Displacement rotating structure for PCB welding

By designing the displacement control of the electric slide table and closed-loop screw stepper motor on the welding machine, combined with the rotation function of the rotary cylinder, the problem of insufficient multi-axis movement of the traditional wire bonding machine is solved, and the precise displacement and rotation of the PCB board is achieved, improving the improvement of the accuracy of the PCB board. Welding quality and flexibility.

CN222326941UActive Publication Date: 2025-01-10SHENZHEN UNMANNED TECH CO LTD
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Patent Information

Application Number
CN202420216026.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-01-29
Publication Date
2025-01-10
Estimated Expiration
2034-01-29

AI Technical Summary

Technical Problem

Traditional wire bonding machines lack multi-axis motion freedom during PCB board welding, making it difficult to meet the requirements of multiple solder joints on complex PCB boards, especially when multiple axial movements and rotations are required.

Method used

A displacement rotation structure including an electric sliding table, a closed-loop screw stepper motor and a rotary cylinder is designed. The electric sliding table is combined with a closed-loop screw stepper motor to achieve high-precision displacement control, and the tooling base is driven to rotate through the rotary cylinder. , combined with multi-axis motion control, adapt to different welding process requirements.

Benefits of technology

It realizes precise positioning and complex movement of PCB boards during welding, ensures accurate positioning of welding joints, adapts to flexible adjustments to different welding tasks, and improves welding quality and efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses and provides a displacement rotation structure for PCB welding, which comprises an electric sliding table, a sliding plate is movably installed on the outer surface of the top end of the electric sliding table, a tool sliding seat is fixedly installed on the outer surface of the top end of the sliding plate, and two sets of linear guide rails are fixedly installed on the outer surface of the top end of the tool sliding seat. According to the utility model, the electric sliding table is matched with the closed-loop lead screw stepping motor to complete displacement control on the front, back, left and right of the tool base, and the electric sliding table is matched with the closed-loop lead screw stepping motor to realize high-precision displacement control; the PCB can be accurately positioned in the welding process, it is ensured that the position of a welding spot is accurate, and due to the fact that the closed-loop lead screw stepping motor can conduct displacement control in multiple axial directions, the tool base and the PCB can conduct front-back and left-right complex movement, and the requirements of different welding processes are met.
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Description

Technical Field

[0001] The utility model relates to the technical field of PCB board welding displacement, in particular to a displacement rotation structure used for PCB board welding. Background Art

[0002] In the electronics manufacturing industry, PCB board welding is an important process. In order to achieve high-quality welding, the PCB board usually needs to be accurately positioned and rotated during the welding process to ensure the accurate position of the solder joints and good welding quality.

[0003] Traditional wire bonders usually have limited degrees of freedom, such as simple linear movement, but cannot achieve multi-axis movement. For solder joints on complex PCB boards, especially when multiple axial movements and rotations are required, traditional wire bonders are difficult to meet the requirements. Utility Model Content

[0004] (I) Purpose of the utility model

[0005] In view of this, the purpose of the present invention is to provide a displacement rotation structure for PCB board welding, which solves the problems raised in the above background.

[0006] (II) Technical solution

[0007] A displacement rotation structure for PCB board welding comprises an electric slide, a sliding plate is movably mounted on the top outer surface of the electric slide, and a tooling slide is fixedly mounted on the top outer surface of the sliding plate, two groups of linear guides are fixedly mounted on the top outer surface of the tooling slide, and sliding blocks are movably mounted on the top outer surfaces of the two groups of linear guides, a limit plate is fixedly mounted on one end of the tooling slide, and a closed-loop lead screw stepper motor is fixedly mounted on the outer surface of one end of the limit plate, one end of the closed-loop lead screw stepper motor is connected to a lead screw, and a sliding part is movably mounted on the outer surface of the lead screw, a linkage part is fixedly mounted on the outer surface of the sliding part, and one end of the linkage part is connected to a cylinder seat, and a rotating mechanism is arranged on the top outer surface of the cylinder seat.

[0008] Preferably, the rotating mechanism includes a rotary cylinder, and the rotary cylinder is fixedly mounted on the top outer surface of the cylinder seat.

[0009] Preferably, the top end of the rotary cylinder is connected to a rotating ring, and the top end of the rotating ring is connected to a tooling base.

[0010] Preferably, multiple sets of connecting plates are fixedly installed on the outer surfaces of both sides of the electric slide, and multiple sets of screw holes are opened on the outer surfaces of the multiple sets of connecting plates.

[0011] Preferably, a limiting thread sleeve is provided on the outer surface of the top end of the tooling slide, and a threaded rod is movably installed in the inner wall of the limiting thread sleeve.

[0012] Preferably, a plurality of groups of positioning pins are fixedly mounted on the outer surface of the tooling base, and a placement plate is clamped on the outer surface of the plurality of groups of positioning pins.

[0013] It can be seen from the above technical solutions that the present application has the following beneficial effects:

[0014] 1. The utility model uses an electric slide table in conjunction with a closed-loop screw stepper motor to complete the displacement control of the tooling base in the front, back, left, and right directions. The PCB board placed on the tooling base can be displaced according to welding needs. The electric slide table in conjunction with the closed-loop screw stepper motor can achieve high-precision displacement control, so that the PCB board can be accurately positioned during the welding process to ensure that the position of the soldering point is accurate. Moreover, since the closed-loop screw stepper motor can perform displacement control in multiple axial directions, the tooling base and the PCB board can achieve complex movements in the front, back, left, and right directions to meet the requirements of different welding processes.

[0015] 2. The utility model can drive the tooling base to rotate through a control mechanism through a rotary cylinder installed on the cylinder seat to complete the rotational movement of the PCB board. The rotary cylinder can realize the rotational movement of the tooling base, and combined with the front, rear, left and right displacement control of the electric slide, multi-axis motion control is realized, so that the welding machine can flexibly adjust the position and angle of the PCB board to meet the requirements of different welding tasks. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the first three-dimensional structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the second three-dimensional structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the explosion structure of the utility model;

[0019] Figure 4 For this utility model Figure 3 Enlarged structural diagram at A in the middle.

[0020] In the figure: 1. electric slide; 2. tooling slide; 3. linear guide; 4. lead screw; 5. closed-loop lead screw stepper motor; 6. limit thread sleeve; 7. rotary cylinder; 8. tooling base; 9. connecting plate; 211. sliding block; 212. cylinder seat; 213. rotating ring; 214. limit plate; 215. sliding part; 216. linkage part; 217. sliding plate; 218. positioning pin; 219. placement plate. DETAILED DESCRIPTION

[0021] The following description is merely exemplary in nature and is not intended to limit the present disclosure, application, and use. It should be understood that in all of these figures, the same or similar reference numerals indicate the same or similar parts and features. The various drawings only schematically represent the concepts and principles of the embodiments of the present disclosure, and do not necessarily show the specific dimensions and proportions of the various embodiments of the present disclosure. Specific parts in specific drawings may be exaggerated to illustrate the relevant details or structures of the embodiments of the present disclosure.

[0022] See also Figure 1-4 , an embodiment provided by the utility model:

[0023] A displacement rotation structure for PCB board welding, comprising an electric slide 1, a sliding plate 217 is movably installed on the top outer surface of the electric slide 1, and a tooling slide 2 is fixedly installed on the top outer surface of the sliding plate 217, two sets of linear guides 3 are fixedly installed on the top outer surface of the tooling slide 2, and sliding blocks 211 are movably installed on the top outer surfaces of the two sets of linear guides 3, a limit plate 214 is fixedly installed on one end of the tooling slide 2, and a closed-loop screw stepper motor 5 is fixedly installed on the outer surface of one end of the limit plate 214, and the electric slide 1 is matched with the closed-loop screw stepper motor 5, and one end of the closed-loop screw stepper motor 5 is connected to a screw 4, so that The screw rod 4 can rotate, and a sliding member 215 is movably installed on the outer surface of the screw rod 4, thereby driving the sliding member 215 to move. A linkage member 216 is fixedly installed on the outer surface of the sliding member 215. The movement of the sliding member 215 drives the linkage member 216 to move synchronously, and one end of the linkage member 216 is connected to the cylinder seat 212, so that the tooling slide 2 can move, and then the sliding block 211 moves on the outer surface of the linear guide 3. A rotating mechanism is provided on the top outer surface of the cylinder seat 212, and the bottom end of the cylinder seat 212 is fixedly connected to the sliding block 211, so that the cylinder seat 212 can move stably.

[0024] Furthermore, the rotating mechanism includes a rotary cylinder 7, and the rotary cylinder 7 is fixedly mounted on the top outer surface of the cylinder seat 212. The rotary cylinder 7 is fixed on the top outer surface of the cylinder seat 212, which is convenient for maintenance and care of the rotating mechanism.

[0025] Furthermore, the top of the rotary cylinder 7 is connected to a rotating ring 213, and the top of the rotating ring 213 is connected to a tooling base 8. The top of the rotary cylinder 7 is connected to the rotating ring 213, and then the tooling base 8 is connected through the rotating ring 213, thereby ensuring the stability of the rotating mechanism, making it less likely for the rotating mechanism to shake or deviate during rotation, thereby ensuring the smoothness and accuracy of the rotational motion.

[0026] Furthermore, multiple sets of connecting plates 9 are fixedly installed on the outer surfaces of both sides of the electric slide 1, and multiple sets of screw holes are opened on the outer surfaces of the multiple sets of connecting plates 9. By installing multiple sets of connecting plates 9 on the outer surfaces of both sides of the electric slide 1, a flexible connection interface is provided for the welding machine.

[0027] Furthermore, a limiting thread sleeve 6 is provided on the outer surface of the top end of the tooling slide 2, and a screw rod 4 is movably installed in the inner wall of the limiting thread sleeve 6. Through the combination of the limiting thread sleeve 6 and the screw rod 4, it is ensured that the cylinder seat 212 will not exceed the predetermined displacement range during movement. This limiting protection can prevent excessive displacement or collision, and protect the stability and safety of the welding machine and the cylinder seat 212.

[0028] Furthermore, a plurality of groups of positioning pins 218 are fixedly installed on the outer surface of the tooling base 8, and a placement plate 219 is engaged with the outer surface of the plurality of groups of positioning pins 218, and a PCB board is placed on the outer surface of the placement plate 219. The outer surfaces of the plurality of groups of positioning pins are engaged with the placement plate, which provides a stable support for the placement plate, so that the placed PCB board is in a stable state, avoiding shaking or displacement during the welding process, and ensuring the consistency and reliability of welding.

[0029] Working principle: First, the new type uses an electric slide 1 to cooperate with a closed-loop screw stepper motor 5, so that the screw 4 can rotate, thereby driving the sliding member 215 to move. The movement of the sliding member 215 drives the linkage member 216 to move synchronously, so that the tooling slide 2 can move, and then the sliding block 211 moves on the outer surface of the linear guide 3, so that the PCB board placed on the tooling base 8 can be displaced according to welding needs, and the rotary cylinder 7 installed on the cylinder seat 212 can drive the tooling base 8 to rotate through the control mechanism to complete the rotation movement of the PCB board.

[0030] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A displacement rotation structure for PCB board welding, comprising an electric slide table (1), characterized in that: A sliding plate (217) is movably mounted on the outer surface of the top end of the electric slide (1), and a tooling slide (2) is fixedly mounted on the outer surface of the top end of the sliding plate (217); two sets of linear guide rails (3) are fixedly mounted on the outer surface of the top end of the tooling slide (2), and sliding blocks (211) are movably mounted on the outer surfaces of the top ends of the two sets of linear guide rails (3); a limit plate (214) is fixedly mounted on one end of the tooling slide (2), and a closed-loop screw stepper motor (5) is fixedly mounted on the outer surface of one end of the limit plate (214); one end of the closed-loop screw stepper motor (5) is connected to a screw (4), and a sliding member (215) is movably mounted on the outer surface of the screw (4); a linkage member (216) is fixedly mounted on the outer surface of the sliding member (215), and one end of the linkage member (216) is connected to a cylinder seat (212); and a rotating mechanism is arranged on the outer surface of the top end of the cylinder seat (212).

2. The displacement rotation structure for PCB board welding according to claim 1, characterized in that: The rotating mechanism comprises a rotary cylinder (7), and the rotary cylinder (7) is fixedly mounted on the top outer surface of the cylinder seat (212).

3. The displacement rotation structure for PCB board welding according to claim 2 is characterized in that: The top end of the rotary cylinder (7) is connected to a rotating ring (213), and the top end of the rotating ring (213) is connected to a tooling base (8).

4. The displacement rotation structure for PCB board welding according to claim 1, characterized in that: Multiple groups of connection plates (9) are fixedly mounted on the outer surfaces of both sides of the electric slide (1), and multiple groups of screw holes are provided on the outer surfaces of the multiple groups of connection plates (9).

5. The displacement rotation structure for PCB board welding according to claim 1, characterized in that: A limit thread sleeve (6) is provided on the outer surface of the top end of the tooling slide seat (2), and a threaded rod (4) is movably installed in the inner wall of the limit thread sleeve (6).

6. The displacement rotation structure for PCB board welding according to claim 3 is characterized in that: A plurality of groups of positioning pins (218) are fixedly mounted on the outer surface of the tooling base (8), and a placement plate (219) is clamped on the outer surface of the plurality of groups of positioning pins (218).