CN220063689U - Paper core strength tester - Google Patents
Paper core strength tester Download PDFInfo
- Publication number
- CN220063689U CN220063689U CN202321620497.8U CN202321620497U CN220063689U CN 220063689 U CN220063689 U CN 220063689U CN 202321620497 U CN202321620497 U CN 202321620497U CN 220063689 U CN220063689 U CN 220063689U
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- paper
- paper core
- centering
- feeding roller
- roller way
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- 238000001514 detection method Methods 0.000 claims abstract description 43
- 238000006073 displacement reaction Methods 0.000 claims abstract description 32
- 238000012360 testing method Methods 0.000 claims abstract description 23
- 238000005096 rolling process Methods 0.000 claims abstract description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 2
- 235000017491 Bambusa tulda Nutrition 0.000 claims 2
- 241001330002 Bambuseae Species 0.000 claims 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 2
- 239000011425 bamboo Substances 0.000 claims 2
- 238000004804 winding Methods 0.000 abstract description 15
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a paper core strength testing machine, which is characterized in that a paper core is provided with a paper cylinder, and an external winding paper tape of the paper cylinder comprises a feeding roller way for horizontally conveying the paper core, a plurality of rolling disks arranged above the feeding roller way and driven to press a radial surface of the paper core, a centering device vertically penetrating through the feeding roller way for limiting an outer ring of the paper core, and a displacement detection device arranged below the feeding roller way and driven to lift and contact the paper cylinder; the centering device comprises at least two centering rollers which are arranged oppositely or in a deviating way, and the positioning center of each centering roller is consistent with the center of the displacement detection device. The utility model realizes the stable positioning of the radial surface of the paper core, applies multi-position pressure to the radial surface of the paper core, judges the winding strength of the paper core by detecting the position deformation of the core cylinder of the paper core, is suitable for strength test of large-scale paper cores, and improves the accuracy of automatic test.
Description
Technical Field
The utility model belongs to the technical field of paper core testing, and particularly relates to a paper core strength testing machine.
Background
The paper core is transported and packaged in a whole roll after being manufactured and molded, the winding size of the paper core is large, the paper core needs to be tested for winding strength or tensile strength before packaging, if the winding tension of the paper core reaches a set standard, the paper core is high in winding strength, the paper core is compact in winding and difficult to deform, the winding molding effect of the paper core is good, and the packaging requirement of the paper core is met. The conventional winding strength test of the small roll paper core is carried out by using a simple press-fitting tool to act on the radial surface of the paper core and judging by reading data on a pressure sensing device. Similar to the patent document number is CN2015170795. X honeycomb paper core flatness intensity test fixture, it is disclosed that the flatness intensity of the honeycomb paper core can be tested through the paper core fixing seat and the pressing piece and matching with corresponding pressure sensing devices. The existing test fixture is suitable for manual operation, and when the paper core is of a large structure, the common test fixture cannot meet test requirements.
Disclosure of Invention
The utility model aims to solve the technical problems and provide the paper core strength testing machine, so that the radial surface of the paper core is stably positioned, the radial surface of the paper core is pressed in multiple positions, the winding strength of the paper core is judged by detecting the position deformation of the core cylinder of the paper core, the machine is suitable for strength testing of large-scale paper cores, and the accuracy of automatic testing is improved. In order to achieve the above purpose, the technical scheme of the utility model is as follows:
the paper core strength testing machine is characterized in that the paper core is provided with a paper cylinder, and the paper cylinder is externally wound with a paper tape, and comprises a feeding roller way for horizontally conveying the paper core, a plurality of pressing reels which are arranged above the feeding roller way and are in driving press connection with the radial surface of the paper core, a centering device which vertically penetrates through the feeding roller way and is used for limiting the outer ring of the paper core, and a displacement detection device which is arranged below the feeding roller way and is in driving jacking contact with the paper cylinder; the centering device comprises at least two centering rollers which are arranged oppositely or in a deviating way, and the positioning center of each centering roller is consistent with the center of the displacement detection device.
Specifically, the feeding roller way is arranged on the frame.
Specifically, a plurality of pressing reels are installed at the top of the frame, and the pressing reels are driven to lift by the air cylinder.
Specifically, the two groups of pressing reels are symmetrically arranged on two sides of the center vertical line of the displacement detection device.
Specifically, the centering device comprises a plurality of sliding rails which are arranged at intervals, a plurality of moving plates which are transversely arranged on the sliding rails, and a driving circulation line which drives the moving plates to synchronously move.
Specifically, the centering roller is arranged on the movable plate, and the top end of the centering roller extends out of the upper part of the feeding roller way.
Specifically, the two moving plates are arranged at two opposite ends of the two sliding rails.
Specifically, two opposite centering rollers on a group of the moving plates are synchronously driven to approach or separate.
Specifically, the displacement detection device comprises a detection head and a sensor arranged in the detection head; the detection head is driven by the air cylinder to lift and move.
Compared with the prior art, the paper core strength tester has the beneficial effects that:
the feeding roller way for horizontally conveying the paper cores is arranged, so that the radial surfaces of the paper cores are arranged upwards, the driving and positioning of the pressing reel are facilitated, and meanwhile, the centering device and the displacement detection device can be avoided, and convenience is brought to the conveying and positioning of the paper cores; the centering device can align the center of the paper core with the center of the displacement detection device, so that the displacement detection device can accurately lift the position of the paper cylinder, the external damage of the paper core is avoided, and the positioning is accurate; the displacement detection device can effectively detect the axial displacement of the paper tube, further judge the winding strength of the paper tape wound outside the paper tube, judge the winding compaction of the paper core when the paper tape meets a certain set value, and meet the requirements of production and transportation; the integral testing machine is suitable for paper cores with various specifications and sizes, particularly large-sized paper cores, and has the advantages of stable paper core conveying, accurate positioning, accurate strength test detection result and higher automatic test efficiency.
Drawings
FIG. 1 is a schematic diagram of a structure of a paper core transported by a tester according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of the structure of the tester according to the present embodiment;
FIG. 3 is a schematic enlarged view of a part of the tester according to the present embodiment;
the figures represent the numbers:
1 paper core, 11 paper tube, 2 feeding roller way, 3 press coil, 4 centering device, 41 centering roller, 42 sliding track, 43 moving plate, 44 driving circulation line, 5 displacement detection device, 51 detection head, 6 frame.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely, but is apparent to those skilled in the art in view of the present utility model.
Examples:
referring to FIGS. 1-3, the embodiment is a paper core strength tester, which is suitable for testing the diameter range of a paper core from 600mm to 1150mm; the paper core 1 has a paper tube 11, and an externally wound paper tape of the paper tube 11 forms the paper core 1.
The testing machine comprises a feeding roller way 2 for horizontally conveying paper cores, a plurality of rolling discs 3 which are arranged above the feeding roller way 2 and are in driving press connection with the radial surface of the paper cores 1, a centering device 4 which vertically penetrates through the feeding roller way 2 and is used for limiting the outer ring of the paper cores 1, and a displacement detection device 5 which is arranged below the feeding roller way 2 and is in driving jacking contact with the paper cylinders 11; the centering device 4 comprises at least two sets of centering rollers 41 arranged opposite or apart from each other, the positioning center of each set of centering rollers 41 coinciding with the center of the displacement detection device 5.
The feeding roller way 2 is arranged on the frame 6, the feeding roller way 2 is of a synchronous driving structure of a conventional motor and a plurality of driving rollers, the feeding roller way 2 keeps the paper core 1 horizontally conveyed and transferred, and the surface of the feeding roller way 2 positions the radial surface of the paper core 1. The positions of the avoidance centering device 4 and the displacement detection device 5 are arranged in the feeding roller way 2, so that the centering device 4 and the displacement detection device 5 can drive the surface of the exposed feeding roller way 2.
A plurality of pressing reels 3 are arranged on the top of the frame 6, and the pressing reels 3 are driven to lift by a cylinder. In this embodiment, the number of the pressing reels 3 is two, and the pressing reels 3 are symmetrically arranged at two sides of the center vertical line of the displacement detecting device 5. Correspondingly, when the center of the paper core 1 and the center of the displacement detecting device 5 are coaxially arranged, the two sets of pressing reels 3 can symmetrically press the radial surface of the paper core 1.
The centering device 4 includes a plurality of slide rails 42 arranged at intervals, a plurality of moving plates 43 mounted across the plurality of slide rails 42, and a driving circulation line 44 driving the plurality of moving plates 43 to move synchronously; the centering roller 41 is mounted on the moving plate 43, and the tip of the centering roller 41 extends above the feed roller table 2. In this embodiment, the two sliding rails 42 are arranged at intervals, and the arrangement direction is consistent with the roller axis direction of the feeding roller table 2, and the two moving plates 43 are disposed at opposite ends of the two sliding rails 42. The driving circulation line 44 is a conventional motor and chain driving structure, the centering rollers 41 on the moving plate 43 at one end are installed at the upper position of the chain and driven by the chain, the centering rollers 41 on the moving plate 43 at the other end are installed at the lower position of the chain and driven by the chain, and when the driving circulation line 44 starts to circulate, the two centering rollers 41 opposite to each other on the group of moving plates 43 are synchronously driven to approach or separate from each other, so that the effect of clamping the paper core 1 by relative movement is realized. The two sets of centering rollers 41 respectively clamp and position the outer ring of the paper core 1, and keep the center of the paper core 1 and the center of the displacement detection device 5 coaxially arranged.
The displacement detection device 5 includes a detection head 51, and a sensor mounted inside the detection head 51; the detection head 51 is driven by a cylinder to move up and down; when detection is needed, the detection head 51 ascends to contact the bottom end of the paper tube 11, meanwhile, the pressing disc 3 applies certain pressure to position the paper core 1, the detection head 51 applies certain thrust to push the paper tube 11, and whether the winding strength of the paper core 1 meets the requirement is judged by detecting the displacement of the paper tube 11 in the axial direction; the sensor can accurately detect the displacement of the detection head 51 in the axial direction of the paper tube 11. Wherein the cylinder pressure connected with the press coil 3 is controlled to 3-5bar. The cylinder pressure connected with the detection head 51 is controlled to be 2-4bar; when the displacement detection value of the paper tube 11 is not less than 2mm, it is judged as failed, and reworking is required.
When the embodiment is applied, the feeding roller way 2 for horizontally conveying the paper cores 1 is arranged, so that the radial surface of the paper cores 1 is ensured to be upwards arranged, the driving and positioning of the pressing disc 3 are facilitated, and meanwhile, the centering device 4 and the displacement detection device 5 can be avoided, and convenience is provided for conveying and positioning the paper cores 1; the centering device 4 can align the center of the paper core 1 with the center of the displacement detection device 5, so that the displacement detection device 5 can accurately lift the position of the paper cylinder 11, the external damage of the paper core 1 is avoided, and the positioning is accurate; the displacement detection device 5 can effectively detect the axial displacement of the paper tube 11, further judge the winding strength of the paper tape wound outside the paper tube 11, judge that the paper core 1 is tightly wound when the winding strength meets a certain set value, and meet the requirements of production and transportation; the integral testing machine is suitable for paper cores 1 with various specifications and sizes, particularly large-sized paper cores 1, the paper cores 1 are stable in conveying, accurate in positioning, accurate in strength test detection result and high in automatic test efficiency.
In the description of the present specification, the term "particular embodiment" or "a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although the embodiments of the present utility model are described above, the embodiments are only used for facilitating understanding of the present utility model, and are not intended to limit the present utility model. Any person skilled in the art can make any modification and variation in form and detail without departing from the spirit and scope of the present disclosure, but the scope of the present disclosure is to be determined by the appended claims.
Claims (9)
1. The paper core strength testing machine, the paper core has a paper section of thick bamboo, the outside of paper section of thick bamboo winds paper tape, its characterized in that: the device comprises a feeding roller way for horizontally conveying paper cores, a plurality of rolling discs which are arranged above the feeding roller way and are in driving press connection with the radial surface of the paper cores, a centering device which vertically penetrates through the feeding roller way and is used for limiting the outer rings of the paper cores, and a displacement detection device which is arranged below the feeding roller way and is in driving jacking contact with the paper cylinders; the centering device comprises at least two centering rollers which are arranged oppositely or in a deviating way, and the positioning center of each centering roller is consistent with the center of the displacement detection device.
2. The paper core strength tester according to claim 1, wherein: the feeding roller way is arranged on the frame.
3. The paper core strength tester according to claim 2, wherein: a plurality of pressing reels are arranged on the top of the frame, and are driven to lift by a cylinder.
4. The paper core strength tester according to claim 1, wherein: the two groups of rolling discs are symmetrically arranged on two sides of the center vertical line of the displacement detection device.
5. The paper core strength tester according to claim 1, wherein: the centering device comprises a plurality of sliding rails arranged at intervals, a plurality of moving plates which are transversely arranged on the sliding rails, and a driving circulation line which drives the moving plates to synchronously move.
6. The paper core strength tester according to claim 5, wherein: the centering roller is arranged on the moving plate, and the top end of the centering roller extends out of the upper part of the feeding roller way.
7. The paper core strength tester according to claim 5, wherein: the two moving plates are arranged at two opposite ends of the two sliding rails.
8. The paper core strength tester according to claim 6, wherein: two opposite centering rollers on a group of the movable plates are synchronously driven to approach or separate.
9. The paper core strength tester according to claim 1, wherein: the displacement detection device comprises a detection head and a sensor arranged in the detection head; the detection head is driven by the air cylinder to lift and move.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321620497.8U CN220063689U (en) | 2023-06-26 | 2023-06-26 | Paper core strength tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321620497.8U CN220063689U (en) | 2023-06-26 | 2023-06-26 | Paper core strength tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220063689U true CN220063689U (en) | 2023-11-21 |
Family
ID=88761813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321620497.8U Active CN220063689U (en) | 2023-06-26 | 2023-06-26 | Paper core strength tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220063689U (en) |
-
2023
- 2023-06-26 CN CN202321620497.8U patent/CN220063689U/en active Active
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