Quick and automatic welding assembly for PCB (Printed Circuit Board) and stator

Abstract

The utility model provides a quick and automatic welding assembly for a PCB and a stator, and relates to the field of welding. The movable structure is installed at the front end of the welding body, two contact heads made of flexible rubber materials are bonded to the top end of the movable structure, wedge-shaped grooves are formed in the front ends of the contact heads, and two pressing plate structures are bonded to the top ends of the two contact heads. The PCB is placed above the moving structure and makes contact with the contact piece, then the driving motor controls the moving head to move through the screw rod, the contact head and the pressing plate structure are driven to move together, the contact head makes contact with the PCB through the wedge-shaped groove, meanwhile, the spring continuously pushes the pressing plate structure to press the contact head, and the contact head is made of a flexible rubber material. According to the rapid and automatic welding assembly for the PCB and the stator, the PCB can be in flexible contact with the PCB, abrasion or paint peeling at the edge position of the PCB is avoided, and the problem that according to a common rapid and automatic welding assembly for the PCB and the stator, due to the fact that the PCB is made of plastic, when the PCB is fixed, the paint peeling or abrasion at the edge position of the PCB is likely to happen is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of welding, in particular to a PCB and stator rapid automatic welding assembly. Background Art

[0002] When the PCB and the stator need to be quickly and automatically welded, a welding assembly is needed. During the welding process, the solder is automatically melted at the welding position with the help of high temperature, realizing fast and automatic welding. The welding assembly is a mechanical equipment specially used for welding PCB boards and stators. This welding assembly usually has the characteristics of high precision and high efficiency, can ensure the welding quality, and is suitable for various complex welding tasks. The welding assembly has the advantages of high precision and high quality, and is particularly suitable for the welding of small and precision electronic components such as PCB boards and micro fan circuit boards. The welding assembly usually includes key parts such as heating element, temperature controller, automatic tin supply mechanism and welding head. The welding assembly can significantly improve production efficiency and product qualification rate, and reduce the influence of human factors on welding accuracy.

[0003] In the common PCB and stator fast automatic welding components on the market, when the wire is fed into the wire feeding hole and is driven by the wire guide structure to move, the welding wire and the outer edge of the wire feeding hole are scratched, which can easily cause the welding wire to wear. In addition, when fixing the PCB board, since the PCB board is made of plastic, when it is fixed, it is easy to cause paint loss or wear at its edge. Utility Model Content

[0004] The disclosed embodiment relates to a PCB and stator rapid automatic welding assembly, wherein during use of the welding body, the tin soldering wire ring can be controlled to be sleeved on the outside of the rotating disk assembly and the sleeve bearing, and then fixed by a blocking member, and the welding wire can be controlled to pass through the wire guide head assembly, the wire guide hole and the wire guide gear, so that after the wire guide gear is driven by the motor to operate, the welding wire is pulled to move and feed the wire. When the welding wire moves in the wire guide hole, the top of the wire guide head assembly is an arc-shaped structure, which controls the wire guide to move smoothly, avoids scratches or wear, and enables the welding wire to move smoothly and feed the wire, thereby improving the wire feeding efficiency.

[0005] According to a first aspect of the present disclosure, a PCB and stator rapid automatic welding assembly is provided, which specifically includes: a welding body; a controller, a drive structure and a welding structure are provided above the front end of the welding body, and two wire guide head assemblies are installed at the front end of the welding body through a mounting frame, the top of the upper wire guide head assembly is an arc-shaped structure, and a wire guide hole is provided inside the wire guide head assembly; a moving structure; the moving structure is installed at the front end of the welding body and is slidably connected to the slide rail, and two moving heads are installed inside the moving structure through a drive motor and a screw, and two contact heads made of flexible rubber are bonded to the top of the moving head, and a wedge-shaped groove is provided at the front end of the contact head, and two pressure plate structures are bonded to the top of the two contact heads.

[0006] In at least some embodiments, a mounting bracket is fixed to the top of the welding body by bolts, a motor is installed inside the mounting bracket, and a rotating disk assembly is installed in front of the top of the mounting bracket through a rotating shaft; two set bearings are fixed to the outside of the rotating disk assembly, a block is inserted into the front end of the rotating disk assembly, and the inner end of the block is a smoothly rotating structure; a freely rotatable fixing rod is installed on the outside of the block through a threaded hole, and the bottom end of the fixing rod is inserted into the interior of the rotating disk assembly, and a wire guide gear is installed at the front end of the mounting bracket through a rotating shaft, and the wire guide gear is connected to the motor transmission, and the welding wire inside the wire guide hole passes between the wire guide gears.

[0007] In at least some embodiments, the side of the movable structure is connected to a freely retractable drive rod and is driven to move, and a top plate is fixed on the top of the movable structure; a drive motor is installed in the middle position of the movable structure and the top plate, and the drive motor drives the screw to rotate, and the outside of the screw is provided with symmetrically arranged threads, and a T-shaped shaft is fixed to the top of the movable head, and a spring is sleeved on the outside of the T-shaped shaft, and the T-shaped shaft is inserted into the interior of the pressure plate structure, and the bottom of the spring contacts the bottom of the pressure plate structure; a splicing plate structure is inserted on both sides of the top plate, and a contact piece made of flexible rubber is bonded to the top of the splicing plate structure, and a V-shaped groove is provided in the middle position of the bottom and both sides of the top of the contact piece, and a round hole is opened through the inside of the contact piece, and the middle position of the contact piece protrudes from the positions on both sides.

[0008] The utility model provides a PCB and stator rapid automatic welding assembly, which has the following beneficial effects:

[0009] During the use of the welding body, the tin soldering wire ring can be controlled to be mounted on the outside of the rotating disk assembly and the mounted bearing, and then blocked and fixed by the blocker, and the welding wire is controlled to pass through the wire guide head assembly, the wire guide hole and the wire guide gear. After the wire guide gear is driven by the motor, the welding wire is pulled to move and feed the wire. When the welding wire moves in the wire guide hole, the top of the wire guide head assembly is an arc-shaped structure, which controls the wire guide to move smoothly, avoids scratches or wear, and enables the welding wire to move smoothly and feed the wire, thereby improving the wire feeding efficiency.

[0010] When the PCB board needs to be fixed, the PCB board is placed on top of the movable structure and in contact with the contact piece. Then, the driving motor controls the displacement of the movable head through the screw, driving the contact head and the pressure plate structure to move together, so that the contact head contacts the PCB board through the wedge-shaped groove. At the same time, the spring continuously pushes the pressure plate structure to press the contact head. The contact head is made of flexible rubber material, so that it can flexibly contact with the PCB board to avoid wear or paint peeling at the edge of the PCB board. After the PCB board is pressed, the middle position of the contact piece is subjected to force, so that the two sides of the contact piece are brought together, thereby improving the contact and fixing effect with the PCB board. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings of the embodiments will be briefly introduced below.

[0012] The drawings described below only relate to some embodiments of the present invention, but are not intended to limit the present invention.

[0013] In the attached figure:

[0014] Figure 1 Shows a schematic diagram of the three-dimensional structure of the present application;

[0015] Figure 2 Shows a schematic diagram of the exploded three-dimensional structure of the present application;

[0016] Figure 3 It shows a schematic diagram of the exploded three-dimensional structure of the welding body of the present application;

[0017] Figure 4 Shows an exploded perspective view and a partial cross-sectional structural diagram of the mounting frame of the present application;

[0018] Figure 5 Shows a schematic diagram of the exploded three-dimensional structure of the mobile structure of the present application;

[0019] Figure 6 A schematic diagram of the mobile structure of the present application is shown as an exploded bottom view;

[0020] Reference Signs List

[0021] 1. Welding body; 101. Mounting frame; 102. Rotating disk assembly; 103. Set bearing; 104. Stopper; 105. Fixing rod; 106. Guide wire gear; 107. Guide wire head assembly; 108. Guide wire hole;

[0022] 2. Moving structure; 201. Driving rod; 202. Top plate; 203. Driving motor; 204. Splicing plate structure; 205. Contact piece; 206. Moving head; 207. Contact head; 208. Press plate structure. DETAILED DESCRIPTION

[0023] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the described embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0024] Example 1: Please refer to Figures 1 to 6 :

[0025] The utility model proposes a PCB and stator fast automatic welding assembly, comprising: a welding body 1; a controller, a driving structure and a welding structure are provided above the front end of the welding body 1; two wire guide head assemblies 107 are installed at the front end of the welding body 1 through a mounting frame 101; the top of the upper wire guide head assembly 107 is an arc-shaped structure, and a wire guide hole 108 is opened inside the wire guide head assembly 107, so that after the welding wire passes through the wire guide head assembly 107 and the wire guide hole 108, the top of the wire guide head assembly 107 controls the welding wire to move smoothly to avoid excessive wear and scratches; a moving structure 2; a moving structure 3; a moving structure 4; a moving structure 5; a moving structure 6; a moving structure 7; a moving structure 8; a moving structure 9; a moving structure 10 The structure 2 is installed at the front end of the welding body 1 and is slidably connected to the slide rail. Two moving heads 206 are installed inside the moving structure 2 through the drive motor 203 and the screw. The top of the moving head 206 is bonded with two contact heads 207 made of flexible rubber material. The front end of the contact head 207 is provided with a wedge-shaped groove. The top of the two contact heads 207 is bonded with two pressure plate structures 208, so that the contact head 207 moves together with the pressure plate structure 208, so that the contact head 207 is flexibly in contact with the PCB board through the wedge-shaped groove, thereby improving the anti-slip fixing effect. At the same time, it can be flexibly contacted and fixed to avoid paint peeling at the edge of the PCB board.

[0026] In the embodiment of the present disclosure, Figure 3 and Figure 4As shown, the top of the welding body 1 is fixed with a mounting frame 101 by bolts, which is used to support the tin soldering wire ring. A motor is installed inside the mounting frame 101 to drive the wire guide gear 106 to rotate the wire guide. A rotating disk assembly 102 is installed in front of the top of the mounting frame 101 through a rotating shaft to drive the tin soldering wire ring to rotate smoothly; two set bearings 103 are fixed on the outside of the rotating disk assembly 102 to contact the inside of the tin soldering wire ring to further improve the smoothness of rotation. A stopper 104 is inserted into the front end of the rotating disk assembly 102, and the stopper 104 is inserted into the The end is a smoothly rotating structure to prevent the smooth rotation of the solder wire ring from being affected after the stopper 104 is clamped; a freely rotatable fixing rod 105 is installed on the outside of the stopper 104 through a threaded hole, and the bottom end of the fixing rod 105 is inserted into the interior of the rotating disk assembly 102 to limit and fix the stopper 104. A wire guide gear 106 is installed on the front end of the mounting frame 101 through a rotating shaft. The wire guide gear 106 is connected to the motor transmission. The welding wire inside the wire guide hole 108 passes between the wire guide gears 106, so that the wire guide gear 106 clamps the welding wire and moves to supply wire.

[0027] In the embodiment of the present disclosure, Figure 5 and Figure 6 As shown, the side of the mobile structure 2 is connected to the freely retractable driving rod 201 and is driven to move, so that the mobile structure 2 drives the PCB board to move and adjust the position. A top plate 202 is fixed on the top of the mobile structure 2; a driving motor 203 is installed in the middle position of the mobile structure 2 and the top plate 202. The driving motor 203 drives the screw to rotate. The outside of the screw is provided with symmetrically arranged threads, so that the symmetrically arranged threads at both ends control the two moving heads 206 to move in opposite directions, generating a force to clamp the PCB board. A T-shaped shaft is fixed on the top of the moving head 206. A spring is sheathed on the outside of the T-shaped shaft. The T-shaped shaft is inserted into the inside of the pressure plate structure 208. The spring The bottom of the top plate 202 contacts the bottom of the pressure plate structure 208, so that the pressure plate structure 208 is continuously stressed and the contact head 207 is pressed down. A splicing plate structure 204 is inserted on both sides of the top plate 202, driving the contact piece 205 to be installed and used together. The top of the splicing plate structure 204 is bonded with a contact piece 205 made of flexible rubber material. A V-shaped groove is provided in the middle position of the bottom and both sides of the top of the contact piece 205. A circular hole is opened through the inside of the contact piece 205. The middle position of the contact piece 205 protrudes from the positions on both sides. After the PCB board is pressed, the middle position of the contact piece 205 is pressed down to bring the two sides together, thereby assisting in fixing the PCB board and improving the fixing effect.

[0028] The working principle of this embodiment is as follows: when it is necessary to automatically and quickly weld the PCB board and the stator, the solder wire ring can be controlled to be sleeved on the outer side of the sleeve bearing 103 and the rotating disk assembly 102, the stopper 104 can be controlled to be installed and fixed by the fixing rod 105, and then the welding wire can be controlled to pass through the wire guide hole 108 of the wire guide head assembly 107 and the wire guide gear 106, and then the welding wire is in the standard position, and then the PCB board can be controlled to be placed above the moving structure 2 and the contact member 205, and the moving head 206 can be controlled by the driving motor 203 and the screw. The contact head 207 and the pressure plate structure 208 are displaced, and the contact head 207 contacts the edge of the PCB board through the wedge-shaped groove. At the same time, the wedge-shaped groove generates downward pressure and flexibly contacts the PCB board to prevent the edge of the PCB board from being damaged or the paint from falling off. Then the welding body 1 is controlled to operate. The welding body 1 controls the wire guide gear 106 to rotate, so that the welding wire passes through the wire guide head assembly 107 and smoothly displaces inside the wire guide hole 108 to avoid wear and scratches. The welding body 1 is automatically operated to automatically complete the welding of the PCB board and the stator.

[0029] In this article, there are several points to note:

[0030] 1. The drawings of the embodiments of the present disclosure only relate to the structures related to the embodiments of the present disclosure. Other structures may refer to conventional designs.

[0031] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to form new embodiments.

[0032] The above are only specific embodiments of the present disclosure, but the scope of protection of the present disclosure is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in this disclosure should be included in the scope of protection of the present disclosure. Therefore, the scope of protection of the present disclosure should be based on the scope of protection of the claims.

Claims

1. A PCB and stator rapid automatic welding assembly, characterized in that: include: A welding body (1); a controller, a driving structure and a welding structure are provided above the front end of the welding body (1); two wire guide head assemblies (107) are installed at the front end of the welding body (1) through a mounting frame (101); the top end of the wire guide head assembly (107) is an arc-shaped structure, and a wire guide hole (108) is provided inside the wire guide head assembly (107); a moving structure (2); the moving structure (2) is installed at the front end of the welding body (1) and is slidably connected to the slide rail; two moving heads (206) are installed inside the moving structure (2) through a driving motor (203) and a screw, and two contact heads (207) made of flexible rubber are bonded to the top end of the moving head (206); a wedge-shaped groove is provided at the front end of the contact head (207), and two pressure plate structures (208) are bonded to the top end of the two contact heads (207).

2. The PCB and stator rapid automatic welding assembly according to claim 1, characterized in that: A mounting frame (101) is fixed to the top of the welding body (1) via bolts, a motor is installed inside the mounting frame (101), and a rotating disk assembly (102) is installed in front of the top of the mounting frame (101) via a rotating shaft.

3. The PCB and stator rapid automatic welding assembly according to claim 2, characterized in that: Two sleeve bearings (103) are fixed to the outside of the rotating disk assembly (102), a stopper (104) is inserted into the front end of the rotating disk assembly (102), and the inner end of the stopper (104) is a structure capable of smooth rotation.

4. The PCB and stator rapid automatic welding assembly according to claim 3, characterized in that: A freely rotatable fixing rod (105) is mounted on the outside of the stopper (104) through a threaded hole. The bottom end of the fixing rod (105) is inserted into the interior of the rotating disk assembly (102). A wire guide gear (106) is mounted on the front end of the mounting frame (101) through a rotating shaft. The wire guide gear (106) is connected to the motor in a transmission manner. The welding wire inside the wire guide hole (108) passes between the wire guide gears (106).

5. The PCB and stator rapid automatic welding assembly according to claim 4, characterized in that: The side of the movable structure (2) is connected to a freely retractable driving rod (201) and is driven to move. A top plate (202) is fixed to the top of the movable structure (2).

6. The PCB and stator rapid automatic welding assembly according to claim 5, characterized in that: A driving motor (203) is installed in the middle of the moving structure (2) and the top plate (202). The driving motor (203) drives the screw to rotate. The outside of the screw is provided with symmetrically arranged threads. A T-shaped shaft is fixed to the top of the moving head (206). The outside of the T-shaped shaft is provided with a spring. The T-shaped shaft is inserted into the inside of the pressure plate structure (208), and the bottom of the spring contacts the bottom of the pressure plate structure (208).

7. The PCB and stator rapid automatic welding assembly according to claim 6, characterized in that: A splicing plate structure (204) is inserted into each of the two sides of the top plate (202). A contact piece (205) made of flexible rubber material is bonded to the top of the splicing plate structure (204). A V-shaped groove is provided at the bottom middle position and both sides of the top of the contact piece (205). A circular hole is provided through the interior of the contact piece (205), and the middle position of the contact piece (205) protrudes from the positions on both sides.

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