CN208968797U - Magnetic-type pressing measuring head - Google Patents
Magnetic-type pressing measuring head Download PDFInfo
- Publication number
- CN208968797U CN208968797U CN201821719545.8U CN201821719545U CN208968797U CN 208968797 U CN208968797 U CN 208968797U CN 201821719545 U CN201821719545 U CN 201821719545U CN 208968797 U CN208968797 U CN 208968797U
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- China
- Prior art keywords
- magnet
- magnetic
- pressing
- connecting column
- gauge
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Abstract
The utility model relates to a kind of measuring head, especially magnetic-type pressing measuring head, including pressing gauge head；It further include connecting column, magnet and attachment base；The pressing gauge head is mounted on the bottom of connecting column；The top of the connecting column is by magnetic-adsorption on magnet；The magnet is fixed on the bottom of attachment base, and the top of the attachment base is connect with load measuring gauge.Magnetic-type pressing measuring head provided by the utility model when by lateral force can free dropping, lateral force will not pass to load measuring gauge, and structure is simple, reliable and stable, pressing gauge head is easy to change, the accuracy of test is good.
Description
Technical field
The utility model relates to a kind of measuring head, especially magnetic-type pressing measuring head.
Background technique
The pressing of product is tested, i.e., replaces human finger or palm to carry out push action to product with machine.Common pressing
There are two types of tests: one is collect the force generated when pressing (including but not limited to press soft product and need with more
Big power, the power etc. that product generates when springing back), it is analyzed it after collecting a certain amount of data, determines whether product closes
Lattice, this is product quality test；Another kind is that the strength of control pressing is definite value, observes product after carrying out push action for a long time
Whether damage, this is durability of product test.
No matter which kind of pressing test is carried out, and load measuring gauge, that is, load cell is all essential.What this class testing was used
Load measuring gauge be pressure type load sensor, it by with some detecting instruments with the use of can it is point-device know outer bound pair it
The strength of application, the strength that power is opposite namely product is subject at this time.One good load measuring gauge can be in a test action
More data are collected, more pairs of engineering staffs' analysis product characteristics of data are more helpful, its price is natural, and when the river rises the boat goes up.Institute
It is necessary for protecting load measuring gauge without any damage in test with engineering staff.Resistance strain gage inside load measuring gauge and
Elastic element is its core component.Gauge head is to be fixedly connected with load measuring gauge when test, we can be when carrying out pressing test
Position limitation protection is carried out to foil gauge on vertical direction, undertakes its strength when bearing the shock of vertical direction by limiting, it will not
Foil gauge is passed to, would not also permanent deformation occur and can not normally spring back.
But gauge head such as encounters artificial collision or machine operation troubles during the test and causes gauge head by larger
Lateral force, i.e. radial force when, lateral force suffered by gauge head, which can be directly passed to load measuring gauge, leads to its damage, cause to scrap,
It loses larger.
Utility model content
To solve the above problems, the utility model provide one kind when by lateral force can free dropping, will not be by side
The magnetic-type pressing measuring head of load measuring gauge is passed to power, the specific technical proposal is:
Magnetic-type pressing measuring head, including pressing gauge head；It further include connecting column, magnet and attachment base；The pressing gauge head
It is mounted on the bottom of connecting column；The top of the connecting column is by magnetic-adsorption on magnet；The magnet is fixed on attachment base
Bottom, the top of the attachment base is connect with load measuring gauge.
By using above-mentioned technical proposal, pressing gauge head and connect by magnetic force with magnet, this connection belongs to flexible connection,
When pressing gauge head by lateral force, pressing gauge head can fall off or slide along the surface of magnet, will not pass to lateral force
Load measuring gauge.
Since it is very convenient to replace different pressing gauge heads using magnetic connection.
Preferably, the bottom of the attachment base is equipped with connecting hole, and connecting hole is provided with magnet；It is set at the top of the connecting column
Have locating shaft, locating shaft activity is inserted in connecting hole, and the diameter of the locating shaft and the diameter of connecting hole are consistent, locating shaft it is straight
Diameter is less than the diameter of connecting column.
By using above-mentioned technical proposal, the diameter of locating shaft is slightly less than the diameter of connecting hole, so that locating shaft be facilitated to insert
Enter into connecting hole, usual small 0.02-0.04mm.Locating shaft makes to press gauge head and load measuring gauge coaxial line, avoids pressing
Gauge head is pressed when test to be subjected to displacement, and ensure that the accuracy of detection.
Preferably, the height of the locating shaft is not more than 2mm.
By using above-mentioned technical proposal, when the height of locating shaft is smaller can be guaranteed to press gauge head by lateral force
Free dropping.If it is longer that locating shaft is inserted into the length in connecting hole, locating shaft is easy card when pressing gauge head by lateral force
In connecting hole, cannot freely fall.
Preferably, the magnet is neodymium iron boron strong magnet.
By using above-mentioned technical proposal, the magnetism of strong magnet is strong, and suction is big, can guarantee that press gauge head tests in pressing
In do not fall.
Preferably, the center of the magnet is equipped with counterbore, and magnet is fixed on attachment base by sunk screw.
By using above-mentioned technical proposal, magnet is connected by screw to the reliability that ensure that connection, prevents magnet from falling off.
The top that sunk screw does not influence connecting column is contacted with magnet, to ensure that magnetic force is the largest.
Preferably, the connecting column is to have the top of magnetic iron prop or steel column or connecting column equipped with magnet.
By using above-mentioned technical proposal, could be adsorbed by magnet using having magnetic iron or steel.The top of connecting column
It also can mutually be adsorbed with the magnet on attachment base equipped with magnet.
Preferably, the pressing gauge head is made of engineering plastics.
By using above-mentioned technical proposal, engineering plastics avoid having a adverse impact to pressing test without magnetism, from
And guarantee the accuracy of test.
Preferably, the pressing gauge head is made of POM.
By using above-mentioned technical proposal, POM intensity is good, rigidity is high, elasticity is good, wearability is high, excellent in mechanical performance, with
Metal very close to.
Compared with prior art the utility model has the following beneficial effects:
Magnetic-type pressing measuring head provided by the utility model when by lateral force can free dropping, will not will be lateral
Power passes to load measuring gauge, and structure is simple, reliable and stable, pressing gauge head is easy to change, the accuracy of test is good.
Detailed description of the invention
Fig. 1 is the configuration schematic diagram of the utility model；
Fig. 2 is the schematic diagram of the section structure of the utility model.
Specific embodiment
Now in conjunction with attached drawing, the utility model is described in further detail.
As depicted in figs. 1 and 2, magnetic-type pressing measuring head, including pressing gauge head 1；It further include connecting column 2, magnet 3 and company
Joint chair 4；Pressing gauge head 1 is mounted on the bottom of connecting column 2；The top of connecting column 2 is by magnetic-adsorption on magnet 3；Magnet 3 is solid
It is scheduled on the bottom of attachment base 4, the top of attachment base 4 is connect with load measuring gauge.
Pressing gauge head 1 is connect by magnetic force with magnet 3, and this connection belongs to flexible connection, when pressing gauge head 1 is by lateral
When power, pressing gauge head 1 can fall off or slide along the surface of magnet 3, lateral force will not be passed to load measuring gauge.
Since it is very convenient to replace different pressing gauge heads 1 using magnetic connection.
The bottom of attachment base 4 is equipped with connecting hole 41, and connecting hole 41 is provided with magnet 3；Magnet 3 is neodymium iron boron strong magnet.Magnetic
The center of iron 3 is equipped with counterbore, and magnet 3 is fixed on attachment base 4 by sunk screw 5.The magnetism of strong magnet is strong, and suction is big, energy
It is enough to guarantee that pressing gauge head 1 is not fallen in pressing test.Magnet 3 connects the reliability that ensure that connection by sunk screw 5, prevents
Only magnet 3 falls off.The top that sunk screw 5 does not influence connecting column 2 is contacted with magnet 3, to ensure that magnetic force is the largest.
The top of connecting column 2 is equipped with locating shaft 21, and 21 activity of locating shaft is inserted in connecting hole 41, the diameter of locating shaft 21 with
The diameter of connecting hole 41 is consistent, and the diameter of locating shaft 21 is less than the diameter of connecting column 2.The top of locating shaft 21 is equipped with chamfering or falls
Fillet.Chamfering or rounded corner are conveniently inserted into connecting hole 41.
The diameter of locating shaft 21 is slightly less than the diameter of connecting hole 41, so that locating shaft 21 is facilitated to be inserted into connecting hole 41,
Usual small 0.02-0.04mm.Locating shaft 21 makes to press gauge head 1 and load measuring gauge coaxial line, pressing when avoiding pressing test
Gauge head 1 is subjected to displacement, and ensure that the accuracy of detection.
The height of locating shaft 21 is not more than 2mm.The height of locating shaft 21 is smaller can to guarantee to press gauge head 1 by lateral force
When free dropping.It is fixed when pressing gauge head 1 by lateral force if the length that locating shaft 21 is inserted into connecting hole 41 is longer
Position axis 21 is easy to be stuck in connecting hole 41, cannot freely fall.
Connecting column 2 is to have the top of magnetic iron prop or steel column or connecting column 2 equipped with magnet 3.It is magnetic using having
Iron or steel could be adsorbed by magnet 3.The top of connecting column 2 also can mutually be adsorbed equipped with magnet 3 with the magnet 3 on attachment base 4.
Pressing gauge head 1 is made of POM.Connecting column 2 is connect by threaded rod 6 with pressing gauge head 1.POM is kept away without magnetism
Exempt to have a adverse impact to pressing test, to guarantee the accuracy of test.POM intensity is good, rigidity is high, elasticity is good, wear-resisting
Property high, excellent in mechanical performance, with metal very close to.
Claims (8)
1. magnetic-type pressing measuring head, including pressing gauge head (1)；
It is characterized in that, further including connecting column (2), magnet (3) and attachment base (4)；
Pressing gauge head (1) is mounted on the bottom of connecting column (2)；
The top of the connecting column (2) is by magnetic-adsorption on magnet (3)；
The magnet (3) is fixed on the bottom of attachment base (4), and the top of the attachment base (4) is connect with load measuring gauge.
2. magnetic-type pressing measuring head according to claim 1, which is characterized in that
The bottom of the attachment base (4) is equipped with connecting hole (41), and connecting hole (41) is provided with magnet (3)；
The top of the connecting column (2) is equipped with locating shaft (21), and locating shaft (21) activity is inserted in connecting hole (41), the positioning
The diameter of axis (21) is consistent with the diameter of connecting hole (41), and the diameter of locating shaft (21) is less than the diameter of connecting column (2).
3. magnetic-type pressing measuring head according to claim 2, which is characterized in that
The height of the locating shaft (21) is not more than 2mm.
4. magnetic-type pressing measuring head according to claim 1, which is characterized in that
The magnet (3) is neodymium iron boron strong magnet.
5. magnetic-type pressing measuring head according to claim 1, which is characterized in that
The center of the magnet (3) is equipped with counterbore, and magnet (3) is fixed on attachment base (4) by sunk screw (5).
6. magnetic-type pressing measuring head according to claim 1, which is characterized in that
The connecting column (2) is to have the top of magnetic iron prop or steel column or connecting column (2) equipped with magnet (3).
7. magnetic-type pressing measuring head according to claim 1, which is characterized in that
The pressing gauge head (1) is made of engineering plastics.
8. magnetic-type pressing measuring head according to claim 1, which is characterized in that
The pressing gauge head (1) is made of POM.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821719545.8U CN208968797U (en) | 2018-10-23 | 2018-10-23 | Magnetic-type pressing measuring head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821719545.8U CN208968797U (en) | 2018-10-23 | 2018-10-23 | Magnetic-type pressing measuring head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208968797U true CN208968797U (en) | 2019-06-11 |
Family
ID=66760245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821719545.8U Active CN208968797U (en) | 2018-10-23 | 2018-10-23 | Magnetic-type pressing measuring head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208968797U (en) |
-
2018
- 2018-10-23 CN CN201821719545.8U patent/CN208968797U/en active Active
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| GR01 | Patent grant |