CN111864500A - Terminal welding equipment and process - Google Patents

Abstract

The terminal welding equipment and the terminal welding process comprise a wire feeding mechanism, a wire stripping mechanism, a sliding base and a welding mechanism, wherein the wire feeding mechanism is arranged in front of the sliding base, and the wire stripping mechanism and the welding mechanism are sequentially arranged on the sliding base from the wire feeding direction and are in sliding connection with the sliding base. Compared with the prior art, the invention has the beneficial effects that: the terminal welding equipment and the terminal welding process have the advantages of small size, convenience in use, high automation degree, high reliability, good universality and good economical efficiency.

Description

Terminal welding equipment and process

technical field

The invention relates to the technical field of welding, and in particular, to a welding equipment and a process for wires and terminals of automobile wiring harnesses.

Background technique

The wiring harness is generally connected with multi-specification plugs. Each plug contains multiple terminals, and the reliable connection between the wires and the terminals is a necessary condition for the effective conduction of the line. In the current industrial production, the welding method of the terminals Most of them still use the traditional manual welding method. This manual welding method not only has low production efficiency, but also is difficult to ensure product consistency, and is prone to certain welding deviations. Moreover, a single soldering method may cause desoldering and soldering. The point is not fixed and other problems, so that the reliability of the circuit can not be guaranteed.

The patent application number is 201721144635.4, an automatic soldering equipment for data cables, which can perform a series of processes such as straightening, cutting, peeling, and welding of wires. However, it is necessary to cut off a whole wire in advance, and then manually place it on the transmission device for processing, which has a low degree of automation; and it can only be processed in fixed length, and the wire length cannot be adjusted flexibly, and the continuity is poor.

The patent application number is 201720897463.1 of an automatic welding machine, and its equipment mainly includes a wire cutting device, a wire stripping device, a tin sticking device, a welding device and a transmission belt. Although automatic welding can be achieved, the working mechanism is complex, the length of the conveyor belt is too long, the volume is large, and the flexibility is insufficient; and the soldering function is single, which may cause defects such as de-soldering and weak solder joints; it is limited to adapt to product specifications and has limited versatility. not good enough.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a terminal welding equipment and process, which can automatically complete the wire feeding, wire stripping, wire and terminal welding, wire cutting and other processes; due to the different lengths of the wires of the automobile wiring harness, the present invention can change the wire Welding length, and can automatically work continuously. The invention greatly improves the connection quality and productivity of the wire and the terminal. The device has the advantages of simple structure, small volume, low cost, easy operation, high reliability, good continuity and versatility.

To achieve the above object, the present invention adopts the following technical solutions to realize:

A terminal welding device includes a wire feeding mechanism, a wire stripping mechanism, a sliding base, and a welding mechanism. The wire feeding mechanism is arranged in front of the sliding base, and the wire stripping mechanism and the welding mechanism are sequentially installed on the sliding base from the wire feeding direction. , and slidingly connected with the sliding base.

The wire feeding mechanism includes a side support plate, a cylinder 1, a cylinder 2, an upper clamping roller, a lower clamping roller, a sliding block 1, a small turntable, a sliding block 2, a large turntable, a large motor, and a wire pipe 1. The lower clamp The roller is installed on the side support plate through the rotating shaft, the upper clamping roller is installed on the slider 1 through the rotating shaft, the slider 1 is driven by the cylinder 1 to slide up and down along the side support plate, and the large turntable is also installed on the sliding block. On the side support plate, the large turntable is driven to rotate by a large motor, the small turntable is mounted on the second slider through the rotating shaft, and the second slider is driven by the second cylinder to slide up and down along the side support plate; the upper clamp The rollers correspond to the lower nip rollers, the large turntable corresponds to the small turntable, and the conduit is fixed on the side support plate; the wires pass between the upper and lower nip rollers, and then pass through the small nip rollers. The transmission of the turntable and the large turntable enters the conduit one.

The wire stripping mechanism includes a cylinder 3, a sliding tool, a guide shaft, a fixed tool, a base plate, a wire pipe support plate, and a wire pipe 2. The guide shaft is fixed on the base plate 1, and the fixed tool is fixed on the guide shaft. The cylinder 3 is installed on the upper end of the guide shaft, the cylinder 3 drives the sliding cutter to slide up and down along the guide shaft, the conduit 2 is fixed on the base plate 1 through the conduit support plate, and the wire passes through the sliding cutter The knife edge between the fixed knife and the fixed knife enters the second conduit.

The welding mechanism includes four cylinders, five cylinders, a welding guide rail, a punch, a soldering iron, a welding support plate, a second base plate, a welding table, a gear, a solder wire feeding wheel, a small pressure wheel, a solder wire reel, a small motor two, Small motor 1, the welding support plate and the welding table are adjacently arranged and fixed on the base plate 2, the cylinder 4 and the cylinder 5 are fixed on the welding support plate, and a welding guide rail is provided below the cylinder 4 and the cylinder 5 , the cylinder four drives the punch to slide up and down along the welding guide rail, the cylinder five drives the soldering iron to slide up and down along the welding guide rail, the gear, the solder wire feeding wheel, the small pressure wheel and the solder wire reel are installed on the welding workbench On the side wall of the tin wire, the solder wire feeding wheel is driven and rotated by the second small motor, the gear is driven and rotated by the small motor one, and the small pressing wheel is the driven wheel of the solder wire feeding wheel.

The sliding base includes a guide rail, a slider, a right guide rail electric cylinder, and a left guide rail electric cylinder. There are two sliders, one is used to install the base plate 1 of the stripping mechanism, and the other is used to install the base plate 2 of the welding mechanism. The right rail electric cylinder drives the slider of the second base plate of the welding mechanism to move, and the left rail electric cylinder drives the slider of the first base plate of the wire stripping mechanism to move.

A welding process using terminal welding equipment, the specific method is as follows:

1) Pass the wire on the spool through the upper pinch roller and the lower pinch roll, and then pass through the small turntable and the large turntable, and send it into the conduit one;

2) The large turntable is driven by the large motor to rotate, and the wire is fed into the wire stripping mechanism. When the wire passes through the knife edge between the sliding cutter and the fixed cutter, the left guide rail electric cylinder drives the wire stripping mechanism to move to the right along the guide rail to complete the wire stripping work. , then the stripping mechanism is reset, the right rail electric cylinder pushes the welding mechanism to the welding station, the wire continues to feed, and is sent to the welding table of the welding mechanism through the second wire pipe;

3) Hook the terminal on the gear, and send the terminal to the welding station through the rotation of the gear;

4) The solder wire on the solder wire reel is sent to the welding station through the solder wire feed wheel and the small pressure wheel;

5) Cylinder 5 drives the soldering iron to reset after dropping to the welding station, and cylinder 4 drives the punch to lower and then resets to complete the welding of wires and terminals.

Compared with the prior art, the beneficial effects of the present invention are:

The invention relates to a terminal welding equipment and a process, the equipment is small in size, convenient in use, high in automation, high in reliability, good in versatility and good in economy. It can achieve:

1) Wire peeling: The cylinder drives the sliding cutter to slide along the guide shaft to complete the peeling process, which greatly liberates the productivity and improves the production efficiency.

2) Terminal welding: The cylinder drives the punch and the soldering iron to slide up and down along the welding guide rail. After the terminal and solder wire to be processed reach the position of the wire core, the soldering iron and the punch are lowered and welded to complete. The combination of soldering and pressure welding can make welding The position is more precise and the welding quality is greatly improved.

Description of drawings

FIG. 1 is a structural diagram of a terminal welding equipment.

Fig. 2 is the general assembly drawing of the working part of the terminal welding equipment.

Figure 3 is a structural diagram of the wire feeding mechanism of the terminal welding equipment.

FIG. 4 is a structural diagram of the wire stripping mechanism of the terminal welding equipment.

FIG. 5 is a structural diagram of the welding mechanism of the terminal welding equipment.

In the figure: 1. Base; 2. Guide rail; 3. Slider; 4. Right guide rail electric cylinder; 5. Left guide rail electric cylinder; 6. Block; 7. Lower clamping roller; 8. Upper clamping roller; 9. Slide one; 10, cylinder one; 11, cylinder two; 12, small turntable; 13, slide two; 14, large motor; 15, conduit one; 16, large turntable; 17, side support plate; 18, Fixed tool; 19, guide shaft; 20, sliding tool; 21, cylinder three; 22, conduit two; 23, conduit support plate; 24, base plate one; 25, cylindrical support; 26, gear; 27, Solder wire feed wheel; 28, small motor one; 29, small motor two; 30, solder wire reel; 31, small pressure wheel; 32, punch; 33, cylinder four; 34, soldering iron; 35, cylinder five; 36 , welding guide rail; 37, welding support plate; 38, bottom plate two; 39, welding workbench; 40, wire reel support frame; 41, wire reel; 42, touch screen; 43, electrical cabinet.

Detailed ways

The present invention will be described in detail below, but the scope of implementation of the present invention is not limited to the following embodiments.

As shown in Figures 1-5, a terminal welding device includes a wire feeding mechanism, a wire stripping mechanism, a sliding base, and a welding mechanism. The wire feeding mechanism is arranged in front of the sliding base, and the wire stripping mechanism and the welding mechanism It is installed on the sliding base in sequence from the wire feeding direction, and is slidably connected with the sliding base.

The wire feeding mechanism includes a side support plate 17, a cylinder 10, a cylinder 2 11, an upper pinch roller 8, a lower pinch roll 7, a slider 1 9, a small turntable 12, a slider 2 13, a large turntable 16, and a large motor 14. , Line pipe one 15, the lower clamping roller 7 is installed on the side support plate 17 through the rotating shaft, the upper clamping roller 8 is installed on the sliding block 1 9 through the rotating shaft, and the sliding block 1 9 is passed through the cylinder 1. 10 is driven to slide up and down along the side support plate 17, the large turntable 16 is also installed on the side support plate 17, the large turntable 16 is driven to rotate by the large motor 14, and the small turntable 12 is installed on the slider two through the rotating shaft. 13, the slider 2 13 is driven by the cylinder 2 11 to slide up and down along the side support plate 17; the upper pinch roller 8 corresponds to the lower pinch roller 7, the large turntable 16 and the small turntable 12 Correspondingly, the conduit one 15 is fixed on the side support plate 17; the wire passes between the upper clamping roller 8 and the lower clamping roller 7, and then is conveyed by the small turntable 12 and the large turntable 16, and enters the conduit one 15. . The side support plate 17 is provided with sliding tracks for the first slider 9 and the second slider 13 . The upper clamping roller 8, the lower clamping roller 7 and the large turntable 16 are provided with wire routing grooves.

The wire stripping mechanism includes a cylinder 3 21, a sliding cutter 20, a guide shaft 19, a fixed cutter 18, a base plate 1 24, a conduit support plate 23, and a conduit 2 22. The guide shaft 19 is fixed on the base plate 1 24. , the fixed tool 18 is fixed on the lower part of the guide shaft 19, the cylinder 3 21 is installed on the upper end of the guide shaft 19, the cylinder 3 21 drives the sliding tool 20 to slide up and down along the guide shaft 19, the line pipe 2 22 is fixed on the bottom plate one 24 by the conduit support plate 23 , and the wire enters the conduit two 22 through the knife edge between the sliding cutter 20 and the fixed cutter 18 . The guide shaft 19 is fixed on the bottom plate one 24 through the cylindrical support 25 .

The welding mechanism includes a cylinder four 33, a cylinder five 35, a welding guide 36, a punch 32, a soldering iron 34, a welding support plate 37, a bottom plate 38, a welding table 39, a gear 26, a solder wire feed wheel 27, a small pressure Wheel 31, solder wire reel 30, small motor two 29, small motor one 28, the welding support plate 37 and the welding table 39 are adjacently arranged and fixed on the base plate two 38, and the cylinder four 33 and the cylinder five 35 are fixed on the base plate two 38. On the welding support plate 37, a welding guide rail 36 is provided below the cylinder four 33 and the cylinder five 35. The cylinder four 33 drives the punch 32 to slide up and down along the welding guide rail 36, and the cylinder five 35 drives the soldering iron 34 along the welding guide rail 36. As the welding guide rail 36 slides up and down, the gear 26, the solder wire feed wheel 27, the small pressure wheel 31 and the solder wire reel 30 are installed on the side wall of the welding table 39, and the solder wire feed wheel 27 is driven by a small motor The second 29 is driven to rotate, the gear 26 is driven to rotate by the small motor one 28, and the small pressure wheel 31 is the driven wheel of the solder wire feeding wheel 27.

The sliding base includes a guide rail 2, a slider 3, a right guide rail electric cylinder 4, and a left guide rail electric cylinder 5. There are two sliders 3, one is used to install the bottom plate 1 24 of the stripping mechanism, and the other is used to install The second base plate 38 of the welding mechanism, the right rail electric cylinder 4 drives the slider of the second base plate 38 of the welding mechanism to move, and the left rail electric cylinder 5 drives the slider of the first base plate 24 of the stripping mechanism to move.

The side support plate 17 , the guide rail 2 and the left and right guide rail electric cylinders are fixed on the base 1 .

A welding process using terminal welding equipment, the specific method is as follows:

1) Pass the wire on the spool 41 through the upper pinch roller 8 and the lower pinch roll 7, and then pass through the small turntable 12 and the large turntable 16, and then feed it into the conduit one 15.

Manually install wires, solder wire, and terminals. The large motor 14 realizes the feeding of the wire, and the first cylinder 10 and the second cylinder 11 respectively drive the sliding block 1 9 fixing the upper clamping roller 8 and the sliding block 2 13 fixing the small turntable 12 to compress and loosen the wire.

2) The large turntable 16 is driven to rotate by the large motor 14, and the wire is fed into the wire stripping mechanism. When the wire passes through the knife edge between the sliding cutter 20 and the fixed cutter 18, the left guide rail electric cylinder 5 drives the wire stripping mechanism to move to the right along the guide rail. , the wire stripping work is completed, then the wire stripping mechanism is reset, the right rail electric cylinder 4 pushes the welding mechanism to move to the designated welding station, the wire continues to feed, and is sent to the welding table 39 of the welding mechanism through the second conduit 22.

3) Hook the terminal on the gear 26, and send the terminal to the welding station through the rotation of the gear 26.

4) The solder wire on the solder wire reel 30 is sent to the welding station through the solder wire feeding wheel 27 and the small pressure wheel 31 .

The small motor one 28 and the small motor two 29 respectively drive the terminal and the solder wire to achieve feeding.

5) The cylinder five 35 and the cylinder four 33 respectively drive the soldering iron 34 and the punch 32 to drop to the welding station to complete the welding of the wire and the terminal.

The wire feeding mechanism pushes out the solder wire of the specified length, the cylinder five 35 drives the soldering iron 34 to drop to the welding station along the welding guide 36, the soldering iron 34 contacts the solder wire, the wire and the terminal to complete the welding, and the soldering iron resets; the cylinder four 33 drives the punch 32 Down, the punch resets after the pressing is completed. The wire stripping mechanism cuts off the wire; the small motor 1 28 drives the terminal to move, the welded terminal is moved out of the station, and the new terminal is in place, and the next working cycle begins.

Example 1

In this embodiment, the diameter of the processed wire is 2 mm, the welding length is 8 mm, the length of the tail wire is 200 mm, and the number of processed wires is 40. The specific implementation process is as follows: install the terminal on the gear 26, place the wire on the wire reel 41, place the solder wire on the solder wire reel 30, and stretch the wire end to the knife edge of the tool to make it in the initial state. Start the equipment, first, the big motor (Panasonic's MSMD motor) 14 works, drives the big turntable 16 to rotate, feeds the wire forward to the set welding length, the cylinder three (SMC's CQ2-Z XC11) 21 pushes the sliding cutter 20 down Movement, stop advancing when the sliding cutter cuts into the wire sheath, the left guide rail electric cylinder (ESBF from Festo) 5 pushes the stripping mechanism to move to the right along the standard SR45W guide rail 2 of THK, peels off the wire sheath and returns to the initial position, peeling The process is completed; secondly, the large turntable 16 is rotated again to feed the wire forward to the set length of the tail wire, and the welding mechanism slides to stop when the terminal to be welded reaches the position of the wire core. At this time, the soldering iron 34 descends, the solder wire is fed, and the welding is performed. After completion, the soldering iron is reset, and then the punch 32 is lowered to press down on the solder joint. After the pressure welding is completed, the punch is reset, and the welding process is completed; finally, the wire is cut off by the cutter of the wire stripping mechanism, and a complete welding process is completed.

Conclusion: The soldering of all wire terminals is completed. The operation is convenient and the welding is reliable, which greatly reduces the work intensity of workers and improves work efficiency.

Example 2

In this embodiment, the diameter of the processed wires is 4 mm, the welding length is 5 mm, the length of the tail wire is 180 mm, and the number of processed wires is 30. The specific implementation process is as follows: install the terminal on the gear 26, place the wire on the wire reel 41, place the solder wire on the solder wire reel 30, and stretch the wire end to the knife edge of the tool to make it in the initial state. Start the equipment, first, the big motor (Panasonic's MSMD motor) 14 works, drives the big turntable 16 to rotate, feeds the wire forward to the set welding length, the cylinder three (SMC's CQ2-Z XC11) 21 pushes the sliding cutter 20 down Movement, stop advancing when the sliding cutter cuts into the wire sheath, the left rail electric cylinder (ESBF from Festo) 5 pushes the stripping mechanism to move to the right along THK's standard SR45W guide rail 2, peels off the wire sheath and returns to the initial position, peeling The process is completed; secondly, the large turntable 16 is rotated again to feed the wire forward to the set length of the tail wire, and the welding mechanism slides to stop when the terminal to be welded reaches the position of the wire core. At this time, the soldering iron 34 is lowered, the solder wire is fed, and the welding is performed. After completion, the soldering iron is reset, and then the punch 32 is lowered to press down on the solder joint. After the pressure welding is completed, the punch is reset, and the welding process is completed; finally, the wire is cut off by the cutter of the wire stripping mechanism, and a complete welding process is completed.

Conclusion: The soldering of all wire terminals is completed. The operation is convenient and the welding is reliable, which greatly reduces the work intensity of workers and improves work efficiency.

Claims (6)

1. The terminal welding equipment is characterized by comprising a wire feeding mechanism, a wire stripping mechanism, a sliding base and a welding mechanism, wherein the wire feeding mechanism is arranged in front of the sliding base, and the wire stripping mechanism and the welding mechanism are sequentially arranged on the sliding base from the wire feeding direction and are in sliding connection with the sliding base.

2. The terminal welding device according to claim 1, wherein the wire feeding mechanism comprises a side support plate, a first air cylinder, a second air cylinder, an upper clamping roller, a lower clamping roller, a first sliding block, a small rotating disc, a second sliding block, a large rotating disc, a large motor and a first wire passing pipe, the lower clamping roller is mounted on the side support plate through a rotating shaft, the upper clamping roller is mounted on the first sliding block through a rotating shaft, the first sliding block slides up and down along the side support plate under the drive of the first air cylinder, the large rotating disc is also mounted on the side support plate, the large rotating disc is driven to rotate by the large motor, the small rotating disc is mounted on the second sliding block through a rotating shaft, and the second sliding block slides up and down along the side support plate under the drive of; the upper clamping roller corresponds to the lower clamping roller, the large turntable corresponds to the small turntable, and the first vent pipe is fixed on the side supporting plate; the conducting wire passes through the space between the upper clamping roller and the lower clamping roller and then enters the first passing pipe through the transmission of the small rotating disc and the large rotating disc.

3. The terminal welding equipment according to claim 1, wherein the wire stripping mechanism comprises a third air cylinder, a sliding cutter, a guide shaft, a fixed cutter, a first bottom plate, a first wire passing pipe supporting plate and a second wire passing pipe, the guide shaft is fixed on the first bottom plate, the fixed cutter is fixed on the lower portion of the guide shaft, the third air cylinder is installed at the upper end of the guide shaft, the third air cylinder drives the sliding cutter to slide up and down along the guide shaft, the second wire passing pipe is fixed on the first bottom plate through the wire passing pipe supporting plate, and a wire enters the second wire passing pipe through a knife edge between the sliding cutter and the fixed cutter.

4. The terminal welding device according to claim 1, wherein the welding mechanism comprises a cylinder four, a cylinder five, a welding guide rail, a punch, a soldering iron, a welding support plate, a base plate two, a welding workbench, a gear, a solder wire feeding wheel, a small pressing wheel, a solder wire coil, a small motor two and a small motor one, the welding support plate and the welding workbench are adjacently arranged and fixed on the base plate two, the cylinder four and the cylinder five are fixed on the welding support plate, the welding guide rail is arranged below the cylinder four and the cylinder five, the punch is driven by the cylinder four to slide up and down along the welding guide rail, the soldering iron is driven by the cylinder five to slide up and down along the welding guide rail, the gear, the solder wire feeding wheel, the small pressing wheel and the solder wire coil are mounted on the side wall of the welding workbench, and the solder wire feeding wheel is driven to rotate by the small motor two, the gear is driven to rotate by a small motor, and the small pressing wheel is a driven wheel of the solder wire feeding wheel.

5. The terminal welding device according to claim 1, wherein the sliding base comprises a guide rail, two sliding blocks, a right guide rail electric cylinder and a left guide rail electric cylinder, one sliding block is used for installing a first bottom plate of the wire stripping mechanism, the other sliding block is used for installing a second bottom plate of the welding mechanism, the right guide rail electric cylinder drives the sliding block of the second bottom plate of the welding mechanism to move, and the left guide rail electric cylinder drives the sliding block of the first bottom plate of the wire stripping mechanism to move.

6. A welding process using the terminal welding apparatus according to any one of claims 1 to 5, characterized in that the specific method is as follows:

1) the lead on the wire coil passes through the upper clamping roller and the lower clamping roller, passes through the small turntable and the large turntable and is sent into the first through pipe;

2) the large motor drives the large turntable to rotate, the lead is sent to the wire stripping mechanism, when the lead passes through a knife edge between the sliding cutter and the fixed cutter, the left guide rail electric cylinder drives the wire stripping mechanism to extend the guide rail to move rightwards, the wire stripping work is completed, then the wire stripping mechanism resets, the right guide rail electric cylinder pushes the welding mechanism to move to a welding station, the lead is continuously fed, and the lead is sent to a welding workbench of the welding mechanism through the wire passing pipe II;

3) hanging the terminal on a gear, and conveying the terminal to a welding station through the rotation of the gear;

4) the solder wires on the solder wire coil are sent to a welding station through a solder wire feeding wheel and a small pressing wheel;

5) and the air cylinder five drives the soldering iron to reset after falling to the welding station, and the air cylinder four drives the punch to reset after falling to complete the welding of the lead and the terminal.

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