Process for forming washer gasket through multi-station cold header by using disc wire rod

Abstract

The invention discloses a process for forming a washer gasket by a multi-station cold header through a disc wire rod. The process comprises the steps of material cutting, rod molding, pre-forming, pre-forming, forming, embossing and punching. By means of the technology, product forming is rapid and accurate, the technology is a production method integrating high speed, automation and normalization, the production efficiency and the material utilization rate are improved, the labor intensity of workers is relieved, the strength, hardness, precision and appearance quality of products are improved, cost is greatly reduced, and the technology is suitable for large-scale popularization and application. And meanwhile, good operation safety and social environmental protection property are achieved. The method for forming the washer gasket through the disc wire rod is efficient and high in precision, continuous production is achieved through the multi-station cold heading machine, material waste is reduced, and product consistency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of washer gasket processing, and in particular to a process for forming washer gaskets by using disc wires through a multi-station cold heading machine. Background Art

[0002] Washer is a part widely used in mechanical assembly, mainly used to disperse load, reduce friction and prevent loosening.

[0003] Washer, also known as washer or disc washer, has a spring-like cushioning effect and is usually used to pad parts between connectors and nuts. It is used as a spacer to protect the surface of the connected parts from being scratched by the nuts, disperse the pressure of the nuts on the connected parts, and reduce the separation caused by vibration. The existing technology of the production process of the washers is usually single-station stamping or turning, which has problems such as low efficiency, poor precision, and large material waste. Therefore, it is urgent to design a process for forming washers with disc wire by a multi-station cold heading machine to solve the above problems. Summary of the invention

[0004] The object of the present invention is to provide a process for forming a washer gasket using a disc wire by a multi-station cold heading machine, so as to solve the above-mentioned deficiencies in the prior art.

[0005] In order to achieve the above object, the present invention provides the following technical solutions: The process of forming a washer gasket using a disc wire by a multi-station cold heading machine includes the following steps: S1 cutting, feeding the disc wire into the first station of the multi-station cold heading machine through the feeding device, cutting the wire to form wire segments of predetermined length; The length L of the wire segment is determined according to the outer diameter D and thickness T of the washer, and the calculation formula is: L = π × D × k × T Among them, k is the correction coefficient, and its value range is 0.95-1.05; L is the length of the wire cut, in millimeters (mm); D. The outer diameter of the washer, in millimeters (mm); T: The thickness of the washer, in millimeters (mm); k correction factor, used to adjust the wire length to suit different process requirements and material properties; S2 plastic rod, to straighten the wire after cutting; S3 preforming 1, the wire section after plastic rod is transported to the second station, and is initially formed through cold heading process to form the blank of the washer gasket; S4 preforming 2, conveying the blank to the third station for shape trimming to form the basic shape of the washer gasket; S5 forming, the basically formed washer gasket is transported to the fourth station for surface treatment and size refinement; S6 embossing, conveying the formed washer gasket to the fifth station for embossing; S7 punching, transporting the patterned washer to the sixth station for punching; S8 packaging: the finished washers are output through the discharging device and then quality tested and packaged.

[0006] Preferably, the disc wire is made of carbon steel, stainless steel or copper alloy.

[0007] Preferably, the multi-station cold heading machine has 6 stations, and each station is equipped with an independent mold and drive device.

[0008] Preferably, the pressure range of the cold heading process is 50-200 tons, and the specific pressure is adjusted according to the size and material of the washer gasket.

[0009] Preferably, the punching process uses a cold heading machine with a punching speed of 60-90 times per minute.

[0010] Preferably, the quality inspection includes size inspection, hardness inspection and surface defect inspection.

[0011] Preferably, the discharging device is equipped with an automatic sorting mechanism, which can automatically separate qualified products from unqualified products according to the detection results.

[0012] Preferably, the feeding device is driven by a servo motor, and the feeding accuracy is ±0.1 mm.

[0013] In the above technical scheme, the present invention provides a process for forming washer gaskets using disc wire by a multi-station cold heading machine. The purpose of the present invention is to provide an efficient and high-precision method for forming washer gaskets using disc wire. Continuous production is achieved through a multi-station cold heading machine, reducing material waste and improving product consistency. This process enables products to be formed quickly and accurately. It is a production method that integrates high speed, automation and standardization. It not only improves production efficiency and material utilization, but also reduces the labor intensity of workers, and further improves the strength, hardness, precision and appearance quality of the product, greatly reducing costs, while having good operational safety and social environmental protection. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0015] Figure 1 The present invention provides a schematic diagram of the process structure of forming a washer gasket using a disc wire by a multi-station cold heading machine. DETAILED DESCRIPTION

[0016] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0017] like Figure 1 As shown, the process for forming a washer gasket using a disc wire by a multi-station cold heading machine provided by an embodiment of the present invention includes the following steps: S1 cutting, feeding the disc wire into the first station of the multi-station cold heading machine through the feeding device, cutting the wire to form wire segments of predetermined length; The length L of the wire segment is determined according to the outer diameter D and thickness T of the washer, and the calculation formula is: L = π × D × k × T Among them, k is the correction coefficient, and its value range is 0.95-1.05; L is the length of the wire cut, in millimeters (mm); D. The outer diameter of the washer, in millimeters (mm); T: The thickness of the washer, in millimeters (mm); k correction factor, used to adjust the wire length to suit different process requirements and material properties; S2 plastic rod, to straighten the wire after cutting; S3 preforming 1, the wire section after plastic rod is transported to the second station, and is initially formed through cold heading process to form the blank of the washer gasket; S4 preforming 2, conveying the blank to the third station for shape trimming to form the basic shape of the washer gasket; S5 forming, the basically formed washer gasket is transported to the fourth station for surface treatment and size refinement; S6 embossing, conveying the formed washer gasket to the fifth station for embossing; S7 punching, transporting the patterned washer to the sixth station for punching; S8 packaging: the finished washers are output through the discharging device and then quality tested and packaged.

[0018] Preferably, the multi-station cold heading machine has 6 stations, and each station is equipped with an independent mold and drive device.

[0019] Preferably, the pressure range of the cold heading process is 50-200 tons, and the specific pressure is adjusted according to the size and material of the washer gasket.

[0020] Preferably, the punching process uses a cold heading machine with a punching speed of 60-90 times per minute.

[0021] Preferably, the quality inspection includes size inspection, hardness inspection and surface defect inspection.

[0022] Preferably, the discharging device is equipped with an automatic sorting mechanism, which can automatically separate qualified products from unqualified products according to the test results.

[0023] Preferably, the feeding device is driven by a servo motor, and the feeding accuracy is ±0.1 mm. Example 1

[0024] The process of forming a washer gasket using a disc wire by a multi-station cold heading machine includes the following steps: S1 cutting, feeding the disc wire into the first station of the multi-station cold heading machine through the feeding device, cutting the wire to form wire segments of predetermined length; S2 plastic rod, to straighten the wire after cutting; S3 preforming 1, the wire section after plastic rod is transported to the second station, and is initially formed through cold heading process to form the blank of the washer gasket; S4 preforming 2, conveying the blank to the third station for shape trimming to form the basic shape of the washer gasket; S5 forming, the basically formed washer gasket is transported to the fourth station for surface treatment and size refinement; S6 embossing, conveying the formed washer gasket to the fifth station for embossing; S7 punching, transporting the patterned washer to the sixth station for punching; S8 packaging: the finished washers are output through the discharging device and then quality tested and packaged. Example 2

[0025] This embodiment is further limited on the basis of Embodiment 1. The material of the disc wire is carbon steel, stainless steel or copper alloy; the number of stations of the multi-station cold heading machine is 6, and each station is equipped with an independent mold and drive device; the pressure range of the cold heading process is 50-200 tons, and the specific pressure is adjusted according to the size and material of the washer gasket; the punching process adopts a high-speed punch press, and the punching speed is 100-300 times per minute; quality inspection includes size inspection, hardness inspection and surface defect inspection; the discharging device is equipped with an automatic sorting mechanism, which can automatically separate qualified products from unqualified products according to the inspection results; the feeding device is driven by a servo motor, and the feeding accuracy is ±0.1mm; the discharging device is equipped with an automatic sorting mechanism, which can automatically separate qualified products from unqualified products according to the inspection results.

[0026] The above description is only by way of illustration of certain exemplary embodiments of the present invention. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. The process of forming a washer gasket using a disc wire by a multi-station cold heading machine is characterized in that: The following steps are involved: S1 cutting, feeding the disc wire into the first station of the multi-station cold heading machine through the feeding device, cutting the wire to form wire segments of predetermined length; The length L of the wire segment is determined according to the outer diameter D and thickness T of the washer, and the calculation formula is: L = π × D × k × T Among them, k is the correction coefficient, and its value range is 0.95-1.05; L is the length of the wire cut, in millimeters (mm); D. The outer diameter of the washer, in millimeters (mm); T: The thickness of the washer, in millimeters (mm); k correction factor, used to adjust the wire length to suit different process requirements and material properties; S2 plastic rod, to straighten the wire after cutting; S3 preforming 1, the wire section after plastic rod is transported to the second station, and is initially formed through cold heading process to form the blank of the washer gasket; S4 preforming 2, conveying the blank to the third station for shape trimming to form the basic shape of the washer gasket; S5 forming, the basically formed washer gasket is transported to the fourth station for surface treatment and size refinement; S6 embossing, conveying the formed washer gasket to the fifth station for embossing; S7 punching, transporting the patterned washer to the sixth station for punching; S8 packaging: the finished washers are output through the discharging device and then quality tested and packaged.

2. The process for forming a washer gasket using a disc wire by a multi-station cold heading machine according to claim 1, characterized in that: The material of the disc wire is carbon steel, stainless steel or copper alloy.

3. The process for forming a washer gasket using a disc wire by a multi-station cold heading machine according to claim 1, characterized in that: The multi-station cold heading machine has 6 stations, and each station is equipped with an independent mold and a driving device.

4. The process for forming a washer gasket using a disc wire by a multi-station cold heading machine according to claim 1, characterized in that: The pressure range of the cold heading process is 50-200 tons, and the specific pressure is adjusted according to the size and material of the washer.

5. The process for forming a washer gasket using a disc wire by a multi-station cold heading machine according to claim 1, characterized in that: The punching process uses a cold heading machine, and the punching speed is 60-90 times per minute.

6. The process for forming a washer gasket using a disc wire by a multi-station cold heading machine according to claim 1, characterized in that: The quality inspection includes size inspection, hardness inspection and surface defect inspection.

7. The process for forming a washer gasket using a disc wire by a multi-station cold heading machine according to claim 1, characterized in that: The discharging device is equipped with an automatic sorting mechanism, which can automatically separate qualified products from unqualified products according to the test results.

8. The process for forming a washer gasket using a disc wire by a multi-station cold heading machine according to claim 1, characterized in that: The feeding device is driven by a servo motor, and the feeding accuracy is ±0.1mm.

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