CN116296650A - Metal material scribing tool for tensile property test - Google Patents

Abstract

The disclosure provides a metal material marking tool for tensile performance testing, including: a locking device, which is a clamping structure with adjustable spacing; a base clamping block set, including a plurality of clamping blocks, with Fitting each other; the blade set, including a plurality of blades, is fixed on the base clamping block set; the base clamping block set is located on the locking device along the clamping direction of the locking device, and the blade set is fixed on the base clamping block set, by The clamping block group of the base is clamped and fixed along the clamping direction. In this disclosure, the blade group is installed in the base clamping block group, and then the base clamping block group is arranged in the locking device, and the base clamping block group and the blade group are clamped and locked by the locking device, and then the blade group is treated by the blade. Scribing pieces for accurate scribing work. When actually marking the line, the adjustment process of the gauge marking length is completed by adjusting the thickness of the clamp block or increasing or decreasing the number. It has the advantages of simple operation, strong implementability, higher precision, small size, low cost, convenient portability and improved test accuracy. Effect.

Description

A metal material scribing tool for tensile performance testing

technical field

The present disclosure relates to the technical field of tensile scribing equipment, in particular to a metal material scribing tool for tensile performance testing.

Background technique

According to the relevant provisions of the national standard, the original gauge length L0 and the gauge length Lu after fracture of the tensile specimens are stipulated. The original gauge length refers to the gauge length of the sample before force application at room temperature, and the gauge length after fracture refers to the Butt the two parts of the broken sample tightly together to ensure that the axes of the two parts are on the same straight line, and measure the gauge length of the broken sample.

The standard also stipulates the test requirements for the elongation after fracture of the tensile sample. The elongation after fracture refers to the ratio of the residual elongation (Lu-L0) of the gauge length of the specimen after fracture to the original gauge length L0, expressed in % . In order to measure the elongation after break in the tensile properties of the sample, it is necessary to mark the original gauge length of the sample, and the two ends of the original gauge length should be marked with small dots or lines, but marks that cause premature fracture cannot be used , and the original gauge length shall be marked with an accuracy of 1%. At present, the common tensile samples are generally rod-shaped samples and plate-shaped samples. The length and diameter of the working part vary according to the actual needs of the users. The common scribing equipment currently on the market is generally divided into manual and mechanical scribing equipment. There are two types of semi-automatic mechanical scribing equipment. The manual mechanical scribing equipment is inefficient, and the semi-automatic mechanical scribing equipment is expensive. For some samples with shorter length and thinner diameter, the scribing mark cannot be completed well. distance process, and both types of equipment have the disadvantage of being relatively bulky.

Therefore, the inventors are devoting themselves to solving the defects in the above-mentioned prior art and conducting research and development for improvement.

Contents of the invention

In view of this, the purpose of this disclosure is to propose a metal material scribing tool for tensile performance testing, which can be applied to the scribing gauge process of plate-shaped samples and rod-shaped samples of various diameters and lengths, and The gauge line marking accuracy meets the requirements of the national standard for the accuracy of the original gauge length, and has the advantages of simplicity, portability, low cost, high completion efficiency, and short time-consuming one-time work.

Based on the above purpose, the present disclosure provides a metal material scribing tool for tensile performance testing, including: a locking device, which is a clamping structure with adjustable spacing; a base clamping block set, including a plurality of clamping blocks, each The two clamping blocks fit together; the blade set, including a plurality of blades, is fixed on the base clamping block set; the base clamping block set is located on the lock along the clamping direction of the locking device. On the tightening device, the blade set is fixed on the base clamping block set, and is clamped and fixed by the base clamping block set along the clamping direction.

In some optional embodiments, the locking device includes two locking blocks and two telescopic rods, the locking blocks can slide relative to the telescopic rods; the two locking blocks are arranged parallel to each other, The two telescopic rods are arranged parallel to each other, so that a hollow rectangular frame structure is formed between the locking block and the telescopic rods.

In some optional embodiments, the direction of the telescopic rod is the clamping direction, and the rectangular frame between the locking block and the telescopic rod is a locking groove for installing the clamping block set of the base.

In some optional embodiments, further, the two outermost clamping blocks of the base clamping block set are in contact with the locking blocks of the locking device.

In some optional embodiments, further, the locking block and the telescopic rod are connected and locked by fastening nuts.

In some optional embodiments, the clamping blocks are rectangular block structures provided with installation grooves, and each of the clamping blocks is arranged in the same direction.

In some optional embodiments, further, the installation groove is a rectangular groove, and there are stop protrusions on both sides of the installation groove.

In some optional embodiments, further, the blade is placed in the installation groove between two clamping blocks, and the side wall of the blade is limited by the limiting protrusion and the clamping block. bit.

In some optional embodiments, further, the structure of one end of the blade placed in the installation groove corresponds to the structure of the installation groove, so that the blade is positioned in the installation groove.

In some optional embodiments, the end of the blade facing away from the installation groove is formed with a scribe groove for placing the piece to be scribed.

It can be seen from the above that the metal material scribing tool for tensile performance testing provided by the present disclosure is installed in the base clamping block set by installing the blade set in the base clamping block set, and then setting the base clamping block set in the locking device, The clamping block set and the blade set of the base are clamped and locked by the locking device, so as to realize the accurate scribing operation of the piece to be scribed by the blade.

The marking tool provided by this solution has the characteristics of small size, low cost, and easy to carry to a variety of application environments; when it is actually applied to the gauge marking scene, its work efficiency is higher, and the average marking time of each sample is It is only about 1s, compared with most equipment in the industry, the marking time is reduced by 2s/root; at the same time, the present invention has the characteristics of a wide coverage of the gauge line, and the traditional marking equipment cannot completely cover the test line when marking the gauge line. sample working section, leading to the phenomenon that effective samples are greatly reduced. The present invention can cover more than 90% of the sample working section when marking the gauge length, and double the test accuracy; when the present invention is actually applied to the marking process, it can The process of adjusting the length of the gauge line is completed by adjusting the thickness of the clamp or increasing or decreasing the number. It is easy to operate, fast in line speed, strong in execution, and higher in precision; at the same time, it has a simple structure and easy assembly, which is convenient for timely disassembly for accuracy adjustment. maintainance.

Description of drawings

In order to more clearly illustrate the technical solutions in the present disclosure or related technologies, the following will briefly introduce the accompanying drawings that need to be used in the descriptions of the embodiments or related technologies. Obviously, the accompanying drawings in the following description are only for the present disclosure Embodiments, for those of ordinary skill in the art, other drawings can also be obtained based on these drawings without any creative effort.

FIG. 1 is a schematic diagram of the overall structure of a metal material scribing tool according to an embodiment of the present disclosure;

Fig. 2 is an effect diagram of the use of the metal material scribing tooling of the embodiment of the present disclosure;

3 is an exploded view of the structure of the metal material scribing tooling of the embodiment of the present disclosure;

Fig. 4 is an installation effect diagram of the clamping block and the blade of the metal material scribing tool according to the embodiment of the present disclosure;

Fig. 5 is a schematic structural diagram of a clamping block and a blade of a metal material scribing tool according to an embodiment of the present disclosure.

Explanation of reference signs: 1. locking device, 2. base clamping block group, 3. blade group, 4. parts to be marked, 11. locking block, 12. telescopic rod, 13. fastening nut, 21. clip Block, 211, installation groove, 212, limit protrusion, 31, blade, 311, marking groove.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present disclosure clearer, the present disclosure will be further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

It should be noted that, unless otherwise defined, the technical terms or scientific terms used in the embodiments of the present disclosure shall have ordinary meanings understood by those skilled in the art to which the present disclosure belongs. "First", "second" and similar words used in the embodiments of the present disclosure do not indicate any order, quantity or importance, but are only used to distinguish different components. "Comprising" or "comprising" and similar words mean that the elements or items appearing before the word include the elements or items listed after the word and their equivalents, without excluding other elements or items. Words such as "connected" or "connected" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "Down", "Left", "Right" and so on are only used to indicate the relative positional relationship. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

As shown in FIG. 1 and FIG. 2 , this embodiment discloses a metal material scribing tool for tensile performance testing. It includes a locking device 1, which is a clamping structure with adjustable spacing; a base clamping block set 2, including a plurality of clamping blocks 21, and each of the clamping blocks 21 fits each other; a blade set 3, including a plurality of blades 31 , fixed on the base clamping block set 2; the base clamping block set 2 is seated on the locking device 1 along the clamping direction of the locking device 1, and the blade set 3 is fixed on the base On the clamping block group 2, it is clamped and fixed by the base clamping block group 2 along the clamping direction.

Further referring to FIG. 3 , in some optional embodiments, the locking device 1 includes two locking blocks 11 and two telescopic rods 12 , and the locking blocks 11 can slide relative to the telescopic rods 12 The two locking blocks 11 are arranged parallel to each other, and the two telescopic rods 12 are arranged parallel to each other, so that a hollow rectangular frame structure is formed between the locking block 11 and the telescopic rod 12 .

Further, the direction of the telescopic rod 12 is the clamping direction, and the rectangular frame between the locking block 11 and the telescopic rod 12 is a locking groove for installing the base clamping block group 2, as shown in the figure In 3, after the blade group 3 is installed on the base clamping block group 2, the base clamping block group 2 is installed in the locking groove formed in the middle of the locking device 1 for locking and fixing, the locking block 11 and the telescopic rod The connection is locked by the fastening nut 13 .

Wherein, the two outermost clamping blocks 21 of the base clamping block group 2 fit together with the locking block 11 of the locking device 1 , and are clamped along the clamping direction of the telescopic rod 12 by the locking block 11 . Hold the base clamp block set 2.

Further combined with Figure 4 and Figure 5, the clamping block 21 is a rectangular block structure provided with a mounting groove 211, and each of the clamping blocks 21 is arranged in the same direction; wherein, the mounting groove 211 is a rectangular groove , the two sides of the installation groove 211 have limit protrusions 212, and the blade 311 is fixed in the installation groove 211 of the clamp block 21 through the limit protrusions 212 on both sides, and each group of cutters and clamp blocks 21 are fitted together. The base clamp block set 2 and the cutter set 3 are formed.

It should be noted that the blades 311 are placed in the installation grooves 211 between two clamping blocks 21 , and the side walls of the blades 311 are limited by the limiting protrusions 212 and the clamping blocks 21 .

Wherein, the structure of one end of the blade 311 placed in the installation groove 211 corresponds to the structure of the installation groove 211, so that the blade is positioned in the installation groove 211, and the direct position is determined by the limiting protrusion 212. The slot 211 is installed, and the blade 311 is fixed in the slot 211 .

As shown in FIGS. 2 and 4 , the end of the blade 311 away from the installation groove 211 is formed with a scribed groove for placing the part 4 to be marked, for limiting the part 4 to be marked on the blade and Make a line.

As an optional embodiment, the groove depth of clamp block 21 in this example can be adjusted, and it is now in a through state, which can be adjusted to a semi-through state;

As an optional embodiment, in this example, by adjusting the thickness and quantity of the clamping blocks, the clamping blocks can be clamped and spliced together to change the marking gauge length. It can be adjusted to remove the clamping device and directly insert the It is realized by machining the groove matching the blade.

As an optional embodiment, in this example, the shape of the cutter head of the blade 31 for marking the gauge line is adjustable, and it is a V-shaped cutter head, which can be replaced with a flat cutter head, an oblique cutter head and other shapes of cutter heads.

As shown above, the metal material scribing tool for tensile performance test provided by the embodiment of the present disclosure, by installing the blade set in the base clamp block set, and then setting the base clamp block set in the locking device, through The locking device clamps and locks the clamping block set of the base and the blade set, so as to realize the accurate scribing operation of the piece to be scribed by the blade.

The tooling is mainly composed of a base clamp, a locking device, and a high-hardness blade. The base clamp has a groove with a certain depth for placing a high-hardness blade. There are also sinking grooves on both sides of the groove. Give the blade a certain amount of space to prevent interference fit between the blade and the groove, causing the blade to be stuck in the groove and cannot move. Both the base clamp block and the blade have a certain thickness, and the thickness directions of the two match each other to complete the step of marking the gauge distance of the specified scale sample.

The marking tool provided by this solution has the characteristics of small size, low cost, and easy to carry to a variety of application environments; when it is actually applied to the gauge marking scene, its work efficiency is higher, and the average marking time of each sample is It is only about 1s, compared with most equipment in the industry, the marking time is reduced by 2s/root; at the same time, the present invention has the characteristics of a wide coverage of the gauge line, and the traditional marking equipment cannot completely cover the test line when marking the gauge line. sample working section, leading to the phenomenon that effective samples are greatly reduced. The present invention can cover more than 90% of the sample working section when marking the gauge length, and double the test accuracy; when the present invention is actually applied to the marking process, it can The process of adjusting the length of the gauge line is completed by adjusting the thickness of the clamp or increasing or decreasing the number. It is easy to operate, fast in line speed, strong in execution, and higher in precision; at the same time, it has a simple structure and easy assembly, which is convenient for timely disassembly for accuracy adjustment. maintainance.

It should be noted that some embodiments of the present disclosure are described above. Other implementations are within the scope of the following claims. In some cases, the actions or steps recited in the claims can be performed in an order different from those in the above-described embodiments and still achieve desirable results. In addition, the processes depicted in the accompanying figures do not necessarily require the particular order shown, or sequential order, to achieve desirable results. Multitasking and parallel processing are also possible or may be advantageous in certain embodiments.

Those of ordinary skill in the art should understand that: the discussion of any of the above embodiments is exemplary only, and is not intended to imply that the scope of the present disclosure (including claims) is limited to these examples; under the idea of the present disclosure, the above embodiments or Combinations between technical features in different embodiments are also possible, steps may be implemented in any order, and there are many other variations of the different aspects of the disclosed embodiments as described above, which are not provided in detail for the sake of brevity.

The disclosed embodiments are intended to embrace all such alterations, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the embodiments of the present disclosure shall fall within the protection scope of the present disclosure.

Claims (10)

1. A metal material marking tool for tensile properties test, its characterized in that includes:

the locking device is a clamping structure with adjustable spacing;

the base clamping block group comprises a plurality of clamping blocks, and each clamping block is mutually attached;

the blade set comprises a plurality of blades and is fixed on the base clamping block set;

the base clamping block group is located on the locking device along the clamping direction of the locking device, the blade group is fixed on the base clamping block group, and the blade group is clamped and fixed by the base clamping block group along the clamping direction.

2. The metallic material scribing tool as in claim 1, wherein the locking device comprises two locking blocks and two telescopic rods, the locking blocks being capable of sliding relative to the telescopic rods;

the two locking blocks are arranged in parallel, the two telescopic rods are arranged in parallel, and a hollow rectangular frame structure is formed between the locking blocks and the telescopic rods.

3. The metal material scribing tool as in claim 2, wherein the direction of the telescopic rod is a clamping direction, and the rectangular frame between the locking block and the telescopic rod is a locking groove for installing the base clamping block group.

4. The metallic material scribing tool as in claim 2, wherein two clamping blocks at the extreme edges of the base clamping block group are attached to the locking blocks of the locking device.

5. The metallic material scribing tool as in claim 1, wherein the locking block and the telescopic rod are connected and locked by a fastening nut.

6. The metal material scribing tool as in claim 1, wherein the clamping blocks are rectangular block structures provided with mounting grooves, and each clamping block is arranged in a same-direction lamination mode.

7. The metal material scribing tool as in claim 6, wherein the mounting groove is a rectangular groove, and two sides of the mounting groove are provided with limiting protrusions.

8. The metal material scribing tool as in claim 7, wherein the blades are placed in the mounting grooves between every two clamping blocks, and the side walls of the blades are limited by the limiting protrusions and the clamping blocks.

9. The metallic material scoring tooling of claim 6, wherein the structure of the blade at the end disposed in the mounting slot corresponds to the structure of the mounting slot such that the blade is positioned in the mounting slot.

10. The metallic material scribing tool as recited in claim 6, wherein an end of the blade facing away from the mounting slot is formed with a scribing groove for placing a piece to be scribed.

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