A temperature insulation structure for PCB component welding

Abstract

The utility model discloses a kind of temperature insulation structures for PCB board element welding, it is related to PCB board element welding technical field, including welding furnace, welding furnace top surface cover is equipped with temperature insulation cover, the peripheral side of the top surface of temperature insulation cover is equipped with buckle assembly corresponding with the peripheral side of temperature insulation cover bottom surface, the peripheral side of welding furnace outer wall is equipped with button for unlocking buckle assembly, rectangular lifting groove is opened in welding furnace middle part, mounting plate is movably arranged in rectangular lifting groove, the top surface of mounting plate is equipped with the guide groove that four corners are all opened to the center position orientation;The utility model is cooperated by temperature insulation cover and buckle assembly, it is convenient to install temperature insulation cover on welding furnace quickly and closely, improve the sealing performance of structure, and then can realize the function of reducing welding furnace heat loss;Finally solve the problem that temperature insulation cover sealing is poor in traditional PCB board element welding, heat energy is serious and escapes, and PCB board is difficult to be fixed quickly and accurately and the problem of uneven clamping force, reduce energy consumption, improve welding precision and yield.

Description

Technical Field

[0001] This utility model relates to the field of PCB board component welding technology, and in particular to a heat insulation structure for PCB board component welding. Background Technology

[0002] In traditional PCB component soldering processes, open or simple closed soldering furnaces are typically used. Existing heat insulation covers are usually simply placed on the equipment or hinged, resulting in poor sealing performance and significant heat loss. Furthermore, current fixing methods often rely on two clamping plates to hold the PCB, requiring manual adjustment of the clamping plate positions. This makes it difficult to quickly and accurately fix PCBs of different sizes, and the uneven clamping force can lead to displacement during soldering, affecting soldering accuracy and yield. Therefore, improvements are needed to address these issues. Utility Model Content

[0003] The purpose of this utility model is to address the shortcomings of existing technologies by proposing a heat insulation structure for soldering PCB components.

[0004] To achieve the above objectives, the present invention adopts the following technical solution: a heat insulation structure for PCB board component welding, including a welding furnace, the top surface of the welding furnace is covered with a heat insulation cover, the periphery of the top surface of the heat insulation cover and the periphery of the bottom surface of the heat insulation cover are respectively provided with buckle components, the periphery of the outer wall of the welding furnace is provided with a button for unlocking the buckle components, a rectangular lifting groove is opened in the middle of the welding furnace, an installation plate is movably arranged in the rectangular lifting groove, and the four corners of the top surface of the installation plate are provided with guide grooves facing the center position.

[0005] Preferably, each guide groove is equipped with a guide post, a first spring is sleeved on the guide post, a slider is sleeved on the guide post, one end of the first spring is fixedly connected to the slider, a screw is passed through the top surface of the slider, a knob is fixedly connected to the top end of the screw, and a pressure plate is rotatably sleeved at the bottom end of the screw.

[0006] Preferably, multiple hot air vents are symmetrically opened on both sides of the bottom surface of the rectangular lifting groove, a lead screw is rotatably installed at one end of the bottom surface of the rectangular lifting groove, guide rods are symmetrically provided on both sides of the lead screw, a guide rod is correspondingly installed at the other end of the bottom surface of the rectangular lifting groove, and protrusions that are sleeved on the guide rods and lead screws are provided at both ends of the mounting plate.

[0007] Preferably, the top surface of the welding furnace is provided with a groove, and the bottom surface of the heat insulation cover is provided with a convex ring corresponding to the shape of the groove.

[0008] Preferably, one end of the lead screw is coaxially fixed to a drive motor installed at the bottom of the welding furnace.

[0009] Preferably, the buckle assembly includes buckle grooves at the four corners of the top surface of the welding furnace, a second spring is provided at the bottom of the buckle groove, an abutment plate is fixedly connected to the top of the second spring, an installation groove is provided on one side of the middle of the inner wall of the buckle groove, a third spring is fixedly connected in the installation groove, a limiting block is fixedly connected to one end of the third spring, a rectangular through groove is provided on one side of the top surface of the limiting block, and the other end of the limiting block passes through the outer wall of the welding furnace and is fixedly connected to the button. The bottom four corners of the heat insulation cover are provided with buckle blocks corresponding to the buckle grooves.

[0010] Compared with the prior art, the beneficial effects of this utility model are as follows: This utility model, through the cooperation of the heat insulation cover and the snap-fit ​​assembly, facilitates the quick and tight installation of the heat insulation cover on the welding furnace, improving the sealing performance of the structure and thus reducing heat loss from the welding furnace. Furthermore, through the cooperation of the guide post, the first spring, the slider, the screw, the knob, and the pressure plate, it is easy to quickly adjust the position of the pressure plate and apply uniform clamping force according to the PCB board size, improving the accuracy and stability of PCB board fixing, and thus enabling stable clamping of PCB boards of different sizes. Ultimately, it solves the problems of poor sealing of the heat insulation cover, severe heat loss, and difficulty in quickly and accurately fixing the PCB board with uneven clamping force in traditional PCB component welding, reducing energy consumption and improving welding accuracy and yield. Attached Figure Description

[0011] The accompanying drawings, which are included to provide a further understanding of the present invention and form part of this application, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings:

[0012] Figure 1 This is a first-view schematic diagram of the overall structure proposed in this utility model;

[0013] Figure 2 This is a partial cross-sectional view of the buckle assembly proposed in this utility model;

[0014] Figure 3 This is a first-view schematic diagram of the overall structure of the welding furnace proposed in this utility model;

[0015] Figure 4 This is a first-view schematic diagram of a partial cross-sectional structure of the welding furnace proposed in this utility model.

[0016] Figure 5 The present utility model proposes Figure 2 Enlarged schematic diagram of the structure at the A mark.

[0017] The numbers in the diagram are: 1. Insulation cover; 2. Welding furnace; 3. Button; 4. Groove; 5. Locking block; 6. Slider; 7. Knob; 8. Pressure plate; 9. First spring; 10. Drive motor; 11. Mounting plate; 12. Lead screw; 13. Hot air vent; 14. Guide rod; 15. Limiting block; 16. Second spring; 17. Third spring. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0019] Example: See Figures 1-5This utility model discloses a heat insulation structure for PCB component soldering, including a soldering furnace 2. A heat insulation cover 1 is provided on the top surface of the soldering furnace 2. Clamping components are provided on the periphery of the top and bottom surfaces of the heat insulation cover 1. A button 3 for unlocking the clamping components is provided on the periphery of the outer wall of the soldering furnace 2. A rectangular lifting groove is provided in the center of the soldering furnace 2, and a mounting plate 11 is movably mounted within the rectangular lifting groove. Guide grooves facing the center are provided at the four corners of the top surface of the mounting plate 11. The heat insulation cover 1, in conjunction with the clamping components, achieves efficient sealing of the soldering furnace 2, reducing heat loss. The button 3 facilitates quick unlocking of the heat insulation cover 1, simplifying equipment maintenance. The rectangular lifting groove... The slot and mounting plate 11 provide a stable and adjustable platform for PCB board soldering; the soldering furnace 2 is made of stainless steel, model 304, which is resistant to high temperature and corrosion; the heat insulation cover 1 is made of aluminum silicate fiber, which has excellent heat insulation performance and can effectively reduce energy consumption; the guide slot provides an installation base for the subsequent PCB board fixing structure and improves the stability of the soldering process; each guide slot is equipped with a guide post, a first spring 9 is sleeved on the guide post, a slider 6 is sleeved on the guide post, one end of the first spring 9 is fixedly connected to the slider 6, a screw is passed through the top surface of the slider 6, a knob 7 is fixedly connected to the top of the screw, and a pressure plate 8 is rotatedly sleeved at the bottom of the screw; the first spring 9 is located at... In the retracted state, the slider 6 can initially clamp the PCB board. By rotating the knob 7 to drive the screw, the pressure plate 8 is lowered, achieving secondary fastening of the PCB board. This dual-action fixing method can quickly and accurately adapt to PCB boards of different sizes, and the clamping force is uniform, effectively preventing PCB board displacement during soldering, improving soldering accuracy and yield. The guide column is made of 45# steel, which has been quenched, resulting in high hardness and strong wear resistance. The slider 6, screw, knob 7, and pressure plate 8 are all made of aluminum alloy, which is lightweight and has sufficient strength to meet usage requirements. Multiple hot air vents 13 are symmetrically opened on both sides of the bottom surface of the rectangular lifting groove. A lead screw 12 is rotatably mounted at one end, and guide rods 14 are symmetrically arranged on both sides of the lead screw 12. A guide rod 14 is correspondingly installed at the other end of the bottom surface of the rectangular lifting groove. Both ends of the mounting plate 11 are provided with protrusions that fit onto the guide rods 14 and the lead screw 12. The hot air vents 13 are evenly distributed to form a stable heat field and ensure that the PCB board is heated evenly. The lead screw 12 rotates under the drive of the drive motor 10, and together with the guide rods 14, it realizes the smooth lifting and lowering of the mounting plate 11. It can accurately adjust the distance between the PCB board and the welding head, adapt to different welding process requirements, and improve welding efficiency and quality. The lead screw 12 is model T8-8, which has high transmission efficiency.

[0020] In this utility model, a groove 4 is provided on the periphery of the top surface of the welding furnace 2, and a corresponding protruding ring is provided on the periphery of the bottom surface of the heat insulation cover 1. The groove 4 and the protruding ring cooperate with each other to form a sealing structure, further enhancing the sealing between the heat insulation cover 1 and the welding furnace 2, reducing heat leakage, and also playing a positioning role, making the installation of the heat insulation cover 1 more convenient and accurate. One end of the lead screw 12 is coaxially fixed to a drive motor 10 installed at the bottom of the inside of the welding furnace 2. The drive motor 10 provides power to the lead screw 12, which can precisely control the lifting speed and position of the mounting plate 11, realizing automatic adjustment. Compared with the traditional manual adjustment method, it is more efficient and more accurate, reduces the labor intensity of operators, and improves the stability of the welding process. The drive motor 10 is model 42BYGH40-1704A, which has high torque and high precision characteristics. The buckle assembly includes buckle slots opened at the four corners of the top surface of the welding furnace 2, and the buckle... A second spring 16 is provided at the bottom of the slot, and an abutment plate is fixedly connected to the top of the second spring 16. An installation slot is opened on one side of the middle of the inner wall of the snap-fit ​​slot, and a third spring 17 is fixedly connected in the installation slot. A limit block 15 is fixedly connected to one end of the third spring 17. A rectangular through slot is opened on one side of the top surface of the limit block 15. The other end of the limit block 15 passes through the outer wall of the welding furnace 2 and is fixedly connected to the button 3. There are corresponding snap-fit ​​blocks 5 at the four corners of the bottom surface of the heat insulation cover 1. When the snap-fit ​​block 5 is inserted into the snap-fit ​​slot, the second spring 16 pushes the abutment plate to allow the snap-fit ​​block 5 to enter smoothly and buffer. The third spring 17 pushes the limit block 15 to be snapped into the groove of the snap-fit ​​block 5, so as to achieve a firm lock on the heat insulation cover 1. Pressing the button 3 can drive the limit block 15 to retract and quickly unlock the heat insulation cover 1. This structure is easy to disassemble and assemble, reliable to lock, and convenient for daily maintenance and repair of the equipment. The second spring 16 and the third spring 17 are both made of 65Mn spring steel, which has good elasticity and long service life.

[0021] Working Principle: When using this invention, first open the heat insulation cover 1, place the PCB board on the mounting plate 11 and insert it between the four sliders 6. At this time, the first spring 9 is in a contracted state, which will pull the sliders 6 towards the center, so that the sliders 6 initially lock the PCB board to achieve pre-fixation. Then, the operator turns the knob 7 to drive the screw to rotate. Since the screw is threadedly connected to the sliders 6, the rotation of the screw is converted into downward linear motion, thereby driving the pressure plate 8 to gradually descend. As the pressure plate 8 descends, it comes into close contact with the upper surface of the PCB board and applies pressure. Combined with the clamping force of the sliders 6, the PCB board is firmly fixed on the mounting plate 11. After the PCB board is fixed, place the heat insulation cover 1 on the soldering furnace 2. The locking block 5 on the bottom surface of the heat insulation cover 1 is aligned with the locking slot on the top surface of the soldering furnace 2 and inserted. The second spring 16 pushes the abutment plate upward, so that the locking block 5 smoothly enters the locking slot. The retaining block 15, under the action of the third spring 17, engages with the groove of the retaining block 5, thus securing the heat insulation cover 1 to the welding furnace 2. The convex ring on the bottom surface of the heat insulation cover 1 is embedded in the groove 4 on the top surface of the welding furnace 2, further enhancing the sealing effect. During the welding process, the drive motor 10 drives the lead screw 12 to rotate. The lead screw 12 engages with the protrusions at both ends of the mounting plate 11, causing the mounting plate 11 to move up and down along the guide rod 14, precisely adjusting the distance between the PCB board and the welding head. Hot air blows out from the hot air vent 13 on the bottom surface of the rectangular lifting groove to heat the PCB board, ensuring smooth welding. After welding, pressing the button 3 causes the retaining block 15 to retract, releasing the lock on the heat insulation cover 1 and removing it. Rotating the knob 7 in the opposite direction causes the pressure plate 8 to rise, and the first spring 9 causes the slider 6 to reset, allowing the PCB board to be removed. Thus, the device is complete.

[0022] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A heat insulation structure for soldering PCB components, comprising a soldering furnace (2), characterized in that: The welding furnace (2) is covered with a heat insulation cover (1) on its top surface. The heat insulation cover (1) is provided with a buckle assembly on the periphery of its top surface and the periphery of its bottom surface. The welding furnace (2) is provided with a button (3) on the periphery of its outer wall for unlocking the buckle assembly. A rectangular lifting groove is provided in the middle of the welding furnace (2). An installation plate (11) is movably provided in the rectangular lifting groove. A guide groove is provided at each of the four corners of the top surface of the installation plate (11) and faces the center.

2. The thermal insulation structure for PCB component soldering according to claim 1, characterized in that: Each guide groove is equipped with a guide post, a first spring (9) is sleeved on the guide post, and a slider (6) is sleeved on the guide post. One end of the first spring (9) is fixedly connected to the slider (6). A screw is passed through the top surface of the slider (6). A knob (7) is fixedly connected to the top of the screw. A pressure plate (8) is rotatably sleeved at the bottom of the screw.

3. The thermal insulation structure for PCB component soldering according to claim 2, characterized in that: Multiple hot air vents (13) are symmetrically opened on both sides of the bottom surface of the rectangular lifting groove. A screw rod (12) is rotatably installed at one end of the bottom surface of the rectangular lifting groove. Guide rods (14) are symmetrically arranged on both sides of the screw rod (12). A guide rod (14) is correspondingly installed at the other end of the bottom surface of the rectangular lifting groove. Protrusions that are sleeved on the guide rod (14) and the screw rod (12) are provided at both ends of the mounting plate (11).

4. The thermal insulation structure for PCB component soldering according to claim 3, characterized in that: The welding furnace (2) has a groove (4) on the top surface and a convex ring corresponding to the shape of the groove (4) on the bottom surface.

5. The thermal insulation structure for PCB component soldering according to claim 4, characterized in that: One end of the lead screw (12) is coaxially fixed to a drive motor (10) installed at the bottom of the inside of the welding furnace (2).

6. The thermal insulation structure for PCB component soldering according to claim 5, characterized in that: The buckle assembly includes buckle slots at the four corners of the top surface of the welding furnace (2). A second spring (16) is provided at the bottom of the buckle slot. An abutment plate is fixedly connected to the top of the second spring (16). An installation slot is provided on one side of the middle of the inner wall of the buckle slot. A third spring (17) is fixedly connected in the installation slot. A limiting block (15) is fixedly connected to one end of the third spring (17). A rectangular through slot is provided on one side of the top surface of the limiting block (15). The other end of the limiting block (15) passes through the outer wall of the welding furnace (2) and is fixedly connected to the button (3). A buckle block (5) corresponding to the buckle slot is provided at each of the four corners of the bottom surface of the heat insulation cover (1).

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