CN212872035U

CN212872035U - Hardness tester for detecting precision stamping parts

Info

Publication number: CN212872035U
Application number: CN202021822340.XU
Authority: CN
Inventors: 雷周斌; 刘持朋; 杨建�
Original assignee: Chongqing Zhongxu Precision Electronics Co ltd
Current assignee: Chongqing Zhongxu Precision Electronics Co ltd
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2021-04-02
Anticipated expiration: 2030-08-27

Abstract

The utility model relates to the technical field of workpiece detection, in particular to a hardness tester for detecting precision stamping parts, which comprises a machine body, wherein the machine body comprises an integrally formed base, a vertical arm and a top beam, a rotary wheel is arranged on the upper end surface of the front side of the base, a lifting lead screw is fixed on the inner wall of the rotary wheel, the outer wall of the lifting lead screw is provided with a multi-stage lead screw protective sleeve, a carrying platform is arranged at the top end of the lifting lead screw, an electromagnet structure is arranged at the lower end of the carrying platform, the vertical arm is arranged on the upper end of the rear side of the base, and a variable; a main shaft seat is arranged on the lower end face of the vertical arm, a main shaft is arranged in the main shaft seat, and a pressure head is fixedly arranged at the bottom end of the main shaft through a stop screw; the utility model prevents the position of the precision stamping part from moving during the test, improves the accuracy of the detection, and is simultaneously suitable for fixing precision stamping parts with different sizes and special shapes; meanwhile, the transparent protective cover can slide down, so that hard particles can be prevented from flying out to enter human eyes, and potential safety hazards are eliminated.

Description

Hardness tester for detecting precision stamping parts

Technical Field

The utility model relates to a work piece detects technical field, concretely relates to precision stamping workpiece detects uses hardness tester.

Background

The stamping part is a forming processing method which applies external force to plates, strips, pipes, profiles and the like by a press and a die to cause the plates, the strips, the pipes, the profiles and the like to generate plastic deformation or separation so as to obtain the stamping part with required shape and size. For example, a large number of precision stamping parts are used in electronic product parts such as computers and mobile phones, the precision stamping parts are usually sprayed with paint on the outer surfaces during production, a hardness tester is a special instrument for measuring the surface hardness of materials, and hardness testers are divided into a desk type hardness tester and a portable type hardness tester, wherein the desk type hardness tester is mainly used in laboratories and has the advantage of high precision.

Utility model as application number CN201721685702.3 discloses a hardness tester, includes: a hardness tester body; an object stage for placing a sample is fixed on the tester body; the fixing component is fixed on the object stage and used for fixing the irregular sample on the object stage; the fixing assembly includes: a first plate detachably mounted on the stage for carrying the sample; at least two clamping blocks which are movably assembled at the top of the first plate body and are used for clamping or unclamping a sample after being mutually close to or far away from each other; the abutting piece is movably assembled on the side surface of the first plate body, is close to or far away from each other and is used for abutting or releasing the sample; the fixing component is fixed on the objective table and used for fixing the sample on the objective table, and when the fixing component is used, the sample can be fixed on the objective table, so that the detection accuracy is improved; however, the utility model still has some disadvantages, such as: the fixing process of the sample is very complicated, and the sample fixing device is not suitable for fixing different small and special-shaped samples; during hardness testing, hard particles often fly out to enter human eyes, and potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

The utility model discloses fixed process to the background art provides is very loaded down with trivial details, and is not suitable for and carries out the problem of fixing to the little and special-shaped sample of difference to and often there is the stereoplasm granule departure to get into the people's eye during the hardness test, has the problem of potential safety hazard, has designed a precision stamping workpiece and has detected and use hardness tester.

The utility model discloses a realize through following technical scheme:

a hardness tester for detecting a precision stamping part comprises a machine body, wherein the machine body comprises a base, a vertical arm and a top beam which are integrally formed, a power socket and a power switch are installed on the right side wall of the base, a serial communication interface and a printer are installed on the left side wall of the base, a rotary wheel is installed on the upper end face of the front side of the base, a lifting lead screw is fixed on the inner wall of the rotary wheel, a multi-stage lead screw protective sleeve is arranged on the outer wall of the lifting lead screw, a carrying platform is installed at the top end of the lifting lead screw, an electromagnet structure is installed at the lower end of the carrying platform, the vertical arm is arranged at the upper end of the rear side of the base, and a variable-; the back timber set up in the top of founding the arm, the display screen is installed to the preceding lateral wall of founding the arm, the lower terminal surface of founding the arm installs the spindle drum, the internally mounted of spindle drum has the main shaft, the bottom of main shaft has the pressure head through only holding screw fixed mounting.

As a further improvement of the above scheme, the electromagnet structure includes a plurality of iron cores and a conductive wire, the iron cores are uniformly distributed on the lower end surface of the loading platform, and the conductive wire is sequentially wound on the outer wall of each iron core in series.

As a further improvement of the scheme, a battery box and a button switch are further installed at the lower end of the carrying platform, a charging connector is arranged at the bottom of the battery box, a storage battery is arranged in the battery box, the positive pole of the storage battery is connected with one end of the conducting wire, and the button switch is further connected between the negative pole of the storage battery and the other end of the conducting wire.

As a further improvement of the scheme, the left side wall and the right side wall of the top beam are both provided with sliding grooves, sliding blocks are arranged inside the sliding grooves in a sliding mode, and transparent protective covers are jointly arranged outside the sliding blocks.

As a further improvement of the scheme, the sliding groove consists of a transverse groove, a vertical groove and an arc-shaped groove, and the arc-shaped groove is connected between the transverse groove and the vertical groove.

As a further improvement of the scheme, the two sliding blocks are fixed at the top end of the inner wall of the transparent protection cover.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, the electro-magnet structure includes conductor wire and a plurality of iron core, a plurality of iron core evenly distributed and cargo platform's lower terminal surface, the conductor wire is established ties in proper order and twines in the outer wall of each iron core, after the conductor wire circular telegram, the iron core can be magnetized by the magnetic field, thereby all iron cores all have magnetism, the iron core is fixed in cargo platform and ferromagnetic substance and is supported by ferromagnetic substance, thereby whole cargo platform has magnetism, when carrying out the hardness test, thereby cargo platform has magnetism and can attracts the accurate stamping workpiece, prevent that the position of accurate stamping workpiece from taking place to move when the test, improve the accuracy that detects, be applicable to simultaneously and fix not unidimensional and dysmorphism accurate stamping workpiece, only need the operating button switch, can control cargo platform and whether have magnetism.

2. The utility model discloses in, the spout has all been seted up to the left and right lateral wall of back timber, and transparent safety cover accessible slider slides along the direction of spout, and when the top of transparent safety cover slided the lower extreme in perpendicular groove, just can shelter from main shaft and pressure head, and then can prevent that stereoplasm granule fly out gets into the people's eye during the test, has eliminated the potential safety hazard.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of a first-view perspective structure of the present invention;

fig. 2 is a schematic view of a second perspective three-dimensional structure of the present invention;

FIG. 3 is a schematic structural view of the structure of the electromagnet of the present invention;

FIG. 4 is a schematic view of the connection between the middle rotary wheel and the lifting screw of the present invention;

FIG. 5 is a schematic view of the transparent protective cover of the present invention in use;

FIG. 6 is a schematic view of the transparent protective cover of the present invention when not in use;

fig. 7 is a schematic structural view of the transparent protective cover of the present invention.

The automatic printing machine comprises a machine body 1, a base 101, a base 102, a vertical arm 103, a top beam, a power socket 2, a power switch 3, a serial communication interface 4, a printer 5, a rotary wheel 6, a lifting lead screw 7, a sliding chute 8, a transverse groove 801, a vertical groove 802, an arc groove 803, an electromagnet structure 901, a conductive wire 902, an iron core 903, a battery box 904, a button switch 904, a storage battery 905, a multi-stage lead screw protective sleeve 10, an object carrying platform 11, a variable-load hand wheel 12, a display screen 13, a spindle seat 14, a spindle 15, a pressure head 16, a sliding block 17 and a transparent protective cover 18.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all 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 application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the invention and its embodiments, and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in the present invention can be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The present invention will be further explained with reference to the accompanying drawings.

A hardness tester for detecting a precision stamping part is shown in figures 1, 2 and 4 and comprises a machine body 1, wherein the machine body 1 comprises a base 101, a vertical arm 102 and a top beam 103 which are integrally formed, a power socket 2 and a power switch 3 are installed on the right side wall of the base 101, a serial communication interface 4 and a printer 5 are installed on the left side wall of the base 101, a rotary wheel 6 is installed on the upper end face of the front side of the base 101, a lifting lead screw 7 is fixed on the inner wall of the rotary wheel 6, a multi-stage lead screw protective sleeve 10 is arranged on the outer wall of the lifting lead screw 7, a carrying platform 11 is installed at the top end of the lifting lead screw 7, an electromagnet structure 9 is installed at the lower end of the carrying platform 11, the vertical arm 102 is arranged at the upper end of the rear side; the top beam 103 is arranged at the top end of the vertical arm 102, the display 13 is mounted on the front side wall of the vertical arm 102, the spindle seat 14 is mounted on the lower end surface of the vertical arm 102, the spindle 15 is mounted inside the spindle seat 14, and the pressure head 16 is fixedly mounted at the bottom end of the spindle 15 through a stop screw.

The utility model discloses a working process does: firstly, the power socket 2 is connected with a power supply, the power switch 3 is in a closed state, and the serial communication interface 4 is connected with an external computer; then, the surface of the precision stamping part is ensured to be flat and smooth without pollutants, pits, obvious processing traces and the like; then placing the precision stamping part on the upper surface of the loading platform 11; and then, manually rotating the rotary wheel 12 until the precision stamping part contacts the pressure head 16, pressing the precision stamping part into the surface of the sample under the sequential action of the primary test force and the main test force, keeping for a period of time, then removing the main test force, and keeping the primary test force, wherein the result calculated by the singlechip control system can be visually read by the display screen 13, and the test result can be sent to an external computer or printed by the printer 5.

Example one

As shown in fig. 3, the electromagnet structure 9 includes a conductive wire 901 and 4 iron cores 902, the 4 iron cores 902 are uniformly distributed on the lower end surface of the loading platform 11, and the conductive wire 901 is sequentially wound on the outer wall of each iron core 902 in series; battery case 903 and button switch 904 are still installed to objective platform 11's lower extreme, and battery case 903 bottom is equipped with the joint that charges, and battery case 903 is inside to be equipped with battery 905, and battery 905's positive pole is connected with the one end of conductor wire 901, still is connected with button switch 904 between battery 905's negative pole and the other end of conductor wire 901.

This embodiment is when using, conductor line 901 circular telegram back, iron core 902 can be magnetized by magnetic field, thereby all iron cores 902 all have magnetism, iron core 902 is fixed in that objective platform 11 and ferromagnetic substance are supported by ferromagnetic substance, thereby whole objective platform 11 has magnetism, when carrying out the hardness test, objective platform 11 has magnetism thereby can attract precision stamping workpiece, prevent that precision stamping workpiece position when the test from taking place to move, improve the accuracy that detects, only need operating button switch 904, can control objective platform 11 whether have magnetism, and is simple in operation.

Example two

On the basis of the embodiment 1, as shown in fig. 5 to 7, the left and right side walls of the top beam 103 are both provided with the sliding grooves 8, the sliding blocks 17 are slidably mounted inside the sliding grooves 8, and the transparent protective covers 18 are mounted outside the two sliding blocks 17. The sliding groove 8 is composed of a horizontal groove 801, a vertical groove 802 and an arc groove 803, and the arc groove 803 is connected between the horizontal groove 801 and the vertical groove 802; two sliders 17 are fixed to the top end of the inner wall of the transparent protective cover 18.

This embodiment is when using, when the top of transparent protection cover 18 slides to the lowermost end of erecting groove 802, just can shelter from main shaft 15 and pressure head 16, and then can prevent that hard particle fly out from getting into the people's eye during the test, has eliminated the potential safety hazard, and transparent protection cover 18 also can not block the sight. When the top end of the transparent protection cover 18 slides to the leftmost end of the transverse groove 801, the transparent protection cover 18 can be placed on the top end of the top beam 103, which is very practical.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

In addition, the utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece can all be customized according to the record of description and attached drawing, and the concrete connected mode of each part all adopts conventional means such as mature bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt among the prior art, conventional model, and circuit connection adopts conventional connected mode among the prior art, and the details are not repeated here, and the content that does not make detailed description in this description belongs to the prior art that skilled person in this field knows.

Claims

1. The utility model provides a precision stamping workpiece detects uses hardness tester, includes organism (1), its characterized in that: the machine body (1) comprises a base (101), a vertical arm (102) and a top beam (103) which are integrally formed, a power socket (2) and a power switch (3) are installed on the right side wall of the base (101), a serial communication interface (4) and a printer (5) are installed on the left side wall of the base (101), a rotary wheel (6) is installed on the upper end face of the front side of the base (101), a lifting lead screw (7) is fixed on the inner wall of the rotary wheel (6), a multi-stage lead screw protective sleeve (10) is arranged on the outer wall of the lifting lead screw (7), an object carrying platform (11) is installed at the top end of the lifting lead screw (7), an electromagnet structure (9) is installed at the lower end of the object carrying platform (11), the vertical arm (102) is arranged at the upper end of the rear side of the base (101), and a variable-load hand wheel (12) is arranged; top beam (103) set up in the top of standing arm (102), display screen (13) are installed to the preceding lateral wall of standing arm (102), spindle drum (14) are installed to the lower terminal surface of standing arm (102), the internally mounted of spindle drum (14) has main shaft (15), there is pressure head (16) bottom of main shaft (15) through holding screw fixed mounting.

2. The precision stamping part hardness tester as claimed in claim 1, wherein: the electromagnet structure (9) comprises a conductive wire (901) and a plurality of iron cores (902), the iron cores (902) are uniformly distributed on the lower end face of the object carrying platform (11), and the conductive wire (901) is sequentially wound on the outer wall of each iron core (902) in series.

3. The precision stamping part hardness tester as claimed in claim 2, wherein: battery case (903) and button switch (904) are still installed to the lower extreme of objective platform (11), battery case (903) bottom is equipped with the joint that charges, battery case (903) inside is equipped with battery (905), the anodal of battery (905) with the one end of conductor wire (901) is connected, the negative pole of battery (905) with still be connected with between the other end of conductor wire (901) button switch (904).

4. The precision stamping part hardness tester as claimed in claim 1, wherein: spout (8) have all been seted up to the left and right lateral wall of back timber (103), the inside slidable mounting of spout (8) has slider (17), two transparent safety cover (18) are installed jointly to the outside of slider (17).

5. The precision stamping part hardness tester as claimed in claim 4, wherein: the sliding groove (8) is composed of a transverse groove (801), a vertical groove (802) and an arc-shaped groove (803), and the arc-shaped groove (803) is connected between the transverse groove (801) and the vertical groove (802).

6. The precision stamping part hardness tester as claimed in claim 4, wherein: the two sliding blocks (17) are fixed at the top end of the inner wall of the transparent protective cover (18).