CN107727514B - Be used for neodymium iron boron magnetism body cladding material shearing force testing arrangement - Google Patents
Be used for neodymium iron boron magnetism body cladding material shearing force testing arrangement Download PDFInfo
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- CN107727514B CN107727514B CN201711020917.8A CN201711020917A CN107727514B CN 107727514 B CN107727514 B CN 107727514B CN 201711020917 A CN201711020917 A CN 201711020917A CN 107727514 B CN107727514 B CN 107727514B
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- 238000012360 testing method Methods 0.000 title claims abstract description 79
- 229910001172 neodymium magnet Inorganic materials 0.000 title claims abstract description 20
- 238000010008 shearing Methods 0.000 title claims abstract description 20
- 239000000463 material Substances 0.000 title claims description 50
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 title description 5
- 238000005253 cladding Methods 0.000 title description 2
- 230000005389 magnetism Effects 0.000 title description 2
- 230000007246 mechanism Effects 0.000 claims abstract description 51
- 239000011248 coating agent Substances 0.000 claims abstract description 25
- 238000000576 coating method Methods 0.000 claims abstract description 25
- 239000003638 chemical reducing agent Substances 0.000 claims description 6
- 238000007747 plating Methods 0.000 abstract description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 230000000881 depressing effect Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/24—Investigating strength properties of solid materials by application of mechanical stress by applying steady shearing forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/005—Electromagnetic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/006—Crack, flaws, fracture or rupture
- G01N2203/0067—Fracture or rupture
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0278—Thin specimens
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to a device for testing the shearing force of a plating layer of a neodymium-iron-boron magnet, which comprises: the base is provided with a control device and a display device; the transverse flitch moving module comprises a manual driving device, a transverse moving mechanism connected with the manual driving device and a loading device arranged on the transverse moving mechanism, and the manual driving device can drive the loading device to move in the horizontal direction through the transverse moving mechanism; and the vertical motor module is arranged on the base and comprises an electric driving device and a pressing mechanism connected with the electric driving device, and the electric driving device can drive the pressing mechanism to move at a uniform speed in the vertical direction and form cross shaft movement with the movement of the carrying device in the horizontal direction so as to apply pressure to a magnet placed on the carrying device and complete the shear force test of the magnet coating. The testing device provided by the invention can be used for stably and accurately testing the shearing force of the neodymium-iron-boron magnet coating.
Description
Technical Field
The invention relates to the technical field of shear force testing devices, in particular to a device for testing the coating shear force of a neodymium-iron-boron magnet.
Background
Neodymium iron boron magnets are the most powerful permanent magnets at present, and their shape can be tailored to specific requirements, however, their surface is prone to rust, and some protective surface treatments, such as copper plating, nickel plating, zinc plating, gold plating, epoxy plating, etc., are often required. Coating performance is an important indicator for characterizing coating quality.
There is no device for testing the shearing force of a coating of a neodymium-iron-boron magnet in the current market, in enterprises for producing neodymium-iron-boron magnets, the magnet is usually stuck to an iron plate manually, then a flat iron block is used for leaning against, and a hammer is used for knocking, so that data cannot be measured, and the edge of the magnet is often knocked into pieces easily, and the test cannot be continued.
Therefore, providing a stable and reliable shear force testing device for neodymium-iron-boron magnets is a technical problem to be solved.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention provides a device for testing the shearing force of a plating layer of a neodymium-iron-boron magnet, which comprises: a base; the transverse flitch moving module comprises a manual driving device, a transverse moving mechanism connected with the manual driving device and a loading device arranged on the transverse moving mechanism, and the manual driving device can drive the loading device to move in the horizontal direction through the transverse moving mechanism; the vertical motor module comprises an electric driving device and a pressing mechanism connected with the electric driving device, and the electric driving device can drive the pressing mechanism to move at a uniform speed in the vertical direction and form cross shaft movement with the carrying device in the horizontal direction so as to apply pressure to a magnet placed on the carrying device and complete the shear force test of a magnet coating; the control device is used for controlling the vertical motor module to lift and displaying pressure data on the display device after the shearing force test of the magnet coating is completed.
Further, the pushing mechanism comprises at least two vertical lead screws, a pressure sensor and a pressing block. The at least two vertical screw rods are connected with the electric driving device and are connected through a pressure nut seat. The pressing block is arranged below the pressure nut seat and is used for fixing the pressure sensor between the pressure nut seat and the pressing block.
Further, the vertical motor module further comprises a first supporting device arranged on the base, and the first supporting device is connected with the electric driving device and the pressing mechanism.
Further, at least one vertical sliding rail is arranged on the first supporting device, and the at least one vertical sliding rail is in sliding connection with the pressure nut seat and the pressing block through a first sliding block so that the pressing mechanism can move along the at least one vertical sliding rail.
Further, two vertical sliding rails are arranged on the first supporting device, and the vertical sliding rails are linear sliding rails, so that the pressure nut seat and the pressing block keep linear motion in the vertical direction.
Further, the electric driving device is a stepping motor, and the lower end of the stepping motor is connected with a speed reducer connected with the end part of the vertical screw rod.
Further, the loading device comprises a material plate, a fixed cylinder, a material plate fixing plate and a material plate nut seat, wherein the material plate and the fixed cylinder are fixed on the material plate nut seat, and the material plate fixing plate is arranged on the fixed cylinder.
Further, the lateral movement mechanism comprises a first lateral sliding rail and a second lateral sliding rail. The first transverse sliding rail is arranged on the second supporting device, and is fixedly connected with the flitch nut seat through a second sliding block. The second transverse sliding rail is arranged on the second guard plate and is fixedly connected with the flitch nut seat through a third sliding block.
Further, the first transverse sliding rail and the second transverse sliding rail are linear sliding rails, so that the flitch nut seat keeps linear motion in the horizontal direction.
Further, the lateral movement mechanism further comprises at least one lateral screw rod, and the manual driving device is fixedly connected with the material plate nut seat through the lateral screw rod, so that the material plate nut seat can be laterally moved to the lower part of the vertical motor module and aligned with the pressing mechanism under the control of the manual driving device.
The shear force testing device for the neodymium-iron-boron magnet coating has at least the following advantages:
(1) The testing device disclosed by the invention is based on the electric driving device to enable the pressing mechanism to keep uniform motion, so that the uniformity of the force applied to the magnet placed on the material loading device can be ensured, and the mechanism change of the magnet plating layer is not influenced; on the other hand, the movement of the pressing mechanism of the testing device in the vertical direction and the movement of the carrying device in the horizontal direction form the cross shaft movement, so that the shearing force of different positions of the magnet placed on the carrying device can be tested.
(2) According to the testing device, the two vertical sliding rails are arranged, and the vertical sliding rails are linear sliding rails, so that the pressing block can be kept to linearly move when being pressed down, inclination does not occur, and the measuring accuracy is improved.
(3) According to the testing device, the first transverse sliding rail and the second transverse sliding rail are arranged, so that the material carrying device moves horizontally and is a linear sliding rail, the material carrying device moves linearly in the horizontal direction and does not incline, and the measuring accuracy is further improved.
(4) The testing device can increase torque by adopting the speed reduction stepping motor, thereby ensuring that the testing device can shear the large magnet when testing the large magnet and enlarging the application range of the testing device.
(5) According to the testing device, through the fixing function of the fixed air cylinder, the magnet on the material plate can be prevented from shaking during testing, and a stable magnet coating shearing force testing environment is provided.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a first perspective view of a shear force testing device of the present invention;
FIG. 2 is a second perspective view of the shear force testing device of the present invention;
FIG. 3 is a right side view of the shear force testing device of the present invention;
FIG. 4 is a third perspective view of the shear force testing device of the present invention;
FIG. 5 is a fourth perspective view of the shear force testing device of the present invention.
1-a base in the figure; 2-a hand wheel; 3-a transverse screw rod; 4-a first transverse slide rail; 5-a stepper motor; 6-a speed reducer; 7-a first support means; 8-a control device; 9-a first guard plate; 10-a display device; 11-material plates; 12-fixing a cylinder; 13-a material plate fixing plate; 14-a second transverse slide rail; 15-a third slider; 16-vertical screw rod; 17-a pressure nut seat; 18-a pressure sensor; 19-a second guard; 20-briquetting; 21-a vertical slide rail; 22-a first slider; 23-a second slider; 24-a second support means; 25-a flitch nut seat.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, based on the examples herein, which are within the scope of the invention as defined by the claims, will be within the scope of the invention as defined by the claims.
The invention relates to a shearing force testing device for a neodymium iron boron magnet coating, which comprises a base 1. Preferably, the base 1 is provided with a control device 8 and a display device 10, as shown in fig. 1. The control device 8 and the display device 10 are connected with the vertical motor module. The control device 8 is used for controlling the lifting of the vertical motor module. The display device 10 is used to display shear force data of the tested magnet coating. More preferably, the base 1 may be a bottom plate for supporting the rest of the test device. The invention further provides a device for testing the shearing force of the neodymium iron boron magnet coating, which comprises a transverse material plate moving module. Preferably, the transverse flitch moving module is arranged on the base 1. More preferably, the transverse flitch moving module comprises a manual driving device, a transverse moving mechanism connected with the manual driving device and a loading device arranged on the transverse moving mechanism, wherein the manual driving device can drive the loading device to move in the horizontal direction through the transverse moving mechanism. The invention further provides a device for testing the shearing force of the neodymium-iron-boron magnet coating. Preferably, the vertical motor module is arranged on the base 1. More preferably, the vertical motor module comprises an electric driving device and a pressing mechanism connected with the electric driving device, wherein the electric driving device can drive the pressing mechanism to move in the vertical direction and form cross shaft movement with the carrying device in the horizontal direction so as to apply pressure to a magnet placed on the carrying device and complete the shearing force test of the magnet coating.
According to a preferred embodiment, the electric drive device of the present invention is PLC controlled. Preferably, the control device 8 is electrically connected with and controls the horizontal flitch moving module and the vertical motor module, and the pressure sensor 18 in the vertical motor module is also connected with the display device 10. The testing device disclosed by the invention is based on the fact that the PLC controls the pressing mechanism to keep uniform motion, so that the uniformity of the force applied to the magnet placed on the material loading device can be ensured, and the mechanism change of the magnet plating layer is not influenced; on the other hand, the movement of the pressing mechanism of the testing device in the vertical direction and the movement of the carrying device in the horizontal direction form the cross shaft movement, so that the testing of different positions of the magnet placed on the carrying device can be completed.
Figure 3 shows a right side view of the shear force testing device of the present invention. As shown in fig. 3, the depressing mechanism includes at least two vertical screws 16, a pressure sensor 18, and a pressing block 20. Preferably, at least two vertical screw rods 16 are connected with the electric driving device, and the at least two vertical screw rods 16 are connected through a pressure nut seat 17. More preferably, the press block 20 is disposed below the pressure nut seat 17. The pressure sensor 18 is fixed between the pressure nut seat 17 and the pressure block 20. More preferably, the pressure sensor 18 is fixed between the pressure nut seat 17 and the pressing block 20 by a connection member. The connection element is for example a D8 screw. The pressure sensor 18 of the present invention adopts an S-type pressure sensor with a measuring range of 100 kg. The display device 10 adopts a four-section nixie tube intelligent display instrument to display the pressure peak value. The testing device of the invention can meet the requirement of reading the magnetic plating shearing force by using the wide-range pressure sensor 18 and the pressure display, directly display the pressure change value, and is convenient for test personnel to operate and read data; on the other hand, the testing device of the invention adopts the S-shaped pressure sensor, and can also improve the sensitivity and stability of measurement. The display device 10 of the invention adopts a four-section nixie tube intelligent display instrument to solve the functions of displaying and maintaining test data.
Figure 1 shows a first perspective view of the shear force testing device of the present invention. As shown in fig. 1, the vertical motor module further comprises a first support means 7. Preferably, the first supporting means 7 are provided on the base 1. More preferably, the first supporting device 7 is a vertical plate provided on the base 1, and the first supporting device 7 is fixed on the base 1 through the first guard 9. The first support means 7 is for supporting the electric drive means and the pressing mechanism. As shown in fig. 1, the decelerator 6 is provided on a cross plate connected to the first supporting device 7, and the depressing mechanism is connected to the first supporting device 7 through a first slider 22. The testing device can keep the stability of the vertical motor module structure through the first supporting device 7.
Figure 4 shows a third perspective view of the shear force testing device of the present invention. As shown in fig. 4, the first supporting means 7 is provided with at least one vertical sliding rail 21. Preferably, the at least one vertical sliding rail 21 is slidingly connected to the pressure nut seat 17 and the pressing block 20 by a first slider 22 so that the pushing mechanism can move along the at least one vertical sliding rail 21. More preferably, two vertical sliding rails 21 are provided on the first supporting device 7, and the vertical sliding rails 21 are linear sliding rails, so that the pressure nut seat 17 and the pressing block 20 maintain linear movement in the vertical direction. Preferably, the vertical sliding rail 21 is a protruding block arranged on the first supporting device 7, one surface, contacted with the vertical sliding rail 21, of the first sliding block 22 is provided with a clamping groove matched with the protruding block width of the vertical sliding rail 21, and the first sliding block 22 is clamped on the vertical sliding rail 21 through the clamping groove so as to realize sliding connection with the vertical sliding rail 21. According to the testing device, the two vertical sliding rails 21 are arranged, and the vertical sliding rails 21 are linear sliding rails, so that the pressing block 20 can be kept to linearly move when being pressed down and is not inclined, and the measuring accuracy is improved. The test device can solve the problem of linear motion of the pushing mechanism through the vertical sliding rail 21.
With continued reference to fig. 1, the electric driving device of the present invention is a stepper motor 5, the lower end of the stepper motor 5 is connected with a speed reducer 6, and the speed reducer 6 is also connected with the end of a vertical screw 16. Preferably, the reduction ratio of the speed reducer 6 is 30:1. More preferably, the present invention employs a 57 planetary reduction stepper motor for the power of depression. The driving controller of the invention is Mitsubishi FX3U-16mt. The relation between the motor output torque and the motor rotation speed and power is as follows: t=9550P/n, where T is torque, 9550 is a constant, P is the power of the motor, and n is the rotational speed of the output, and it can be seen that the motor rotational speed is inversely proportional to the torque. The testing device can increase torque by adopting the speed reduction stepping motor, thereby ensuring that the testing device can shear the large magnet when testing the large magnet and enlarging the application range of the testing device.
FIG. 2 illustrates a second perspective view of the shear force testing device of the present invention; FIG. 5 is a fourth perspective view of the shear force testing device of the present invention. As shown in fig. 2 and 5, the loading device of the transverse material plate moving module of the present invention includes a material plate 11, a fixed cylinder 12, a material plate fixed plate 13, and a material plate nut seat 25. Preferably, the material plate 11 and the fixing cylinder 12 are fixed to the material plate nut seat 25, and the material plate fixing plate 13 is mounted on the fixing cylinder 12. Preferably, the present invention controls the retraction of the stationary cylinder 12 by a PLC controlled motor. According to the testing device, through the fixing function of the fixed air cylinder, the magnet on the material plate can be prevented from shaking during testing, and a stable magnet coating shearing force testing environment is provided. According to the loading device, through the fixing effect of the fixed air cylinder 12 and the material plate fixing plate 13, the problem of loading installation can be solved, and the magnets are vertically placed and cannot incline.
Figure 2 shows a second perspective view of the shear force testing device of the present invention. As shown in fig. 1 and 2, the transverse moving mechanism of the transverse flitch moving module of the present invention includes a first transverse slide rail 4 and a second transverse slide rail 14. Preferably, the first transverse sliding rail 4 is disposed on the second supporting device 24, and the first transverse sliding rail 4 is fixedly connected with the flitch nut seat 25 through the second sliding block 23. Preferably, the second transverse slide rail 14 is disposed on the second guard plate 19, and the second transverse slide rail 14 is fixedly connected with the flitch nut seat 25 through the third slider 15. More preferably, the first lateral slide rail 4 and the second lateral slide rail 14 are linear slide rails, so that the flitch nut seat 25 keeps a linear motion in the horizontal direction. According to the testing device, the first transverse sliding rail 4 and the second transverse sliding rail 14 are arranged, the first transverse sliding rail 4 and the second transverse sliding rail 14 enable the material carrying device to horizontally move, and the first transverse sliding rail 4 and the second transverse sliding rail 14 are linear sliding rails, so that the material carrying device can keep linear motion in the horizontal direction and does not incline, and the measuring accuracy is further improved.
According to a preferred embodiment, the second support means 24 are provided on the base 1. Preferably, the second support device 24 is a vertical upright plate provided on the base 1, and the second support device 24 is fixed to the base 1 by at least two guard plates, as shown in fig. 5. Preferably, the first lateral sliding rail 4 is a bump disposed on the second supporting device 24, a surface of the second sliding block 23 contacting with the first lateral sliding rail 4 has a clamping groove matched with the bump width of the first lateral sliding rail 4, and the second sliding block 23 is clamped on the first lateral sliding rail 4 by the clamping groove to realize sliding connection with the first lateral sliding rail 4. Preferably, the second transverse rail 14 is a bump provided on the second guard 19. The second guard 19 is a cross plate provided on the base 1. The surface of the third sliding block 15, which is contacted with the second transverse sliding rail 14, is provided with a clamping groove matched with the bump width of the second transverse sliding rail 14, and the third sliding block 15 is clamped on the second transverse sliding rail 14 by the clamping groove so as to realize sliding connection with the second transverse sliding rail 14.
According to a preferred embodiment, the vertical sliding rail 21 of the testing device of the invention enables the pressing mechanism to move linearly downwards at a uniform speed in the vertical direction, the first transverse sliding rail 4 and the second transverse sliding rail 14 enable the loading device to move linearly in the horizontal direction towards the direction close to the pressing block of the pressing mechanism, so that the pressing mechanism and the loading device form a cross shaft to move, and therefore pressure is applied to a magnet placed on the loading device, and the shearing force testing of a magnet coating is completed.
According to a preferred embodiment, the second transversal slide 14 of the invention may also be called a horizontal slide. The horizontal sliding rail is used as a support for the movement of the material carrying device so as to ensure the stability of the material carrying device in the moving process. Namely, the testing device can ensure that the pressing block is not inclined in the pressing and material plate moving process by arranging the two vertical sliding rails 21 in the vertical direction and arranging the second transverse sliding rail 14 in the horizontal direction, so that the testing accuracy of the testing device is improved.
With continued reference to fig. 1 and 5, the lateral movement mechanism of the lateral web movement module of the present invention further comprises at least one lateral lead screw 3. Preferably, the manual driving device is fixedly connected with the flitch nut seat 25 through the transverse screw rod 3, so that the flitch nut seat 25 can transversely move to the lower part of the vertical motor module and align with the pushing mechanism under the control of the manual driving device. More preferably, the manual driving device of the present invention is a hand wheel 2. The testing device of the invention adopts the transverse screw rod 3 and the transverse sliding rail mechanism at the same time, so that the testing device of the invention can measure the shearing force of a plurality of magnets one by one, and the measuring efficiency is improved.
According to a preferred embodiment, the test device of the invention performs the shear force test of the coating of the neodymium-iron-boron magnet by the following means: after the testing device is electrified, the stepping motor 5 automatically resets the initial position (original point), presses a button of the fixed cylinder 12, loosens the fixed cylinder 12, so that the material plate fixing plate 13 loosens the material plate 11, the magnet is adhered to the material plate 11 by using 502 magnetic material special glue, and after the material plate is completely fixed, the material plate is placed on the material plate nut seat 25, and the control button of the fixed cylinder 12 is pressed to lock the fixed cylinder 12, so that the material plate 11 is fixed. The hand wheel 2 is rotated to adjust the position of the charge 11 so that the magnets are aligned with the compacts 20. The starting button is pressed down, and the stepping motor 5 drives the pressing mechanisms such as the pressing block 20 and the like to move downwards until the magnet is pressed down. Pressing the stop button, the pressure data is displayed on the display device 10, completing the test. The reset button of the control device 8 is pressed, the stepping motor 5 drives the pressing mechanisms such as the pressing block 20 to return to the original point, the hand wheel 2 is rotated to adjust the position of the magnet to be aligned with the pressing block 20, the start button is pressed to start the test, and the above operation is repeated.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (5)
1. A shear force testing device for a coating of a neodymium-iron-boron magnet, comprising: a base (1);
the transverse flitch moving module is arranged on the base (1) and comprises a manual driving device, a transverse moving mechanism connected with the manual driving device and a loading device arranged on the transverse moving mechanism, and the manual driving device can drive the loading device to move in the horizontal direction through the transverse moving mechanism;
the vertical motor module is arranged on the base (1) and comprises an electric driving device and a pressing mechanism connected with the electric driving device, wherein the electric driving device can drive the pressing mechanism to move at a uniform speed in the vertical direction and form cross shaft movement with the material carrying device in the horizontal direction so as to apply pressure to a magnet placed on the material carrying device and complete the shearing force test of a magnet coating;
the control device (8) is used for controlling the vertical motor module to lift and displaying pressure data on the display device (10) after the shearing force test of the magnet coating is completed;
the pressing mechanism comprises at least two vertical screw rods (16), a pressure sensor (18) and a pressing block (20),
at least two vertical screw rods (16) are connected with the electric driving device, and the at least two vertical screw rods (16) are connected through a pressure nut seat (17);
the pressing block (20) is arranged below the pressure nut seat (17) and is used for fixing the pressure sensor (18) between the pressure nut seat (17) and the pressing block (20);
the material loading device comprises a material plate (11), a fixed air cylinder (12), a material plate fixing plate (13) and a material plate nut seat (25), wherein the material plate (11) and the fixed air cylinder (12) are fixed on the material plate nut seat (25), and the material plate fixing plate (13) is arranged on the fixed air cylinder (12);
the vertical motor module further comprises a first supporting device (7) arranged on the base (1), and the first supporting device (7) is connected with the electric driving device and the pressing mechanism;
at least one vertical sliding rail (21) is arranged on the first supporting device (7), and the at least one vertical sliding rail (21) is in sliding connection with the pressure nut seat (17) and the pressing block (20) through a first sliding block (22) so that the pressing mechanism can move along the at least one vertical sliding rail (21);
two vertical sliding rails (21) are arranged on the first supporting device (7), and the two vertical sliding rails (21) are linear sliding rails, so that the pressure nut seat (17) and the pressing block (20) keep linear motion in the vertical direction;
the vertical sliding rail (21) is a protruding block arranged on the first supporting device (7), one surface of the first sliding block (22) contacted with the vertical sliding rail (21) is provided with a clamping groove matched with the protruding block of the vertical sliding rail (21), and the first sliding block (22) is clamped on the vertical sliding rail (21) through the clamping groove and is in sliding connection with the vertical sliding rail (21).
2. The device for testing the coating shearing force of the neodymium iron boron magnet according to claim 1, wherein the electric driving device is a stepping motor (5), and a reducer (6) connected with the end of a vertical screw rod (16) is connected to the lower end of the stepping motor (5).
3. Device for shear testing of a coating of a neodymium-iron-boron magnet according to one of the claims 1 to 2, characterized in that the lateral movement means comprise a first lateral slide (4) and a second lateral slide (14), wherein,
the first transverse sliding rail (4) is arranged on the second supporting device (24), and the first transverse sliding rail (4) is fixedly connected with the material plate nut seat (25) through the second sliding block (23);
the second transverse sliding rail (14) is arranged on the second guard plate (19), and the second transverse sliding rail (14) is fixedly connected with the material plate nut seat (25) through a third sliding block (15).
4. A shear force testing device for a neodymium-iron-boron magnet coating according to claim 3, characterized in that the first transverse slide (4) and the second transverse slide (14) are linear slide, such that the flitch nut seat (25) is kept in a linear motion in a horizontal direction.
5. The shear force testing device for a neodymium-iron-boron magnet coating according to claim 4, wherein the lateral movement mechanism further comprises at least one lateral screw (3), and the manual driving means is fixedly connected with the flitch nut seat (25) by the lateral screw (3) such that the flitch nut seat (25) can be moved laterally under the vertical motor module and aligned with the pressing mechanism under the control of the manual driving means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN109100222B (en) * | 2018-07-24 | 2020-05-19 | 大连理工大学 | Automatic calibration device for clamp rigidity and use method thereof |
| CN109342219B (en) * | 2018-10-10 | 2021-02-09 | 中国航发北京航空材料研究院 | Coating shear strength testing arrangement |
| CN112179780B (en) * | 2020-09-27 | 2022-08-16 | 江西荧光磁业有限公司 | Blank inspection device suitable for neodymium iron boron magnet and implementation method thereof |
| CN112964576B (en) * | 2021-02-19 | 2023-05-12 | 山东英信计算机技术有限公司 | Shear force test fixture and vertical tensile material testing machine that draws |
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