CN113466069A - Full-automatic bending resistance testing machine - Google Patents
Full-automatic bending resistance testing machine Download PDFInfo
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- CN113466069A CN113466069A CN202110820408.3A CN202110820408A CN113466069A CN 113466069 A CN113466069 A CN 113466069A CN 202110820408 A CN202110820408 A CN 202110820408A CN 113466069 A CN113466069 A CN 113466069A
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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
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
- G01N3/36—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces generated by pneumatic or hydraulic means
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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
- G01N3/02—Details
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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
- G01N3/02—Details
- G01N3/04—Chucks
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- 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
- G01N2203/0001—Type of application of the stress
- G01N2203/0005—Repeated or cyclic
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- 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
- G01N2203/0023—Bending
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- 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
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0044—Pneumatic means
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- 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
- G01N2203/0058—Kind of property studied
- G01N2203/006—Crack, flaws, fracture or rupture
- G01N2203/0067—Fracture or rupture
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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- 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 provides a full-automatic bending resistance testing machine, which comprises: a machine platform; the touch screen is arranged outside the machine table; the guide rail is arranged on the top surface of the machine table; the sample clamping device is arranged at two ends of the guide rail and moves close to and away from each other on the guide rail; the clamping assembly is arranged right above the middle part of the guide rail; the gas source is connected with the stretching cylinder and the clamping cylinder through the gas path; the positioning structure is arranged on one side beside the guide rail; the snapping sensor is arranged on one side beside the guide rail; PLC master control system. The PLC master control system is used for operating, and the touch screen is arranged on the machine table, so that the PLC master control system is simple and convenient to operate, and the test result is accurate.
Description
Technical Field
The invention relates to the technical field of test detection equipment, in particular to a full-automatic bending resistance testing machine.
Background
When a polytetrafluoroethylene product in the sealing element industry is used under certain working conditions, the fatigue resistance of the material of the polytetrafluoroethylene product can directly influence the service life of the polytetrafluoroethylene product. The fatigue resistance of raw materials or products produced by pure polytetrafluoroethylene with different grades and fillers with different types and contents (namely different formulas) is different. Currently, there is no uniform, intuitive, operable, and result-quantifiable test method and apparatus for fatigue resistance of such products throughout the industry.
There is a need for a novel bending tester which can solve the above problems.
Disclosure of Invention
The invention provides a full-automatic bending resistance testing machine, which is used for formulating a set of testing machine for testing the fatigue resistance of polytetrafluoroethylene products by technically improving the existing bending resistance testing equipment. The problem that no test detection equipment which is unified, intuitive, operable and quantifiable in result exists is solved.
In order to solve the technical problems, the invention specifically adopts the following technical scheme:
a fully automatic bend resistance tester, comprising:
a machine platform;
the touch screen is arranged outside the machine table;
the guide rail is arranged on the top surface of the machine table;
the sample clamping devices are arranged at two ends of the guide rail and move close to and away from each other on the guide rail;
the sample clamping device is connected with the output end of the stretching cylinder, and the stretching cylinder drives the sample clamping device to move close to and separate from each other;
the clamping assembly is arranged right above the middle part of the guide rail;
the air source and the air path are arranged inside the machine table and are connected with the stretching cylinder and the clamping cylinder through the air path;
the positioning structure is arranged on one side beside the guide rail;
the snapping sensor is arranged on one side beside the guide rail;
the PLC master control system is arranged inside the machine table and is electrically connected with the touch screen, the stretching cylinder, the clamping assembly, the air source and the snapping sensor.
Preferably, the centre gripping subassembly includes centre gripping cylinder, mounting bracket and gripper jaw, and fixed mounting has the mounting bracket on the board, and the centre gripping cylinder is installed on the mounting bracket, and the gripper jaw is installed to centre gripping cylinder output, centre gripping cylinder and gripper jaw setting are directly over the guide rail middle part, centre gripping cylinder drive gripper jaw carries out the clamping action.
Preferably, the location structure includes location excellent seat and location stick, the location excellent seat is installed in board upper guideway one side, the location stick is articulated to be installed on the location excellent seat, just the location stick is located between two kind clamping device after the upset.
Preferably, a pressure stabilizing valve is arranged on the gas path and is electrically connected with the PLC master control system.
Preferably, sample clamping device includes sliding base, compresses tightly strip and housing screw, sliding base slidable mounting is on the guide rail, sliding base links to each other with tensile cylinder output, sliding base has last seted up and has placed the draw-in groove, it is unanimous with sliding base slip direction to place the draw-in groove direction, it is used for placing sample to place the draw-in groove, place the draw-in groove top and set up the perpendicular to and place the strip fixed slot that compresses tightly of draw-in groove direction, compress tightly the strip and pass through housing screw and fix on compressing tightly the strip fixed slot.
Preferably, the stretching cylinder is provided with a home position sensor and an in-place sensor.
Preferably, the bottom surface of the machine table is provided with a lifting base and universal wheels, the lifting base and the universal wheels are arranged at four corners of the bottom surface of the machine table, and the lifting base is lifted relative to the machine table.
Compared with the prior art, the invention has the following beneficial effects:
1) according to the invention, the guide rail is arranged on the machine table, the sample clamping devices are slidably arranged on the guide rail, the sample to be detected is fixedly arranged between the sample clamping devices, the sample is bent, clamped, straightened and counted through the stretching cylinder and the clamping cylinder, the sample is controlled through the PLC main control system, and the touch screen is also arranged on the machine table, so that the operation is simple and convenient, and the test result is accurate.
2) The compressed air of the air source of the invention firstly passes through the pressure stabilizing valve and then leads to each air cylinder, and when the pressure of the air source is lower than the set pressure of the pressure stabilizing valve, the PLC can alarm and can not normally carry out the test. Only when the pressure of the air source is higher than the set pressure of the pressure stabilizing valve, each device normally works, and at the moment, even if the pressure of the air source fluctuates to some extent, the pressure stabilizing valve can also play a role in regulation, so that the consistent stability of the output air pressure is ensured. After the air pressure is stable, the clamping force of the clamping air cylinder or the stretching force of the stretching air cylinder are very stable, the consistency of different sample pieces can be guaranteed under the basic condition of the test, and the test result has good comparability.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a sample holding device according to the present invention;
FIG. 3 is a schematic view of a clamping assembly of the present invention;
FIG. 4 is a bottom view of the present invention;
FIG. 5 is a schematic diagram of a host interface according to the present invention;
description of reference numerals: the device comprises a machine table 1, a guide rail 2, a sample piece clamping device 3, a sliding base 31, a placing clamping groove 311, a pressing strip fixing groove 312, a pressing strip 32, a pressing screw 33, a stretching cylinder 4, a clamping assembly 5, a clamping cylinder 51, a mounting frame 52, a clamping claw 53, a positioning structure 6, a positioning rod seat 61, a positioning rod 62, a lifting base 7 and a universal wheel 8.
Detailed Description
The details of the present invention will be described below with reference to the accompanying drawings and examples.
As shown in fig. 1 to 5, the present embodiment provides a fully automatic bending resistance tester, including:
a machine table 1;
the touch screen is arranged outside the machine table 1;
the guide rail 2 is arranged on the upper top surface of the machine table 1;
the sample clamping devices 3 are arranged at two ends of the guide rail 2, and the sample clamping devices 3 move close to each other and move apart from each other on the guide rail 2;
the sample clamping device 3 is connected with the output end of the stretching cylinder 4, and the stretching cylinder 4 drives the sample clamping device 3 to move close to each other and move apart from each other;
the clamping assembly 5 is arranged right above the middle part of the guide rail 2;
the device comprises an air source and an air path, wherein the air source and the air path are arranged inside a machine table 1 and are connected with a stretching cylinder 4 and a clamping cylinder 51 through the air path;
the positioning structure 6 is arranged on one side beside the guide rail 2;
the snapping sensor is arranged on one side beside the guide rail 2;
the PLC master control system is arranged inside the machine table 1 and is electrically connected with the touch screen, the stretching cylinder 4, the clamping assembly 5, the air source and the snapping sensor.
Further, the clamping assembly 5 comprises a clamping cylinder 51, a mounting frame 52 and a clamping claw 53, the mounting frame 52 is fixedly mounted on the machine table 1, the clamping cylinder 51 is mounted on the mounting frame 52, the clamping claw 53 is mounted at the output end of the clamping cylinder 51, the clamping cylinder 51 and the clamping claw 53 are arranged right above the middle part of the guide rail 2, and the clamping cylinder 51 drives the clamping claw 53 to perform clamping action.
Further, in order to realize location structure 6's location effect, the easy to assemble appearance piece, location structure 6 includes location stick seat 61 and location stick 62, location stick seat 61 is installed in board 1 upper guideway 2 one side, location stick 62 is articulated to be installed on location stick seat 61, just location stick 62 is located between two appearance clamping device 3 after the upset. After the positioning rod 62 is clamped between the sample clamping devices 3, the sample is mounted on the sample clamping devices 3, and then the sample is separated and pulled by controlling the stretching cylinder 4, and then the positioning rod 62 is turned over to the outside of the guide rail 2.
Furthermore, in order to prevent the stability of the equipment from being influenced by the fluctuation of the pressure of the air source, a pressure stabilizing valve is arranged on the air path and is electrically connected with the PLC master control system.
Further, sample holder 3 includes sliding bottom 31, compresses tightly strip 32 and housing screw 33, sliding bottom 31 slidable mounting is on guide rail 2, sliding bottom 31 links to each other with the 4 output ends of stretch cylinder, sliding bottom 31 is last to have seted up and to have placed draw-in groove 311, it is unanimous with sliding bottom 31 slip direction to place draw-in groove 311 direction, it is used for placing sample to place draw-in groove 311, it sets up the perpendicular to and places the strip fixed slot 312 that compresses tightly of draw-in groove 311 direction to place draw-in groove 311 top, it fixes on compressing tightly strip fixed slot 312 through housing screw 33 to compress tightly strip 32.
Further, a home position sensor and an in-place sensor are arranged on the stretching cylinder 4.
Further, three groups of guide rails 2, a sample piece clamping device 3, a stretching cylinder 4, a clamping assembly 5, a positioning structure 6 and a snapping sensor are arranged on the machine table 1 in parallel.
Further, for the convenience of placing and moving the machine table 1, the bottom surface of the machine table 1 is provided with a lifting base 7 and universal wheels 8, the lifting base 7 and the universal wheels are installed at four corners of the bottom surface of the machine table 1, and the lifting base 7 is lifted relative to the machine table 1.
Examples of test procedures
S1, starting the machine, connecting the air source, and touching the 1 st group of reset keys in the main control picture of the touch screen;
s2, rotating the positioning rod of the 1 st group between the two sample clamping devices;
s3, switching to a manual picture, touching a pull 1 key in the manual picture, and pushing the two sample clamping devices to be closed by the stretching air cylinder until the clamping and positioning rod is clamped
S4, unscrewing a compression screw on the sample clamping device, and opening a sample compression strip;
s5, putting the sample piece into a proper position of the two sample piece clamping devices and pressing the sample piece tightly (note that the sample piece must be straightened as much as possible during installation, and the installed sample piece cannot be bent too much);
s6, touching a 'pull 1' key, and pulling the two sample clamping devices to move towards the separating direction by the stretching cylinder until the positioning rod is released;
s7, rotating the positioning rod away from the position between the two sample clamping devices;
s8, touching a 'pull 1' key, pulling the cylinder to push the two sample clamping devices to fold, and guiding the two sample clamping devices upwards in the middle of the test sample by using a screwdriver without sharp angles or other slender tools without sharp angles in the folding process to enable the bending part to be as far as the middle;
s9, touching the 'clamp 1' key to enable the clamping cylinder to clamp the sample piece by one print approximately, and touching the 'clamp 1' key again in a short time (generally not more than 1 second) to release the clamping cylinder;
s10, switching to a main control picture, touching a reset key and a zero clearing key in the main control picture, enabling each cylinder to be in a reset state, and clearing all data;
s11, touching a start key, starting a normal test flow of bending, clamping, straightening and counting … … till the test sample is broken, lighting a breaking sensor and stopping the test;
and S12, recording the bending times and cleaning the machine.
In the embodiment, the guide rail is arranged on the machine table, the sample piece clamping devices are slidably mounted on the guide rail, the sample pieces to be detected are fixedly mounted between the sample piece clamping devices, the sample pieces are bent, clamped, straightened and counted through the stretching air cylinder and the clamping air cylinder, the sample pieces are operated through the PLC master control system, and the touch screen is further arranged on the machine table, so that the operation is simple and convenient, and the test result is accurate.
The compressed air of the air source of the embodiment firstly passes through the pressure stabilizing valve and then leads to each air cylinder, and the PLC alarms when the pressure of the air source is lower than the set pressure of the pressure stabilizing valve, so that the test cannot be normally carried out. Only when the pressure of the air source is higher than the set pressure of the pressure stabilizing valve, each device normally works, and at the moment, even if the pressure of the air source fluctuates to some extent, the pressure stabilizing valve can also play a role in regulation, so that the consistent stability of the output air pressure is ensured. After the air pressure is stable, the clamping force of the clamping air cylinder or the stretching force of the stretching air cylinder are very stable, the consistency of different sample pieces can be guaranteed under the basic condition of the test, and the test result has good comparability.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the description of the attached drawings, the specific connection mode of each part adopts conventional means such as mature bolts, rivets, welding and the like in the prior art, the machines, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or through an intermediary, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases for those skilled in the art.
Claims (8)
1. The utility model provides a full-automatic resistant machine of bending, its characterized in that includes:
a machine platform;
the touch screen is arranged outside the machine table;
the guide rail is arranged on the top surface of the machine table;
the sample clamping devices are arranged at two ends of the guide rail and move close to and away from each other on the guide rail;
the sample clamping device is connected with the output end of the stretching cylinder, and the stretching cylinder drives the sample clamping device to move close to and separate from each other;
the clamping assembly is arranged right above the middle part of the guide rail;
the air source and the air path are arranged inside the machine table and are connected with the stretching cylinder and the clamping cylinder through the air path;
the positioning structure is arranged on one side beside the guide rail;
the snapping sensor is arranged on one side beside the guide rail;
the PLC master control system is arranged inside the machine table and is electrically connected with the touch screen, the stretching cylinder, the clamping assembly, the air source and the snapping sensor.
2. The full-automatic bending resistance testing machine of claim 1, wherein the clamping assembly comprises a clamping cylinder, a mounting frame and a clamping claw, the mounting frame is fixedly mounted on the machine table, the clamping cylinder is mounted on the mounting frame, the clamping claw is mounted at an output end of the clamping cylinder, the clamping cylinder and the clamping claw are arranged right above the middle part of the guide rail, and the clamping cylinder drives the clamping claw to perform clamping action.
3. The full-automatic bending resistance testing machine of claim 1, wherein the positioning structure comprises a positioning rod seat and a positioning rod, the positioning rod seat is installed on one side of the guide rail on the machine table, the positioning rod is hinged on the positioning rod seat, and the positioning rod is located between the two sample clamping devices after being turned over.
4. The full-automatic bending resistance testing machine according to claim 1, wherein a pressure stabilizing valve is arranged on the air path, and the pressure stabilizing valve is electrically connected with a PLC main control system.
5. The full-automatic bending resistance testing machine according to claim 1, wherein the sample clamping device comprises a sliding base, a pressing strip and a pressing screw, the sliding base is slidably mounted on the guide rail, the sliding base is connected with the output end of the stretching cylinder, a placing clamping groove is formed in the sliding base, the direction of the placing clamping groove is consistent with the sliding direction of the sliding base, the placing clamping groove is used for placing a sample, a pressing strip fixing groove perpendicular to the direction of the placing clamping groove is formed above the placing clamping groove, and the pressing strip is fixed on the pressing strip fixing groove through the pressing screw.
6. The automatic bending resistance testing machine of claim 1, wherein the stretching cylinder is provided with an in-situ sensor and an in-place sensor.
7. The full-automatic bending resistance testing machine of claim 1, wherein three groups of guide rails, a sample piece clamping device, a stretching cylinder, a clamping assembly, a positioning structure and a snapping sensor are arranged on the machine table in parallel.
8. The full-automatic bending resistance testing machine of claim 1, wherein the bottom surface of the machine platform is provided with a lifting base and universal wheels, the lifting base and the universal wheels are arranged at four corners of the bottom surface of the machine platform, and the lifting base is lifted relative to the machine platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110820408.3A CN113466069B (en) | 2021-07-20 | 2021-07-20 | Full-automatic bending-resistant testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110820408.3A CN113466069B (en) | 2021-07-20 | 2021-07-20 | Full-automatic bending-resistant testing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113466069A true CN113466069A (en) | 2021-10-01 |
| CN113466069B CN113466069B (en) | 2023-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110820408.3A Active CN113466069B (en) | 2021-07-20 | 2021-07-20 | Full-automatic bending-resistant testing machine |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106066288A (en) * | 2016-08-15 | 2016-11-02 | 温州市八达光学有限公司 | A kind of memory metal central sill endurance test instrunment |
| CN205861467U (en) * | 2016-07-29 | 2017-01-04 | 华峰集团有限公司 | Band low temperature folding test device |
| CN209247552U (en) * | 2018-11-09 | 2019-08-13 | 湖北明丰纤维科技有限公司 | A kind of paper slip folding strength testing machine |
| CN210358725U (en) * | 2019-06-24 | 2020-04-21 | 深圳市六七八自动化设备有限公司 | Flat clamping machine |
| CN112378762A (en) * | 2020-10-16 | 2021-02-19 | 苏州敏发科精密电子科技有限公司 | Full-automatic detection method for metal injection molding finished product |
-
2021
- 2021-07-20 CN CN202110820408.3A patent/CN113466069B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205861467U (en) * | 2016-07-29 | 2017-01-04 | 华峰集团有限公司 | Band low temperature folding test device |
| CN106066288A (en) * | 2016-08-15 | 2016-11-02 | 温州市八达光学有限公司 | A kind of memory metal central sill endurance test instrunment |
| CN209247552U (en) * | 2018-11-09 | 2019-08-13 | 湖北明丰纤维科技有限公司 | A kind of paper slip folding strength testing machine |
| CN210358725U (en) * | 2019-06-24 | 2020-04-21 | 深圳市六七八自动化设备有限公司 | Flat clamping machine |
| CN112378762A (en) * | 2020-10-16 | 2021-02-19 | 苏州敏发科精密电子科技有限公司 | Full-automatic detection method for metal injection molding finished product |
Non-Patent Citations (1)
| Title |
|---|
| 艾海荣 等: "《印刷材料》", 31 August 2016, 北京：中国轻工业出版社 * |
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