CN114002098A - Slender shaft body hardness detection auxiliary device and using method thereof - Google Patents
Slender shaft body hardness detection auxiliary device and using method thereof Download PDFInfo
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- CN114002098A CN114002098A CN202111277072.7A CN202111277072A CN114002098A CN 114002098 A CN114002098 A CN 114002098A CN 202111277072 A CN202111277072 A CN 202111277072A CN 114002098 A CN114002098 A CN 114002098A
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- 238000001514 detection method Methods 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000003801 milling Methods 0.000 claims abstract description 20
- 238000003860 storage Methods 0.000 claims description 52
- 238000003825 pressing Methods 0.000 claims description 19
- 239000002994 raw material Substances 0.000 claims description 12
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 238000007542 hardness measurement Methods 0.000 claims description 5
- 238000005498 polishing Methods 0.000 claims description 4
- 229920003225 polyurethane elastomer Polymers 0.000 claims description 3
- 238000003754 machining Methods 0.000 claims description 2
- 238000012360 testing method Methods 0.000 description 11
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000010009 beating Methods 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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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
- G01N3/40—Investigating hardness or rebound hardness
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
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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
- G01N3/02—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
- G01N2203/0058—Kind of property studied
- G01N2203/0076—Hardness, compressibility or resistance to crushing
-
- 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
- G01N2203/0266—Cylindrical specimens
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- Life Sciences & Earth Sciences (AREA)
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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Abstract
The invention discloses a slender shaft body hardness detection auxiliary device and a use method thereof. The adjustable seat assembly can conveniently adjust the position of a part to be detected, the V-shaped seat assembly can also adapt to parts to be detected with different sizes, the hardness detection efficiency is greatly improved, and meanwhile, the milling machine is arranged to process the detection area of the part to be detected, so that the hardness detection accuracy is greatly improved. The device can perform continuous assembly line detection and is suitable for large-scale hardness detection.
Description
Technical Field
The invention belongs to the technical field of hardness testing, and particularly relates to an auxiliary device for hardness testing of a slender shaft body and a using method thereof.
Background
After the mechanical parts are subjected to a performance heat treatment, the hardness values of the mechanical parts are usually tested to determine whether the mechanical parts have qualified properties. The hardness test can be divided into a bulk hardness test and a sampling hardness test according to whether sampling is performed or not. The sampling hardness detection method is that a small sample is sawed from a product, processed into a sample with a specific specification according to national standards or other standards, and then taken to a laboratory for testing, and the main defects of the detection method are as follows: if various products are more in a factory, small samples cut by the saw are easy to be confused. The hardness detection of the body is to directly carry out a hardness detection test on the product body without sawing a small sample, and the main defects of the detection method are as follows: if the size of the product is large, the product cannot be taken to a laboratory for testing, and the precision of the portable mobile hardness testing machine is much lower than that of a fixed hardness testing machine used in the laboratory, so that the conditions of inaccurate testing result, dispersed numerical values and the like often occur.
At present, the mainstream shaft body hardness detection method is to use a portable mobile hardness detector, a portable grinding machine is required to polish and polish a small area on the surface of a product to remove oxide skin generated during heat treatment, so that the hardness area on the surface of the product is smooth and flat as much as possible, and then the portable mobile hardness detector is held by a hand to perform a test on the polished area. However, the portable mobile hardness tester has poor fixity, so the test result is not accurate enough.
Disclosure of Invention
In order to solve the technical problems, the invention provides an auxiliary device for detecting the hardness of a slender shaft body and a using method thereof, which can solve the problem of lower hardness detection precision in the prior art.
The invention is realized by the following technical scheme.
The invention provides an auxiliary device for detecting the hardness of a slender shaft body, which comprises a raw material storage rack assembly, a milling machine seat assembly, a hardness machine storage rack assembly, an adjustable seat assembly and a finished product storage rack assembly, wherein the raw material storage rack assembly is connected with one end of the milling machine seat assembly, the other end of the milling machine seat assembly is connected with one end of the hardness machine storage rack assembly, the adjustable seat assembly is arranged on the hardness machine storage rack assembly, and the other end of the hardness machine storage rack assembly is connected with the finished product storage rack assembly.
Preferably, the adjustable seat assembly comprises a lifting component, a guide pillar, a U-shaped seat, a rotating handle, a screw rod A, a moving seat and a V-shaped seat assembly, wherein the lifting component and the guide pillar are arranged on the hardness machine storage rack assembly, the top of the lifting component is connected with the bottom of the U-shaped seat, the guide pillar penetrates through one side of the U-shaped seat, the rotating handle is arranged on one side of the U-shaped seat, the screw rod A is arranged in the U-shaped seat, one end of the screw rod A is connected with the rotating handle, the top of the U-shaped seat is connected with the moving seat, and the top of the moving seat is connected with the V-shaped seat assembly.
Preferably, the V-arrangement seat assembly, including the V-arrangement seat, screw rod B, screw rod C, the extension tube, the clamp plate, screw rod D, the pressure head, cam depression bar subassembly, V-arrangement seat one side is connected with screw rod B, V-arrangement seat opposite side is connected with screw rod C, V-arrangement seat middle part is the V-arrangement, one side that V-arrangement seat and screw rod B are connected is higher than the one side of being connected with screw rod C, screw rod C stretches into the extension tube from the extension tube bottom and forms the connection, clamp plate one end is connected with screw rod B, screw rod D runs through the clamp plate from the clamp plate middle part, screw rod D leans on the one end of V-arrangement seat to be provided with the pressure head, the extension tube top is provided with screw rod E, screw rod E stretches into and forms the connection in the extension tube, be provided with cam depression bar subassembly on the screw rod E.
Preferably, lifting unit, including the base, T shape screw rod, the rotating head, T shape screw rod stretches into and forms threaded connection in the base, and the rotating head setting is on the base, and T shape screw rod runs through the rotating head and forms the connection, is provided with handle A on the rotating head, and handle A is the distribution of cross and sets up on the rotating head.
Preferably, the lower part of the guide post is provided with a base, and the guide post is connected with the storage rack assembly of the hardness machine through the base.
Preferably, the cam compression bar assembly comprises a U-shaped clamping seat, a handle B, a round nut and a pin shaft, wherein one end of the U-shaped clamping seat is connected with the handle B, the other end of the U-shaped clamping seat is hinged with the round nut through the pin shaft, and the round nut is in threaded connection with the screw E.
Preferably, a gasket is arranged on the pressure head, and the gasket is made of polyurethane rubber.
Preferably, be provided with the stop pin on the base, be provided with spout A on the T shape screw rod, the stop pin runs through base one side and forms threaded connection, and the stop pin stretches into spout A and forms sliding connection.
Preferably, a sliding groove B is formed in the hardness machine storage rack assembly, and roller supports are respectively arranged on the raw material storage rack assembly and the finished product storage rack assembly.
Preferably, the steps include: the method comprises the steps of placing a slender shaft body to be subjected to hardness detection on a raw material storage rack assembly, conveying the slender shaft body to a milling machine seat assembly through a roller support, machining an area for hardness beating on the surface of the slender shaft body by using a milling machine, conveying the slender shaft body to a hardness machine storage rack assembly, adjusting the height of the slender shaft body by adjusting an adjustable seat assembly, using a V-shaped seat assembly as a supporting point for the slender shaft body, beating the hardness of the slender shaft body through the hardness machine to obtain detection data, conveying the slender shaft body to a finished product storage rack assembly, and finishing detection.
The invention has the beneficial effects that:
the adjustable seat assembly can conveniently adjust the position of a part to be detected, the V-shaped seat assembly can also adapt to parts to be detected with different sizes, the hardness detection efficiency is greatly improved, and meanwhile, the milling machine is arranged to process the detection area of the part to be detected, so that the hardness detection accuracy is greatly improved. The device can perform continuous assembly line detection and is suitable for large-scale hardness detection.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic left side view of the adjustable seat assembly of the present invention;
FIG. 3 is a front view of the adjustable seat assembly of the present invention;
FIG. 4 is a schematic structural view of the lift assembly of the present invention;
fig. 5 is a schematic view of a rotary head according to the present invention;
FIG. 6 is a schematic structural view of a storage rack assembly for a hardness machine according to the present invention;
FIG. 7 is a schematic view of the construction of the V-shaped seat assembly of the present invention;
FIG. 8 is a schematic structural view of the region A of the present invention;
FIG. 9 is a schematic structural view of the cam strut assembly of the present invention;
in the figure: 1-raw material storage rack assembly, 2-milling machine seat assembly, 21-milling machine, 3-hardness machine storage rack assembly, 31-chute B, 32-hardness machine, 4-adjustable seat assembly, 41-guide post, 411-base, 42-U-shaped seat, 43-rotating handle, 44-screw A, 45-moving seat, 451-screw sleeve, 46-V-shaped seat assembly, 5-finished product storage rack assembly, 6-lifting component, 61-base, 62-T-shaped screw, 63-rotating head, 64-handle A, 65-limit nail, 66-chute A, 7-V-shaped seat assembly, 71-V-shaped seat, 72-screw B, 73-screw C, 74-extension tube, 75-pressing plate, 76-screw D, 77-pressure head, 771-gasket, 78-screw E, 8-cam compression bar component, 81-U-shaped clamping seat, 82-handle B, 83-round nut, 84-pin shaft and 9-roller bracket.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
Example 1:
as shown in fig. 1 to 9, an auxiliary device for detecting hardness of a slender shaft body comprises a raw material storage rack assembly 1, a milling machine seat assembly 2, a hardness machine storage rack assembly 3, an adjustable seat assembly 4 and a finished product storage rack assembly 5, wherein the raw material storage rack assembly 1 is connected with one end of the milling machine seat assembly 2, the other end of the milling machine seat assembly 2 is connected with one end of the hardness machine storage rack assembly 3, the adjustable seat assembly 4 is arranged on the hardness machine storage rack assembly 3, and the other end of the hardness machine storage rack assembly 3 is connected with the finished product storage rack assembly 5.
The adjustable seat assembly 4 comprises a lifting component 6, a guide post 41, a U-shaped seat 42, a rotating handle 43, a screw A44, a moving seat 45 and a V-shaped seat assembly 46, wherein the lifting component 6 and the guide post 41 are arranged on the hardness machine storage rack assembly 3, the top of the lifting component 6 is connected with the bottom surface of the U-shaped seat 42, the guide post 41 penetrates through one side of the U-shaped seat 42, the rotating handle 43 is arranged on one side of the U-shaped seat 42, a groove is formed in the U-shaped seat 42, a screw A44 is arranged in the groove, one end of the screw A44 is connected with the rotating handle 43, the top of the U-shaped seat 42 is connected with a threaded sleeve 451 arranged at the bottom of the moving seat 45, and the top of the moving seat 45 is connected with the V-shaped seat assembly 7. The rotating handle 43 is rotated to drive the screw a44 to rotate, and the moving seat 45 is driven to move within the groove range under the action of the threaded connection.
The adjustable seat assembly 4 and the V-shaped seat assembly 7 are made of 40NCDV7.03 bonded steel or No. 45 quenched and tempered steel.
The V-shaped seat assembly 7 comprises a V-shaped seat 71, a screw B72, a screw C73, a long pipe 74, a pressing plate 75, a screw D76, a pressing head 77 and a cam pressing rod assembly 8, wherein one side of the V-shaped seat 71 is connected with the screw B72, the other side of the V-shaped seat 71 is connected with the screw C73, the middle of the V-shaped seat 71 is V-shaped, when the V-shaped seat is used, a part to be detected (or an elongated shaft body) is placed in the V-shaped position in the middle of the V-shaped seat 71, one side, connected with the screw B72, of the V-shaped seat 71 is higher than one side connected with the screw C73, the screw C73 extends into the long pipe 74 from the bottom end of the long pipe 74 to form threaded connection, one end of the pressing plate 75 is hinged to the top of the screw B72, the screw D76 penetrates through the pressing plate 75 from the middle of the pressing plate 75, one end, close to the V-shaped seat 71, of the screw D76 is provided with the pressing head 77, the pressing head is rotated by rotating the screw D76 to enable the pressing head 77 to move downwards, and the pressing head 77 can clamp the part to be detected; the top of the elongated tube 74 is provided with a screw E78, the screw E78 extends into the elongated tube 74 to form a threaded connection, and the screw E78 is provided with a cam pressure lever assembly 8.
Be provided with stop pin 65 on base 61, be provided with spout A66 on the T shape screw rod 62, stop pin 65 runs through base 61 one side and forms threaded connection, and stop pin 65 stretches into spout A66 and forms sliding connection, and stop pin 65 plays limiting displacement to T shape screw rod 62, prevents that T shape screw rod 62 from deviating from in base 61.
The guide columns 41 are made of 20 # steel with the surface carburized depth of 0.7-1.3mm, the mechanical property of the steel can be enhanced by the arrangement, so that good stability can be kept when the shaft body is fixed by the adjustable seat assembly 4, the service life of the steel can be prolonged, two guide columns 41 are arranged, the lower parts of the guide columns 41 are provided with bases 411, and the guide columns 41 are connected with the hardness machine storage rack assembly 3 through the bases 411. When the lifting assembly 6 drives the U-shaped seat 42 to lift, the end of the U-shaped seat 42 can slide on the guide post 41 to keep the U-shaped seat 42 stable.
The cam compression bar component 8 comprises a U-shaped clamping seat 81, a handle B82, a round nut 83 and a pin shaft 84, wherein one end of the U-shaped clamping seat 81 is connected with the handle B82, the other end of the U-shaped clamping seat 81 is hinged with the round nut 83 through the pin shaft 84, and the round nut 83 is in threaded connection with a screw E78. The cam compression bar component 8 is rotated to drive the screw E78 to rotate, the part of the screw E78 extending into the extension tube 74 is lengthened under the effect of threaded connection, the pressure plate 75 is gradually inclined downwards along with the descending of the height of the cam compression bar component 8 until the part descends to the position where the part to be detected can be fixed, and the V-shaped seat assembly 7 can be better adapted to the parts to be detected with different sizes due to the arrangement.
Be provided with gasket 771 on the pressure head 77, the gasket 771 material is polyurethane rubber, and gasket 771 can make pressure head 77 more stable with being connected of axle body, prevents to skid, also can prevent to produce the mar on the part that awaits measuring.
Be provided with spout B31 on the hardness machine storage rack assembly 3, hardness machine 32, spout B31 is provided with four, and base 411 is connected with two of them, and lifting unit 6 is connected with two other, and spout B31's setting makes adjustable seat assembly 4 can remove in spout B31 within range to the part that awaits measuring that adapts to the difference carries out the hardness test.
Raw and other materials storage rack assembly 1, finished product storage rack assembly 5 are last to be provided with gyro wheel support 9 respectively, and the setting up of gyro wheel support 9 has made things convenient for the part that awaits measuring to remove.
A use method of an elongated shaft body hardness detection auxiliary device comprises the following steps: the slender shaft body (or the part to be detected) to be subjected to hardness detection is placed on the raw material storage rack assembly 1 and is transported to the milling machine seat assembly 2 through the roller support 9, and then an area for hardness polishing is processed on the surface of the part to be detected by the milling machine 21 (the area for hardness polishing is processed by the milling machine, compared with the method that a small area is polished on the surface of a product by a portable grinding machine, the processing effect is better, the smoothness and the flatness of a polished area are more suitable for performing the hardness test, and the accuracy of the detection result is improved). Then the part to be detected is transported to a hardness machine storage rack assembly 3, the height of the part to be detected is adjusted by adjusting an adjustable seat assembly 4, a V-shaped seat assembly 7 is used as a supporting point for the part to be detected, then the part to be detected is subjected to hardness beating through a hardness machine 32 to obtain detection data, then the part to be detected is transported to a finished product storage rack assembly 5, and the detection is finished.
Claims (10)
1. The utility model provides an elongated shaft body hardness testing auxiliary device which characterized in that: the automatic hardness tester comprises a raw material storage rack assembly (1), a milling machine seat assembly (2), a hardness tester storage rack assembly (3), an adjustable seat assembly (4), a finished product storage rack assembly (5), wherein the raw material storage rack assembly (1) is connected with one end of the milling machine seat assembly (2), the other end of the milling machine seat assembly (2) is connected with one end of the hardness tester storage rack assembly (3), the adjustable seat assembly (4) is arranged on the hardness tester storage rack assembly (3), and the other end of the hardness tester storage rack assembly (3) is connected with the finished product storage rack assembly (5).
2. The elongated shaft body hardness detection aid of claim 1, wherein: the adjustable seat assembly (4) comprises a lifting assembly (6), a guide pillar (41), a U-shaped seat (42), a rotating handle (43), a screw A (44), a moving seat (45), a V-shaped seat assembly (46), the lifting assembly (6) and the guide pillar (41) are arranged on a hardness machine storage rack assembly (3), the top of the lifting assembly (6) is connected with the bottom surface of the U-shaped seat (42), the guide pillar (41) penetrates through one side of the U-shaped seat (42), the rotating handle (43) is arranged on one side of the U-shaped seat (42), the screw A (44) is arranged in the U-shaped seat (42), one end of the screw A (44) is connected with the rotating handle (43), the top of the U-shaped seat (42) is connected with the moving seat (45), and the top of the moving seat (45) is connected with the V-shaped seat assembly (7).
3. The elongated shaft body hardness detection aid of claim 2, wherein: the V-shaped seat assembly (7) comprises a V-shaped seat (71), a screw B (72), a screw C (73), a long pipe (74), a pressing plate (75), a screw D (76), a pressing head (77) and a cam pressing rod assembly (8), wherein one side of the V-shaped seat (71) is connected with the screw B (72), the other side of the V-shaped seat (71) is connected with the screw C (73), the middle part of the V-shaped seat (71) is V-shaped, one side of the V-shaped seat (71) connected with the screw B (72) is higher than one side of the V-shaped seat connected with the screw C (73), the screw C (73) extends into the long pipe (74) from the bottom end of the long pipe (74) to form connection, one end of the pressing plate (75) is connected with the screw B (72), the other end of the pressing plate (75) is connected with the screw C (73), the screw D (76) penetrates through the pressing plate (75) from the middle part of the pressing plate (75), and one end, close to the V-shaped seat (71), of the screw D (76) is provided with the pressing head (77), the top of the long connecting pipe (74) is provided with a screw E (78), the screw E (78) extends into the long connecting pipe (74) to form connection, and the screw E (78) is provided with a cam compression bar component (8).
4. The elongated shaft body hardness detection aid of claim 2, wherein: lifting unit (6), including base (61), T shape screw rod (62), rotating head (63), T shape screw rod (62) stretch into base (61) and form threaded connection, and rotating head (63) set up on base (61), and T shape screw rod (62) run through rotating head (63) and form the connection, are provided with handle A (64) on rotating head (63), and handle A (64) are the cross and distribute the setting on rotating head (63).
5. The elongated shaft body hardness detection aid of claim 2, wherein: the lower part of the guide post (41) is provided with a base (411), and the guide post (41) is connected with the hardness machine storage rack assembly (3) through the base (411).
6. An elongated shaft body hardness detection aid as claimed in claim 3, wherein: cam depression bar subassembly (8) is connected with handle B (82) including U-shaped cassette (81), handle B (82), round nut (83), round pin axle (84), U-shaped cassette (81) one end, and U-shaped cassette (81) other end is articulated through round pin axle (84) and round nut (83), and round nut (83) and screw rod E (78) threaded connection.
7. An elongated shaft body hardness detection aid as claimed in claim 3, wherein: a gasket (771) is arranged on the pressure head (77), and the gasket (771) is made of polyurethane rubber.
8. The elongated shaft body hardness detection aid of claim 4, wherein: be provided with stop pin (65) on base (61), be provided with spout A (66) on T shape screw rod (62), stop pin (65) run through base (61) one side and form threaded connection, and stop pin (65) stretch into spout A (66) and form sliding connection.
9. The elongated shaft body hardness detection aid of claim 1, wherein: a sliding groove B (31) is arranged on the hardness machine storage rack assembly (3), and the raw material storage rack assembly (1) and the finished product storage rack assembly (5) are respectively provided with a roller support (9).
10. The use method of the slender shaft body hardness detection auxiliary device in claim 1 comprises the following steps: the method comprises the steps of placing a slender shaft body to be subjected to hardness detection on a raw material storage rack assembly (1), conveying the slender shaft body to a milling machine seat assembly (2) through a roller support (9), machining an area for hardness polishing on the surface of the slender shaft body through a milling machine (21), conveying the slender shaft body to a hardness machine storage rack assembly (3), adjusting the height of the slender shaft body through an adjustable seat assembly (4), using a V-shaped seat assembly (7) as a supporting point for the slender shaft body, polishing the hardness of the slender shaft body through a hardness machine (32) to obtain detection data, conveying the slender shaft body to a finished product storage rack assembly (5), and finishing detection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111277072.7A CN114002098A (en) | 2021-10-29 | 2021-10-29 | Slender shaft body hardness detection auxiliary device and using method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111277072.7A CN114002098A (en) | 2021-10-29 | 2021-10-29 | Slender shaft body hardness detection auxiliary device and using method thereof |
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