A linkage type solder paste dispensing device

Abstract

The utility model discloses a kind of linkage type solder paste subpackaging equipment, belong to solder paste processing equipment technical field, including base, the top of base is uniformly fixedly connected with support leg, the top of support leg is fixedly connected with work disc, base top is fixedly connected with support, and support is located below work disc, the right side of the bottom of support is fixedly connected with first motor, the output of first motor is fixedly connected with rotating disc, the edge of rotating disc top is fixedly connected with eccentric column, the center of work disc is rotatably connected with rotating shaft, the top of rotating shaft is fixedly connected with transmission disc, arc slot is uniformly provided on the outer wall of transmission disc, the bottom of rotating shaft is fixedly connected with transmission piece.The linkage type solder paste subpackaging equipment, through the linkage transmission structure of first motor, rotating disc, eccentric column, transmission piece and transmission disc, realize the synchronous intermittent operation of feeding and subpackaging station, avoid the problem such as not timely conveying caused by the independent work of both in traditional equipment.

Description

Technical Field

[0001] This utility model relates to the technical field of solder paste processing equipment, specifically a linkage solder paste dispensing equipment. Background Technology

[0002] Solder paste is a key material in surface mount technology (SMT) in the electronics manufacturing industry. Its performance directly determines the quality and reliability of circuit board soldering. After its production is completed, precise, efficient and standardized quantitative dispensing is an indispensable key follow-up step. The core purpose of this process is to achieve refined material management.

[0003] For example, patent CN220010155U discloses a solder paste quantitative dispensing device, which includes a frame, a pressure plate assembly, a container, a vacuum device, a filling assembly, and a control system. A drive unit drives the pressure plate to rise and fall. The pressure plate has an external vacuum port for connecting to the vacuum device. The container is located below the pressure plate, and its accommodating cavity is adapted to the size of the pressure plate to form a seal. The filling assembly includes an electronic scale and a filling cup. The filling cup is supported on the electronic scale to receive the solder paste flowing out of the container's valve. The control system is connected to the valve and the electronic scale. The control system includes a switch and a controller. When the switch is triggered, it opens the valve, allowing the solder paste in the accommodating cavity to flow into the filling cup through the valve. The controller closes the valve when the weight measured by the electronic scale reaches a preset weight.

[0004] However, in the existing equipment, the feeding mechanism and the dispensing mechanism work independently, which can easily lead to problems such as untimely material delivery and inaccurate positioning. This results in a large error in the amount of solder paste dispensed, affecting product quality. Furthermore, when the container is pushed from the dispensing table to the unloading conveyor belt, it is prone to tilting due to pushing inertia, causing slight bumps or speed fluctuations. This can also cause the container to tip over directly, potentially causing solder paste leakage that contaminates the equipment and reduces overall operating efficiency.

[0005] Therefore, in order to solve such problems, we propose a linkage solder paste dispensing equipment. Utility Model Content

[0006] The purpose of this utility model is to provide a linkage solder paste dispensing device to solve the problems mentioned in the background art. When the existing device is used, the feeding mechanism and the dispensing mechanism work independently, which can easily lead to problems such as untimely material delivery and inaccurate positioning. This results in a large error in the amount of solder paste dispensed, affecting product quality. Furthermore, when the container is pushed from the dispensing table to the unloading conveyor belt, it is easy to tilt due to the pushing inertia, resulting in slight bumps or speed fluctuations. This can also cause the container to tip over directly, which may cause solder paste leakage and contamination of the equipment, reducing overall operating efficiency.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a linkage solder paste dispensing device, comprising a base, legs uniformly fixedly connected to the top of the base, a working plate fixedly connected to the top of the legs, a support fixedly connected to the top of the base and located below the working plate, a first motor fixedly connected to the right side of the bottom of the support, a rotating disk fixedly connected to the output end of the first motor, an eccentric column fixedly connected to the top edge of the rotating disk, a rotating shaft rotatably connected to the center of the working plate, a transmission disk fixedly connected to the top of the rotating shaft, arc-shaped grooves uniformly formed on the outer wall of the transmission disk, a transmission component fixedly connected to the bottom of the rotating shaft, a movable groove uniformly formed on the transmission component, and the eccentric column movably connected within the movable groove.

[0008] Furthermore, a first bracket is fixedly connected to the right side of the top support of the base, a sleeve is fixedly connected to the top of the first bracket, a rectangular groove is provided on the outer wall of the sleeve, and a protective plate is movably connected in the rectangular groove. A top block is fixedly connected to the top of the sleeve, a spring is fixedly connected to the bottom of the top block, and a pressure block is fixedly connected to the bottom of the spring.

[0009] Furthermore, the inner wall of the sleeve is uniformly provided with limiting grooves, and the outer wall of the pressure block is uniformly fixedly connected with limiting blocks. The sleeve and the pressure block are slidably connected through the limiting grooves and limiting blocks, and the pressure block abuts against the top of the container.

[0010] Furthermore, a second bracket is fixedly connected to the rear of the top support of the base, a paste storage tank is fixedly connected to the top of the second bracket, a pump body is fixedly connected to the front outer wall of the paste storage tank, a pipe is fixedly connected to the pump body, and the pipe passes through the top of the second bracket. A nozzle is fixedly connected to the bottom of the pipe, and the nozzle is located directly above the arc groove on the transmission plate.

[0011] Furthermore, a through groove is provided on the left side of the bottom of the working plate, and a conveying assembly is fixedly connected to the top of the base. The conveying assembly is constructed of a drive roller and a conveyor belt, and the through groove is located directly above the conveyor belt.

[0012] Furthermore, support plates are fixedly connected to both sides of the top conveying assembly of the base, and a fixed plate is fixedly connected to the top of the support plates. A groove is opened in the middle of the top surface of the fixed plate, and a double threaded rod is rotatably connected in the groove. A second motor is fixedly connected to the front end of the double threaded rod, and sliders adapted to the groove are threaded to both ends of the double threaded rod. An L-shaped rod is fixedly connected to the top of the slider, and a limit plate is fixedly connected to the inner side of the L-shaped rod. The bottom of the limit plate is in contact with the top of the conveyor belt in the conveying assembly.

[0013] Furthermore, the limiting plate is evenly provided with strip grooves, and guide rollers are evenly rotatably connected in the strip grooves.

[0014] Compared with the prior art, the beneficial effects of this utility model are: a linkage-type solder paste dispensing device adopts a novel structural design, the specific details of which are as follows:

[0015] (1) The linkage solder paste dispensing equipment is powered by the first motor on the right side of the bottom of the support, which drives the rotating disk fixed at its output end to rotate, so that the eccentric column on the top edge of the rotating disk makes a circular motion synchronously. Since the eccentric column is embedded in the movable groove of the transmission component at the bottom of the rotating shaft, the circular motion can be converted into the intermittent rotation of the transmission component, thereby driving the rotating shaft and the top transmission disk to achieve synchronous intermittent rotation. At the same time, the sleeve at the top of the first support forms a radial constraint on the container through the sliding cooperation between the inner wall limiting groove and the outer wall limiting block of the pressure block, preventing the container from shifting horizontally. The spring at the bottom of the top block continuously applies a downward elastic force, pushing the pressure block to tightly abut against the top of the container, thereby achieving axial fixation of the container. This double fixing structure ensures that the container always maintains a stable posture during the dispensing process. Combined with the precise alignment of the nozzle below the second support and the arc groove of the transmission disk, the deviation value of the solder paste dispensing amount can be greatly reduced, effectively improving the consistency of product quality in mass production.

[0016] (2) This linkage solder paste dispensing equipment starts the second motor at the front end of the double threaded rod on the fixed plate. When the double threaded rod rotates, it can drive the sliders connected by threads at both ends to move in opposite directions along the slide groove. This drives the limiting plate on the inner side of the L-shaped rod at the top of the slider to adjust the spacing synchronously. It can flexibly adapt to solder paste containers of different diameters and heights without the need to change special tooling, thus improving the equipment's adaptability to multiple product specifications. At the same time, the guide rollers connected to the strip groove of the limiting plate have a dual function: on the one hand, they can form a lateral limit on the container during transportation, preventing the container from shifting or tipping due to the pushing inertia generated when it is transferred from the transmission plate to the conveying component, slight bumps or speed fluctuations during the operation of the conveyor belt. On the other hand, the guide rollers replace sliding contact with rolling contact, which greatly reduces the frictional resistance between the container and the limiting plate, ensuring that the container moves smoothly along the conveying direction. This reduces the waste of solder paste material, lowers production costs, and prevents leaked solder paste from contaminating core components such as the transmission plate and conveying component. It also reduces the frequency and time of equipment cleaning and maintenance, reduces the intensity of manual operation and maintenance, and ultimately improves the overall operating efficiency.

[0017] Furthermore, the limit plate with double threaded rod adjustment and the transmission plate with arc groove design can be adapted to solder paste containers of different specifications, eliminating the need for frequent tooling changes and improving the equipment's versatility. Attached Figure Description

[0018] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0019] Figure 2 This is a schematic diagram of the exploded structure of this utility model;

[0020] Figure 3 This is an exploded view of the working disc of this utility model;

[0021] Figure 4 This is an exploded view of the first support of this utility model;

[0022] Figure 5 This is a three-dimensional schematic diagram of the second support of this utility model;

[0023] Figure 6 This is an exploded view of the fixing plate of this utility model.

[0024] In the diagram: 1. Base; 11. Working disc; 12. Support; 13. Rotating disc; 131. Eccentric column; 14. Rotating shaft; 15. Transmission disc; 16. Transmission component; 2. First bracket; 21. Sleeve; 22. Top block; 23. Spring; 24. Pressure block; 3. Second bracket; 31. Paste storage tank; 32. Nozzle; 4. Conveying assembly; 5. Fixing plate; 51. Double threaded rod; 52. L-shaped rod; 53. Limiting plate. Detailed Implementation

[0025] 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.

[0026] Example 1: A linkage-type solder paste dispensing device, through the mutual cooperation of the eccentric column 131 on the rotating disk 13 and the movable groove on the transmission component 16, drives the transmission disk 15 on the rotating shaft 14 to deflect and adjust. Then, the coordinated cooperation of components such as the sleeve 21, spring 23 and pressure block 24 on the first bracket 2 ensures that there is always a container in the arc-shaped groove on the right side of the transmission disk 15. This prevents the feeding mechanism and the dispensing mechanism from working independently, which can easily lead to problems such as untimely material delivery and inaccurate positioning, resulting in a large error in the amount of solder paste dispensed and affecting product quality.

[0027] like Figure 1 - Figure 5As shown, a linkage-type solder paste dispensing device includes a base 1, with legs evenly fixedly connected to the top of the base 1, and a working tray 11 fixedly connected to the top of the legs. A support 12 is fixedly connected to the top of the base 1, and the support 12 is located below the working tray 11. A first motor is fixedly connected to the right side of the bottom of the support 12. After the first motor is started, it can drive the component fixed at its output end to rotate, providing power for the intermittent transmission of the device. A rotating disk 13 is fixedly connected to the output end of the first motor. The rotating disk 13 can rotate under the drive of the first motor. An eccentric column 131 is fixedly connected to the top edge of the rotating disk 13. The eccentric column 131 moves in a circular motion with the rotating disk 13, which can convert the circular motion of the rotating disk 13 into the intermittent rotation of the subsequent components. The working tray 11... A rotating shaft 14 is rotatably connected at the center of the work plate 11. The rotating shaft 14 can rotate at the center of the work plate 11, thereby driving the top component to rotate synchronously. A transmission plate 15 is fixedly connected to the top of the work plate 11. The transmission plate 15 moves synchronously with the rotation of the rotating shaft 14. The outer wall of the transmission plate 15 has arc-shaped grooves for stabilizing the containers to be packaged. With the intermittent rotation of the transmission plate 15, the containers in the grooves can be transferred one by one and in an orderly manner to the packaging station. Automated feeding and precise positioning can be completed without manual intervention. A transmission component 16 is provided at the bottom of the rotating shaft 14. Movable grooves are evenly provided on the transmission component 16, and an eccentric column 131 is movably connected within the movable groove. When the eccentric column 131 makes a circular motion, it will move within the movable groove, thereby converting the circular motion into the transmission component 16. Intermittent rotation drives the rotating shaft 14 to complete intermittent rotation synchronously. A first bracket 2 is fixedly connected to the right side of the top support 12 of the base 1. The first bracket 2 provides support for the top component. A sleeve 21 is fixedly connected to its top. The sleeve 21 forms a radial constraint on the container transferred to the dispensing station, playing a preliminary limiting role. A rectangular groove is opened on the outer wall of the sleeve 21, and a protective plate is movably connected in the rectangular groove. A top block 22 is fixedly connected to the top of the sleeve 21. The top block 22 provides a mounting and support base for the spring 23. The bottom of the top block 22 is fixedly connected to the spring 23. The spring 23 can naturally extend and apply a continuous downward elastic force to push the pressure block 24 to tightly abut against the top of the container. The bottom of the spring 23 is fixedly connected to the pressure block 24. The pressure block 24 is supported by the elasticity of the spring 23. Under force, it can tightly abut against the top of the container, firmly fixing the container in the arc-shaped groove of the transmission plate 15, fundamentally preventing the container from shifting during solder paste dispensing, laying the foundation for accurate dispensing. Limiting grooves are evenly distributed on the inner wall of the sleeve 21, and limiting blocks are evenly fixedly connected to the outer wall of the pressure block 24. The sleeve 21 and the pressure block 24 are slidably connected through the limiting grooves and limiting blocks. This sliding fit strictly limits the movement trajectory of the pressure block 24, ensuring it can only move vertically to avoid deviation. The pressure block 24 abuts against the top of the container. A second bracket 3 is fixedly connected to the rear of the top support 12 of the base 1. The second bracket 3 provides support for the top solder paste storage and dispensing components. A solder paste storage tank 31 is fixedly connected to its top, used to pre-store solder paste to be dispensed.To provide raw materials for the dispensing process, a pump body is fixedly connected to the front outer wall of the solder paste storage tank 31. After the container is positioned and fixed, the pump body starts and can control the solder paste output according to preset parameters. A pipe is fixedly connected to the pump body and passes through the top of the second bracket 3. The pipe is used to stably transport the solder paste in the storage tank 31 to the nozzle 32. The nozzle 32 is fixedly connected to the bottom of the pipe. The nozzle 32 is pre-aligned directly above the arc-shaped groove of the transmission plate 15. When the container stops at the dispensing station with the transmission plate 15, a measured amount of solder paste is dispensed from the nozzle. The nozzle 32 injects the solder paste into the container, thus completing a single solder paste dispensing process. The nozzle 32 is positioned directly above the arc-shaped groove on the transmission disc 15. A through-slot is provided on the left side of the bottom of the work disc 11, facilitating the dispensing of the container into the conveyor assembly 4 below. The conveyor assembly 4 is fixedly connected to the top of the base 1. The conveyor assembly 4 consists of a transmission roller and a conveyor belt. The conveyor belt moves under the drive of the transmission roller, transporting the dispensed containers from the through-slots to subsequent workstations. The through-slot is located directly above the conveyor belt.

[0028] Example 2: Unlike Example 1, the distance between the two limiting plates 53 is adjusted according to the size of the container by the threaded engagement of the slider and the double threaded rod 51. The guide rollers on the limiting plates 53 guide the container to prevent it from tipping over. This prevents the container from tilting due to pushing inertia when it is pushed from the dispensing table to the unloading conveyor belt, which could cause slight bumps or speed fluctuations and lead to the container tipping over directly, potentially causing solder paste leakage, contaminating the equipment, and reducing overall operating efficiency.

[0029] like Figure 6As shown, support plates are fixedly connected to both sides of the top conveying assembly 4 of the base 1. These support plates primarily support and fix the upper structure, providing a stable installation foundation for the subsequent fixing plate 5 and related adjustment components. A fixing plate 5 is fixedly connected to the top of the support plate. The fixing plate 5 is the core carrier for the adjustment mechanism, including the double threaded rod 51 and the slider. A groove in the center of its top surface provides a precise guide path for the slider's movement, ensuring that the slider always moves in the preset direction during adjustment. The double threaded rod 51 is rotatably connected within the groove, and a second... The second motor serves as the power source, driving the double-threaded rod 51 to rotate. The special thread design of the double-threaded rod 51 allows it to drive the sliders, which are threaded at both ends and adapted to the grooves, to move synchronously in opposite directions, thus achieving the spacing adjustment function. An L-shaped rod 52 is fixedly connected to the top of the slider, connecting it to the limiting plate 53. This L-shaped rod transmits the slider's movement force to the limiting plate 53, causing it to adjust synchronously. The limiting plate 53 is fixedly connected to the inner side of the L-shaped rod 52, and the bottom of the limiting plate 53 is aligned with the top of the conveyor belt within the conveyor assembly 4. When the second motor is started according to the specifications and dimensions of the container to be conveyed, the limiting plate 53 will adjust its spacing synchronously with the slider and L-shaped rod 52 until the two limiting plates 53 are precisely fitted against the outer walls of the container, forming a stable lateral constraint to prevent the container from shifting laterally during conveying. The limiting plate 53 has evenly spaced slots, and guide rollers are evenly rotated and connected in the slots. When the container moves with the conveyor belt of the conveying assembly 4, the guide rollers replace the traditional sliding contact with rolling contact, which greatly reduces the frictional resistance between the container and the limiting plate 53, ensuring smooth movement of the container, while also maintaining stability. The lateral limiting function continues to effectively counteract the pushing inertia during container transfer, as well as slight bumps or speed fluctuations during conveyor belt operation, further preventing containers from tilting or tipping over. Ultimately, this helps the containers to be smoothly transported to the next process. After the solder paste is injected into the container, the drive plate 15 continues to rotate intermittently, moving the container containing solder paste from the dispensing station to directly above the through slot on the left side of the working plate 11. As the drive plate 15 continues to rotate, the container is freed from the arc-shaped groove constraint and naturally falls into the conveying component 4 below through the through slot of the working plate 11, completing the automated transfer between the dispensing station and the conveying station.

[0030] The above is the entire working process of the device, and all contents not described in detail in this specification are existing technologies known to those skilled in the art.

[0031] 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 linkage-type solder paste dispensing device, comprising a base (1), characterized in that: The base (1) is uniformly fixedly connected to the top of the support legs, and the top of the support legs is fixedly connected to the working plate (11). The base (1) is fixedly connected to the top of the support (1) and the support (12) is located below the working plate (11). The bottom right side of the support (12) is fixedly connected to the first motor. The output end of the first motor is fixedly connected to the rotating plate (13). The top edge of the rotating plate (13) is fixedly connected to the eccentric column (131). The center of the working plate (11) is rotatably connected to the rotating shaft (14). The top of the rotating shaft (14) is fixedly connected to the transmission plate (15). The outer wall of the transmission plate (15) is uniformly provided with arc-shaped grooves. The bottom of the rotating shaft (14) is fixedly connected to the transmission component (16). The transmission component (16) is uniformly provided with movable grooves, and the eccentric column (131) is located in the movable groove and is movably connected.

2. The linkage-type solder paste dispensing equipment according to claim 1, characterized in that: The right side of the top support (12) of the base (1) is fixedly connected to a first bracket (2), the top of the first bracket (2) is fixedly connected to a sleeve (21), a rectangular groove is provided on the outer wall of the sleeve (21), and a protective plate is movably connected in the rectangular groove. The top of the sleeve (21) is fixedly connected to a top block (22), the bottom of the top block (22) is fixedly connected to a spring (23), and the bottom of the spring (23) is fixedly connected to a pressure block (24).

3. The linkage-type solder paste dispensing equipment according to claim 2, characterized in that: The inner wall of the sleeve (21) is uniformly provided with limiting grooves, and the outer wall of the pressure block (24) is uniformly fixedly connected with limiting blocks. The sleeve (21) and the pressure block (24) are slidably connected to the limiting blocks through the limiting grooves, and the pressure block (24) abuts against the top of the container.

4. The linkage-type solder paste dispensing equipment according to claim 1, characterized in that: A second bracket (3) is fixedly connected to the rear of the top support (12) of the base (1). A paste storage tank (31) is fixedly connected to the top of the second bracket (3). A pump body is fixedly connected to the front outer wall of the paste storage tank (31). A pipe is fixedly connected to the pump body and passes through the top of the second bracket (3). A nozzle (32) is fixedly connected to the bottom of the pipe and is located directly above the arc groove on the transmission disc (15).

5. The linkage-type solder paste dispensing equipment according to claim 1, characterized in that: The bottom left side of the working plate (11) has a through groove, and the top of the base (1) is fixedly connected to a conveying assembly (4). The conveying assembly (4) is constructed of a transmission roller and a conveyor belt, and the through groove is located directly above the conveyor belt.

6. The linkage-type solder paste dispensing equipment according to claim 1, characterized in that: The base (1) has a support plate fixedly connected to both sides of the top conveying assembly (4). The top of the support plate is fixedly connected to a fixing plate (5). A groove is opened in the middle of the top surface of the fixing plate (5). A double threaded rod (51) is rotatably connected in the groove. A second motor is fixedly connected to the front end of the double threaded rod (51). Both ends of the double threaded rod (51) are threadedly connected to sliders that are compatible with the groove. An L-shaped rod (52) is fixedly connected to the top of the slider. A limiting plate (53) is fixedly connected to the inner side of the L-shaped rod (52), and the bottom of the limiting plate (53) is in contact with the top of the conveyor belt in the conveying assembly (4).

7. The linkage-type solder paste dispensing equipment according to claim 6, characterized in that: The limiting plate (53) is evenly provided with strip grooves, and guide rollers are evenly connected to the strip grooves.

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