Spacing-adjustable conveying device for reflow soldering machine

Abstract

The utility model relates to the technical field of reflow soldering machines, and aims to provide a distance-adjustable conveying device for a reflow soldering machine, which comprises a bottom plate, supporting columns symmetrically and fixedly connected to the periphery of the bottom plate, a rack fixedly connected to the tops of the supporting columns, a conveying belt rotatably connected to the inner side of the rack, and supporting frames symmetrically connected to the two sides of the top of the bottom plate. The end, away from the conveying belt, of the threaded rod is fixedly connected with a rotary knob, and the end, close to the conveying belt, of the threaded rod is rotationally connected with a limiting frame. According to the device, the two limiting frames can be relatively close to each other until a workpiece is placed between the two limiting frames according to the width of the workpiece to be limited, the distance is adjusted, reflow soldering machining is facilitated, meanwhile, when the conveying belt moves, bristles of the brush plate can clean different positions of the surface of the conveying belt, and the purpose of cleaning the conveying belt is achieved.

Description

Technical Field

[0001] This utility model relates to the field of reflow soldering machine technology, and in particular to a conveying device for a reflow soldering machine with adjustable spacing. Background Technology

[0002] A reflow soldering machine, also called a reflow oven or reflow furnace, is a device that provides a heated environment to melt solder paste, allowing surface-mount components and PCB pads to be reliably bonded together through the solder paste alloy. Common reflow soldering machines are usually used in conjunction with a workpiece conveyor system, which automates the feeding process by automatically transporting the workpieces to be reflowed. Conventional conveyor systems for reflow soldering machines mainly consist of a conveyor belt, which achieves automatic transport through uniform speed. However, during transport, the varying widths of the workpieces, while the conveyor belt width is fixed, cause the workpieces' positions on the belt to change. This affects their entry into the reflow soldering machine's internal space, leading to a decrease in soldering accuracy. Furthermore, after prolonged use, the conveyor belt accumulates dust; if not cleaned promptly, this dust can adhere to the workpiece surface, affecting its usability and posing certain limitations. Utility Model Content

[0003] The purpose of this invention is to provide a conveying device for a reflow soldering machine with adjustable spacing, in order to solve the problems mentioned in the background art and facilitate its widespread application.

[0004] To achieve the aforementioned objectives, the technical solution adopted by this utility model is as follows:

[0005] A conveyor device for an adjustable-pitch reflow soldering machine includes a base plate. Support columns are symmetrically fixedly connected around the base plate. A frame is fixedly connected to the top of each support column. A conveyor belt is rotatably connected to the inner side of the frame. Support frames are symmetrically connected to the top two sides of the base plate. A threaded rod is threaded through the center of each support frame. A knob is fixedly connected to the end of the threaded rod away from the conveyor belt. A limit frame is rotatably connected to the end of the threaded rod near the conveyor belt. A bearing seat is fixedly connected to the inner side of the limit frame. A rotating shaft is rotatably connected to the inner side of the bearing seat. A rubber roller is sleeved on the outer surface of the rotating shaft. Two vertical plates are symmetrically connected to one side of the top of the base plate. A drive mechanism is fixedly connected to the outer wall of the first vertical plate. A drive motor is provided, with its output end passing through a vertical plate and fixedly connected to a bidirectional screw. The end of the bidirectional screw away from the output end of the drive motor is rotatably connected to the inner wall of the vertical plate. Both sides of the bidirectional screw are threadedly connected to threaded blocks. A hinge seat is fixedly connected to the top of the threaded blocks. A lifting rod is hinged to the hinge seat. A hinge seat is hinged to the end of the lifting rod away from the hinge seat. A fixing plate is fixedly connected to the bottom of the hinge seat. A brush plate is fixedly connected to the top of the fixing plate. A fixing column is fixedly connected to one side of the top of the base plate. A sliding groove is provided on the fixing column. A slider is slidably connected in the sliding groove. The end of the slider away from the sliding groove is fixedly connected to the outer wall of the brush plate.

[0006] Furthermore, the outer surface of the rotating shaft is fixedly connected to the middle of the rubber roller.

[0007] Furthermore, a telescopic rod is symmetrically connected to one side of the inner wall of the support frame, and one end of the telescopic rod is fixedly connected to the outer wall of the limiting frame.

[0008] Furthermore, there are multiple rubber rollers, which are linearly and uniformly distributed.

[0009] Furthermore, the threads on both sides of the bidirectional screw rotate in opposite directions.

[0010] The beneficial effects of this utility model are as follows:

[0011] This utility model discloses a conveyor device for a reflow soldering machine with adjustable spacing. By placing the workpiece requiring positioning above the conveyor belt and rotating the knobs on both sides, the threaded rod is rotated, causing the two positioning frames on both sides to move closer to the workpiece to be processed. This allows the two positioning frames to approach each other until the workpiece is positioned between the two positioning frames according to its width, thus achieving positioning. The spacing adjustment facilitates reflow soldering. Starting the drive motor rotates the bidirectional screw, which in turn moves the threaded block. The height of the brush plate is adjusted by the lifting rod until it contacts the conveyor belt. As the conveyor belt moves, the bristles of the brush plate clean different areas of its surface, achieving the purpose of cleaning the conveyor belt. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the overall structure of a conveying device for a reflow soldering machine with adjustable spacing according to the present invention.

[0013] Figure 2 This is a partial structural diagram of a conveying device for a reflow soldering machine with adjustable spacing according to the present invention.

[0014] Figure 3 This utility model Figure 1 Enlarged view of point A;

[0015] Figure 4 This utility model Figure 2 Enlarged view of point B;

[0016] Reference table for attached figures:

[0017] 1. Base plate; 2. Support column; 3. Frame; 4. Conveyor belt; 5. Support frame; 6. Threaded rod; 7. Knob; 8. Limit frame; 9. Bearing seat; 10. Rotating shaft; 11. Rubber roller; 12. Vertical plate one; 13. Vertical plate two; 14. Drive motor; 15. Bidirectional screw; 16. Threaded block; 17. Hinge seat one; 18. Lifting rod; 19. Hinge seat two; 20. Fixing plate; 21. Brush plate; 22. Fixing column; 23. Slide groove; 24. Slider; 25. Telescopic rod. Detailed Implementation

[0018] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings. Identical components are indicated by the same reference numerals. It should be noted that the terms "front," "rear," "left," "right," "up," and "down" used in the following description refer to directions in the accompanying drawings, while the terms "inner" and "outer" refer to directions toward or away from the geometric center of a specific component, respectively.

[0019] To make the content of this utility model easier to understand, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Identical components are indicated by the same reference numerals.

[0020] Depend on Figures 1 to 4As shown, a conveyor device for a reflow soldering machine with adjustable spacing includes a base plate 1. Support columns 2 are symmetrically fixedly connected around the base plate 1. A frame 3 is fixedly connected to the top of the support columns 2. A conveyor belt 4 is rotatably connected to the inner side of the frame 3. Support frames 5 are symmetrically connected to the top two sides of the base plate 1. A threaded rod 6 is threaded through the middle of the support frame 5. A knob 7 is fixedly connected to the end of the threaded rod 6 away from the conveyor belt 4. A limit frame 8 is rotatably connected to the end of the threaded rod 6 near the conveyor belt 4. A bearing seat 9 is fixedly connected to the inner side of the limit frame 8. A rotating shaft 10 is rotatably connected to the inner side of the bearing seat 9. Rubber rollers 11 are sleeved on the outer surface of the rotating shaft 10. Multiple rubber rollers 11 are linearly and uniformly distributed. The outer surface of shaft 10 is fixedly connected to the middle of rubber roller 11. By placing the workpiece that needs to be limited above conveyor belt 4, rotating the knobs 7 on both sides will drive the threaded rod 6 to rotate, thereby causing the limiting frames 8 on both sides to move closer to the workpiece to be processed. This will achieve the relative proximity of the two limiting frames 8 until the workpiece is placed between the two limiting frames 8 according to the width of the workpiece to achieve limitation. The spacing adjustment is convenient for reflow soldering. When the workpiece is conveyed, it will collide with the rubber roller 11. After the collision, the rubber roller 11 can drive the rotating shaft 10 to rotate in the bearing seat 9, thereby limiting the workpiece and preventing deviation. At the same time, the rubber layer wrapped around the outside of the rubber roller 11 will not damage the workpiece.

[0021] A base plate 1 has two upright plates 12 and 13 symmetrically connected to one side of its top. A drive motor 14 is fixedly connected to the outer wall of upright plate 12. The output end of the drive motor 14 passes through upright plate 12 and is fixedly connected to a bidirectional screw 15. The end of the bidirectional screw 15 away from the output end of the drive motor 14 is rotatably connected to the inner wall of upright plate 13. Threaded blocks 16 are threaded to both sides of the bidirectional screw 15. A hinge seat 17 is fixedly connected to the top of the threaded block 16. A lifting rod 18 is hinged to the hinge seat 17. A hinge seat 19 is hinged to the end away from the hinge seat 17. A fixed plate 20 is fixedly connected to the bottom of the hinge seat 19, and a brush plate 21 is fixedly connected to the top of the fixed plate 20. The drive motor 14 is started, which drives the bidirectional screw 15 to rotate, which in turn drives the threaded block 16 to move. The height of the brush plate 21 is adjusted by the lifting rod 18 until it contacts the conveyor belt 4. When the conveyor belt 4 moves, the bristles of the brush plate 21 will clean different positions on its surface, thereby achieving the purpose of cleaning the conveyor belt 4.

[0022] A fixed post 22 is fixedly connected to one side of the top of the base plate 1. A groove 23 is provided on the fixed post 22. A slider 24 is slidably connected in the groove 23. The end of the slider 24 away from the groove 23 is fixedly connected to the outer wall of the brush plate 21. The slider 24 is slidably connected to the groove 23 to ensure the stability of the brush plate 21 when it moves up and down.

[0023] A telescopic rod 25 is symmetrically connected to one side of the inner wall of the support frame 5. One end of the telescopic rod 25 is fixedly connected to the outer wall of the limiting frame 8. By setting the telescopic rod 25, the stability of the limiting frame 8 when it moves is ensured.

[0024] The threads on both sides of the bidirectional screw 15 have opposite directions, ensuring that the threaded blocks 16 on both sides move towards each other or relative to each other simultaneously.

[0025] The above are merely preferred embodiments of this utility model patent and are not intended to limit this utility model patent. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model patent should be included within the protection scope of this utility model patent.

Claims

1. A conveyor device for a reflow soldering machine with adjustable spacing, comprising a base plate (1), characterized in that, The base plate (1) is symmetrically fixedly connected with support columns (2) around its perimeter. A frame (3) is fixedly connected to the top of the support columns (2). A conveyor belt (4) is rotatably connected to the inner side of the frame (3). Support frames (5) are symmetrically connected to the top two sides of the base plate (1). A threaded rod (6) is threaded through the middle of the support frame (5). A knob (7) is fixedly connected to the end of the threaded rod (6) away from the conveyor belt (4). A limit frame (8) is rotatably connected to the end of the threaded rod (6) near the conveyor belt (4). A bearing seat (9) is fixedly connected to the inner side of the limit frame (8). A rotating shaft (10) is rotatably connected to the inner side of the bearing seat (9). A rubber roller (11) is sleeved on the outer surface of the rotating shaft (10). A first upright plate (12) and a second upright plate (13) are symmetrically connected to one side of the top of the base plate (1). A drive motor (14) is fixedly connected to the outer wall of the first upright plate (12). The output end of the drive motor (14) passes through the first upright plate. (12) and a bidirectional screw (15) is fixedly connected thereto. The end of the bidirectional screw (15) away from the output end of the drive motor (14) is rotatably connected to the inner wall of the second vertical plate (13). Both sides of the bidirectional screw (15) are threadedly connected to threaded blocks (16). The top of the threaded block (16) is fixedly connected to a hinge seat (17). A lifting rod (18) is hinged on the hinge seat (17). The end of the lifting rod (18) away from the hinge seat (17) is hinged to a A hinge seat 2 (19) is fixedly connected to a fixing plate (20) at its bottom. A brush plate (21) is fixedly connected to the top of the fixing plate (20). A fixing post (22) is fixedly connected to one side of the top of the base plate (1). A sliding groove (23) is provided on the fixing post (22). A slider (24) is slidably connected in the sliding groove (23). The end of the slider (24) away from the sliding groove (23) is fixedly connected to the outer wall of the brush plate (21).

2. The adjustable-pitch conveying device for a reflow soldering machine according to claim 1, characterized in that, The outer surface of the rotating shaft (10) is fixedly connected to the middle of the rubber roller (11).

3. The adjustable-pitch conveying device for a reflow soldering machine according to claim 1, characterized in that, The inner wall of the support frame (5) is symmetrically connected with a telescopic rod (25), and one end of the telescopic rod (25) is fixedly connected to the outer wall of the limiting frame (8).

4. The adjustable-pitch conveying device for a reflow soldering machine according to claim 1, characterized in that, There are multiple rubber rollers (11), and the rubber rollers (11) are linearly and uniformly distributed.

5. The adjustable-pitch conveying device for a reflow soldering machine according to claim 1, characterized in that, The threads on both sides of the bidirectional screw (15) have opposite directions.

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