balance type braking force adjusting mechanism comprises a braking force balance rolling mechanism, an auxiliary descending mechanism, a rebound lifting mechanism and a tension scale mechanism. The invention belongs to the technical field of electronic element forming, and particularly relates to mechanical processing equipment for a tension balance type electronic element; the invention provides a mechanical processing device for a tension balance type electronic element, which can keep the descending speeds of two ends of a lead frame consistent and prevent the lead frame from shifting during bending and stamping.

Description

Mechanical processing equipment for tension balance type electronic element

Technical Field

The invention belongs to the technical field of electronic element forming, and particularly relates to mechanical processing equipment for a tension balance type electronic element.

Background

Aluminum alloy lead frames are important carriers for semiconductor devices, integrated circuit modules. In the preparation of such devices/modules, a required wafer/chip is usually fixed in a designated area of a lead frame by adopting a bonding mode or the like, and is electrically conducted by bonding a wire or arranging a jump piece or the like, and then a plastic substrate is packaged, and corresponding cutting, punching, folding and the like are performed to obtain a product.

At present, when the lead frame is bent and stamped, the existing electronic element forming equipment is inconsistent in descending speed at two ends of the lead frame, so that the lead frame is offset, the stamping precision of the lead frame is reduced, and the lead frame is scrapped.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the mechanical processing equipment for the tension balance type electronic element is provided, and aims at the problem that bending and stamping of the electronic element are easy to deviate.

The invention provides a mechanical processing device for a tension balance type electronic element, which can keep the descending speeds of two ends of a lead frame consistent and prevent the lead frame from shifting during bending and stamping.

The technical scheme adopted by the scheme is as follows: the mechanical processing equipment for the tension balance type electronic component comprises a stamping table, a stamping frame, a stamping hydraulic cylinder, a tension balance type braking force adjusting mechanism and a conduction-free vibration lifting mechanism, wherein the stamping frame is arranged between the side walls of the stamping table, the stamping hydraulic cylinder penetrates through the upper wall of the stamping frame, the tension balance type braking force adjusting mechanism is arranged at two ends of the stamping table, the conduction-free vibration lifting mechanism is arranged at the bottom wall of the stamping frame, the tension balance type braking force adjusting mechanism comprises a braking force balance rolling mechanism, an auxiliary descending mechanism, a rebound lifting mechanism and a tension scale mechanism, the braking force balance rolling mechanism is arranged on the inner walls at two ends of the stamping table, the auxiliary descending mechanism is arranged on the inner wall of the stamping table, the rebound lifting mechanism is arranged on one end of the stamping table close to the auxiliary descending mechanism, the tension scale mechanism is arranged on one side of the stamping table far away from the auxiliary descending mechanism, the conduction-free vibration lifting mechanism comprises a conduction-free stamping mechanism and an adhesion-eliminating mechanism, the conduction-free stamping mechanism is arranged on the bottom wall of the stamping table, and the adhesion-free mechanism is arranged on the side wall of the stamping table.

As a further preferred scheme, the braking force balance roller mechanism comprises a rotating block, a roller moving threaded shaft, a roller, a rubber layer, friction nuts, locking nuts, regulating grooves, threaded holes, sliding grooves, sliding rods, lifting blocks, regulating bolts, friction plates and friction sand layers, wherein the rotating blocks are symmetrically arranged on the inner walls of two ends of a stamping table in pairs, the roller moving threaded shaft is arranged between the rotating blocks, the roller is rotationally arranged on the outer side of the roller moving threaded shaft, the rubber layer is arranged on the outer side of the roller, the friction nuts are symmetrically arranged on the outer sides of the roller moving threaded shaft, the locking nuts are arranged on one side, away from the roller, of the friction nuts, the friction nuts and the locking nuts are respectively in threaded connection with the roller moving threaded shaft, the sliding grooves are symmetrically arranged on the inner walls of two sides of the stamping table, the sliding grooves are arranged at one end opening, the sliding rods are slidably arranged between the sliding grooves, the lifting blocks are arranged on one side, away from the roller, the regulating grooves are symmetrically arranged on two sides of the stamping table, the regulating grooves are through the upper walls, the regulating bolts are arranged in the threaded holes, the regulating bolts are in the side of the regulating grooves, the regulating bolts are in the threaded holes, the regulating nuts are in the side of the friction plates, the friction plates are in threaded grooves, the friction plates are in threaded connection with the friction plates, and the sliding plates are arranged on one side, and the sliding plates is arranged on the sliding plates, and is arranged on the sliding plates; the auxiliary descending mechanism comprises an auxiliary rotating shaft and auxiliary rollers, the auxiliary rotating shaft is symmetrically arranged on the inner walls of the two ends of the stamping table, and the auxiliary rollers are rotationally arranged on the outer sides of the auxiliary rotating shaft; the rebound lifting mechanism comprises rebound grooves, rebound sliding columns, lifting springs and pressing plates, wherein the rebound grooves are symmetrically arranged on the inner walls of two sides of the stamping table in pairs, each rebound groove is a cavity with one end open, each rebound sliding column is arranged on the inner wall of each rebound groove, the pressing plates are slidably arranged on the outer sides of the corresponding rebound sliding column, the lifting springs are symmetrically arranged on the upper wall and the bottom wall of each rebound groove, and one side, far away from the inner wall of each rebound groove, of each lifting spring is connected with each pressing plate; the tension scale mechanism comprises tension springs, lifting grooves, scale bars, sliding plates, lifting plates, clamping blocks, clamping screw holes, clamping bolts, lifting electromagnets and suction electromagnets, wherein the lifting grooves are symmetrically arranged on two sides of a stamping table in pairs, each lifting groove is a cavity with one end open, the scale bars are arranged on the inner walls of the lifting grooves, the sliding plates are slidably arranged on the outer sides of the scale bars, the lifting plates are arranged between the sliding plates, the tension springs are arranged on the upper walls of the lifting plates, the clamping blocks are arranged on one sides, far away from the lifting plates, of the tension springs, the clamping screw holes are symmetrically arranged on two sides of the clamping blocks, the clamping bolts are arranged inside the clamping screw holes, the clamping bolts are in threaded connection with the clamping screw holes, the lifting electromagnets are arranged on the bottom walls of the lifting plates, and the suction electromagnets are arranged on the bottom walls of the lifting grooves; stamping the lead frame of the electronic component to be stamped, placing the lead frame above a rubber layer, rotating clamping bolts, enlarging the distance between the clamping bolts, clamping blocks at two ends of the lead frame, rotating the clamping bolts to clamp the lead frame, electrifying a lifting electromagnet and a suction electromagnet to generate magnetism, setting different poles between the lifting electromagnet and the suction electromagnet, flatly pulling the lead frame on the upper wall of a roller by the suction electromagnet through the suction force of the lifting electromagnet, adjusting the rotating speed of the roller through friction nuts and locking nuts, rotating the friction nuts along a roller thread shaft to be close to the side wall of the roller, attaching the friction nuts to the side wall of the roller, rotating the locking nuts along the roller thread shaft to be close to the friction nuts, the friction nuts are fixed on the side walls of the rollers by the lock nuts, so that the lead frames are ensured to synchronously descend when descending, the phenomenon that the lead frames deviate is avoided, the stamping positions of the lead frames are misplaced and scrapped, the stamping hydraulic cylinders stretch to push the lead frames to descend, the bottom wall of the lead frames rotationally descends through the rollers under the anti-slip action of the rubber layers, the rotation speeds of the rollers at the two ends of the stamping table are kept constant, the two sides of the lead frames synchronously descend, bending occurs in the descending process of the lead frames, the bottom wall of the lead frames is contacted with the pressing plate, the pressing plate deforms through the lifting springs to descend along the scale bars, the lead frames stretch the tension springs through the clamping blocks, the lifting plates ascend along the scale bars through the sliding plates, the lead frames are kept at the horizontal positions without deviation, the lead frame is rotated and lowered to the bottom of the stamping table along the auxiliary roller to perform stamping operation.

Preferably, the conduction-free stamping mechanism comprises a suction groove, a fixed magnet, a damping spring, a bottom stamping plate, a top stamping plate and a stable magnet, wherein a plurality of groups of suction grooves are formed in the bottom wall of the stamping table, the suction groove is formed in an upper end opening, the fixed magnet is formed in the bottom wall of the suction groove, the damping spring is formed in the bottom wall of the stamping table, the bottom stamping plate is arranged on one side, far away from the bottom wall of the stamping table, of the damping spring, the top stamping plate is arranged at the power end of the stamping hydraulic cylinder, a plurality of groups of stable magnets are formed in the bottom wall of the bottom stamping plate, the fixed magnet is arranged opposite to the stable magnet, and the fixed magnet and the stable magnet are arranged in different poles; the adhesion eliminating mechanism comprises a vibrator and a vibrating rod, wherein the vibrator is symmetrically arranged on two sides of the stamping table, and the vibrating rod is arranged between the power end of the vibrator and the side wall of the bottom stamping plate; the punching hydraulic cylinder stretches to drive the top punch plate to be in contact with the upper wall of the lead frame, the punching hydraulic cylinder continuously stretches to drive the bottom wall of the lead frame to be in contact with the upper wall of the bottom punch plate, the bottom punch plate is in contact with the bottom wall of the punching table through deformation of the vibration reduction spring, the top punch plate compacts and punches the lead frame, adhesion between the lead frame and the bottom punch plate is avoided after punching, the power end of the vibrator drives the vibration rod to vibrate, the vibration rod vibrates the bottom punch plate to enable the lead frame to be separated from the die, lateral movement of the vibration reduction spring in a long-term extrusion process is avoided, the fixed magnet and the stable magnet rectify and place the vibration reduction spring through relative attraction, and meanwhile, after the lead frame is reset along with deformation of the lifting spring to drive the pressing plate to ascend, rebound impact of the vibration reduction spring is reduced, and the vibration reduction spring is prevented from rebounding to drive the bottom punch plate to impact the lead frame.

Specifically, the side wall of the stamping table is provided with a controller.

The controller is electrically connected with the stamping hydraulic cylinder, the vibrator, the lifting electromagnet and the suction electromagnet respectively.

Preferably, the controller is of the type SYC89C52RC-401.

The beneficial effect that this scheme of adoption above-mentioned structure obtained is as follows:

compared with the prior art, the two-side tension maintaining structure can effectively ensure that the lead frame does not deviate in the descending and stamping process, the stamping precision of the lead frame is improved, the clamping bolts are rotated, the distance between the clamping bolts is enlarged, the clamping blocks are clamped at two ends of the lead frame, the lead frame is clamped by the clamping bolts, the lead frame stretches the tension springs through the clamping blocks, the tension springs drive the lifting plates to rise, and the lifting plates rise along the scale bars through the sliding plates, so that the lead frame is kept at the horizontal position and does not deviate;

secondly, when the lead frame descends, the descending speed of the two ends of the lead frame is kept consistent by adjusting the rotating speed of the roller, the friction nut rotates along the roller threaded shaft to be close to the side wall of the roller, the friction nut is attached to the side wall of the roller, the locking nut rotates along the roller threaded shaft to be close to the friction nut, the locking nut fixes the friction nut on the side wall of the roller, the two sides of the lead frame are synchronously descended when the lead frame descends, and therefore the phenomenon that the lead frame deviates is avoided, and the punching position of the lead frame is misplaced and scrapped;

finally, under the mutually supporting use of rising resilience mechanism and resilience buffer gear, accomplish the rising after the lead frame punching press, and avoid damping spring to drive the bottom punch plate to kick-back and collide the phenomenon to the lead frame after the punching press, fixed magnet and firm magnet correct the damping spring through looks suction and place, simultaneously, after the lead frame is reset along with lifting spring deformation and is driven the clamp plate to rise, reduce damping spring's rebound impact, avoid damping spring rebound to drive the bottom punch plate to strike the lead frame.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present solution;

FIG. 2 is a perspective view of the present solution;

FIG. 3 is a schematic diagram of an exploded structure of the present solution;

FIG. 4 is an oblique view of FIG. 3;

FIG. 5 is a front view of the present solution;

FIG. 6 is a side view of the present solution;

FIG. 7 is a top view of the present solution;

FIG. 8 is a partial cross-sectional view of portion A-A of FIG. 7;

FIG. 9 is a partial cross-sectional view of B-B of FIG. 7;

FIG. 10 is an enlarged schematic view of the portion A of FIG. 10;

FIG. 11 is an enlarged schematic view of the portion B of FIG. 11;

FIG. 12 is an enlarged schematic view of the portion C of FIG. 12;

fig. 13 is an enlarged schematic view of the portion D of fig. 13.

Wherein 1, punching table, 2, punching frame, 3, punching hydraulic cylinder, 4, tension balance type braking force adjusting mechanism, 5, braking force balance roller mechanism, 6, rotating block, 7, roller moving screw shaft, 8, roller, 9, rubber layer, 10, friction nut, 11, lock nut, 12, adjusting groove, 13, threaded hole, 14, chute, 15, slide bar, 16, lifting block, 17, auxiliary descending mechanism, 18, auxiliary rotating shaft, 19, auxiliary roller, 20, rebound lifting mechanism, 21, rebound groove, 22, rebound slide column, 23, lifting spring, 24, pressing plate, 25, tension scale mechanism, 26, tension spring, 27, lifting groove, 28, scale bar, 29, slide plate, 30, lifting plate, 31, clamping block, 32, clamping screw hole, 33, clamping bolt, 34, conduction-free vibration lifting mechanism, 35, conduction-free punching mechanism, 36, suction groove, 37, fixed magnet, 38, vibration damping spring, 39, bottom plate, 40, top plate, 41, eliminating mechanism, 42, lifting plate, 24, pressing plate, 25, tension scale mechanism, 26, tension spring, 27, lifting groove, 30, clamping bolt, 33, clamping bolt, 34, conduction-free vibration lifting mechanism, 36, suction force, vibration plate, 43, 48, electromagnet, friction plate, 48, friction plate, 50.

The accompanying drawings are included to provide a further understanding of the present disclosure and are incorporated in and constitute a part of this disclosure, illustrate and do not limit the disclosure.

Detailed Description

The technical solutions in the embodiments of the present solution will be clearly and completely described below with reference to the drawings in the embodiments of the present solution, and it is apparent that the described embodiments are only some embodiments of the present solution, but not all embodiments; all other embodiments, based on the embodiments in this solution, which a person of ordinary skill in the art would obtain without inventive faculty, are within the scope of protection of this solution.

In the description of the present embodiment, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate orientation or positional relationships based on those shown in the drawings, merely to facilitate description of the present embodiment and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the present embodiment.

As shown in fig. 1-13, the mechanical processing device for a tension balance type electronic component provided by the scheme comprises a punching table 1, a punching frame 2, a punching hydraulic cylinder 3, a tension balance type braking force adjusting mechanism 4 and a conduction-free vibration lifting mechanism 34, wherein the punching frame 2 is arranged between the side walls of the punching table 1, the punching hydraulic cylinder 3 penetrates through the upper wall of the punching frame 2, the tension balance type braking force adjusting mechanism 4 is arranged at the two ends of the punching table 1, the conduction-free vibration lifting mechanism 34 is arranged at the bottom wall of the punching frame 2, the tension balance type braking force adjusting mechanism 4 comprises a braking force balance roller mechanism 5, an auxiliary lifting mechanism 17, a rebound lifting mechanism 20 and a tension scale mechanism 25, the braking force balance roller mechanism 5 is arranged at the inner walls at the two ends of the punching table 1, the auxiliary lifting mechanism 17 is arranged at the inner wall of the punching table 1, the rebound lifting mechanism 20 is arranged at the inner wall of one end of the punching table 1, which is close to the auxiliary lifting mechanism 17, the tension scale mechanism 25 is arranged at one side of the punching table 1, which is far away from the auxiliary lifting mechanism 17, the conduction-free vibration lifting mechanism 34 is arranged at the bottom wall of the punching table 1, the vibration lifting mechanism 35 is arranged at the side wall of the punching table 1, and the conduction-free lifting mechanism is eliminated, and the vibration lifting mechanism 41 is arranged at the bottom wall 41.

The braking force balance roller mechanism 5 comprises rotating blocks 6, a roller moving threaded shaft 7, a roller 8, a rubber layer 9, friction nuts 10, locking nuts 11, adjusting grooves 12, threaded holes 13, sliding grooves 14, sliding rods 15, lifting blocks 16, adjusting bolts 45, friction plates 49 and friction sand layers 50, wherein the rotating blocks 6 are symmetrically arranged on the inner walls of two ends of a stamping table 1 in pairs, the roller moving threaded shaft 7 is arranged between the rotating blocks 6, the roller 8 is rotationally arranged on the outer side of the roller moving threaded shaft 7, the rubber layer 9 is arranged on the outer side of the roller 8, the friction nuts 10 are symmetrically arranged on the outer side of the roller moving threaded shaft 7 on two sides of the roller 8, the locking nuts 11 are arranged on one side, far away from the roller 8, of the friction nuts 10, the friction nuts 10 and the locking nuts 11 are respectively in threaded connection with the roller moving threaded shaft 7, the sliding grooves 14 are symmetrically arranged on the inner walls of two sides of the stamping table 1, the sliding grooves 14 are arranged in one end opening, the sliding rods 15 are slidingly arranged between the sliding grooves 14, the lifting blocks 16 are arranged on one side, far away from the roller 8, the adjusting grooves 12 are symmetrically arranged on two sides of the stamping table 12, the adjusting grooves 12 are rotationally arranged on the two sides of the adjusting grooves 12, the threaded holes 12 are in the side, the threaded holes are 45 are arranged on the side, which is far away from the 45, 45 is connected with the sliding rods, the threaded holes are 45 are arranged on the side of the sliding rods, 45 are connected with the sliding rods, the friction nuts are 45, the threaded holes are 45 are arranged on the inner walls, and are 45, and are respectively; the auxiliary descending mechanism 17 comprises an auxiliary rotating shaft 18 and auxiliary rollers 19, the auxiliary rotating shaft 18 is symmetrically arranged on the inner walls of the two ends of the stamping table 1, and the auxiliary rollers 19 are rotatably arranged on the outer sides of the auxiliary rotating shaft 18; the rebound lifting mechanism 20 comprises rebound grooves 21, rebound slide columns 22, lifting springs 23 and pressing plates 24, wherein the rebound grooves 21 are symmetrically arranged on the inner walls of two sides of the stamping table 1 in pairs, the rebound grooves 21 are cavities with one ends open, the rebound slide columns 22 are arranged on the inner walls of the rebound grooves 21, the pressing plates 24 are slidably arranged on the outer sides of the rebound slide columns 22, the lifting springs 23 are symmetrically arranged on the upper walls and the bottom walls of the rebound grooves 21, and one sides, far away from the inner walls of the rebound grooves 21, of the lifting springs 23 are connected with the pressing plates 24; the tension scale mechanism 25 comprises a tension spring 26, a lifting groove 27, a scale bar 28, a sliding plate 29, a lifting plate 30, a clamping block 31, clamping screw holes 32, clamping bolts 33, lifting electromagnets 46 and suction electromagnets 47, wherein the lifting grooves 27 are symmetrically arranged on two sides of the stamping table 1 in pairs, the lifting groove 27 is a cavity with one end open, the scale bar 28 is arranged on the inner wall of the lifting groove 27, the sliding plate 29 is slidably arranged on the outer side of the scale bar 28, the lifting plate 30 is arranged between the sliding plates 29, the tension spring 26 is arranged on the upper wall of the lifting plate 30, the clamping block 31 is arranged on one side, far away from the lifting plate 30, of the tension spring 26, the clamping screw holes 32 are symmetrically arranged on two sides of the clamping block 31, the clamping bolts 33 are arranged inside the clamping screw holes 32, the clamping bolts 33 are in threaded connection with the clamping screw holes 32, the lifting electromagnets 46 are arranged on the bottom wall of the lifting plate 30, and the suction electromagnets 47 are arranged on the bottom wall of the lifting groove 27. Stamping the lead frame of the electronic component to be stamped, placing the lead frame above the rubber layer 9, rotating the clamping bolts 33, expanding the distance between the clamping bolts 33, clamping the clamping blocks 31 to the two ends of the lead frame, rotating the clamping bolts 33 to clamp the lead frame, electrifying the lifting electromagnet 46 and the suction electromagnet 47 to generate magnetism, setting the opposite poles between the lifting electromagnet 46 and the suction electromagnet 47, flatly pulling the lead frame on the upper wall of the roller 8 by the suction force of the lifting electromagnet 46 through the suction electromagnet 47, adjusting the rotation speed of the roller 8 through the friction nuts 10 and the locking nuts 11, rotating the friction nuts 10 along the roller threaded shafts 7 to be close to the side wall of the roller 8, attaching the friction nuts 10 to the side wall of the roller 8, the lock nut 11 is rotated, the lock nut 11 rotates along the rolling threaded shaft 7 to be close to the friction nut 10, the lock nut 11 fixes the friction nut 10 on the side wall of the roller 8, the lead frame is ensured to synchronously descend at two sides when descending, the phenomenon that the lead frame is deviated is avoided, the punching position of the lead frame is misplaced and scrapped, the punching hydraulic cylinder 3 stretches to push the lead frame to descend, the bottom wall of the lead frame rotationally descends through the roller 8 under the anti-skid effect of the rubber layer 9, the rotation speed of the roller 8 at two ends of the punching table 1 is kept constant, the two sides of the lead frame synchronously descend, bending occurs in the descending process of the lead frame, the bottom wall of the lead frame is contacted with the pressing plate 24, the pressing plate 24 deforms through the lifting spring 23 to descend along the scale bar 28, the lead frame stretches the tension spring 26 through the clamping block 31, the tension spring 26 drives the lifting plate 30 to ascend, the lifting plate 30 is lifted up along the scale bar 28 by the slide plate 29 to keep the lead frame at the horizontal position without deviation, and the lead frame is rotated along the auxiliary roller 19 to descend to the bottom of the stamping table 1 for stamping operation.

The conduction-free stamping mechanism 35 comprises a suction groove 36, a fixed magnet 37, a damping spring 38, a bottom stamping plate 39, a top stamping plate 40 and a stable magnet 48, wherein a plurality of groups of suction grooves 36 are formed in the bottom wall of the stamping table 1, the suction groove 36 is formed in an upper end opening mode, the fixed magnet 37 is formed in the bottom wall of the suction groove 36, the damping spring 38 is formed in the bottom wall of the stamping table 1, the bottom stamping plate 39 is formed in one side, away from the bottom wall of the stamping table 1, of the damping spring 38, the top stamping plate 40 is arranged at the power end of the stamping hydraulic cylinder 3, a plurality of groups of stable magnets 48 are formed in the bottom wall of the bottom stamping plate 39, the fixed magnets 37 are arranged opposite to the stable magnets 48, and the fixed magnets 37 and the stable magnets 48 are arranged in opposite directions; the adhesion eliminating mechanism 41 comprises a vibrator 42 and a vibrating rod 43, wherein the vibrator 42 is symmetrically arranged on two sides of the stamping table 1, and the vibrating rod 43 is arranged between the power end of the vibrator 42 and the side wall of the bottom stamping plate 39; the punching hydraulic cylinder 3 stretches to drive the top punch 40 to be in contact with the upper wall of the lead frame, the punching hydraulic cylinder 3 stretches continuously to drive the bottom wall of the lead frame to be in contact with the upper wall of the bottom punch 39, the bottom punch 39 is in contact with the bottom wall of the punching table 1 through deformation of the damping spring 38, the top punch 40 compacts and punches the lead frame, adhesion between the lead frame and the bottom punch 39 is avoided after punching, the power end of the vibrator 42 drives the vibrating rod 43 to vibrate, the vibrating rod 43 vibrates the bottom punch 39 to enable the lead frame to be separated from a die, the fixed magnet 37 and the stable magnet 48 conduct correction and placement on the damping spring 38 through relative suction force in order to avoid the fact that the damping spring 38 is laterally moved in a long-term extrusion process, and meanwhile, after the lead frame is reset along with deformation of the lifting spring 23 to drive the pressing plate 24 to ascend, rebound impact of the damping spring 38 is reduced, and rebound of the damping spring 38 is avoided to rebound to drive the bottom punch 39 to impact the lead frame.

The side wall of the stamping table 1 is provided with a controller 44.

The controller 44 is electrically connected with the stamping hydraulic cylinder 3, the vibrator 42, the lifting electromagnet 46 and the suction electromagnet 47 respectively.

The controller 44 is of the type SYC89C52RC-401.

When the electronic component lead frame is specifically used, in the first embodiment, the lead frame of the electronic component to be punched is punched, the lead frame is placed above the rubber layer 9, the clamping bolts 33 are rotated, the distance between the clamping bolts 33 is enlarged, the clamping blocks 31 are clamped to two ends of the lead frame, and the clamping bolts 33 are rotated to clamp the lead frame.

Specifically, the controller 44 controls the lifting electromagnet 46 and the suction electromagnet 47 to be electrified, magnetism is generated when the lifting electromagnet 46 and the suction electromagnet 47 are electrified, the lifting electromagnet 46 and the suction electromagnet 47 are arranged in different poles, the suction electromagnet 47 adsorbs the lifting plate 30 through the suction force of the lifting electromagnet 46, the lifting plate 30 pulls the lead frame flatly on the upper wall of the roller 8 through the clamping block 31 under the tension force of the tension spring 26, the controller 44 controls the current values which are fed into the lifting electromagnet 46 and the suction electromagnet 47 on two sides of the stamping table 1 to be consistent, then, the rotating speed of the roller 8 is adjusted through the friction nut 10 and the locking nut 11, the friction nut 10 rotates along the rolling threaded shaft 7 to be close to the side wall of the roller 8, the friction nut 10 is attached to the side wall of the roller 8, the locking nut 11 rotates along the rolling threaded shaft 7 to be close to the friction nut 10, the friction nut 11 fixes the friction nut 10 on the side wall of the roller 8, the lead frame is ensured to synchronously move on two sides when the lead frame descends, and therefore the phenomenon that the stamping position of the lead frame is offset is avoided, and the lead frame is scrapped is caused.

In the second embodiment, based on the above embodiment, the controller 44 controls the punching hydraulic cylinder 3 to start, the punching hydraulic cylinder 3 stretches to drive the top punch plate 40 to contact with the upper wall of the lead frame, the punching hydraulic cylinder 3 stretches to push the lead frame to descend, the bottom wall of the lead frame rotates and falls through the roller 8 under the anti-slip action of the rubber layer 9, the rotation speed of the roller 8 at two ends of the punching table 1 is kept constant, two sides of the lead frame synchronously descend, bending occurs in the descending process of the lead frame, the bottom wall of the lead frame contacts with the pressing plate 24, the pressing plate 24 descends to a height along the scale rod 28 through deformation of the lifting spring 23, the lead frame stretches out the tension spring 26 through the clamping block 31, the tension spring 26 drives the lifting plate 30 to ascend to a height along the scale rod 28 through the sliding plate 29, when the scale rods 28 at two sides of the punching table 1 are at the same scale positions, the positions of the lead frame do not deviate, the lead frame rotates and descends to the bottom of the punching table 1 along the auxiliary roller 19 to punch, the punching hydraulic cylinder 3 stretches out the top punch plate 39 to continuously contact with the bottom wall of the lead frame 40 through the lifting plate 39, and the bottom wall of the lead frame is contacted with the bottom punch plate 40 after the bottom wall of the lead frame is punched by the lifting plate 40, and the bottom wall of the lead frame is pressed by the lifting plate is contacted with the punch plate 40;

after stamping, the controller 44 controls the stamping hydraulic cylinder 3 to shorten, in order to avoid adhesion between the lead frame and the bottom stamping plate 39, the controller 44 controls the vibrator 42 to start, the power end of the vibrator 42 drives the vibrating rod 43 to vibrate, the vibrating rod 43 vibrates the bottom stamping plate 39 to separate the lead frame from the die, the stamped lead frame drives the lead frame to rise through the pressing plate 24 under the elastic reset action of the lifting spring 23, in order to avoid lateral movement of the damping spring 38 in the long-term extrusion process, the fixed magnet 37 and the stable magnet 48 correct and place the damping spring 38 through relative attraction force, and meanwhile, after the lead frame is reset along with deformation of the lifting spring 23 to drive the pressing plate 24 to rise, the rebound impact force of the damping spring 38 is reduced, and the rebound of the damping spring 38 is prevented from driving the bottom stamping plate 39 to impact the lead frame;

under the long-time friction between the lead frame and the rubber layer 9, the surface of the rubber layer 9 is smooth, so that the friction coefficient between the lead frame and the rubber layer 9 is reduced, at the moment, the adjusting bolt 45 is rotated and lifted along the threaded hole 13, the adjusting bolt 45 drives the sliding rod 15 to slide and lift up along the sliding groove 14, the sliding rod 15 drives the friction sand layer 50 to be attached to the rubber layer 9 through the friction plate 49, the smooth layer on the surface of the rubber layer 9 is ground, and the friction coefficient between the rubber layer 9 and the lead frame is maintained; repeating the above operation when using next time.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present solution have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations may be made to these embodiments without departing from the principles and spirit of the solution, the scope of which is defined in the appended claims and their equivalents.

The present embodiment and the embodiments thereof have been described above with no limitation, and the embodiment shown in the drawings is merely one of the embodiments of the present embodiment, and the actual structure is not limited thereto. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the technical solution.

Claims

1. The utility model provides a balanced formula of pulling force machining equipment for electronic component, includes stamping station (1), punching press frame (2), punching press pneumatic cylinder (3), its characterized in that: the automatic punching machine further comprises a tension balance type braking force adjusting mechanism (4) and a conduction-free vibration lifting mechanism (34), wherein the punching frame (2) is arranged between the side walls of the punching table (1), the punching hydraulic cylinder (3) penetrates through the upper wall of the punching frame (2), the tension balance type braking force adjusting mechanism (4) is arranged at two ends of the punching table (1), the conduction-free vibration lifting mechanism (34) is arranged at the bottom wall of the punching frame (2), the tension balance type braking force adjusting mechanism (4) comprises a braking force balance roller mechanism (5), an auxiliary descending mechanism (17), a rebound lifting mechanism (20) and a tension scale mechanism (25), the braking force balance roller mechanism (5) is arranged at the inner walls at two ends of the punching table (1), the auxiliary descending mechanism (17) is arranged at the inner wall of the punching table (1), the rebound lifting mechanism (20) is arranged at the inner wall of one end of the punching table (1) close to the auxiliary descending mechanism (17), the tension scale mechanism (25) is arranged at one side of the punching table (1) far away from the auxiliary descending mechanism (17), the conduction-free vibration lifting mechanism (35) is arranged at the side of the pressing table (35), the conduction-free vibration lifting mechanism (35) is arranged between the punching table (1), the adhesion eliminating mechanism (41) is arranged on the side wall of the stamping table (1);

the braking force balance rolling mechanism (5) comprises rotating blocks (6), rolling threaded shafts (7), rollers (8), rubber layers (9), friction nuts (10), locking nuts (11), adjusting grooves (12), threaded holes (13), sliding grooves (14), sliding rods (15), lifting blocks (16), adjusting bolts (45), friction plates (49) and friction sand layers (50), wherein the rotating blocks (6) are symmetrically arranged on inner walls at two ends of a stamping table (1) in pairs, and the rolling threaded shafts (7) are arranged between the rotating blocks (6);

the roller (8) is rotationally arranged at the outer side of the roller moving threaded shaft (7), the rubber layer (9) is arranged at the outer side of the roller (8), the friction nuts (10) are symmetrically arranged at the outer sides of the roller moving threaded shaft (7) at two sides of the roller (8), the lock nuts (11) are arranged at one side, far away from the roller (8), of the friction nuts (10), the friction nuts (10) and the lock nuts (11) are respectively in threaded connection with the roller moving threaded shaft (7), and the sliding grooves (14) are symmetrically arranged at the inner walls at two sides of the stamping table (1);

the automatic grinding machine is characterized in that the sliding grooves (14) are arranged with one ends open, the sliding rods (15) are arranged between the sliding grooves (14) in a sliding manner, the lifting blocks (16) are arranged on one side, far away from the roller (8), of the sliding rods (15), the adjusting grooves (12) are symmetrically arranged on two sides of the punching table (1), the adjusting grooves (12) are arranged in a penetrating manner, the threaded holes (13) are formed in the upper walls of the adjusting grooves (12), the adjusting bolts (45) are arranged in the threaded holes (13), the adjusting bolts (45) are in threaded connection with the threaded holes (13), one side, far away from the adjusting grooves (12), of each adjusting bolt (45) is rotationally arranged on the bottom wall of the lifting block (16), the friction plate (49) is arranged on the upper wall of the sliding rods (15), and the friction sand layer (50) is arranged on the upper wall of the friction plate (49);

the auxiliary descending mechanism (17) comprises an auxiliary rotating shaft (18) and auxiliary rollers (19), the auxiliary rotating shaft (18) is symmetrically arranged on the inner walls of the two ends of the stamping table (1), and the auxiliary rollers (19) are rotatably arranged on the outer sides of the auxiliary rotating shaft (18);

the rebound lifting mechanism (20) comprises rebound grooves (21), rebound slide columns (22), lifting springs (23) and pressing plates (24), wherein the rebound grooves (21) are symmetrically arranged on the inner walls of two sides of the punching table (1) in pairs, each rebound groove (21) is a cavity with one end open, each rebound slide column (22) is arranged on the inner wall of each rebound groove (21), the pressing plates (24) are slidably arranged on the outer sides of the rebound slide columns (22), the lifting springs (23) are symmetrically arranged on the upper wall and the bottom wall of each rebound groove (21), and one side, far away from the inner wall of each rebound groove (21), of each lifting spring (23) is connected with the pressing plate (24);

the tension scale mechanism (25) comprises a tension spring (26), a lifting groove (27), scale bars (28), a sliding plate (29), a lifting plate (30), a clamping block (31), a clamping screw hole (32), a clamping bolt (33), lifting electromagnets (46) and suction electromagnets (47), wherein the lifting groove (27) is symmetrically arranged on two sides of the stamping table (1) in pairs, the lifting groove (27) is a cavity with one open end, the scale bars (28) are arranged on the inner wall of the lifting groove (27), and the sliding plate (29) is arranged on the outer side of the scale bars (28) in a sliding manner;

the lifting plate (30) is arranged between the sliding plates (29), the tension spring (26) is arranged on the upper wall of the lifting plate (30), the clamping block (31) is arranged on one side, far away from the lifting plate (30), of the tension spring (26), the clamping screw holes (32) are symmetrically arranged on two sides of the clamping block (31), the clamping bolts (33) are arranged in the clamping screw holes (32), the clamping bolts (33) are in threaded connection with the clamping screw holes (32), the lifting electromagnet (46) is arranged on the bottom wall of the lifting plate (30), and the suction electromagnet (47) is arranged on the bottom wall of the lifting groove (27);

the conduction-free stamping mechanism (35) comprises a suction groove (36), a fixed magnet (37), a damping spring (38), a bottom stamping plate (39), a top stamping plate (40) and a stable magnet (48), wherein a plurality of groups of suction grooves (36) are formed in the bottom wall of the stamping table (1), the suction groove (36) is formed in an upper end opening, the fixed magnet (37) is formed in the bottom wall of the suction groove (36), the damping spring (38) is formed in the bottom wall of the stamping table (1), the bottom stamping plate (39) is formed in one side, far away from the bottom wall of the stamping table (1), of the damping spring (38), the top stamping plate (40) is formed in the power end of the stamping hydraulic cylinder (3), a plurality of groups of stable magnets (48) are formed in the bottom wall of the stamping plate (39), the fixed magnet (37) and the stable magnet (48) are oppositely arranged, and the fixed magnet (37) and the stable magnet (48) are arranged in different poles;

the adhesion elimination mechanism (41) comprises a vibrator (42) and a vibrating rod (43), wherein the vibrator (42) is symmetrically arranged on two sides of the stamping table (1), and the vibrating rod (43) is arranged between the power end of the vibrator (42) and the side wall of the bottom stamping plate (39).