Soldering flux feeding mechanism for soldering paste
Patent Information
- Application Number
- CN202421417686.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-20
- Publication Date
- 2025-04-25
- Estimated Expiration
- 2034-06-20
AI Technical Summary
The existing flux feeding mechanism for solder paste cannot control the feeding speed, which causes fluctuations in the proportion of flux in the solder paste, affects the solder quality, and may lead to unevenness of the solder points, resulting in problems such as false soldering, too large or too small soldering.
A feeding mechanism including a feeding device body, a feed port, a discharge box, a feeding chamber, a flow limiting plate, a adjustment groove, a adjustment block, a insertion block and a slot is designed. Through the coordination of the adjustment block and the insertion block, the staff is allowed to control the feeding speed; at the same time, the combination of an electric telescopic rod and a scraper is used to clean the residue in the storage chamber and improve the feeding accuracy.
Accurate control of feeding speed, stabilize the flux delivery ratio, improve welding quality and efficiency, and avoid the problem of unevenness of welding points.
Smart Images
Figure CN222790836U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of feeding materials, in particular to a flux feeding mechanism for solder paste. Background Art
[0002] In the electronics manufacturing industry, the use of solder paste is an indispensable part of the electronic product assembly process. Solder paste is a mixture of metal powder and flux, which is mainly used to establish electrical and mechanical connections between electronic components and circuit boards. Flux is one of the key ingredients in solder paste, and its quality and accuracy of placement directly affect the quality and efficiency of welding.
[0003] A Chinese patent discloses a feeding structure for flux for solder paste, with the authorization announcement number CN220739741U. The patented technology facilitates the rapid installation of the feeding box through an elastic support component, and facilitates the rapid disassembly of the feeding box for cleaning. By arranging a feeding component and a vibration component on the feeding box, the flux raw material is prevented from getting stuck, effectively ensuring the accuracy of quantitative feeding.
[0004] With respect to the above-mentioned and existing related technologies, the inventors believe that the following defects often exist: the existing feeding mechanism is unable to control the feeding speed, and the instability of the feeding speed will cause the proportion of flux in the solder paste to fluctuate, thereby affecting the welding quality. Secondly, the instability of the feeding speed may also lead to a decrease in the uniformity of the solder paste, resulting in problems such as cold solder joints, solder joints that are too large or too small, etc. during welding. Utility Model Content
[0005] The technical problem to be solved by the utility model is that the prior art has the disadvantage that the feeding speed cannot be controlled, so we propose a soldering flux feeding mechanism for solder paste.
[0006] In order to achieve the above-mentioned purpose, the present application adopts the following technical scheme: a flux feeding mechanism for solder paste, comprising a feeding device body, a feeding port is fixed on one side of the feeding device body, a discharge box is fixedly connected to the bottom end of the feeding device body, a storage cavity is provided inside the feeding device body, a limiting flow plate is slidably connected inside the discharge box, adjustment grooves are provided on both sides of the discharge box, an adjustment block is slidably connected inside the adjustment groove, an insert block is fixedly connected to the top of the adjustment block, and a plurality of slots suitable for cooperating with the insert block are provided at the bottom of the limiting plate.
[0007] Preferably, slide grooves are provided on both sides of the discharge box, and sliders are fixed on both sides of the limiting plate, and the surfaces of the sliders are slidably connected to the inside of the slide grooves.
[0008] Preferably, sliding grooves are provided at both ends of the adjusting groove, sliding blocks are fixed at both ends of the adjusting block, and the surface of the sliding block is slidably connected to the inside of the sliding groove.
[0009] Preferably, a force storage spring is fixed to a side of the adjustment block close to the adjustment slot, and a side of the force storage spring away from the adjustment block is fixedly connected to the inside of the adjustment slot.
[0010] Preferably, an electric telescopic rod is fixed to the top of the storage chamber, connecting rods are fixed around the outer diameter of the electric telescopic rod, a telescopic groove is provided on the side of the connecting rod away from the electric telescopic rod, an extension block is slidably connected to the inside of the telescopic groove, a scraper is fixedly connected to the side of the extension block away from the telescopic groove, a return spring is fixed to the side of the extension block away from the scraper, and the return spring is fixed to the inside of the telescopic groove on the side away from the extension block.
[0011] Preferably, both ends of the telescopic slot are provided with limiting slots, and both ends of the extension block are fixed with limiting blocks, and the surface of the limiting block is slidably connected to the inside of the limiting slot.
[0012] Preferably, the scraper is made of rubber.
[0013] Technical effects and advantages of the utility model:
[0014] In the utility model, a worker presses the adjusting block toward the inside of the adjusting groove, and the adjusting block drives the insert block to release the limit between the adjusting block and the slot. The worker pulls the limiting plate outward. After adjusting the applicable position of the limiting plate, the insert block is aligned with the slot and the adjusting block is pulled outward. During the movement, the adjusting block drives the insert block to be inserted into the slot for fixed limit. Through this arrangement, the worker can control the feeding speed.
[0015] In the utility model, the connecting rod is driven to move up and down by the electric telescopic rod, and the connecting rod drives the scraper to clean the residual material in the inner cavity of the storage chamber. At the same time, through the setting of the return spring, the return spring pushes the extension block under the action of the rebound force, and the extension block pushes the scraper to move in accordance with the inner cavity of the storage chamber, so that the cleaning effect of the scraper is better. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a schematic diagram of the main structure of the utility model;
[0017] Figure 2 It is a schematic diagram of a partial cross-sectional structure of the bottom of the feeding device body of the utility model;
[0018] Figure 3 For this utility model Figure 2 A partial enlarged view of the middle A;
[0019] Figure 4 This is a schematic diagram of the internal cross-sectional structure of the feeding device body of the utility model;
[0020] Figure 5 For this utility model Figure 4 A partial enlarged view of point B in the middle.
[0021] Legend: 1. Feeding device body; 2. Feeding port; 3. Discharging box; 4. Storage chamber; 5. Limiting plate; 6. Adjusting slot; 7. Adjusting block; 8. Insert block; 9. Slot; 10. Slide slot; 11. Sliding block; 12. Sliding slot; 13. Sliding block; 14. Force storage spring; 15. Electric telescopic rod; 16. Connecting rod; 17. Telescopic slot; 18. Extension block; 19. Scraper; 20. Return spring; 21. Limiting slot; 22. Limiting block. DETAILED DESCRIPTION
[0022] The present invention will now be further described in detail in conjunction with the accompanying drawings and preferred embodiments. These drawings are simplified schematic diagrams that only illustrate the basic structure of the present invention in a schematic manner, and therefore only show the components related to the present invention.
[0023] Reference Figure 1 , Figure 2 and Figure 3 As shown, the utility model provides a technical solution: a solder flux feeding mechanism for solder paste, comprising a feeding device body 1, a feeding port 2 is fixed on one side of the feeding device body 1, a discharging box 3 is fixedly connected to the bottom end of the feeding device body 1, a material storage cavity 4 is provided inside the feeding device body 1, a limiting flow plate 5 is slidably connected to the inside of the discharging box 3, and adjustment grooves 6 are provided on both sides of the discharging box 3. An adjusting block 7 is slidably connected to the inside of the adjusting groove 6, and an inserting block 8 is fixedly connected to the top of the adjusting block 7. A plurality of slots 9 suitable for cooperating with the inserting block 8 are provided at the bottom of the limiting plate 5. The staff presses the adjusting block 7 into the inside of the adjusting groove 6, and the adjusting block 7 drives the inserting block 8 to release the limit between the inserting block 8 and the slot 9. The staff pulls the limiting plate 5 outward. After adjusting the applicable position of the limiting plate 5, the inserting block 8 is aligned with the slot 9 and the adjusting block 7 is pulled outward. During the movement, the adjusting block 7 drives the inserting block 8 to be inserted into the slot 9 for fixed limit. Through this arrangement, the staff can control the feeding speed.
[0024] Reference Figure 1 , Figure 2 and Figure 3As shown, in this embodiment: slide grooves 10 are opened on both sides of the inside of the discharge box 3, and sliders 11 are fixed on both sides of the flow limiting plate 5. The surface of the slider 11 is slidably connected with the inside of the slide groove 10. When the staff moves the flow limiting plate 5, the flow limiting plate 5 drives the slider 11 to slide inside the slide groove 10. Through this arrangement, the movement of the flow limiting plate 5 is smoother, the friction and resistance are reduced, and the work efficiency is improved. At the same time, it can reduce the damage to the equipment caused by accidental collision to a certain extent.
[0025] Reference Figure 1 , Figure 2 and Figure 3 As shown, in this embodiment: sliding grooves 12 are provided at both ends of the adjusting groove 6, sliding blocks 13 are fixed at both ends of the adjusting block 7, and the surface of the sliding block 13 is slidably connected to the inside of the sliding groove 12. When the staff moves the adjusting block 7, the linkage mechanism between the adjusting block 7 and the sliding block 13 starts to work, so that the sliding block 13 slides smoothly inside the sliding groove 12. This design not only improves work efficiency, but also ensures the accuracy of operation.
[0026] Reference Figure 3 As shown, in this implementation scheme: a force storage spring 14 is fixed on the side of the adjustment block 7 close to the adjustment slot 6, and the side of the force storage spring 14 away from the adjustment block 7 is fixedly connected to the inside of the adjustment slot 6. When the staff moves the adjustment block 7 into the adjustment slot 6, the adjustment block 7 squeezes the force storage spring 14 to compress and store force, and at the same time drives the insertion block 8 to release the limit between it and the slot 9. When the staff aligns the insertion block 8 with the slot 9 and releases the adjustment block 7, the force storage spring 14 is quickly pushed under the action of the rebound force, and pushes the adjustment block 7 to move outward, and the adjustment block 7 drives the insertion block 8 to be inserted into the slot 9 for fixation.
[0027] Reference Figure 4 and Figure 5 As shown, in this embodiment: an electric telescopic rod 15 is fixed to the top of the storage chamber 4, and connecting rods 16 are fixed around the outer diameter of the electric telescopic rod 15. A telescopic groove 17 is provided on the side of the connecting rod 16 away from the electric telescopic rod 15, and an extension block 18 is slidably connected to the inside of the telescopic groove 17. A scraper 19 is fixedly connected to the side of the extension block 18 away from the telescopic groove 17. A return spring 20 is fixed to the side of the extension block 18 away from the scraper 19, and the side of the return spring 20 away from the extension block 18 is fixed to the inside of the telescopic groove 17. The connecting rod 16 is driven up and down by the electric telescopic rod 15, and the connecting rod 16 drives the scraper 19 to clean the residual material in the inner cavity of the storage chamber 4. At the same time, through the setting of the return spring 20, the return spring 20 pushes the extension block 18 under the action of the rebound force, and the extension block 18 pushes the scraper 19 to move in contact with the inner cavity of the storage chamber 4, so that the cleaning effect of the scraper 19 is better.
[0028] Reference Figure 4 and Figure 5 As shown, in the present embodiment: limiting grooves 21 are provided at both ends of the telescopic groove 17, limiting blocks 22 are fixed at both ends of the extension block 18, and the surface of the limiting block 22 is slidably connected to the inside of the limiting groove 21. During the movement of the extension block 18, the extension block 18 drives the limiting block 22 to slide inside the limiting groove 21. Through this arrangement, the movement of the extension block 18 is smoother, the friction and resistance are reduced, and the overall work efficiency is improved. At the same time, during the sliding process of the limiting block 22 inside the limiting groove 21, the moving trajectory of the extension block 18 can also be limited to prevent the extension block 18 from deviating from the predetermined path, thereby ensuring the accuracy of the work.
[0029] Reference Figure 5 As shown, in this embodiment: the scraper 19 is made of rubber. By setting the scraper 19 to be made of rubber, the scraper 19 can have a certain flexibility, so that the cleaning effect is better. In addition, the rubber material also has a certain wear resistance and corrosion resistance, which can ensure that the scraper 19 has a longer service life and reduce the frequency and cost of replacement.
[0030] Working principle: the staff presses the adjusting block 7 into the adjusting slot 6, and the adjusting block 7 drives the inserting block 8 to release the limit between the adjusting block 7 and the slot 9, and the staff pulls the limiting plate 5 outward. After adjusting the applicable position of the limiting plate 5, the inserting block 8 is aligned with the slot 9 and the adjusting block 7 is pulled outward. During the movement, the adjusting block 7 drives the inserting block 8 to be inserted into the slot 9 for fixed limit. Through this setting, the staff can control the feeding speed. During the movement of the limiting plate 5, the limiting plate 5 drives the slider 11 to slide inside the slide slot 10. Through this setting, the movement of the limiting plate 5 The movement is smoother, friction and resistance are reduced, and work efficiency is improved. At the same time, damage to the equipment caused by accidental collision can be reduced to a certain extent. When the staff moves the adjustment block 7, the linkage mechanism between the adjustment block 7 and the sliding block 13 starts to work, so that the sliding block 13 slides smoothly inside the sliding groove 12. This design not only improves work efficiency, but also ensures the accuracy of operation. When the staff moves the adjustment block 7 into the adjustment groove 6, the adjustment block 7 squeezes the storage spring 14 to compress and store force, and at the same time drives the plug block 8 to release the limit between it and the slot 9. When the staff When the insert block 8 is aligned with the slot 9 and the adjustment block 7 is released, the storage spring 14 is pushed quickly under the action of the rebound force, and the connecting rod 16 is driven to move up and down through the electric telescopic rod 15. The connecting rod 16 drives the scraper 19 to clean the residual material in the inner cavity of the storage chamber 4. At the same time, through the setting of the return spring 20, the return spring 20 pushes the extension block 18 under the action of the rebound force. The extension block 18 pushes the scraper 19 to move in contact with the inner cavity of the storage chamber 4, so that the cleaning effect of the scraper 19 is better. In the process of the extension block 18 moving, the extension block 18 drives the limiting block 22 to move inside the limiting groove 21. Sliding, through this setting, the movement of the extension block 18 is smoother, the friction and resistance are reduced, and the overall work efficiency is improved. At the same time, during the sliding of the limiting block 22 inside the limiting groove 21, the moving trajectory of the extension block 18 can also be limited to prevent the extension block 18 from deviating from the predetermined path, thereby ensuring the accuracy of the work. By setting the scraper 19 to be rubber, the scraper 19 can have a certain flexibility, which makes the cleaning effect better. In addition, the rubber material also has a certain wear resistance and corrosion resistance, which can ensure that the scraper 19 has a longer service life and reduce the frequency and cost of replacement.
[0031] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A flux feeding mechanism for solder paste, comprising a feeding device body (1), characterized in that: A feeding port (2) is fixedly provided on one side of the feeding device body (1); a discharge box (3) is fixedly connected to the bottom end of the feeding device body (1); a material storage cavity (4) is provided inside the feeding device body (1); a flow limiting plate (5) is slidably connected to the inside of the discharge box (3); adjustment grooves (6) are provided on both sides of the discharge box (3); an adjustment block (7) is slidably connected to the inside of the adjustment groove (6); an insert block (8) is fixedly connected to the top end of the adjustment block (7); and a plurality of slots (9) suitable for cooperating with the insert block (8) are provided at the bottom of the flow limiting plate (5).
2. The solder paste flux feeding mechanism according to claim 1, characterized in that: Slide grooves (10) are provided on both sides of the discharge box (3), and sliders (11) are fixed on both sides of the flow limiting plate (5), and the surfaces of the sliders (11) are slidably connected to the inside of the slide grooves (10).
3. The solder paste flux feeding mechanism according to claim 1, characterized in that: Sliding grooves (12) are provided at both ends of the adjusting groove (6), and sliding blocks (13) are fixed at both ends of the adjusting block (7), and the surface of the sliding block (13) is slidably connected to the inside of the sliding groove (12).
4. The solder paste flux feeding mechanism according to claim 1, characterized in that: A force storage spring (14) is fixed to a side of the adjustment block (7) close to the adjustment slot (6), and a side of the force storage spring (14) away from the adjustment block (7) is fixedly connected to the inside of the adjustment slot (6).
5. The solder paste flux feeding mechanism according to claim 1, characterized in that: An electric telescopic rod (15) is fixed to the top of the material storage chamber (4), connecting rods (16) are fixed around the outer diameter of the electric telescopic rod (15), a telescopic groove (17) is provided on the side of the connecting rod (16) away from the electric telescopic rod (15), an extension block (18) is slidably connected inside the telescopic groove (17), a scraper (19) is fixedly connected to the side of the extension block (18) away from the telescopic groove (17), a return spring (20) is fixed to the side of the extension block (18) away from the scraper (19), and the side of the return spring (20) away from the extension block (18) is fixed to the inside of the telescopic groove (17).
6. The solder paste flux feeding mechanism according to claim 5, characterized in that: Both ends of the telescopic slot (17) are provided with limiting slots (21), and both ends of the extension block (18) are fixed with limiting blocks (22), and the surface of the limiting block (22) is slidably connected to the inside of the limiting slot (21).
7. The solder paste flux feeding mechanism according to claim 5, characterized in that: The scraper (19) is made of rubber.