A columnar resistor and its manufacturing process

Abstract

The present invention relates to the field of electronic component processing technology, and relates to a columnar resistor and a production process thereof. The resistor of the present invention adopts a columnar structural design, which is different from the common flat sheet structure, fills the gap in the market, and meets the use requirements of specific customers; the two end surfaces of the resistor with a columnar structure are electroplated to avoid soldering operations, so that it can be directly installed and clamped in the circuit for use, and can be reused to avoid soldering and other circuit contamination; compared with the common method of machining and manufacturing cylinders, the cylindrical structure formed by processing the resistor body material greatly saves materials, improves efficiency, and reduces costs.

Description

Technical Field

[0001] The present invention relates to the technical field of electronic component processing, and relates to a columnar resistor and its production process. Background Art

[0002] Currently, existing alloy resistors are generally in the form of sheet-like surface-mounted or plug-in types. When installed and used, the electrodes of the product are flatly attached or inserted onto the PCB board with solder. Due to the solder installation, it cannot be disassembled and reused after use; at the same time, the shape of the product is flat, which cannot meet the requirements of the appearance of some special products. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to provide a columnar resistor and its production process that adopts a columnar structure design, is different from the common flat sheet structure, greatly saves materials, improves efficiency, and reduces costs.

[0004] To solve the above technical problems, the technical solution adopted by the present invention to solve its technical problems is:

[0005] A production process of a columnar resistor, comprising the following steps:

[0006] Processing the resistor sheet material to obtain the resistor body material, processing the resistor body material to form a cylindrical structure, processing the electrode sheet material to obtain the electrode material, the shape of the electrode material being the same as the cross-sectional shape of the cylindrical resistor body material, connecting the electrode material to both sides of the cylindrical resistor body material to form a columnar resistor, and performing an insulation protection treatment on the outside of the columnar resistor;

[0007] Performing a coating treatment on the electrode material before connecting the electrode material to the resistor body material or after forming the resistor.

[0008] Further, placing the resistor sheet material between two electrode sheet materials, and processing and bonding the upper and lower electrode sheet materials and the middle resistor sheet material together by pressing or welding to form a resistor plate material, and processing the resistor plate material by stamping or machining to obtain a columnar resistor.

[0009] Further, processing the resistor body material to form a cylindrical structure, including:

[0010] Performing a rounding process on the resistor body material, and connecting both ends thereof so that the resistor body material forms a hollow cylindrical structure.

[0011] Further, after processing the electrode sheet material to obtain the electrode material, it includes:

[0012] The electrode material is electroplated, and the electroplated electrode material is connected to both sides of the resistor body in a hollow cylindrical structure by welding or riveting to obtain a resistor in a hollow cylindrical structure.

[0013] Furthermore, the electrode sheets on both sides are welded to the resistor sheets to form a spliced strip, the spliced strip is stamped to obtain the unfolded shape of the resistor in a cylindrical structure, the resistor body material in the unfolded shape is wound into a cylindrical structure, and the motor material in the unfolded shape is connected to the resistor body material to form a resistor in a cylindrical structure.

[0014] Furthermore, the resistor body material in the unfolded shape is wound into a circular shape, and both ends of it are connected so that the resistor body material forms a hollow cylindrical structure. The electrode material in the unfolded shape is bent and placed on both sides of the resistor body material in the hollow cylindrical structure, and the two are connected by welding or riveting to obtain a resistor in a hollow cylindrical structure.

[0015] Furthermore, after obtaining the resistor in a cylindrical structure, an insulation protection treatment is performed on the outer side of the resistor body material, and then the electrode material on both end faces of the resistor is electroplated.

[0016] Furthermore, connecting the electrode material to both sides of the resistor body material in a cylindrical structure to form a resistor in a cylindrical structure, including:

[0017] Connecting the two electrode materials to the resistor body material in an overlapping, partially overlapping or non-overlapping manner.

[0018] The present invention also includes a cylindrical resistor, including:

[0019] A resistor body material, the resistor body material is in a cylindrical structure, and an insulation protection layer is provided on the outer side of the cylindrical structure;

[0020] Electrode material, provided at both ends of the resistor body material in the cylindrical structure, and a coating layer is provided on the electrode material.

[0021] Furthermore, the cylindrical structure is a solid structure or a hollow structure; the electrode material is connected to the resistor body material in an overlapping, partially overlapping or non-overlapping manner.

[0022] Advantages of the present invention:

[0023] The resistor of the present invention adopts a cylindrical structure design, which is different from the common flat sheet structure, filling the gap in the market and meeting the usage requirements of specific customers; electroplating the two end faces of the cylindrical resistor can eliminate the soldering operation, enabling it to be directly installed and clamped in the circuit for use, and can be reused, avoiding circuit contamination caused by soldering; when processing the resistor body material to form a cylindrical structure, compared with the common machining method of manufacturing a cylinder, it greatly saves materials, improves efficiency, and reduces costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 is a cylindrical resistor of the present invention.

[0025] Figure 2 is the processing flow chart of Embodiment 1 of the present invention.

[0026] Figure 3 is the processing flow chart of Embodiment 2 of the present invention.

[0027] Figure 4 is the processing flow chart of Embodiment 3 of the present invention.

[0028] Explanation of the reference numerals in the drawings: 1. Resistor body material; 2. Electrode material; 3. Insulating protective layer; 4. Coating layer; 5. Splicing strip; 6. Unfolded shape; 7. Resistor sheet. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0029] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, so that those skilled in the art can better understand the present invention and be able to implement it, but the embodiments cited are not intended to limit the present invention.

[0030] Referring to Figure 1 shown, a production process of a cylindrical resistor includes the following steps:

[0031] Processing the resistor sheet to obtain the resistor body material, processing the resistor body material to form a cylindrical structure, processing the electrode sheet to obtain the electrode material, the shape of the electrode material being the same as the cross-sectional shape of the cylindrical resistor body material, connecting the electrode material to both sides of the cylindrical resistor body material to form a cylindrical resistor, and performing an insulating protection treatment on the outside of the cylindrical resistor.

[0032] Performing a coating treatment on the electrode material before connecting the electrode material to the resistor body material or after forming the resistor.

[0033] Further, placing the resistor sheet between two electrode sheets, and processing and combining the upper and lower electrode sheets with the middle resistor sheet by pressing or welding to form a resistor sheet, and processing the resistor sheet by stamping or machining to obtain a cylindrical resistor.

[0034] Further, the resistor body material is processed to form a cylindrical structure, including:

[0035] The resistor body material is rolled into a circular shape, and both ends thereof are connected so that the resistor body material forms a hollow cylindrical structure.

[0036] Specifically, adopting the circular rolling process of the plate material, compared with the common machining method for manufacturing a cylinder, it greatly saves materials, improves efficiency, and reduces costs.

[0037] Further, after the electrode sheet material is processed to obtain the electrode material, it includes:

[0038] The electrode material is electroplated, and the electroplated electrode material is connected to both sides of the resistor body of the hollow cylindrical structure by welding or riveting to obtain a resistor with a hollow cylindrical structure.

[0039] Further, the electrode sheet materials on both sides are welded to the resistor sheet material to form a spliced strip material, the spliced strip material is stamped to obtain the unfolded shape of the resistor with a cylindrical structure, the resistor body material of the unfolded shape is rolled into a cylindrical structure, and the motor material of the unfolded shape is connected to the resistor body material to form a resistor with a cylindrical structure.

[0040] Further, the resistor body material of the unfolded shape is rolled into a circular shape, and both ends thereof are connected so that the resistor body material forms a hollow cylindrical structure. The electrode material of the unfolded shape is bent and placed on both sides of the resistor body material of the hollow cylindrical structure, and the two are connected by welding or riveting to obtain a resistor with a hollow cylindrical structure.

[0041] Specifically, the resistor body material forms a hollow cylindrical structure. Adopting the circular rolling process of the plate material, compared with the common machining method for manufacturing a cylinder, it greatly saves materials, improves efficiency, and reduces costs.

[0042] Further, after obtaining the resistor with a columnar structure, an insulation protection treatment is performed on the outer side of the resistor body material, and then the electrode material on both end faces of the resistor is electroplated.

[0043] Further, connecting the electrode material to both sides of the resistor body material of the cylindrical structure to form a resistor with a cylindrical structure, including:

[0044] The two electrode materials are connected to the resistor body material in an overlapping, partially overlapping or non - overlapping manner, but maintaining electrical conduction to improve the stability of the resistance value.

[0045] Example 1

[0046] The resistive sheet material is processed to obtain a resistive body material. The resistive body material is subjected to a curling process, and its two ends are connected so that the resistive body material forms a hollow cylindrical structure. By using the curling process of the sheet material, compared with the common machining method for manufacturing a cylinder, it greatly saves materials, improves efficiency, and reduces costs. The electrode sheet material is processed to obtain an electrode material. The shape of the electrode material is the same as the cross-sectional shape of the cylindrical resistive body material. The electrode material is subjected to electroplating treatment, and pre-electroplating treatment is carried out on the electrode material to effectively enhance the oxidation resistance of the electrode material. The electroplated electrode material is connected to both sides of the hollow cylindrical resistive body by welding or riveting to obtain a resistor with a hollow cylindrical structure. The two electrode materials are connected to the resistive body material in an overlapping, partially overlapping, or non-overlapping manner. An insulation protection treatment is performed on the outer side of the cylindrical resistive body material to complete the processing of the columnar resistor.

[0047] Example 2

[0048] The electrode sheet materials on both sides are welded to the resistive sheet material to form a spliced strip material. The spliced strip material is stamped to obtain the unfolded shape of the resistor with a columnar structure. Among them, the resistive sheet material in the unfolded shape is processed to obtain a resistive body material, and the electrode sheet material in the unfolded shape is processed to obtain an electrode material. The shape of the electrode material is the same as the cross-sectional shape of the cylindrical resistive body material;

[0049] The resistive body material in the unfolded shape is subjected to a curling process. By using the curling process of the sheet material, compared with the common machining method for manufacturing a cylinder, it greatly saves materials, improves efficiency, and reduces costs. Its two ends are connected so that the resistive body material forms a hollow cylindrical structure. The electrode material in the unfolded shape is bent and placed on both sides of the hollow cylindrical resistive body material. The two are connected by welding or riveting to obtain a resistor with a hollow cylindrical structure. The two electrode materials are connected to the resistive body material in an overlapping, partially overlapping, or non-overlapping manner. An insulation protection treatment is performed on the outer side of the cylindrical resistive body material. Electroplating treatment is carried out on the electrode materials on the two end faces of the resistor to complete the processing of the columnar resistor.

[0050] Example 3

[0051] The resistive sheet material is placed between the two electrode sheet materials, and the upper and lower layer electrode sheet materials and the middle resistive sheet material are processed by pressing or welding to be combined together to form a resistive sheet material. The resistive sheet material is processed by stamping or machining to produce a resistor with a solid columnar structure. The two electrode materials are connected to the resistive body material in a non-overlapping manner;

[0052] Among them, a resistor sheet material is processed to obtain a resistor body material, and an electrode sheet material is processed to obtain an electrode material. The shape of the electrode material is the same as the cross-sectional shape of the tubular resistor body material. An insulation protection treatment is performed on the outer side of the resistor body material of the resistor, and electroplating treatment is performed on the electrode materials on both end faces of the resistor to complete the processing of the columnar resistor.

[0053] The present invention also includes a columnar resistor, comprising:

[0054] A resistor body material, the resistor body material having a tubular structure, and an insulation protection layer provided on the outer side of the tubular structure;

[0055] An electrode material, provided at both ends of the tubular resistor body material, and a coating layer provided on the electrode material.

[0056] Further, the tubular structure is a solid structure or a hollow structure; the electrode materials are connected to the resistor body material in an overlapping, partially overlapping or non-overlapping manner.

[0057] The tubular cross-section is a circular or polygonal structure.

[0058] Existing columnar resistors require a substrate for support, which easily causes gaps between the end electrodes and the resistor layer, resulting in poor contact between the electrodes and the resistor and an inability to provide a stable resistance value.

[0059] The resistor of the present invention adopts a columnar structure design, which is different from the common flat sheet structure, fills the gap in the market, and meets the usage requirements of specific customers; electroplating treatment is performed on both end faces of the columnar resistor, which can eliminate the need for soldering operations, so that it can be directly installed and clamped in the circuit for use, can be reused, and avoids polluting the circuit with soldering, etc.; compared with the common machining method of manufacturing a cylinder by processing the resistor body material into a tubular structure, it greatly saves materials, improves efficiency, and reduces costs.

[0060] The above-described embodiments are only preferred embodiments given to fully illustrate the present invention, and the protection scope of the present invention is not limited thereto. Equivalent substitutions or transformations made by those skilled in the art on the basis of the present invention are all within the protection scope of the present invention. The protection scope of the present invention is subject to the claims.

Claims

1. A production process of a columnar resistor, characterized in that, it includes the following steps: Processing the resistor sheet material to obtain the resistor body material, processing the resistor body material to form a cylindrical structure, processing the electrode sheet material to obtain the electrode material, the shape of the electrode material being the same as the cross-sectional shape of the cylindrical resistor body material, connecting the electrode material to both sides of the cylindrical resistor body material by welding or riveting to form a resistor with a hollow cylindrical structure, connecting the two electrode materials to the resistor body material in a non-overlapping manner, and performing an insulation protection treatment on the outside of the resistor with a cylindrical structure; Performing a coating treatment on the electrode material before connecting the electrode material to the resistor body material or after forming the resistor.

2. The production process of a columnar resistor according to claim 1, characterized in that, processing the resistor body material to form a cylindrical structure includes: Performing a rounding process on the resistor body material and connecting its two ends so that the resistor body material forms a hollow cylindrical structure.

3. The production process of a columnar resistor according to claim 2, characterized in that, after processing the electrode sheet material to obtain the electrode material, it includes: Performing an electroplating treatment on the electrode material, and connecting the electrode material after the electroplating treatment to both sides of the hollow cylindrical resistor body by welding or riveting to obtain a resistor with a hollow cylindrical structure.

4. The production process of a columnar resistor according to claim 1, characterized in that, after obtaining the resistor with a cylindrical structure, performing an insulation protection treatment on the outside of the resistor body material, and then performing an electroplating treatment on the electrode materials on both end faces of the resistor.

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