Tin blowing equipment for fuse melt

Abstract

The utility model relates to a fuse melt tin blowing device. According to the scheme, the fuse melt tin blowing device comprises a sliding table mechanism, a positioning jig, a hot air gun support, a servo motor and a limiting switch. The positioning jig fixes the melt and the carrier assembly through a convex-concave limiting structure, the sliding table is driven by a servo motor to do reciprocating motion along a straight line, and the hot air gun support fixes the tin blowing angle, distance and position through a three-dimensional adjusting mechanism. Manual operation is replaced by automatic tin blowing, product consistency and production efficiency are remarkably improved, and the automatic tin blowing device is suitable for the field of fuse manufacturing.

Description

Technical Field

[0001] This application relates to the field of fuse manufacturing technology, specifically to a fuse melt blowing tinning equipment. Background Technology

[0002] As a circuit protection device, the welding process of the fuse element is crucial to the performance of the product. A fuse is a current protection device that works by melting its fusible element due to the heat generated when the current exceeds a specified value for a certain period, thereby breaking the circuit. Fuses are widely used in high and low voltage power distribution systems, control systems, and electrical equipment as short-circuit and overcurrent protectors, and are one of the most commonly used protective devices.

[0003] To ensure rapid melting when the current exceeds a specified value, current fuses require the molten metal to be fixed on a carrier during production. Then, soldering is performed, followed by molten soldering to melt the solder paste into liquid solder, which then cools and adheres to the molten metal. In existing technology, the molten metal tinning process is generally operated manually with a handheld hot air gun, which presents the following problems:

[0004] 1. Inefficient: Requires a dedicated person to operate the entire process, which is time-consuming;

[0005] 2. Poor consistency: The angle, distance, and position of the hot air gun are not fixed due to manual control, resulting in fluctuations in the quality of the finished product;

[0006] 3. Risk of melt damage: Improper operation can easily cause melt deformation or blackening, affecting product reliability;

[0007] 4. Insufficient process stability: Uneven melting of solder paste affects the bonding state between the melt and the tin.

[0008] Existing equipment has failed to solve the above problems, and there is an urgent need for a fuse melt blowing equipment to improve process stability and production efficiency. Utility Model Content

[0009] The purpose of this application is to address the aforementioned problems in the prior art by providing a fuse blowing device. This device uses a servo motor to drive a hot air gun along a fixed path and combines a positioning fixture with a stainless steel baffle structure to achieve automated control of the blowing angle, distance, and position, thereby improving production efficiency and product consistency.

[0010] To achieve the above-mentioned objectives, this application adopts the following technical solution: A fuse element blowing device includes:

[0011] The slide mechanism is used to support the melt and carrier assembly;

[0012] A positioning fixture, fixed on the slide of the slide mechanism, includes a convex and concave limiting structure that mates with the long side of the melt and carrier assembly, for positioning and fixing the melt and carrier assembly;

[0013] The hot air gun bracket is located above the slide mechanism;

[0014] A hot air gun, positioned above the slide mechanism, is used to provide hot air for soldering.

[0015] A servo motor, connected to the slide drive, is used to control the slide to reciprocate along a linear path.

[0016] Limit switches are installed at both ends of the slide's movement path to limit the slide's travel distance.

[0017] Furthermore, the hot air gun is mounted above the slide mechanism via a hot air gun bracket, which includes an angle adjustment mechanism, a vertical position adjustment mechanism, and a front-to-back position adjustment mechanism, enabling multi-degree-of-freedom adjustment of the hot air gun.

[0018] Furthermore, it also includes a removable baffle located between the positioning fixture and the slide to prevent solder paste from falling onto the slide mechanism during operation.

[0019] Furthermore, the slide and the positioning fixture are fixedly connected by screws.

[0020] Furthermore, the servo motor is electrically connected to the limit switch. When the slide reaches the left or right limit switch, the servo motor drives the slide to automatically return to the initial position.

[0021] Furthermore, the thickness of the baffle is 1.5mm.

[0022] Furthermore, the baffle is made of stainless steel.

[0023] Furthermore, the platform mechanism includes a linear guide rail and a slide table mounted on the linear guide rail.

[0024] Furthermore, it also includes a control switch electrically connected to the servo motor, the control switch including start and stop buttons.

[0025] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0026] 1. Significantly improve production efficiency: The servo motor drives the slide table to automatically complete the tin blowing process, reducing manual operation time. Only loading and unloading operations are required, saving about 50% of the time that originally required a dedicated person to operate the whole process. Moreover, the equipment can start working in cycles after automatic reset, greatly shortening the production cycle.

[0027] 2. Ensure product consistency: The hot air gun has a fixed blowing angle, distance, and position, and the servo motor controls the slide to move at a uniform speed, avoiding human operation deviations. This ensures that the solder paste melts evenly and adheres stably after cooling, significantly improving the consistency of finished product quality.

[0028] 3. Reduce the risk of melt damage: The fully automated tin blowing process eliminates the need for manual intervention in hot air gun operation, avoiding melt deformation, blackening, or localized overheating damage caused by improper hand operation, and improving the reliability of the bond between the melt and the tin.

[0029] 4. Optimize the process flow: The automatic reset function of the equipment simplifies the operation steps. The operator only needs to complete the loading and unloading. During this period, the preceding and following processes can be handled in parallel, which effectively improves the utilization rate of working hours and the overall efficiency of the production line.

[0030] 5. Improved process stability: The combination of stainless steel baffles and positioning fixtures prevents solder paste from splashing or falling, ensuring a clean working environment. At the same time, the detachable structure facilitates maintenance and replacement, enhancing the applicability of the equipment. Attached Figure Description

[0031] Figure 1 This is a schematic diagram of the structure of this application;

[0032] Figure 2 yes Figure 1 A three-dimensional image;

[0033] Figure 3 This is a top view of the slide mechanism.

[0034] In the diagram, 1 is the frame; 100 is the slide mechanism; 101 is the slide; 102 is the linear guide; 104 is the positioning fixture; 104a is the convex and concave limiting structure; 105 is the stainless steel baffle; 200 is the melt and carrier assembly; 301 is the hot air gun bracket; 302 is the adjusting block; 303 is the vertical rod; 304 is the horizontal rod; 305 is the hot air gun; 306 is the mounting base; 401 is the servo motor; 402 is the lead screw; 403 is the limit switch; 404 is the control panel; 404a is the start / stop button; and 404b is the emergency stop device. Detailed Implementation

[0035] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this application are within the scope of protection of this application.

[0036] Those skilled in the art should understand that, in the disclosure of this application, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the above terms should not be construed as limitations on this application.

[0037] Example 1

[0038] A fuse element tinning device, the structure of which is as follows: Figure 1-3 As shown, it includes:

[0039] I. Slide Mechanism 100:

[0040] The slide table 101 is made of aluminum alloy, and the bottom surface is equipped with linear guide rail 102 to ensure motion accuracy of ±0.02mm;

[0041] The surface of the slide table 101 is fixed with a positioning fixture 104 by screws. The positioning fixture 104 is provided with a convex and concave limiting structure 104a that mates with the long side of the melt and carrier assembly 200. The height tolerance of the convexity is ±0.05mm.

[0042] A detachable 1.5mm stainless steel baffle 105 is installed at the front end of the positioning fixture 104 and is connected to the positioning fixture 104 through a slot to prevent solder paste from falling off.

[0043] II. Hot air gun support system:

[0044] The hot air gun bracket 301 includes a vertical rod 303 mounted on the frame 1, an adjusting block 302 mounted on the vertical rod 303, and a horizontal rod 304 mounted on the adjusting block 302. The adjusting block 302 has a vertical hole and a horizontal hole. The adjusting block 302 is mounted on the vertical rod 303 through the vertical hole and is fixed in position by a nut or a locking ring to realize the height (vertical position) adjustment of the hot air gun 305. The horizontal rod 304 is installed in the horizontal hole of the adjusting block 302 and is also fixed in position by a nut or a locking ring to realize the front and rear position adjustment (moving the horizontal rod 304) and angle adjustment (rotating the horizontal rod 304) of the hot air gun 305. The hot air gun 305 is mounted on the end of the horizontal rod 304 through a mounting base 306.

[0045] The distance between the hot air gun 305 outlet and the surface of the molten material is preset to 10-30mm, and the temperature range is 200-400℃, which is set according to the melting point of the solder paste.

[0046] III. Drive and Control Mechanism:

[0047] The servo motor 401 drives the slide table 101 through the lead screw 402, and the moving speed is adjustable from 0.5-5mm / s;

[0048] Limit switches 403 are installed at both ends of the slide table's motion path. When the left limit is reached, the servo motor reverses and returns to the initial position.

[0049] Control panel 404 sets up start / stop button 404a and emergency stop device 404b.

[0050] Workflow

[0051] 1. The molten material and carrier assembly 200 after solder paste application are manually placed into the positioning fixture 104 and limited by the convex and concave structure 104a and the baffle 105;

[0052] 2. Press the start button 404a, the servo motor 401 drives the slide 101 to move to the left, and the hot air gun 305 works according to the preset parameters;

[0053] 3. After the slide reaches the left limit switch 403, it automatically returns, completing the solder blowing process;

[0054] 4. Manually remove the finished product and repeat the above steps.

[0055] Example 2

[0056] Based on Example 1, a protective cover is added. The protective cover is made of transparent acrylic material and is connected to the main body of the equipment through hinge 502, which ensures both operational visibility and isolation of high-temperature areas.

[0057] Example 3

[0058] Based on Example 1, a temperature sensor is added to the positioning fixture 104 to monitor the melt temperature in real time. When the temperature exceeds the threshold, the power of the hot air gun is automatically adjusted to prevent the melt from oxidizing.

[0059] The parts not described in detail in this application are prior art, and therefore are not described in detail in this application.

[0060] It is understood that the term "a" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element can be one, while in another embodiment, the number of the element can be multiple, and the term "a" should not be understood as a limitation on the number.

[0061] Although this document uses a significant amount of technical terminology, the possibility of using other terms is not excluded. These terms are used merely to facilitate the description and explanation of the nature of this application; interpreting them as any additional limitation would be contrary to the spirit of this application.

[0062] This application is not limited to the above-described preferred embodiments. Anyone can derive other products in various forms under the guidance of this application. However, regardless of any changes made to their shape or structure, any technical solution that is the same as or similar to that of this application falls within the protection scope of this application.

Claims

1. A fuse link blowing apparatus for a fuse link, characterized by comprising: include: The slide mechanism is used to support the melt and carrier assembly; A positioning fixture is fixed on the slide of the slide mechanism, including a convex and concave limiting structure that mates with the long side of the melt and carrier assembly, for positioning and fixing the melt and carrier assembly; A hot air gun bracket is disposed above the slide mechanism; A hot air gun, positioned above the slide mechanism, is used to provide hot air for soldering. A servo motor, connected to the slide drive, is used to control the slide to reciprocate along a linear path; Limit switches are installed at both ends of the slide's movement path to limit the slide's travel distance.

2. A fuse link tin swager as claimed in claim 1, wherein, The hot air gun is mounted on the slide mechanism via a hot air gun bracket. The hot air gun bracket includes an angle adjustment mechanism, a vertical position adjustment mechanism, and a front-to-back position adjustment mechanism, which enables multi-degree-of-freedom adjustment of the hot air gun.

3. A fuse link tin swager as defined in claim 1 wherein, It also includes a removable baffle, which is located between the positioning fixture and the slide, to prevent solder paste from falling onto the slide mechanism during operation.

4. The fuse element tinning equipment according to claim 1, characterized in that, The slide and the positioning fixture are fixedly connected by screws.

5. The fuse element blowing and tinning equipment according to claim 1, characterized in that, The servo motor is electrically connected to the limit switch. When the slide table touches the left or right limit switch, the servo motor drives the slide table to automatically return to the initial position.

6. The fuse element blowing and tinning equipment according to claim 3, characterized in that, The thickness of the baffle is 1.5 mm.

7. The fuse element blowing equipment according to claim 3, characterized in that, The baffle is made of stainless steel.

8. A fuse element blowing and tinning device according to any one of claims 1-7, characterized in that, The slide mechanism includes a linear guide rail and a slide mounted on the linear guide rail.

9. A fuse element blowing device according to any one of claims 1-7, characterized in that, It also includes a control switch, which is electrically connected to the servo motor, and the control switch includes start and stop buttons.

Images