CN210037443U - Device for measuring deformation resistance of metal plate - Google Patents
Device for measuring deformation resistance of metal plate Download PDFInfo
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- CN210037443U CN210037443U CN201920797740.0U CN201920797740U CN210037443U CN 210037443 U CN210037443 U CN 210037443U CN 201920797740 U CN201920797740 U CN 201920797740U CN 210037443 U CN210037443 U CN 210037443U
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- cushion block
- fixing part
- deformation resistance
- measuring
- groove
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Abstract
The utility model discloses a measuring device for the deformation resistance of metal sheets, which comprises a die holder, a cushion block and a pressing plate, wherein the die holder adopts a U-shaped structure, the die holder comprises a first fixing part, a second fixing part and a horizontal base, and the first fixing part and the second fixing part are arranged at two ends of the horizontal base in parallel; the first fixing part is provided with a first open slot, and the second fixing part is provided with a second open slot; the upper surface of the horizontal base is provided with a concave groove, the cushion block is arranged in the concave groove, and the height of the cushion block is greater than the depth of the concave groove; the pressing plate is arranged at the upper part of the cushion block, the metal plate to be detected is arranged between the cushion block and the pressing plate, and two ends of the pressing plate are respectively inserted into the first open slot and the second open slot; the utility model discloses a set up die holder, cushion and clamp plate, the sheet metal that will await measuring sets up between cushion and clamp plate, can satisfy the resistance to deformation measurement test of different sheet metals, measuring device simple structure, and measuring method simple accurate, measuring result is accurate.
Description
Technical Field
The utility model belongs to the technical field of sheet material mechanical properties tests, in particular to sheet metal material deformation resistance's measuring device.
Background
With the wide use of metal plates in various fields such as aerospace, navigation, petrochemical industry, mechanical electronics and the like, particularly the large-scale application of manufacturing industries such as marine ship boards, automobile panels and the like, the mechanical property test of the metal plates is of great importance. The mechanical property test of the metal plate, which is common at present in tensile test, compression test, impact test and the like, can measure the strength, plasticity and toughness indexes of the metal plate, the tests can not measure the deformation resistance value of the metal plate, and the deformation resistance value of the metal plate is often required to be known in the process of processing and forming the metal plate so as to select proper processing pressure in the processing and forming process.
SUMMERY OF THE UTILITY MODEL
To the technical problem who exists among the prior art, the utility model provides a sheet metal material warp measuring device of resistance, the utility model discloses can satisfy different sheet metal materials's resistance to deformation measurement experiment, measuring device simple structure, operation simple accurate.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
a measuring device for the deformation resistance of metal plates comprises a die holder, a cushion block and a pressing plate, wherein the die holder is of a U-shaped structure and comprises a first fixing part, a second fixing part and a horizontal base, and the first fixing part and the second fixing part are arranged at two ends of the horizontal base in parallel;
the first fixing part is provided with a first open slot, and the second fixing part is provided with a second open slot; the upper surface of the horizontal base is provided with a concave groove, one end of the concave groove is respectively penetrated through the first open groove, and the other end of the concave groove is penetrated through the second open groove; the first open slot, the second open slot and the concave slot are coaxially arranged; the cushion block is arranged in the concave groove, and the height of the cushion block is greater than the depth of the concave groove; the pressing plate is arranged on the upper portion of the cushion block, the metal plate to be detected is arranged between the cushion block and the pressing plate, and two ends of the pressing plate are respectively inserted into the first open slot and the second open slot.
Furthermore, the widths of the first open groove, the second open groove and the concave groove are the same.
Furthermore, two ends of the cushion block respectively penetrate through the first open slot and the second open slot.
Furthermore, the width of the cushion block is matched with that of the concave groove.
Further, the width of the pressing plate is the same as that of the cushion block.
Furthermore, a lubricant is coated on the cushion block and the pressing plate, and the lubricant is a graphite composite lubricant.
Furthermore, the upper end surfaces of the first fixing part and the second fixing part are provided with chamfers.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a sheet metal deformation resistance's measuring device through setting up die holder, cushion and clamp plate, will await measuring the sheet metal setting between cushion and clamp plate, can satisfy the deformation resistance measurement test of different sheet metals, measuring device simple structure.
Furthermore, the two ends of the cushion block penetrate through the first opening groove and the second opening groove, so that the stability of the cushion block is ensured.
Furthermore, the width of the cushion block is matched with the width of the concave groove, so that the cushion block is in a stable state in the measuring process, and the accuracy of the measuring result is ensured.
Furthermore, the graphite composite lubricant is coated on the cushion block and the pressing plate, so that the friction force between the cushion block and the pressing plate and the metal plate to be measured in the measuring process is reduced, and the states between the cushion block and the metal plate to be measured and between the cushion plate and the metal plate to be measured are approximate to a friction-free state.
Further, the upper end faces of the first fixing portion and the second fixing portion are arranged to be chamfers, and damage to measuring personnel is avoided.
Drawings
Fig. 1 is a schematic front view of a device for measuring deformation resistance of a metal plate according to the present invention;
fig. 2 is a schematic side view of a device for measuring deformation resistance of metal plate.
Wherein, 1, die holder, 2 cushion blocks and 3 press plates; 11 a first fixing part, 12 a second fixing part and 13 a horizontal base; 111 first open slot, 121 second open slot, 131 groove.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to the attached drawings 1-2, the utility model provides a device for measuring the deformation resistance of metal plates, which comprises a die holder 1, a cushion block 2 and a press plate 3; the die holder 1 adopts a U-shaped structure, the die holder 1 comprises a first fixing part 11, a second fixing part 12 and a horizontal base 13, the first fixing part 11 and the second fixing part 12 are arranged at two ends of the horizontal base 13 in parallel, the first fixing part 11 is vertically arranged at one end of the horizontal base 13, and the second fixing part 12 is vertically arranged at the other end of the horizontal base 13.
A first open slot 111 is formed in the middle of the first fixing portion 11, a second open slot 121 is formed in the middle of the second fixing portion 12, a concave slot 131 is formed in the upper surface of the horizontal base 13, one end of the concave slot 131 is respectively arranged to penetrate through the first open slot 111, and the other end of the concave slot 131 is arranged to penetrate through the second open slot 121; the first opening groove 111, the second opening groove 121 and the concave groove 131 are coaxially arranged; the first opening groove 111, the second opening groove 121 and the concave groove 131 have the same width.
The cushion block 2 is arranged in the concave groove 131, and two ends of the cushion block 2 respectively penetrate through the first open slot 111 and the second open slot 121; the width of the cushion block 2 is matched with the width of the groove 131, and the height of the cushion block 2 is larger than the depth of the groove 131.
The pressing plate 3 is arranged on the upper portion of the cushion block 2, the metal plate to be detected is arranged between the cushion block 2 and the pressing plate 3, two ends of the pressing plate 3 are respectively inserted into the first opening groove 111 and the second opening groove 121, and the width of the pressing plate 3 is the same as that of the cushion block 2. The cushion block 2 and the pressing plate 3 are both coated with a lubricant, and the lubricant is a graphite composite lubricant.
The upper ends of the first fixing part 11 and the second fixing part 12 are arranged to be chamfered, so that the injury to a tester is avoided.
Utilize a sheet metal deformation resistance's measuring device, when carrying out sheet metal deformation resistance measurement, including following step:
step 4, unloading and taking out the metal plate to be tested after loading is finished; measuring the length and width of a deformation region of a metal plate sample to be measured by a vernier caliper, and calculating a deformation area S;
step 5, calculating a deformation resistance value K of the metal plate to be detected, wherein the mathematical expression of the deformation resistance value of the metal plate to be detected is as follows: k is F/S.
Example 1
In this embodiment, the metal plate to be measured is an annealed industrial pure aluminum plate, the metal plate to be measured is a rectangular plate-shaped structure, and the size specification of the metal plate to be measured is that the length × the width × the thickness is equal to 100 × 30 × 3 mm;
during measurement, firstly, polishing a metal plate to be measured to ensure that corners of the metal plate to be measured are smooth and have no cracks; when the metal plate to be tested is polished, 2000# abrasive paper is adopted to polish the corners of the metal platePolishing is carried out; then, uniformly smearing graphite composite lubricant on the cushion block 2 and the pressing plate 3, and placing the metal plate to be detected between the cushion block 2 and the pressing plate 3; secondly, carrying out a deformation resistance test at room temperature at a speed of 1mm/s until the test is finished; finally, the test load value F is 5.43KN, and the deformation area S is 180mm2(ii) a And calculating to obtain the deformation resistance value of the annealed pure titanium plate, wherein K is equal to F/S is equal to 30.17 MPa.
The theoretical value of the room temperature deformation resistance of the pure aluminum plate in the annealed state is 30MPa, the error of the measurement result in the embodiment is 0.57%, and the test result is accurate.
Example 2
In this embodiment, the metal plate to be measured is an annealed pure copper plate, the metal plate to be measured is a rectangular plate-shaped structure, and the size specification of the metal plate to be measured is that the length × the width × the thickness is 90 × 30 × 2.98 mm;
during measurement, firstly, polishing a metal plate to be measured to ensure that the surface and corners of the metal plate to be measured are smooth and have no burrs; when a metal plate to be detected is polished, polishing and polishing are carried out on the metal plate by adopting navy cloth; then, uniformly smearing graphite composite lubricant on the cushion block 2 and the pressing plate 3, and placing the metal plate to be detected between the cushion block 2 and the pressing plate 3; secondly, carrying out a deformation resistance test at room temperature at the speed of 2mm/s until the test is finished; finally, the test load value F is 12.51KN, and the deformation area S is 180mm2(ii) a And calculating to obtain the deformation resistance value of the pure titanium plate in the annealed state, namely K, F/S, 69.50 MPa.
The theoretical value of the room temperature deformation resistance of the annealed pure copper plate material is 70MPa, the error rate of the measurement result in the embodiment is 0.71%, and the test result is accurate.
Example 3
In this embodiment, a LY12 annealed hard aluminum alloy sheet is adopted as a metal sheet to be measured, the metal sheet to be measured is in a rectangular plate-shaped structure, and the size specification of the metal sheet to be measured is that the length × the width × the thickness is 100 × 30 × 3.03 mm;
during measurement, firstly, polishing a metal plate to be measured to ensure that the surface and corners of the metal plate to be measured are smooth and have no burrs; when polishing the metal plate to be measured, collectingPolishing and grinding the fabric by using navy woolen polishing cloth; then, uniformly smearing graphite composite lubricant on the cushion block 2 and the pressing plate 3, and placing the metal plate to be detected between the cushion block 2 and the pressing plate 3; secondly, carrying out a deformation resistance test at room temperature at a speed of 1mm/s until the test is finished; finally, the test load value F is 18.20KN, and the deformation area S is 180mm2(ii) a And calculating to obtain the deformation resistance value K of the pure titanium plate in the annealed state, F/S of 101.1 MPa.
The theoretical value of the room temperature deformation resistance of the annealed pure copper plate material is 100MPa, the error rate of the measurement result in the embodiment is 1.1%, and the test result is accurate.
The above description is only illustrative of the preferred embodiments of the present invention, and any variations, modifications, decorations, etc. may be made without departing from the principle of the present invention, and these variations, modifications, decorations, etc. are all considered to be within the scope of the present invention.
Claims (7)
1. The device for measuring the deformation resistance of the metal plate is characterized by comprising a die holder (1), a cushion block (2) and a pressing plate (3), wherein the die holder (1) is of a U-shaped structure, the die holder (1) comprises a first fixing part (11), a second fixing part (12) and a horizontal base (13), and the first fixing part (11) and the second fixing part (12) are arranged at two ends of the horizontal base (13) in parallel;
a first opening groove (111) is formed in the first fixing part (11), and a second opening groove (121) is formed in the second fixing part (12); the upper surface of the horizontal base (13) is provided with a concave groove (131), one end of the concave groove (131) is respectively penetrated with the first open slot (111), and the other end of the concave groove (131) is penetrated with the second open slot (121); the first open slot (111), the second open slot (121) and the concave slot (131) are coaxially arranged; the cushion block (2) is arranged in the concave groove (131), and the height of the cushion block (2) is greater than the depth of the concave groove (131); the pressing plate (3) is arranged on the upper portion of the cushion block (2), the metal plate to be detected is arranged between the cushion block (2) and the pressing plate (3), and two ends of the pressing plate (3) are respectively inserted into the first open groove (111) and the second open groove (121).
2. The apparatus for measuring the deformation resistance of metal sheets according to claim 1, wherein the first open groove (111), the second open groove (121) and the recess groove (131) have the same width.
3. The apparatus for measuring the deformation resistance of metal sheets according to claim 1, wherein the two ends of the spacer block (2) are respectively arranged to penetrate through the first open slot (111) and the second open slot (121).
4. A device for measuring the deformation resistance of sheet metal according to claim 1, characterized in that the width of the spacer (2) is adapted to the width of the groove (131).
5. A device for measuring the deformation resistance of sheet metal according to claim 1, characterized in that the width of the pressure plate (3) is the same as the width of the spacer (2).
6. The device for measuring the deformation resistance of the metal sheets according to the claim 1 is characterized in that the cushion blocks (2) and the pressing plates (3) are respectively coated with a lubricant, and the lubricant is a graphite composite lubricant.
7. A device for measuring the deformation resistance of sheet metal according to claim 1, characterized in that the upper end faces of the first fixing portion (11) and the second fixing portion (12) are chamfered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920797740.0U CN210037443U (en) | 2019-05-29 | 2019-05-29 | Device for measuring deformation resistance of metal plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920797740.0U CN210037443U (en) | 2019-05-29 | 2019-05-29 | Device for measuring deformation resistance of metal plate |
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| CN210037443U true CN210037443U (en) | 2020-02-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110095342A (en) * | 2019-05-29 | 2019-08-06 | 西安建筑科技大学 | A kind of measuring device and measuring method of metal blank resistance of deformation |
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2019
- 2019-05-29 CN CN201920797740.0U patent/CN210037443U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110095342A (en) * | 2019-05-29 | 2019-08-06 | 西安建筑科技大学 | A kind of measuring device and measuring method of metal blank resistance of deformation |
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