CN212807900U - 180-degree bending test device for metal - Google Patents
180-degree bending test device for metal Download PDFInfo
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- CN212807900U CN212807900U CN202021808251.XU CN202021808251U CN212807900U CN 212807900 U CN212807900 U CN 212807900U CN 202021808251 U CN202021808251 U CN 202021808251U CN 212807900 U CN212807900 U CN 212807900U
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Abstract
The invention relates to a metal 180-degree bending test device, which comprises male dies and female dies, wherein the male dies are arranged at the tail end of a hydraulic rod through a connecting seat, the female dies are arranged on a test table board through a base, two female dies are symmetrically arranged, an installation sunken groove is arranged in the base, a transverse screw rod is arranged along the edge in the installation sunken groove, threaded holes matched with the screw rod in a threaded manner are formed in the lower part of the female dies, the threaded holes on the two female dies are opposite in rotating direction, the male dies comprise a bent plate knife and a U-shaped knife rest, installation grooves for accommodating the left side edge, the right side edge and the upper side edge of the bent plate knife are formed in the U-shaped knife rest, threaded holes communicated with the installation grooves are formed in the two ends of the front side surface of the U-shaped knife rest, locking nails B for locking the bent plate knife are installed in the threaded holes, a connecting block is installed at the, the disassembly and assembly are convenient, the female die can be synchronously adjusted, the centering of the female die and the male die is guaranteed, and the experiment precision is improved.
Description
Technical Field
The invention relates to a 180-degree bending test device for metal.
Background
The national standard GB/T15825.5-2008 provides a test method for the bending forming performance of a metal sheet by taking the minimum relative bending radius as an index, a series of convex dies with different fillet radii are adopted in the test, after a sample is formed according to a specified bending angle, the outer side surface of a deformation zone of the sample is tested, and the minimum relative bending radius when no crack or obvious dent is generated on the surface is taken as the bending forming performance index of the metal sheet.
The bending plate male die of the conventional bending test device is of an integral structure, a bending core needs to be integrally replaced according to different material specifications during testing, the speed is low and the complexity is high during replacement, and the bending plate male die with the specification and the small size of less than 1.0mm is easy to deform during use because the size of a working part of the bending plate male die is small. Meanwhile, the female dies need to be regularly adjusted in the experimental process, and each female die in the existing testing device can only be independently adjusted in position and cannot be synchronously and accurately adjusted, so that the problem that the female die and the male die are not aligned due to unequal moving distances of the left female die and the right female die is caused, and the experimental precision is influenced.
Disclosure of Invention
The invention aims to provide a 180-degree metal bending test device aiming at the defects.
The technical scheme adopted by the invention for solving the technical problem is that the 180-degree metal bending test device comprises male dies and female dies which are arranged at intervals up and down, wherein the male dies are arranged at the tail end of a hydraulic rod through a connecting seat, the female dies are arranged on a test table board through a base, the two female dies are symmetrically arranged at the left side and the right side of the male dies, an installation sunken groove is arranged in the base, and a transverse screw rod is arranged along the inner edge of the installation sunken groove;
the die comprises base blocks, rollers and positioning blocks, wherein threaded holes in threaded fit with the lead screw are formed in the lower portion of each base block, the rotating directions of the threaded holes in the base blocks of the two dies are opposite, a motor for driving the lead screw to rotate is mounted on the base, a notch is formed in the inner side of the upper portion of each base block, each roller is located in the notch, the end portion of each roller is connected with the corresponding base block through a support, each positioning block comprises a sliding block, a vertical rod and a positioning cross rod which are sequentially connected, a longitudinal sliding groove for mounting the sliding block is formed in the outer side surface of each base block, and a locking nail A for locking;
the terrace die includes bent plate sword, U type knife rest, offer in the U type knife rest with the holding bent plate sword about the side and go up the mounting groove on the side, open the screw that sets up the intercommunication mounting groove at U type knife rest leading flank both ends, install the lock pin B that is used for the lock solid bent plate sword in the screw, the connecting block is installed to the connecting seat lower extreme, and the strip groove of holding U type knife rest top side is seted up to the connecting block downside, and U type knife rest top side longitudinal symmetry is provided with vertical screw, sets up on the connecting block and corresponds complex through-hole with vertical screw, U type knife rest through wear to establish the through-hole and with the screw and the connecting block lock solid of vertical screw spiro union.
Furthermore, a sleeve with a closed lower end of the connecting seat is connected, a pin hole and a locking screw hole are formed in the peripheral edge of the sleeve, a positioning hole matched with the pin hole is formed in the tail end of the hydraulic rod, the sleeve is inserted into the tail end of the hydraulic rod, pin shafts are inserted into the pin hole and the positioning hole, and a locking nail C used for locking the sleeve and the hydraulic rod is installed in the locking screw hole.
Furthermore, one end of the screw rod is arranged on the base through a bearing seat, and the other end of the screw rod is connected and driven with a motor fixedly arranged on the base through a coupler.
Furthermore, a longitudinal strip hole is formed in the sliding block, the vertical rod is installed at the rear end of the sliding block, a locking nail A penetrates through the front end of the longitudinal strip hole, and a transverse screw hole in threaded connection with the locking nail A is formed in the bottom of the longitudinal sliding groove.
Furthermore, the longitudinal sliding groove is a dovetail groove, and the shape of the sliding block is matched with that of the longitudinal sliding groove.
Furthermore, the strip groove is a T-shaped groove, and the strip groove at the upper end of the U-shaped tool rest is matched with the strip groove.
Furthermore, a through hole for accommodating the shaft part of the roller is formed in the middle of the upper end of the support, a mounting hole is formed in the middle of the lower end of the support, a support mounting screw hole matched with the mounting hole is formed in the base block, and the support is fixedly locked on the base block through a support screw penetrating through the mounting hole and connected with the support mounting screw hole in a threaded mode.
Compared with the prior art, the invention has the following beneficial effects: simple structure, reasonable in design, convenient operation, bent plate terrace die adopt split type structure, and the dismouting is changed conveniently, and two dies can synchronous adjustment, guarantee the centering of die and terrace die, improve the experiment precision.
Drawings
The invention is further described with reference to the following figures.
Fig. 1 is a schematic structural view of the present apparatus.
In the figure: 1-a base; 2, installing a sink; 3-a female die; 301-base block; 302-locking nail A; 303-a slide block; 304-a vertical rod; 305-a positioning rail; 306-a scaffold; 307-roller; 4-a male die; 401-U-shaped tool holder; 402-a plate bending knife; 403-locking nail B; 5-a connecting seat; 6-hydraulic rod; 7-a screw rod; 8, a motor; 9-connecting blocks; 10-locking nail C; 11-pin shaft.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
As shown in fig. 1, the 180-degree metal bending test device comprises male dies 4 and female dies 3 which are arranged at intervals up and down, wherein the male dies are arranged at the tail end of a hydraulic rod 9 through a connecting seat 5, the female dies are arranged on a test table board through a base 1, the female dies are symmetrically arranged at the left side and the right side of the male dies, mounting sunken grooves 2 are arranged in the base, and transverse lead screws 7 are arranged along the inner edges of the mounting sunken grooves;
the die comprises a base block 301, rollers 307 and a positioning block, the lower part of the base block is provided with threaded holes matched with the screw rod in a threaded manner, the threaded holes on the base blocks of the two dies are opposite in rotating direction, the base is provided with a motor 8 for driving the screw rod to rotate, the inner side of the upper part of the base block is provided with a notch, the rollers are positioned in the notch, the end parts of the rollers are connected with the base block through a support 306, the positioning block comprises a sliding block 303, a vertical rod 304 and a positioning cross rod 305 which are sequentially connected, the outer side surface of the base block is provided with a longitudinal sliding groove for mounting the sliding block, the sliding block is provided with a locking nail A302 for locking the sliding block and the base block, the motor drives the screw rod to rotate, so that the two;
the male die comprises a bent plate knife 402 and a U-shaped knife rest 401, mounting grooves for accommodating the left side edge, the right side edge and the upper side edge of the bent plate knife are formed in the U-shaped knife rest, screw holes communicated with the mounting grooves are formed in two ends of the front side surface of the U-shaped knife rest, locking nails B403 for locking the bent plate knife are mounted in the screw holes, the structure is favorable for providing structural strength of the bent plate knife and preventing a bent plate from being broken, a connecting block 9 is mounted at the lower end of the connecting seat, a strip groove for accommodating the upper side surface of the U-shaped knife rest is formed in the lower side surface of the connecting block, vertical screw holes are symmetrically formed in the front and back of the upper side surface of the U-shaped knife rest, through holes matched with the vertical screw holes are formed in the connecting block correspondingly, the U-shaped knife rest is;
during the use, the metal sheet that need carry out the experiment more, the suitable bent plate sword of rotatory installation to adjust two die to suitable positions, how adjust location horizontal pole to suitable position, then put the metal sheet on the die, afterwards, the hydraulic stem drives the bent plate sword and moves down, and the bent plate sword is buckled the metal sheet with the die cooperation.
In this embodiment, a pin hole and a locking screw hole are formed on the peripheral edge of the sleeve, a positioning hole matched with the pin hole is formed at the tail end of the hydraulic rod, the sleeve is inserted into the tail end of the hydraulic rod, a pin 11 is inserted into the pin hole and the positioning hole, and a locking nail C10 for locking the sleeve and the hydraulic rod is installed in the locking screw hole.
In this embodiment, one end of the screw rod is mounted on the base through the bearing seat, and the other end of the screw rod is connected and driven with the motor fixedly mounted on the base through the coupler.
In this embodiment, a longitudinal bar hole is formed in the slider, the vertical rod is installed at the rear end of the slider, the locking nail a penetrates through the front end of the longitudinal bar hole, and a transverse screw hole in threaded connection with the locking nail a is formed in the bottom of the longitudinal sliding groove.
In this embodiment, the longitudinal sliding groove is a dovetail groove, and the shape of the sliding block is matched with the longitudinal sliding groove.
In this embodiment, the strip groove is a T-shaped groove, and the shape of the strip groove at the upper end of the U-shaped tool rest is matched with that of the strip groove.
In this embodiment, a through hole for accommodating the shaft portion of the roller is formed in the middle of the upper end of the bracket, a mounting hole is formed in the middle of the lower end of the bracket, a bracket mounting screw hole matched with the mounting hole is formed in the base block, and the bracket is fixedly locked on the base block through a bracket screw penetrating through the mounting hole and screwed with the bracket mounting screw hole.
If this patent discloses or refers to parts or structures that are fixedly connected to each other, the fixedly connected may be understood as: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).
In the description of this patent, it is to be understood that the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the patent, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
The above-mentioned preferred embodiments, further illustrating the objects, technical solutions and advantages of the present invention, should be understood that the above-mentioned are only preferred embodiments of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a 180 degrees bending test devices of metal, includes terrace die, the die that interval set up from top to bottom, its characterized in that: the male die is arranged at the tail end of the hydraulic rod through a connecting seat, the female die is arranged on the test table board through a base, two female dies are symmetrically arranged on the left side and the right side of the male die, an installation sinking groove is formed in the base, and a transverse screw rod is arranged on the inner edge of the installation sinking groove;
the die comprises base blocks, rollers and positioning blocks, wherein threaded holes in threaded fit with the lead screw are formed in the lower portion of each base block, the rotating directions of the threaded holes in the base blocks of the two dies are opposite, a motor for driving the lead screw to rotate is mounted on the base, a notch is formed in the inner side of the upper portion of each base block, each roller is located in the notch, the end portion of each roller is connected with the corresponding base block through a support, each positioning block comprises a sliding block, a vertical rod and a positioning cross rod which are sequentially connected, a longitudinal sliding groove for mounting the sliding block is formed in the outer side surface of each base block, and a locking nail A for locking;
the terrace die includes bent plate sword, U type knife rest, offer in the U type knife rest with the holding bent plate sword about the side and go up the mounting groove on the side, open the screw that sets up the intercommunication mounting groove at U type knife rest leading flank both ends, install the lock pin B that is used for the lock solid bent plate sword in the screw, the connecting block is installed to the connecting seat lower extreme, and the strip groove of holding U type knife rest top side is seted up to the connecting block downside, and U type knife rest top side longitudinal symmetry is provided with vertical screw, sets up on the connecting block and corresponds complex through-hole with vertical screw, U type knife rest through wear to establish the through-hole and with the screw and the connecting block lock solid of vertical screw spiro union.
2. The metal 180 degree bend test device of claim 1, characterized in that: the lower end of the connecting seat is closed, a pin hole and a locking screw hole are formed in the peripheral edge of the sleeve, a positioning hole matched with the pin hole is formed in the tail end of the hydraulic rod, the sleeve is inserted into the tail end of the hydraulic rod, a pin shaft is inserted into the pin hole and the positioning hole, and a locking nail C used for locking the sleeve and the hydraulic rod is installed in the locking screw hole.
3. The metal 180 degree bend test device of claim 1, characterized in that: one end of the screw rod is arranged on the base through the bearing seat, and the other end of the screw rod is connected and driven with a motor fixedly arranged on the base through a coupler.
4. The metal 180 degree bend test device of claim 1, characterized in that: the slider is provided with a longitudinal strip hole, the vertical rod is installed at the rear end of the slider, the locking nail A is arranged at the front end of the longitudinal strip hole in a penetrating mode, and the bottom of the longitudinal sliding groove is provided with a transverse screw hole in threaded connection with the locking nail A.
5. The metal 180 degree bend test apparatus of any one of claims 1-4, wherein: the longitudinal sliding groove is a dovetail groove, and the shape of the sliding block is matched with that of the longitudinal sliding groove.
6. The metal 180 degree bend test apparatus of any one of claims 1-4, wherein: the strip groove is a T-shaped groove, and the shape of the strip groove at the upper end of the U-shaped tool rest is matched with that of the strip groove.
7. The metal 180 degree bend test apparatus of any one of claims 1-4, wherein: the roller bearing is characterized in that a through hole for accommodating the shaft part of the roller is formed in the middle of the upper end of the support, a mounting hole is formed in the middle of the lower end of the support, a support mounting screw hole matched with the mounting hole is formed in the base block, and the support is fixedly locked on the base block through a support screw penetrating through the mounting hole and connected with the support mounting screw hole in a threaded mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021808251.XU CN212807900U (en) | 2020-08-26 | 2020-08-26 | 180-degree bending test device for metal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021808251.XU CN212807900U (en) | 2020-08-26 | 2020-08-26 | 180-degree bending test device for metal |
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| CN212807900U true CN212807900U (en) | 2021-03-26 |
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| CN202021808251.XU Active CN212807900U (en) | 2020-08-26 | 2020-08-26 | 180-degree bending test device for metal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114383953A (en) * | 2021-12-06 | 2022-04-22 | 鞍钢股份有限公司 | Plate bending test device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114383953A (en) * | 2021-12-06 | 2022-04-22 | 鞍钢股份有限公司 | Plate bending test device and method |
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