Chip resistor welding device

Abstract

The utility model discloses a chip resistor welding device which comprises a welding table, the middle end of the top of the outer surface of the welding table is fixedly connected with a positioning frame, the upper end of the right side of the outer surface of the welding table is fixedly provided with a driving motor, the output end of the driving motor is fixedly provided with a screw rod, and the right end of the screw rod is in threaded connection with a movable plate. The upper end of the left side of the moving plate is fixedly connected with a spring. Through the arrangement of the welding table and the positioning frame, a circuit board required by chip resistor welding can be supported, the left side of the circuit board can be effectively limited, and through the arrangement of the driving motor, the screw rod, the movable plate, the spring and the clamping plate, the effect of clamping and fixing the circuit board is achieved; and meanwhile, through the arrangement of an air blower, a purification box, an air inlet disc, an air filter screen and an activated carbon filter screen, pollution caused by smoke diffusion to the surrounding working environment is effectively reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of resistance welding, in particular to a chip resistor welding device. Background Art

[0002] Chip resistors, also known as business card-type fixed resistors, are a type of metal glass glaze resistor. They are made by mixing metal powder and glass glaze powder and printing them on a substrate using screen printing. They are resistant to moisture and high temperatures, have a small temperature coefficient, and can greatly save circuit space costs and make the design more refined. When installing and welding chip resistors, you first need to use a clamp to fix the circuit board, then use a soldering iron to tin the circuit board, then place the chip resistor in the desired position and use a soldering iron to melt the tin point to connect it to the outer wall of the chip resistor to complete the welding of the chip resistor.

[0003] For example, a Chinese utility model provides "a chip resistor welding device", announcement number: CN219358216U, which includes a base plate; a connecting component is provided on the base plate, and the connecting component includes a mounting plate, the mounting plate is mounted on the base plate, a rotatable rotating rod is inserted inside the mounting plate, a fixedly connected limiting column is provided at the bottom end of the rotating rod, and limiting strips are inlaid on both sides of the outside of the limiting column. The chip resistor welding device provided by the utility model does not require the circuit board to be re-fixed to adjust the position of the circuit board. The whole process is very convenient and quick, and the required welding part of the circuit board can be smoothly rotated to a more comfortable position, making the welding operation of the later staff more comfortable and convenient.

[0004] Although the chip resistor welding device in the above technology is convenient for personnel to fix the circuit board during the welding process, it is impossible to effectively deal with the smoke generated by the heat between the solder and the solder paste during the chip resistor welding process, resulting in the smoke spreading to the surrounding working environment, which can easily cause air pollution and have an adverse effect on the health of the staff, thereby failing to meet the personnel's usage needs. Utility Model Content

[0005] The utility model aims to provide a chip resistor welding device, which has the advantages of being convenient for quickly fixing a circuit board during the chip resistor welding process and being able to effectively purify the smoke generated during the welding process, thereby reducing environmental pollution.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a chip resistor welding device, comprising a welding table, a positioning frame is fixedly connected to the middle end of the top of the outer surface of the welding table, a driving motor is fixedly installed on the upper end of the right side of the outer surface of the welding table, a screw is fixedly installed on the output end of the driving motor, a moving plate is threadedly connected to the right end of the screw, a spring is fixedly connected to the upper end of the left side of the moving plate, a clamping plate is fixedly connected to the left side of the spring, a first bevel gear is fixedly installed on the left side of the screw, and the left end of the top of the outer surface of the welding table is fixedly connected to the left end of the screw. A purification box is fixedly connected, a blower is fixedly installed at the middle end of the top of the purification box, an air inlet plate is fixedly connected to the lower end of the right side of the purification box through a pipeline, an activated carbon filter is fixedly installed at the upper end of the inner cavity of the purification box, an air filter is fixedly installed at the middle end of the inner cavity of the purification box, a rotating shaft is movably connected to the middle end of the bottom of the purification box through a bearing, a second bevel gear is fixedly installed at the lower end of the rotating shaft, the second bevel gear is meshed with the first bevel gear, a brush is fixedly installed on the top of the rotating shaft, and the top of the brush is movably connected to the bottom of the air filter.

[0007] As a preferred solution, a rubber ring is fixedly connected to the middle end of the bottom of the purification box, and the surface of the rotating shaft is movably connected to the surface of the rubber ring.

[0008] As a preferred solution, a horizontal plate is fixedly connected to the upper end of the left side of the inner cavity of the welding table, the bottom of the rotating shaft is movably connected to the right end of the top of the horizontal plate through a bearing, and a vertical plate is fixedly connected to the left end of the top of the inner cavity of the welding table, and the lower end of the vertical plate is movably connected to the left end of the screw through a bearing.

[0009] As a preferred solution, a containing box is fixedly connected to the top of the outer surface of the welding platform and located behind the positioning frame, and an electric soldering iron is placed at the right end of the inner cavity of the containing box.

[0010] As a preferred solution, the right end of the top of the welding table is fixedly connected to a guide slide rod, the middle end of the movable plate is movably connected to the surface of the guide slide rod, the two ends of the right side of the clamping plate are fixedly connected to the guide rod, and the surface of the guide rod is movably connected to the upper end of the movable plate.

[0011] As a preferred solution, a fixing rod is fixedly connected to the right end of the top of the outer surface of the purification box, and the right end of the fixing rod is fixedly connected to the top of the air intake disk.

[0012] As a preferred solution, the front surface of the welding table is movably connected to an inspection door via a hinge, and the lower end of the front surface of the purification box is movably connected to a cleaning door via a hinge.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. The utility model can support the circuit board required for the chip resistor welding and effectively limit the left side of the circuit board through the arrangement of the welding table and the positioning frame. The arrangement of the driving motor, the screw, the movable plate, the spring and the clamping plate achieves the effect of clamping and fixing the circuit board, so that the personnel can subsequently carry out the welding work of the chip resistor. At the same time, through the arrangement of the blower, the purification box, the air intake plate, the air filter and the activated carbon filter, the pollution to the surrounding working environment caused by the diffusion of smoke is effectively reduced, and the harm to the personnel is reduced. Moreover, under the coordinated action of the driving motor, the screw, the first bevel gear, the second bevel gear, the rotating shaft and the brush, the effect of cleaning the bottom of the air filter is achieved, so that the air filter is prevented from being blocked, and the overall purification work is guaranteed to be carried out for a long time.

[0015] 2. The utility model improves the sealing of the contact between the rotating shaft and the purification box by setting the rubber ring, and achieves the purpose of stably supporting the rotating shaft and the screw by setting the horizontal plate and the vertical plate, thereby preventing the rotating shaft and the screw from tilting due to force. By setting the containing box, it is convenient to contain the materials and electric soldering irons required for welding so that personnel can take them easily. By setting the guide slide rod and the guide rod, it achieves the purpose of guiding the movable plate and the clamping plate, thereby preventing the movable plate and the clamping plate from tilting due to force during the movement. By setting the fixing rod, it achieves the purpose of supporting and fixing the air intake plate. By setting the inspection door and the cleaning door, it is convenient for personnel to maintain and clean the inside of the welding table and the purification box respectively. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional diagram of the utility model;

[0017] Figure 2 This is a schematic diagram of the local structure of the movable plate of the utility model;

[0018] Figure 3 This is a schematic diagram of the cross-sectional structure of the welding table of the utility model;

[0019] Figure 4 This is a schematic diagram of the cross-sectional structure of the purification box of the utility model.

[0020] In the figure: 1. welding table; 2. inspection door; 3. positioning frame; 4. cleaning door; 5. purification box; 6. blower; 7. fixing rod; 8. air intake plate; 9. storage box; 10. electric soldering iron; 11. clamping plate; 12. moving plate; 13. guide slide rod; 14. spring; 15. guide rod; 16. driving motor; 17. screw rod; 18. vertical plate; 19. first bevel gear; 20. horizontal plate; 21. second bevel gear; 22. rotating shaft; 23. rubber ring; 24. brush; 25. air filter; 26. activated carbon filter. 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 without creative work are within the scope of protection of the utility model.

[0022] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0023] Embodiment 1:

[0024] See also Figure 1-Figure 4 As shown, the utility model provides a chip resistor welding device, including a welding table 1, a positioning frame 3 is fixedly connected to the middle end of the top of the outer surface of the welding table 1, a driving motor 16 is fixedly installed on the upper end of the right side of the outer surface of the welding table 1, a screw 17 is fixedly installed on the output end of the driving motor 16, a moving plate 12 is threadedly connected to the right end of the screw 17, a spring 14 is fixedly connected to the upper end of the left side of the moving plate 12, a clamping plate 11 is fixedly connected to the left side of the spring 14, a first bevel gear 19 is fixedly installed on the left side of the screw 17, and a purification box is fixedly connected to the left end of the top of the outer surface of the welding table 1 5, a blower 6 is fixedly installed at the middle end of the top of the purification box 5, an air intake plate 8 is fixedly connected to the lower end of the right side of the purification box 5 through a pipeline, an activated carbon filter 26 is fixedly installed at the upper end of the inner cavity of the purification box 5, an air filter 25 is fixedly installed at the middle end of the inner cavity of the purification box 5, a rotating shaft 22 is movably connected to the middle end of the bottom of the purification box 5 through a bearing, a second bevel gear 21 is fixedly installed at the lower end of the rotating shaft 22, and the second bevel gear 21 is meshed with the first bevel gear 19, a brush 24 is fixedly installed on the top of the rotating shaft 22, and the top of the brush 24 is movably connected to the bottom of the air filter 25.

[0025] In the present technical scheme, by setting the welding table 1 and the positioning frame 3, the circuit board required for the chip resistor welding can be supported and the left side of the circuit board can be effectively limited. By setting the driving motor 16, the screw 17, the movable plate 12, the spring 14 and the clamping plate 11, the circuit board can be clamped and fixed, so that the personnel can perform the subsequent welding work of the chip resistor. At the same time, by setting the blower 6, the purification box 5, the air intake plate 8, the air filter 26 and the activated carbon filter 25, the smoke diffusion is effectively reduced to pollute the surrounding working environment and reduce the harm to personnel. Under the cooperation of the driving motor 16, the screw 17, the first bevel gear 19, the second bevel gear 21, the rotating shaft 22 and the brush 24, the bottom of the air filter 25 is cleaned to avoid the air filter 25 from being blocked, thereby ensuring that the overall purification work can be carried out for a long time.

[0026] Embodiment 2:

[0027] On the basis of embodiment 1, the utility model is as follows Figure 1-Figure 4 As shown, a rubber ring 23 is fixedly connected to the middle end of the bottom of the purification box 5, the surface of the rotating shaft 22 is movably connected to the surface of the rubber ring 23, the upper end of the left side of the inner cavity of the welding table 1 is fixedly connected to the cross plate 20, the bottom of the rotating shaft 22 is movably connected to the right end of the top of the cross plate 20 through a bearing, the left end of the top of the inner cavity of the welding table 1 is fixedly connected to the vertical plate 18, the lower end of the vertical plate 18 is movably connected to the left end of the screw 17 through a bearing, the top of the outer surface of the welding table 1 and located behind the positioning frame 3 is fixedly connected to the containing box 9, and the right end of the inner cavity of the containing box 9 is placed. Electric soldering iron 10, the right end of the top of the welding table 1 is fixedly connected with a guide slide bar 13, the middle end of the movable plate 12 is movably connected to the surface of the guide slide bar 13, the two ends of the right side of the clamping plate 11 are fixedly connected with guide rods 15, the surface of the guide rod 15 is movably connected to the upper end of the movable plate 12, the right end of the top of the outer surface of the purification box 5 is fixedly connected with a fixing rod 7, the right end of the fixing rod 7 is fixedly connected to the top of the air intake plate 8, the front surface of the welding table 1 is movably connected with an inspection door 2 through a hinge, and the lower end of the front surface of the purification box 5 is movably connected with a cleaning door 4 through a hinge.

[0028] In the present technical scheme, the sealing performance of the contact between the rotating shaft 22 and the purification box 5 is improved by the provision of the rubber ring 23. The provision of the horizontal plate 20 and the vertical plate 18 achieves the purpose of stably supporting the rotating shaft 22 and the screw 17, thereby preventing the rotating shaft 22 and the screw 17 from tilting due to force. The provision of the containing box 9 facilitates the placement of materials required for welding and the electric soldering iron 10 for easy access by personnel. The provision of the guide slide bar 13 and the guide rod 15 achieves the purpose of guiding the movable plate 12 and the clamping plate 11, thereby preventing the movable plate 12 and the clamping plate 11 from tilting due to force during movement. The provision of the fixing rod 7 achieves the purpose of supporting and fixing the air intake plate 8. The provision of the inspection door 2 and the cleaning door 4 facilitates personnel to maintain and clean the interior of the welding table 1 and the purification box 5, respectively.

[0029] The working principle of the utility model is as follows: through the arrangement of the welding table 1 and the positioning frame 3, the circuit board required for the chip resistor welding can be supported and the left side of the circuit board can be effectively limited, and by starting the driving motor 16, the screw 17 can be rotated, and the screw 17 can drive the movable plate 12, the spring 14 and the clamping plate 11 to move to the left while rotating, until the clamping plate 11 can be tightly attached to the right side of the circuit board, thereby achieving the effect of clamping and fixing the circuit board, so that personnel can perform subsequent welding of the chip resistor, and at the same time, by starting the blower 6, the smoke generated during the welding process can be extracted through the purification box 5 and the air intake disk 8, and through the arrangement of the air filter 26 and the activated carbon filter 25, the smoke and pollutants in the smoke flowing through the purification box 5 can be effectively filtered and purified respectively, thereby effectively reducing the expansion of smoke. The smoke and dust attached to the bottom of the air filter 25 can be effectively cleaned by the brush 24 under the action of rotation, thereby achieving the effect of cleaning the bottom of the air filter 25, avoiding clogging of the air filter 25, and ensuring that the overall purification work can be carried out for a long time.

[0030] Importantly, it should be noted that the construction and arrangement of the present application shown in a plurality of different exemplary embodiments are only exemplary. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and ratio of various elements, and parameter values ​​(e.g., temperature, pressure, etc.), installation arrangements, use of materials, color, directional changes, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in the application. For example, the element shown as integrally formed can be composed of multiple parts or elements, the position of the element can be inverted or otherwise changed, and the nature or number or position of the discrete element can be changed or changed. Therefore, all such modifications are intended to be included in the scope of the present utility model. The order or sequence of any process or method steps can be changed or reordered according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure of performing the function described herein, and is not only structurally equivalent but also equivalent structure. Without departing from the scope of the present invention, other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the present invention is not limited to a specific embodiment, but extends to various modifications that still fall within the scope of the appended claims.

[0031] Additionally, in order to provide a concise description of example embodiments, all features of an actual embodiment (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention) may not be described.

[0032] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the utility model.

Claims

1. A chip resistor welding device, comprising a welding station (1), characterized in that: A positioning frame (3) is fixedly connected to the middle end of the top of the outer surface of the welding platform (1), a driving motor (16) is fixedly installed on the upper end of the right side of the outer surface of the welding platform (1), a screw (17) is fixedly installed on the output end of the driving motor (16), the right end of the screw (17) is threadedly connected to the moving plate (12), the upper end of the left side of the moving plate (12) is fixedly connected to a spring (14), the left side of the spring (14) is fixedly connected to a clamping plate (11), the left side of the screw (17) is fixedly installed with a first bevel gear (19), the left end of the top of the outer surface of the welding platform (1) is fixedly connected to a purification box (5), and the middle end of the top of the purification box (5) is fixedly connected to the A blower (6) is installed, the lower end of the right side of the purification box (5) is fixedly connected to an air intake plate (8) through a pipeline, the upper end of the inner cavity of the purification box (5) is fixedly installed with an activated carbon filter (26), the middle end of the inner cavity of the purification box (5) is fixedly installed with an air filter (25), the middle end of the bottom of the purification box (5) is movably connected with a rotating shaft (22) through a bearing, the lower end of the rotating shaft (22) is fixedly installed with a second bevel gear (21), the second bevel gear (21) is meshed with the first bevel gear (19), the top of the rotating shaft (22) is fixedly installed with a brush (24), and the top of the brush (24) is movably connected to the bottom of the air filter (25).

2. A chip resistor welding device according to claim 1, characterized in that: A rubber ring (23) is fixedly connected to the middle end of the bottom of the purification box (5), and the surface of the rotating shaft (22) is movably connected to the surface of the rubber ring (23).

3. A chip resistor welding device according to claim 1, characterized in that: The upper end of the left side of the inner cavity of the welding platform (1) is fixedly connected to a horizontal plate (20), the bottom of the rotating shaft (22) is movably connected to the right end of the top of the horizontal plate (20) through a bearing, the left end of the top of the inner cavity of the welding platform (1) is fixedly connected to a vertical plate (18), and the lower end of the vertical plate (18) is movably connected to the left end of the screw rod (17) through a bearing.

4. A chip resistor welding device according to claim 1, characterized in that: A storage box (9) is fixedly connected to the top of the outer surface of the welding platform (1) and located behind the positioning frame (3), and an electric soldering iron (10) is placed at the right end of the inner cavity of the storage box (9).

5. The chip resistor welding device according to claim 1, characterized in that: The right end of the top of the welding table (1) is fixedly connected to a guide slide bar (13), the middle end of the movable plate (12) is movably connected to the surface of the guide slide bar (13), and both ends of the right side of the clamping plate (11) are fixedly connected to guide rods (15), and the surface of the guide rod (15) is movably connected to the upper end of the movable plate (12).

6. A chip resistor welding device according to claim 1, characterized in that: The right end of the top of the outer surface of the purification box (5) is fixedly connected to a fixing rod (7), and the right end of the fixing rod (7) is fixedly connected to the top of the air intake disk (8).

7. The chip resistor welding device according to claim 1, characterized in that: The front surface of the welding table (1) is movably connected to an inspection door (2) via a hinge, and the lower end of the front surface of the purification box (5) is movably connected to a cleaning door (4) via a hinge.

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