CN115683915B - Wrapping bag printing face resistance to wears detection device - Google Patents
Wrapping bag printing face resistance to wears detection device Download PDFInfo
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- CN115683915B CN115683915B CN202310000757.XA CN202310000757A CN115683915B CN 115683915 B CN115683915 B CN 115683915B CN 202310000757 A CN202310000757 A CN 202310000757A CN 115683915 B CN115683915 B CN 115683915B
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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
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
Abstract
The invention discloses a device for detecting the abrasion resistance of a printed surface of a packaging bag, which relates to the technical field of detection and comprises a base, a top seat and a barrel connected between the base and the top seat, wherein a hollow shaft and a first driving mechanism are installed on the top seat; the barrel is provided with a plurality of belt conveyors vertically arranged on the base, the belt conveyors are arranged in a circumferential manner around the axis of the barrel, and a plurality of friction bodies are uniformly distributed on the outer belt surface of each belt conveyor; a vertical hollow pipe is arranged between the outer belt surface of the belt conveyor and the inner wall of the barrel body, a valve is mounted on the hollow pipe, the top end of the hollow pipe is fixedly connected to the gas distributing cylinder and communicated with the gas distributing cylinder, and the bottom end of the hollow pipe is used for sleeving and sealing a packaging bag. The invention adopts automatic simulation of the actual use situation of the packaging bag, so that the frictional action on the surface of the packaging bag is more diversified, the authenticity of the simulated wear scene of the packaging bag is improved, and the accuracy of the detection result is improved.
Description
Technical Field
The invention relates to the technical field of detection, in particular to a device for detecting abrasion resistance of a printed surface of a packaging bag.
Background
After the surface of the packaging bag is printed, the abrasion resistance of the packaging bag needs to be detected, namely the definition integrity of the worn printing image-text is detected so as to judge the printing quality.
The existing method is carried out manually, an operator rubs the surface of the packaging bag by using a special brush, and then the rubbed packaging bag is taken as a sample and sent into a detection room for visual inspection, so that the method is difficult to simulate the abrasion condition in the actual use scene of the packaging bag, and the difference between the detection result and the statistical result after actual use is huge; moreover, the manual operation of operators consumes manpower, the yield of experimental samples is low, and the friction force and the friction frequency cannot be regulated, so that the quality of the samples is uneven, and the accuracy of detection results is seriously influenced.
Disclosure of Invention
The invention aims to provide a device for detecting the abrasion resistance of a printing surface of a packaging bag, and aims to solve the technical problem that the detection accuracy of the abrasion resistance of the printing surface of the packaging bag is low in the prior art.
In order to solve the technical problem, the technical scheme of the invention is as follows:
the packaging bag printing surface abrasion resistance detection device comprises a base, a top seat and a barrel connected between the base and the top seat, wherein a hollow shaft and a first driving mechanism for driving the hollow shaft to rotate are mounted on the top seat; a plurality of belt conveyors are arranged in the barrel and are positioned below the gas distributing cylinder, the belt conveyors are vertically arranged, the belt conveyors are arranged in a circumferential manner around the axis of the barrel, and a plurality of first friction bodies are uniformly distributed on the outer belt surface of each belt conveyor; be equipped with vertical hollow tube between the outer tape face of belt feeder and the barrel inner wall, install the valve on the hollow tube, the top rigid coupling of hollow tube is in cloth inflator and intercommunication, and the bottom of hollow tube is used for the cover to seal the wrapping bag.
Wherein, first friction body includes friction portion and buckle portion, and buckle portion joint is on the outer band face of belt feeder, and friction portion is one or two kinds of combinations of soft plastics, rigid plastic.
The belt conveyor comprises a rack, a driving roller and a driven roller which are rotated on the rack, a second driving mechanism for driving the driving roller to rotate, a belt is connected between the driving roller and the driven roller, the second driving mechanism comprises a first rotating shaft which is rotatably connected on the rack, the top end of the first rotating shaft is in transmission connection with the shaft end of the driving roller through a bevel gear assembly, the bottom end of the first rotating shaft extends to the bottom of the base, a second rotating shaft is fixedly connected to the bottom of the gas distributing cylinder, the bottom end of the second rotating shaft extends to the bottom of the base, a first gear is fixedly connected to the bottom end of the first rotating shaft, a second gear is fixedly connected to the bottom end of the second rotating shaft, and a plurality of first gears are meshed around the outer side of the second gear.
Wherein, the hollow tube includes violently pipe and the standpipe of integrative intercommunication, is connected with the branch pipe on the body of standpipe, and the branch pipe extends the setting upwards to one side, and the outer port spiro union of branch pipe has the end cover.
The vertical pipe comprises an upper hard pipe and a lower hard pipe which are connected in a rotating mode, a third gear is fixedly connected to the upper hard pipe, a gear ring is fixedly connected to the barrel, and the third gears are meshed on the inner side of the gear ring in a surrounding mode.
The transverse pipe is a telescopic pipe, the telescopic pipe comprises a first hard pipe and a second hard pipe in the first hard pipe in sealed sleeving connection, and a locking mechanism used for locking the second hard pipe is arranged on the first hard pipe.
The horizontal pipe is a telescopic pipe, the telescopic pipe comprises a first hard pipe and a second hard pipe in the first hard pipe which is in sealed sleeving connection, an air cylinder is installed on the first hard pipe, and a driving rod of the air cylinder is connected to the second hard pipe.
Wherein, the inner wall of the cylinder body is provided with a first friction body.
Wherein, the barrel includes skeleton and a plurality of arc, and one side of arc articulates in the skeleton, and the arc swing lock is at the opening part of skeleton.
Wherein the rotary joint is connected with a negative pressure dust collector.
After the technical scheme is adopted, the invention has the beneficial effects that:
1. the method adopts automatic simulation of the actual use situation of the packaging bag, so that the frictional action on the surface of the packaging bag is more diversified, the authenticity of the simulated wear scene of the packaging bag is improved, and the accuracy of the detection result is improved; and the sample yield is high, and the automatic batch detection is realized.
2. The pneumatic packaging device can simulate an inflatable packaging state, a vacuumizing packaging state and a loading state, is suitable for wear tests under various scenes, and improves the universality.
3. Not only can the revolution rub among the wrapping bag testing process, but also vertical friction, rotation friction realize that the wrapping bag surface receives the variety of rubbing action to can also effectual adjustment friction dynamics, improve the accuracy of testing result further.
Drawings
FIG. 1 is a schematic structural diagram of a first embodiment of the apparatus for detecting abrasion resistance of a printed surface of a packaging bag according to the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 with the arcuate plate removed;
FIG. 3 is a schematic view of the structure of FIG. 2 with the top and bottom bases removed;
FIG. 4 is a schematic structural diagram of the first friction body in FIG. 3;
FIG. 5 is a schematic structural view of a hollow tube in a second embodiment of the apparatus for detecting abrasion resistance of a printed surface of a packaging bag according to the present invention;
FIG. 6 is a schematic structural view of a hollow tube in a third embodiment of the apparatus for detecting abrasion resistance of a printed surface of a packaging bag according to the present invention;
FIG. 7 is a schematic structural diagram of a hollow tube in a fourth embodiment of the apparatus for detecting abrasion resistance of a printed surface of a packaging bag according to the present invention;
in the figure, a base plate 1, a support leg 2, a top seat 3, a hollow shaft 30, a motor 31, a rotary joint 32, a mounting frame 33, a gas distribution cylinder 34, a second rotating shaft 35, a second gear 36, a hollow pipe 4, a transverse pipe 40, a first hard pipe 400, a second hard pipe 401, a locking bolt 402, a cylinder 403, a vertical pipe 41, a valve 410, a branch pipe 411, an upper hard pipe 412, a lower hard pipe 413, a third gear 414, a framework 5, a gear ring 50, an arc-shaped plate 6, a second friction body 60, a belt conveyor 7, a frame 70, a belt 71, a first friction body 72, a friction part 720, a buckling part 721, a first rotating shaft 73 and a first gear 74.
Detailed Description
The invention is further elucidated below with reference to the accompanying drawing.
The orientations referred to in the specification are based on the orientation of the detecting device for detecting the abrasion resistance of the printing surface of the packaging bag in normal operation, and the orientations of the detecting device for detecting the abrasion resistance of the printing surface of the packaging bag in storage and transportation are not limited, and only represent relative position relations, but not absolute position relations.
Example one
As shown in fig. 1, 2, 3 and 4, the anti-wear performance detection device for the printing surface of the packaging bag comprises a base, a top seat 3, a cylinder and a plurality of belt conveyors 7, wherein the base comprises a horizontally arranged substrate 1, support legs 2 used for supporting the ground are installed at the bottom of the substrate 1, the top seat 3 is located above the base, and the cylinder is fastened between the top seat 3 and the base through bolts.
The processing of footstock 3 center has vertical through-hole, rotates through the bearing in the vertical through-hole and connects hollow shaft 30, installs a drive mechanism on the footstock 3, and a drive mechanism includes motor 31, and motor 31's motor shaft passes through gear assembly or sprocket chain subassembly and is connected with the transmission of hollow shaft 30.
The top end of the hollow shaft 30 is connected with a positive pressure air supply system and a negative pressure air supply system through a rotary joint 32, the positive pressure air supply system and the negative pressure air supply system comprise air supply pipelines, an outer pipe opening of each air supply pipeline is connected with one end of a three-way valve, and the other two ends of each three-way valve are respectively connected with an air blower and a negative pressure fan. Wherein, the top of the top seat 3 is provided with a mounting rack 33, a rotary joint 32 is fixed on the mounting rack 33, the rotary port of the rotary joint 32 is connected with the hollow shaft 30, and the fixed port of the rotary joint 32 is connected with the inner port of the air supply pipeline.
The inside of the cylinder body is provided with a gas distribution cylinder 34, the bottom end of the hollow shaft 30 extends into the cylinder body and extends into the gas distribution cylinder 34, the hollow shaft 30 is fixedly connected with a flange ring, and the flange ring is fastened on the top surface of the gas distribution cylinder 34 through bolts, so that the hollow shaft 30 is fixedly connected with the gas distribution cylinder 34; the cavity of the hollow shaft 30 is communicated with the inner cavity of the gas barrel 34.
The belt conveyor 7 is located below the gas cylinder 34, the belt conveyor 7 is vertically arranged, the belt conveyor 7 comprises a rack 70, a driving roller and a driven roller which rotate on the rack 70, a second driving mechanism for driving the driving roller to rotate, and a belt 71 is connected between the driving roller and the driven roller. The driving roller is driven to rotate by the second driving mechanism, so that the belt 71 is driven to circularly move on the vertical surface.
The frame 70 of the belt conveyor 7 is fixed on the substrate 1, a plurality of belt conveyors 7 are arranged, the plurality of belt conveyors 7 are arranged in a circumferential manner around the axis of the cylinder, the outer belt surface of the belt conveyor 7 is provided with a first friction body 72, the plurality of first friction bodies 72 are arranged, and the plurality of first friction bodies 72 are uniformly distributed on the surface of the belt 71 as protrusions; the first friction body 72 is in a shape of a strip, a sheet or a ball, and is made of hard plastic, soft plastic or cloth, and the outer corners of the hard plastic need to be chamfered.
A vertical hollow pipe 4 is arranged between the belt surface of the belt conveyor 7 and the inner wall of the cylinder body, a valve 410 is installed on the hollow pipe 4, the valve 410 is preferably a butterfly valve, the top end of the hollow pipe 4 is welded on the gas distribution cylinder 34, and the pipe cavity of the hollow pipe 4 is communicated with the inner cavity of the gas distribution cylinder 34. The lower pipe orifice of the hollow pipe 4 is a threaded pipe.
When in use, the bag opening of the packaging bag is sleeved on the threaded pipe and then fastened through an adhesive tape or a clamp, so that the sealing property of the connecting part of the packaging bag and the hollow pipe 4 is ensured;
starting the motor 31 to rotate the hollow shaft 30, so as to drive each packaging bag to circularly advance in the area between the cylinder body and the belt conveyor 7, and enabling each packaging bag to continuously and frictionally contact with the first friction body 72 on the belt conveyor 7; starting belt feeder 7 for the first frictional body 72 of the outer face of taking of belt 71 can the downstream, makes the wrapping bag more various with first frictional body 72's relative movement position, and the wrapping bag surface receives the friction action more various promptly, improves the authenticity of wrapping bag simulation wearing and tearing scene, improves detection quality.
When the packaging bag is inflated and packaged for use, the air blower is started, the butterfly valve is opened, the packaging bag is inflated through the air blower, and after the inflation is completed, the butterfly valve is closed. Thereby simulating the use scene of the inflatable package of the packaging bag.
When the packaging bag is vacuumized and packaged for use, the negative pressure fan is started, the butterfly valve is opened, the packaging bag is vacuumized through the negative pressure fan, and the butterfly valve is closed after the vacuumizing is completed. Thereby simulating the use scene of the vacuum-pumping package of the package bag. Thereby meeting the requirements of different use scenes.
Moreover, the device can synchronously simulate a plurality of samples, thereby improving the sample yield.
Preferably, the first friction body 72 includes a friction portion 720 and a fastening portion 721, a hidden fastener is disposed on an outer surface of the belt 71 of the belt conveyor 7, the fastening portion 721 is fastened to the hidden fastener, and the friction portion 720 is a portion directly contacting with a surface of the packaging bag. So that the first friction body 72 can be replaced as needed.
Preferably, the second driving mechanism comprises a first rotating shaft 73 rotatably connected to the frame 70, the bottom end of the first rotating shaft 73 is in transmission connection with the shaft end of the driving roller through a bevel gear assembly, the bottom end of the first rotating shaft 73 extends to the bottom of the base, the bottom of the gas distribution cylinder 34 is fixedly connected with a second rotating shaft 35, the bottom end of the second rotating shaft 35 extends to the bottom of the base, the bottom end of the first rotating shaft 73 is fixedly connected with a first gear 74, the bottom end of the second rotating shaft 35 is fixedly connected with a second gear 36, and a plurality of first gears 74 are meshed around the outer side of the second gear 36. When the hollow shaft 30 is driven by the motor 31 to rotate, the second rotating shaft 35 is driven to synchronously rotate, the first rotating shaft 73 is rotated under the transmission of the first gear 74 and the second gear 36, and then the driving roller is rotated under the transmission of the bevel gear assembly, namely, the belt 71 is driven. The wrapping bag can be realized through a power source and encircle the action and the action of marcing of belt feeder 7, effectively reduce equipment input.
Further, the hollow tube 4 comprises a transverse tube 40 and a vertical tube 41 which are integrally communicated, the transverse tube 40 is connected to the gas distribution tube, the vertical tube 41 is used for connecting a packaging bag, a branch tube 411 is connected to the tube body of the vertical tube 41, the branch tube 411 extends upwards in an inclined mode, and an end cover is screwed on an outer port of the branch tube 411. The wrapping bag is connected behind standpipe 41, can put in the packing material in towards the packing bag through branch pipe 411, passes through end cover closed branch pipe 411 after putting in for the wrapping bag detects after can packing material of packing into, further improves the authenticity of simulation, has improved the quality that detects.
Furthermore, a plurality of second friction bodies 60 are distributed on the inner wall of the cylinder, the second friction bodies 60 and the first friction body 72 are the same structural bodies only with different installation positions, the inner side and the outer side of the packaging bag are in friction contact through the second friction bodies 60, the surface of the packaging bag is more diversified in friction action, and the detection quality is further improved.
Preferentially, the barrel includes skeleton 5 and four arcs 6, is equipped with four openings on the skeleton 5 all around, and every opening corresponds an arc 6, and one side of arc 6 articulates in skeleton 5, and it is fixed through magnetism between the other end of arc 6 and the skeleton 5 for arc 6 can swing the switching, and second friction body 60 is laid in the inboard of arc 6, and the outside of arc 6 is equipped with the handle. Open arc 6 through the operating handle, realize the dismouting of wrapping bag, the maintenance of barrel inner part has improved the convenience of using.
Further, the rotary joint 32 is connected to a negative pressure dust collector (not shown) through a branch line. During cleaning the device, the negative pressure dust collector is started, the motor 31 is started, and the hollow shaft 30 and the belt conveyor 7 synchronously act, so that impurities generated in the detection process are sucked out and recovered into the negative pressure dust collector.
Example two
The difference between this embodiment and the first embodiment is that, as shown in fig. 5, the vertical pipe 41 includes an upper hard pipe 412 and a lower hard pipe 413, the upper hard pipe 412 is connected to the horizontal pipe 40, the lower hard pipe 413 is sleeved in the upper hard pipe 412, and a rotary sealing ring is disposed between the upper hard pipe and the lower hard pipe 412, and the branch pipe 411 is connected to the lower hard pipe 413. The upper hard tube 412 is coaxially and fixedly connected with a third gear 414, the cylinder body is fixedly connected with a gear ring 50, and a plurality of third gears 414 are circularly meshed on the inner side tooth surface of the gear ring 50. When the hollow shaft 30 is driven by the motor 31 to rotate, the vertical tube 41 is driven to rotate around the center of the cylinder, and due to the engagement of the third gear 414 and the gear ring 50, the third gear 414 advances along the gear ring 50 in a transmission manner, that is, the lower hard tube 413 rotates relative to the upper hard tube 412, so that the packaging bag connected to the lower hard tube 413 revolves around the center of the cylinder, and simultaneously rotates, the diversity of the friction action of the packaging bag is further improved, and the detection quality is improved.
EXAMPLE III
The difference between the first embodiment and the second embodiment is that, as shown in fig. 6, the horizontal tube 40 is an extension tube, which can adjust the distance between the packaging bag and the first friction body 72, and then adjust the friction force applied to the packaging bag. The telescopic pipe comprises a first hard pipe 400 and a second hard pipe 401, the second hard pipe 401 is sleeved in the first hard pipe 400, a sealing ring is arranged between the first hard pipe 400 and the second hard pipe 401, and a locking mechanism used for locking the second hard pipe 401 is arranged on the first hard pipe 400. Locking mechanism includes locking bolt 402, and the pipe end lateral wall of first hard tube 400 is equipped with the screw hole, and locking bolt 402 is connected in the screw hole, slides along first hard tube 400 through second hard tube 401 and adjusts violently the overall length of pipe 40, through screwing locking bolt 402 for locking bolt 402's inner top is tight on second hard tube 401, realizes the locking to second hard tube 401.
Example four
The difference between the first embodiment and the second embodiment is that, as shown in fig. 7, the transverse tube 40 is a telescopic tube, the telescopic tube includes a first hard tube 400 and a second hard tube 401, the second hard tube 401 is hermetically sleeved in the first hard tube 400, an air cylinder 403 is installed on the first hard tube 400, and a driving rod of the air cylinder 403 is connected to the second hard tube 401. In this embodiment, the motor 31 drives the hollow shaft 30 to rotate in a reciprocating periodic manner, and the cylinder 403 drives the second hard tube 401 to stretch and retract in a reciprocating manner, so that the friction force of the packaging bag is changed in real time, the packaging bag can be rubbed in each force stage, and the detection quality is further improved.
The present invention is not limited to the above-described embodiments, and various modifications made by those skilled in the art without inventive skill from the above-described conception fall within the scope of the present invention.
Claims (10)
1. The packaging bag printing surface abrasion resistance detection device comprises a base, a top seat and a cylinder connected between the base and the top seat, and is characterized in that,
the top seat is provided with a hollow shaft and a first driving mechanism for driving the hollow shaft to rotate, a gas distribution cylinder is arranged in the cylinder body, the hollow shaft and the gas distribution cylinder are coaxially and fixedly connected and communicated, and the top end of the hollow shaft is connected with a positive-pressure gas supply system and a negative-pressure gas supply system through a rotary joint; the belt conveyor is vertically arranged, the belt conveyors are arranged in a circumferential manner around the axis of the barrel, and a plurality of first friction bodies are uniformly distributed on the outer belt surface of the belt conveyor;
the outer face of taking of belt feeder with be equipped with vertical hollow tube between the barrel inner wall, install the valve on the hollow tube, the top rigid coupling of hollow tube is in gas distribution cylinder and intercommunication, the bottom of hollow tube is used for the cover to seal the wrapping bag.
2. The apparatus for detecting the abrasion resistance of the printing surface of the packaging bag according to claim 1, wherein the first friction body comprises a friction portion and a fastening portion, the fastening portion is fastened on the outer belt surface of the belt conveyor, and the friction portion is one or a combination of soft plastics and hard plastics.
3. The packaging bag printing surface abrasion resistance detection device according to claim 1, wherein the belt conveyor comprises a frame, a driving roller and a driven roller which rotate on the frame, and a second driving mechanism for driving the driving roller to rotate, a belt is connected between the driving roller and the driven roller, the second driving mechanism comprises a first rotating shaft which is rotatably connected on the frame, the top end of the first rotating shaft is in transmission connection with the shaft end of the driving roller through a bevel gear assembly, the bottom end of the first rotating shaft extends to the bottom of the base, a second rotating shaft is fixedly connected to the bottom of the gas distribution cylinder, the bottom end of the second rotating shaft extends to the bottom of the base, a first gear is fixedly connected to the bottom end of the first rotating shaft, a second gear is fixedly connected to the bottom end of the second rotating shaft, and a plurality of first gears are engaged around the outer side of the second gear.
4. The apparatus for testing abrasion resistance of a printed surface of a packaging bag according to claim 1, wherein the hollow tube comprises a horizontal tube and a vertical tube which are integrally communicated, a branch tube is connected to a tube body of the vertical tube, the branch tube extends obliquely upwards, and an end cap is screwed to an outer port of the branch tube.
5. The apparatus for testing abrasion resistance of a printing surface of a packing bag according to claim 4, wherein the vertical tube comprises an upper rigid tube and a lower rigid tube which are rotatably connected, a third gear is fixedly connected to the upper rigid tube, a gear ring is fixedly connected to the cylinder, and a plurality of third gears are engaged around the inner side of the gear ring.
6. The apparatus for testing abrasion resistance of a printed surface of a packaging bag according to claim 4, wherein the horizontal tube is a telescopic tube, the telescopic tube comprises a first hard tube and a second hard tube in the first hard tube which is hermetically sleeved, and a locking mechanism for locking the second hard tube is arranged on the first hard tube.
7. The apparatus for testing abrasion resistance of a printed surface of a packaging bag according to claim 4, wherein the horizontal tube is a telescopic tube, the telescopic tube comprises a first hard tube and a second hard tube which is hermetically sleeved in the first hard tube, the first hard tube is provided with a cylinder, and a driving rod of the cylinder is connected to the second hard tube.
8. The apparatus for testing abrasion resistance of a printing surface of a packing bag according to claim 1, wherein a second rubbing body is disposed on an inner wall of the cylinder.
9. The apparatus for testing abrasion resistance of a printing surface of a packaging bag according to claim 8, wherein the cylinder includes a frame and a plurality of arc-shaped plates, one side of each arc-shaped plate is hinged to the frame, and the arc-shaped plates are swung to be fastened at an opening of the frame.
10. The apparatus for testing abrasion resistance of a printed side of a packaging bag according to claim 1, wherein the rotary joint is connected with a negative pressure dust collector.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310000757.XA CN115683915B (en) | 2023-01-03 | 2023-01-03 | Wrapping bag printing face resistance to wears detection device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310000757.XA CN115683915B (en) | 2023-01-03 | 2023-01-03 | Wrapping bag printing face resistance to wears detection device |
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| CN115683915B true CN115683915B (en) | 2023-04-14 |
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| CN116642792B (en) * | 2023-07-26 | 2023-10-03 | 保定三叶橡胶机带制造有限公司 | Belt body abrasion resistance detection device for flame-retardant rubber conveying belt |
| CN117420041B (en) * | 2023-12-19 | 2024-03-12 | 山东德裕天虹新材料科技有限公司 | Detection equipment for printing material |
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| CN111735729A (en) * | 2020-08-26 | 2020-10-02 | 广东电网有限责任公司东莞供电局 | Wire and cable wear resistance detection device and detection method |
| CN115078068A (en) * | 2022-06-15 | 2022-09-20 | 北京理工大学 | Line contact friction wear testing machine with automatic loading function |
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| GB1404673A (en) * | 1972-08-03 | 1975-09-03 | Gnii Mashinovedeniya | Method of determing the frictional and mechanical properties of materials and apparatus for putting the method into practise |
| JPH05113392A (en) * | 1991-10-22 | 1993-05-07 | Fujitsu Ltd | Method for evaluating durability of membrane |
| CN209979409U (en) * | 2019-06-10 | 2020-01-21 | 山东省产品质量检验研究院 | Anti-rubbing bursting strength experimental device for inflatable packaging bag |
| CN111122368A (en) * | 2019-12-30 | 2020-05-08 | 江苏劲嘉新型包装材料有限公司 | Device for detecting anti-friction capability of surface of printed matter |
| CN111441162B (en) * | 2020-04-01 | 2022-03-18 | 温州职业技术学院 | Pressing and stacking device for finished garment |
| CN218003146U (en) * | 2022-07-07 | 2022-12-09 | 江苏省瑞达包装有限公司 | Wrapping bag wear resistance testing arrangement |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111735729A (en) * | 2020-08-26 | 2020-10-02 | 广东电网有限责任公司东莞供电局 | Wire and cable wear resistance detection device and detection method |
| CN115078068A (en) * | 2022-06-15 | 2022-09-20 | 北京理工大学 | Line contact friction wear testing machine with automatic loading function |
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