CN202367345U

CN202367345U - a wire machine

Info

Publication number: CN202367345U
Application number: CN2011204459028U
Authority: CN
Inventors: 朱沛隽; 何强
Original assignee: GUANGDONG SOUTH HONGMING ELECTRONIC SCIENCE AND TECHNOLOGY CO LTD
Current assignee: GUANGDONG SOUTH HONGMING ELECTRONIC SCIENCE AND TECHNOLOGY CO LTD
Priority date: 2011-11-12
Filing date: 2011-11-12
Publication date: 2012-08-08
Anticipated expiration: 2021-11-12

Abstract

The utility model relates to a wire punching machine, which comprises a power device, a transmission device, a wire clamping device and a film conveying device. The wire clamping device comprises a mounting frame, a fixed clamping block, a movable clamping block, a slide rail, a slideway, a push rod, a preload spring, a clamping block deflection wheel, a slide rail deflection wheel and a transmission shaft, the slideway, wherein the fixed clamping block is fixedly mounted on the slide rail, the slide rail is clamped on the slideway and can slide on the slideway, and the slide rail slides along the slideway under the driving of the slide rail deflection wheel; the movable clamping block is hinged on the fixed clamping block, a wire clamping groove is provided at the front end of the hinge shaft of the fixed clamping block and the movable clamping block, and a preload spring is provided at the rear end of the hinge shaft of the fixed clamping block and the movable clamping block. The wire clamping device of the wire punching machine clamps the metal wire by presetting the clamping force of the preload spring, and the clamping force is stable, and the metal wire will not be damaged by clamping, thereby ensuring the quality of the product to be processed.

Description

A kind of wire bonder

Technical field

The utility model relates to the electronic component pin routing device, refers in particular to a kind of wire bonder here.

Background technology

Electronic component generally all is provided with 2-3 pin, and these pins generally adopt the wire lead-in wire moulding of lopping in process engineering, and the routing moulding is also cut off, and carries out technologies such as inserted sheet.These pins generally adopt the wire lead-in wire moulding of lopping in process engineering, at the body of assembling electronic element, and carry out welding fabrication, adopt wire bonder aborning.The wire-clamping device of tradition wire bonder, it decides fixture block, push rod, spring and cam, is deciding to be provided with slide opening on the fixture block, and the push rod front end is placed in the slide opening; The push rod outer end with decide fixture block and be provided with spring, cam arrangement push rod outer end is through the cam eccentric motion; The overhead push rod moves to deciding fixture block, thereby clamps wire, when cam departs from push rod; Under the spring force effect, push rod slides outward, unclamps wire.The wire-sending device of the cam of this structure, because cam roof pressure power is very big, there when adjustment, have a little to be improper, will be easy to crush lead-in wire wiry, thereby influence product quality.

Wire bonder power set on the market in addition adopt fixed motor frequently, and speed Control is inconvenience comparatively, and driving shaft generally adopts the clutch gear structure, and are steady inadequately in transmission, cause board to rock easily, are not easy to speed change and transfer machine.

Summary of the invention

The utility model is not enough to prior art, provide a kind of comparatively steadily and the power set of wire bonder that can the speed change debugging.

For solving the problems of the technologies described above, the utility model adopts following technical scheme:

A kind of wire bonder; It comprises power set, conveyer, wire-clamping device and film conveying device; Wherein power set comprise motor and transmission mechanism, and motor is that wire bonder provides power, and wire-clamping device comprises installing rack, decides fixture block, moves fixture block, slide rail, slideway, push rod, pre-compressed spring, fixture block eccentric wheel, slide rail eccentric wheel and power transmission shaft; Slideway, power transmission shaft are installed on the installing rack; Wherein decide fixture block and be fixedly mounted on the slide rail, slide rail is fastened on the slideway and slideway slip again, and slide rail slides at the drive lower edge slideway that transmits at the slide rail eccentric wheel; Decide hinged moving fixture block on the fixture block, be provided with the clamp groove at the jointed shaft front end of deciding fixture block and moving fixture block, be provided with pre-compressed spring in the jointed shaft rear end of deciding fixture block and moving fixture block, pre-compressed spring has two rows or many rows; Be provided with push rod in moving fixture block upper end, drive push rod by the fixture block eccentric wheel, the moving fixture block of push rod control opens and closes with the clamp groove of deciding fixture block.

Described fixture block eccentric wheel is installed in the power transmission shaft of power set; On the fixture block eccentric wheel, be provided with connecting rod, the hinge bar of the hinged installation of peripheral hardware on installing rack, hinge bar one end connects connecting rod; The hinge bar other end connects push rod; By the eccentric wheel eccentric motion, drive push rod and move up and down, thus moving fixture block of control and the switching of deciding the clamp groove of fixture block.

Described push rod becomes T shape, and moving fixture block and push rod contact-making surface are provided with the slip limited block, and the slip limited block will move on the sliding surface that fixture block is limited to T shape push rod and slide.

Described slide rail eccentric wheel passes through a linking arm and decides fixture block hinged, and the slide rail eccentric wheel is under eccentric motion drives, and fixture block is decided in drive and slide rail slides on slideway.

The motor of power set adopts variable-frequency motor, and is provided with the adjusting microinching controller, between motor and transmission mechanism, is provided with clutch.Motor drives transmission mechanism through chain drive; Its transmission mechanism also comprises driving shaft, second power transmission shaft, the 3rd power transmission shaft, gear graduation transmission group, gear train driving shaft, gear train driven shaft and inserted sheet driving shaft; Driving shaft drives through link chain mechanism of driven by motor; The driving shaft and second power transmission shaft drive through a pair of angular wheel that cooperatively interacts on them that is installed in, and the 3rd power transmission shaft drives through peripheral hardware chain drive on second power transmission shaft, also is provided with chain drive driven gear group driving shaft at the 3rd power transmission shaft; Gear graduation group driven gear group driven shaft, the gear train driven shaft drives the inserted sheet driving shaft through a chain drive structure; Driving shaft is provided with a chain drive and drives clamp mechanism, and the 3rd power transmission shaft drives the routing device, and chain drive of inserted sheet driving shaft peripheral hardware drives film conveying device.

[0011]Described film conveying device comprises transmission mechanism, follower and film trasport portion; Transmission mechanism by bearing, be arranged on the eccentric wheel on the bearing and the drive link that is connected on the eccentric wheel is formed; This transmission mechanism is connected with follower through drive link; Described follower comprises track base, be arranged on the slide block that is connected with drive link on the track base, be arranged on the guide rail bracket on the slide block and be arranged on the contiguous block on the guide rail bracket; Track base is provided with the film trasport guide rail, and this contiguous block is provided with the roller that is connected with the film trasport guide rail, and the upper surface of the periphery of described roller and film trasport guide rail is tangent;

Film trasport portion is installed on the contiguous block.

Described eccentric wheel is arranged on track base one side, and this track base comprises two stands and is set in parallel in the transmission guide rod composition between two stands.

Described guide rail bracket is made up of with the connector that is connected film trasport guide rod upper end the two film trasport guide rods that are vertically set on the slide block, and described contiguous block is slidingly connected on the film trasport guide rod.

Described film trasport portion comprises film transport rack and is arranged at least one the suction nozzle on the film transport rack; The end that this film transport rack is provided with suction nozzle is vertical each other with the material direction of feed; Its other end is installed on the contiguous block, is connected with air intake duct on the suction nozzle, and respectively this suction nozzle equidistance is arranged on the film transport rack.

The utility model beneficial effect is: the wire-clamping device of wire bonder clamps wire through the preset clamping force of pre-compressed spring, and clamping force stability can not pressed from both sides bad wire, guarantees the quality of processed product.Motor adopts variable-frequency motor, makes speed governing and speed change become very easy, and variable-frequency motor adopts the adjusting microinching controller, can make things convenient for crawl control transmission mechanism to rotate, and with convenient debugging, and whole power transmits very steadily.Film conveying device adopts slide block to match with transmission guide rod, makes the feeding process more smooth and easy steadily.

Description of drawings

Fig. 1 is the overall schematic of wire bonder;

Fig. 2 is the transmission mechanism sketch map of wire bonder;

Fig. 3 is the wire-clamping device sketch map of wire bonder;

Fig. 4 is another visual angle sketch map of the wire-clamping device of wire bonder;

Fig. 5 is the sketch map of the film conveying device of wire bonder;

Fig. 6 is the film trasport sketch map partly of the film conveying device of wire bonder.

The specific embodiment

See illustrated in figures 1 and 2, the disclosed a kind of wire bonder of the utility model, it comprises power set, conveyer, routing device, wire-clamping device 10 and film conveying device 20; Wherein power set comprise motor 30 and transmission mechanism 40; Motor 30 is for wire bonder provides power, and transmission mechanism 40 drives wire-clamping device 10, routing device and film conveying device 20 and rotates, and described motor 30 adopts variable-frequency motor; And be provided with the adjusting microinching controller, between motor 30 and transmission mechanism 40, be provided with clutch 41.

See shown in Figure 2; Motor 30 drives transmission mechanism 60 through chain drive; Its transmission mechanism 60 also comprises driving shaft 63, second power transmission shaft 64, the 3rd power transmission shaft 65, gear graduation transmission group 62, gear train driving shaft 66, gear train driven shaft 67 and inserted sheet driving shaft 68; Driving shaft 63 drives a link chain mechanism 69 through motor 30 and drives; The driving shaft 63 and second power transmission shaft 64 drive through a pair of angular wheel that cooperatively interacts on them that is installed in, and the 3rd power transmission shaft 65 drives through peripheral hardware chain drive on second power transmission shaft 64 69, also is provided with chain drive 69 driven gear group driving shafts 66 at second power transmission shaft 64; Gear graduation group 62 driven gear group driven shafts 67, gear train driven shaft 67 drives inserted sheet driving shaft 68 through a chain drive structure.Described driving shaft 63 is provided with a chain drive and drives clamp mechanism 62, the three power transmission shafts, 65 drive routing devices, and chain drive of inserted sheet driving shaft 68 peripheral hardwares drives film conveying device 20.

See Fig. 3 and shown in Figure 4; The wire-clamping device 10 of the disclosed a kind of wire bonder of the utility model; It comprises installing rack 1, decides fixture block 7, moves fixture block 6, slide rail 8, slideway 12, push rod 5, pre-compressed spring 13, fixture block eccentric wheel 2, slide rail eccentric wheel 9 and power transmission shaft 11, and slideway 12, power transmission shaft 11 are installed on the installing rack 1, wherein decide fixture block 7 and are installed on the slide rail 8; Slide rail 8 is fastened on the slideway 12 and slideway 12 slips again; Slide rail eccentric wheel 9 passes through a linking arm 19 and decides fixture block 7 hinged, and under eccentric motion drove, drive was decided fixture block 7 and on slideway 8, slided by slide rail eccentric wheel 9; Slideway 12 slides slide rail 12 in the drive lower edge of the transmitter shaft 11 of slide rail eccentric wheel 9; Decide hinged moving fixture block 8 on the fixture block 7; Jointed shaft front end deciding fixture block 7 and moving fixture block 6 is provided with the clamp groove, and the clamp groove can be clamped wire, is provided with pre-compressed spring 13 in the jointed shaft rear end of deciding fixture block 7 and moving fixture block 6; Be provided with push rod 5 in moving fixture block 6 upper ends; Push rod 5 is T-shaped, and moving fixture block 6 is provided with slip limited block 15 with push rod 5 contact-making surfaces, and slip limited block 15 will move on the sliding surface of push rod 5 that fixture block 6 is limited to T shape and slide.Fixture block eccentric wheel 2 is installed in the power transmission shaft 11 of power set; On fixture block eccentric wheel 2, be provided with connecting rod 3, the hinge bar 4 of the hinged installation of peripheral hardware on installing rack 1, hinge bar 4 one ends connect connecting rod 3; One end connects push rod 5; By fixture block eccentric wheel 2 eccentric motions, drive push rod 5 and move up and down, thus moving fixture block 6 of control and the switching of deciding the clamp groove of fixture block 7.During work, the fixture block eccentric wheel drives down, and push rod 5 moves upward, and departs from moving fixture block 6; Moving fixture block 6 clamps wire 14 under pre-compressed spring 13 effects, slide rail eccentric wheel 9 drives linking arm 19 drive slide rails 8 and slides to the right, and pulling wire 14 slides to the right; When sliding into the precalculated position, this moment, the fixture block eccentric wheel 2 drove push rods 5 to moving fixture block 6 motions, and backed down moving fixture block 6 just, and moving fixture block 9 and wire 14 unclamp; Slide rail eccentric wheel 9 drives slide rail 8 and slides left, and when arriving slide rail motion high order end, this moment, push rod 5 moved upward; Moving fixture block 6 just clamps wire, and so shuttling movement moves right thereby spur wire 14.

Like Fig. 5 and shown in Figure 6; The film conveying device 20 of wire bonder; It comprises transmission mechanism 21, follower 22 and film trasport portion 23, transmission mechanism 21 by bearing 31, be arranged on the eccentric wheel 32 on the bearing 31 and the drive link 33 that is connected on the eccentric wheel 32 is formed, this transmission mechanism 21 is connected with follower 22 through drive link 33; Follower 22 comprises track base 41, be arranged on the slide block 42 that is connected with drive link 33 on the track base 41, be arranged on the guide rail bracket 43 on the slide block 42 and be arranged on the contiguous block 44 on the guide rail bracket 43; Track base 41 is provided with film trasport guide rail 45, and this contiguous block 44 is provided with the roller 46 that is connected with film trasport guide rail 45, and film trasport portion 23 is installed on the contiguous block 44; Eccentric wheel 32 is arranged on track base 41 1 sides; The transmission guide rod 412 that this track base 41 comprises two stands 411 and is set in parallel in 411 of two stands is formed, and slide block 42 is slidingly connected on transmission guide rod 412, and the eccentric wheel 32 of rotation is through drive link 33; Driving sliding block 42 moves back and forth on transmission guide rod 412; Force the roller 46 on the contiguous block 44 to move back and forth, thereby make roller 46 on the contiguous block 44, and reach high orientation precision along film trasport guide rail 45 high accuracy linear movement easily along the track of film trasport guide rail 45.Because its film trasport guide rail 45 is arranged on the opposite side of track base 41; This film trasport guide rail 45 is " protruding " font; Guiderail track meets the operation requirement that low pressure routing bonding machine is got material-feeding-material loading; Its guide rail bracket 43 is made up of with the connector 432 that is connected film trasport guide rod 431 upper ends the two film trasport guide rods 431 that are vertically set on the slide block 42, and contiguous block 44 is slidingly connected on the film trasport guide rod 431, matches with film trasport guide rod 431 through contiguous block 44; Make that roller 46 can be more smooth and easy in 45 motions of film trasport guide rail, improved the film trasport precision of technology and the yields of output.Its film trasport portion 23 comprises film transport rack 51 and is arranged at least one the suction nozzle 52 on the film transport rack 51, and the end that this film transport rack 51 is provided with suction nozzle 52 is vertical each other with the material direction of feed, and its other end is installed on the contiguous block 44.Be connected with air intake duct 53 on its suction nozzle 52, respectively these suction nozzle 52 equidistance are arranged on the film transport rack 51.The upper surface of the periphery of its roller 46 and film trasport guide rail 45 is tangent; Match with film trasport guide rail 45 with roller 46, greatly reduce the coefficient of friction between roller 46 and the film trasport guide rail 45, thereby obtain the stable smooth motion of high accuracy; After making that suction nozzle 52 is got material, the feeding process is more smooth and easy steadily.Adopt slide block 42 to match, drive drive link 33, promote slide blocks 42 with the drive link 33 that moves and on transmission guide rod 412, move through the eccentric wheel 32 that rotates with transmission guide rod 412; Transmission guide rod 412 with straight line is used for supporting and guide shoe 42; Make slide block 42 do linear reciprocating motion, thereby make, thereby reach high orientation precision through the track high accuracy linear movement easily of the roller 46 on film trasport guide rod 431 and the contiguous block 44 that slide block 42 is connected along film trasport guide rail 45 by given direction; Match with film trasport guide rail 45 with roller 46; The upper surface of the periphery of roller 46 and film trasport guide rail 45 is tangent, greatly reduces the coefficient of friction between roller 46 and the film trasport guide rail 45, thereby obtains the stable smooth motion of high accuracy; After making that suction nozzle 52 is got material; The feeding process is more smooth and easy steadily, and material causes the generation of the situation that the material of film trasport portion drops, " protruding " font of film trasport guide rail 45 design in addition easily when having avoided the traditional welding machine to add the feeding of lever mode of movement with double cam because of lever swing; Its guiderail track meets the operation requirement that low pressure routing bonding machine is got material-feeding-material loading, has more improved the film trasport precision of technology and the yields of output.

In a word, the wire-clamping device 10 of wire bonder clamps wire 14 through pre-compressed spring 13 preset clamping forces, and clamping force stability can not pressed from both sides bad wire 14, guarantees the quality of processed product.Motor 30 adopts variable-frequency motor, makes speed governing and speed change become very easy, and variable-frequency motor adopts the adjusting microinching controller, can make things convenient for crawl control transmission mechanism to rotate, and with convenient debugging, and whole power transmits very steadily.Film conveying device 20 adopts slide block 42 to match with transmission guide rod 412, makes the feeding process more smooth and easy steadily.

Claims

1. A wire punching machine, which includes a power unit, a transmission device, a wire clamping device and a film delivery device, wherein the power device includes a motor and a transmission mechanism, and the motor provides power for the wire punching machine, and it is characterized in that: the wire clamping device includes an installation Frame, fixed clamp block, movable clamp block, slide rail, slideway, ejector rod, preload spring, clamp block eccentric wheel, slide rail eccentric wheel and transmission shaft, the slideway and transmission shaft are installed on the mounting frame, and the fixed clamp The block is fixedly installed on the slide rail, and the slide rail is clamped on the slide rail and can slide on the slide rail again. The slide rail slides along the slide rail under the drive of the eccentric wheel of the slide rail; The front end of the hinge shaft of the clamp block and the movable clamp block is provided with a clamping groove, and the rear end of the hinge shaft of the fixed clamp block and the movable clamp block is provided with a pre-compression spring, and there are two or more rows of pre-compression springs; A ejector rod is provided, and the ejector rod is driven by the clamp block eccentric wheel, and the ejector rod controls the opening and closing of the clamping groove of the brake clamp block and the fixed clamp block.

2. The wire punching machine according to claim 1, characterized in that: the clamp eccentric wheel is installed on the drive shaft of the power device, a connecting rod is arranged on the clamp block eccentric wheel, and a hinge is installed on the mounting frame. The hinged rod is installed, one end of the hinged rod is connected to the connecting rod, and the other end of the hinged rod is connected to the ejector rod. The eccentric movement of the eccentric wheel drives the ejector rod to move up and down, thereby controlling the opening and closing of the clamping groove of the movable clamp block and the fixed clamp block.

3. The wire bonding machine according to claim 1, characterized in that: the ejector rod is T-shaped, the contact surface between the movable clamp block and the ejector rod is provided with a sliding limit block, and the sliding limit block limits the movable clamp block. Slide on the sliding surface of the T-shaped mandrel.

4. The wire bonding machine according to claim 1, characterized in that: the eccentric wheel of the slide rail is equipped with a connecting arm, the connecting arm is hinged with the fixed clamping block, and the eccentric wheel of the slide rail is driven by the eccentric movement to drive the fixed clamp. Clamp blocks and slide rails slide on slideways.

5. The wire bonding machine according to claim 1, characterized in that: the motor of the power unit adopts a variable frequency motor, and is provided with an inching controller, and a clutch is provided between the motor and the transmission mechanism, and the motor drives the transmission through a chain drive. The transmission mechanism also includes a driving shaft, a second transmission shaft, a third transmission shaft, a gear transmission group, a gear set driving shaft, a gear set driven shaft and an insert drive shaft, and the driving shaft drives a chain mechanism through a motor to drive , the driving shaft and the second transmission shaft are driven by a pair of bevel gears installed on them to cooperate with each other, the third transmission shaft is driven by an external chain transmission mechanism on the second transmission shaft, and a chain transmission mechanism is also provided on the third transmission shaft Drive the drive shaft of the gear set, the gear shifting set drives the driven shaft of the gear set, and the driven shaft of the gear set drives the insert drive shaft through a chain transmission structure; the drive shaft is provided with a chain transmission mechanism to drive the clamping mechanism, and the third transmission shaft drives In the wiring device, a chain drive is arranged outside the driving shaft of the inserting film to drive the film transporting device.

6. The wire bonding machine according to claim 1, characterized in that: the film conveying device includes a transmission mechanism, a driven mechanism and a film conveying part, and the transmission mechanism consists of a support, an eccentric wheel arranged on the support and a The transmission rod is connected to the eccentric wheel. The transmission mechanism is connected with the driven mechanism through the transmission rod. The driven mechanism includes a guide rail seat, a slider arranged on the guide rail seat connected with the transmission rod, and a The guide rail frame on the block and the connecting block arranged on the guide rail frame are provided with a transporting film guide rail on the guide rail seat, and the connecting block is provided with rollers connected with the transporting film guide rail. The upper surface of the guide rail is tangent, and the film delivery part is installed on the connecting block.

7. The wire bonding machine according to claim 6, wherein the eccentric wheel is arranged on one side of the guide rail seat, and the guide rail seat is composed of two brackets and a transmission guide rod arranged in parallel between the two brackets.

8. The wire bonding machine according to claim 6, characterized in that: the guide rail frame is composed of two sheet-feeding guide rods vertically arranged on the slider and a connecting piece connecting the upper ends of the sheet-feeding guide rods, and the The connecting block is slidably connected on the sheet guide rod.

9. The wire bonding machine according to claim 6, characterized in that: the film conveying section includes a film conveying frame and at least one suction head arranged on the film conveying frame, and the film conveying frame is provided with a suction head. One end is perpendicular to the feeding direction of the material, the other end is installed on the connecting block, and the suction pipe is connected to the suction head, and each suction head is equidistantly arranged on the film transport rack.