CN111442995A - Pure crooked experimental apparatus of sheet material - Google Patents
Pure crooked experimental apparatus of sheet material Download PDFInfo
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- CN111442995A CN111442995A CN202010384481.6A CN202010384481A CN111442995A CN 111442995 A CN111442995 A CN 111442995A CN 202010384481 A CN202010384481 A CN 202010384481A CN 111442995 A CN111442995 A CN 111442995A
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- sheet material
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- briquetting
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- 239000000463 material Substances 0.000 title claims description 33
- 230000007246 mechanism Effects 0.000 claims abstract description 66
- 238000005452 bending Methods 0.000 claims abstract description 34
- 238000009434 installation Methods 0.000 claims abstract description 19
- 210000002421 cell wall Anatomy 0.000 claims description 8
- 210000004027 cell Anatomy 0.000 claims description 3
- 230000002452 interceptive effect Effects 0.000 claims 1
- 238000002474 experimental method Methods 0.000 abstract description 12
- 238000003825 pressing Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000001360 synchronised 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
- G01N3/20—Investigating strength properties of solid materials by application of mechanical stress by applying steady bending 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
- G01N3/04—Chucks
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- 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 the technical field of pure plate bending experiments, in particular to a pure plate bending experiment device which comprises a base, wherein an installation mechanism is fixedly installed on the upper surface of the base, a conveying mechanism is arranged in the installation mechanism, and a positioning mechanism is arranged at the position, corresponding to the conveying mechanism, of the installation mechanism, and the pure plate bending experiment device has the beneficial effects that: when the device is used, the position of the impact cylinder is adjusted according to the angle of the plate to be bent, the impact cylinder is far away from the placing block when the angle is smaller, the plate is placed on the placing block after adjustment is finished, the plate is clamped and fixed through descending of the pressing block, then the impact cylinder is started to drive the piston rod to operate, the piston rod drives the impact block to impact the plate and bend the plate, the plate rebounding pressure acts on a pressure measuring instrument on the impact block after bending is finished, pressure measuring experiments can be performed on the plate with different bending angles by adjusting the position of the impact cylinder, and the whole operation is simple and convenient.
Description
Technical Field
The invention relates to the technical field of plate pure bending experiments, in particular to a plate pure bending experiment device.
Background
The metal plate forming plays an important role in the manufacturing industries of automobiles, instruments and meters, electronics, chemical engineering, light industry and the like, the bending is one of the common technological means for plate forming, the springback is the most common and difficult technical problem in the plates, the springback is an elastic unloading process, so that the springback pressures of different curvatures of the plates need to be compared in an experiment, the bending performance of the plates can be better mastered, the plates can be conveniently sold and processed, and an experimental device for pure bending of the plates needs to be designed.
Disclosure of Invention
The invention aims to solve the problem that the bending performance of a plate is convenient to sell and process by better mastering the defect that the rebound pressures of different bending degrees of the plate need to be compared in an experiment, and the pure bending experimental device for the plate is provided.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a pure crooked experimental apparatus of sheet material, the on-line screen storage device comprises a base, the last fixed surface of base installs an installation mechanism, the inside of installation mechanism is provided with a conveying mechanism, be provided with a positioning mechanism on installation mechanism corresponds conveying mechanism's the position, conveying mechanism's lower extreme fixed mounting has a mechanism of exerting pressure, the inside of installation mechanism is the symmetry about the mechanism of exerting pressure and describes and be provided with two supporting mechanism.
Preferably, the mounting mechanism comprises a placing block, the placing block is fixedly connected to one side edge of the upper surface of the base, a supporting block is fixedly connected to the other side edge of the upper surface of the base, two thread grooves are formed in the upper surfaces of the placing block and the supporting block, a threaded rod is connected to each of the four thread grooves in a threaded manner, the upper ends of the four threaded rods penetrate through the notches of the corresponding thread grooves and extend upwards, and the four threaded rods are located on the rod wall outside the thread grooves and are connected with a pressurizing block through a first bearing in a rotating manner.
Preferably, the conveying mechanism comprises a conveying groove, the conveying groove is formed in the lower surface of the pressurizing block, a lead screw is rotatably connected between the opposite groove walls of the conveying groove through a second bearing, one end of the lead screw penetrates through the corresponding side wall of the pressurizing block and extends out of the pressurizing block, a lead screw nut is in threaded connection with the rod wall of the lead screw in the conveying groove, a conveying block is fixedly sleeved on the outer side wall of the lead screw nut, and the two outer side walls of the conveying block respectively abut against the opposite groove walls of the conveying groove.
Preferably, the positioning mechanism comprises a positioning hole, the positioning hole penetrates through the bottom of the conveying trough, an upper port of the positioning hole is formed in the upper surface of the pressurizing block, a positioning pointer is fixedly connected to the upper surface of the conveying block corresponding to the position of the positioning hole, the upper end of the positioning pointer penetrates through the positioning hole and extends out of the pressurizing block, a scale plate is fixedly connected to the upper surface of the pressurizing block corresponding to the position of the positioning pointer, and a layer of scale strip is arranged on the side wall, corresponding to the position of the positioning pointer, of the scale plate.
Preferably, the pressure applying mechanism comprises an impact cylinder, the impact cylinder is fixedly connected to the lower surface of the conveying block, the lower end of the impact cylinder penetrates through the notch of the conveying groove and extends out of the pressure applying block, the output end of the impact cylinder is interactively connected with a piston rod, the lower end of the piston rod is fixedly connected with the impact block, and a pressure measuring instrument is fixedly mounted on the lower end face of the impact block.
Preferably, the two supporting mechanisms respectively comprise a sliding groove, the sliding grooves are symmetrically formed in the opposite groove walls of the conveying groove, each sliding groove is internally provided with a sliding block, the opposite ends of the sliding blocks respectively penetrate through the notches of the corresponding sliding grooves and extend into the conveying groove, the sliding blocks are fixedly connected to the opposite outer side walls of the impact air cylinder, the sliding blocks are located on the side walls of the sliding grooves and are provided with a plurality of ball grooves, each ball groove is internally provided with a ball, and one end face of each roller wheel penetrates through the notches of the corresponding ball grooves, extends into the sliding groove and abuts against the groove wall of the corresponding sliding groove.
Preferably, the top ends of the four threaded rods are fixedly connected with a first handle, and a layer of first rubber anti-skidding sleeve is fixedly sleeved on the outer side walls of the four first handles.
Preferably, one end of the screw rod, which is positioned outside the pressurizing block, is fixedly connected with a second handle, and a layer of second rubber anti-slip sleeve is fixedly sleeved on the outer side wall of the second handle.
The invention has the beneficial effects that:
1. the invention relates to a pure bending experiment device for a sheet material, which is characterized in that when the pure bending experiment device is used, the position of an impact air cylinder is adjusted according to the angle of the sheet material to be bent, the impact air cylinder is farther away from a placing block when the angle is smaller, the sheet material is placed on the placing block after the adjustment is finished, the sheet material is clamped and fixed by descending a pressing block, then the impact air cylinder is started to drive a piston rod to operate, the piston rod drives the impact block to impact the sheet material and bend the sheet material, the rebound pressure of the sheet material acts on a pressure gauge on the impact block after the bending is finished, the pressure measurement experiment can be carried out on the sheet material with different bending angles by adjusting the position of the impact air cylinder.
2. The invention relates to a plate pure bending experimental device, wherein when in use, a conveying quick block drives an impact cylinder to move and simultaneously drives a positioning pointer to synchronously move, and meanwhile, the moving distance of the positioning pointer can be controlled through scale bars on a scale plate, so that the moving distance of the impact cylinder can be controlled, and data recording is more convenient.
Drawings
FIG. 1 is a schematic structural diagram of a pure bending experimental apparatus for sheet material according to the present invention;
FIG. 2 is a schematic front view of a pure bending experimental apparatus for sheet material according to the present invention;
FIG. 3 is a schematic side view of a pure bending experimental apparatus for sheet material according to the present invention;
FIG. 4 is an enlarged schematic structural view of a portion A in FIG. 1 of an experimental apparatus for pure bending of sheet material according to the present invention;
fig. 5 is an enlarged structural schematic diagram of a portion B in fig. 3 of a pure bending experimental apparatus for sheet material according to the present invention.
In the figure: the device comprises a base 1, an installation mechanism 2, a placing block 21, a supporting block 22, a thread groove 23, a threaded rod 24, a pressurizing block 25, a conveying mechanism 3, a conveying groove 31, a lead screw 32, a lead screw nut 33, a conveying block 34, a positioning mechanism 4, a positioning hole 41, a positioning pointer 42, a scale plate 43, a scale strip 44, a pressurizing mechanism 5, an impact cylinder 51, a piston rod 52, an impact block 53, a load cell 54, a supporting mechanism 6, a sliding groove 61, a sliding block 62, a ball groove 63, a ball 64, a first handle 7, a first rubber anti-skid sleeve 8, a second handle 9 and a second rubber protective sleeve 10.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-5, a pure bending experimental device for sheet materials, which comprises a base 1, an installation mechanism 2 is fixedly installed on the upper surface of the base 1, a conveying mechanism 3 is arranged inside the installation mechanism 2, a positioning mechanism 4 is arranged at the position of the installation mechanism 2 corresponding to the conveying mechanism 3, a pressure applying mechanism 5 is fixedly installed at the lower end of the conveying mechanism 3, two supporting mechanisms 6 are symmetrically arranged inside the installation mechanism 2 with respect to the pressure applying mechanism 5, the sheet materials are clamped and fixed by the installation mechanism 2, the position of the pressure applying mechanism 5 is adjusted by the conveying mechanism 3, the position of the pressure applying mechanism 5 is accurately positioned by the positioning mechanism 4, so that data collection is facilitated, the pressure applying mechanism 5 can be supported by the two supporting mechanisms 6, and the pressure applied during the validity period, the service life of the device is prolonged.
Wherein, installation mechanism 2 includes that one places piece 21, place one of them side edge of piece 21 fixed connection at the base 1 upper surface, supporting shoe 22 of opposite side edge fixedly connected with of base 1 upper surface, the upper surface of placing piece 21 and supporting shoe 22 has all seted up two thread grooves 23, equal threaded connection has a threaded rod 24 in four thread grooves 23, the notch that corresponds thread groove 23 is all run through and upwards extends in the upper end of four threaded rods 24, four threaded rods 24 are located on the outer pole wall of thread groove 23 and rotate through first bearing jointly and are connected with one and add briquetting 25.
Wherein, conveying mechanism 3 includes a conveyer trough 31, conveyer trough 31 sets up the lower surface at adding briquetting 25, it has a lead screw 32 to rotate through the second bearing between the relative cell wall of conveyer trough 31, one of them one end of lead screw 32 runs through adding briquetting 25 and corresponding lateral wall and extend to adding briquetting 25 outside, threaded connection has a screw-nut 33 on the pole wall that lead screw 32 is located conveyer trough 31, it has a transport block 34 to fix the cover on the lateral wall of screw-nut 33, the double-phase outer lateral wall of transport block 34 offsets with the relative cell wall of conveyer trough 31 respectively.
The positioning mechanism 4 includes a positioning hole 41, the positioning hole 41 penetrates through the bottom of the conveying trough 31, an upper end orifice of the positioning hole 41 is arranged on the upper surface of the pressurizing block 25, a positioning pointer 42 is fixedly connected to the upper surface of the conveying block 34 corresponding to the positioning hole 41, the upper end of the positioning pointer 42 penetrates through the positioning hole 41 and extends to the outside of the pressurizing block 25, a scale plate 43 is fixedly connected to the upper surface of the pressurizing block 25 corresponding to the positioning pointer 42, and a layer of scale strip 44 is arranged on the side wall of the scale plate 43 corresponding to the positioning pointer 42.
Wherein, the pressure applying mechanism 5 comprises an impact cylinder 51, the impact cylinder 51 is fixedly connected to the lower surface of the conveying block 34, the lower end of the impact cylinder 51 penetrates through the notch of the conveying groove 31 and extends out of the pressure applying block 25, the output end of the impact cylinder 51 is interactively connected with a piston rod 52, the lower end of the piston rod 52 is fixedly connected with an impact block 53, and a load cell 54 is fixedly installed on the lower end surface of the impact block 53.
Wherein, two supporting mechanism 6 all include a spout 61, two spouts 61 are the symmetry form and offer on the relative cell wall of conveyer trough 31, equal sliding connection has a slider 62 in two spouts 61, two sliders 62 one end in opposite directions run through the notch that corresponds spout 61 respectively and extend to in the conveyer trough 31 and fixed connection on the relative lateral wall of strikeing cylinder 51, a plurality of ball groove 63 has been seted up on two sliders 62 are located the lateral wall in spout 61, equal rolling connection has a ball 64 in a plurality of ball groove 63, one of them terminal surface of a plurality of gyro wheel 64 all runs through the notch that corresponds ball groove 63 and extends to in spout 61 and offsets with spout 61 cell wall.
Wherein, the top of four threaded rods 24 all fixedly connected with a first in command 7, all fixedly cup jointed the first rubber antiskid sleeve 8 of one deck on the lateral wall of four first in command 7.
Wherein, the screw 32 is located the outer one end fixedly connected with a second handle 9 of briquetting 25, and the fixed one deck second rubber antiskid sleeve 9 that has cup jointed on the lateral wall of second handle 9.
The working principle is as follows: a plate pure bending experimental device comprises a second handle 9, a screw rod 32 driven by the second handle 9 to rotate, a conveying block 34 driven by the screw rod 32 to move through matching with a screw nut 33 when the screw rod 32 rotates, the conveying block 34 capable of synchronously driving an impact cylinder 51 and a positioning pointer 42 to move, and a scale strip 44 on a scale plate 43 capable of positioning the position of the positioning pointer 42 so as to position the impact cylinder 51 synchronously moving with the positioning pointer 42, a plate can be placed on a placing block 21 when the plate is moved to a required position, a threaded rod 24 can be rotated through a first handle 7, the threaded rod 24 is in threaded connection with a threaded groove 23, the threaded rod 24 can move towards the inside of the threaded groove 23 when rotating, a pressing block 25 can be driven to descend to clamp and fix the plate, the impact cylinder 51 can be started after the plate is fixed, impact cylinder 51 drives impact block 53 through piston rod 52 and strikes the sheet material, in the impact process, impact cylinder 51 can produce under the ascending effect, and drive slider 62 synchronous rising, the restriction to slider 62 through spout 61 this moment, can support impact cylinder, and offset then bending operation until sheet material and base 1, and the impact cylinder 51 of different positions strikes the dropping point distance of sheet material inconsistent, then the complete angle of sheet material is inconsistent, it can produce the resilience force after the bending of sheet material angle is accomplished, and directly act on manometer 54 on impact block 53, can detect the contrast through the data on scale strip 44 and the dynamics of resilience force to the resilience of sheet material this moment, the experiment of sheet material resilience performance has been accomplished promptly.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The utility model provides a pure crooked experimental apparatus of sheet material, includes base (1), its characterized in that, the last fixed surface of base (1) installs an installation mechanism (2), the inside of installation mechanism (2) is provided with a conveying mechanism (3), be provided with a positioning mechanism (4) on installation mechanism (2) corresponds the position of conveying mechanism (3), the lower extreme fixed mounting of conveying mechanism (3) has one mechanism of exerting pressure (5), the inside of installation mechanism (2) is the symmetry about the mechanism of exerting pressure (5) and describes and be provided with two supporting mechanism (6).
2. The pure bending experimental device for the sheet material according to claim 1, wherein: installation mechanism (2) include one place piece (21), place one of them side edge of piece (21) fixed connection at base (1) upper surface, the opposite side edge fixedly connected with supporting shoe (22) of base (1) upper surface, place the upper surface of piece (21) and supporting shoe (22) and all seted up two thread grooves (23), four equal threaded connection has a threaded rod (24) in thread groove (23), four the notch that corresponds thread groove (23) is all run through to the upper end of threaded rod (24) and upwards extends, four threaded rod (24) are located and rotate through first bearing jointly on the pole wall outside thread groove (23) and are connected with one and add briquetting (25).
3. The pure bending experimental device for the sheet material according to claim 1, wherein: conveying mechanism (3) include a conveyer trough (31), the lower surface at add briquetting (25) is seted up in conveyer trough (31), it is connected with a lead screw (32) to rotate through the second bearing between the relative cell wall of conveyer trough (31), the wherein one end of lead screw (32) runs through the corresponding lateral wall that adds briquetting (25) and extends to add briquetting (25) outside, threaded connection has a screw-nut (33) on lead screw (32) are located the pole wall in conveyer trough (31), fixed cover on the lateral wall of screw-nut (33) has been cup jointed one and has been carried piece (34), the double-phase external lateral wall of carrying piece (34) offsets with the relative cell wall of conveyer trough (31) respectively.
4. The pure bending experimental device for the sheet material according to claim 1, wherein: positioning mechanism (4) include a locating hole (41), locating hole (41) run through the tank bottom of seting up at conveyer trough (31), the upper end drill way of locating hole (41) is the upper surface setting that runs through with briquetting (25), corresponds fixed surface is connected with a location pointer (42) on conveyer block (34) of locating hole (41) position, the upper end of location pointer (42) runs through locating hole (41) and extends to outside briquetting (25), corresponds fixed surface is connected with a scale plate (43) on briquetting (25) of location pointer (42) position, be provided with one deck scale bar (44) on scale plate (43) the lateral wall that corresponds location pointer (42) position.
5. The pure bending experimental device for the sheet material according to claim 1, wherein: mechanism (5) of exerting pressure includes one and strikes cylinder (51), strike cylinder (51) fixed connection at the lower surface of conveying piece (34), the lower extreme of strikeing cylinder (51) runs through the notch of conveyer trough (31) and extends to outside adding briquetting (25), the output interactive connection who strikes cylinder (51) has a piston rod (52), the lower extreme fixedly connected with of piston rod (52) should strike piece (53), fixed mounting has a load cell (54) on the lower terminal surface of strike piece (53).
6. The pure bending experimental device for the sheet material according to claim 1, wherein: two supporting mechanism (6) all include a spout (61), two spout (61) are the symmetry form and offer on the relative cell wall of conveyer trough (31), two equal sliding connection has a slider (62), two in spout (61) slider (62) one end in opposite directions runs through the notch that corresponds spout (61) respectively and extends to in conveyer trough (31) and fixed connection on the relative lateral wall of strikeing cylinder (51), two slider (62) are located and have seted up a plurality of ball groove (63) on the lateral wall in spout (61), a plurality of equal roll connection has a ball (64), a plurality of in ball groove (63) one of them terminal surface of gyro wheel (64) all runs through the notch that corresponds ball groove (63) and extends to in spout (61) and offsets with spout (61) cell wall.
7. The pure bending experimental device for the sheet material according to claim 2, wherein: the top ends of the four threaded rods (24) are fixedly connected with a first handle (7), and the outer side wall of the four first handles (7) is fixedly sleeved with a first rubber anti-skid sleeve (8).
8. The pure bending experimental device for the sheet material according to claim 3, wherein: the screw rod (32) is located one end of the pressurizing block (25) and is fixedly connected with a second handle (9), and a layer of second rubber anti-slip sleeve (9) is fixedly sleeved on the outer side wall of the second handle (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010384481.6A CN111442995A (en) | 2020-05-07 | 2020-05-07 | Pure crooked experimental apparatus of sheet material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010384481.6A CN111442995A (en) | 2020-05-07 | 2020-05-07 | Pure crooked experimental apparatus of sheet material |
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| CN111442995A true CN111442995A (en) | 2020-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010384481.6A Pending CN111442995A (en) | 2020-05-07 | 2020-05-07 | Pure crooked experimental apparatus of sheet material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112588873A (en) * | 2020-12-06 | 2021-04-02 | 吉林工程技术师范学院 | Experimental measurement device for rebound amplitude of plate stamping |
| CN114062108A (en) * | 2021-11-12 | 2022-02-18 | 山东吉祥歌建材科技有限公司 | Device for detecting toughness standard of aluminum-plastic plate core material |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112588873A (en) * | 2020-12-06 | 2021-04-02 | 吉林工程技术师范学院 | Experimental measurement device for rebound amplitude of plate stamping |
| CN114062108A (en) * | 2021-11-12 | 2022-02-18 | 山东吉祥歌建材科技有限公司 | Device for detecting toughness standard of aluminum-plastic plate core material |
| CN114062108B (en) * | 2021-11-12 | 2022-06-24 | 山东吉祥歌建材科技有限公司 | Device for detecting toughness standard of aluminum-plastic plate core material |
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