CN114965027B - Tensile fixture of biaxial tensile testing machine - Google Patents
Tensile fixture of biaxial tensile testing machine Download PDFInfo
- Publication number
- CN114965027B CN114965027B CN202210818108.6A CN202210818108A CN114965027B CN 114965027 B CN114965027 B CN 114965027B CN 202210818108 A CN202210818108 A CN 202210818108A CN 114965027 B CN114965027 B CN 114965027B
- Authority
- CN
- China
- Prior art keywords
- motor
- workpiece
- rod
- cover
- guide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
-
- 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
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
-
- 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
- G01N2203/025—Geometry of the test
- G01N2203/0254—Biaxial, the forces being applied along two normal axes of the specimen
-
- 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
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
- G01N2203/0411—Chucks, fixtures, jaws, holders or anvils using pneumatic or hydraulic pressure
Landscapes
- Physics & Mathematics (AREA)
- 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 aims to solve the clamping problem of a workpiece tensile test and discloses a tensile clamp of a biaxial tensile testing machine, which comprises a cover cylinder, wherein a guide rod is fixedly arranged on the upper side of the right side surface of the cover cylinder, a rack is welded on the upper surface of the guide rod, a guide pipe is sleeved outside the guide rod, an inclined frame is fixedly arranged on the upper surface of the guide pipe, a second motor is fixedly arranged at the left end of the inclined frame, a gear is arranged in the middle of the second motor, a first connecting rod is fixedly arranged on the lower surface of the guide pipe, a first motor is fixedly arranged at the lower end of the first connecting rod, a drill rod is arranged on the left side of the first motor, a guide ring is sleeved on the upper side of the right side wall of the cover cylinder, hydraulic cylinders are uniformly arranged on the lower sides of the two side surfaces of the cover cylinder, piston rods are arranged on the inner sides of the hydraulic cylinders, and top plates are fixedly arranged at the inner ends of the piston rods. The clamp is mainly used for clamping in a mode of drilling a workpiece, penetrating a steel bar and clamping, supporting and positioning the triangular support, so that the clamp can stably clamp the workpiece.
Description
Technical Field
The invention relates to the field of biaxial tensile test clamps, in particular to a tensile clamp of a biaxial tensile test machine.
Background
Biaxial stretching is stretching in both longitudinal and transverse directions along the plane of the film or sheet when it is produced. After biaxial stretching, the polymer chains tend to align in a direction parallel to the plane of the film, while the molecular chain direction is random in the plane. Thus, the strength of the film surface is uniform, and the film surface is greatly improved compared with the film surface before being stretched, and is not easy to crack.
The invention also discloses a biaxial tensile testing machine tensile fixture, which is used for solving the clamping problem of the tensile testing machine.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a tensile clamp of a biaxial tensile testing machine.
The invention is realized by the following technical scheme:
the utility model provides a biaxial tensile testing machine tensile fixture, includes a cover section of thick bamboo, cover section of thick bamboo right flank upside fixed mounting has the guide arm, surface welding has the rack on the guide arm, the guide arm overcoat has the stand, fixed surface installs the sloping on the guide tube, fixed surface installs the second motor at the sloping left end, second motor mid-mounting has the gear, fixed surface installs the gear under the guide tube
The automatic drilling machine is characterized by comprising a first connecting rod, wherein a first motor is fixedly arranged at the lower end of the first connecting rod, a drill rod is arranged on the left side of the first motor, a guide ring is sleeved on the upper side of the right side wall of the cover cylinder, hydraulic cylinders are uniformly arranged on the lower sides of the two side surfaces of the cover cylinder, a piston rod is arranged on the inner side of the hydraulic cylinders, a top plate is fixedly arranged at the inner end of the piston rod, a fixing frame is symmetrically arranged on the left side surface of the cover cylinder, a connecting ring is fixedly arranged at the outer end of the fixing frame, a fourth motor is fixedly sleeved in the connecting ring, a rotary cylinder is arranged at the back of the fourth motor, a third connecting rod is fixedly arranged on the left side of the fixing frame and positioned on the lower side of the fixing frame, a second connecting rod is fixedly arranged at the left end of the third connecting rod, a sleeve is fixedly arranged at the top of the second connecting rod, a reinforcing steel bar is sleeved in the sleeve, a connecting frame is fixedly arranged on the upper side of the surface of the cover cylinder, a rotary rod is sleeved in the connecting frame, the utility model discloses a cover section of thick bamboo, including a cover section of thick bamboo, rotary rod and link, be equipped with the pivot between rotary rod and the link, fixedly connected with coil spring between rotary rod surface and the link, rotary rod outer end fixed mounting has the third motor, the cutting dish is equipped with in third motor left side, cover section of thick bamboo surface upside is opened has the logical groove that corresponds with the cutting dish, the cover is equipped with the lantern ring in the middle of the cover section of thick bamboo is inside.
Preferably, the hydraulic cylinders are distributed in a triangular shape with respect to each other.
Preferably, the guide tube is in sliding fit with the guide rod.
Preferably, the gear is meshed with the rack.
Preferably, the connecting frame is of a U-shaped structure and is movably connected with the rotating shaft.
Compared with the prior art, the invention has the beneficial effects that:
the hydraulic cylinder is controlled, the workpiece can be extruded through the top plate to be positioned, the drill rod is arranged, the workpiece can be drilled to be stably positioned, the steel bar penetrates into the hole of the workpiece to block the workpiece, the workpiece is further positioned and clamped stably, and the cutting disc is arranged to enable the workpiece to be positioned and clamped stably
The steel bar is cut off, so that the workpiece can be taken out quickly, the tested workpiece can be taken out conveniently, and the problem that the workpiece cannot be taken out smoothly due to deformation of the steel bar is avoided. The clamp is mainly used for clamping by drilling a workpiece and then penetrating a steel bar and clamping and positioning the workpiece in a triangular clamping and supporting mode, so that the clamp can stably clamp the workpiece.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic view of the present invention after drilling a workpiece.
Description of reference numerals: 1. the device comprises a top plate, 2, a piston rod, 3, a hydraulic cylinder, 4, a cover cylinder, 5, a guide ring, 6, a drill rod, 7, a first motor, 8, a first connecting rod, 9, a guide pipe, 10, a bevel frame, 11, a gear, 12, a second motor, 13, a rack, 14, a guide rod, 15, a sleeve ring, 16, a rotating shaft, 17, a connecting frame, 18, a spiral spring, 19, a rotating rod, 20, a third motor, 21, a cutting disc, 22, a through groove, 23, a fixing frame, 24, a connecting ring, 25, a fourth motor, 26, a rotating drum, 27, a steel bar, 28, a sleeve pipe, 29, a second connecting rod, 30 and a third connecting rod.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution:
the utility model provides a biaxial tensile testing machine tensile fixture, includes cover cylinder 4, 4 right flank upsides fixed mounting of cover cylinder have guide arm 14, 14 upper surface welding of guide arm has rack 13, lead
The guide pipe 9 is sleeved outside the rod 14, the bevel stand 10 is fixedly mounted on the upper surface of the guide pipe 9, the second motor 12 is fixedly mounted at the left end of the bevel stand 10, the gear 11 is mounted in the middle of the second motor 12, the first connecting rod 8 is fixedly mounted on the lower surface of the guide pipe 9, the first motor 7 is fixedly mounted at the lower end of the first connecting rod 8, the drill rod 6 is mounted on the left side of the first motor 7, the guide ring 5 is sleeved on the upper side of the right side wall of the cover cylinder 4, the hydraulic cylinder 3 is uniformly mounted on the lower sides of the two side surfaces of the cover cylinder 4, the piston rod 2 is mounted on the inner side of the hydraulic cylinder 3, the top plate 1 is fixedly mounted at the inner end of the piston rod 2, the fixing frame 23 is symmetrically mounted on the left side surface of the cover cylinder 4, the connecting ring 24 is fixedly mounted at the outer end of the fixing frame 23, the fourth motor 25 is fixedly mounted inside the connecting ring 24, and the rotary drum 26 is mounted behind the fourth motor 25, be located the downside fixed mounting has third connecting rod 30 on the left of mount 23, 30 left end fixed mounting of third connecting rod has second connecting rod 29, 29 top fixed mounting of second connecting rod have sleeve pipe 28, the inside cover of sleeve pipe 28 has reinforcing bar 27, cover section of thick bamboo 4 surperficial upside fixed mounting has link 17, the inside cover of link 17 has rotary rod 19, be equipped with pivot 16 between rotary rod 19 and the link 17, fixedly connected with coil spring 18 between 19 surfaces of rotary rod and the link 17, 19 outer ends of rotary rod fixed mounting has third motor 20, cutting dish 21 is equipped with on the left of the third motor 20, cover section of thick bamboo 4 is opened to the surperficial upside has logical 22 that correspond with cutting dish 21, cover section of thick bamboo 4 is inside middle to overlap and is equipped with lantern ring 15.
The hydraulic cylinders 3 are distributed in a triangular shape.
The guide tube 9 is in sliding fit with the guide rod 14.
The gear 11 is meshed and matched with the rack 13.
The connecting frame 17 is of a U-shaped structure, and the connecting frame 17 is movably connected with the rotating shaft 16.
The method comprises the following operation steps: step one, when clamping a workpiece in a biaxial tension test,
firstly, a workpiece penetrates into the cover cylinder 4, the workpiece penetrates through the sleeve ring 15, then the switch of the second motor 12 is turned on, the first motor 7 is moved through the meshing of the gear 11 and the rack 13, meanwhile, the switch of the first motor 7 is turned on, the drill rod 6 is driven to rotate, the drill rod 6 is used for drilling holes in the workpiece, and after the holes are drilled, the second motor 12 is controlled, so that the drill rod 6 slides out of the guide ring 5;
step two, the switch of the fourth motor 25 is turned on, the steel bar 27 penetrating into the sleeve 28 penetrates into a drilled hole on the workpiece, and the position of the workpiece can be preliminarily positioned through the penetration of the steel bar 27;
thirdly, controlling the hydraulic cylinder 3, pushing and extruding the workpiece by using the top plate 1, controlling the extrusion force as required, controlling the hydraulic cylinder 3 if the required clamping force is larger, so that the top plate 1 extrudes and deforms the workpiece, further strengthening the positioning of the workpiece by using a triangular stability principle, and replacing the traditional clamping piece type fixation, thereby realizing the stable clamping of the workpiece and facilitating the biaxial tension test;
and step four, after the test, when the workpiece needs to be taken out, the rotating rod 19 is pushed, the cutting disc 21 penetrates through the through groove 22 to contact the steel bars, the switch of the third motor 20 is turned on, and the steel bars can be cut off by using the cutting disc 21 so as to take the workpiece out of the cover cylinder.
The present embodiment is only for explaining the present invention, and not for limiting the present invention, and those skilled in the art can make modifications without inventive contribution to the present embodiment as needed after reading the present specification, but all of which are protected by patent law within the scope of the claims of the present invention.
Claims (6)
1. The utility model provides a biaxial tensile testing machine tensile fixture, includes cover section of thick bamboo (4), its characterized in that: the automatic drilling machine is characterized in that a guide rod (14) is fixedly mounted on the upper side of the right side face of the cover cylinder (4), a rack (13) is welded on the upper surface of the guide rod (14), a guide pipe (9) is sleeved outside the guide rod (14), an inclined frame (10) is fixedly mounted on the upper surface of the guide pipe (9), a second motor (12) is fixedly mounted at the left end of the inclined frame (10), a gear (11) is mounted in the middle of the second motor (12), a first connecting rod (8) is fixedly mounted on the lower surface of the guide pipe (9), a first motor (7) is fixedly mounted at the lower end of the first connecting rod (8), a drill rod (6) is mounted on the left side of the first motor (7), a guide ring (5) is sleeved on the upper side wall of the right side face of the cover cylinder (4), hydraulic cylinders (3) are uniformly mounted on the lower side faces of the cover cylinder (4), and piston rods (2) are mounted on the inner side of the hydraulic cylinders (3), piston rod (2) inner fixed mounting has roof (1), mount (23) are installed to cover section of thick bamboo (4) left surface symmetry, mount (23) outer end fixed mounting has go-between (24), the inside fixed cover of go-between (24) is equipped with fourth motor (25), rotary drum (26) are equipped with at the back to fourth motor (25), are located the downside mount (23) left side fixed mounting has third connecting rod (30), third connecting rod (30) left end fixed mounting has second connecting rod (29), second connecting rod (29) top fixed mounting has sleeve pipe (28), the inside cover of sleeve pipe (28) has reinforcing bar (27), cover section of thick bamboo (4) surface upside fixed mounting has link (17), the inside cover of link (17) has rotary rod (19), pivot (16) are equipped with between rotary rod (19) and link (17), fixedly connected with coil spring (18) between rotary rod (19) surface and link (17), rotary rod (19) outer end fixed mounting has third motor (20), cutting disc (21) are equipped with on third motor (20) left side, cover section of thick bamboo (4) surface upside is opened has logical groove (22) that correspond with cutting disc (21), cover lantern ring (15) are equipped with to cover in the middle of cover section of thick bamboo (4) inside.
2. The tensile jig of a biaxial tensile testing machine according to claim 1, characterized in that: the hydraulic cylinders (3) are distributed in a triangular shape.
3. The tensile jig of a biaxial tensile testing machine according to claim 1, characterized in that: the guide tube (9) is in sliding fit with the guide rod (14).
4. The tensile clamp of biaxial tensile testing machine according to claim 1, characterized in that: the gear (11) is meshed and matched with the rack (13).
5. The tensile jig of a biaxial tensile testing machine according to claim 1, characterized in that: the connecting frame (17) is of a U-shaped structure, and the connecting frame (17) is movably connected with the rotating shaft (16).
6. The tensile fixture of a biaxial tensile testing machine according to claim 1, characterized in that the using method thereof comprises the following steps:
firstly, when a workpiece is clamped in a biaxial tensile test, the workpiece penetrates into a cover cylinder (4) to penetrate through a lantern ring (15), then a switch of a second motor (12) is turned on, a first motor (7) can be moved through the meshing of a gear (11) and a rack (13), meanwhile, the switch of the first motor (7) is turned on to drive a drill rod (6) to rotate, the drill rod (6) is used for drilling holes in the workpiece, and after the holes are drilled, the second motor (12) is controlled to enable the drill rod (6) to slide out of a guide ring (5);
step two, the switch of the fourth motor (25) is turned on, the steel bar (27) penetrating into the sleeve (28) penetrates into the drilled hole on the workpiece, and the position of the workpiece can be preliminarily positioned through the penetration of the steel bar (27);
thirdly, controlling the hydraulic cylinder (3), pushing and extruding the workpiece by using the top plate (1), controlling the extrusion force as required, controlling the hydraulic cylinder (3) if the required clamping force is larger, so that the top plate (1) extrudes and deforms the workpiece, and further strengthening the positioning of the workpiece by a triangular stability principle;
and step four, after the test, when the workpiece needs to be taken out, the rotating rod (19) is pushed, the cutting disc (21) penetrates through the through groove (22) to contact the steel bars, the switch of the third motor (20) is turned on, and the steel bars can be cut off by using the cutting disc (21), so that the workpiece can be taken out of the cover cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210818108.6A CN114965027B (en) | 2022-07-13 | 2022-07-13 | Tensile fixture of biaxial tensile testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210818108.6A CN114965027B (en) | 2022-07-13 | 2022-07-13 | Tensile fixture of biaxial tensile testing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114965027A CN114965027A (en) | 2022-08-30 |
| CN114965027B true CN114965027B (en) | 2022-09-30 |
Family
ID=82969675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210818108.6A Active CN114965027B (en) | 2022-07-13 | 2022-07-13 | Tensile fixture of biaxial tensile testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114965027B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106289957A (en) * | 2016-07-28 | 2017-01-04 | 上海荣南橡塑科技有限公司 | In a kind of sealing strip single extraction force test clamping tooling and method of testing |
| CN211564199U (en) * | 2020-01-13 | 2020-09-25 | 苏州诺鑫宜电子科技有限公司 | Tensile continuous mould of car fastener |
| CN113310788A (en) * | 2021-07-02 | 2021-08-27 | 上海捷氢科技有限公司 | Rubber material's biaxial stretching clamping device and sample |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6609408B2 (en) * | 2001-05-16 | 2003-08-26 | Lear Corporation | Method for selecting a cover material for use with a vehicle seat |
| CN102793987A (en) * | 2011-05-28 | 2012-11-28 | 卓向东 | Breaking-in tool capable of simultaneously outwards stretching two sides |
| CN102607944A (en) * | 2012-04-17 | 2012-07-25 | 西安近代化学研究所 | Gripper for tension test |
| DE102013112972A1 (en) * | 2013-11-25 | 2015-05-28 | Wirtgen Gmbh | Wear prediction method and maintenance procedure |
| CN207564152U (en) * | 2017-12-01 | 2018-07-03 | 佛山市镭戈斯数控设备有限公司 | Portable clamp system in a kind of process of metal working |
| CN109991074A (en) * | 2019-04-30 | 2019-07-09 | 中国水利水电第十二工程局有限公司 | Stretch special fixture |
| CN211053185U (en) * | 2019-11-21 | 2020-07-21 | 天津市天机液压机械股份有限公司 | Auxiliary machining device for guide plate of tensile testing machine fixture |
| CN211627239U (en) * | 2020-02-26 | 2020-10-02 | 机械工业勘察设计研究院有限公司 | Automatic change drilling shear apparatus |
| CN114541795A (en) * | 2021-12-15 | 2022-05-27 | 江苏敦邦钢结构工程有限公司 | Anti-deformation reinforcing structure for steel component for assembly type building |
| CN216780481U (en) * | 2021-12-24 | 2022-06-21 | 江苏敦邦钢结构工程有限公司 | Combined side positioning structure of steel component for steel structure building |
-
2022
- 2022-07-13 CN CN202210818108.6A patent/CN114965027B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106289957A (en) * | 2016-07-28 | 2017-01-04 | 上海荣南橡塑科技有限公司 | In a kind of sealing strip single extraction force test clamping tooling and method of testing |
| CN211564199U (en) * | 2020-01-13 | 2020-09-25 | 苏州诺鑫宜电子科技有限公司 | Tensile continuous mould of car fastener |
| CN113310788A (en) * | 2021-07-02 | 2021-08-27 | 上海捷氢科技有限公司 | Rubber material's biaxial stretching clamping device and sample |
Non-Patent Citations (1)
| Title |
|---|
| 《Characterization of Aluminum Honeycomb Material Failure in Large Deformation Compression，Shear, and Tearing》;Qing Zhou等;《Transactions of the ASME》;20021031;第412-420页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114965027A (en) | 2022-08-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112345371A (en) | Strength detection equipment and method for building energy-saving heat-insulating wall | |
| CN114965027B (en) | Tensile fixture of biaxial tensile testing machine | |
| CN209945890U (en) | Tensile strength testing device for physical teaching test | |
| CN210306488U (en) | Rotary welding tool for tower crane lower support | |
| CN101362267A (en) | Welding bench of stage rack | |
| CN116106116B (en) | Clamp for carbon fiber pipe pressure detection device | |
| CN215866522U (en) | Ultrasonic detection frame for petroleum drill rod detection | |
| CN214923749U (en) | Clamping device for metal material detection clamp | |
| CN115326549A (en) | Testing machine for testing performance of carbon fiber composite material | |
| CN210281437U (en) | Piston side opening adds clamping apparatus | |
| CN210833954U (en) | Workpiece tension test board | |
| CN114136795A (en) | Automatic chain quality inspection device and quality inspection method thereof | |
| CN220881207U (en) | Clamping equipment for welding tubular parts | |
| CN111157360A (en) | Tensile testing device of engineering plastic board | |
| CN209021921U (en) | The tooling of oil-pressure damper rubber nodal point | |
| CN219777304U (en) | Tensile test device for steel bar welded mesh | |
| CN217586674U (en) | Steel band raw materials post-welding short-term test system | |
| CN220729910U (en) | High-strength bolt mechanical property detection equipment | |
| CN205702978U (en) | The telescopic clamping device of standard knot automatic welding production line | |
| CN220961160U (en) | Fixed subassembly and pipeline nondestructive test equipment | |
| CN217717457U (en) | Equipment for asphalt finished product test | |
| CN217716267U (en) | Portable special equipment verifying attachment | |
| CN218927508U (en) | Clamp for optical crystal cutting | |
| CN219444008U (en) | Special fixture for arm support part | |
| CN220839065U (en) | Aluminum profile part machining clamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |