CN209841591U - Standard brinell hardness tester - Google Patents
Standard brinell hardness tester Download PDFInfo
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- CN209841591U CN209841591U CN201920417839.3U CN201920417839U CN209841591U CN 209841591 U CN209841591 U CN 209841591U CN 201920417839 U CN201920417839 U CN 201920417839U CN 209841591 U CN209841591 U CN 209841591U
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Abstract
The utility model relates to a standard brinell hardness tester, including the frame, be provided with in the frame by the drive of loading mechanism and the brinell pressure head that can reciprocate, in the frame the downside of brinell pressure head is provided with and is used for the corresponding work piece of treating that the casting die was placed and places the platform, and the work piece is placed the platform and is included cross sliding table, and cross sliding table removes the platform and sets up in the back-and-forth movement platform that removes the platform upper end including removing, removes the platform and removes the actuating mechanism drive by controlling the direction removal, and the back-and-forth. The utility model provides an among the prior art treat through artifical the removal that the casting die changes the big problem of indentation position intensity of labour.
Description
Technical Field
The utility model relates to a standard brinell hardness tester that is used for measuring metal material hardness 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, the experiment platform, pressure head seat and removable pressure head, connect the ball spline on the pressure head seat, 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 a drive ball spline and is the high rigidity lever of perpendicular linear motion, the precision ball that has accurate guider is installed to the other end of lever is vice, 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 problem that current brinell hardness tester exists lies in: the indentation position is changed by manually moving the pressing piece, so that the problems of high labor intensity and easiness in misoperation exist.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a standard brinell hardness tester to treat through artifical the removal among the solution prior art and change the big problem of indentation position intensity of labour.
In order to solve the technical problem, the utility model provides a technical scheme as follows:
the utility model provides a standard brinell hardness tester, includes the frame, is provided with in the frame by the drive of loading mechanism and the brinell pressure head that can reciprocate, in the frame the downside of brinell pressure head is provided with and is used for the corresponding work piece of treating that the casting die was placed and places the platform, and the work piece is placed the platform and is included the cross slip table, and the cross slip table is including moving the platform about and set up in the back-and-forth movement platform that moves the platform upper end about, and the platform is moved actuating mechanism drive by the left-and-.
The shooting device is an industrial camera.
The workpiece placing table further comprises a rotary table which is rotatably assembled on the front-back moving table, the rotation axis of the rotary table is arranged along the vertical direction, a workpiece placing groove for positioning and placing the part to be pressed is formed in the rotary table, and the rotary table is driven by a rotary table motor.
The cross sliding table comprises a first guide rail for guiding, moving and assembling the left and right moving tables, a vertically-arranged moving table positioning rod is assembled on the lower side of the left and right moving tables through threads, and a plurality of guide rail positioning holes which are used for being independently inserted into the moving table positioning rod in a positioning mode are formed in the first guide rail.
The utility model has the advantages that: during the use, will treat the casting die and place on the platform is placed to the work piece, treat the casting die and exert pressure through the brinell pressure head is down for produce the indentation on treating the casting die, when needing to change the indentation position on treating the casting die, remove the position removal and/or remove the displacement platform through the front and back direction removal actuating mechanism drive and remove and change the position of treating the casting die through left and right direction removal actuating mechanism drive left and right sides platform removal, thereby change the indentation position, compare among the prior art treat through manual movement that the casting die changes the indentation position, convenient and fast more.
Furthermore, the indentation depth information and the position information on the part to be pressed are acquired through the shooting device, the indentation depth information can be used for determining the Brinell hardness value, and the controller can control the corresponding mobile station to move through the indentation position information, so that a proper position is selected for carrying out a new indentation test.
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
An embodiment of a standard Brinell hardness tester is shown in figure 1 ~ 7, and comprises a frame, wherein the frame 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 left and right are arranged on the left and right sides of the workpiece placing table on the base, and a cross beam 15 with the length extending along the left and right direction is fixedly arranged on the top 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, a press head seat 18 is assembled on the straight guide rail 17 in a guiding and moving manner, three Brinell indenters 2 with different diameters are arranged on the press head 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 press head 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 press head seat driving mechanism for driving the press head seat to move back and forth is arranged between the slide rail seat 16 and the press head seat 18, in the embodiment, the press head seat 18 comprises a mounting base plate 5 and a connecting side plate 4 positioned on one side of the slide rail seat, the industrial camera 3 and each Brinell press head 2 are both mounted on the mounting base plate, the press head seat driving mechanism comprises a press head seat driving motor 9 arranged on one side of the slide rail seat, a press head seat ball screw 10 is fixed on a motor shaft of the press head seat driving motor 9, a press head seat screw nut 11 in threaded transmission fit with the press head seat ball screw 10 is arranged on the connecting side plate 4, a press head positioning grating ruler is arranged between the press head seat 18 and the slide rail seat 16, each press head 2 has a pressing station which moves to a position coaxial with the linear motion output rod 13, and the industrial camera 3 also has a station which moves to a position coaxial with, 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 head 2 at the pressure application station is arranged between the slide rail seat 16 and the pressure head seat 18, the positioning mechanism includes pressure head positioning holes respectively arranged on the pressure head seat 18 and corresponding to the industrial camera and each pressure head, 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 pressure head positioning hole to position the industrial camera and the corresponding pressure head at the pressure application station, and the positioning cylinder 22 and the pressure head seat driving motor 9 are respectively installed on two opposite side surfaces of the installation bottom 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 pressing head seat driving mechanism drives a pressing head seat 5 to move linearly, a proper Brinell pressing head 2 is selected to a pressing station, a piston rod of an air cylinder piston rod 21 extends out, the Brinell pressing head 2 is positioned at the pressing station, a loading mechanism drives the pressing head seat to move downwards through a linear action output rod 13, the corresponding pressing head presses the pressing piece, the stress of the pressing head is coaxial with that of a linear action rod, the eccentric load force is avoided, a force sensor for measuring the load force is matched with a loading motor for control, after the pressing is finished and the indentation is generated, the piston rod of the air cylinder piston rod retracts, the pressing head seat driving mechanism drives the pressing head seat to move, the industrial camera is moved to a photographing station, the lens of the industrial camera faces the indentation, 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 pressure head 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 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 (3)
1. The utility model provides a standard brinell hardness tester, includes the frame, is provided with in the frame by the drive of loading mechanism and the brinell pressure head that can reciprocate, in the frame the downside of brinell pressure head is provided with the work piece that is used for the corresponding casting die to place and places the platform, its characterized in that: the workpiece placing table comprises a cross sliding table, the cross sliding table comprises a left moving table and a right moving table and a front and back moving table arranged at the upper end of the left moving table, the left moving table is driven by a left and right moving driving mechanism, and the front and back moving table is driven by a front and back moving driving mechanism.
2. The standard brinell hardness tester of claim 1, wherein: the workpiece placing table further comprises a rotary table which is rotatably assembled on the front-back moving table, the rotation axis of the rotary table is arranged along the vertical direction, a workpiece placing groove for positioning and placing the part to be pressed is formed in the rotary table, and the rotary table is driven by a rotary table motor.
3. The standard brinell hardness tester according to claim 1 or 2, wherein: the cross sliding table comprises a first guide rail for guiding, moving and assembling the left and right moving tables, a vertically-arranged moving table positioning rod is assembled on the lower side of the left and right moving tables through threads, and a plurality of guide rail positioning holes which are used for being independently inserted into the moving table positioning rod in a positioning mode are formed in the first guide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920417839.3U CN209841591U (en) | 2019-03-29 | 2019-03-29 | Standard brinell hardness tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920417839.3U CN209841591U (en) | 2019-03-29 | 2019-03-29 | Standard brinell hardness tester |
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| Publication Number | Publication Date |
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| CN209841591U true CN209841591U (en) | 2019-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920417839.3U Active CN209841591U (en) | 2019-03-29 | 2019-03-29 | Standard brinell hardness tester |
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| CN (1) | CN209841591U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109900585A (en) * | 2019-03-29 | 2019-06-18 | 河南省计量科学研究院 | A kind of standard Brookfield hardometer |
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2019
- 2019-03-29 CN CN201920417839.3U patent/CN209841591U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109900585A (en) * | 2019-03-29 | 2019-06-18 | 河南省计量科学研究院 | A kind of standard Brookfield hardometer |
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