CN116879022B - POF thermal contraction film performance detection device - Google Patents

POF thermal contraction film performance detection device Download PDF

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Publication number
CN116879022B
CN116879022B CN202310875340.8A CN202310875340A CN116879022B CN 116879022 B CN116879022 B CN 116879022B CN 202310875340 A CN202310875340 A CN 202310875340A CN 116879022 B CN116879022 B CN 116879022B
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limiting
grooves
rods
motor
face
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CN116879022A (en
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亓军华
亓新华
曾成玉
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Shandong Shengteng Packaging Technology Co ltd
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Shandong Shengteng Packaging Technology Co ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/08Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/02Details
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/02Details
    • G01N3/04Chucks

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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 POF thermal contraction film performance detection device, which comprises a placement seat, a tension detection mechanism, a limiting lifting mechanism and a compression fixing mechanism, wherein the bottom of the placement seat is placed on the ground, a working through groove is formed in the placement seat, the tension detection mechanism is arranged in the working through groove, the limiting lifting mechanism is further arranged on the placement seat, and the compression fixing mechanism is slidably arranged in the limiting lifting mechanism.

Description

POF thermal contraction film performance detection device
Technical Field
The invention relates to the technical field of POF (polyethylene terephthalate) heat-shrinkable films, in particular to a POF heat-shrinkable film performance detection device.
Background
The POF shrink film is short for biaxially oriented polyolefin shrink film, is a novel environment-friendly shrink film which is most widely used in the world at present and rapidly developed, and adopts an advanced special process of biaxially oriented three-layer and five-layer melt coextrusion. The POF shrink film has the advantages of high transparency, high shrinkage, high toughness, high heat sealing performance, excellent antistatic performance and cold resistance, safety and reliability; the packaging material is widely applied to the external packaging and integrated packaging of products in various industries such as foods, cosmetics, gifts, medicines, stationery, toys, audio-visual products, electronics, wood products, plastic hardware, daily necessities and the like.
After the production of the POF shrink film is finished, performance detection is required to be performed on the POF shrink film to ensure the quality of the POF shrink film, wherein when a tensile test is performed, the POF shrink film is usually stretched after being fixed through a clamping surface with the same size, and the accuracy of a tensile detection result cannot be ensured through a single-range tensile test.
The POF shrink film is clamped and fixed through the planar structure, and in the stretching process, the tensile force of the POF shrink film is easy to slide in the clamping structure, so that the unstable condition occurs, and the detection result is inaccurate.
Disclosure of Invention
The technical problems to be solved are as follows: the POF thermal shrinkage film performance detection device provided by the invention can solve the problems pointed out in the background technology.
The technical scheme is as follows: in order to achieve the above purpose, the invention adopts the following technical scheme that the POF thermal contraction film performance detection device comprises a placement seat, a tension detection mechanism, a limiting lifting mechanism and a compression fixing mechanism, wherein the bottom of the placement seat is placed on the ground, a working through groove is formed in the placement seat, the tension detection mechanism is arranged in the working through groove, the limiting lifting mechanism is further arranged on the placement seat, and the compression fixing mechanism is slidably arranged in the limiting lifting mechanism.
The tension detection mechanism comprises a reciprocating motor, the reciprocating motor is installed in a bottom groove of the placement seat, an output shaft of the reciprocating motor extends into a working channel, a gear is fixedly sleeved on the outer wall of the output shaft of the reciprocating motor, the gear is meshed with racks on the front side and the rear side, the racks are slidably arranged in the working channel, limit bending rods are slidably installed on the left side and the right side of the working channel and are connected with corresponding racks, the limit bending rods are of an upper opening structure, connecting pulling plates are installed at opening positions, and a plurality of electronic tension meters are uniformly arranged on one end face, close to the limit lifting mechanism, of each connecting pulling plate from front to back.
Spacing elevating system includes spacing post, place the seat up end left and right sides and all offered spacing spout, equal slidable mounting has spacing post in the spacing spout, spacing post is L shape structure, spacing post bottom position is provided with the locating part that is used for preventing the thermal contraction membrane from producing the displacement, spacing post is close to the one end face of connecting the arm-tie and all is connected with a plurality of electron tensiometer, perpendicular groove has all been offered to spacing post another terminal surface, equal slidable mounting has the slider in perpendicular groove, be provided with the compression fixed establishment who is used for converting different compression areas between two sliders, compression fixed establishment both ends all with corresponding slider fixed connection.
Further, spacing elevating system still includes shape post, shape post fixed mounting is in the terminal surface middle part behind the seat of placing, and the mounting hole has been seted up to shape post top, and the motor that rotates installs on shape post top through the motor cabinet, and the output shaft of motor that rotates passes the mounting hole and is connected with the threaded rod, and the threaded rod lower extreme is connected with shape post bottom inner wall rotation, installs the interlock piece through screw-thread fit on the threaded rod.
Further, the locating part includes the wave concave block, rectangular groove has been seted up on the up end of spacing post bottom, wave concave block installs in rectangular inslot, a plurality of L-shaped grooves have evenly been seted up to rectangular groove side position from the past backward, the round hole has all been seted up with rectangular groove and wave concave block and intercommunication position correspondence to the wave concave block, slidable mounting has to support the depression bar in the round hole, be provided with the gag lever post in the L-shaped groove, the gag lever post has all been seted up logical groove with support the depression bar lower extreme, all install the round pin axle in the logical inslot, be connected through the perk pole between two round pins, perk pole middle part position is installed in L-shaped inslot through the round pin axle, the gag lever post is close to perk pole position with support the depression bar and all overlaps to establish and install recovery spring.
Further, compress tightly fixed establishment and include two-way telescopic link, and the threaded rod position has all been seted up to interlock piece left end face, and the fixed axle of two-way telescopic link rotates and installs in linking downthehole, and the left side flexible end of two-way telescopic link is connected with the pivot, and the right side flexible end of two-way telescopic link is connected with converting motor's output, and square casting die is all installed to pivot and converting motor's output outer wall, and converting motor passes through the motor cabinet and installs in square casting die, and the pivot left end all is connected with the slider with converting motor stiff end.
Further, the upper end face and the lower end face of the square pressing piece are fixedly provided with pressing plates, the size of the pressing plates on the upper side is larger than that of the lower pressing plate, wavy convex blocks with corresponding sizes are arranged on the pressing plates, the wavy concave blocks and the wavy convex blocks are matched with each other, the contact surfaces of the wavy concave blocks and the wavy convex blocks are made of rubber, and limiting holes are formed in the positions, corresponding to the limiting rods, of the upper end face and the lower end face of the square pressing piece.
Further, the outer wall of the telescopic shaft of the bidirectional telescopic rod is provided with symmetrical protrusions, and the inner wall of the fixed shaft of the bidirectional telescopic rod is provided with grooves matched with the protrusions.
The beneficial effects are that:
1. the tensile test that can convert the compression surface size of POF thermal contraction membrane through compressing tightly fixed establishment, take its average value, improved the accuracy of test, compress tightly through wave rubber and insert the limit cooperation voluntarily, improved the stability to the clamping of POF thermal contraction membrane greatly, prevent when tensile test, because the pulling force leads to POF thermal contraction membrane position to slide and influences the precision that detects.
2. The square casting die is driven to rotate by 90 degrees through the conversion motor, so that the maximum area compression tension and the minimum area tension can be detected, the POF thermal shrinkage film tensile strength under the condition of knowing different compression surfaces is obtained, and the detection accuracy is improved.
3. Through wave lug, spacing hole and locating part cooperation, compress tightly the fixed establishment and remove down and compress tightly the POF heat shrinkage film and lock its position, prevent that the compression position tension of POF heat shrinkage film from appearing sliding displacement when the pulling, improved the stability that detects greatly.
Drawings
Fig. 1 is a front cross-sectional view of the present invention.
Fig. 2 is a cross-sectional view taken along line A-A of fig. 1 in accordance with the present invention.
Fig. 3 is a cross-sectional view taken along line B-B of fig. 1 in accordance with the present invention.
Fig. 4 is a cross-sectional view taken along line C-C of fig. 1 in accordance with the present invention.
Fig. 5 is a D-D cross-sectional view of fig. 1 according to the present invention.
Fig. 6 is an enlarged cross-sectional view of fig. 1 according to the present invention.
Fig. 7 is a cross-sectional view taken along the direction F-F of fig. 6 in accordance with the present invention.
In the figure: 1. a placement seat; 2. a tension detecting mechanism; 21. a reciprocating motor; 22. a gear; 23. a rack; 24. a limit bending rod; 25. connecting a pulling plate; 26. an electronic tension meter; 3. a limit lifting mechanism; 31. a limit column; 32. a limiting piece; 321. wave concave blocks; 322. a pressing rod; 323. a limit rod; 324. a tilting rod; 325. a restoring spring; 33. a slide block; 34. shaped column; 35. a rotating motor; 36. a threaded rod; 37. a linkage block; 4. a compression fixing mechanism; 41. a bidirectional telescopic rod; 42. converting a motor; 43. a rotating shaft; 44. square press piece; 45. a pressing plate; 46. wave convex blocks; 47. and a limiting hole.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, the present invention provides a technical solution: the POF heat shrinkage film performance detection device comprises a placement seat 1, a tension detection mechanism 2, a limit lifting mechanism 3 and a compression fixing mechanism 4, wherein the bottom of the placement seat 1 is placed on the ground, a work through groove is formed in the placement seat 1, the tension detection mechanism 2 is arranged in the work through groove, the limit lifting mechanism 3 is further arranged on the placement seat 1, and the compression fixing mechanism 4 is slidably arranged in the limit lifting mechanism 3; firstly, the POF heat-shrinkable film is flatly laid on the placing seat 1, the limiting lifting mechanism 3 drives the compressing and fixing mechanism 4 to stably move downwards to compress and fix the two sides of the POF heat-shrinkable film, and then the tension detecting mechanism drives the compressing and fixing mechanism 4 to extend to the two sides to pull the POF heat-shrinkable film, so that the tensile strength of the POF heat-shrinkable film is detected.
Referring to fig. 4 and 5, in this embodiment, the tension detecting mechanism 2 includes a reciprocating motor 21, the reciprocating motor 21 is mounted in a bottom groove of the placement seat 1, an output shaft of the reciprocating motor 21 extends into a through groove, a gear 22 is fixedly sleeved on an outer wall of the output shaft of the reciprocating motor 21, the gear 22 is located in a through groove of a transverse section of the through groove, the gear 22 is meshed with racks 23 on front and rear sides, the racks 23 are slidably disposed in the through groove, limit bending rods 24 are slidably mounted on left and right sides of the inside of the through groove, the limit bending rods 24 are connected with corresponding racks 23, the limit bending rods 24 are of an upper opening structure, connecting pull plates 25 are mounted at opening positions, and a plurality of electronic tension meters 26 are uniformly disposed on one end face of the connecting pull plates 25, which is close to the limit lifting mechanism 3, from front to rear; the reciprocating motor 21 rotates to drive the gear 22 to rotate, the gear 22 rotates to drive racks 23 on two sides to synchronously move in opposite directions, the connecting pull plate 25 moves outwards with the plurality of electronic tension meters 26, tension is synchronously tested through the plurality of electronic tension meters 26, and finally, the average value of data is obtained, so that the accuracy of data detection can be improved compared with single-point tension detection.
Through spacing tortuous pole 24 at the spacing slip of industry through groove, the unstable condition such as skew appears when having reduced to slide has influenced the accuracy of detection.
Referring to fig. 2, in the embodiment, the limiting lifting mechanism 3 includes a limiting column 31, both sides of the upper end surface of the placement seat 1 are provided with limiting sliding grooves, the limiting column 31 is slidably mounted in the limiting sliding grooves, the limiting column 31 is in an L-shaped structure, a limiting member 32 for preventing the thermal contraction film from displacing is disposed at the bottom of the limiting column 31, one end surface of the limiting column 31, which is close to the connecting pull plate 25, is connected with the plurality of electronic tension meters 26, the other end surface of the limiting column 31 is provided with vertical grooves, sliding blocks 33 are slidably mounted in the vertical grooves, a compression fixing mechanism 4 for converting different compression areas is disposed between the two sliding blocks 33, and both ends of the compression fixing mechanism 4 are fixedly connected with the corresponding sliding blocks 33; the limiting lifting mechanism 3 further comprises a -shaped column 34, the -shaped column 34 is fixedly arranged in the middle of the rear end face of the placement seat 1, a mounting hole is formed in the top end of the -shaped column 34, a rotating motor 35 is arranged at the top end of the -shaped column 34 through a motor seat, an output shaft of the rotating motor 35 penetrates through the mounting hole to be connected with a threaded rod 36, the lower end of the threaded rod 36 is rotatably connected with the inner wall of the bottom of the -shaped column 34, and a linkage block 37 is arranged on the threaded rod 36 through threaded fit; the outer wall of the telescopic shaft of the bidirectional telescopic rod 41 is provided with symmetrical protrusions, and the inner wall of the fixed shaft of the bidirectional telescopic rod 41 is provided with grooves matched with the protrusions, so that the bidirectional telescopic rod 41 can be telescopic and can also perform stable transmission.
The threaded rod 36 is driven to rotate by the rotating motor 35, the threaded rod 36 drives the pressing fixing mechanism 4 on the linkage block 37 to move downwards through threaded fit, meanwhile, two ends of the pressing fixing mechanism 4 slide in the vertical groove through the sliding block 33, and the stability of downward movement is greatly improved through synchronous limiting sliding of three points.
Referring to fig. 6, in this embodiment, the limiting member 32 includes a wave concave block 321, an oblong slot is formed on an upper end surface of a bottom portion of the limiting post 31, the wave concave block 321 is installed in the oblong slot, a plurality of L-shaped slots are uniformly formed on side edges of the oblong slot from front to back, the L-shaped slots are all communicated with the oblong slot, a circular hole is formed in the position, corresponding to the communicated position, of the wave concave block 321, of the wave concave block 32, a pressing rod 322 is slidably installed in the circular hole, a limiting rod 323 is disposed in the L-shaped slot, through slots are formed in the lower ends of the limiting rod 323 and the pressing rod 322, pin shafts are all installed in the through slots, the two pin shafts are connected through a tilting rod 324, a middle position of the tilting rod 324 is installed in the L-shaped slot through a pin shaft, and a restoring spring 325 is sleeved on the position, close to the tilting rod 324, of the limiting rod 323.
Referring to fig. 1 and 4, in this embodiment, the pressing fixing mechanism 4 includes a bidirectional telescopic rod 41, a connecting hole is formed on a left end surface of the linkage block 37 away from the threaded rod 36, a fixing shaft of the bidirectional telescopic rod 41 is rotatably mounted in the connecting hole, a left telescopic end of the bidirectional telescopic rod 41 is connected with a rotating shaft 43, a right telescopic end of the bidirectional telescopic rod 41 is connected with an output end of a converting motor 42, square pressing pieces 44 are mounted on outer walls of the output ends of the rotating shaft 43 and the converting motor 42, the converting motor 42 is mounted in the square pressing pieces 44 through a motor base, and a left end of the rotating shaft 43 is connected with a fixed end of the converting motor 42 and the sliding block 33. When the compression area needs to be replaced, the square pressing piece 44 is driven by the conversion motor 42 to rotate by 90 degrees, so that the tensile strength of the POF heat-shrinkable film under the condition of different compression areas is improved, and the detection accuracy is also improved.
The upper end face and the lower end face of the square pressing piece 44 are fixedly provided with pressing plates 45, the size of the pressing plates 45 on the upper side is larger than that of the pressing plates 45 on the lower side, wavy convex blocks 46 with corresponding sizes are arranged on the pressing plates 45, compression test tensile force is carried out on the middle positions of the two sides of the POF heat-shrinkable film through the small-size pressing plates 45, compression test is carried out on the whole positions of the two sides of the POF heat-shrinkable film through the large-size pressing plates, the wavy concave blocks 321 and the wavy convex blocks 46 are matched with each other, the contact surfaces of the wavy concave blocks and the wavy convex blocks 46 are made of rubber materials, and limiting holes 47 are formed in the positions, corresponding to the limiting rods 323, of the upper end face and the lower end face of the square pressing piece 44.
After the limiting lifting mechanism 3 drives the compressing and fixing mechanism 4 to move downwards to the compressing position of the POF heat-shrinkable film, the wavy convex blocks 46 are matched with the wavy concave blocks 321, the POF heat-shrinkable film is fully compressed through the wavy structure and the rubber material, the POF heat-shrinkable film is not driven to slide by pulling force in the pulling process, meanwhile, the wavy convex blocks 46 are in compressing fit with the wavy concave blocks 321, the wavy convex blocks 46 press the pressing rods 322 downwards, the pressing rods 322 drive one ends of the warping rods 324 connected with the pressing rods 322 to synchronously move downwards, and as the pin shafts are fixed in the warping rods 324, the other ends of the warping rods 324 drive the limiting rods 323 to move upwards into the limiting holes 47, so that the square pressing pieces 44 and the limiting columns 31 are limited and fixed, and the stability of compressing and pulling outwards is improved.
In specific work, the POF heat-shrinkable film is flatly laid on the placement seat 1, the threaded rod 36 is driven to rotate by the rotating motor 35, the threaded rod 36 drives the pressing fixing mechanism 4 on the linkage block 37 to move downwards through threaded fit, meanwhile, two ends of the pressing fixing mechanism 4 slide in the vertical groove through the sliding block 33 to move downwards stably, at this time, the small-size pressing plate 45 is positioned below, after moving downwards to the pressing position of the POF heat-shrinkable film, the wave convex block 46 is matched with the wave concave block 321, the POF heat-shrinkable film is fully pressed through the wave structure and the rubber material, the condition that the POF heat-shrinkable film slides due to pulling force in the pulling process is avoided, meanwhile, the wave convex block 46 is in pressing fit with the wave concave block 321, the wave convex block 46 presses the pressing rod 322 downwards, one end of the tilting rod 324 connected with the pressing rod 322 is synchronously moved downwards, and the other end of the tilting rod 324 drives the limiting rod 323 to move upwards into the limiting hole 47 due to the pin shaft fixing in the tilting rod 324, so that the pressing part 44 and the limiting column 31 are limited and fixed, and the pressing stability is improved; the reciprocating motor 21 rotates to drive the gear 22 to rotate, the gear 22 rotates to drive racks 23 on two sides to synchronously move in opposite directions, the connecting pull plate 25 moves outwards with the plurality of electronic tension meters 26, tension is synchronously tested through the plurality of electronic tension meters 26, and finally, the average value of data is taken, so that the accuracy of data detection can be improved compared with single-point tension detection; and then the square pressing piece 44 is driven to rotate by 90 degrees through the conversion motor 42, and the large-size pressing plate 45 is moved to the lower part and detected as above, so that the pressing tension detection of the maximum area and the tension detection of the minimum area can be performed, the tensile strength of the POF heat-shrinkable film under the condition of different clamping areas can be obtained, and the detection accuracy is improved.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The term "comprising" an element defined by the term "comprising" does not exclude the presence of other identical elements in a process, method, article or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a POF thermal contraction membrane performance detection device, includes and places seat (1), pulling force detection mechanism (2), spacing elevating system (3) and compresses tightly fixed establishment (4), its characterized in that: the bottom of the placing seat (1) is placed on the ground, a working through groove is formed in the placing seat (1), a tension detection mechanism (2) is arranged in the working through groove, a limit lifting mechanism (3) is further arranged on the placing seat (1), and a compression fixing mechanism (4) is slidably arranged in the limit lifting mechanism (3);
the tension detection mechanism (2) comprises a reciprocating motor (21), the reciprocating motor (21) is arranged in a groove at the bottom of the placement seat (1), an output shaft of the reciprocating motor (21) extends into a working channel, a gear (22) is fixedly sleeved on the outer wall of the output shaft of the reciprocating motor (21), the gear (22) is meshed with racks (23) at the front side and the rear side, the racks (23) are slidably arranged in the working channel, limit bending rods (24) are slidably arranged at the left side and the right side in the working channel, the limit bending rods (24) are connected with the corresponding racks (23), the limit bending rods (24) are of an upper opening structure, connecting pull plates (25) are arranged at the opening positions, and a plurality of electronic tension meters (26) are uniformly arranged at one end faces, close to the limit lifting mechanism (3), of the connecting pull plates (25) from front side to back side;
the limiting lifting mechanism (3) comprises limiting columns (31), limiting sliding grooves are formed in the left side and the right side of the upper end face of the placing seat (1), the limiting columns (31) are slidably mounted in the limiting sliding grooves, the limiting columns (31) are of L-shaped structures, limiting pieces (32) for preventing displacement of the heat shrinkage film are arranged at the bottom positions of the limiting columns (31), one end faces, close to the connecting pull plates (25), of the limiting columns (31) are connected with a plurality of electronic tension meters (26), vertical grooves are formed in the other end faces of the limiting columns (31), sliding blocks (33) are slidably mounted in the vertical grooves, compression fixing mechanisms (4) for converting different compression areas are arranged between the two sliding blocks (33), and two ends of each compression fixing mechanism (4) are fixedly connected with the corresponding sliding blocks (33);
the limiting piece (32) comprises a wave concave block (321), rectangular grooves are formed in the upper end face of the bottom of the limiting post (31), the wave concave block (321) is installed in the rectangular grooves, a plurality of L-shaped grooves are uniformly formed in the side edge positions of the rectangular grooves from front to back, the L-shaped grooves are communicated with the rectangular grooves, round holes are formed in the wave concave block (321) corresponding to the communicated positions, the supporting rods (322) are slidably installed in the round holes, limiting rods (323) are arranged in the L-shaped grooves, through grooves are formed in the lower ends of the limiting rods (323) and the supporting rods (322), pin shafts are installed in the through grooves, the two pin shafts are connected through the warping rods (324), the middle positions of the warping rods (324) are installed in the L-shaped grooves through the pin shafts, and the positions, close to the warping rods (324), of the limiting rods (323) and the supporting rods (322) are sleeved with restoring springs (325).
2. The POF heat-shrinkable film performance test apparatus according to claim 1, wherein: the limiting lifting mechanism (3) further comprises a -shaped column (34), the -shaped column (34) is fixedly mounted in the middle of the rear end face of the placement seat (1), a mounting hole is formed in the top end of the -shaped column (34), a rotating motor (35) is mounted on the top end of the -shaped column (34) through a motor seat, an output shaft of the rotating motor (35) penetrates through the mounting hole to be connected with a threaded rod (36), the lower end of the threaded rod (36) is rotatably connected with the inner wall of the bottom of the -shaped column (34), and a linkage block (37) is mounted on the threaded rod (36) through threaded fit.
3. The POF heat-shrinkable film performance test apparatus according to claim 1, wherein: compressing tightly fixed establishment (4) including two-way telescopic link (41), link hole has all been seted up to threaded rod (36) position is kept away from to interlock piece (37) left end face, the fixed axle rotation of two-way telescopic link (41) is installed in linking the hole, the left side flexible end of two-way telescopic link (41) is connected with pivot (43), the right side flexible end of two-way telescopic link (41) is connected with the output of converting motor (42), square casting die (44) are all installed with the output outer wall of converting motor (42) in pivot (43), converting motor (42) are installed in square casting die (44) through the motor cabinet, pivot (43) left end all is connected with converting motor (42) stiff end and slider (33).
4. A POF heat-shrinkable film performance test apparatus according to claim 3, wherein: the upper end face and the lower end face of the square pressing piece (44) are fixedly provided with pressing plates (45), the size of the pressing plates (45) on the upper side is larger than that of the pressing plates (45) on the lower side, wavy convex blocks (46) with corresponding sizes are arranged on the pressing plates (45), the wavy concave blocks (321) and the wavy convex blocks (46) are matched with each other, the contact surfaces of the wavy concave blocks and the wavy convex blocks are made of rubber, and limiting holes (47) are formed in the positions, corresponding to the limiting rods (323), of the upper end face and the lower end face of the square pressing piece (44).
5. A POF heat-shrinkable film performance test apparatus according to claim 3, wherein: the telescopic shaft outer wall of the bidirectional telescopic rod (41) is provided with symmetrical bulges, and the inner wall of the fixed shaft of the bidirectional telescopic rod (41) is provided with grooves matched with the bulges.
CN202310875340.8A 2023-07-17 2023-07-17 POF thermal contraction film performance detection device Active CN116879022B (en)

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1014631A (en) * 1961-07-22 1965-12-31 Waterside Mill Company Bury Lt A tensile strength and elongation testing device
CN211784894U (en) * 2019-12-30 2020-10-27 内蒙古多力邦钢结构有限责任公司 Structural steel strength detection device
CN111965041A (en) * 2020-08-25 2020-11-20 杭州鼎樊科技有限公司 Tension testing device for processing rubber parts of rail transit
CN214703061U (en) * 2021-05-13 2021-11-12 安徽天念材料科技有限公司 Detection apparatus for hot melt adhesive membrane production usefulness
CN214794161U (en) * 2021-04-25 2021-11-19 济宁东昌包装科技有限公司 POF shrink film tensile strength detector
CN216791919U (en) * 2022-01-20 2022-06-21 浙江瑞禾新材料有限公司 PVC shrink film strength detection equipment
CN217277414U (en) * 2022-01-11 2022-08-23 中科齐宏科技(山东)有限公司 Polymer foam material viscosity tester
CN218584524U (en) * 2022-09-19 2023-03-07 江苏博越化纤有限公司 Tension detection device
CN219015901U (en) * 2022-12-30 2023-05-12 河南中通电线电缆有限公司 Tensile strength detection device for cable production
CN219121881U (en) * 2023-01-04 2023-06-02 青岛创铭包装有限公司 Anti-drop tensile strength detector for stretch film

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1014631A (en) * 1961-07-22 1965-12-31 Waterside Mill Company Bury Lt A tensile strength and elongation testing device
CN211784894U (en) * 2019-12-30 2020-10-27 内蒙古多力邦钢结构有限责任公司 Structural steel strength detection device
CN111965041A (en) * 2020-08-25 2020-11-20 杭州鼎樊科技有限公司 Tension testing device for processing rubber parts of rail transit
CN214794161U (en) * 2021-04-25 2021-11-19 济宁东昌包装科技有限公司 POF shrink film tensile strength detector
CN214703061U (en) * 2021-05-13 2021-11-12 安徽天念材料科技有限公司 Detection apparatus for hot melt adhesive membrane production usefulness
CN217277414U (en) * 2022-01-11 2022-08-23 中科齐宏科技(山东)有限公司 Polymer foam material viscosity tester
CN216791919U (en) * 2022-01-20 2022-06-21 浙江瑞禾新材料有限公司 PVC shrink film strength detection equipment
CN218584524U (en) * 2022-09-19 2023-03-07 江苏博越化纤有限公司 Tension detection device
CN219015901U (en) * 2022-12-30 2023-05-12 河南中通电线电缆有限公司 Tensile strength detection device for cable production
CN219121881U (en) * 2023-01-04 2023-06-02 青岛创铭包装有限公司 Anti-drop tensile strength detector for stretch film

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