CN209745744U - Brinell hardness tester standard machine - Google Patents
Brinell hardness tester standard machine Download PDFInfo
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- CN209745744U CN209745744U CN201920418725.0U CN201920418725U CN209745744U CN 209745744 U CN209745744 U CN 209745744U CN 201920418725 U CN201920418725 U CN 201920418725U CN 209745744 U CN209745744 U CN 209745744U
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- slide rail
- rail seat
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- hardness tester
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Abstract
The utility model relates to a brinell hardness tester standard machine, including the frame, be provided with the slide rail seat that can reciprocate by the drive of loading mechanism in the frame, be provided with the straight guide rail that direction extends along the horizontal direction on the slide rail seat, the direction removes on the straight guide rail and is equipped with the mount pad, has arranged the brinell pressure head side by side on the mount pad and has shot the device, is provided with the reciprocal linear motion's of drive mount pad actuating mechanism between slide rail seat and the mount pad. The utility model provides an among the prior art artifical problem that intensity of labour that the indentation degree of depth leads to is big of observing through the microscope eyepiece.
Description
Technical Field
the utility model relates to a brinell hardness tester standard machine for being directed at metal material hardness detection and standard hardness piece measurement calibration.
Background
The Brinell hardness tester is mainly used for hardness measurement of materials such as cast iron, steel, nonferrous metal, soft alloy and the like, and the Brinell hardness test is a test method with the largest indentation in all hardness tests, can reflect the comprehensive performance of the materials, is not influenced by microsegregation of sample structures and uneven components, and is a hardness test method with higher precision. Typically, a brinell hardness tester is calibrated with a standard hardness block, and a brinell hardness tester capable of calibrating a standard hardness block is referred to as a brinell hardness tester standard machine or standard brinell hardness tester.
Present brinell hardness tester is like the "novel high accuracy electrodynamic type electron brinell hardness tester" that chinese patent CN101587050A discloses, this brinell hardness tester includes the organism of C type, experiment platform, mount pad and removable pressure head, connect the ball spline on the mount pad, suit reset spring on the ball spline, pressure sensor is connected on the upper portion of ball spline, a high rigidity platform is connected on pressure sensor's upper portion, a high rigidity platform is connected to high rigidity platform, the high rigidity lever that vertical direction linear motion was done to drive ball spline, the precision ball that has accurate guider is installed to the other end of lever is vice, the ball is vice by servo motor drive.
during the use, will treat that experimental work piece or standard hardness piece are placed on the experiment platform, treat that experimental work piece and standard hardness piece can be collectively called and treat the casting die, the casting die is treated to the pressure head and exert pressure, pressure sensor measures the pressure that the pressure head received and is the pressure that the pressure head gave the casting die, after exerting pressure, manual movement treats the casting die, the pressure head presses another position, after exerting pressure many times like this, through the artifical degree of depth of observing the indentation through the microscope, judge the hardness of treating the casting die. The problems with the existing brinell hardness tester are: the method for manually observing the indentation depth has the disadvantages of high manual labor intensity, high requirement on operation experience of operators and capability of causing the situation of depth misjudgment by a little carelessness.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a brinell hardness tester standard machine to solve among the prior art artifical problem that intensity of labour that the indentation degree of depth leads to is observed through the microscope eyepiece.
In order to solve the technical problem, the utility model provides a technical scheme as follows:
The Brinell hardness tester standard machine comprises a frame, wherein a slide rail seat driven by a loading mechanism and capable of moving up and down is arranged on the frame, a straight guide rail extending along the horizontal direction in the guide direction is arranged on the slide rail seat, a mounting seat is assembled on the straight guide rail in the guide movement manner, a Brinell pressure head and a shooting device are arranged on the mounting seat side by side, and a mounting seat driving mechanism for driving the mounting seat to move linearly in a reciprocating manner is arranged between the slide rail seat and the mounting seat.
The shooting device is an industrial camera which is vertically arranged.
The frame includes the base, sets up left stand, right stand on the base and be fixed in the crossbeam that the length at left stand, right stand top extended along left right direction, loading mechanism set up in on the crossbeam, the slide rail seat slope is arranged between left stand, right stand.
the front end of the slide rail seat protrudes forwards from the front side of the right upright post, and the rear end of the slide rail seat protrudes backwards from the rear side of the left upright post.
The loading mechanism is provided with a linear motion output rod capable of moving up and down, the slide rail seat is arranged at the bottom of the linear motion output rod, the Brinell indenter is provided with a pressure applying station which moves to a position coaxial with the linear motion output rod in the moving process, and the shooting device is provided with a shooting station which moves to a position coaxial with the linear motion output rod in the moving process.
The slide rail seat with be provided with between the mount pad and be used for being located the station of exerting pressure, will shoot the positioning mechanism of device location in the station of shooing with corresponding brinell pressure head, positioning mechanism is including setting up the locating hole that corresponds with pressure head and shooting device position respectively on the mount pad, positioning mechanism still including vertical arrange in location cylinder on the slide rail seat, location cylinder has the cylinder piston rod that is arranged in stretching into corresponding locating hole.
The utility model has the advantages that: when the device is used, the mounting seat can reciprocate along the straight guide rail under the driving of the mounting seat driving mechanism, when a workpiece to be tested or a standard hardness block needs to be waited for pressing the pressing piece, the mounting seat drives the Brinell pressure head to move to the position above the pressing piece to be tested, the loading mechanism drives the Brinell pressure head to move downwards to press the pressing piece, after the pressing is finished, the loading mechanism drives the Brinell pressure head to move upwards, the mounting seat driving mechanism drives the mounting seat to move, the mounting seat drives the shooting device to move to the position above the pressing piece to be tested, the shooting device is used for shooting the pressing piece to obtain the depth information of the indentation, compared with the prior art, the pressing piece to be tested is.
furthermore, the slide rail seat is obliquely arranged between the left upright post and the right upright post, the front end of the slide rail seat protrudes forwards from the front side of the right upright post, and the rear end of the slide rail seat protrudes backwards from the rear side of the left upright post, so that the slide rail seat is ensured to have enough length, and the width of the whole machine is ensured to be arranged too wide.
Furthermore, the pressure heads are all kept at the positions coaxial with the linear motion output rod on the pressure applying station, so that when the linear motion output rod applies pressure to a to-be-pressed test piece through the pressure heads, the problem of unbalance loading cannot occur, and the force measuring precision of the force sensor is ensured; when the shooting device shoots the indentation, the shooting device can be positioned right above the indentation, so that the problem of depth information error caused by oblique shooting is avoided.
Drawings
Fig. 1 is a schematic structural view of an embodiment of the present invention;
FIG. 2 is a rear view of FIG. 1;
FIG. 3 is a perspective view of FIG. 2;
FIG. 4 is a top view of FIG. 1;
FIG. 5 is a side view of FIG. 1;
FIG. 6 is an enlarged view taken at A in FIG. 1;
Fig. 7 is a schematic structural view of the workpiece placing table of fig. 1.
Detailed Description
Examples of Brinell hardness tester machines are shown in FIGS. 1-7: the machine comprises a rack, wherein the rack comprises a base 20, a workpiece placing table 6 is arranged on the base 20, a left upright post 7 and a right upright post 19 which are arranged in parallel from left to right are arranged on the left side and the right side of the workpiece placing table on the base, and a cross beam 15 with the length extending along the left-right direction is fixedly arranged at the tops of the left upright post 7 and the right upright post 19.
The loading mechanism is arranged on the cross beam and comprises a loading motor 14 and a linear motion output rod 13, the loading motor 14 is horizontally arranged, the linear motion output rod can move up and down in a horizontal mode, the linear motion output rod is a screw rod in the embodiment, the loading motor is in transmission connection with the screw rod through a transmission nut, specifically, the transmission nut and the screw rod are arranged coaxially, a nut transmission bevel gear is arranged on the periphery of the transmission nut, a motor shaft of the loading motor 14 is provided with a motor shaft transmission bevel gear, the axis of the motor shaft extends in the front-back direction and is in meshing transmission with the nut transmission bevel gear, and the linear motion output rod forms a loading force output. The bottom of the linear motion output rod is fixed with a slide rail seat 16 with a long strip-shaped structure, the slide rail seat 16 is obliquely arranged between the left upright post 7 and the right upright post 19, the front end of the slide rail seat protrudes to the front side of the right upright post 19, and the rear end of the slide rail seat protrudes to the rear side of the left upright post 7. Guide rods 12 are symmetrically arranged on the right front side and the left rear side of the linear motion output rod on the slide rail seat, the guide rod close to the left is called a left guide rod, the guide rod close to the right is called a right guide rod, and a left guide hole and a right guide hole for guiding the upper ends of the left guide rod and the right guide rod to penetrate are formed in the cross beam.
The slide rail seat 16 is provided with a straight guide rail 17 with a guide direction extending along the horizontal direction, the extending direction of the straight guide rail is consistent with the extending direction of the slide rail seat, the straight guide rail 17 is provided with a mounting seat 18 in a guiding and moving manner, three Brinell indenters 2 with different diameters are arranged on the mounting seat in parallel along the guide direction of the straight guide rail, and a force sensor 1 is arranged between each Brinell indenter 2 and the mounting seat 18. An industrial camera 3 is arranged on one side of each Brinell indenter 2 and is arranged in parallel with each indenter, and the axis of the industrial camera 3 extends in the vertical direction. A mounting seat driving mechanism for driving the mounting seat to reciprocate is arranged between the slide rail seat 16 and the mounting seat 18, in the embodiment, the mounting seat 18 comprises a mounting bottom plate 5 and a connecting side plate 4 positioned on one side of the slide rail seat, the industrial camera 3 and each Brinell indenter 2 are both arranged on the mounting bottom plate, the mounting seat driving mechanism comprises a mounting seat driving motor 9 arranged on one side of the slide rail seat, a mounting seat ball screw 10 is fixed on a motor shaft of the mounting seat driving motor 9, a mounting seat screw 11 in threaded transmission fit with the mounting seat ball screw 10 is arranged on the connecting side plate 4, a mounting seat positioning grating ruler is arranged between the mounting seat 18 and the slide rail seat 16, each Brinell indenter 2 is provided with a pressing station which moves to a position coaxial with the linear action output rod 13, and the industrial camera 3 is also provided with a photographing station which moves to a position coaxial with the linear action output rod, the industrial camera may collect depth information and position information of the indentation. In this embodiment, a positioning mechanism for positioning the industrial camera 3 and the corresponding buchner indenter 2 on the pressure applying station is arranged between the slide rail seat 16 and the mounting seat 18, the positioning mechanism includes indenter positioning holes respectively arranged on the mounting seat 18 and corresponding to the industrial camera and each indenter, the positioning mechanism further includes a positioning cylinder 22 vertically arranged on the slide rail seat, the positioning cylinder 22 has a cylinder piston rod 21 for extending into the corresponding indenter positioning hole to position the industrial camera and the corresponding indenter on the pressure applying station, and the positioning cylinder 22 and the mounting seat driving motor 9 are respectively arranged on two opposite side faces of the mounting base plate.
The workpiece placing table 6 comprises a cross sliding table and a rotating table 24 with a rotating axis extending along the up-down direction, a workpiece placing groove 40 for positioning and placing a workpiece is arranged on the rotating table, the cross sliding table comprises a left-right moving table 27 and a front-back moving table 25 arranged at the upper end of the left-right moving table, a first grating ruler is arranged between the left-right moving table and the front-back moving table, a second grating ruler is arranged between the left-right moving table and the base, the left-right moving table is driven by a left-right moving driving mechanism, the front-back moving table is driven by a front-back moving driving mechanism, in the embodiment, the left-right moving driving mechanism and the front-back moving driving mechanism are both a sliding table driving motor 28 and a screw nut matching type driving mechanism (fig. 7 shows an angle, the sliding table driving motor of the front, the lead screw is connected with the nut in a transmission way, the lead screw is fixed on a motor shaft of a driving motor of the corresponding sliding table, item 29 in the figure shows a first guide rail for guiding, moving and assembling the left and right moving tables, the first guide rail is fixed on the base, item 26 shows a second guide rail for guiding, moving and assembling the front and back moving tables, and the second guide rail is fixed on the left and right moving tables. The turntable is rotatably assembled on the front-back moving table and driven by a turntable motor, a motor shaft of the turntable motor is provided with a small bevel gear of which the axis extends along the front-back direction, and a large bevel gear in meshing transmission with the small bevel gear is coaxially arranged on the turntable. In the figure, item 30 represents a mobile station positioning rod, the mobile station positioning rod 30 is assembled on a left-right mobile station through threads, a plurality of guide rail positioning holes 31 used for being matched with the mobile station positioning rod are arranged on a first guide rail 29, after the left-right mobile station 27 moves in place, the mobile station positioning rod 30 is manually rotated, the mobile station positioning rod 30 can be inserted into the corresponding guide rail positioning holes downwards to realize the position fixation of the left-right mobile station, the Brinell hardness tester standard machine also comprises a controller which is in control connection with a motor of a turntable motor, a left-right movement driving mechanism and a front-back movement driving mechanism, the controller is simultaneously connected with an industrial camera in a sampling way, namely, the data collected by the industrial camera can be transmitted to the controller, the specific control form is that after the industrial camera takes a picture of an indentation, not only the depth information of the indentation can be obtained, but also the, the data of the position information is transmitted to the controller, the depth information and the position information of the indentation can be displayed on the display 8, the controller controls the motors of the left-right direction movement driving mechanism and the front-back direction movement driving mechanism to act, so that the position of the piece to be pressed is changed, the distance between the next indentation and the previous indentation meets the corresponding test requirement, and the grating ruler can reflect the movement distance of the corresponding moving platform and feed back the movement distance to the controller.
when the device is used, a workpiece to be tested or a standard hardness block waiting pressing piece 23 is placed on a turntable, a mounting seat driving mechanism drives a mounting seat 5 to move linearly, a proper Brinell pressure head 2 is selected to a pressing station, a piston rod of an air cylinder piston rod 21 extends out, the Brinell pressure head 2 is positioned at the pressing station, a loading mechanism drives the mounting seat to move downwards through a linear action output rod 13, the corresponding pressure head presses the workpiece, the stress of the pressure head is coaxial with that of a linear action rod, so that no unbalance loading force occurs, a force sensor of the loading force is matched with a loading motor for control, after the pressing is finished, the piston rod of the air cylinder piston rod retracts, the mounting seat driving mechanism drives the mounting seat to move, an industrial camera is moved to a photographing station, the lens of the industrial camera faces the indentation, so that indentation data can be obtained by photographing, and the, therefore, more accurate indentation data can be obtained, and the problem of inaccurate data caused by oblique light is avoided. When needs change indentation position, if the test point that needs is less, only need rotate the carousel can, if the test point that needs is more, then can change the position of treating the casting die through cross slip table and carousel cooperation.
In other embodiments of the present invention: the mechanical positioning mechanism is not needed, and the corresponding pressure head can be positioned at a pressure applying station and the industrial camera can be positioned at a photographing station through the self-positioning function of a screw nut of the mounting seat driving mechanism; the loading mechanism may not be a motor type loading mechanism, for example, a hydraulic cylinder or an electric push rod type loading mechanism, as long as the loading mechanism can drive the slide rail seat to move up and down; the number of the pressing heads can also be set according to the requirement, such as one, two, four or other numbers; the industrial camera for collecting the indentation depth information and the position information can be replaced by other shooting devices, such as a video camera, a scanner and the like; the left-right direction movement driving mechanism and the front-back direction movement driving mechanism can also be matched with a screw nut instead of a sliding table driving motor, for example, the left-right direction movement driving mechanism and the front-back direction movement driving mechanism are driving cylinders or electric push rods, and the corresponding moving table is driven to move through the driving cylinders and the electric push rods; the guide rail positioning hole on the first guide rail is not needed, and the self-locking between the screw rod and the screw nut can be utilized to realize the positioning of the corresponding mobile station.
Claims (6)
1. Brinell hardness tester standard machine, including the frame, its characterized in that: the frame is provided with a slide rail seat driven by a loading mechanism and capable of moving up and down, a straight guide rail with a guide direction extending along the horizontal direction is arranged on the slide rail seat, a mounting seat is assembled on the straight guide rail in a guide movement mode, a Brinell pressure head and a shooting device are arranged on the mounting seat in parallel, and a mounting seat driving mechanism for driving the mounting seat to move linearly in a reciprocating mode is arranged between the slide rail seat and the mounting seat.
2. The Brinell hardness tester standard machine of claim 1, wherein: the shooting device is an industrial camera which is vertically arranged.
3. The Brinell hardness tester standard machine of claim 1 or 2, wherein: the frame includes the base, sets up left stand, right stand on the base and be fixed in the crossbeam that the length at left stand, right stand top extended along left right direction, loading mechanism set up in on the crossbeam, the slide rail seat slope is arranged between left stand, right stand.
4. The Brinell hardness tester standard machine of claim 3, wherein: the front end of the slide rail seat protrudes forwards from the front side of the right upright post, and the rear end of the slide rail seat protrudes backwards from the rear side of the left upright post.
5. The Brinell hardness tester standard machine of claim 3, wherein: the loading mechanism is provided with a linear motion output rod capable of moving up and down, the slide rail seat is arranged at the bottom of the linear motion output rod, the Brinell indenter is provided with a pressure applying station which moves to a position coaxial with the linear motion output rod in the moving process, and the shooting device is provided with a shooting station which moves to a position coaxial with the linear motion output rod in the moving process.
6. The Brinell hardness tester standard machine of claim 5, wherein: the slide rail seat with be provided with between the mount pad and be used for being located the station of exerting pressure, will shoot the positioning mechanism of device location in the station of shooing with corresponding brinell pressure head, positioning mechanism is including setting up the locating hole that corresponds with pressure head and shooting device position respectively on the mount pad, positioning mechanism still including vertical arrange in location cylinder on the slide rail seat, location cylinder has the cylinder piston rod that is arranged in stretching into corresponding locating hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920418725.0U CN209745744U (en) | 2019-03-29 | 2019-03-29 | Brinell hardness tester standard machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920418725.0U CN209745744U (en) | 2019-03-29 | 2019-03-29 | Brinell hardness tester standard machine |
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| Publication Number | Publication Date |
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| CN209745744U true CN209745744U (en) | 2019-12-06 |
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| CN201920418725.0U Active CN209745744U (en) | 2019-03-29 | 2019-03-29 | Brinell hardness tester standard machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109900583A (en) * | 2019-03-29 | 2019-06-18 | 河南省计量科学研究院 | A kind of Brinell hardness tester Standard Machine |
| CN113514356A (en) * | 2021-07-09 | 2021-10-19 | 中国大唐集团科学技术研究院有限公司中南电力试验研究院 | Power station boiler heating surface pipeline hardness detection device and detection method |
-
2019
- 2019-03-29 CN CN201920418725.0U patent/CN209745744U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109900583A (en) * | 2019-03-29 | 2019-06-18 | 河南省计量科学研究院 | A kind of Brinell hardness tester Standard Machine |
| CN113514356A (en) * | 2021-07-09 | 2021-10-19 | 中国大唐集团科学技术研究院有限公司中南电力试验研究院 | Power station boiler heating surface pipeline hardness detection device and detection method |
| CN113514356B (en) * | 2021-07-09 | 2024-05-03 | 中国大唐集团科学技术研究院有限公司中南电力试验研究院 | Device and method for detecting hardness of heating surface pipeline of power station boiler |
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