PCB terminal wire welding machine

Abstract

The utility model discloses a PCB terminal wire welding machine which comprises a PCB feeding mechanism, a terminal wire feeding mechanism arranged beside the PCB feeding mechanism, a tin soldering module arranged above the PCB feeding mechanism and used for welding a terminal wire A to a PCB, and a material taking module used for grabbing the terminal wire to be in butt joint with the PCB to provide soldering tin. The terminal wire feeding mechanism comprises a circulating transmission module and a plurality of wire harness jigs which are arranged on the circulating transmission module and used for positioning terminal wires, and positioning grooves used for positioning the terminal wires are formed in the wire harness jigs. Terminal wires are placed on a wire harness jig in the direction, PCBs are placed on a PCB feeding mechanism, the terminal wires are conveyed to the position below a material taking module one by one through a circulating conveying module, the PCBs are moved to the position below a tin soldering module through the PCB feeding mechanism, the terminal wires are grabbed through the material taking module and moved to the position above the PCB feeding mechanism to be in butt joint with the PCBs, and the terminal wires are conveyed to the PCB feeding mechanism through the PCB feeding mechanism. And then the terminal wire and the PCB are welded together by moving the tin soldering module to the butt joint position.

Description

A PCB terminal wire soldering machine Technical Fields:

[0001] This utility model relates to the field of PCB board welding technology, and specifically to a PCB terminal wire welding machine. Background Technology:

[0002] A PCB wire bonding machine is an automated device used for soldering electronic components onto printed circuit boards (PCBs). It primarily ensures the stability and reliability of electrical connections by precisely soldering electronic components onto the PCB. It consists of a soldering head, an automatic feeding system, a positioning system, a control system, and a work platform. The soldering head melts the solder wire or solder and places it in the designated position. The automatic feeding system ensures a continuous supply of solder wire or solder. The positioning system uses optical sensors and a robotic arm to precisely position the PCB and components. The control system coordinates the work of each part through a preset program, achieving efficient and high-precision soldering operations. The working principle of a PCB wire bonding machine includes positioning and fixing the PCB, automatic feeding, soldering operation, inspection and adjustment, and completion of soldering. Its advantages include high precision, high efficiency, good consistency, and labor savings. It is widely used in consumer electronics, communication equipment, automotive electronics, medical equipment, and other fields, improving production efficiency and product quality, and meeting the demands of modern electronics manufacturing for high-precision, high-quality soldering.

[0003] Chinese patent application CN118848154A discloses a PCB wire bonding machine, comprising a frame, a wire feeding and cutting mechanism mounted on the frame for automatically providing bonding wires, a PCB feeding mechanism mounted on the frame for automatically providing PCB boards, a wire transfer welding robot positioned between the wire feeding and cutting mechanism and the PCB feeding mechanism for gripping the bonding wires and welding them to the PCB board, and a first rotary clamping mechanism and a soldering mechanism mounted on the wire transfer welding robot. The wire transfer welding robot drives the first rotary clamping mechanism to grip the bonding wires and move them to the PCB feeding mechanism, aligning them with the welding position on the PCB board. The soldering mechanism then welds the aligned bonding wires to the PCB board. The first rotary clamping mechanism adjusts the direction of the bonding wires to allow bonding to different PCB boards, thus enabling wire bonding to different types of PCB boards and significantly improving the equipment's versatility and production efficiency.

[0004] However, the aforementioned patent solution only addresses the soldering of wires without terminals to PCB boards. For assemblies with electronic components, the patent cannot achieve material loading and soldering. Currently, manual material loading and soldering are still used in the market, which is not only inefficient but also poses safety hazards.

[0005] In view of the above, the inventors propose the following technical solution. Invention content and utility model content:

[0006] The purpose of this utility model is to overcome the shortcomings of the existing technology and provide a PCB terminal wire soldering machine.

[0007] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: a PCB terminal wire soldering machine, comprising: a PCB board loading mechanism, a terminal wire feeding mechanism disposed beside the PCB board loading mechanism, a soldering module disposed above the PCB board loading mechanism for soldering terminal wires to the PCB board, and a material picking module for gripping terminal wires and providing solder to the PCB board, wherein the terminal wire feeding mechanism includes a circulating transmission module and several wire harness fixtures arranged on the circulating transmission module for positioning terminal wires, and the wire harness fixtures are provided with at least one positioning groove for positioning terminal wires.

[0008] Furthermore, in the above technical solution, the circulating transmission module includes a chain assembly and a first motor for driving the chain assembly to work. The chain assembly has several L-shaped support plates that move accordingly, and the wire harness fixture is mounted on the L-shaped support plates.

[0009] Furthermore, in the above technical solution, the terminal wire feeding mechanism further includes a first upright plate for supporting the circulating transmission module, a protective cover disposed on the first upright plate and covering the circulating transmission module, a first upper positioning plate disposed on the protective cover for positioning the terminal wire, a first sensor disposed at one end of the circulating transmission module for detecting whether the terminal wire is in place, and a positioning fixture disposed on the first upright plate for pressing and positioning the in place terminal wire. The upper end of the wire harness fixture extends out of the protective cover, and the protective cover is provided with a stroke groove for allowing the wire harness fixture to move.

[0010] Furthermore, in the above technical solution, the positioning fixture includes a horizontal cylinder disposed on the back of the first upright plate and perpendicular to the circulating transmission module, a vertical cylinder disposed on the horizontal cylinder, a supporting sheet metal disposed on the vertical cylinder and extending to the front of the first upright plate, a spring seat disposed on the supporting sheet metal, and a positioning plate mounted on the spring seat and capable of pressing down and clamping the end of the terminal wire. The lower end of the positioning plate is provided with multiple V-grooves. A gap is reserved between the wire harness fixture and the positioning plate for the material picking module to clamp the terminal wire.

[0011] Furthermore, in the above technical solution, the PCB board loading mechanism includes an X-axis moving module that is perpendicular to the circulating transmission module and a welding support fixture disposed on the X-axis moving module for receiving the PCB board.

[0012] Furthermore, in the above technical solution, a support frame for supporting the soldering module and the material picking module is provided across the PCB board loading mechanism. The support frame is provided with a first Y-axis moving module and a second Y-axis moving module for driving the soldering module and the material picking module to move horizontally, respectively.

[0013] Furthermore, in the above technical solution, the material handling module includes a first Z-axis guide rail vertically arranged on the second Y-axis moving module, a lifting arm arranged on the first Z-axis guide rail, a clamping cylinder arranged on the lifting arm, a left clamping arm and a right clamping arm arranged on the clamping cylinder and cooperating to clamp the terminal wire, an intermediate arm arranged on the clamping cylinder and extending between the left clamping arm and the right clamping arm, and a first cylinder for driving the lifting arm to move along the first Z-axis guide rail.

[0014] Furthermore, in the above technical solution, the soldering module includes a second Z-axis guide rail vertically arranged on the first Y-axis moving module, a second Z-axis moving seat and a third Z-axis moving seat arranged on the second Z-axis guide rail, a four-axis soldering iron arranged on the second Z-axis moving seat, a wire clamping sheet metal arranged on the third Z-axis moving seat for clamping terminal wires, a solder dispensing pin arranged on the third Z-axis moving seat and extending to the wire clamping sheet metal, a solder blowing tube arranged on the third Z-axis moving seat and extending to the wire clamping sheet metal, and a second cylinder and a third cylinder arranged on the first Y-axis moving module for driving the second Z-axis moving seat and the third Z-axis moving seat to move up and down respectively.

[0015] Furthermore, in the above technical solution, the first Y-axis moving module and the second Y-axis moving module share two Y-axis guide rails.

[0016] After adopting the above technical solution, the present invention has the following beneficial effects compared with the prior art: In the present invention, the terminal wires are placed on the wire harness fixture according to the direction, and the PCB board is placed on the PCB board loading mechanism. The circulating transmission module transmits the terminal wires one by one to the bottom of the picking module, and the PCB board loading mechanism moves the PCB board to the bottom of the soldering module. The picking module picks up the terminal wires and moves them to the top of the PCB board loading mechanism to dock with the PCB board. Then, the soldering module moves them to the docking point to solder the terminal wires to the PCB board. Figure description:

[0017] Figure 1 is a perspective view of this utility model;

[0018] Figure 2 is a perspective view of the terminal wire feeding mechanism of this utility model;

[0019] Figure 3 is an internal structural diagram of the terminal wire feeding mechanism of this utility model;

[0020] Figure 4 is a structural schematic diagram of the positioning fixture in this utility model;

[0021] Figure 5 is a schematic diagram of the installation of the soldering module and the material handling module in this utility model;

[0022] Figure 6 is a structural schematic diagram of the material handling module in this utility model;

[0023] Figure 7 is a schematic diagram of the soldering module in this utility model. Detailed implementation method:

[0024] The present invention will be further described below with reference to specific embodiments and accompanying drawings.

[0025] As shown in Figures 1 to 7, a PCB terminal wire soldering machine includes: a PCB board loading mechanism 1, a terminal wire feeding mechanism 2 disposed beside the PCB board loading mechanism 1, a soldering module 3 disposed above the PCB board loading mechanism 1 for soldering terminal wires A to PCB board B, and a material picking module 4 for gripping terminal wires A and providing solder to PCB board B. The terminal wire feeding mechanism 2 includes a circulating transmission module 21 and several wire harness fixtures 22 arranged on the circulating transmission module 21 for positioning terminal wires A. The wire harness fixtures 22 are provided with at least one positioning groove 221 for positioning terminal wires A. The terminal wires A are placed on the wire harness fixture 22 according to their direction, and the PCB board B is placed on the PCB board loading mechanism 1. The circulating transmission module 21 transfers the terminal wires A one by one to the bottom of the picking module 4. The PCB board loading mechanism 1 moves the PCB board B to the bottom of the soldering module 3. The picking module 4 picks up the terminal wires A and moves them to the top of the PCB board loading mechanism 1 to dock with the PCB board B. Then, the soldering module 3 moves them to the docking point to solder the terminal wires A and the PCB board B together.

[0026] The circulating transmission module 21 includes a chain assembly 211 and a first motor 212 for driving the chain assembly 211. Several L-shaped support plates 213 are mounted on the chain of the chain assembly 211, and the wire harness fixture 22 is mounted on the L-shaped support plates 213. The chain assembly 211 is used for the circulating transmission of the wire harness fixture 22. Utilizing the characteristics of the chain assembly 211, the material placement area can be extended to a sufficient length, thereby facilitating the placement of terminal wires A onto the wire harness fixture 22 and maintaining the efficient feeding of the terminal wire feeding mechanism 2.

[0027] The terminal wire feeding mechanism 2 further includes a first upright plate 23 for supporting the circulating transmission module 21, a protective cover 24 disposed on the first upright plate 23 and covering the circulating transmission module 21, a first upper positioning plate 25 disposed on the protective cover 24 for positioning the terminal wire A, a first sensor 26 disposed at one end of the circulating transmission module 21 for detecting whether the terminal wire A is in place, and a positioning fixture 27 disposed on the first upright plate 23 for pressing and positioning the in place terminal wire A. The upper end of the wire harness fixture 22 extends out of the protective cover 24, and the protective cover 24 is provided with a stroke groove 28 for the wire harness fixture 22 to move.

[0028] The positioning fixture 27 includes a horizontal cylinder 271 disposed on the back of the first upright plate 23 and perpendicular to the circulating transmission module 21, a vertical cylinder 272 disposed on the horizontal cylinder 271, a support sheet metal 273 disposed on the vertical cylinder 272 and extending to the front of the first upright plate 23, a spring seat 274 disposed on the support sheet metal 273, and a positioning plate 275 mounted on the spring seat 274 and capable of pressing down to clamp the end of the terminal wire A. The lower end of the positioning plate 275 is provided with a plurality of V-grooves 275A. A gap is reserved between the wire harness fixture 22 and the positioning plate 275 for the material picking module 4 to clamp the terminal wire A.

[0029] The PCB board loading mechanism 1 includes an X-axis moving module 11 that is perpendicular to the circulating transmission module 21 and a welding support fixture 12 that is disposed on the X-axis moving module 11 and used to receive the PCB board B.

[0030] A support frame 5 is horizontally arranged on the PCB board loading mechanism 1 to support the soldering module 3 and the material handling module 4. The support frame 5 is equipped with a first Y-axis moving module 51 and a second Y-axis moving module 52 for driving the soldering module 3 and the material handling module 4 to move horizontally. The first Y-axis moving module 51 and the second Y-axis moving module 52 share two Y-axis guide rails 53. By sharing the Y-axis guide rails 53, the soldering module 3 and the material handling module 4 can remain coplanar in the Y-axis direction.

[0031] The material handling module 4 includes a first Z-axis guide rail 41 vertically arranged on the second Y-axis moving module 52, a lifting arm 42 arranged on the first Z-axis guide rail 41, a clamp cylinder 43 arranged on the lifting arm 42, a left clamp arm 44 and a right clamp arm 45 arranged on the clamp cylinder 43 and cooperating to clamp the terminal line A, an intermediate arm 46 arranged on the clamp cylinder 43 and extending between the left clamp arm 44 and the right clamp arm 45, and a first cylinder 47 for driving the lifting arm 42 to move along the first Z-axis guide rail 41.

[0032] The soldering module 3 includes a second Z-axis guide rail 31 vertically mounted on the first Y-axis moving module 51, a second Z-axis moving seat 32 and a third Z-axis moving seat 33 mounted on the second Z-axis guide rail 31, a four-axis soldering iron 34 mounted on the second Z-axis moving seat 32, a wire clamping sheet metal 35 mounted on the third Z-axis moving seat 33 for clamping terminal wire A, a solder ejection pin 36 mounted on the third Z-axis moving seat 33 and extending to the wire clamping sheet metal 35, a solder blowing tube 37 mounted on the third Z-axis moving seat 33 and extending to the wire clamping sheet metal 35, and a second cylinder 38 and a third cylinder 39 mounted on the first Y-axis moving module 51 for driving the second Z-axis moving seat 32 and the third Z-axis moving seat 33 to move up and down respectively.

[0033] In summary, this utility model employs a method where terminal wire A and PCB board B are placed on terminal wire feeding mechanism 2 and PCB board loading mechanism 1, respectively, to achieve automatic feeding of terminal wire A and PCB board B. Further, the first Y-axis moving module 51 drives the picking module 4 to pick up terminal wire A and connect it to PCB board B, and the second Y-axis moving module 52 drives the soldering module 3 to move to the connection point between terminal wire A and PCB board B for soldering. Of course, in this embodiment, PCB board B is a whole board, requiring the cooperation of PCB board loading mechanism 1 to connect terminal wire A with PCB board B at different positions, thus completing the soldering of the entire PCB board B and terminal wire A.

[0034] Of course, the above description is only a specific embodiment of the present utility model and is not intended to limit the scope of the present utility model. All equivalent changes or modifications made to the structure, features and principles described in the claims of the present utility model should be included in the scope of the claims of the present utility model.

Claims

1. A PCB terminal wire soldering machine, characterized in that, include: The PCB board loading mechanism (1), the terminal wire feeding mechanism (2) located next to the PCB board loading mechanism (1), the soldering module (3) located above the PCB board loading mechanism (1) and used to solder the terminal wire (A) to the PCB board (B), and the material picking module (4) used to pick up the terminal wire (A) and connect it to the PCB board (B) to provide solder, wherein the terminal wire feeding mechanism (2) includes a circulating transmission module (21) and several wire harness fixtures (22) arranged on the circulating transmission module (21) for positioning the terminal wire (A), and the wire harness fixture (22) is provided with at least one positioning groove (221) for positioning the terminal wire (A).

2. The PCB terminal wire soldering machine according to claim 1, characterized in that: The circulating transmission module (21) includes a chain assembly (211) and a first motor (212) for driving the chain assembly (211) to work. The chain assembly (211) has several L-shaped support plates (213) that move with it. The wire harness fixture (22) is mounted on the L-shaped support plates (213).

3. The PCB terminal wire soldering machine according to claim 1, characterized in that: The terminal wire feeding mechanism (2) further includes a first upright plate (23) for supporting the circulating transmission module (21), a protective cover (24) disposed on the first upright plate (23) and covering the circulating transmission module (21), a first upper positioning plate (25) disposed on the protective cover (24) for positioning the terminal wire (A), a first sensor (26) disposed at one end of the circulating transmission module (21) for detecting whether the terminal wire (A) is in place, and a positioning fixture (27) disposed on the first upright plate (23) for pressing and positioning the in place terminal wire (A). The upper end of the wire harness fixture (22) extends out of the protective cover (24), and the protective cover (24) is provided with a stroke groove (28) for allowing the wire harness fixture (22) to move.

4. The PCB terminal welding machine of claim 3, wherein: The positioning fixture (27) includes a horizontal cylinder (271) disposed on the back of the first upright plate (23) and perpendicular to the circulating transmission module (21), a vertical cylinder (272) disposed on the horizontal cylinder (271), a support sheet metal (273) disposed on the vertical cylinder (272) and extending to the front of the first upright plate (23), a spring seat (274) disposed on the support sheet metal (273), and a positioning plate (275) mounted on the spring seat (274) and capable of pressing down to clamp the end of the terminal wire (A). The lower end of the positioning plate (275) is provided with a plurality of V-grooves (275A). A gap is reserved between the wire harness fixture (22) and the positioning plate (275) for the material picking module (4) to clamp the terminal wire (A).

5. A PCB terminal wire soldering machine according to claim 1, characterized in that: The PCB board loading mechanism (1) includes an X-axis moving module (11) that is perpendicular to the circulating transmission module (21) and a welding support fixture (12) that is set on the X-axis moving module (11) and used to receive the PCB board (B).

6. A PCB terminal wire soldering machine according to any one of claims 1-5, characterized in that: The PCB board loading mechanism (1) is provided with a support frame (5) for supporting the soldering module (3) and the material picking module (4). The support frame (5) is provided with a first Y-axis moving module (51) and a second Y-axis moving module (52) for driving the soldering module (3) and the material picking module (4) to move horizontally.

7. The PCB terminal welding machine of claim 6, wherein: The material handling module (4) includes a first Z-axis guide rail (41) vertically arranged on the second Y-axis moving module (52), a lifting arm (42) arranged on the first Z-axis guide rail (41), a clamp cylinder (43) arranged on the lifting arm (42), a left clamp arm (44) and a right clamp arm (45) arranged on the clamp cylinder (43) and cooperating to clamp the terminal wire (A), an intermediate arm (46) arranged on the clamp cylinder (43) and extending between the left clamp arm (44) and the right clamp arm (45), and a first cylinder (47) for driving the lifting arm (42) to move along the first Z-axis guide rail (41).

8. The PCB terminal welding machine of claim 6, wherein: The soldering module (3) includes a second Z-axis guide rail (31) vertically mounted on the first Y-axis moving module (51), a second Z-axis moving seat (32) and a third Z-axis moving seat (33) mounted on the second Z-axis guide rail (31), a four-axis soldering iron (34) mounted on the second Z-axis moving seat (32), a wire clamping sheet metal (35) mounted on the third Z-axis moving seat (33) for clamping the terminal wire (A), a solder ejector pin (36) mounted on the third Z-axis moving seat (33) and extending to the wire clamping sheet metal (35), a solder blowing tube (37) mounted on the third Z-axis moving seat (33) and extending to the wire clamping sheet metal (35), and a second cylinder (38) and a third cylinder (39) mounted on the first Y-axis moving module (51) for driving the second Z-axis moving seat (32) and the third Z-axis moving seat (33) to move up and down respectively.

9. The PCB tabbing machine of claim 6, wherein: The first Y-axis moving module (51) and the second Y-axis moving module (52) share two Y-axis guide rails (53).

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