CN113504107A - Rubber plastic strip stretching capacity detection device - Google Patents
Rubber plastic strip stretching capacity detection device Download PDFInfo
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- CN113504107A CN113504107A CN202110423695.4A CN202110423695A CN113504107A CN 113504107 A CN113504107 A CN 113504107A CN 202110423695 A CN202110423695 A CN 202110423695A CN 113504107 A CN113504107 A CN 113504107A
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- 239000004033 plastic Substances 0.000 title claims abstract description 62
- 238000001514 detection method Methods 0.000 title claims description 6
- 230000007246 mechanism Effects 0.000 claims abstract description 92
- 230000005540 biological transmission Effects 0.000 claims description 36
- 230000000007 visual effect Effects 0.000 claims description 16
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 238000012360 testing method Methods 0.000 abstract description 26
- 238000000034 method Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 10
- 208000012260 Accidental injury Diseases 0.000 abstract description 2
- 208000014674 injury Diseases 0.000 abstract description 2
- 230000002441 reversible effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000149 penetrating effect Effects 0.000 description 3
- 238000012790 confirmation Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000009864 tensile test Methods 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
- G01N3/02—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
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
-
- 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
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
-
- 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
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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
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0278—Thin specimens
- G01N2203/0282—Two dimensional, e.g. tapes, webs, sheets, strips, disks or membranes
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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
- G01N2203/02—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
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
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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 discloses a device for detecting the stretching capacity of a rubber plastic strip, which comprises a supporting mechanism, wherein the upper end of the supporting mechanism is provided with a stretching mechanism for supporting the stretching of the rubber plastic strip, the stretching mechanism is connected with a fixing mechanism for fixing two ends of the rubber plastic strip, and a protection mechanism which is arranged outside the stretching mechanism and used for shielding a stretching area, one side of the protection mechanism is provided with a control panel, and the stretching mechanism and the protection mechanism are connected with the supporting mechanism. According to the invention, the test area is shielded through the protection mechanism, so that accidental injury to testers caused by breakage of the rubber plastic strip in the test process is avoided; through the double clamping and fixing of the fixing mechanism, the rubber plastic strip is transversely and vertically double fixed, the slipping of the fixed end part in the test process is avoided, and the test quality is improved.
Description
Technical Field
The invention relates to the field of plastic inspection, in particular to a device for detecting the stretching capacity of a rubber plastic strip.
Background
The rubber is a high-elasticity polymer material with reversible deformation, has elasticity at room temperature, can generate large deformation under the action of small external force, can recover the original shape after the external force is removed, can be used for daily use and medical use, and has wide application in heavy industries such as traffic, machinery, electronics and the like and some emerging industries.
Before the produced rubber plastic strip leaves the factory, the tensile capability needs to be detected, and the rubber plastic strip meeting a certain tensile strength requirement has the qualification of leaving the factory. However, the conventional tension detection device has the following problems: 1. the stretching component is exposed outside, and the rubber plastic bounces in the process of breaking the rubber plastic, so that unsafe factors exist; 2. the two ends of the rubber plastic are fixed only by clamping through the one-way chuck, and the plastic slipping phenomenon can occur in the stretching process, so that the detection is interrupted, and the detection is troubled.
Disclosure of Invention
The invention aims to solve the problems and provide a device for detecting the stretching capacity of a rubber plastic strip.
The invention realizes the purpose through the following technical scheme:
a device for detecting the stretching capacity of a rubber plastic strip comprises a supporting mechanism, wherein a stretching mechanism for supporting the stretching of the rubber plastic strip is arranged at the upper end of the supporting mechanism, the stretching mechanism is connected with a fixing mechanism for fixing two ends of the rubber plastic strip, and a protection mechanism which is arranged outside the stretching mechanism and used for shielding a stretching area, a control panel is arranged on one side of the protection mechanism, and the stretching mechanism and the protection mechanism are connected with the supporting mechanism;
the supporting mechanism comprises a box body, supporting seats are arranged at four corners of the lower end of the box body, and a sliding groove through which the protection mechanism passes is formed in the upper end face of the box body;
the stretching mechanism comprises a support, a double-helix screw rod penetrates through the inner side of the support, a feed screw is arranged on one side of the double-helix screw rod, a power transmission piece is arranged at the lower end of the double-helix screw rod, and a graduated scale is arranged at the front end of the support;
the fixing mechanism comprises a sliding frame, a support plate is arranged at the lower end of the sliding frame, a first air cylinder is arranged on one side of the support plate, a clamping plate is arranged at the telescopic end of the first air cylinder, a second air cylinder is arranged at the lower end of the sliding frame, a pressing plate is arranged at the telescopic end of the second air cylinder, a through hole is formed in the sliding frame and is positioned in the center of the pressing plate, and the through hole corresponds to the clamping plate;
protection machanism is including fixed cover, fixed cover sets up the drawing mechanism rear side, fixed cover both sides are provided with first movable cover, second movable cover respectively, first movable cover lower extreme passes the box up end, and the inner circle is provided with first rack, second movable cover lower extreme passes the box up end, and the outer lane is provided with the second rack, first rack with be provided with the gear between the second rack, the gear is installed in the pivot, the pivot lower extreme is connected with second servo motor, first movable cover all be provided with the visual window on the second movable cover surface.
Further setting: the power transmission piece comprises a transmission chain wheel, the transmission chain wheel is provided with two positions, one position is arranged at the lower end of the double-helix screw, the other position is arranged on an output shaft of the first servo motor, and a chain is arranged between the transmission chain wheels.
So set up, make first servo motor's turning force pass through the transmission sprocket transmits for double helix screw rod drives double helix screw rod carries out forward and reverse rotation, makes the carriage carries out relative movement.
Further setting: the power transmission piece comprises a transmission belt wheel, the transmission belt wheel is provided with two positions, one position is arranged at the lower end of the double-helix screw rod, the other position is arranged on an output shaft of the first servo motor, and a belt is arranged between the transmission belt wheels.
So set up, make first servo motor's turning force pass through the transmission band pulley transmits for double helix screw rod drives double helix screw rod carries out forward and reverse rotation, makes the carriage carries out relative movement.
Further setting: the first movable cover and the second movable cover are arc-shaped, and the length of each movable cover is larger than 1/4 arc length.
So set up, make first movable cover the second movable cover be convenient for on the box carry out spacing slip in the spout, carry out position control.
Further setting: the first movable cover, the second movable cover and the fixed cover are rotatably connected, the first rack is welded with the first movable cover, and the second rack is welded with the second movable cover.
So set up, make first rack with first movable cover, second rack with second movable cover firm in connection guarantees power transmission's stability.
Further setting: the gear is meshed with the first rack and the second rack to rotate, the rotating shaft is rotatably connected with the box body, and the rotating shaft is connected with the gear through a spline.
According to the arrangement, the first rack and the second rack are driven to rotate in a meshed mode relatively through rotation of the gear, so that the first movable cover and the second movable cover rotate relatively, and the test area is opened and closed.
Further setting: the visual window is made of transparent acrylic materials and is embedded in the first movable cover and the second movable cover respectively.
So set up, be convenient for pass through the visual window is observed the state under the test, makes whole process visual.
Further setting: the sliding frame is in the double helix screw rod be symmetry about being set up on the polished rod external diameter, the double helix screw rod with carriage threaded connection, the carriage with polished rod sliding connection.
So set up, be convenient for through the rotation of double helix screw rod is right the carriage carries out position control.
Further setting: the support plates are symmetrically distributed on two sides of the sliding frame, and anti-skid lines are arranged on the opposite surfaces of the clamping plates.
So set up, improve the clamp plate is in the tight firm nature of clamp of rubber plastic strip under the promotion of first cylinder.
Further setting: the second cylinders are symmetrically fixed on the sliding frame, and the width of the pressing plate is larger than the diameter of the through hole.
Due to the arrangement, the pressing plate is conveniently pulled to move downwards by the second cylinder, so that the rubber plastic strip penetrating through the through hole is clamped between the pressing plate and the sliding frame.
Compared with the prior art, the invention has the following beneficial effects:
1. the first movable cover and the second movable cover of the protection mechanism shield the testing area under the rotation of the gear, so that accidental injury to testing personnel caused by the breakage of the rubber plastic strip in the testing process is avoided;
2. through the double clamping and fixing of the clamping plate and the pressing plate of the fixing mechanism, the rubber plastic strip is transversely and vertically double fixed, the slipping of the fixed end part in the test process is avoided, and the test quality is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a device for testing the stretching ability of a rubber-plastic strip according to the present invention;
FIG. 2 is a schematic structural view of the device for detecting the stretching ability of the rubber plastic strip according to the present invention in an open state of the protection mechanism;
FIG. 3 is a schematic structural diagram of a protection removing mechanism of the device for testing the stretching capacity of the rubber plastic strip;
FIG. 4 is a schematic structural diagram of a protection mechanism of the device for testing the stretching ability of the rubber plastic strip according to the present invention;
FIG. 5 is a schematic view of a partially enlarged structure of a fixing mechanism of the device for testing the stretching ability of a rubber-plastic strip according to the present invention;
FIG. 6 is a schematic view showing a connection structure of a stretching mechanism and a fixing mechanism in embodiment 1 of the device for testing stretching ability of a rubber-plastic strip according to the present invention;
FIG. 7 is a schematic structural view of a stretching mechanism of embodiment 1 of the device for testing the stretching ability of a rubber-plastic strip according to the present invention;
fig. 8 is a schematic structural diagram of a stretching mechanism of embodiment 2 of the device for detecting the stretching capability of the rubber plastic strip according to the present invention.
The reference numerals are explained below:
1. a support mechanism; 11. a box body; 12. a supporting seat; 13. a chute; 2. a stretching mechanism; 21. a support; 22. a double helix screw; 23. a polished rod; 24. a graduated scale; 25. a power transmission member; 251. a transfer sprocket; 252. a transfer pulley; 26. a first servo motor; 3. a fixing mechanism; 31. a carriage; 32. a support plate; 33. a first cylinder; 34. a clamping plate; 35. a second cylinder; 36. pressing a plate; 37. a through hole; 4. a protection mechanism; 41. a fixed cover; 42. a first movable cover; 43. a second movable cover; 44. a first rack; 45. a second rack; 46. a gear; 47. a rotating shaft; 48. a second servo motor; 49. a visual window; 5. a control panel.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The invention will be further described with reference to the accompanying drawings in which:
example 1
As shown in fig. 1-7, a device for detecting the stretching capability of a rubber plastic strip comprises a supporting mechanism 1, a stretching mechanism 2 for supporting the stretching of the rubber plastic strip is arranged at the upper end of the supporting mechanism 1, a fixing mechanism 3 for fixing two ends of the rubber plastic strip is connected to the stretching mechanism 2, and a protection mechanism 4 for shielding a stretching area is arranged outside the stretching mechanism 2, a control panel 5 is arranged on one side of the protection mechanism 4, and the stretching mechanism 2 and the protection mechanism 4 are connected with the supporting mechanism 1;
the supporting mechanism 1 comprises a box body 11, supporting seats 12 are arranged at four corners of the lower end of the box body 11 to support the overall placement stability, and a sliding groove 13 through which the protection mechanism 4 passes is arranged on the upper end face of the box body 11;
the stretching mechanism 2 comprises a support 21, a double-helix screw 22 penetrates through the inner side of the support 21 to drive the sliding frame 31 to move relatively, a light bar 23 is arranged on one side of the double-helix screw 22 to movably guide the sliding frame 31, a power transmission piece 25 is arranged at the lower end of the double-helix screw 22, and a graduated scale 24 is arranged at the front end of the support 21 to facilitate the confirmation of a stretching test position;
the fixing mechanism 3 comprises a sliding frame 31, a support plate 32 is arranged at the lower end of the sliding frame 31, a first air cylinder 33 is arranged on one side of the support plate 32 and provides clamping power for a clamping plate 34, the clamping plate 34 is arranged at the telescopic end of the first air cylinder 33, a second air cylinder 35 is arranged at the lower end of the sliding frame 31 and provides pressing power for a pressing plate 36 to press downwards, the pressing plate 36 is arranged at the telescopic end of the second air cylinder 35, a through hole 37 is formed in the sliding frame 31 at the center of the pressing plate 36, rubber plastic strips can conveniently penetrate through and be fixed, and the through hole 37 corresponds to the clamping plate 34;
protection machanism 4 includes fixed cover 41, fixed cover 41 sets up in the 2 rear sides of stretching mechanism, fixed cover 41 both sides are provided with first movable cover 42 respectively, second movable cover 43, carry out the involution to the test area, first movable cover 42 lower extreme passes the box 11 up end, and the inner circle is provided with first rack 44, second movable cover 43 lower extreme passes the box 11 up end, and the outer lane is provided with second rack 45, be provided with gear 46 between first rack 44 and second rack 45, gear 46 installs on pivot 47, pivot 47 lower extreme is connected with second servo motor 48, provide first movable cover 42, second movable cover 43 rotation power, all be provided with visual window 49 on first movable cover 42, the second movable cover 43 surface.
Preferably: the power transmission member 25 includes a transmission sprocket 251, the transmission sprocket 251 is provided with two positions, one of which is installed at the lower end of the double-helix screw 22, the other is arranged on the output shaft of the first servo motor 26, a chain is arranged between the transmission sprockets 251, so that the rotating power of the first servo motor 26 is transmitted to the double-helix screw 22 through the transmission sprocket 251, the double-helix screw 22 is driven to rotate in the forward and reverse directions, and the sliding frame 31 moves relatively; the first movable cover 42 and the second movable cover 43 are arc-shaped, and the lengths of the first movable cover 42 and the second movable cover 43 are both greater than 1/4 arc lengths, so that the first movable cover 42 and the second movable cover 43 can conveniently perform limited sliding in the sliding chute 13 on the box body 11 to perform position adjustment; the first movable cover 42 and the second movable cover 43 are rotatably connected with the fixed cover 41, the first rack 44 is welded with the first movable cover 42, and the second rack 45 is welded with the second movable cover 43, so that the first rack 44 is firmly connected with the first movable cover 42, the second rack 45 is firmly connected with the second movable cover 43, and the stability of power transmission is ensured; the gear 46 is meshed with the first rack 44 and the second rack 45 to rotate, the rotating shaft 47 is rotatably connected with the box body 11, the rotating shaft 47 is in splined connection with the gear 46, the first rack 44 and the second rack 45 are driven to rotate relatively in a meshed mode through the rotation of the gear 46, so that the first movable cover 42 and the second movable cover 43 rotate relatively, and the test area is opened and closed; the visual window 49 is made of transparent acrylic material, and the visual window 49 is respectively embedded in the first movable cover 42 and the second movable cover 43, so that the state under test can be observed conveniently through the visual window 49, and the whole process is visualized; the sliding frame 31 is arranged on the outer diameters of the double-helix screw rod 22 and the light bar 23 in a vertically symmetrical mode, the double-helix screw rod 22 is in threaded connection with the sliding frame 31, and the sliding frame 31 is in sliding connection with the light bar 23, so that the position of the sliding frame 31 can be adjusted conveniently through the rotation of the double-helix screw rod 22; the support plates 32 are symmetrically distributed on two sides of the sliding frame 31, and anti-skid grains are arranged on opposite surfaces of the clamping plates 34, so that the clamping firmness of the clamping plates 34 on the rubber plastic strips under the pushing of the first air cylinders 33 is improved; the second air cylinder 35 is symmetrically fixed on the sliding frame 31, the width of the pressure plate 36 is larger than the diameter of the through hole 37, so that the pressure plate 36 is pulled by the second air cylinder 35 to move downwards, and the rubber plastic strip penetrating through the through hole 37 forms clamping between the pressure plate 36 and the sliding frame 31.
Example 2
As shown in fig. 1-5 and 8, a device for detecting the stretching capability of a rubber plastic strip comprises a supporting mechanism 1, a stretching mechanism 2 for supporting the stretching of the rubber plastic strip is arranged at the upper end of the supporting mechanism 1, a fixing mechanism 3 for fixing two ends of the rubber plastic strip is connected to the stretching mechanism 2, and a protection mechanism 4 arranged outside the stretching mechanism 2 and used for shielding a stretching area, wherein a control panel 5 is arranged on one side of the protection mechanism 4, and the stretching mechanism 2 and the protection mechanism 4 are connected with the supporting mechanism 1;
the supporting mechanism 1 comprises a box body 11, supporting seats 12 are arranged at four corners of the lower end of the box body 11 to support the overall placement stability, and a sliding groove 13 through which the protection mechanism 4 passes is arranged on the upper end face of the box body 11;
the stretching mechanism 2 comprises a support 21, a double-helix screw 22 penetrates through the inner side of the support 21 to drive the sliding frame 31 to move relatively, a light bar 23 is arranged on one side of the double-helix screw 22 to movably guide the sliding frame 31, a power transmission piece 25 is arranged at the lower end of the double-helix screw 22, and a graduated scale 24 is arranged at the front end of the support 21 to facilitate the confirmation of a stretching test position;
the fixing mechanism 3 comprises a sliding frame 31, a support plate 32 is arranged at the lower end of the sliding frame 31, a first air cylinder 33 is arranged on one side of the support plate 32 and provides clamping power for a clamping plate 34, the clamping plate 34 is arranged at the telescopic end of the first air cylinder 33, a second air cylinder 35 is arranged at the lower end of the sliding frame 31 and provides pressing power for a pressing plate 36 to press downwards, the pressing plate 36 is arranged at the telescopic end of the second air cylinder 35, a through hole 37 is formed in the sliding frame 31 at the center of the pressing plate 36, rubber plastic strips can conveniently penetrate through and be fixed, and the through hole 37 corresponds to the clamping plate 34;
protection machanism 4 includes fixed cover 41, fixed cover 41 sets up in the 2 rear sides of stretching mechanism, fixed cover 41 both sides are provided with first movable cover 42 respectively, second movable cover 43, carry out the involution to the test area, first movable cover 42 lower extreme passes the box 11 up end, and the inner circle is provided with first rack 44, second movable cover 43 lower extreme passes the box 11 up end, and the outer lane is provided with second rack 45, be provided with gear 46 between first rack 44 and second rack 45, gear 46 installs on pivot 47, pivot 47 lower extreme is connected with second servo motor 48, provide first movable cover 42, second movable cover 43 rotation power, all be provided with visual window 49 on first movable cover 42, the second movable cover 43 surface.
Preferably: the power transmission member 25 comprises a transmission belt wheel 252, the transmission belt wheel 252 is provided with two positions, one position is arranged at the lower end of the double-helix screw 22, the other position is arranged on the output shaft of the first servo motor 26, a belt is arranged between the transmission belt wheels 252, so that the rotating power of the first servo motor 26 is transmitted to the double-helix screw 22 through the transmission belt wheel 252, the double-helix screw 22 is driven to rotate in the forward and reverse directions, and the sliding frame 31 moves relatively; the first movable cover 42 and the second movable cover 43 are arc-shaped, and the lengths of the first movable cover 42 and the second movable cover 43 are both greater than 1/4 arc lengths, so that the first movable cover 42 and the second movable cover 43 can conveniently perform limited sliding in the sliding chute 13 on the box body 11 to perform position adjustment; the first movable cover 42 and the second movable cover 43 are rotatably connected with the fixed cover 41, the first rack 44 is welded with the first movable cover 42, and the second rack 45 is welded with the second movable cover 43, so that the first rack 44 is firmly connected with the first movable cover 42, the second rack 45 is firmly connected with the second movable cover 43, and the stability of power transmission is ensured; the gear 46 is meshed with the first rack 44 and the second rack 45 to rotate, the rotating shaft 47 is rotatably connected with the box body 11, the rotating shaft 47 is in splined connection with the gear 46, the first rack 44 and the second rack 45 are driven to rotate relatively in a meshed mode through the rotation of the gear 46, so that the first movable cover 42 and the second movable cover 43 rotate relatively, and the test area is opened and closed; the visual window 49 is made of transparent acrylic material, and the visual window 49 is respectively embedded in the first movable cover 42 and the second movable cover 43, so that the state under test can be observed conveniently through the visual window 49, and the whole process is visualized; the sliding frame 31 is arranged on the outer diameters of the double-helix screw rod 22 and the light bar 23 in a vertically symmetrical mode, the double-helix screw rod 22 is in threaded connection with the sliding frame 31, and the sliding frame 31 is in sliding connection with the light bar 23, so that the position of the sliding frame 31 can be adjusted conveniently through the rotation of the double-helix screw rod 22; the support plates 32 are symmetrically distributed on two sides of the sliding frame 31, and anti-skid grains are arranged on opposite surfaces of the clamping plates 34, so that the clamping firmness of the clamping plates 34 on the rubber plastic strips under the pushing of the first air cylinders 33 is improved; the second air cylinder 35 is symmetrically fixed on the sliding frame 31, the width of the pressure plate 36 is larger than the diameter of the through hole 37, so that the pressure plate 36 is pulled by the second air cylinder 35 to move downwards, and the rubber plastic strip penetrating through the through hole 37 forms clamping between the pressure plate 36 and the sliding frame 31.
The working principle and the using process of the invention are as follows: the rubber plastic strip to be tested passes through the through hole 37 of the lower upper sliding frame 31, the second air cylinder 35 on the sliding frame 31 contracts, the pressing plate 36 and the sliding frame 31 bend and compress the rubber plastic strip, then the first air cylinder 33 stretches and retracts to push the clamping plate 34 to move relatively, the rubber plastic strip is vertically clamped, after the rubber plastic strip is fixed, the second servo motor 48 rotates to drive the gear 46 on the rotating shaft 47 to rotate, the rubber plastic strip is meshed with the first rack 44 and the second rack 45 to rotate, the first movable cover 42 and the second movable cover 43 are screwed out, a testing area is sealed, the double-helix screw rod 22 rotates, the sliding frame 31 moves backwards, and the fixed rubber plastic strip is subjected to tensile testing.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (10)
1. The utility model provides a rubber plastic strip tensile ability detection device which characterized in that: the rubber plastic strip stretching device comprises a supporting mechanism (1), wherein a stretching mechanism (2) for supporting the stretching of a rubber plastic strip is arranged at the upper end of the supporting mechanism (1), a fixing mechanism (3) for fixing two ends of the rubber plastic strip and a protection mechanism (4) which is arranged on the outer side of the stretching mechanism (2) and used for shielding a stretching area are connected to the stretching mechanism (2), a control panel (5) is arranged on one side of the protection mechanism (4), and the stretching mechanism (2) and the protection mechanism (4) are connected with the supporting mechanism (1);
the supporting mechanism (1) comprises a box body (11), supporting seats (12) are arranged at four corners of the lower end of the box body (11), and a sliding groove (13) through which the protection mechanism (4) passes is arranged on the upper end face of the box body (11);
the stretching mechanism (2) comprises a support (21), a double-helix screw (22) penetrates through the inner side of the support (21), a light bar (23) is arranged on one side of the double-helix screw (22), a power transmission piece (25) is arranged at the lower end of the double-helix screw (22), and a graduated scale (24) is arranged at the front end of the support (21);
the fixing mechanism (3) comprises a sliding frame (31), a support plate (32) is arranged at the lower end of the sliding frame (31), a first air cylinder (33) is arranged on one side of the support plate (32), a clamping plate (34) is arranged at the telescopic end of the first air cylinder (33), a second air cylinder (35) is arranged at the lower end of the sliding frame (31), a pressing plate (36) is arranged at the telescopic end of the second air cylinder (35), a through hole (37) is formed in the sliding frame (31) and located in the center of the pressing plate (36), and the through hole (37) corresponds to the clamping plate (34);
the protection mechanism (4) comprises a fixed cover (41), the fixed cover (41) is arranged at the rear side of the stretching mechanism (2), a first movable cover (42) and a second movable cover (43) are respectively arranged at two sides of the fixed cover (41), the lower end of the first movable cover (42) penetrates through the upper end surface of the box body (11), the inner ring is provided with a first rack (44), the lower end of the second movable cover (43) penetrates through the upper end surface of the box body (11), and the outer ring is provided with a second rack (45), a gear (46) is arranged between the first rack (44) and the second rack (45), the gear (46) is arranged on a rotating shaft (47), the lower end of the rotating shaft (47) is connected with a second servo motor (48), visual windows (49) are arranged on the outer surfaces of the first movable cover (42) and the second movable cover (43).
2. The device for detecting the stretching ability of the rubber plastic strip according to claim 1, wherein: the power transmission piece (25) comprises a transmission chain wheel (251), the transmission chain wheel (251) is provided with two positions, one position is arranged at the lower end of the double-helix screw (22), the other position is arranged on an output shaft of the first servo motor (26), and a chain is arranged between the transmission chain wheels (251).
3. The device for detecting the stretching ability of the rubber plastic strip according to claim 1, wherein: the power transmission piece (25) comprises a transmission belt wheel (252), the transmission belt wheel (252) is provided with two positions, one position is arranged at the lower end of the double-helix screw rod (22), the other position is arranged on an output shaft of the first servo motor (26), and a belt is arranged between the transmission belt wheels (252).
4. The device for detecting the stretching ability of the rubber plastic strip according to claim 1, wherein: the first movable cover (42) and the second movable cover (43) are arc-shaped, and the lengths of the first movable cover and the second movable cover are both greater than 1/4 arc lengths.
5. The device for detecting the stretching ability of the rubber plastic strip according to claim 1, wherein: the first movable cover (42) and the second movable cover (43) are rotationally connected with the fixed cover (41), the first rack (44) is welded with the first movable cover (42), and the second rack (45) is welded with the second movable cover (43).
6. The device for detecting the stretching ability of the rubber plastic strip according to claim 1, wherein: the gear (46) is meshed with the first rack (44) and the second rack (45) to rotate, the rotating shaft (47) is rotatably connected with the box body (11), and the rotating shaft (47) is in splined connection with the gear (46).
7. The device for detecting the stretching ability of the rubber plastic strip according to claim 1, wherein: the visual window (49) is made of transparent acrylic materials, and the visual window (49) is embedded in the first movable cover (42) and the second movable cover (43) respectively.
8. The device for detecting the stretching ability of the rubber plastic strip according to claim 1, wherein: carriage (31) be in double helix screw rod (22) be symmetry about being set up on polished rod (23) external diameter, double helix screw rod (22) with carriage (31) threaded connection, carriage (31) with polished rod (23) sliding connection.
9. The device for detecting the stretching ability of the rubber plastic strip according to claim 1, wherein: the support plates (32) are symmetrically distributed on two sides of the sliding frame (31), and anti-skid grains are arranged on opposite surfaces of the clamping plates (34).
10. The device for detecting the stretching ability of the rubber plastic strip according to claim 1, wherein: the second air cylinders (35) are symmetrically fixed on the sliding frame (31), and the width of the pressing plate (36) is larger than the diameter of the through hole (37).
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| CN202110423695.4A CN113504107B (en) | 2021-04-20 | 2021-04-20 | Rubber plastic strip stretching ability detection device |
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| CN202110423695.4A CN113504107B (en) | 2021-04-20 | 2021-04-20 | Rubber plastic strip stretching ability detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117433909A (en) * | 2023-12-21 | 2024-01-23 | 河北厚润金属制品有限公司 | Intensity detection device is used in production of to drawing screw rod |
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