CN112276281B

CN112276281B - Automatic wire bonding machine

Info

Publication number: CN112276281B
Application number: CN202011119264.0A
Authority: CN
Inventors: 郑军; 陈帮华; 梅爱华
Original assignee: Chongqing Jiukun Electronics Co ltd
Current assignee: Chongqing Jiukun Electronics Co ltd
Priority date: 2020-10-19
Filing date: 2020-10-19
Publication date: 2022-04-26
Anticipated expiration: 2040-10-19
Also published as: CN112276281A

Abstract

The invention relates to the field of welding wires, in particular to an automatic wire welding machine which comprises a conveying belt, a plurality of tools and a plurality of turnover mechanisms, wherein each tool comprises a placing plate and a pressing cover, the upper surface of the placing plate is provided with a placing groove, the lower surface of the placing plate is provided with an L-shaped clamping groove, the pressing cover is hinged with the placing plate, and the pressing cover can be buckled with the upper surface of the placing plate; a supporting plate is fixedly arranged in the placing groove, a pressing block is fixedly arranged on the pressing cover, a gap is formed between the pressing block and the supporting plate, and a plurality of combing detection teeth matched with the wire harness are arranged on the pressing block; every tilting mechanism includes supporting shoe and dop, and the supporting shoe sets up on the conveyer belt, and the dop rotates and sets up on the supporting shoe, and the dop can block into in the draw-in groove of frock. When the technical scheme is adopted, the soldering flux can be conveniently adhered to the lead.

Description

Automatic wire bonding machine

Technical Field

The invention relates to the field of welding wires, in particular to an automatic wire welding machine.

Background

The connector lug includes wiring board and three group pencil, and it has the socket to open on the wiring board, and every group pencil includes a plug and six wires, and the one end of six wires all is connected with the plug, and the diameter of six wires is not of uniform size.

After an operator holds a wire to insert a plug into a socket of a wiring board, the free end of the wire needs to be immersed into a soldering flux pool to be adhered with soldering flux, and then the connector lug is placed into a clamp and conveyed to a subsequent station for processing. However, it is troublesome to manually immerse the lead in the soldering flux pool to adhere the soldering flux and then place the connector lug in the fixture, and the skin of an operator is easily damaged after the soldering flux contacts the skin.

Disclosure of Invention

The invention aims to provide an automatic wire bonding machine which is convenient for adhering soldering flux to a lead.

In order to achieve the purpose, the technical scheme of the invention provides an automatic wire welding machine which comprises a conveyor belt, a plurality of tools and a plurality of turnover mechanisms, wherein each tool comprises a placing plate and a gland, the upper surface of the placing plate is provided with a placing groove, the lower surface of the placing plate is provided with an L-shaped clamping groove, the gland is hinged with the placing plate and can be buckled with the upper surface of the placing plate; a supporting plate is fixedly arranged in the placing groove, a pressing block is fixedly arranged on the pressing cover, a gap is formed between the pressing block and the supporting plate, and a plurality of combing detection teeth matched with the wire harness are arranged on the pressing block; every tilting mechanism includes supporting shoe and dop, and the supporting shoe sets up on the conveyer belt, and the dop rotates and sets up on the supporting shoe, and the dop can block into in the draw-in groove of frock.

The technical effect of the scheme is as follows: after an operator holds a wire to insert a plug into a socket of the wiring board, the wiring head is placed in the placing groove of the placing plate, the pressing cover is rotated to enable the wiring head to be buckled with the upper surface of the placing plate, and the wiring board is pressed tightly through the pressing cover.

When the gland is buckled with the placing plate, the combing detection teeth on the pressing block are inserted between two adjacent wires in each group of wire harnesses, so that the two adjacent wires are separated, the free end of each wire can be covered by the soldering flux when the soldering flux is adhered subsequently, the welding quality of the free end of the wire is improved, and the processing quality of the connector lug is improved.

Meanwhile, after the gland is buckled with the placing plate, the combing detection teeth are inserted between two adjacent wires in the wire harness, so that the arrangement sequence of the wires with different diameters in each group of wire harnesses is correct; if the gland can not be buckled with the placing plate, the combing detection teeth are explained to be abutted against the wires, so that the problem of the sequencing of the wires in the wire harness is explained, namely, the detection of the arrangement sequence of the wire harness of the connector lug can be completed when the connector lug is placed on the tool by an operator.

Moreover, because operating personnel grips when the jack of wire with plug insertion wiring board, the wire can take place the bending, when the gland with place the board lock, carries out the flattening to the wire according to pressing block and backup pad, because the adhesion scaling powder will be unified before to cut each pencil, can ensure that each wire length after the cutting is unanimous after carrying out the flattening to the wire, is favorable to improving the processingquality of connector lug.

The draw-in groove card that will place the board lower surface goes into back on tilting mechanism's the dop, rotates at dop forward and drives and place board pivoted in-process, because the dop will place the board and block in the draw-in groove that is "L" shape, so place the in-process that the board overturned and can not drop from the dop, the frock can be stably fixed on tilting mechanism's chuck.

In the course of working, when finding the connector lug has quality problems, dop antiport, the draw-in groove of frock slides for the dop, and the frock drops from the dop, and the connector lug drops from the dop promptly, and the connector lug need not to get into subsequent handling and processes to accelerate the machining efficiency of other connector lugs.

Further, the upper surface of placing the board is equipped with first blind hole, is fixed with first locking lever on the gland, and first locking lever can insert in the first blind hole. The technical effect of the scheme is as follows: the gland and the placing plate can be conveniently and quickly buckled.

Furthermore, a positioning strip is fixedly arranged in the placing groove. The technical effect of the scheme is as follows: after the wiring board is abutted to the positioning strips, the placing position of the wiring board is conveniently and quickly positioned.

Furthermore, install the boosting unit on the dop, the boosting unit includes the push rod, and the push rod slides and sets up on the dop, and the push rod can promote the frock and drop from the dop. The technical effect of the scheme is as follows: ensure that the frock can drop from the dop.

Furthermore, a pushing block is fixed at the free end of the pushing rod. The technical effect of the scheme is as follows: increase the area of contact of push rod and frock, leave the seal of a government organization in old china on the frock when avoiding push rod and frock contact.

Furthermore, a stop block is fixed on the conveying belt, and the clamping head can be in contact with the stop block. The technical effect of the scheme is as follows: when the clamping head is rotated to enable the tool to fall off from the clamping head, the stop block impacts the clamping head when the clamping head is contacted with the stop block, and the tool is convenient to fall off from the clamping head after the clamping head shakes.

Further, first locking lever includes first dead lever and first locking lever in advance, first dead lever and gland fixed connection, first locking lever in advance and first dead lever fixed connection, and first locking lever in advance is round platform form. The technical effect of the scheme is as follows: the first locking rod is convenient to insert into the first blind hole.

Further, the gland can be in contact with the locating bar. The technical effect of the scheme is as follows: the gland is supported by the positioning strip conveniently.

Furthermore, a second blind hole is formed in the positioning bar, a second locking rod is fixed on the gland, and the second locking rod can be inserted into the second blind hole. The technical effect of the scheme is as follows: improve the gland and place the lock firmness of board.

Further, the second locking rod comprises a second fixing rod and a second pre-locking rod, the second fixing rod is fixedly connected with the gland, the second pre-locking rod is fixedly connected with the second fixing rod, and the second pre-locking rod is in a round table shape. The technical effect of the scheme is as follows: the second locking rod can be conveniently inserted into the second blind hole.

Drawings

FIG. 1 is a three-dimensional schematic view of a tool according to an embodiment of the present invention after the tool is opened;

FIG. 2 is a three-dimensional schematic view of a tool according to an embodiment of the present invention after being fastened;

FIG. 3 is an enlarged view of a portion of FIG. 1 at A;

FIG. 4 is a three-dimensional schematic view of a press block and comb detection teeth;

FIG. 5 is a schematic view of the tool being matched with a chuck of the turnover mechanism;

FIG. 6 is a schematic diagram illustrating the adhesion of a flux;

FIG. 7 is a schematic view of the disassembly of the tool.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the device comprises a conveying belt 1, a placing plate 2, a pressing cover 3, a clamping groove 4, a first blind hole 5, a first locking rod 6, a positioning strip 7, a supporting plate 8, a pressing block 9, a connector lug 10, a wiring board 11, a wiring harness 12, a wire 13, a combing detection tooth 14, a supporting block 15, a clamping head 16, a push rod 17, an air cylinder 18, a pushing block 19, a stop block 20, a second blind hole 21 and a second locking rod 22.

The first embodiment is as follows:

the first embodiment is substantially as shown in figures 1 to 7: the automatic wire welding machine shown in fig. 1, 2 and 5 comprises a rack, a conveying mechanism, a plurality of tools and a plurality of turnover mechanisms, wherein the conveying mechanism comprises a conveying belt 1, a driving roller and a driven roller, a through hole is formed in the rack, the driving roller and the driven roller are rotatably arranged in the through hole, and the conveying belt 1 is sleeved on the driving roller and the driven roller; a stepping motor is fixedly arranged on the rack through bolts, an output shaft of the stepping motor is coaxially welded with the end face of the driving roller, and the model of the stepping motor can be Y07-43D 1-4275M.

As shown in fig. 1, each tool comprises a placing plate 2 and a pressing cover 3, wherein a placing groove is formed in the upper surface of the placing plate 2, and an L-shaped clamping groove 4 is formed in the lower surface of the placing plate 2. The pressing cover 3 is hinged with the placing plate 2, specifically, a pin shaft is welded on the pressing cover 3, a pin hole is formed in the placing plate 2, and the pin shaft is rotatably arranged in the pin hole; the upper surface of placing board 2 is opened has first blind hole 5, and the welding has first locking lever 6 on the gland 3, and first locking lever 6 can insert and realize gland 3 and place the lock of board 2 in the first blind hole 5.

The welding has location strip 7 and backup pad 8 in the standing groove, and the welding has on the gland 3 to press the pressure piece 9, presses to form the clearance between pressure piece 9 and the backup pad 8, and the clearance is used for wire 13 to pass, and gland 3 is pressed tightly by pressure piece 9 and backup pad 8 after with placing board 2 lock promptly, and wire 13 is pressed tightly. The connector lug 10 shown in fig. 1 includes a wiring board 11 and three groups of wire harnesses 12, a socket is opened on the wiring board 11, each group of wire harnesses 12 includes a plug and six wires 13, one ends of the six wires 13 are connected with the plug, as shown in fig. 3, the diameters of the six wires 13 are different, and the diameters are sequentially reduced from back to front.

As shown in fig. 4, three groups of detection groups are welded on the pressing block 9, each group of detection group includes five comb detection teeth 14, and the distance between two adjacent comb detection teeth 14 from top to bottom among the five comb detection teeth 14 in each group of detection group is sequentially reduced; when six wires 13 of each group of wire harnesses 12 are arranged in the correct order in the three groups of wire harnesses 12 of the connector lug 10, the combing detection teeth 14 are inserted between two adjacent wires 13 after the pressing cover 3 is buckled with the placing plate 2.

As shown in fig. 5, each turnover mechanism comprises a supporting block 15 and a chuck 16, the clamping groove 4 can be clamped on the chuck 16, the supporting block 15 is positioned on the conveyor belt 1, and the supporting block 15 is fixedly connected with the conveyor belt 1 through screws; the flux pool is located on the left side of the conveyor belt 1.

The chuck 16 is rotatably arranged on the supporting block 15, specifically, a rotating shaft is welded on the chuck 16, a circular hole is formed in the supporting block 15, and the rotating shaft is rotatably arranged in the circular hole; or, a servo motor is fixedly installed on the supporting block 15 through a bolt, and the chuck 16 is fixedly connected with an output shaft of the servo motor through a screw; the type of the servo motor can be selected from MR-J2S-100A, and a power supply for supplying power to the servo motor is fixedly arranged on the conveyor belt 1 through bolts.

The boosting unit is arranged on the chuck 16 and specifically comprises a push rod 17 and a stabilizing block (not shown in the figure), the stabilizing block is fixedly connected with the chuck 16 through a screw, a hole is formed in the stabilizing block, and the push rod 17 is arranged in the hole in a sliding manner; of course, the boosting unit can also comprise an air cylinder 18, the air cylinder 18 is fixedly arranged on the chuck 16 through a bolt, the push rod 17 is welded with an output shaft of the air cylinder 18, and the free end of the push rod 17 is welded with a push block 19; wherein the air cylinder 18 can be an SC air cylinder of Subshi type, and an air source for providing power for the air cylinder 18 is fixedly arranged on the conveyor belt 1 through bolts.

The specific implementation process is as follows:

after an operator holds the wires 13 in each wire harness 12 and inserts a plug into the socket of the terminal block 11, the terminal block 10 shown in fig. 1 is placed in the placing groove of the placing plate 2, the pressing cover 3 is rotated to be engaged with the upper surface of the placing plate 2, and the terminal block 11 is pressed by the pressing cover 3.

When the pressing cover 3 is buckled with the placing plate 2, the combing detection teeth 14 on the pressing block 9 shown in fig. 4 are inserted between two adjacent wires 13 in the wire harness 12 shown in fig. 3, so that the two adjacent wires 13 are separated, the free end of each wire 13 can be covered by the soldering flux when the soldering flux is adhered subsequently, and the improvement of the welding quality of the free end of the wire 13, namely the processing quality of the wire connecting head 10, is facilitated.

Meanwhile, after the pressing cover 3 is buckled with the placing plate 2, the combing detection teeth 14 are inserted between two adjacent wires 13 in the wire harness 12, so that the arrangement sequence of the wires 13 with different diameters in each group of wire harnesses 12 is correct; if the pressing cover 3 can not be buckled with the placing plate 2, the combing detection teeth 14 are abutted against the leads 13, so that the problem of sorting of the leads 13 in the wire harness 12 is described, namely, an operator can finish detecting whether the arrangement sequence of the wire harness 12 of the wire connector 10 is wrong when placing the wire connector 10 to a tool (because the wire harness 12 is a finished product, the sorting of the leads 13 in the wire harness 12 needs to be checked after inserting the plug of the wire harness 12 into the jack of the wiring board 11).

Moreover, when the operator holds the wire 13 and inserts the plug into the jack of the wiring board 11, the wire 13 can be bent, when the gland 3 is buckled with the placing plate 2, the pressing block 9 and the supporting plate 8 can flatten the wire 13, and because the wire harness 12 is uniformly cut before the adhesion soldering flux, the length of each wire 13 after being cut can be ensured to be consistent after the wire 13 is flattened, which is beneficial to improving the processing quality of the connector lug 10.

As shown in fig. 5, after the engaging groove 4 on the lower surface of the placing plate 2 is engaged with the engaging head 16 of the turnover mechanism, when the engaging head 16 rotates counterclockwise to the position shown in fig. 6, the placing plate 2 is engaged with the engaging head 16 in the engaging groove 4 having an "L" shape, so that the placing plate 2 does not fall off from the engaging head 16 during the turnover process, and the tool can be stably fixed on the engaging head 16 of the turnover mechanism.

In the machining process, when the quality problem of the connector lug 10 is found, the clamping head 16 shown in fig. 5 rotates clockwise to the position shown in fig. 7, the clamping groove 4 of the tool slides downwards relative to the clamping head 16, the tool drops from the clamping head 16, namely, the connector lug 10 drops from the clamping head 16, and the connector lug 10 does not need to enter a subsequent process to be machined, so that the machining efficiency of other connector lugs 10 is improved.

Example two:

on the basis of the first embodiment, as shown in fig. 5 to 7, the stopper 20 is fixed to the conveyor belt 1 by a screw, and as shown in fig. 7, the chuck 16 can contact the stopper 20. After the pressing cover 3 is fastened with the placing plate 2 as shown in fig. 1, the pressing cover 3 can contact with the upper surface of the positioning strip 7.

The first locking rod 6 comprises a first fixing rod and a first pre-locking rod, the first fixing rod is welded with the gland 3, the first pre-locking rod is welded with the first fixing rod, the first pre-locking rod is in a round table shape, and the first pre-locking rod and the first fixing rod can be inserted into the first blind hole 5; the positioning bar 7 is provided with a second blind hole 21, the gland 3 is welded with a second locking rod 22, the second locking rod 22 comprises a second fixing rod and a second pre-locking rod, the second fixing rod is welded with the gland 3, the second pre-locking rod is welded with the second fixing rod, the second pre-locking rod is in a round table shape, and the second pre-locking rod and the second fixing rod can be inserted into the second blind hole 21.

The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims

1. Automatic wire bonding machine, its characterized in that: the device comprises a conveyor belt, a plurality of tools and a plurality of turnover mechanisms, wherein each tool comprises a placing plate and a gland, the upper surface of the placing plate is provided with a placing groove, the lower surface of the placing plate is provided with an L-shaped clamping groove, the gland is hinged with the placing plate and can be buckled with the upper surface of the placing plate; a supporting plate is fixedly arranged in the placing groove, a pressing block is fixedly arranged on the pressing cover, a gap is formed between the pressing block and the supporting plate, a plurality of combing detection teeth matched with the wire harness are arranged on the pressing block, and the combing detection teeth can be inserted between two adjacent wires in the wire harness comprising a plurality of wires; every tilting mechanism includes supporting shoe and dop, and the supporting shoe sets up on the conveyer belt, and the dop rotates and sets up on the supporting shoe, and the dop can block into in the draw-in groove of frock.

2. The automatic wire bonding machine of claim 1 wherein: the upper surface of placing the board is equipped with first blind hole, is fixed with first locking lever on the gland, and first locking lever can insert in the first blind hole.

3. The automatic wire bonding machine of claim 2, wherein: the standing groove is internally and fixedly provided with a positioning strip.

4. The automatic wire bonding machine of claim 3 wherein: install the boosting unit on the dop, the boosting unit includes the push rod, and the push rod slides and sets up on the dop, and the push rod can promote the frock and drop from the dop.

5. The automatic wire bonding machine of claim 4 wherein: the free end of the push rod is fixed with a push block.

6. The automatic wire bonding machine of claim 5, wherein: a stop block is fixed on the conveying belt, and the chuck can be contacted with the stop block.

7. The automatic wire bonding machine of claim 6 wherein: the first locking rod comprises a first fixing rod and a first pre-locking rod, the first fixing rod is fixedly connected with the gland, the first pre-locking rod is fixedly connected with the first fixing rod, and the first pre-locking rod is in a round table shape.

8. The automatic wire bonding machine of claim 7, wherein: the gland can contact the locating bar.

9. The automatic wire bonding machine of claim 8 wherein: the positioning bar is provided with a second blind hole, the gland is fixed with a second locking rod, and the second locking rod can be inserted into the second blind hole.

10. The automatic wire bonding machine of claim 9 wherein: the second locking rod comprises a second fixing rod and a second pre-locking rod, the second fixing rod is fixedly connected with the gland, the second pre-locking rod is fixedly connected with the second fixing rod, and the second pre-locking rod is in a round table shape.