Width-adjustable tray for wave-soldering production line

Abstract

The width-adjustable tray for the wave-soldering production line comprises a first tray assembly and a second tray assembly, guide columns are arranged at the two ends of the first tray assembly respectively, guide holes matched with the guide columns are formed in the two ends of the second tray assembly respectively, and the guide columns are connected into the guide holes in a sliding mode; the second tray assembly is provided with a locking mechanism used for locking the guide column. A first positioning groove is formed in the first tray assembly, and a second positioning groove is formed in the second tray assembly; two ends of the circuit board are respectively placed on the first positioning groove and the second positioning groove; the first positioning groove is provided with a first pressing part used for fixing one end of the circuit board, and the second positioning groove is internally provided with a second pressing part used for positioning the other end of the circuit board. According to the utility model, the width can be adjusted, the device can be suitable for circuit boards with different widths, and the applicability and the production efficiency of a wave soldering production line are greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of wave soldering, in particular to an adjustable width tray used in a wave soldering production line. Background Art

[0002] Wave soldering is a soldering technology used in mass production of circuit boards. This technology is mainly used to solder electronic components to circuit boards by contacting the bottom of the circuit board with a wave of molten liquid solder to form an electrical connection.

[0003] Among them, when the wave soldering production line is actually operating, it is necessary to first insert the electronic components into the circuit board (PCB board), and then place the circuit board on a special tray. The tray will move with the assembly line and pass over the solder tank. The solder tank is filled with molten solder, and crests are formed on the surface of the solder. When the tray passes, the crests will contact the lower surface of the circuit board, so that the molten solder sticks to the various solder joints on the lower surface of the circuit board. After the circuit board passes through the solder tank, the solder stuck to the solder joints cools and solidifies, thereby soldering the electronic components to the circuit board.

[0004] The existing pallets used in wave soldering production lines have the following problems: the width of the pallet cannot be adjusted, and one pallet can only be used to place circuit boards of a specific width, and cannot be used for circuit boards of multiple widths, and has poor applicability. Summary of the invention

[0005] The utility model aims to solve the deficiencies in the prior art and provide an adjustable width tray for a wave soldering production line.

[0006] The purpose of the utility model is achieved through the following technical solutions: an adjustable width tray for a wave soldering production line, comprising a first tray assembly and a second tray assembly, wherein guide posts are respectively arranged at both ends of the first tray assembly, guide holes are respectively arranged at both ends of the second tray assembly to match the guide posts, and the guide posts are slidably connected to the guide holes; a locking mechanism for locking the guide posts is provided on the second tray assembly;

[0007] A first positioning groove is provided on the first tray assembly, and a second positioning groove is provided on the second tray assembly; the two ends of the circuit board are respectively placed on the first positioning groove and the second positioning groove; the first positioning groove is provided with a first clamping component for fixing one end of the circuit board, and the second positioning groove is provided with a second clamping component for positioning the other end of the circuit board.

[0008] In the utility model, the first tray assembly and the second tray assembly are both in a "U"-shaped structure, and the first tray assembly and the second tray assembly can slide relative to each other, so as to adjust the overall width of the tray. When in use, the locking mechanism first loosens the guide column, and then adjusts the overall width of the tray by relative movement between the first tray assembly and the second tray assembly, so that the overall width of the tray is adapted to the width of the circuit board. After the width adjustment of the tray is completed, the locking mechanism locks the guide column to keep the first tray assembly and the second tray assembly relatively fixed; after the electronic components are inserted into the circuit board, the circuit board is placed on the tray, and the two ends of the circuit board are respectively placed in the first positioning groove and the second positioning groove, and the two ends of the circuit board are pressed and fixed by the first clamping component and the second clamping component, and then the tray carrying the circuit board is placed on the assembly line, and the tray moves with the assembly line to realize the welding of the circuit board. The width of the utility model is adjustable, and it can be applied to circuit boards of different widths, which greatly improves the applicability and production efficiency of the wave soldering production line.

[0009] Preferably, the locking mechanism includes a wedge-shaped groove arranged on one side of the guide hole, a wedge block is connected to the wedge groove, and one side of the wedge block is in contact with the guide column; a first screw hole is provided at one end of the wedge groove, and a second screw hole is provided at the other end of the wedge groove, a first top screw is connected to the first screw hole, and a second top screw is connected to the second screw hole, and the wedge block is located between the first top screw and the second top screw.

[0010] Preferably, the cross-sections of the wedge block and the wedge-shaped groove are both right-angled trapezoids.

[0011] Preferably, the first pressing component and the second pressing component both include a fixing column and an elastic pressing sheet, one end of the elastic pressing sheet is connected to the fixing column, and the other end of the elastic pressing sheet is a free end.

[0012] Preferably, the elastic pressing sheet is made of spring steel.

[0013] Preferably, a sleeve is provided on the first tray assembly, and a guide rod matched with the sleeve is provided on the second tray assembly, and the guide rod and the sleeve are slidably matched.

[0014] The beneficial effect of the utility model is that the width of the utility model is adjustable, and it can be suitable for circuit boards with different widths, thereby greatly improving the applicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model.

[0016] Figure 2 It is a schematic diagram of the first tray assembly being separated from the second tray assembly.

[0017] Figure 3It is a schematic structural diagram of the first pressing component.

[0018] Figure 4 It is a top view of the utility model.

[0019] Figure 5 for Figure 4 Cross-sectional view along the AA direction.

[0020] In the figure: 1, first tray assembly, 2, second tray assembly, 3, first positioning groove, 4, second positioning groove, 5, guide column, 6, guide hole, 7, sleeve, 8, guide rod, 9, first clamping part, 10, second clamping part, 11, first top screw, 12, limit plate, 13, fixing column, 14, elastic pressing sheet, 15, wedge groove, 16, wedge block, 17, first screw hole, 18, second screw hole, 19, second top screw. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field belong to the scope of protection of the utility model.

[0022] like Figures 1 to 5 As shown, an adjustable width pallet for a wave soldering production line includes a first pallet assembly 1 and a second pallet assembly 2. Guide columns 5 are respectively provided at both ends of the first pallet assembly 1, and guide holes 6 matching the guide columns 5 are respectively provided at both ends of the second pallet assembly 2, and the guide columns 5 are slidably connected in the guide holes 6; a locking mechanism for locking the guide columns 5 is provided on the second pallet assembly 2; a first positioning groove 3 is provided on the first pallet assembly 1, and a second positioning groove 4 is provided on the second pallet assembly 2; both ends of the circuit board are respectively placed on the first positioning groove 3 and the second positioning groove 4; a first clamping component 9 for fixing one end of the circuit board is provided on the first positioning groove 3, and a second clamping component 10 for positioning the other end of the circuit board is provided in the second positioning groove 4.

[0023] In the utility model, the first tray assembly 1 and the second tray assembly 2 are both in a "U"-shaped structure, and the first tray assembly 1 and the second tray assembly 2 can slide relative to each other, so as to adjust the overall width of the tray. When in use, first loosen the guide column 5 by the locking mechanism, and then adjust the overall width of the tray by the relative movement between the first tray assembly 1 and the second tray assembly 2, so that the overall width of the tray is adapted to the width of the circuit board. After the width of the tray is adjusted, the locking mechanism locks the guide column 5 to keep the first tray assembly 1 and the second tray assembly 2 relatively fixed; after the electronic components are inserted into the circuit board, the circuit board is placed on the tray, and the two ends of the circuit board are respectively placed in the first positioning groove 3 and the second positioning groove 4, and the two ends of the circuit board are pressed and fixed by the first clamping part 9 and the second clamping part 10, and then the tray carrying the circuit board is placed on the assembly line, and the tray moves with the assembly line to realize the welding of the circuit board. The width of the utility model is adjustable, and it can be applied to circuit boards of different widths, which greatly improves the applicability and production efficiency of the wave soldering production line.

[0024] The locking mechanism includes a wedge-shaped groove 15 arranged on one side of the guide hole 6, a wedge block 16 is connected to the wedge-shaped groove 15, and one side of the wedge block 16 contacts the guide column 5; a first screw hole 17 is arranged at one end of the wedge-shaped groove 15, and a second screw hole 18 is arranged at the other end of the wedge-shaped groove 15, a first top screw 11 is connected to the first screw hole 17, and a second top screw 19 is connected to the second screw hole 18, and the wedge block 16 is located between the first top screw 11 and the second top screw 19. In this embodiment, the cross-sections of the wedge block 16 and the wedge-shaped groove 15 are both right-angled trapezoids.

[0025] Among them, the first top screw 11 is close to the end of the wedge block 16 with a larger width, and the second top screw 19 is close to the end of the wedge block 16 with a smaller width; when the first top screw 11 moves toward the direction of the wedge block 16 and presses against the movement of the wedge block 16, the wedge block 16 moves toward the end of the wedge groove 15 with a smaller diameter, and the wedge block 16 wedges the guide column 5, thereby achieving locking between the first pallet assembly 1 and the second pallet assembly 2, so that the two cannot move relative to each other; when the second top screw 19 moves toward the direction of the wedge block 16 and presses against the movement of the wedge block 16, the wedge block 16 moves toward the end of the wedge groove 15 with a larger diameter, and the wedge block 16 loosens the guide column 5, thereby allowing the first pallet assembly 1 and the second pallet assembly 2 to move relative to each other, thereby achieving adjustment of the pallet width.

[0026] It is worth mentioning that a limiting plate 12 is fixedly provided on one side of the wedge-shaped groove 15 , and the limiting plate 12 is used to limit the wedge block 16 to prevent the wedge block 16 from escaping from the wedge-shaped groove 15 .

[0027] The first pressing part 9 and the second pressing part 10 both include a fixing column 13 and an elastic pressing piece 14, one end of the elastic pressing piece 14 is connected to the fixing column 13, and the other end of the elastic pressing piece 14 is a free end. The fixing column 13 of the first pressing part 9 is fixedly arranged on the bottom of the first positioning groove 3, and the fixing column 13 of the second pressing part 10 is fixedly arranged on the bottom of the second positioning groove 4. When the circuit board is fixed, the elastic pressing piece 14 is pressed on the circuit board, and the circuit board is pressed by the elastic pressing piece 14, so that the circuit board can be stably placed on the tray.

[0028] In this embodiment, the elastic pressing piece 14 is made of spring steel.

[0029] Furthermore, a sleeve 7 is provided on the first tray assembly 1, and a guide rod 8 matched with the sleeve 7 is provided on the second tray assembly 2, and the guide rod 8 is slidably matched with the sleeve 7. The sleeve 7 is arranged at the middle position of the first tray assembly 1, and the guide rod 8 is arranged at the middle position of the second tray assembly 2.

[0030] The present utility model is not limited to the above-mentioned optimal implementation mode. Anyone can derive other various forms of products under the inspiration of the present utility model. However, no matter what changes are made in the shape or structure, all those having the same or similar technical solutions as the present application fall within the protection scope of the present utility model.

Claims

1. Adjustable width pallet for wave soldering production line, characterized by: The utility model comprises a first tray assembly and a second tray assembly, wherein guide posts are respectively arranged at both ends of the first tray assembly, guide holes are respectively arranged at both ends of the second tray assembly to match the guide posts, and the guide posts are slidably connected in the guide holes; and a locking mechanism for locking the guide posts is arranged on the second tray assembly; A first positioning groove is provided on the first tray assembly, and a second positioning groove is provided on the second tray assembly; the two ends of the circuit board are respectively placed on the first positioning groove and the second positioning groove; the first positioning groove is provided with a first clamping component for fixing one end of the circuit board, and the second positioning groove is provided with a second clamping component for positioning the other end of the circuit board.

2. The adjustable width tray for a wave soldering production line according to claim 1, characterized in that: The locking mechanism includes a wedge-shaped groove arranged on one side of the guide hole, a wedge block is connected to the wedge groove, and one side of the wedge block is in contact with the guide column; a first screw hole is provided at one end of the wedge groove, and a second screw hole is provided at the other end of the wedge groove, a first top screw is connected to the first screw hole, and a second top screw is connected to the second screw hole, and the wedge block is located between the first top screw and the second top screw.

3. The adjustable width tray for a wave soldering production line according to claim 2, characterized in that: The cross sections of the wedge block and the wedge-shaped groove are both right-angled trapezoids.

4. The adjustable width tray for a wave soldering production line according to any one of claims 1 to 3, characterized in that: The first pressing component and the second pressing component both include a fixing column and an elastic pressing sheet, one end of the elastic pressing sheet is connected to the fixing column, and the other end of the elastic pressing sheet is a free end.

5. The adjustable width tray for a wave soldering production line according to claim 4, characterized in that: The elastic pressing sheet is made of spring steel.

6. The adjustable width tray for a wave soldering production line according to claim 1, characterized in that: The first tray assembly is provided with a sleeve, and the second tray assembly is provided with a guide rod matched with the sleeve, and the guide rod and the sleeve are slidably matched.

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