CN110842485A - Stainless steel screw lettering and knurling processing technology - Google Patents
Stainless steel screw lettering and knurling processing technology Download PDFInfo
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- CN110842485A CN110842485A CN201911187562.0A CN201911187562A CN110842485A CN 110842485 A CN110842485 A CN 110842485A CN 201911187562 A CN201911187562 A CN 201911187562A CN 110842485 A CN110842485 A CN 110842485A
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- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
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- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
Abstract
The invention discloses a stainless steel screw lettering and knurling processing technology, which comprises the following steps: selecting raw materials: the raw materials are stainless steel bars, wherein the components of the stainless steel bars are calculated according to mass fraction; in the raw material detection process, the appearance detection module, the burr detection module and the size detection module sequentially detect the stainless steel bars and feed back detection data to the control module, the control module feeds back the data to the analysis and comparison module, the analysis and comparison module calls the data in the storage module for comparison and analysis and feeds back analysis results to the control module, if the detection results are qualified, the voice module reports that the detection is qualified, if the detection results are partially unqualified, the voice module reports that the detection is unqualified, and meanwhile, the control module controls the unqualified product rejection module to reject, and various structures are matched with one another, so that the qualification rate of products can be improved, the waste of materials is reduced, and the cost is saved.
Description
Technical Field
The invention belongs to the technical field of stainless steel screw machining, and particularly relates to a lettering and knurling machining process for a stainless steel screw.
Background
Stainless steel screws generally refer to steel screws having corrosion resistance against air, water, acid, alkali salt or other media, are generally not easily rusted and durable, and can be used in the fields of environmental protection equipment, medical equipment, communication equipment and the like.
The prior art has the following problems: the existing stainless steel screw lettering and knurling processing technology is not provided with a detection structure at the initial stage of raw materials, and although normal lettering and knurling processing of stainless steel screws is not influenced, the rejection rate of products is easily improved, so that material waste is caused, and the cost is increased.
Disclosure of Invention
To solve the problems set forth in the background art described above. The invention provides a stainless steel screw lettering and knurling processing process which has the characteristics of improving the product percent of pass, further reducing material waste and saving cost.
In order to achieve the purpose, the invention provides the following technical scheme: a stainless steel screw lettering and knurling process comprises the following steps: selecting raw materials: the raw materials are stainless steel bars, wherein the stainless steel bars comprise the following components in percentage by mass: cr: 12% -17%, C: 0.07 to 0.16%, Ni: 1.21-1.93%, Ti: 0.28 to 0.61%, Mn: 0.19-0.2%, N: 0.23-0.48%, Nb: 0.11 to 0.49%, Mo: 1.12-1.46%, Si: 0.15 to 0.37%, Cu: 0.6-0.88% and the balance Fe; raw material detection: carrying out detection process treatment on the stainless steel bars, and warning workers and automatically removing unqualified stainless steel bars when the unqualified stainless steel bars are detected; annealing: putting the stainless steel bar into an annealing furnace for annealing process treatment; acid washing: carrying out acid washing process treatment on the stainless steel bar to remove an oxide film on the surface of the stainless steel bar; cold heading: cutting the stainless steel reinforcing steel bars, and upsetting into stainless steel screw blanks; lettering: feeding the stainless steel screw blank into a carving machine for carving characters to achieve the required characters; knurling: feeding the stainless steel screw blank into a knurling machine for knurling so as to obtain required patterns; thread rolling: feeding the stainless steel screw blank into a thread rolling machine for thread rolling so as to achieve required threads; and (3) heat treatment: carrying out heat treatment process treatment on the stainless steel screw blank; electroplating: electroplating the stainless steel screw blank; shot blasting: carrying out shot blasting process treatment on the stainless steel screw blank; packaging: carrying out packaging process treatment on the stainless steel screw blank to obtain a final finished product; packaging and detecting: carrying out detection process treatment on the final finished product; and (4) ex-warehouse: finally packaging and delivering out of the warehouse; equipment detection: and carrying out detection process treatment on the equipment state of the machining process.
In the raw material detection process, the appearance detection module, the burr detection module and the size detection module sequentially detect the stainless steel bars and feed back detection data to the control module, the control module feeds back the data to the analysis and comparison module, the analysis and comparison module calls the data in the storage module for comparison and analysis and feeds back analysis results to the control module, if the detection results are qualified, the voice module reports that the detection is qualified, if the detection results are partially unqualified, the voice module reports that the detection is unqualified, and meanwhile the control module controls the unqualified product rejection module to reject.
In the present invention, in the pickling process, the whole stainless steel bar is immersed in hydrochloric acid with a concentration of 20% at normal temperature, the whole stainless steel bar is immersed in hydrochloric acid with a concentration of 22% at normal temperature, the whole stainless steel bar is immersed in hydrochloric acid with a concentration of 25% at normal temperature, and the hydrochloric acid corrosion products on the surface of the stainless steel bar are removed by clean water to remove the oxide film on the surface of the stainless steel bar.
Further, in the packaging detection process, the surface of the packaged stainless steel screw is scanned by a scanning module and data is acquired, the scanning module feeds the data back to a control module, the control module feeds the received data back to a checking module, the checking module calls the data in a storage module for checking, the checking results are the same, the stainless steel screw enters a weighing module for weighing and the checking results are different, the control module controls an alarm module to warn a worker and reject the stainless steel screw through a rejected product rejection module, the stainless steel screw enters the weighing module, the weighing module weighs and acquires the data, the weighing module feeds the data back to the control module, the control module feeds the received data back to the checking module, the checking module calls the data in the storage module for checking, the checking results are the same, and the stainless steel screw enters a warehouse-out process, and if the checking results are different, the control module controls the alarm module to warn the workers and rejects the unqualified products by the unqualified product rejection module.
In the warehouse-out process, finished stainless steel screws are placed on a conveyor belt and conveyed and collected by the conveyor belt.
In the equipment detection process, the acquisition module is used for intensively acquiring the working data of the annealing process, the pickling process, the cold heading process, the lettering process, the knurling process, the thread rolling process, the heat treatment process, the electroplating process, the shot blasting process, the packaging process and the packaging detection process, and then feeding back the data to the fault diagnosis module, wherein the fault diagnosis module is used for analyzing the received data, if the data is normal, the control module directly stores the data into the storage module, and if the data is abnormal, the control module controls the alarm module to give an alarm to remind a worker and simultaneously store the fault data into the storage module, so that later-stage query is facilitated.
Compared with the prior art, the invention has the beneficial effects that:
1. in the raw material detection process, the appearance detection module, the burr detection module and the size detection module sequentially detect the stainless steel bars and feed back detection data to the control module, the control module feeds back the data to the analysis and comparison module, the analysis and comparison module calls the data in the storage module (stores the data in the storage module in advance) for comparison and analysis and feeds back analysis results to the control module, if the detection results are qualified, the voice module reports that the detection is qualified, if the detection results are partially unqualified, the voice module reports that the detection is unqualified, and meanwhile, the control module controls the unqualified product rejection module to reject, so that various structures are matched with each other, the qualification rate of products can be improved, the waste of materials is reduced, and the cost is saved.
2. In the packaging detection process, a scanning module scans the surface of a packaged stainless steel screw and acquires data, the scanning module feeds the data back to a control module, the control module feeds the received data back to a checking module, the checking module calls the data in a storage module for checking, the checking results are the same, the stainless steel screw enters a weighing module for weighing, the checking results are different, the control module controls an alarm module to warn a worker, the stainless steel screw enters a weighing module for weighing and acquiring data through a defective product rejecting module, the weighing module feeds the data back to the control module, the control module feeds the received data back to the checking module, the checking module calls the data in the storage module for checking, the checking results are the same, and the stainless steel screw enters a warehouse-out process, the checking results are different, the control module controls the alarm module to warn workers, rejected products are rejected by the rejected product rejection module, various structures are mutually matched, and the working efficiency and the qualification rate of stainless steel screw packaging are improved.
3. In the equipment detection process, the acquisition module is used for intensively acquiring the working data of an annealing process, an acid pickling process, a cold heading process, a lettering process, a knurling process, a thread rolling process, a heat treatment process, an electroplating process, a shot blasting process, a packaging process and a packaging detection process, and then feeding the data back to the fault diagnosis module, the fault diagnosis module is used for analyzing the received data, if the data is normal, the control module directly stores the data into the storage module, if the data is abnormal, the control module controls the alarm module to give an alarm to remind a worker and simultaneously store the fault data into the storage module, so that later-period inquiry is facilitated, various structures are matched with each other, the processing process can be automatically monitored in real time, the abnormal state and the fault of the processing process can be timely identified, and the function of sending prompt information to the worker in real time for the fault can be, thereby improving the detection efficiency and avoiding production accidents.
Drawings
Fig. 1 is a schematic structural diagram of the work flow of the present invention.
FIG. 2 is a schematic structural diagram of a raw material detection process workflow of the present invention.
FIG. 3 is a schematic structural diagram of a process flow of the equipment inspection process of the present invention.
Fig. 4 is a schematic structural diagram of a packaging inspection process workflow of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-4, the present invention provides the following technical solutions: a stainless steel screw lettering and knurling process comprises the following steps: selecting raw materials: the raw materials are stainless steel bars, wherein the stainless steel bars comprise the following components in percentage by mass: cr: 12% -17%, C: 0.07 to 0.16%, Ni: 1.21-1.93%, Ti: 0.28 to 0.61%, Mn: 0.19-0.2%, N: 0.23-0.48%, Nb: 0.11 to 0.49%, Mo: 1.12-1.46%, Si: 0.15 to 0.37%, Cu: 0.6-0.88% and the balance Fe; raw material detection: carrying out detection process treatment on the stainless steel bars, and warning workers and automatically removing unqualified stainless steel bars when the unqualified stainless steel bars are detected; annealing: putting the stainless steel bar into an annealing furnace for annealing process treatment; acid washing: carrying out acid washing process treatment on the stainless steel bar to remove an oxide film on the surface of the stainless steel bar; cold heading: cutting the stainless steel reinforcing steel bars, and upsetting into stainless steel screw blanks; lettering: feeding the stainless steel screw blank into a carving machine for carving characters to achieve the required characters; knurling: feeding the stainless steel screw blank into a knurling machine for knurling so as to obtain required patterns; thread rolling: feeding the stainless steel screw blank into a thread rolling machine for thread rolling so as to achieve required threads; and (3) heat treatment: carrying out heat treatment process treatment on the stainless steel screw blank; electroplating: electroplating the stainless steel screw blank; shot blasting: carrying out shot blasting process treatment on the stainless steel screw blank; packaging: carrying out packaging process treatment on the stainless steel screw blank to obtain a final finished product; packaging and detecting: carrying out detection process treatment on the final finished product; and (4) ex-warehouse: finally packaging and delivering out of the warehouse; equipment detection: and carrying out detection process treatment on the equipment state of the machining process.
In order to have a better detection effect on the raw material, in the embodiment, the optimization is realized, in the raw material detection process, the appearance detection module, the burr detection module and the size detection module detect the stainless steel bar in sequence, and feed back the detection data to the control module, the control module feeds back the data to the analysis comparison module, the analysis comparison module calls the data in the storage module for comparison and analysis, and feeds back the analysis result to the control module, if the detection result is all qualified, the voice module reports that the detection is qualified, if the detection result is partially unqualified, the voice module reports that the detection is unqualified, and the unqualified product rejection module is rejected under the control of the control module.
In order to achieve better pickling effect, in this embodiment, preferably, in the pickling process, the whole stainless steel bar is immersed in hydrochloric acid with a concentration of 20% at normal temperature, the whole stainless steel bar is immersed in hydrochloric acid with a concentration of 22% at normal temperature, the whole stainless steel bar is immersed in hydrochloric acid with a concentration of 25% at normal temperature, and the hydrochloric acid corrosion products on the surface of the stainless steel bar are removed by using clean water, so as to remove the oxide film on the surface of the stainless steel bar.
In order to have a better detection effect on a packaged finished product, in this embodiment, preferably, in the packaging detection process, the scanning module scans the surface of a packaged stainless steel screw and acquires data, the scanning module feeds the data back to the control module, the control module feeds the received data back to the checking module, the checking module takes the data in the storage module for checking, the checking results are the same, the stainless steel screw enters the weighing module for weighing, the checking results are different, the control module controls the alarm module to warn a worker, the stainless steel screw enters the weighing module after being rejected by the unqualified product rejection module, the weighing module weighs and acquires the data, the weighing module feeds the data back to the control module, the control module feeds the received data back to the checking module, the checking module takes the data in the storage module for checking, the checking results are the same, the stainless steel screws enter the ex-warehouse process, the checking results are different, the control module controls the alarm module to warn workers, and the unqualified products are removed through the unqualified product removing module.
In order to facilitate delivery, in this embodiment, preferably, in the delivery process, the finished stainless steel screws are placed on a conveyor belt and conveyed and collected by the conveyor belt.
In order to automatically monitor the machining process in real time, further identify the abnormal state and fault of the machining process in time and send prompt information to the worker in real time, in the embodiment, preferably, in the equipment detection process, the acquisition module is used for collecting working data of the annealing process, the pickling process, the cold heading process, the lettering process, the knurling process, the thread rolling process, the heat treatment process, the electroplating process, the shot blasting process, the packaging process and the packaging detection process in a centralized manner, and then the data are fed back to the fault diagnosis module, the fault diagnosis module is used for analyzing the received data, if the data are normal, the control module directly stores the data into the storage module, and if the data are abnormal, the control module controls the alarm module to give an alarm to remind a worker and simultaneously store the fault data into the storage module, so that later-stage query is facilitated.
The working principle of the embodiment is as follows: selecting raw materials: the raw materials are stainless steel bars, wherein the stainless steel bars comprise the following components in percentage by mass: cr: 12% -17%, C: 0.07 to 0.16%, Ni: 1.21-1.93%, Ti: 0.28 to 0.61%, Mn: 0.19-0.2%, N: 0.23-0.48%, Nb: 0.11 to 0.49%, Mo: 1.12-1.46%, Si: 0.15 to 0.37%, Cu: 0.6-0.88% and the balance Fe; raw material detection: the appearance detection module, the burr detection module and the size detection module sequentially detect the stainless steel bars and feed detection data back to the control module, the control module feeds the data back to the analysis comparison module, the analysis comparison module calls the data in the storage module for comparison and analysis and feeds analysis results back to the control module, if the detection results are qualified, the voice module reports that the detection is qualified, if the detection results are partially unqualified, the voice module reports that the detection is unqualified, and meanwhile the control module controls the unqualified product rejection module to reject the stainless steel bars; annealing: putting the stainless steel bar into an annealing furnace for annealing process treatment; acid washing: immersing the whole stainless steel bar into hydrochloric acid with the concentration of 20% at normal temperature, immersing the whole stainless steel bar into hydrochloric acid with the concentration of 22% at normal temperature, immersing the whole stainless steel bar into hydrochloric acid with the concentration of 25% at normal temperature, and removing hydrochloric acid corrosion products on the surface of the stainless steel bar by using clear water so as to remove an oxide film on the surface of the stainless steel bar; cold heading: cutting the stainless steel reinforcing steel bars, and upsetting into stainless steel screw blanks; lettering: feeding the stainless steel screw blank into a carving machine for carving characters to achieve the required characters; knurling: feeding the stainless steel screw blank into a knurling machine for knurling so as to obtain required patterns; thread rolling: feeding the stainless steel screw blank into a thread rolling machine for thread rolling so as to achieve required threads; and (3) heat treatment: carrying out heat treatment process treatment on the stainless steel screw blank; electroplating: electroplating the stainless steel screw blank; shot blasting: carrying out shot blasting process treatment on the stainless steel screw blank; packaging: carrying out packaging process treatment on the stainless steel screw blank to obtain a final finished product; packaging and detecting: the surface of a packaged stainless steel screw is scanned by a scanning module and data is acquired, the scanning module feeds the data back to a control module, the control module feeds the received data back to a checking module, the checking module calls the data in a storage module to check, the checking results are the same, the stainless steel screw enters a weighing module to be weighed, the checking results are different, the control module controls an alarm module to warn a worker, the stainless steel screw enters a weighing module to be weighed and acquires data after being rejected by a defective product rejection module, the weighing module feeds the data back to the control module, the control module feeds the received data back to the checking module, the checking module calls the data in the storage module to check, the checking results are the same, the stainless steel screw enters a warehouse-out process, the checking results are different, the control module controls the alarm module to warn the worker, and rejected by a rejected product rejecting module; and (4) ex-warehouse: placing the stainless steel screw finished product on a conveyor belt, and conveying and collecting the stainless steel screw finished product by the conveyor belt; equipment detection: the acquisition module is used for intensively acquiring working data of an annealing process, an acid washing process, a cold heading process, a lettering process, a knurling process, a thread rolling process, a heat treatment process, an electroplating process, a shot blasting process, a packaging process and a packaging detection process, and then feeding the data back to the fault diagnosis module, the fault diagnosis module is used for analyzing the received data, if the data is normal, the control module directly stores the data into the storage module, and if the data is abnormal, the control module controls the alarm module to give an alarm to remind a worker and simultaneously store the fault data into the storage module, so that later-stage query is facilitated.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A stainless steel screw lettering and knurling process comprises the following steps: selecting raw materials: the raw materials are stainless steel bars, wherein the stainless steel bars comprise the following components in percentage by mass: cr: 12% -17%, C: 0.07 to 0.16%, Ni: 1.21-1.93%, Ti: 0.28 to 0.61%, Mn: 0.19-0.2%, N: 0.23-0.48%, Nb: 0.11 to 0.49%, Mo: 1.12-1.46%, Si: 0.15 to 0.37%, Cu: 0.6-0.88% and the balance Fe; raw material detection: carrying out detection process treatment on the stainless steel bars, and warning workers and automatically removing unqualified stainless steel bars when the unqualified stainless steel bars are detected; annealing: putting the stainless steel bar into an annealing furnace for annealing process treatment; acid washing: carrying out acid washing process treatment on the stainless steel bar to remove an oxide film on the surface of the stainless steel bar; cold heading: cutting the stainless steel reinforcing steel bars, and upsetting into stainless steel screw blanks; lettering: feeding the stainless steel screw blank into a carving machine for carving characters to achieve the required characters; knurling: feeding the stainless steel screw blank into a knurling machine for knurling so as to obtain required patterns; thread rolling: feeding the stainless steel screw blank into a thread rolling machine for thread rolling so as to achieve required threads; and (3) heat treatment: carrying out heat treatment process treatment on the stainless steel screw blank; electroplating: electroplating the stainless steel screw blank; shot blasting: carrying out shot blasting process treatment on the stainless steel screw blank; packaging: carrying out packaging process treatment on the stainless steel screw blank to obtain a final finished product; packaging and detecting: carrying out detection process treatment on the final finished product; and (4) ex-warehouse: finally packaging and delivering out of the warehouse; equipment detection: and carrying out detection process treatment on the equipment state of the machining process.
2. The corrosion-resistant machining forming process for the stainless steel screw according to claim 1, characterized in that: in the raw material detection process, the appearance detection module, the burr detection module and the size detection module sequentially detect the stainless steel reinforcing steel bars, the detection data are fed back to the control module, the control module feeds back the data to the analysis comparison module, the analysis comparison module calls the data in the storage module for comparison and analysis, the analysis result is fed back to the control module, if the detection result is qualified, the voice module broadcasts that the detection is qualified, if the detection result is partially unqualified, the voice module broadcasts that the detection is unqualified, and the control module controls the unqualified product rejection module to reject.
3. The corrosion-resistant machining forming process for the stainless steel screw according to claim 1, characterized in that: in the pickling process, the whole stainless steel bar is immersed in hydrochloric acid with the concentration of 20% at normal temperature, the whole stainless steel bar is immersed in hydrochloric acid with the concentration of 22% at normal temperature, the whole stainless steel bar is immersed in hydrochloric acid with the concentration of 25% at normal temperature, and hydrochloric acid corrosion products on the surface of the stainless steel bar are removed by clean water so as to remove an oxidation film on the surface of the stainless steel bar.
4. The corrosion-resistant machining forming process for the stainless steel screw according to claim 1, characterized in that: in the packaging detection process, a scanning module scans the surface of a packaged stainless steel screw and acquires data, the scanning module feeds the data back to a control module, the control module feeds the received data back to a checking module, the checking module calls the data in a storage module for checking, the checking results are the same, the stainless steel screw enters a weighing module for weighing, the checking results are different, the control module controls an alarm module to warn a worker, the stainless steel screw enters a weighing module for weighing and acquiring data after being rejected by a defective product rejection module, the weighing module feeds the data back to the control module, the control module feeds the received data back to the checking module, the checking module calls the data in the storage module for checking, the checking results are the same, and the stainless steel screw enters a warehouse-out process, and if the checking results are different, the control module controls the alarm module to warn the workers and rejects the unqualified products by the unqualified product rejection module.
5. The corrosion-resistant machining forming process for the stainless steel screw according to claim 1, characterized in that: in the warehouse-out process, finished stainless steel screws are placed on a conveyor belt and conveyed and collected by the conveyor belt.
6. The corrosion-resistant machining forming process for the stainless steel screw according to claim 1, characterized in that: in the equipment detection process, the acquisition module is used for intensively acquiring working data of an annealing process, an acid washing process, a cold heading process, a lettering process, a knurling process, a thread rolling process, a heat treatment process, an electroplating process, a shot blasting process, a packaging process and a packaging detection process, and then feeding back the data to the fault diagnosis module, wherein the fault diagnosis module is used for analyzing the received data, if the data is normal, the control module directly stores the data into the storage module, and if the data is abnormal, the control module controls the alarm module to give an alarm to remind a worker and simultaneously store the fault data into the storage module, so that later-stage query is facilitated.
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