Cold-rolled high-strength steel detection sample machining device

Abstract

The utility model discloses a cold-rolled high-strength steel detection sample machining device, and belongs to the technical field of high-strength steel sample machining equipment. The cold-rolled high-strength steel detection sample machining device comprises a milling machine, a sample clamp, a milling cutter, a cutter handle extension rod, a cutter handle chuck and a flap wheel polishing head. The milling machine is provided with a cutter handle, and the cutter handle is configured to selectively clamp the milling cutter or the first end of the cutter handle extension rod; the second end of the cutter handle extension rod is connected with the cutter handle chuck, and the cutter handle chuck clamps a shaft rod of the flap wheel polishing head. And the sample clamp is arranged below the cutter handle. According to the cold-rolled high-strength steel detection sample machining device, high-quality machining can be conducted on the cold-rolled high-strength steel detection sample, and a grain deformation and hardening area is efficiently cleaned.

Description

Technical Field

[0001] This application belongs to the technical field of high-strength steel specimen processing equipment, and particularly relates to a processing device for cold-rolled high-strength steel test specimens. Background Art

[0002] During the production process of cold-rolled high-strength steel, performance testing is required. Therefore, cold-rolled high-strength steel specimens are intercepted, and the specimens are processed by machine tools such as milling machines to meet the requirements of performance testing. However, during the specimen processing, work-hardened areas will randomly appear on the specimens. In this area, the grains are deformed, making the reliability of the physical property test results unsatisfactory. Therefore, it is usually necessary to take out the specimens and then manually polish them with sandpaper to remove the work-hardened areas.

[0003] However, the process of manually polishing the specimens is cumbersome, time-consuming and laborious, and the efficiency is low. Moreover, during the sandpaper polishing process, the polishing amplitude mostly depends on the experience of the operator, with a large randomness, and problems such as excessive polishing amplitude or incomplete removal of the hardened area are likely to occur, increasing the risk of inaccurate test data. Often, multiple reworks and multiple reinspections are required, resulting in the defects of low efficiency and insufficient reliability in the entire testing process. Summary of the Invention

[0004] This application provides a processing device for cold-rolled high-strength steel test specimens, aiming to at least solve to a certain extent the technical problems of unsatisfactory processing quality of cold-rolled high-strength steel specimens, easy occurrence of grain deformation areas affecting the specimen quality, and time-consuming and laborious processing. For this purpose,

[0005] A processing device for cold-rolled high-strength steel test specimens provided by an embodiment of this application includes: a milling machine, a specimen fixture, a milling cutter, a tool shank extension rod, a tool shank chuck, and a flap wheel grinding head;

[0006] A tool shank is configured on the milling machine, and the tool shank is configured to selectively clamp the first end of the milling cutter or the tool shank extension rod;

[0007] The second end of the tool shank extension rod is connected to the tool shank chuck, and the tool shank chuck clamps the shaft of the flap wheel grinding head;

[0008] The specimen fixture is arranged below the tool shank.

[0009] In some embodiments, the tool shank is a BT50 tool shank.

[0010] In some embodiments, the tool shank extension rod is a C20-ER16A-100 extension rod.

[0011] In some embodiments, the diameter of the tool shank extension rod is 20 mm.

[0012] In some embodiments, the clamping inner diameter of the tool holder chuck is 6 mm.

[0013] In some embodiments, the shaft rod length of the flap wheel grinding head is 25 mm and the diameter is 6 mm.

[0014] In some embodiments, the diameter range of the flap wheel grinding head is 20 - 50 mm, and the thickness range of the flap wheel grinding head is 30 - 80 mm.

[0015] In some embodiments, the flap wheel grinding head is 80 mesh.

[0016] In some embodiments, the rotational speed of the flap wheel grinding head is 2000 revolutions per minute.

[0017] The embodiments of the present application at least have the following beneficial effects:

[0018] The cold-rolled high-strength steel test specimen processing device provided by the embodiments of the present application is based on a cold-rolled high-strength steel test specimen processing milling machine, and is provided with a tool holder extension rod, a tool holder chuck, and a flap wheel grinding head. Based on the milling machine structure, a specimen grinding structure is realized, so that a grinding function is added on the basis of the milling machine function. Thus, after the specimen processing is completed, it is possible to switch to the grinding function structure to implement efficient and automated grinding, remove the grain deformation and hardening area on the specimen, and be able to perform appropriate grinding to avoid over-grinding, ensure the specimen quality, and improve the detection reliability. Specifically, the tool holder extension rod can be clamped and held in the milling machine tool holder, and the flap wheel grinding head can be clamped and installed on the tool holder extension rod through the tool holder chuck, so that the rotational grinding function of the flap wheel grinding head can be realized. It should be noted that through the cooperation of the tool holder extension rod and the tool holder chuck, the flap wheel grinding head can be assembled onto the milling machine, and the full-automatic grinding function can be realized without additional modification of the milling machine structure, which can optimize the cold-rolled high-strength steel test specimen processing process and efficiency, and can obtain high-quality specimens. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the drawings in the following description are some embodiments of the present application. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0020] Figure 1 Shows a schematic structural diagram of the cold-rolled high-strength steel test specimen processing device in the embodiments of the present application;

[0021] Figure 2 Shows Figure 1 the schematic structural diagram of the tool holder of the cold-rolled high-strength steel test specimen processing device in

[0022] Figure 3 shows Figure 1 a structural schematic diagram of a tool shank extension rod of a cold-rolled high-strength steel test sample processing device in

[0023] Figure 4 shows Figure 1 a structural schematic diagram of a flap wheel grinding head of a cold-rolled high-strength steel test sample processing device in

[0024] Reference numerals:

[0025] 1 - milling machine, 11 - tool shank, 11a - fastening nut, 2 - tool shank extension rod, 21 - first rod end, 22 - second rod end, 3 - tool shank chuck, 4 - flap wheel grinding head, 41 - shaft rod, 42 - flap wheel body. Detailed implementation manners

[0026] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

[0027] In addition, the present application may repeat reference numerals and / or reference letters in different examples. Such repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed. In addition, the present application provides examples of various specific processes and materials, but those of ordinary skill in the art may be aware of the application of other processes and / or the use of other materials.

[0028] Next, the present application will be described in conjunction with the accompanying drawings and with reference to specific embodiments:

[0029] To prepare test samples of cold-rolled high-strength steel, it is usually necessary to reprocess the cut samples on equipment such as a milling machine to achieve operations such as shape modification and surface treatment. However, during the processing, hardened regions will be generated on the samples, resulting in grain deformation and affecting the reliability of the physical detection performance. For this reason, manual sandpaper grinding is mostly used to remove the hardened regions to improve the surface quality. However, limited by the contingency of manual operation, the removal of the hardened regions is either incomplete or excessive, both of which affect the quality of the samples, and the grinding operation is time-consuming and laborious, with low efficiency.

[0030] During the production process of cold-rolled high-strength steel, performance testing is required. Therefore, multiple samples of cold-rolled high-strength steel are intercepted, and the samples are processed by machine tools such as milling machines to meet the requirements of performance testing. However, the process of manually grinding and preparing samples is cumbersome, time-consuming and laborious, and the efficiency is low. Moreover, during the process of sandpaper grinding, the grinding amplitude mostly depends on the experience of the operator, with a large randomness, and problems such as excessive grinding amplitude or incomplete removal of the hardened area are likely to occur.

[0031] See Figure 1 、 Figure 2 、 Figure 3 and Figure 4 For this, an embodiment of the present application provides a processing device for cold-rolled high-strength steel test samples, including: a milling machine 1, a milling cutter 11, a sample fixture 12, a tool shank extension rod 2, a tool shank chuck 3, and a flap wheel grinding head 4.

[0032] Among them, the milling machine 1 can be a conventional automated milling machine, which can perform full-automatic milling processing according to the set milling path and specifications; in this embodiment, the milling machine 1 is provided with a tool shank 1 for connecting the milling cutter, which can perform basic shaping and specification adjustment on the sample; the milling machine 1 is also equipped with a sample fixture 12 for cooperatively clamping the samples of cold-rolled high-strength steel.

[0033] The tool shank 11 is a typical tool shank with an embedded clamping form, and a BT50 tool shank can be selected. Thus, the first rod end 21 of the tool shank extension rod 2 is detachably clamped in the BT50 tool shank and can rotate together with the BT50 tool shank to output torque.

[0034] The second rod end 22 of the tool shank extension rod 2 can be matched and connected with the tool shank chuck 3, and the tool shank chuck 3 clamps the shaft rod 41 of the flap wheel grinding head 4, so that the flap wheel grinding head 4 can perform rotational grinding operations on the milling machine 1.

[0035] Generally speaking, the sample fixture 12 can be arranged below the tool shank 11, and the grinding operation is realized by using the milling mode of the milling machine 1, so as to be well compatible with the functions of the milling machine 1.

[0036] In some embodiments, the tool shank extension rod 2 is a C20-ER16A-100 extension rod, and its first rod end 21 can be embedded in the tool shank 11 and locked by a fastening nut 11a.

[0037] Generally speaking, in order to be compatible with the space and operation mode of the milling machine 1, the diameter of the tool shank extension rod 2 can be set to 20 mm, the clamping inner diameter of the tool shank chuck 3 is 6 mm, and the length of the shaft rod 41 of the flap wheel grinding head 4 can be 25 mm and the diameter is 6 mm to be matched and embedded in the tool shank chuck 3.

[0038] In some embodiments, to facilitate the grinding of cold-rolled high-strength steel specimens, the diameter of the abrasive disc body 42 of the abrasive disc grinding head 4 may range from 20 to 50 mm, and the thickness of the wheel body of the abrasive disc grinding head 4 may range from 30 to 80 mm.

[0039] Among them, the abrasive disc grinding head may be 80 mesh.

[0040] In some embodiments, the rotational speed of the abrasive disc grinding head 4 is 2000 revolutions per minute, which can be directly set through the parameter setting human-machine interface of the milling machine 1.

[0041] The embodiments of the present application at least have the following beneficial effects: A cold-rolled high-strength steel test specimen processing device is based on a cold-rolled high-strength steel test specimen processing milling machine, and a tool shank extension rod, a tool shank chuck, and an abrasive disc grinding head are provided. Based on the structure of the milling machine, a specimen grinding structure is realized, so that a grinding function is added on the basis of the function of the milling machine. After the specimen processing is completed, the grinding function structure can be switched to implement efficient and automated grinding, remove the grain deformation hardening area on the specimen, and can perform appropriate grinding to avoid over-grinding, ensure the quality of the specimen, and improve the detection reliability. Specifically, the tool shank extension rod can be clamped and held in the milling machine tool shank, and the abrasive disc grinding head can be clamped and installed on the tool shank extension rod through the tool shank chuck, so that the rotational grinding function of the abrasive disc grinding head can be realized. It should be noted that through the cooperation of the tool shank extension rod and the tool shank chuck, the abrasive disc grinding head can be assembled onto the milling machine, and the full-automatic grinding function can be realized without additional modification of the milling machine structure, which can optimize the cold-rolled high-strength steel test specimen processing process and efficiency, and high-quality specimens can be obtained.

[0042] In the present application, unless otherwise clearly specified and limited, the first feature being "on" or "under" the second feature may include direct contact between the first and second features, or may include the first and second features not being in direct contact but being in contact through additional features therebetween. Moreover, the first feature being "above", "over" and "on top of" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature has a higher horizontal height than the second feature. The first feature being "under", "beneath" and "underneath" the second feature includes the first feature being directly below and obliquely below the second feature, or merely indicating that the first feature has a lower horizontal height than the second feature.

[0043] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the present application.

[0044] It should be noted that all the directional indications in the embodiments of the present application are only used to explain the relative positional relationship, movement conditions, etc. between components in a specific posture. If this specific posture changes, the directional indications will also change accordingly.

[0045] In the present application, unless otherwise clearly specified and defined, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and can be the communication inside two elements or the interaction relationship between two elements, unless otherwise clearly defined. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0046] In addition, in the present application, the descriptions such as "first", "second", etc. are only for descriptive purposes and should not be understood as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more, unless otherwise clearly and specifically defined.

[0047] In the description of this specification, the descriptions with reference to terms such as "one embodiment", "some embodiments", "example", "specific example", or "some examples" mean that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic descriptions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine the different embodiments or examples described in this specification.

[0048] In addition, the technical solutions between various embodiments can be combined with each other, but it must be based on the ability of those of ordinary skill in the art to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by this application.

[0049] Although the embodiments of the present application have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and purposes of the present application. The scope of the present application is defined by the claims and their equivalents.

Claims

1. A processing device for cold-rolled high-strength steel test specimens, characterized in that, Including: A milling machine, a specimen fixture, a milling cutter, a tool shank extension rod, a tool shank chuck, and a flap wheel grinding head; A tool shank is configured on the milling machine, and the tool shank is configured to selectively hold the first end of the milling cutter or the tool shank extension rod; The second end of the tool shank extension rod is connected to the tool shank chuck, and the tool shank chuck holds the shaft of the flap wheel grinding head; The specimen fixture is arranged below the tool shank.

2. The cold-rolled high-strength steel detection sample processing device according to claim 1, wherein, The tool shank is a BT50 tool shank.

3. The cold-rolled high-strength steel test sample processing device according to claim 2, characterized in that, The tool shank extension rod is a C20-ER16A-100 extension rod.

4. The cold-rolled high-strength steel test sample processing device according to claim 1, characterized in that, The diameter of the tool shank extension rod is 20 mm.

5. The cold-rolled high-strength steel detection sample processing device according to claim 4, wherein The clamping inner diameter of the tool shank chuck is 6 mm.

6. The cold-rolled high-strength steel detection sample processing device according to claim 4, wherein, The shaft length of the flap wheel grinding head is 25 mm and the diameter is 6 mm.

7. The cold rolling high-strength steel detection sample processing device according to claim 6, wherein, The diameter range of the flap wheel grinding head is 20 - 50 mm, and the thickness range of the flap wheel grinding head is 30 - 80 mm.

8. The cold-rolled high-strength steel test sample processing device according to claim 7, characterized in that, The flap wheel grinding head is 80 mesh.

9. The cold-rolled high-strength steel test sample processing device according to claim 5, characterized in that, The rotational speed of the flap wheel grinding head is 2000 revolutions per minute.

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