Precise feeding system for welding

Abstract

The utility model provides a welding accurate feeding system which comprises an adjusting assembly, and the adjusting assembly comprises a feeding platform, a side plate, a transmission roller, a conveying belt, a lead screw, a connecting rod, a concentric-square-shaped plate, a pressing roller, a first gear, an L-shaped block, a first driving motor and a second gear. Four side plates are welded to the top of the feeding platform. A first driving motor drives a meshed first gear to rotate through a second gear, the first gear drives a lead screw to rotate, the lead screw drives a connecting rod to move downwards, the connecting rod drives an L-shaped rod to move, the L-shaped rod drives a corresponding sliding rod to slide on a limiting groove, and the connecting rod drives a pressing roller to move downwards through a concentric-square-shaped plate. The pressing rollers extrude the inner wall of the bottom of the conveying belt, so that the conveying belt is gradually tightened, meanwhile, the concentric-square-shaped plates drive the corresponding limiting rods to slide on the square rods, and therefore the tightness degree of the conveying belt can be adjusted according to needs, and it is ensured that the conveying belt can stably convey materials.

Description

Technical Field

[0001] The utility model relates to a feeding system, in particular to a welding precision feeding system, and belongs to the technical field of SMT production line equipment. Background Art

[0002] After the semiconductor parts are brushed with solder paste, they need to be welded. Traditionally, the welding parts are manually transported to the welding machine for welding. During the manual feeding process, due to too many uncontrollable factors, it is inevitable that the welded parts will be displaced and fall off, resulting in unqualified welding.

[0003] The known authorized invention (publication number: CN113059252A) discloses a feeding device for an automatic welding machine, comprising: a feeding platform, on which the parts to be welded walk; a welding manipulator, which is arranged near the discharge end of the feeding platform. The present invention discloses a feeding device for an automatic welding machine, in which the parts to be welded are sequentially placed on the feeding platform, and the feeding platform sequentially delivers the parts to be welded to the bottom of the welding manipulator for welding operation, thereby getting rid of the displacement and falling off of the welded parts caused by traditional manual feeding, and improving the welding quality;

[0004] When the device is in use, although it can get rid of the displacement and falling of welding parts caused by traditional manual feeding and improve the welding quality, the device has a technical defect, that is, there is a lack of structure to adjust the tightness of the conveyor belt on the feeding platform. After long-term use, the conveyor belt is prone to loosening. If it is not adjusted in time, the conveyor belt will not be able to smoothly transport materials, thereby affecting the continuity and stability of welding production. Therefore, a welding precision feeding system is proposed. Utility Model Content

[0005] In view of this, the utility model provides a welding precision feeding system to solve or alleviate the technical problems existing in the prior art and at least provide a beneficial option.

[0006] The technical solution of the embodiment of the utility model is implemented as follows: a welding precision feeding system, including an adjustment component, the adjustment component including a feeding platform, a side plate, a transmission roller, a conveyor belt, a screw rod, a connecting rod, a circular plate, a pressure roller, a first gear, an L-shaped block, a first drive motor, and a second gear;

[0007] Four side plates are welded to the top of the feeding platform, and a transmission roller is rotatably connected between two opposite side plates. The two transmission rollers are transmission-connected to the same conveyor belt. A screw rod is rotatably connected to the top of the feeding platform, and a connecting rod is threadedly connected to the screw rod. A circular plate is fixedly connected to the top of the connecting rod, and a pressure roller is rotatably connected between the inner walls on both sides of the circular plate. The bottom of the pressure roller is in rolling contact with the bottom inner wall of the conveyor belt, and a first gear is fixedly connected to the screw rod. An L-shaped block is fixedly connected to the top of the feeding platform, and a first driving motor is fixedly connected to one side of the L-shaped block. The output shaft of the first driving motor is fixedly connected to a second gear, and the second gear is meshed with the first gear.

[0008] Further preferably, two square rods are fixedly connected to the top of the feeding platform, and a limiting rod is slidably connected to the square rods.

[0009] Further preferably, a limiting groove is provided on one side of the square rod, and a sliding rod is slidably connected to the limiting groove.

[0010] Further preferably, an end of the sliding rod is fixedly connected to an L-shaped rod, and the end of the L-shaped rod is fixedly connected to one side of the connecting rod.

[0011] Further preferably, a second drive motor is fixedly connected to one side of one of the four side plates, and an end of one of the two drive rollers extends to the front side of the side plate and is fixedly connected to the output shaft of the second drive motor.

[0012] Further preferably, a threaded hole is provided on the connecting rod, and the connecting rod is threadably connected to the screw rod through the threaded hole.

[0013] Further preferably, a positioning hole is formed on the limiting rod, and the limiting rod is slidably connected to the corresponding square rod through the positioning hole.

[0014] Further preferably, the top end of the limiting rod is fixedly connected to the bottom end of the circular plate.

[0015] The embodiment of the utility model has the following advantages due to the adoption of the above technical solution:

[0016] The utility model has a first driving motor that drives the meshing first gear to rotate through the second gear, the first gear drives the lead screw to rotate, the lead screw drives the connecting rod to move downward, the connecting rod drives the L-shaped rod to move, the L-shaped rod drives the corresponding sliding rod to slide on the limiting groove, the connecting rod drives the pressure roller to move downward through the return plate, the pressure roller squeezes the bottom inner wall of the conveyor belt, so that the conveyor belt is gradually tightened, and at the same time the return plate drives the corresponding limit rod to slide on the square rod, so that the tightness of the conveyor belt can be adjusted according to needs to ensure that the conveyor belt can smoothly transport materials.

[0017] The above summary is for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the utility model will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or technical descriptions will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a three-dimensional structural diagram of the utility model;

[0020] Figure 2 This is a cutaway three-dimensional structural diagram of the feeding platform of the utility model;

[0021] Figure 3 It is a partial three-dimensional structural diagram of the utility model;

[0022] Figure 4 This is a three-dimensional structural diagram of the connection between the circular plate and the pressure roller of the utility model.

[0023] Figure numerals: 1. adjustment component; 2. feeding platform; 3. side plate; 4. transmission roller; 5. conveyor belt; 6. screw rod; 7. connecting rod; 8. circular plate; 9. pressure roller; 10. first gear; 11. L-shaped block; 12. first drive motor; 13. second gear; 14. square rod; 15. limit rod; 16. limit groove; 17. slide rod; 18. L-shaped rod; 19. second drive motor. DETAILED DESCRIPTION

[0024] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0025] The embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

[0026] like Figure 1-4 As shown, the embodiment of the utility model provides a welding precision feeding system, including an adjustment component 1, the adjustment component 1 includes a feeding platform 2, a side plate 3, a transmission roller 4, a conveyor belt 5, a screw rod 6, a connecting rod 7, a circular plate 8, a pressure roller 9, a first gear 10, an L-shaped block 11, a first drive motor 12, and a second gear 13;

[0027] Four side plates 3 are welded on the top of the feeding platform 2, and a transmission roller 4 is rotatably connected between two opposite side plates 3. The two transmission rollers 4 are transmission-connected to the same conveyor belt 5, and a screw rod 6 is rotatably connected to the top of the feeding platform 2. A connecting rod 7 is threadedly connected to the screw rod 6, and a circular plate 8 is fixedly connected to the top of the connecting rod 7. A pressure roller 9 is rotatably connected between the inner walls on both sides of the circular plate 8, and the bottom of the pressure roller 9 is in rolling contact with the bottom inner wall of the conveyor belt 5. A first gear 10 is fixedly connected to the screw rod 6, and an L-shaped block 11 is fixedly connected to the top of the feeding platform 2. A first drive motor 12 is fixedly connected to one side of the L-shaped block 11, and the output shaft of the first drive motor 12 is fixedly connected to the second gear 13, the second gear 13 is meshed with the first gear 10, the first drive motor 12 drives the meshed first gear 10 to rotate through the second gear 13, the first gear 10 drives the screw rod 6 to rotate, the screw rod 6 drives the connecting rod 7 to move downward, the connecting rod 7 drives the L-shaped rod 18 to move, the L-shaped rod 18 drives the corresponding sliding rod 17 to slide on the limiting groove 16, the connecting rod 7 drives the pressure roller 9 to move downward through the return plate 8, the pressure roller 9 squeezes the bottom inner wall of the conveyor belt 5, so that the conveyor belt 5 is gradually tightened, and at the same time the return plate 8 drives the corresponding limiting rod 15 to slide on the square rod 14, so that the tightness of the conveyor belt 5 can be adjusted as needed to ensure that the conveyor belt 5 can smoothly transport materials.

[0028] In one embodiment, two square rods 14 are fixedly connected to the top of the feeding platform 2, and a limiting rod 15 is slidably connected to the square rod 14. The top of the limiting rod 15 is fixedly connected to the bottom of the circular plate 8. A positioning hole is provided on the limiting rod 15. The limiting rod 15 is slidably connected to the corresponding square rod 14 through the positioning hole. The setting of the limiting rod 15 makes the circular plate 8 can only move up and down.

[0029] In one embodiment, a limiting groove 16 is opened on one side of the square rod 14, and a sliding rod 17 is slidably connected to the limiting groove 16. An L-shaped rod 18 is fixedly connected to the end of the sliding rod 17. The end of the L-shaped rod 18 is fixedly connected to one side of the connecting rod 7. The setting of the L-shaped rod 18 limits the connecting rod 7 so that the connecting rod 7 can only move up and down.

[0030] In one embodiment, a second drive motor 19 is fixedly connected to one side of one of the four side plates 3, and an end of one of the two drive rollers 4 extends to the front side of the side plate 3 and is fixedly connected to the output shaft of the second drive motor 19. The provision of the second drive motor 19 realizes automatic material conveying.

[0031] In one embodiment, a threaded hole is provided on the connecting rod 7, and the connecting rod 7 is threadedly connected to the screw rod 6 through the threaded hole. Under the bite force of the threaded hole and the screw rod 6 itself, the connecting rod 7 can be fixed after moving to a suitable position.

[0032] The utility model is in operation: when in use, the second drive motor 19 is started, the second drive motor 19 drives the conveyor belt 5 to rotate through the transmission roller 4, and the material is placed on the conveyor belt 5 for transportation. When the tightness of the conveyor belt 5 needs to be adjusted, the first drive motor 12 is started, the first drive motor 12 drives the meshing first gear 10 to rotate through the second gear 13, the first gear 10 drives the screw rod 6 to rotate, the screw rod 6 drives the connecting rod 7 to move downward, the connecting rod 7 drives the L-shaped rod 18 to move, and the L-shaped rod 18 drives the The corresponding slide rod 17 slides on the limit groove 16, and the connecting rod 7 drives the pressure roller 9 to move downward through the circular plate 8. The pressure roller 9 squeezes the bottom inner wall of the conveyor belt 5, so that the conveyor belt 5 is gradually tightened. At the same time, the circular plate 8 drives the corresponding limit rod 15 to slide on the square rod 14. After adjustment, the first drive motor 12 is stopped. Under the bite force of the threaded hole and the screw rod 6 itself, the connecting rod 7 can be fixed after moving to a suitable position, so that the tightness of the conveyor belt 5 can be adjusted as needed to ensure that the conveyor belt 5 can smoothly transport materials.

[0033] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of various changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A welding precision feeding system, comprising an adjustment component (1), Features: The adjustment component (1) comprises a feeding platform (2), a side plate (3), a transmission roller (4), a conveyor belt (5), a screw rod (6), a connecting rod (7), a circular plate (8), a pressure roller (9), a first gear (10), an L-shaped block (11), a first driving motor (12), and a second gear (13); Four side plates (3) are welded to the top of the feeding platform (2), and a transmission roller (4) is rotatably connected between two opposite side plates (3). The two transmission rollers (4) are transmission-connected to the same conveyor belt (5). A screw rod (6) is rotatably connected to the top of the feeding platform (2), and a connecting rod (7) is threadedly connected to the screw rod (6). A round plate (8) is fixedly connected to the top of the connecting rod (7), and a pressure roller (9) is rotatably connected between the inner walls of both sides of the round plate (8). The bottom of the pressure roller (9) is in rolling contact with the bottom inner wall of the conveyor belt (5). A first gear (10) is fixedly connected to the screw rod (6). An L-shaped block (11) is fixedly connected to the top of the feeding platform (2), and a first drive motor (12) is fixedly connected to one side of the L-shaped block (11). The output shaft of the first drive motor (12) is fixedly connected to a second gear (13), and the second gear (13) is meshed with the first gear (10).

2. The welding precision feeding system according to claim 1, Features: Two square rods (14) are fixedly connected to the top of the feeding platform (2), and a limiting rod (15) is slidably connected to the square rod (14).

3. The welding precision feeding system according to claim 2, Features: A limiting groove (16) is provided on one side of the square rod (14), and a sliding rod (17) is slidably connected to the limiting groove (16).

4. The welding precision feeding system according to claim 3, Features: The end of the sliding rod (17) is fixedly connected to an L-shaped rod (18), and the end of the L-shaped rod (18) is fixedly connected to one side of the connecting rod (7).

5. The welding precision feeding system according to claim 1, Features: One side of one of the four side plates (3) is fixedly connected to a second drive motor (19), and the end of one of the two drive rollers (4) extends to the front side of the side plate (3) and is fixedly connected to the output shaft of the second drive motor (19).

6. The welding precision feeding system according to claim 1, Features: The connecting rod (7) is provided with a threaded hole, and the connecting rod (7) is threadedly connected to the screw rod (6) through the threaded hole.

7. The welding precision feeding system according to claim 2, Features: The limiting rod (15) is provided with a positioning hole, and the limiting rod (15) is slidably connected to the corresponding square rod (14) through the positioning hole.

8. The welding precision feeding system according to claim 2, Features: The top end of the limiting rod (15) is fixedly connected to the bottom end of the circular plate (8).

Images