Tin climbing automatic detection equipment

Abstract

The utility model discloses automatic tin climbing detection equipment which comprises a control box and a tin climbing working table, a thermal insulation bearing plate is fixedly installed at the top end of the tin climbing working table, and a workpiece bearing table, a reagent bearing box, a tin climbing holding furnace and a tin melting furnace are sequentially installed on the upper surface of the thermal insulation bearing plate. And two supporting frames are symmetrically mounted at the top end of the tin climbing workbench, mounting side plates are fixedly mounted at the top ends of the supporting frames, and a transverse moving transmission block is arranged between the two mounting side plates. Components are clamped through the workpiece clamping plate, chip pins are prevented from being polluted, meanwhile, the control box controls movement of the whole device, tin liquid in the tin climbing heat preservation furnace can be kept at a relatively appropriate temperature, meanwhile, the immersion time and the immersion depth of the chip pins in reagents and the tin liquid can be accurately controlled, and the chip pins are prevented from being damaged. The tin climbing quality can be conveniently controlled, a worker does not need to directly face the high-temperature environment of the tin melting furnace, and the whole device is more convenient and safer to use.

Description

Technical Field

[0001] The utility model relates to the technical field of tin creeping equipment, in particular to automatic tin creeping detection equipment. Background Art

[0002] In electronic manufacturing, soldering is one of the key steps to fix components to printed circuit boards. In order to ensure the reliability of soldering, the soldering materials and their interaction with the substrate need to be tested. With the miniaturization and high density of electronic products, the requirements for soldering quality and solderability are getting higher and higher. The quality of soldering directly affects the reliability and service life of electronic products. Poor soldering may cause open circuits, short circuits or other electrical failures, which in turn affect the performance of the final product.

[0003] Therefore, before components are soldered on the circuit, the pins of the components need to be tinned, that is, a proper amount of tin liquid should be applied to the pins of the components. The current tinning test mainly relies on manual operation. During the test, the surface of the semiconductor chip pins is easily contaminated; the immersion time, immersion depth and angle of the test sample currently rely on manual timers and visual judgment; when manually clamping the sample, the operator needs to face the high temperature environment of the tin melting furnace. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes automatic tin creep detection equipment.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] The automatic tin climbing detection equipment comprises: a control box and a tin climbing workbench, a temperature-insulating bearing plate is fixedly installed on the top of the tin climbing workbench, a workpiece bearing platform, a reagent bearing box, a tin climbing insulation furnace and a tin melting furnace are installed in sequence on the upper surface of the temperature-insulating bearing plate, and two support frames are symmetrically installed on the top of the tin climbing workbench, a mounting side plate is fixedly installed on the top of the support frame, a transverse transmission block is arranged between the two mounting side plates, a lifting cylinder is arranged on the front of the transverse transmission block, a protective connecting plate is installed on the bottom end of the lifting cylinder, a fixture mounting frame is arranged on the lower surface of the protective connecting plate, a bidirectional threaded rod is rotatably installed on the lower part of the inner cavity of the fixture mounting frame, and two workpiece clamps are symmetrically installed on the outer wall of the bidirectional threaded rod.

[0007] As a further solution of the utility model: two sliding guide rods 2 are fixedly installed on the upper part of the inner cavity of the clamp mounting frame, the sliding guide rods 2 pass through the workpiece clamping plate, and a clamp motor is arranged at one end of the bidirectional threaded rod.

[0008] As a further solution of the utility model: a stabilizing frame cylinder is fixedly installed at the bottom of the telescopic end of the lifting air cylinder, and the bottom end of the stabilizing frame cylinder is fixedly connected with a protective connecting plate.

[0009] As a further solution of the utility model: an installation connecting column is fixedly installed in the middle of one side of the lower surface of the protective connecting plate, and stabilizing inclined rods are fixedly installed at both ends of the other side. The bottom ends of the stabilizing inclined rods and the installation connecting column are both fixedly connected with a fixture installation frame.

[0010] As a further solution of the utility model: a transmission lead screw is installed in the internal thread of the transverse movement transmission block. Both ends of the transmission lead screw are rotatably connected with installation side plates, and a main control motor is installed at one end.

[0011] As a further solution of the utility model: a plurality of sliding guide rods I are fixedly installed between the two installation side plates, and a fixed installation frame is fixedly connected to the front surface of the transverse movement transmission block.

[0012] As a further solution of the utility model: a bearing box body is fixedly installed at the bottom end of the solder climbing workbench, and the control box is fixedly installed inside the bearing box body.

[0013] As a further solution of the utility model: a heat preservation pipe I is fixedly connected to the bottom end of the tin melting furnace. One end of the heat preservation pipe I is fixedly installed with a heat preservation pipe II, and the heat preservation pipe II is fixedly connected with the solder climbing heat preservation furnace.

[0014] Compared with the prior art, the utility model provides a solder climbing automatic detection device, which has the following beneficial effects:

[0015] The solder climbing automatic detection device clamps components through a workpiece clamping plate, avoiding contamination of the chip pins. At the same time, the control box controls the movement of the whole device, which can not only keep the tin liquid in the solder climbing heat preservation furnace at a relatively appropriate temperature, but also accurately control the immersion time and immersion depth of the chip pins in the reagent and tin liquid, facilitating the control of the solder climbing quality. There is no need for manual operation directly facing the high-temperature environment of the tin melting furnace, and the whole device is more convenient and safe to use.

[0016] Parts not involved in the device are the same as or can be implemented by the prior art. The utility model has a simple structure and is convenient to operate. Description of the Drawings

[0017] Figure 1 Schematic three-dimensional structure of the overall assembly of the utility model Figure 1 ;

[0018] Figure 2 Schematic three-dimensional structure of the overall assembly of the utility model Figure 2 ;

[0019] Figure 3 For the present utility model Figure 2 a schematic enlarged structure view of part A;

[0020] Figure 4 a three-dimensional structure schematic view of the overall assembly of the present utility model Figure 3 .

[0021] In the figure: 1, control box; 2, load-bearing box body; 3, protective baffle; 4, soldering climbing workbench; 5, heat-insulating load-bearing plate; 6, workpiece load-bearing table; 7, reagent load-bearing box; 8, soldering climbing heat-insulating furnace; 9, support column; 10, tin melting furnace; 11, support frame; 12, installation side plate; 13, transverse moving transmission block; 14, sliding guide rod 1; 15, transmission lead screw; 16, fixed installation frame; 17, lifting air cylinder; 18, main control motor; 19, stable frame cylinder; 20, protective connecting plate; 21, installation connecting column; 22, fixture installation frame; 23, stable inclined rod; 24, sliding guide rod 2; 25, bidirectional threaded rod; 26, fixture motor; 27, workpiece clamping plate; 28, load-bearing mesh plate; 29, heat-insulating pipe 1; 30, heat-insulating pipe 2. Specific embodiments

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments.

[0023] The soldering climbing automatic detection device, as Figures 1 to 4 shown, includes: a control box 1 and a soldering climbing workbench 4. A load-bearing box body 2 is fixedly installed at the bottom end of the soldering climbing workbench 4, and the control box 1 is fixedly installed inside the load-bearing box body 2. The control box 1 is used to control the operation of the overall device.

[0024] A protective baffle 3 is arranged on the front surface of the soldering climbing workbench 4. The protective baffle 3 is fixed to the load-bearing box body 2 to reduce the influence of the work on the soldering climbing workbench 4 on the control box 1; a heat-insulating load-bearing plate 5 is fixedly installed on one side of the top end of the soldering climbing workbench 4 close to the protective baffle 3.

[0025] A workpiece load-bearing table 6, a reagent load-bearing box 7, a soldering climbing heat-insulating furnace 8 and a tin melting furnace 10 are sequentially installed on the upper surface of the heat-insulating load-bearing plate 5. A plurality of support columns 9 are fixedly installed at equal intervals at the bottom end of the tin melting furnace 10, and the support columns 9 are fixedly connected to the heat-insulating load-bearing plate 5; as Figure 1 shown, two reagent load-bearing boxes 7 are provided for carrying different reagents.

[0026] The bottom end of the tin melting furnace 10 is fixedly connected with a first heat preservation pipe 29. One end of the first heat preservation pipe 29 is fixedly installed with a second heat preservation pipe 30. The second heat preservation pipe 30 is fixedly connected with the tin climbing heat preservation furnace 8. And a bearing mesh plate 28 is fixedly installed at the lower part of the inner cavity of the tin melting furnace 10; The bearing mesh plate 28 is used for bearing tin blocks. The tin melting furnace 10 melts the tin blocks into tin liquid. The tin liquid flows into the tin climbing heat preservation furnace 8 through the first heat preservation pipe 29 and the second heat preservation pipe 30. The workpiece climbs tin inside the tin climbing heat preservation furnace 8.

[0027] Two support frames 11 are symmetrically installed at the top end of the tin climbing workbench 4. The top ends of the support frames 11 are fixedly installed with installation side plates 12. A transverse movement transmission block 13 is arranged between the two installation side plates 12. The front of the transverse movement transmission block 13 is fixedly connected with a fixed installation frame 16. An elevating cylinder 17 is fixedly installed inside the fixed installation frame 16.

[0028] A transmission lead screw 15 is installed inside the transverse movement transmission block 13 in a threaded manner. Both ends of the transmission lead screw 15 penetrate through the installation side plates 12 and are rotatably connected with the installation side plates 12. And one end of the transmission lead screw 15 is installed with a main control motor 18. The main control motor 18 is controlled by the control box 1. The position of the transverse movement transmission block 13 is adjusted through the transmission lead screw 15.

[0029] A plurality of first sliding guide rods 14 are fixedly installed between the two installation side plates 12. The first sliding guide rods 14 penetrate through the transverse movement transmission block 13. And the transverse movement transmission block 13 is slidably connected with the first sliding guide rods 14. The first sliding guide rods 14 are used to keep the transverse movement transmission block 13 stable.

[0030] A stable frame cylinder 19 is fixedly installed at the bottom of the telescopic end of the elevating cylinder 17. The bottom end of the stable frame cylinder 19 is fixedly connected with a protective connection plate 20. A mounting connection column 21 is fixedly installed in the middle of one side of the lower surface of the protective connection plate 20. Stable inclined rods 23 are fixedly installed at both ends of the other side. The bottom ends of the stable inclined rods 23 and the mounting connection column 21 are fixedly connected with a fixture mounting frame 22. The fixture mounting frame 22 is arranged directly above the heat insulation bearing plate 5.

[0031] A bidirectional threaded rod 25 is rotatably installed at the lower part of the inner cavity of the fixture mounting frame 22. Two workpiece clamping plates 27 for clamping workpieces are symmetrically installed on the outer wall of the bidirectional threaded rod 25. One end of the bidirectional threaded rod 25 penetrates through the fixture mounting frame 22 and extends outward. A fixture motor 26 is installed at its extended end. The fixture motor 26 makes the two workpiece clamping plates 27 approach or move away from each other through the bidirectional threaded rod 25; Two second sliding guide rods 24 are fixedly installed at the upper part of the inner cavity of the fixture mounting frame 22. The second sliding guide rods 24 penetrate through the workpiece clamping plates 27 to facilitate maintaining the stability of the workpiece clamping plates 27.

[0032] Working principle:

[0033] Please refer to Figures 1 to 4 to assemble this device as shown in the figure;

[0034] When this device is in use, first, the main control motor 18 is controlled through the control box 1. The main control motor 18 controls the movement of the cross-movement transmission block 13 through the transmission lead screw 15. The cross-movement transmission block 13 drives the fixture mounting bracket 22 to move, so that the fixture mounting bracket 22 moves to directly above the workpiece bearing table 6. The lifting cylinder 17 controls the fixture mounting bracket 22 to descend until the workpiece clamping plates 27 are on both sides of the workpiece. Then, the fixture motor 26 is started. The fixture motor 26 controls the two workpiece clamping plates 27 to move closer to each other through the bidirectional threaded rod 25, and then clamps the workpiece. The lifting cylinder 17 contracts, and the workpiece clamping plates 27 drive the workpiece to rise synchronously. The main control motor 18 controls the fixture mounting bracket 22 to move to directly above the reagent holding box 7 through the transmission lead screw 15. The lifting cylinder 17 extends, so that the workpiece is immersed in the reagent. Then, the lifting cylinder 17 contracts, and the transmission lead screw 15 moves the fixture mounting bracket 22 to above the soldering and heat preservation furnace 8 again. The lifting cylinder 17 extends again, and the workpiece undergoes soldering treatment. After the soldering treatment is completed, the workpiece is transferred to the workpiece bearing table 6 again, and the soldering treatment of one workpiece is completed.

[0035] The above is only the preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent substitutions or changes, and should be covered within the protection scope of the present invention.

Claims

1. Automatic tin climbing detection device, characterized in that, Including: A control box (1) and a soldering climbing workbench (4). A heat insulation bearing plate (5) is fixedly installed at the top of the soldering climbing workbench (4). A workpiece bearing table (6), a reagent bearing box (7), a soldering climbing insulation furnace (8) and a molten tin furnace (10) are sequentially installed on the upper surface of the heat insulation bearing plate (5). And two support frames (11) are symmetrically installed at the top of the soldering climbing workbench (4). An installation side plate (12) is fixedly installed at the top of the support frame (11). A transverse movement transmission block (13) is arranged between the two installation side plates (12). A lifting cylinder (17) is arranged on the front surface of the transverse movement transmission block (13). A protective connecting plate (20) is installed at the bottom end of the lifting cylinder (17). A clamp installation frame (22) is arranged on the lower surface of the protective connecting plate (20). A bidirectional threaded rod (25) is rotatably installed in the lower part of the inner cavity of the clamp installation frame (22). Two workpiece clamping plates (27) are symmetrically installed on the outer wall of the bidirectional threaded rod (25).

2. The automatic solder climbing detection device according to claim 1, characterized in that: Two sliding guide rods II (24) are fixedly installed in the upper part of the inner cavity of the clamp installation frame (22). The sliding guide rods II (24) penetrate through the workpiece clamping plates (27). And a clamp motor (26) is arranged at one end of the bidirectional threaded rod (25).

3. The automatic solder climbing detection device according to claim 1, wherein: A stable frame cylinder (19) is fixedly installed at the bottom of the telescopic end of the lifting cylinder (17). The bottom end of the stable frame cylinder (19) is fixedly connected with the protective connecting plate (20).

4. The automatic solder climbing detection device according to claim 1, characterized in that: An installation connecting column (21) is fixedly installed in the middle of one side of the lower surface of the protective connecting plate (20). Stable inclined rods (23) are fixedly installed at both ends of the other side. The bottom ends of the stable inclined rods (23) and the installation connecting column (21) are fixedly connected with the clamp installation frame (22).

5. The automatic solder climbing detection device according to claim 1, characterized in that: A transmission lead screw (15) is threadedly installed inside the transverse movement transmission block (13). Both ends of the transmission lead screw (15) are rotatably connected with the installation side plates (12). And a main control motor (18) is installed at one end.

6. The automatic solder climbing detection device according to claim 1, characterized in that: A plurality of sliding guide rods I (14) are fixedly installed between the two installation side plates (12). A fixed installation frame (16) is fixedly connected to the front surface of the transverse movement transmission block (13).

7. The automatic solder climbing detection device according to claim 1, wherein: A bearing box body (2) is fixedly installed at the bottom end of the soldering climbing workbench (4). The control box (1) is fixedly installed inside the bearing box body (2).

8. The automatic solder climbing detection device according to claim 1, characterized in that: A heat preservation pipe I (29) is fixedly connected to the bottom end of the molten tin furnace (10). One end of the heat preservation pipe I (29) is fixedly installed with a heat preservation pipe II (30). The heat preservation pipe II (30) is fixedly connected with the soldering climbing insulation furnace (8).

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