A welding aid for a buzzer
By designing welding fixtures for buzzers and utilizing ball bearings and electromagnet locking technology, flexible adjustment of the buzzer welding position is achieved, solving the problem of poor versatility of existing devices and improving the applicability and stability of welding.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- WUXI PINXIN INTELLIGENT ELECTROMECHANICAL TECH CO LTD
- Filing Date
- 2025-07-28
- Publication Date
- 2026-06-26
AI Technical Summary
Existing buzzer soldering devices cannot flexibly adjust the soldering position on the PCB board, resulting in poor versatility of the device.
Design a welding fixture that includes a substrate, a moving component, and a clamping component. The fixture supports the PCB board with ball bearings and allows for free adjustment of the welding position. Electromagnets and arc-shaped magnetic sheets are used to lock the ball bearings to prevent slippage. The fixture is combined with a clamping component to fix the buzzer.
It enables flexible adjustment of the buzzer welding position, improves the applicability and stability of the welding device, and ensures the accuracy and applicability of the welding.
Smart Images
Figure CN224406788U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of buzzer manufacturing, and in particular to a welding fixture for buzzers. Background Technology
[0002] A buzzer is an electronic component that converts electrical signals into sound signals, widely used in electronic devices as alarm, notification, or sound-generating devices. As an electronic component, a buzzer needs to obtain electrical signals through a circuit (active buzzers require DC power, while passive buzzers require alternating signals) to function, and soldering is the most reliable way to achieve this connection. Chinese utility model patent application number 202323150725.2 discloses a soldering device for buzzer production. This patent uses a slider and hydraulic rod to clamp and fix the buzzer, but it cannot flexibly adjust the soldering position on the PCB board during the soldering process, only allowing the buzzer to be soldered in a fixed position, resulting in poor versatility of the soldering device. Utility Model Content
[0003] To address the aforementioned technical problems, this utility model provides a welding fixture for buzzers, which features multiple movable components supporting a PCB board and uses ball bearings to facilitate PCB board movement, allowing for free adjustment of the welding position and effectively improving the versatility of the device.
[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows:
[0005] This utility model provides a welding auxiliary tool for buzzers, including a base plate, several moving components and a clamping component; several moving components are arrayed on the upper surface of the base plate; the clamping component is fixedly disposed above the base plate; the moving components include a support base and a ball; the support base is disposed on the upper surface of the base plate; a hemispherical groove is formed on the top of the support base; the ball is correspondingly disposed in the hemispherical groove; the top of the ball is located outside the hemispherical groove.
[0006] The welding device for buzzers provided by this utility model preferably has a vertically extending groove inside the support base; the groove is located below the hemispherical groove; the bottom of the hemispherical groove has an opening; the interior of the hemispherical groove is connected to the top of the groove through the opening; the groove is provided with an arc-shaped magnetic sheet; the upper surface of the arc-shaped magnetic sheet corresponds to the outer contour of the ball; an electromagnet is provided at the bottom of the groove; the magnetic poles of the electromagnet are opposite to the magnetic poles of the arc-shaped magnetic sheet; the electromagnet is electrically connected to an external power controller.
[0007] The welding device for buzzers provided by this utility model preferably has a damping layer on the upper surface of the arc-shaped magnetic sheet.
[0008] The welding device for buzzers provided by this utility model preferably includes a clamping assembly comprising a bracket, a frame plate, and a clamping assembly; the bracket is connected to the substrate and the frame plate is mounted above the substrate; the frame plate is parallel to the substrate; a through hole is provided in the center of the frame plate; the clamping assembly is mounted on the frame plate; the clamping end of the clamping assembly corresponds to the side of the through hole.
[0009] The welding device for buzzers provided by this utility model preferably includes a clamping assembly comprising a first clamping block and a second clamping block; the first clamping block and the second clamping block are respectively clamped on both sides of a frame plate; the first clamping block and the second clamping block are elastically connected by a spring; both the first clamping block and the second clamping block are provided with clamping ends; the clamping ends of the first clamping block and the clamping ends of the second clamping block are respectively arranged on the radial sides of a through hole; when the spring is in a contracted state, the distance between the clamping ends of the first clamping block and the clamping ends of the second clamping block is smaller than the diameter of the through hole.
[0010] The welding device for buzzers provided by this utility model preferably further includes a friction pad; the friction pad is placed on several moving components.
[0011] The above technical solution has the following advantages or beneficial effects: This utility model provides a welding auxiliary tool for buzzers, relating to the field of buzzers, comprising a substrate, several moving components, and a clamping component; the several moving components are arrayed on the upper surface of the substrate; the clamping component is fixedly disposed above the substrate; the moving components include a support base and ball bearings; the support base is disposed on the upper surface of the substrate; a hemispherical groove is formed on the top of the support base; the ball bearings are correspondingly disposed within the hemispherical groove; the top of the ball bearings is located outside the hemispherical groove. This utility model provides a welding auxiliary tool for buzzers, which uses multiple moving components to support the PCB board and facilitates PCB board movement via ball bearings, allowing for free adjustment of the welding position and effectively improving the versatility of the device. Attached Figure Description
[0012] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with this application and, together with the description, serve to explain the principles of this application.
[0013] Figure 1 This is an overall structural diagram of a welding fixture for a buzzer provided in Embodiment 1 of this utility model;
[0014] Figure 2 A cross-sectional view of a movable component of a welding fixture for a buzzer, provided in Embodiment 1 of this utility model;
[0015] Figure 3 The bottom structure diagram of a clamping assembly for a welding fixture for a buzzer provided in Embodiment 1 of this utility model;
[0016] Figure 1-3Includes: 1. base plate; 2. moving component; 21. support base; 22. ball bearing; 23. slide groove; 24. arc-shaped magnetic sheet; 25. electromagnet; 3. clamping component; 31. bracket; 32. frame plate; 33. through hole; 4. first clamping block; 41. second clamping block; 42. spring; 5. friction pad. Detailed Implementation
[0017] Exemplary embodiments will now be described in detail, examples of which are illustrated in the accompanying drawings. When the following description relates to the drawings, unless otherwise indicated, the same numbers in different drawings denote the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with some aspects of this application as detailed in the appended claims.
[0018] Example 1:
[0019] like Figure 1-3 As shown:
[0020] Since the positions for soldering buzzers differ on different PCB boards, this utility model provides a soldering aid for buzzers to improve the applicability of the soldering tool. The aid includes a substrate 1, several moving components 2, and a clamping component 3. The moving components 2 are arrayed on the upper surface of the substrate 1. The clamping component 3 is fixedly positioned above the substrate 1. Each moving component 2 includes a support base 21 and ball bearings 22. The support base 21 is located on the upper surface of the substrate 1. A hemispherical groove is formed at the top of the support base 21. The ball bearings 22 are correspondingly positioned within the hemispherical groove, with their tops located outside the groove.
[0021] When the welding fixture for buzzers provided by this utility model is used to assist in welding a buzzer to a PCB board, the buzzer is first fixed above the moving component 2 by the clamping component 3, and then the PCB board is placed on the moving component 2. Since the buzzer is fixed by the clamping component 3 and cannot move, the PCB board needs to be moved to align the welding position with the buzzer. Regarding the movement of the PCB board, since the bottom of the PCB board is actually in contact with the ball bearing 22, when the PCB board is moved horizontally, the ball bearing 22 rolls in the hemispherical groove of the support base 21, thereby allowing the PCB board to move horizontally. Because the PCB board can be moved freely to adjust the welding position, PCB boards of different sizes and models can be placed on the moving component 2, and then the welding position can be aligned with the buzzer by moving the component, greatly improving the applicability of the welding fixture.
[0022] The present invention provides a welding auxiliary tool setting moving component 2 for a buzzer to support a PCB board, and the PCB board can be moved horizontally to adjust the welding position by contacting and rolling the ball bearing 22, so that different PCB boards can be aligned and welded with the buzzer, effectively improving the applicability of the welding auxiliary tool.
[0023] To prevent the ball bearing 22 from rolling and causing the soldering position to shift after the PCB board is adjusted, a locking function needs to be added to the ball bearing 22. In a preferred embodiment, the support base 21 has a vertically extending slide groove 23 inside; the slide groove 23 is located below the hemispherical groove; the bottom of the hemispherical groove has an opening; the interior of the hemispherical groove is connected to the top of the slide groove 23 through the opening; the slide groove 23 has an arc-shaped magnetic sheet 24; the upper surface of the arc-shaped magnetic sheet 24 corresponds to the outer contour of the ball bearing 22; the bottom end of the slide groove 23 has an electromagnet 25; the magnetic poles of the electromagnet 25 are opposite to the magnetic poles of the arc-shaped magnetic sheet 24; the electromagnet 25 is electrically connected to an external power controller.
[0024] After the PCB board is adjusted to the set soldering position, the electromagnet 25 is energized by an external power controller. Since the magnetic poles of the energized electromagnet 25 and the arc-shaped magnetic sheet 24 are opposite, the arc-shaped magnetic sheet 24 is subjected to magnetic repulsion and moves upward along the slide groove 23. When the arc-shaped magnetic sheet 24 moves to the bottom opening of the hemispherical groove, it will contact the bottom part of the ball 22. Due to the magnetic repulsion of the arc-shaped magnetic sheet 24, the ball 22 will also be subjected to upward pressure from the arc-shaped magnetic sheet 24. The ball 22, located in the hemispherical groove, cannot move upward. Therefore, the friction between the ball 22 and the arc-shaped magnetic sheet 24 increases, providing resistance to the rolling of the ball 22 and preventing it from rolling, thus achieving the rolling lock of the ball 22.
[0025] The present invention provides a welding auxiliary tool for buzzers, which sets up an electromagnet 25 to push an arc-shaped magnetic sheet 24 and apply pressure to a ball 22, thereby increasing the friction of the ball 22 when it rolls, thus preventing the ball 22 from rolling and effectively improving the stability of PCB board welding.
[0026] In a preferred embodiment, the upper surface of the arc-shaped magnetic sheet 24 is provided with a damping layer. The upper surface of the arc-shaped magnetic sheet 24 can be covered with rubber as a damping layer, which can effectively increase the coefficient of friction between the arc-shaped magnetic sheet 24 and the ball 22, making the locked ball 22 more difficult to roll.
[0027] As a specific implementation of the clamping component 3, in a preferred embodiment of this example, the clamping component 3 includes a bracket 31, a mounting plate 32, and a clamping component; the bracket 31 is connected to the substrate 1 and the mounting plate 32 is mounted above the substrate 1; the mounting plate 32 is parallel to the substrate 1; a through hole 33 is provided in the center of the mounting plate 32; the clamping component is installed on the mounting plate 32; the clamping end of the clamping component corresponds to the side of the through hole 33. The bracket 31 can be directly connected to the substrate 1 and the mounting plate 32 can be mounted above the substrate 1; when fixing the buzzer, the buzzer must first be inserted into the through hole 33, so that the soldered end of the bottom of the buzzer corresponds to the PCB board, and then the buzzer is fixed by the clamping component.
[0028] The present invention provides a welding fixture for buzzers that fixes the buzzer in the through hole 33 by clamping components, and welding positioning can be completed by simply moving the PCB board; in addition, fixing the buzzer can also improve the welding accuracy.
[0029] As a specific implementation of the clamping assembly, in a preferred embodiment, the clamping assembly includes a first clamping block 4 and a second clamping block 41; the first clamping block 4 and the second clamping block 41 are respectively clamped on both sides of the frame plate 32; the first clamping block 4 and the second clamping block 41 are elastically connected by a spring 42; both the first clamping block 4 and the second clamping block 41 are provided with clamping ends; the clamping ends of the first clamping block 4 and the second clamping block 41 are respectively arranged on the radial sides of the through hole 33; when the spring 42 is in the contracted state, the distance between the clamping ends of the first clamping block 4 and the clamping ends of the second clamping block 41 is smaller than the diameter of the through hole 33.
[0030] When clamping the buzzer, firstly, manually move the first clamping block 4 and the second clamping block 41 towards both sides of the frame plate 32, so that the first clamping block 4 and the second clamping block 41 are far apart. At this time, the clamping ends of the first clamping block 4 and the second clamping block 41 provide clearance for the buzzer to pass through the through hole 33. Then, insert the buzzer into the through hole 33. After determining the fixed position of the buzzer, manually release the first clamping block 4 and the second clamping block 41. Due to the contraction of the spring 42, the first clamping block 4 and the second clamping block 41 move closer together. At this time, the clamping ends of the first clamping block 4 and the second clamping block 41 will clamp the buzzer under the action of the spring 42, thus fixing the buzzer. The first clamping block 4 and the second clamping block 41 have the same structure. In order for the first clamping block 4 or the second clamping block 41 to be clamped on both sides of the frame plate 32 in the contracted state of the spring 42, the first clamping block 4 or the second clamping block 41 can adopt a horizontally arranged concave structure. Spring 42 is connected to the lower end of the concave structure, clamping end is located at the upper end of the concave structure, and the recess of the concave structure is engaged with the side of the frame plate 32.
[0031] In a preferred embodiment, a friction pad 5 is also included; the friction pad 5 is placed on a plurality of moving components 2. Moving the PCB board on the friction pad 5 avoids direct contact between the back of the PCB board and the ball bearings 22, thus preventing damage. The friction pad 5 also increases the coefficient of friction with the ball bearings 22, making the movement of the PCB board more stable and less prone to slippage when the ball bearings 22 are locked.
[0032] Other embodiments of this application will readily occur to those skilled in the art upon consideration of the specification and practice of the application filed herein. This application is intended to cover any variations, uses, or adaptations of this application that follow the general principles of this application and include common knowledge or customary techniques in the art not claimed herein. The specification and examples are to be considered exemplary only, and the true scope and spirit of this application are indicated by the appended claims.
[0033] It should be understood that this application is not limited to the precise structure described above and shown in the accompanying drawings, and various modifications and changes can be made without departing from its scope. The scope of this application is limited only by the appended claims.
Claims
1. A welding fixture for a buzzer, characterized in that, The device includes a substrate, several moving components, and a clamping component; the moving components are arrayed on the upper surface of the substrate; the clamping component is fixedly disposed above the substrate; each moving component includes a support base and a ball bearing; the support base is disposed on the upper surface of the substrate; a hemispherical groove is formed on the top of the support base; the ball bearing is correspondingly disposed in the hemispherical groove; the top of the ball bearing is located outside the hemispherical groove.
2. The welding fixture for a buzzer according to claim 1, characterized in that, The support base has a vertically extending groove inside; the groove is located below the hemispherical groove; the bottom of the hemispherical groove has an opening; the interior of the hemispherical groove is connected to the top of the groove through the opening; the groove has an arc-shaped magnetic sheet; the upper surface of the arc-shaped magnetic sheet corresponds to the outer contour of the ball; the bottom of the groove has an electromagnet; the magnetic poles of the electromagnet are opposite to the magnetic poles of the arc-shaped magnetic sheet; the electromagnet is electrically connected to an external power controller.
3. The welding fixture for a buzzer according to claim 2, characterized in that, The upper surface of the arc-shaped magnetic sheet is provided with a damping layer.
4. The welding fixture for a buzzer according to claim 1, characterized in that, The clamping assembly includes a bracket, a frame plate, and a clamping assembly; the bracket is connected to the substrate and holds the frame plate above the substrate; the frame plate is parallel to the substrate; a through hole is formed in the center of the frame plate; the clamping assembly is mounted on the frame plate; the clamping end of the clamping assembly corresponds to the side of the through hole.
5. The welding fixture for a buzzer according to claim 4, characterized in that, The clamping assembly includes a first clamping block and a second clamping block; the first clamping block and the second clamping block are respectively clamped on both sides of the frame plate; the first clamping block and the second clamping block are elastically connected by a spring; both the first clamping block and the second clamping block are provided with clamping ends; the clamping ends of the first clamping block and the second clamping block are respectively arranged on the radial sides of the through hole; when the spring is in a contracted state, the distance between the clamping ends of the first clamping block and the clamping ends of the second clamping block is smaller than the diameter of the through hole.
6. The welding fixture for a buzzer according to claim 1, characterized in that, It also includes a friction pad; the friction pad is placed on one of the moving components.