CN110044704A - A kind of Packaging Box tensile strength test method - Google Patents
A kind of Packaging Box tensile strength test method Download PDFInfo
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- CN110044704A CN110044704A CN201910392987.9A CN201910392987A CN110044704A CN 110044704 A CN110044704 A CN 110044704A CN 201910392987 A CN201910392987 A CN 201910392987A CN 110044704 A CN110044704 A CN 110044704A
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- packaging box
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- tensile strength
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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
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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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
- G01N2203/0003—Steady
-
- 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
- G01N2203/0058—Kind of property studied
- G01N2203/006—Crack, flaws, fracture or rupture
- G01N2203/0067—Fracture or rupture
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention relates to a kind of Packaging Box tensile strength test method, including bottom plate, stretching device and clamping device, and the bottom plate upper end is provided with stretching device, and stretching device is symmetrically mounted on bottom plate, and stretching device upper end is equipped with clamping device.When the present invention can solve existing carton and stretch, tension variations are uneven, carton tension test inaccuracy, influence the accuracy of experiment, simultaneously when being clamped to carton ends, clamping effect is poor, Packaging Box is easy that relative displacement occurs with clamping tooling, and carton ends are easy unbalance stress when being clamped, carton retaining part is caused the problems such as to be damaged, it uses the design concept of biaxial tension, by becoming the different test methods of pulling force and constant force, the advantages that effectively can accurately be tested the tensile strength of Packaging Box.
Description
Technical field
The present invention relates to Packaging Box technical field, in particular to a kind of Packaging Box tensile strength test method.
Background technique
Carton is most widely used packing articles, by materials difference, has corrugated case, single cardboard box etc., has various
Specification and model.Packaging Box is usually what paper products manufactured, for packing the apparatus of all kinds of articles, Packaging Box is at low cost,
It is easy to encapsulate, is suitble to the suitable product export packaging such as addition filler, clean, goods transportation, material consolidation etc..Packaging Box because
It is usually used in transport, protection product, therefore, the resistance to compression of Packaging Box, adhesive strength, puncture, simulation transport antidetonation, is fallen tension
Etc. performances need higher requirement.
Currently, existing Packaging Box when carrying out tensile strength test, usually have the following deficiencies: 1, to carton into
When row stretches, tension variations are uneven, and carton tension test inaccuracy influences the accuracy of experiment；2, to carton ends into
When row clamping, clamping effect is poor, and Packaging Box is easy that relative displacement occurs with clamping tooling, and carton ends are being pressed from both sides
It is easy unbalance stress when holding, retaining part is be easy to cause to be damaged.
Summary of the invention
(1) technical problems to be solved
When the present invention can solve existing carton and stretch, tension variations are uneven, carton tension test inaccuracy,
The accuracy of experiment is influenced, while when clamping to carton ends, clamping effect is poor, Packaging Box is easy and clamping work
Relative displacement occurs for dress, and carton ends are easy unbalance stress when being clamped, and carton retaining part is caused to be damaged
Etc. problems.
(2) technical solution
To achieve the goals above, the present invention use following technical scheme, a kind of Packaging Box tensile strength test method,
The following steps are included:
S1, installation and positioning after the expansion of sample carton are completed on clamping tooling；
S2, starting stretching device, to the sample carton in step S1 by the way of the pulling force for uniformly increasing stretching device
It is stretched；
S3, starting stretching device, using stretching device pulling force it is invariable by the way of to the sample paper in step S1
Case is stretched；
S4, the situation that breakage and the rupture of carton are tested in step S2 and S3 is observed and recorded by artificial mode.
Flow chart of the above-mentioned Packaging Box tensile strength test method in S1-S4 step need to be by bottom plate, stretching device
Corresponding processing operation is completed with clamping device cooperation.
The bottom plate upper end is provided with stretching device, and stretching device is symmetrically mounted on bottom plate, stretching device upper end peace
Equipped with clamping device.
The clamping device includes support frame, position-limited rack, clamping tooling and buffer gear, and the support frame is rectangle
Hollow structure, support frame internal symmetry are equipped with position-limited rack, and support frame internal symmetry is provided with clamping tooling, and clamping tooling passes through
The mode being slidably matched is connect with position-limited rack, and outer end is symmetrically installed with buffer gear inside support frame.
The clamping tooling includes movable plate, rotation seat, rotor plate, clamping frame and locking branch, the movable plate
Outside is connect by way of being slidably matched with position-limited rack, is equipped with rotation seat on the left of movable plate upper end, rotation seat upper end with turn
Lower end connection on the left of movable plate, rotor plate right side are mounted on clamping frame with movable plate right side, and two clamping framves are symmetrical arranged, rotation
Plate right end is symmetrically installed with locking branch.
Preferably, the stretching device includes sliding rack, draft cylinder, sliding panel and wirerope, on the bottom plate
End is symmetrically installed with sliding rack, and sliding rack section is U-shaped structure, and sliding is equipped with by way of being slidably matched inside sliding rack
Plate, is equipped with draft cylinder between sliding panel lower end and bottom plate, sliding panel upper end is evenly arranged with wirerope, wirerope one end with
Sliding panel connection, the wirerope other end are connect with clamping device.
Preferably, the buffer gear includes buffer board, sliding bar and adjustable spring, is provided with sliding on the outside of support frame
Bar, sliding bar are connect by way of being slidably matched with support plate, are equipped with buffer board on the inside of sliding bar, buffer board medial surface is set
It is equipped with rubber pad, is provided with adjustable spring on the sliding bar between support plate and buffer board.
Preferably, the locking branch includes swivel becket, tie down screw, threaded block and locking bed, the rotor plate
On be provided with threaded block, tie down screw is installed by way of being threadedly engaged, tie down screw upper end is equipped with inside threaded block
Swivel becket is provided with the locking bed with tie down screw cooperation on movable plate.
Preferably, the rotation seat includes U-shaped frame, fixing axle, rotational sleeve and reduction torsion spring, the U-shaped frame peace
On the outside of movable plate upper end, fixing axle is installed inside U-shaped frame, fixing axle is evenly arranged with by way of being slidably matched to be turned
Moving sleeve, rotational sleeve upper end are connected with rotor plate, are equipped with reduction torsion spring in the fixing axle between adjacent rotated sleeve.
Preferably, the clamping frame includes card adapter plate, anti-slop serrations and elastic cushion, and the card adapter plate section is right angle ladder
Shape structure is uniformly equipped with anti-slop serrations on the inclined surface of card adapter plate, is equipped with elastic cushion on the inside of card adapter plate, uniformly sets on elastic cushion
It is equipped with friction protrusion.
Preferably, the support frame internal symmetry is equipped with fixed plate, and dead plate upper end is evenly arranged with concave groove, recessed
Ball uniformly is installed inside type groove, clamping tooling lower end is located at ball upper end.
Preferably, the locking bed is internally provided with the screw thread with tie down screw cooperation, and locking bed lower end passes through free bearing
It is mounted on movable plate.
Preferably, the anti-slop serrations section is triangular structure of right angle, the right-angle side of anti-slop serrations and the inclination of card adapter plate
Face is arranged vertically.
(3) beneficial effect
1. Packaging Box tensile strength test method provided by the invention, uses the design concept of biaxial tension, passes through
The different test methods for becoming pulling force and constant force, effectively can accurately test the tensile strength of Packaging Box；
2. clamping device provided by the invention, clamping tooling accurately can clamp to Packaging Box edge solid
It is fixed, relative displacement can occur when carrying out extension test to avoid Packaging Box, while the clamping part of Packaging Box can be prevented
Occur to be crushed, guarantees the accuracy of test experiments.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the schematic perspective view between bottom plate of the present invention, stretching device and clamping device；
Fig. 2 is the schematic perspective view of clamping device of the present invention；
Fig. 3 is the structural schematic diagram of clamping tooling of the present invention；
Fig. 4 is the schematic diagram of the section structure of Fig. 3 of the present invention；
Fig. 5 is the use state diagram of clamping device of the present invention.
Specific embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention can be defined by the claims
Implement with the multitude of different ways of covering.
As shown in Figures 1 to 5, a kind of Packaging Box tensile strength test method, comprising the following steps:
S1, installation and positioning after the expansion of sample carton are completed on clamping tooling 33；
S2, starting stretching device 2, to the sample carton in step S1 by the way of uniformly increasing by 2 pulling force of stretching device
It is stretched；
S3, starting stretching device 2, to the sample paper in step S1 in such a way that the tensions constant of stretching device 2 is constant
Case is stretched；
S4, the situation that breakage and the rupture of carton are tested in step S2 and S3 is observed and recorded by artificial mode.
Flow chart of the above-mentioned Packaging Box tensile strength test method in S1-S4 step need to be by bottom plate 1, stretching device
2 and the cooperation of clamping device 3 complete corresponding processing operation.
1 upper end of bottom plate is provided with stretching device 2, and stretching device 2 is symmetrically mounted on bottom plate 1, on stretching device 2
End is equipped with clamping device 3.
The stretching device 2 includes sliding rack 21, draft cylinder 22, sliding panel 23 and wirerope 24, the bottom plate 1
Upper end is symmetrically installed with sliding rack 21, and 21 section of sliding rack is U-shaped structure, is pacified by way of being slidably matched inside sliding rack 21
Equipped with sliding panel 23, draft cylinder 22 is installed between 23 lower end of sliding panel and bottom plate 1,23 upper end of sliding panel is evenly arranged with steel
Cord 24,24 one end of wirerope are connect with sliding panel 23, and 24 other end of wirerope is connect with clamping device 3, when having work, are drawn
It stretches cylinder 22 and uniform increased pulling force or constant pulling force is applied to clamping tooling 33 by wirerope 24.
The clamping device 3 includes support frame 31, position-limited rack 32, clamping tooling 33 and buffer gear 34, the branch
Support 31 is rectangle hollow structure, and 31 internal symmetry of support frame is equipped with position-limited rack 32, and 31 internal symmetry of support frame is provided with folder
Tooling 33 is held, clamping tooling 33 is connect by way of being slidably matched with position-limited rack 32, and 31 inside outer end of support frame is symmetrically installed
There is buffer gear 34, when having work, clamping tooling 33 can be gripped Packaging Box end, and buffer gear 34 can
Direct collision occurs to avoid clamping tooling 33 and support frame 31.
31 internal symmetry of support frame is equipped with fixed plate 311, and 311 upper end of fixed plate is evenly arranged with concave groove
312,312 inside of concave groove is uniformly equipped with ball 313, and 33 lower end of clamping tooling is located at 313 upper end of ball, when there is work,
Ball 313 can effectively reduce the friction between clamping tooling 33 and fixed plate 311, guarantee the accuracy of tension test.
The clamping tooling 33 includes movable plate 331, rotation seat 332, rotor plate 333, clamping frame 334 and locking branch
335,331 outside of movable plate is connect by way of being slidably matched with position-limited rack 32, installation on the left of 331 upper end of movable plate
There is rotation seat 332,332 upper end of rotation seat is connect with 333 left side lower end of rotor plate, 333 right side of rotor plate and 331 right side of movable plate
It is mounted on clamping frame 334, two clamping framves 334 are symmetrical arranged, and 333 right end of rotor plate is symmetrically installed with locking branch 335, tool
When having work, rotor plate 333 is pressed by artificial mode, rotor plate 333 is opened up by rotation seat 332, clamping frame 334
Clamping fixed effectively can be carried out to carton ends, locking branch 335 can prevent carton ends from relative displacement occurs.
The rotation seat 332 includes U-shaped frame 321, fixing axle 322, rotational sleeve 323 and reduction torsion spring 324, described
U-shaped frame 321 is mounted on the outside of 331 upper end of movable plate, is equipped with fixing axle 322 inside U-shaped frame 321, fixing axle 322 passes through sliding
The mode of cooperation is evenly arranged with rotational sleeve 323, and 323 upper end of rotational sleeve is connected with rotor plate 333, adjacent rotated sleeve
Reduction torsion spring 324 is installed in fixing axle 322 between 323.
The clamping frame 334 includes card adapter plate 301, anti-slop serrations 302 and elastic cushion 303,301 section of card adapter plate
For ladder structure of right angle, anti-slop serrations 302 are uniformly installed on the inclined surface of card adapter plate 301, are installed on the inside of card adapter plate 301 flexible
Pad 303 is evenly arranged with friction protrusion on elastic cushion 303, and when having work, anti-slop serrations 302 can block carton ends
Tightly, carton is avoided to fall off phenomenon when carrying out tension test, elastic cushion 303 can guarantee that carton ends stress is consistent, keep away
Exempt from carton ends unbalance stress to rupture.
302 section of anti-slop serrations is triangular structure of right angle, the right-angle side of anti-slop serrations 302 and inclining for card adapter plate 301
Inclined-plane is arranged vertically.
The locking branch 335 includes swivel becket 351, tie down screw 352, threaded block 353 and locking bed 354, described
Rotor plate 333 on be provided with threaded block 353, tie down screw is installed by way of being threadedly engaged inside threaded block 353
352,352 upper end of tie down screw is equipped with swivel becket 351, and the locking bed cooperated with tie down screw 352 is provided on movable plate 331
354, when having work, swivel becket 351 is connected by tie down screw 352 with locking bed 354, guarantees that two clamping framves 334 connect
The compactness connect.
The locking bed 354 is internally provided with the screw thread cooperated with tie down screw 352, and 354 lower end of locking bed passes through hinge
Seat is mounted on movable plate 331.
The buffer gear 34 includes buffer board 341, sliding bar 342 and adjustable spring 343, is provided on the outside of support frame
Sliding bar 342, sliding bar 342 are connect by way of being slidably matched with support plate, are equipped with buffer board on the inside of sliding bar 342
341,341 medial surface of buffer board is provided with rubber pad, is provided on the sliding bar 342 between support plate and buffer board 341
Adjustable spring 343, when having work, buffer board 341 can be collided to avoid clamping tooling 33 and is damaged, and guarantee clamping tooling 33
Service life.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Industrial applicibility
As described above, Packaging Box tensile strength test method provided by the invention, uses the design of biaxial tension to manage
It reads, by becoming the different test methods of pulling force and constant force, can effectively the tensile strength to Packaging Box carry out accurately
Test；Its clamping tooling can accurately grip Packaging Box edge, can drawn to avoid Packaging Box
Relative displacement occurs when stretching test, while it is broken to prevent the clamping part of Packaging Box from occurring, and guarantees the accurate of test experiments
Property.
Claims (9)
1. a kind of Packaging Box tensile strength test method, it is characterised in that: a kind of Packaging Box tensile strength test
Method, the following steps are included:
S1, installation and positioning after the expansion of sample carton are completed on clamping tooling (33)；
S2, starting stretching device (2), to the sample paper in step S1 by the way of the pulling force for uniformly increasing stretching device (2)
Case is stretched；
S3, starting stretching device (2), using stretching device (2) pulling force it is invariable by the way of to the sample in step S1
Carton is stretched；
S4, the situation that breakage and the rupture of carton are tested in step S2 and S3 is observed and recorded by artificial mode；
Flow chart of the above-mentioned Packaging Box tensile strength test method in S1-S4 step need to be by bottom plate (1), stretching device
(2) and corresponding processing operation is completed in clamping device (3) cooperation, in which:
Described bottom plate (1) upper end is provided with stretching device (2), and stretching device (2) is symmetrically mounted on bottom plate (1), stretches dress
It sets (2) upper end and clamping device (3) is installed；
The clamping device (3) includes support frame (31), position-limited rack (32), clamping tooling (33) and buffer gear (34), institute
The support frame (31) stated is rectangle hollow structure, and support frame (31) internal symmetry is equipped with position-limited rack (32), in support frame (31)
Portion is symmetrically arranged with clamping tooling (33), and clamping tooling (33) is connect by way of being slidably matched with position-limited rack (32), support
The internal outer end of frame (31) is symmetrically installed with buffer gear (34)；
The clamping tooling (33) includes movable plate (331), rotation seat (332), rotor plate (333), clamping frame (334) and lock
Tight branch (335), the movable plate (331) outside are connect by way of being slidably matched with position-limited rack (32), movable plate
(331) it is equipped with rotation seat (332) on the left of upper end, rotation seat (332) upper end is connect with lower end on the left of rotor plate (333), is rotated
It is mounted on clamping frame (334) on the right side of plate (333) with movable plate (331) right side, two clamping framves (334) are symmetrical arranged, rotation
Plate (333) right end is symmetrically installed with locking branch (335).
2. a kind of Packaging Box tensile strength test method according to claim 1, it is characterised in that: the stretching dress
Setting (2) includes sliding rack (21), draft cylinder (22), sliding panel (23) and wirerope (24), and the bottom plate (1) upper end is symmetrical
It is equipped with sliding rack (21), sliding rack (21) section is U-shaped structure, is installed by way of being slidably matched inside sliding rack (21)
Have sliding panel (23), be equipped between sliding panel (23) lower end and bottom plate (1) draft cylinder (22), sliding panel (23) upper end is uniform
It is provided with wirerope (24), wirerope (24) one end is connect with sliding panel (23), wirerope (24) other end and clamping device (3)
Connection.
3. a kind of Packaging Box tensile strength test method according to claim 1, it is characterised in that: the buffer
Structure (34) includes buffer board (341), sliding bar (342) and adjustable spring (343), is provided with sliding bar (342) on the outside of support frame,
Sliding bar (342) is connect by way of being slidably matched with support plate, is equipped with buffer board (341) on the inside of sliding bar (342), is delayed
Punching (341) medial surface is provided with rubber pad, is provided on the sliding bar (342) between support plate and buffer board (341)
Adjustable spring (343).
4. a kind of Packaging Box tensile strength test method according to claim 1, it is characterised in that: the locking branch
Chain (335) includes swivel becket (351), tie down screw (352), threaded block (353) and locking bed (354), the rotor plate
(333) it is provided on threaded block (353), tie down screw is installed by way of being threadedly engaged inside threaded block (353)
(352), tie down screw (352) upper end is equipped with swivel becket (351), is provided on movable plate (331) and is matched with tie down screw (352)
The locking bed (354) of conjunction.
5. a kind of Packaging Box tensile strength test method according to claim 1, it is characterised in that: the rotation seat
It (332) include U-shaped frame (321), fixing axle (322), rotational sleeve (323) and reduction torsion spring (324), the U-shaped frame (321)
It is mounted on the outside of movable plate (331) upper end, is equipped with fixing axle (322) inside U-shaped frame (321), fixing axle (322) passes through sliding
The mode of cooperation is evenly arranged with rotational sleeve (323), and rotational sleeve (323) upper end is connected with rotor plate (333), and adjacent turn
Reduction torsion spring (324) are installed in fixing axle (322) between moving sleeve (323).
6. a kind of Packaging Box tensile strength test method according to claim 1, it is characterised in that: the clamping frame
It (334) include card adapter plate (301), anti-slop serrations (302) and elastic cushion (303), the card adapter plate (301) section is right-angled trapezium
Structure is uniformly equipped with anti-slop serrations (302) on the inclined surface of card adapter plate (301), is equipped with elastic cushion on the inside of card adapter plate (301)
(303), friction protrusion is evenly arranged on elastic cushion (303).
7. a kind of Packaging Box tensile strength test method according to claim 1, it is characterised in that: the support frame
(31) internal symmetry is equipped with fixed plate (311), and fixed plate (311) upper end is evenly arranged with concave groove (312), concave groove
(312) internal to be uniformly equipped with ball (313), clamping tooling (33) lower end is located at ball (313) upper end.
8. a kind of Packaging Box tensile strength test method according to claim 4, it is characterised in that: the locking bed
(354) it is internally provided with the screw thread with tie down screw (352) cooperation, locking bed (354) lower end is mounted on movable plate by free bearing
(331) on.
9. a kind of Packaging Box tensile strength test method according to claim 6, it is characterised in that: the anti-slop serrations
(302) section is triangular structure of right angle, and the right-angle side of anti-slop serrations (302) and the inclined surface of card adapter plate (3001) are arranged vertically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910392987.9A CN110044704B (en) | 2019-05-13 | 2019-05-13 | Method for testing tensile strength of packaging carton |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910392987.9A CN110044704B (en) | 2019-05-13 | 2019-05-13 | Method for testing tensile strength of packaging carton |
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| Publication Number | Publication Date |
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| CN110044704A true CN110044704A (en) | 2019-07-23 |
| CN110044704B CN110044704B (en) | 2021-07-23 |
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| CN201910392987.9A Active CN110044704B (en) | 2019-05-13 | 2019-05-13 | Method for testing tensile strength of packaging carton |
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Cited By (5)
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|---|---|---|---|---|
| CN112730041A (en) * | 2021-02-05 | 2021-04-30 | 闵飞 | Silica gel pad coefficient of heat conductivity and tensile strength testing arrangement |
| CN112834343A (en) * | 2021-01-11 | 2021-05-25 | 重庆中烟工业有限责任公司 | Cigarette wrapping paper adhesion strength test device |
| CN112857983A (en) * | 2021-01-06 | 2021-05-28 | 镇江市产品质量监督检验中心 | Clamp for tensile test |
| CN114216602A (en) * | 2021-11-09 | 2022-03-22 | 衡阳同禧透气包装有限公司 | Wrapping paper detects processing apparatus |
| CN116698596A (en) * | 2023-08-07 | 2023-09-05 | 长沙双江包装有限公司 | Intensity testing device after corrugated board production molding |
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