New energy automobile motor stator PCB tinning tool

Abstract

The utility model relates to motor stator PCB board production technical field, concretely is a kind of new energy automobile motor stator PCB board tinning frock, including frock bottom plate, the middle of frock bottom plate is openwork design, the openwork bottom surface inner wall of frock bottom plate is fixedly installed with placing ring, the center of placing ring is provided with flow guide hole, the utility model discloses the clutch type linkage of adjusting vane, the continuous, accurate adjustment of central aperture can be realized, adjusting vane is annular and evenly distributed, the synchronous transmission of adjusting ring is driven by gear, the synchronous inward or outward of all adjusting vanes is pushed, so that PCB board is evenly gathered from all around, automatically accurate positioning to center, cooperate rubber pad on adjusting vane, both can firmly fix small size PCB board, and different diameter specifications small size circular PCB board can be seamlessly adapted, the design greatly reduces frock replacement frequency and spare frock bottom plate inventory, reduces equipment investment cost.

Description

Technical Field

[0001] This utility model relates to the field of motor stator PCB board production technology, specifically a soldering tool for a new energy vehicle motor stator PCB board. Background Technology

[0002] Traditional motor stators are typically made of laminated silicon steel sheets with coils wound around them, resulting in large and heavy stators. To support the continuous development of new energy vehicles, motor stator PCBs have emerged. Using PCB technology, motor stators are smaller, lighter, have higher power density, and a more compact motor structure. To further reduce motor size, the dimensions of the motor stator PCB are also designed to be smaller. During PCB production, equipment limitations pose challenges to surface treatment, as automotive PCBs generally use tin plating. This means the tin plating process needs to overcome size limitations to achieve mass production of motor stator PCBs.

[0003] To adapt to new energy vehicles, motor stator PCBs are designed to be small and mostly circular, making solder plating a key surface treatment process. However, existing solder plating fixtures are mostly designed for standard-sized rectangular boards, lacking mechanisms suitable for small circular boards, resulting in several problems: small boards are difficult to position stably and are prone to displacement and falling; uneven contact of the solder leads to poor solder layer quality; and small single-load capacity hinders mass production, restricting supply. Therefore, we propose a solder plating fixture for new energy vehicle motor stator PCBs. Utility Model Content

[0004] The purpose of this utility model is to solve the problem that existing tooling is difficult to adapt to small sizes, and to provide a tooling for tinning the stator PCB board of a new energy vehicle motor.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A tin-plating fixture for a stator PCB board of a new energy vehicle motor includes a fixture base plate with a hollowed-out design in the middle. A placement ring is fixedly installed on the inner wall of the hollowed-out bottom surface of the fixture base plate. A guide hole is opened in the center of the placement ring. An adjustment device is provided on the inner wall of the fixture base plate. The adjustment device includes an adjustment cavity, which is opened in the inner wall of the fixture base plate. A rotating cavity is opened on one side of the inner wall of the adjustment cavity. A rotating rod is rotatably installed at the center end of the rotating cavity. A cross groove is opened at the top of the rotating rod. A gear is fixedly installed on the outer wall of the bottom end of the rotating rod. A pressing part is opened on the top of the outer wall of the fixture base plate near the rotating cavity. The groove has a knob on its inner wall, and a sliding groove adapted to the size of the rotating rod is opened at the bottom of the knob. A cross-shaped locking block is fixedly installed at the bottom of the knob's sliding groove. A spring is provided between the knob's sliding groove and the rotating rod. An adjusting ring is rotatably installed on the inner wall of the adjusting cavity. Several tooth blocks are fixedly installed on the outer wall of the adjusting ring. Several tooth blocks are fixedly installed on the inner wall of the adjusting ring. Several limiting posts are fixedly installed on the inner wall of the adjusting cavity away from the adjusting ring. Several adjusting blades are rotatably installed on the outer wall of each of the limiting posts. Several rubber pads are fixedly installed on the side of each of the adjusting blades away from the adjusting ring.

[0007] Preferably, the adjustment cavity is connected to the rotation cavity, the cross-shaped locking block is slidably installed on the inner wall of the cross groove, and there is a certain gap between the cross groove and the cross-shaped locking block, and there is a certain gap between the pressing groove and the knob.

[0008] Preferably, the gear meshes with several tooth blocks on the adjusting ring, and several adjusting blades are provided with tooth blocks on the outer wall of one end near the limiting post. The tooth blocks on the adjusting blades mesh with tooth blocks. The several adjusting blades are stacked, and the outer walls of the several adjusting blades form a circle.

[0009] By employing the above technical solution, this utility model provides a soldering fixture for the stator PCB board of a new energy vehicle motor. Its beneficial effects are as follows: This utility model, through the clutch-type linkage of the adjusting blades, can achieve continuous and precise adjustment of the center aperture. The adjusting blades are evenly distributed in a ring, and through the synchronous transmission of the adjusting ring driven by gears, all adjusting blades are pushed synchronously inward or outward, so that the PCB board is subjected to a uniform converging force from all sides, automatically and precisely positioning itself towards the center. Combined with the rubber pads on the adjusting blades, it can firmly fix small-sized PCB boards and seamlessly adapt to small-sized circular PCB boards of different diameters. This design significantly reduces the frequency of fixture changes and the inventory of spare fixture base plates, reducing equipment investment costs; at the same time, it improves the production line's rapid response capability to multiple product specifications, adapting to the mass production needs of small-sized, multi-model new energy vehicle motor stator PCB boards. Attached Figure Description

[0010] The accompanying drawings, which are included to provide a further understanding of the present invention, form part of this application:

[0011] Figure 1 This is a front view schematic diagram of the overall structure of this utility model;

[0012] Figure 2 This is a cross-sectional view of the overall structure of this utility model;

[0013] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0014] Figure 4 This is a partial schematic diagram of the gear and the rotating rod;

[0015] Figure 5 This is a partial schematic diagram of the knob;

[0016] Figure 6 A top view diagram for adjusting the blades;

[0017] Figure 7 This is a front view diagram of the blade adjustment.

[0018] In the diagram: 1. Tooling base plate; 2. Placement ring; 3. Guide hole; 4. Adjustment device; 41. Adjustment chamber; 42. Rotation chamber; 4301. Rotating rod; 4302. Cross groove; 44. Gear; 4501. Pressing groove; 4502. Knob; 4503. Cross block; 4504. Spring; 4601. Adjustment ring; 4602. Gear block one; 4603. Gear block two; 47. Limiting post; 48. Adjusting blade; 49. Rubber pad. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] Example 1

[0021] A tooling for soldering PCB boards for stators of new energy vehicle motors, such as... Figures 1-7As shown, the fixture includes a base plate 1 with a hollow design in the middle. A placement ring 2 is fixedly installed on the inner wall of the hollow bottom surface of the base plate 1. A guide hole 3 is opened in the center of the placement ring 2. An adjustment device 4 is provided on the inner wall of the base plate 1. The adjustment device 4 includes an adjustment cavity 41, which is opened in the inner wall of the base plate 1. A rotating cavity 42 is opened on one side of the inner wall of the adjustment cavity 41. A rotating rod 4301 is rotatably installed at the center end of the rotating cavity 42. A cross groove 4302 is opened at the top of the rotating rod 4301. A gear 44 is fixedly installed on the outer wall of the bottom end of the rotating rod 4301. A pressing groove 4501 is opened at the top of the outer wall of the base plate 1 near the rotating cavity 42. A knob 4502 is provided on the inner wall of the pressing groove 4501. The bottom of knob 4502 has a groove adapted to the size of rotating rod 4301. A cross-shaped locking block 4503 is fixedly installed at the bottom of the groove of knob 4502. A spring 4504 is provided between the groove of knob 4502 and rotating rod 4301. An adjusting ring 4601 is rotatably installed on the inner wall of adjusting cavity 41. Several tooth blocks 1 4602 are fixedly installed on the outer wall of adjusting ring 4601. Several tooth blocks 2 4603 are fixedly installed on the inner wall of adjusting cavity 41 away from adjusting ring 4601. Several limiting posts 47 are fixedly installed on the inner wall of adjusting cavity 41 away from adjusting ring 4601. Several adjusting blades 48 are rotatably installed on the outer wall of several limiting posts 47. Several rubber pads 49 are fixedly installed on the side of several adjusting blades 48 away from adjusting ring 4601.

[0022] The adjustment chamber 41 is connected to the rotation chamber 42. The cross block 4503 is slidably installed on the inner wall of the cross groove 4302, and there is a certain gap between the cross groove 4302 and the cross block 4503. There is a certain gap between the pressing groove 4501 and the knob 4502.

[0023] Gear 44 meshes with several tooth blocks 4602 on the adjusting ring 4601. Several adjusting blades 48 are provided with tooth blocks 3 on the outer wall of one end near the limiting post 47. The tooth blocks 3 on the adjusting blades 48 mesh with tooth blocks 4603. Several adjusting blades 48 are stacked and the outer walls of several adjusting blades 48 form a circle.

[0024] The present invention relates to a soldering fixture for a new energy vehicle motor stator PCB board. In order to adapt to new energy vehicles, the motor stator PCB board is designed to be small and mostly circular. However, the diameter of small-sized PCB boards also varies. In order to adapt to small-sized PCB boards of different diameters, this soldering fixture for a new energy vehicle motor stator PCB board adapted to different sizes was invented.

[0025] Before applying the solder wire, place the small PCB board on top of the placement ring 2. Press down on the knob 4502. The knob 4502 causes the cross-shaped locking block 4503 to press down. After the cross-shaped locking block 4503 engages with the cross groove 4302 in the rotating rod 4301, rotate the knob 4502 clockwise. The knob 4502 causes the cross-shaped locking block 4503 to rotate, which in turn causes the rotating rod 4301 to rotate. The rotating rod 4301 then causes the gear 44 to rotate. The gear 44 meshes with the toothed block 4602 on the adjusting ring 4601, causing the toothed block 4602 to rotate the adjusting ring 4601 counterclockwise. 01 drives the second toothed block 4603 to rotate, which meshes with the third toothed block on the adjusting blade 48, causing the adjusting blade 48 to rotate counterclockwise on the outer wall of the limiting post 47. The adjusting blade 48 drives the rubber pad 49 to rotate counterclockwise, and the adjusting blade 48 changes the size of the central hole through a clutch mechanism. The circular PCB board placed on top of the placement ring 2 is pushed inward by the adjusting blade 48 and automatically converges towards the center end. After the adjusting blade 48 adapts to the outer diameter of the circular PCB board, it stops rotating. When the knob 4502 is released, the knob 4502 is reset upward by the elastic force of the spring 4504. After the PCB board is sized and positioned, it passes through the soldering wire. The soldering solution can flow quickly through the guide hole 3 to the bottom of the tooling base plate 1 to facilitate the recycling of the solution.

[0026] By adjusting the clutch linkage of the blades 48, continuous and precise adjustment of the center aperture can be achieved. The blades 48 are evenly distributed in a ring. Through the synchronous transmission of the gear 44 driving the adjusting ring 4601, all the blades 48 are pushed inward or outward synchronously, so that the PCB board is subjected to a uniform force from all sides and automatically and precisely positioned towards the center. With the rubber pads 49 on the blades 48, small-sized PCB boards can be firmly fixed and seamlessly adapted to small-sized circular PCB boards of different diameters. This design greatly reduces the frequency of tooling changes and the inventory of spare tooling base plates 1, reducing equipment investment costs. At the same time, it improves the production line's ability to respond quickly to products of multiple specifications and adapts to the mass production needs of small-sized and multi-model PCB boards for new energy vehicle motor stators.

[0027] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0028] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A tin-plating fixture for a stator PCB board of a new energy vehicle motor, comprising a fixture base plate (1), wherein the fixture base plate (1) has a hollow design in the middle, and a placement ring (2) is fixedly installed on the inner wall of the hollow bottom surface of the fixture base plate (1), wherein a guide hole (3) is provided in the center of the placement ring (2), characterized in that: An adjustment device (4) is provided on the inner wall of the tooling base plate (1). The adjustment device (4) includes an adjustment cavity (41), which is located on the inner wall of the tooling base plate (1). A rotating cavity (42) is provided on one side of the inner wall of the adjustment cavity (41). A rotating rod (4301) is rotatably mounted at the center end of the rotating cavity (42). A cross groove (4302) is provided at the top of the rotating rod (4301). A gear (44) is fixedly mounted on the outer wall of the bottom end of the rotating rod (4301). A pressing groove (4501) is provided on the top of the outer wall of the tooling base plate (1) near the rotating cavity (42). A knob (4502) is provided on the inner wall of the pressing groove (4501). A sliding groove adapted to the size of the rotating rod (4301) is provided at the bottom of the knob (4502). (4502) A cross-shaped locking block (4503) is fixedly installed at the bottom of the slide groove. A spring (4504) is provided between the slide groove of the knob (4502) and the rotating rod (4301). An adjusting ring (4601) is rotatably installed on the inner wall of the adjusting cavity (41). Several tooth blocks (4602) are fixedly installed on the outer wall of the adjusting ring (4601). Several tooth blocks (4603) are fixedly installed on the inner wall of the adjusting cavity (41) away from the adjusting ring (4601). Several limiting posts (47) are fixedly installed on the inner wall of the adjusting cavity (41) away from the adjusting ring (4601). Several adjusting blades (48) are rotatably installed on the outer wall of several limiting posts (47). Several rubber pads (49) are fixedly installed on the side of several adjusting blades (48) away from the adjusting ring (4601).

2. The soldering fixture for a new energy vehicle motor stator PCB board according to claim 1, characterized in that: The adjustment cavity (41) is connected to the rotation cavity (42), the cross block (4503) is slidably installed on the inner wall of the cross groove (4302), and there is a certain gap between the cross groove (4302) and the cross block (4503), and there is a certain gap between the pressing groove (4501) and the knob (4502).

3. The soldering fixture for a new energy vehicle motor stator PCB board according to claim 1, characterized in that: The gear (44) meshes with several tooth blocks (4602) on the adjusting ring (4601). Several adjusting blades (48) are provided with tooth blocks (3) on the outer wall of one end near the limiting post (47). The tooth blocks (3) on the adjusting blades (48) mesh with tooth blocks (2) (4603). Several adjusting blades (48) are stacked, and the outer walls of several adjusting blades (48) are combined into a circle.

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