CN201274287Y - Ultrasonic aluminum thread pressure welding machine - Google Patents

Abstract

The utility model relates to an ultrasonic aluminum wire pressure welding machine. The two-dimensional electric displacement platform of the pressure welding machine is fixedly installed on the main machine box; the welding head is installed on the two-dimensional electric displacement platform; the camera is installed above the welding head; the control system It is connected with the camera, two-dimensional electric displacement platform and welding head respectively; the blank is located on the conveying guide rail; the pressure wheel and the transmission wheel are respectively pressed against the upper surface and the lower surface of the blank; the connecting frame is connected with the transmission system; the pitch adjustment mechanism One end of the pitch adjustment mechanism is connected with the connecting frame, and the other end of the pitch adjustment mechanism is movably connected with the dialing needle seat through a hinge and elastic parts; the other end of the dialing needle seat is fixedly connected with the dialing needle. The utility model utilizes the image recognition technology and the automatic control technology to realize the alignment of the solder joints, the automatic control of the welding, and the automatic transfer of the material on the conveying guide rail and the adjustment of the moving distance of the material on the conveying guide rail, which saves human resources and reduces the Labor intensity, improve product production efficiency and product pass rate.

Description

Ultrasonic aluminum wire welding machine

technical field

The utility model relates to an ultrasonic aluminum wire pressure welding machine.

Background technique

In my country, microelectronic packaging equipment is currently imported from the United States, South Korea, and Japan. It is important to develop my country's microelectronic packaging equipment as soon as possible to promote the development of semiconductors in our country. At present, most of the inner lead welding equipment introduced in my country are gold wire ball welding machines, and the cost of gold wire is very high. In order to reduce production costs, ultrasonic aluminum wire pressure welding machines have been developed in China. The currently used ultrasonic aluminum wire pressure welding machine includes the main box, fixture seat, fixture, welding head, wire feeding mechanism, and microscope; this ultrasonic aluminum wire pressure welding machine uses a microscope to observe with human eyes, and the operator keeps staring at it In the welding area, the damage to human eyes is very large; and the displacement of the fixture is realized by manually operating the fixture seat, and the operator is constantly operating with both hands, which is labor-intensive. Due to misoperation when people are fatigued or inattentive, resulting in a high product rejection rate and a decline in product quality, and the inconsistency of manual operations also causes instability in product performance and low work efficiency. Manual operation consumes a lot of human resources and labor intensity.

Contents of the invention

The technical problem to be solved by the utility model is to provide an ultrasonic aluminum wire pressure welding machine which uses image recognition technology and automatic control technology to realize automatic welding control.

In order to solve the above technical problems, the ultrasonic aluminum wire pressure welding machine of the present utility model includes a main machine box, a two-dimensional electric displacement platform, a welding head, a camera, and a control system; the two-dimensional electric displacement platform is fixedly installed on the main machine box; the welding head is installed on The two-dimensional electric displacement platform; the camera is installed above the welding head; the control system is connected with the camera, the two-dimensional electric displacement platform and the welding head respectively.

The camera constantly captures the images of the welding head and the blank, and transmits them to the control system; the control system calculates and processes the received image data, and then outputs control signals according to the calculation and processing results to control the movement of the two-dimensional electric displacement platform Realize the alignment of solder joints; finally, the control system controls the welding head to complete the welding.

The control system is composed of an image acquisition card, a computer and a servo control card; the image acquisition card captures the image data of the welding head and the blank taken by the camera and transmits it to the computer; the computer calculates and processes the received image data, Then output the control signal according to the calculation and processing results, so that the servo control card outputs the width adjustment wave to control the movement of the two-dimensional electric displacement platform to realize the alignment of the solder joints; finally, the computer controls the welding head to complete the welding.

Described control system can also adopt single-chip microcomputer, DSP or ARM etc.; Single-chip microcomputer, DSP or ARM are directly connected with camera, receive the image data that camera shoots, this image data is calculated and processed, and directly output according to the result of calculation and processing The control signal is used to control the movement of the two-dimensional electric displacement platform to realize the alignment of the welding points, and then control the welding head to complete the welding.

The ultrasonic aluminum wire pressure welding machine of the utility model also includes a film conveying device installed on the main box; the film conveying device includes a film conveying guide rail, a pressure wheel, a transmission wheel, a connecting frame, a pitch adjustment mechanism, and a dial seat , dialing the needle; the material is located on the film guide rail; the pressure wheel and the transmission wheel are respectively pressed against the upper surface and the lower surface of the material; the connecting frame is connected with the transmission system; one end of the pitch adjustment mechanism is connected with the connecting frame, The other end of the pitch adjusting mechanism is movably connected with the dialing needle base through a hinge and an elastic part; the other end of the dialing needle base is fixedly connected with the dialing needle.

The elastic component may be a torsion spring, and the torsion spring is installed on the hinge connecting the pitch adjustment mechanism and the needle setting seat.

The elastic component may be a spring, one end of which is connected to the pitch adjustment mechanism, and the other end is connected to the setting needle seat.

The ultrasonic aluminum wire pressure welding machine of the present utility model also includes two feeding devices installed on both sides of the film feeding device on the main box; the feeding device includes a material box, a first horizontal conveying mechanism, and a second horizontal conveying mechanism , a vertical lifting mechanism, a material box and a stabbing device; one side of the material box is open, the other side is equipped with a stabbing device, and a vertical lifting mechanism is installed at the rear; the bottom plate and the partition of the material box are respectively installed with the first horizontal conveying mechanism and Second horizontal conveying mechanism.

The described slice device comprises a slice motor, a crank, a driven rod, a linear guide rail, and a push block; the rotating shaft of the slice motor is connected with the driven rod through the crank; the push block is composed of two mutually perpendicular straight rods One of the straight rods has a groove, and the upper end of the driven rod protrudes from the groove.

The inner wall of the material box is provided with grooves along the horizontal direction, and the blanks are located in the grooves.

First of all, the first horizontal conveying mechanism of a material conveying device transmits the material box containing the material to the vertical lifting mechanism, the blade motor runs, and the crank rotates around the shaft of the blade motor, driving the driven rod to move with the end of the crank, so that The pushing block moves reciprocatingly on the linear guide rail, and pushes the material in the material box from one side of the opening of the material box to the film conveying guide rail. The empty material box is sent out of the material box by the second horizontal conveying mechanism.

The transmission wheel and the pressing wheel rotate simultaneously, so that the material sheet moves on the sheet conveying guide rail until the upper end of the dial needle is inserted into the gap of the material sheet. Then the connecting frame moves under the drive of the transmission system, and the connecting frame drives the dialing needle to move through the pitch adjusting mechanism and the dialing needle seat, and the pitch between the two dialing needles can be regulated by the pitch adjusting mechanism. When the needle moves to the end position, it stops, and at this time, the positioning and welding of the welding spots of the material sheet are carried out. Then the connecting frame is driven by the transmission system to move the needle seat to the starting point, and the needle rotates around the hinge to the lower surface of the material under the shear force of the material, so that the needle can slide to the starting point with the needle seat . When the setting needle slides to the starting point, the setting needle seat returns to the equilibrium position under the pulling force of the spring, and the upper end of the setting needle is inserted into the next gap of the sheet. When the dial needle moves to the end position again, it stops, and the positioning and welding of the welding spots of the tablet are carried out; so repeatedly, the welding of all the welding spots of the tablet is finally completed.

The first horizontal conveying mechanism of another material conveying device conveys the empty material box to the vertical lifting mechanism; when all the welding spots on the material sheet are welded, the blade motor runs, and the crank rotates around the shaft of the blade motor, driving the driven rod With the movement of the end point of the crank, the pushing piece block reciprocates on the linear guide rail, and the material piece is pushed into the material box from the opening side of the material box. Then the material is lowered to the bottom plate with the vertical lifting mechanism, and finally the material box is sent out of the material box by the second horizontal conveying mechanism.

The utility model can automatically load and unload materials, automatically transfer the material on the sheet conveying guide rail and adjust the moving distance of the material on the sheet conveying guide, thereby saving human resources, reducing labor intensity, and improving the pressure welding machine. Work stability and work efficiency.

The film conveying device also includes a damping wheel, a damping seat arm, a connecting seat, and a pressure adjusting bolt; the connecting seat is fixed on the film conveying guide rail, and one end of the damping seat arm is connected with the connecting seat through a hinge and an elastic member, and the damping wheel is installed on the On the other end of the damping seat arm, the damping wheel is pressed against the upper surface of the sheet; the pressure adjusting bolt is installed in the middle of the damping seat arm, and its axis is perpendicular to the sheet.

The elastic component may be a torsion spring, and the torsion spring is installed on the rotating shaft connecting the arm of the damping seat and the connecting seat.

The elastic component can also be a spring, one end of which is connected to the connecting seat, and the other end is connected to the arm of the damping seat.

Adjust the pressure adjusting bolt to change the gap between its lower end and the sheet conveying guide rail, and the pressure that the damping wheel acts on the sheet can be adjusted. When the setting pin slides towards the starting point on the film feeding guide rail, the friction between the damping wheel and the material is greater than the sliding friction between the setting pin and the material, and the material does not move when the setting pin returns to the starting point. The sheet positioning is accurate.

The film conveying device also includes a tablet pressing mechanism, and the tablet pressing mechanism includes a first cam, a first connecting plate, a vertical guide rail, and a pressing claw; the first cam is connected with the first connecting plate; the first connecting plate It is connected with the sliding seat of the vertical guide rail, and the first connecting plate is elastically connected with the sliding seat of the vertical guide rail.

The pressing sheet mechanism also includes a second cam, a second connecting plate, a transverse guide rail, and a plug-in plate; the second cam is connected with the second connecting plate; the second connecting plate is connected with the sliding seat of the transverse guide rail, and the second connecting The board is elastically connected to the sliding seat of the transverse guide rail; the second connecting board is fixedly connected to the plug board.

The rotation of the first cam gradually lifts up the first connecting plate, and the first connecting plate moves upward along the vertical guide rail, and pushes up the pressing claw through the first connecting seat; the second cam rotates, so that the second connecting plate moves along the horizontal guide rail, and the inserting plate moves along with the first connecting seat. The movement of the second connecting plate is separated from the tablet, and the dial needle can move the tablet to move on the guide rail at this time. When the material moves a pitch on the guide rail and stops, the second cam rotates, the second connecting plate moves along the transverse guide rail under the action of elastic force, the inserting plate moves with the second connecting seat, and the front end of the inserting plate is inserted into the The gap fixes the tablet; the first cam rotates, and the first connecting plate moves downward along the vertical guide rail under the action of elastic force to press the claws on the tablet. At this point, solder joints can be welded. Since the horizontal position of the material sheet is fixed by inserting, and the material sheet is pressed against the bottom plate below it by using the pressing claw, the pressure welding machine can reliably weld the welding spots of the material sheet.

The utility model utilizes the image recognition technology and the automatic control technology to realize the alignment of solder joints and the automatic control of welding, which saves human resources, reduces labor intensity, and improves product production efficiency and product pass rate. In particular, the automatic feeding device and automatic film feeding device are adopted to ensure the consistency and stability of the welding line and improve the quality of the product.

The ultrasonic aluminum wire pressure welding machine of the utility model also includes a turntable installed on the main machine box with the welding head chopper as the center of the circle. The chassis of the turntable is engraved with a scale, and the two-dimensional electric displacement platform is installed on the turntable.

The turntable can also adopt an electric control turntable.

The angle of rotation of the turntable can be adjusted manually. When it is necessary to weld the inner lead and the welding wire is very oblique, turn the turntable to a certain angle and fix it with screws, so that the wiring of the welding wire becomes straight or close to a straight line, which ensures the quality of welding and reduces the time for image recognition and welding. Point alignment time, improve work efficiency.

Two ultrasonic aluminum wire pressure welding machines installed with turntables are used in parallel, which can effectively reduce the time of image recognition and the time of solder joint alignment in view of the fact that the angles of the two welding lines are different; The welding of two different aluminum wires can effectively improve production efficiency.

The two-dimensional electric displacement platform includes a base, a Y-direction motor, a Y-direction driving rod, a Y-direction moving table, an X-direction motor, an X-direction driving rod, an X-direction moving table, an X-direction transition table, a Y-direction transition table, Linkage rod; the base is fixed on the main box; the Y-direction motor is fixed on the base, the Y-direction moving table is placed on the Y-direction rail of the base, and the Y-direction motor is connected with the Y-direction moving table through the Y-direction driving rod; The X-direction moving table is placed on the X-direction rail of the Y-direction moving table; the X-direction motor is fixed on the base; The transition table is connected; the Y-direction transition table is placed on the Y guide rail of the X-direction transition table; one end of the linkage rod is fixedly connected with the X-direction moving table, and the other end is fixedly connected with the Y-direction transition table; the welding head is fixedly installed in the X-direction on the stage.

The control system outputs control signals so that the Y-direction motor drives the Y-direction moving table to reciprocate on the Y-direction rail through the Y-direction drive rod, and the Y-direction transition table makes Y-direction reciprocating movement on the X-direction transition table. At this time, the X-direction moving table, The linkage rod moves back and forth in the Y direction simultaneously with the Y-direction moving table and the Y-direction transition table. The control system outputs control signals so that the X-direction motor drives the X-direction transition table to reciprocate on the X-direction rail of the abutment through the X-direction drive rod, and the Y-direction transition table moves with the X-direction transition table. The rod moves back and forth on the X-guiding rail of the Y-direction moving table. In this way, the welding head can move in the X-Y two-dimensional direction with the X-direction moving table to realize the alignment of the solder joints.

Since the X-direction motor is placed on the abutment, the quality of the moving parts (including the X-direction moving table, X-direction transition table, Y-direction transition table, and linkage rod) is greatly reduced. Under the condition of constant motor driving torque, A large acceleration is achieved, thereby increasing the displacement speed of the welding head.

Description of drawings

The utility model is described in further detail below in conjunction with accompanying drawing and specific embodiment.

Fig. 1 is the front view of the ultrasonic aluminum wire pressure welding machine of the present invention.

Fig. 2 is a left view of the ultrasonic aluminum wire pressure welding machine of the present invention.

Fig. 3 is a three-dimensional view of the two-dimensional electric displacement platform.

Fig. 4 is a front view of the film transporting device.

FIG. 5 is a partial top view taken along the direction B of FIG. 4 .

Fig. 6 is a front view of the card pressing mechanism.

Fig. 7 is a front view of the conveying device.

Fig. 8 is a left view of the conveying device.

Fig. 9 is a view from the direction A of Fig. 8 .

Detailed ways

As shown in Figures 1 and 2, the ultrasonic aluminum wire pressure welding machine of the present utility model includes a main frame 1, a wire feeding mechanism 7, a welding head 2, a camera 4, a control system, a two-dimensional electric displacement platform 3; a two-dimensional electric displacement platform 3 is fixedly installed on the main box 1; the welding head 2 is installed on the two-dimensional electric displacement platform 3; the camera 4 is installed above the welding head 2; the control system is connected with the camera 4, the two-dimensional electric displacement platform 3 and the welding head 2 respectively .

Described camera 4 adopts CCD camera.

Described control system can be made up of image acquisition card, computer and servo control card; One end of image acquisition card is connected with camera 4, and the other end is connected with computer; Camera 4 photographs the image of welding head 2 and blank; Image acquisition card Collect the image data captured by the camera 4 and transmit it to the computer; the computer analyzes, calculates and processes the received image data, and then outputs a control signal according to the result of the calculation and processing, so that the servo control card controls the movement of the two-dimensional electric displacement platform 3 to realize Alignment of solder joints; finally, the welding head 2 is controlled by the computer to complete the welding.

Described control system can also adopt single-chip microcomputer, DSP or ARM etc.; Single-chip microcomputer, DSP or ARM are directly connected with camera 4, receives the image data that camera 4 shoots and calculates and processes it, and directly outputs according to the result of calculation and processing The control signal controls the movement of the two-dimensional electric displacement platform 3 to realize the alignment of welding points, and then controls the welding head 2 to complete welding.

As shown in Figure 4, the ultrasonic aluminum wire pressure welding machine of the present utility model also includes a film feeding device; the film feeding device includes a film feeding guide rail 202, a pressure wheel 212, a transmission wheel 211, a connecting frame 210, and a pitch adjustment mechanism 214, dialing needle seat 215, spring 218, dialing needle 219; the described guide rail 202 is installed on the support 201, and the support 201 is fixedly installed on the main chassis 1. The material sheet 203 is located on the sheet conveying guide rail 202, and the pressing wheel 212 and the transmission wheel 211 press against the upper surface and the lower surface of the material sheet 203 respectively; 202 moves. The connecting frame 210 is connected with the transmission system 213; one end of the pitch adjusting mechanism 214 is fixedly connected with the connecting frame 210 by a set screw, and the pitch between the two setting needles 219 can be adjusted by the shaft of the pitch adjusting mechanism 214. The other end of the pitch adjustment mechanism 214 is connected to the needle holder 215 through a hinge 216; one end of the needle holder 215 is connected to one end of the spring 218, and the other end of the needle holder 215 is fixedly connected to the needle 219; the other end of the spring 218 It is connected with the pitch adjustment mechanism 214 through the spring seat 217 . After the dial needle 219 moves to the end position, the motor drives the dial needle seat 215 to move to the starting point through the transmission system 213, the connecting frame 210, and the pitch adjustment mechanism 214, and the dial needle 219 rotates around the hinge 216 to The lower surface of the tablet 203, so that the setting needle 219 can slide to the starting point with the setting needle seat 215. When the setting needle 219 slides to the starting point, the setting needle seat 215 returns to the equilibrium position under the pulling force of the spring 218 , and the upper end of the setting needle 219 is inserted into the next gap of the sheet 203 .

As shown in Figures 4 and 5, the film delivery device also includes a damping wheel 223, a damping seat arm 222, a connecting seat 220, a spring 225, and a pressure adjustment bolt 224; the connecting seat 220 is fixed on the film transporting guide rail 202 by bolts, and the damping seat arm One end of 222 is connected with connecting seat 220 through hinge 221, and damping wheel 223 is installed on the other end of damping seat arm 222; One end of spring 225 is connected with the lower part of connecting seat 220, and the other end is connected with the middle part of damping seat arm 222; The pressure adjusting bolt 224 is installed in the middle of the damping seat arm 222 , and its axis is perpendicular to the sheet 203 ; the damping wheel 223 is pressed against the upper surface of the sheet 203 by the tension of the spring 225 .

By adjusting the pressure adjusting bolt 224 to change the gap between its lower end and the film delivery guide rail 202, the pressure that the damping wheel 223 acts on the tablet 203 can be adjusted, so that when the setting pin 219 slides toward the starting point on the film delivery guide rail 202, the damping The frictional force between the wheel 223 and the tablet 203 is greater than the sliding friction between the dialing needle 219 and the tablet 203, so that the tablet 203 does not move when the dialing needle 219 returns to the starting point like this, thereby ensuring the positioning of the tablet 203 precise.

As shown in Figure 6, the film delivery device also includes a first cam 231, a first connecting plate 232, a vertical guide rail 233, a front pressing claw 237, a rear pressing claw 238, a second cam 241, a second connecting plate 242, and a transverse guide rail 243 , flashing plate 245; the first cam 231 is in contact with the cam follower wheel on the lower end surface of the first connecting plate 232; the first connecting plate 232 is connected with the vertical guide rail 233 sliding seat, and can slide along the vertical guide rail 233, and the first connecting plate 232 The spring 234 is elastically connected to the sliding seat of the vertical guide rail 233 ; the first connecting plate 232 is fixedly connected to the front pressing claw 237 and the rear pressing claw 238 through the first connecting seat 235 and the adjusting block 236 . The second cam 241 is in contact with the cam follower wheel on the lower end surface of the second connecting plate 242; the second connecting plate 242 is connected with the sliding seat of the transverse guide rail 243, and can slide along the transverse guide rail 243, and the second connecting plate 242 is connected to the transverse direction by the spring 234. The sliding seat of the guide rail 243 is elastically connected; the upper end of the second connecting plate 242 is fixedly connected with the inserting plate 245 .

The first cam 231 rotates under the drive of the motor, and the part with a larger radius of the first cam 231 gradually rotates to the top, and the cam follower wheel is lifted, so that the first connecting plate 232 moves upward along the vertical guide rail 233, and the first connecting seat 235 tops The front pressing jaw 237 and the rear pressing jaw 238 are started. The second cam 241 rotates, and the thickness of the contact portion between the second cam 241 and the cam follower wheel changes from small to large, so that the second connecting plate 242 moves along the transverse guide rail 243, and the inserting plate 245 moves along with the second connecting plate 242 and the sheet 203 detachment. The needle 219 moves the tablet 203 to move on the sheet guide rail 202, and stops when the tablet 203 moves a pitch on the sheet guide rail 202; The effect is to move along the transverse guide rail 243, and the inserting plate 245 moves together with the second connection seat, and the front end of the inserting plate 245 is inserted into the gap of the tablet 203, so that the tablet 203 is fixed; the first cam 231 continues to rotate, and the part with a smaller radius gradually Rotate to the top, the first connecting plate 232 moves down along the vertical guide rail 233 under the action of the spring 244, so that the front pressing claw 237 and the rear pressing claw 238 are pressed on the sheet 203; at this time, welding of solder joints can be carried out.

As shown in Figures 7, 8, and 9, the ultrasonic aluminum wire pressure welding machine of the present utility model also includes two feeding devices 6 fixedly installed on both sides of the film feeding device 5 on the main box 1; It includes a material box 110, a first horizontal conveying mechanism 113, a second horizontal conveying mechanism 114, a vertical lifting mechanism 130, a material box 120 and a chipping device. One side opening of hopper 110, the other side installs and stabs the slice device; Described stabs the slice device and comprises stabs the slice motor 141, crank 142, driven rod 143, linear guide rail 145, pushes the slice piece 144; Streaks the slice motor 141 The rotating shaft is connected with the driven rod 143 by the crank 142; the push piece block 144 is made of two mutually perpendicular straight rods, one of which has a groove 146 on the straight rod, and the upper end of the driven rod 143 is extended by the groove 146. out. The rear portion of the feed box 110 is equipped with a vertical lifting mechanism 130, and the vertical lifting mechanism 130 adopts a known electric lifting mechanism. A first horizontal conveying mechanism 113 and a second horizontal conveying mechanism 114 are respectively installed on the bottom plate 112 and the dividing plate 111 of the material box 110, and the first horizontal conveying mechanism 113 and the second horizontal conveying mechanism 114 adopt known conveyor belt conveying mechanisms.

The tablet pushing device can also use a linear motor to directly drive the tablet pushing block 144 to push the tablet out of the material box 120 or into the material box 120 .

A groove 121 is formed on the inner wall of the cartridge 120 along the horizontal direction, and the tablet 203 is located in the groove 121 .

The ultrasonic aluminum wire pressure welding machine of the present utility model can also include a turntable 10 with the welding head 2 chopper as the center of the circle installed on the main machine box 1. The chassis of the turntable 10 is engraved with a scale, and the two-dimensional electric displacement platform is installed on the turntable 10. superior. The angle at which the turntable 10 rotates can be manually adjusted.

Since the welding head 2 only has two-dimensional movement of Y and Z, and the two-dimensional electric displacement platform also moves in two dimensions, X and Y, so for welding a very oblique wire in the semiconductor device, the movement of the two-dimensional electric displacement platform alone is easy to displace the aluminum The wire is pulled out of the rivet groove, causing the solder joints on the frame pins to be soldered or not soldered, and the time for image recognition and solder joint alignment is longer.

When it is necessary to weld the inner lead and the welding wire is very oblique, turn the turntable 10 to a certain angle and fix it with screws, so that the wiring of the welding wire becomes straight or close to a straight line, which ensures the quality of welding and reduces the time and cost of image recognition. The time for solder joint alignment improves work efficiency.

The ultrasonic aluminum wire pressure welding machine of the utility model can also observe the situation of the material sheet and the welding wire through the microscope 8 and the display 9, and perform parameter setting or operation by the computer keyboard according to different situations, so as to realize the alignment of the solder joints.

The turntable 10 can also be an electric control turntable.

The motors in the two-dimensional electric displacement platform, the motors used in the film conveying device 5 and the material conveying device 6 are all controlled by the width-adjustable waves output by the control system.

The utility model is controlled by a control system to realize automatic loading, unloading, sheet feeding and solder point alignment.

The ultrasonic aluminum wire pressure welding machine of the utility model can select two or several machines to be used in parallel according to product production requirements, share a set of feeding device, and the systems of two or several machines can be controlled independently or share a set of controls system.

Described two-dimensional electric displacement platform 3 can adopt present known two-dimensional electric displacement platform, also can adopt following structure:

As shown in Figure 3, the two-dimensional electric displacement platform 3 includes a base 11, a Y-direction motor 12, a Y-direction driving rod 13, a Y-direction moving table 14, an X-direction motor 15, an X-direction driving rod 16, and an X-direction moving table 17. , X-direction transition platform 18, Y-direction transition platform 19, linkage rod 20; base platform 11 is fixedly installed on the main chassis 1; Y-direction motor 12 is fixed on the base platform 11, and Y-direction moving platform 14 is placed on the base platform 11 The Y-direction rail of the Y-direction motor 12 is connected with the Y-direction moving table 14 through the Y-direction driving rod 13, and the X-direction moving table 17 is placed on the X-direction rail of the Y-direction moving table 14; the X-direction motor 15 is fixed on the base 11; the X-direction transition table 18 is placed on the X-guiding rail of the base 11, the X-direction motor 15 is connected with the X-direction transition table 18 through the X-direction drive rod 16; the Y-direction transition table 19 is placed on the X-direction transition table 18 On the Y guide rail; one end of the linkage rod 20 is connected to the X-direction moving table 17 as a whole, and the other end is connected to the Y-direction transition table 19 as a whole or fixedly connected together by welding, screw connection, etc.; the welding head 2 is fixedly installed On the X-direction moving platform 17.

The ultrasonic aluminum wire pressure welding machine of the utility model adopts automatic control technology and computer control technology on the basis of the prior art manual ultrasonic aluminum wire pressure welding machine, so that it can be improved into an equipment capable of automatic welding. In addition, an automatic feeding mechanism is specially added to replace manual feeding, and become a fully automatic equipment for automatic loading and unloading and automatic welding, which greatly improves production efficiency and product quality, ensures the consistency and stability of product welding lines, and saves Human resources, reducing labor intensity. Greatly improved welding efficiency and quality. The camera and the image acquisition card in the main box are used to jointly realize the image acquisition of the blank, and the position of the blank is automatically identified through computer software processing. Fix the two-dimensional electric displacement platform and the turntable under the welding head of the manual ultrasonic aluminum wire pressure welding machine in the prior art. There are two ways to fix the two-dimensional electric displacement platform. One is that the X-axis platform is on the Y-axis platform, One is that the X-axis platform is under the Y-axis platform. The two-dimensional electric displacement platform is controlled by the computer according to the position of the welding spot of the collected material to realize the automatic displacement of the welding head, thereby realizing automatic welding. The positioning of solder joints is precise, and the consistency of welding lines is good, which improves the quality of products. The two-dimensional electric displacement platform adopts ball screw and V-shaped cross ball guide rail or linear slider guide rail, and the motor adopts stepping or servo motor. turntable.

Claims (7)

1, a kind of ultrasonic aluminum wire press welder comprises mainframe box (1), and soldering tip (2) is characterized in that also comprising two-dimensional electricity driving displacement platform (3), camera (4), control system, film conveying device (5); Two-dimensional electricity driving displacement platform (3) is fixedly mounted on the mainframe box (1); Soldering tip (2) is installed on the two-dimensional electricity driving displacement platform (3); Camera (4) is installed in the top of soldering tip (2); Control system is connected with camera (4), two-dimensional electricity driving displacement platform (3) and soldering tip (2) respectively; Film conveying device (5) is installed on the mainframe box (1); Described film conveying device (5) comprises film trasport guide rail (202), pinch roller (212), and delivery wheel (211), link (210), needle stand (215) is dialled by regulation by pitch mechanism (214), dials pin (219); Tablet (203) is positioned on the film trasport guide rail (202); Pinch roller (212) and delivery wheel (211) press the upper surface and the lower surface of tablet (203) respectively; Link (210) is connected with drive system (213); One end of regulation by pitch mechanism (214) is connected with link (210), and the other end of regulation by pitch mechanism (214) is by hinge and elastomeric element and dial needle stand (215) flexible connection; The other end of dialling needle stand (215) is fixedlyed connected with group pin (219).

2, ultrasonic aluminum wire press welder according to claim 1 is characterized in that described film conveying device (5) also comprises damping wheel (223), damping seat arm (222), and Connection Block (220), pressure is regulated bolt (224); Connection Block (220) is fixed on the film trasport guide rail (202), one end of damping seat arm (222) is connected with Connection Block (220) with elastomeric element by hinge, damping wheel (223) is installed in the other end of damping seat arm (222), and damping wheel (223) is pressed against the upper surface of tablet (203); Pressure is regulated the middle part that bolt (224) is installed in damping seat arm (222), and its axis normal is in tablet (203).

3, ultrasonic aluminum wire press welder according to claim 2 is characterized in that also comprising card compressing tablet mechanism, and described card compressing tablet mechanism comprises first cam (231), first connecting plate (232), vertical guide rail (233), paw; First cam (231) connects with the bottom of first connecting plate (232); First connecting plate (232) is connected with the sliding seat elasticity of vertical guide rail (233), can slide on the sliding seat of vertical guide rail (233); Fixedly connected with paw in the top of first connecting plate (232).

4, ultrasonic aluminum wire press welder according to claim 3 is characterized in that described card compressing tablet mechanism also comprises second cam (241), second connecting plate (242), cross slide way (243), plate (245); Second cam (241) connects with the bottom of second connecting plate (242); Second connecting plate (242) is connected with the sliding seat elasticity of cross slide way (243), can slide on the sliding seat of cross slide way (243); Fixedly connected with plate (245) in the top of second connecting plate (242).

5,, it is characterized in that also comprising two and be installed in the feeding device (6) that mainframe box (1) is gone up film conveying device (5) both sides according to claim 1,2,3 or 4 any described ultrasonic aluminum wire press welders of claim; Described feeding device (6) comprises hopper (110), first horizontal transport agency (113), second horizontal transport agency (114), vertical lifting mechanism (130), magazine (120) and disclose the sheet device; One side opening of hopper (110), opposite side are installed and are disclosed the sheet device, and vertical lifting mechanism (130) is installed at the rear portion; First horizontal transport agency (113) and second horizontal transport agency (114) are installed respectively on the base plate (112) of hopper (110) and the dividing plate (111).

6, ultrasonic aluminum wire press welder according to claim 5 is characterized in that disclosing the sheet device and comprises and disclose sheet motor (141), crank (142), follower lever (143), line slideway (145), push jack piece (144); The rotating shaft of disclosing sheet motor (141) is connected with follower lever (143) by crank (142); Push jack piece (144) is made of two orthogonal two straight-bars, has groove (146) on one of them straight-bar, and the upper end of follower lever (143) is stretched out by this groove (146).

7,, it is characterized in that also comprising that being installed on the mainframe box (1) is the turntable (10) in the center of circle with the soldering tip chopper according to claim 1,2,3 or 4 any described ultrasonic aluminum wire press welders of claim; Be carved with scale on the chassis of turntable (10), two-dimensional electricity driving displacement platform (3) is installed on the turntable (10).

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