CN116642898B - Printed matter on-line measuring device - Google Patents
Printed matter on-line measuring device Download PDFInfo
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- CN116642898B CN116642898B CN202310918981.7A CN202310918981A CN116642898B CN 116642898 B CN116642898 B CN 116642898B CN 202310918981 A CN202310918981 A CN 202310918981A CN 116642898 B CN116642898 B CN 116642898B
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- 238000001514 detection method Methods 0.000 claims abstract description 95
- 238000012545 processing Methods 0.000 claims abstract description 21
- 230000003287 optical effect Effects 0.000 claims abstract description 17
- 238000005461 lubrication Methods 0.000 claims description 25
- 230000006835 compression Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 9
- 210000000988 bone and bone Anatomy 0.000 claims 3
- 230000000694 effects Effects 0.000 abstract description 15
- 239000000428 dust Substances 0.000 abstract description 12
- 238000004140 cleaning Methods 0.000 abstract description 3
- 238000004804 winding Methods 0.000 description 9
- 238000007639 printing Methods 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
- G01N21/892—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles characterised by the flaw, defect or object feature examined
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/12—Brushes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
- G01N21/8901—Optical details; Scanning details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N2021/0106—General arrangement of respective parts
- G01N2021/0112—Apparatus in one mechanical, optical or electronic block
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
- G01N21/8901—Optical details; Scanning details
- G01N2021/8908—Strip illuminator, e.g. light tube
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- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Textile Engineering (AREA)
- Engineering & Computer Science (AREA)
- Inking, Control Or Cleaning Of Printing Machines (AREA)
Abstract
The utility model discloses an online detection device for printed matters, which comprises: the detection machine comprises a detection machine case, an ash removal module and an optical detection module, wherein a collection roller and a plurality of conveying rollers are arranged in the detection machine case, a printed matter moves on the conveying rollers until the printed matter is collected on the collection roller, the ash removal module and the optical detection module are in a starting working state, the ash removal module carries out ash removal treatment on the printed matter below the ash removal module, the optical detection module comprises an image acquisition device, a light source and an image processing unit, when the image acquisition device carries out image acquisition on the printed matter, the ash removal module carries out cleaning treatment on dust on the printed matter, the image acquisition device acquires a printed matter image completely without shielding, when the image processing unit carries out image comparison, the acquisition precision is not influenced due to dust on the printed matter, so that deviation is caused to the comparison result, the detection effect is improved, and the error rate and the cost during online detection are effectively reduced.
Description
Technical Field
The utility model relates to the technical field of printing machinery, in particular to an online detection device for printed matters.
Background
The on-line detection is realized by directly installing equipment on a production line, the soft measurement technology is utilized for real-time detection so as to better guide production, the on-line detection of the printed matter is a full-automatic detection method suitable for high-speed printing, the image processing technology and the printing principle are combined, the on-line detection is more accurate, and the very fine defects can be detected.
The utility model patent of China with the application number of CN202021562950.0 discloses an online detection device for printed matters of a printing machine, which comprises a frame, a conveying roller, an image acquisition device, a light source and an image processing unit, wherein the conveying roller is rotatably arranged on the frame; the method is characterized in that: the printed matter on-line detection device further comprises a paper stabilizing device capable of enabling the printed matter to be clung to the outer surface of the conveying roller, the paper stabilizing device is arranged on the frame, and the acquisition position of the image acquisition device and the irradiation position of the light source are corresponding to the outer surface of the conveying roller. The online detection device for the printed matter can detect the quality of the printed matter online, and can keep the printed matter in a flat state during detection, so that the error rate during online detection is effectively reduced.
However, the online detection device in the above proposal does not take into consideration the problem that the accuracy of the printed matter is reduced during online detection after dust falls on the surface of the printed matter. Therefore, there is a need to provide an online detection device for printed matter, which at least partially solves the problems existing in the prior art.
Disclosure of Invention
In the summary, a series of concepts in a simplified form are introduced, which will be further described in detail in the detailed description. The summary of the utility model is not intended to define the key features and essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.
To at least partially solve the above problems, the present utility model provides an online detection device for printed matter, including: the detection device comprises a detection device main body, wherein the detection device main body comprises a detection case, an ash removal module and an optical detection module, the ash removal module is arranged on the inner top surface of the detection case, the optical detection module is arranged at the bottom of the ash removal module, the optical detection module comprises an image acquisition device, a light source and an image processing unit, a collection roller and a plurality of conveying rollers are arranged in the detection case, a tensioning module is further arranged in the detection case, the tensioning module is positioned on the left side of the ash removal module, and a tensioning roller part is arranged in the tensioning module.
According to the printed matter on-line detection device provided by the embodiment of the utility model, the ash removal module comprises an ash removal box and a motor, a first opening is formed in the bottom of the ash removal box, the motor is arranged on the inner wall of the ash removal box, a reciprocating ash removal part is arranged on the motor, and extends out of the ash removal box through the first opening and removes ash from printed matters.
According to the printed matter on-line detection device provided by the embodiment of the utility model, the reciprocating ash removing part comprises a gear, a transverse sliding groove rail and a brush head, the output end of the motor is provided with the gear, the inner wall of the ash removing box is provided with the transverse sliding groove rail, a sliding block is arranged in the transverse sliding groove rail and is connected with a supporting rod, the lower end of the supporting rod extends to the bottom of the ash removing box through a first opening and is provided with the brush head, and the upper end of the supporting rod is provided with a transverse rack which is meshed with the gear.
According to the printed matter online detection device provided by the embodiment of the utility model, the tension module is further arranged in the detection case and is positioned at the left side of the ash removal module, the tension module comprises a sliding cylinder, a support and a vertical sliding rod, the sliding cylinder is arranged on the outer wall of the vertical sliding rod, the support is arranged on the outer wall of the sliding cylinder, the tension roller part is arranged between two vertical roller rods of the support, a limiting block is arranged on the outer wall of the vertical sliding rod, a vertical guide sleeve is arranged on the outer wall of the support, a vertical screw rod is arranged on the inner wall of the vertical guide sleeve in a penetrating manner, a second opening is formed in the top of the detection case, and one end of the vertical screw rod extends to the top of the detection case through the second opening.
According to the online printed matter detection device provided by the embodiment of the utility model, the tensioning roller part comprises a flexible outer roller sleeve, a roller body, a transverse shaft rod and an inner pre-tightening roller set, wherein the flexible outer roller sleeve is arranged on the roller body, the roller body is arranged on the inner pre-tightening roller set, the inner pre-tightening roller set is rotationally sleeved on the transverse shaft rod, the inner pre-tightening roller set comprises a transverse pre-tightening cylinder, a plurality of transverse frame rods and an inner elastic frame, the transverse pre-tightening cylinder is arranged in the roller body, the transverse frame rods are arranged in the transverse pre-tightening cylinder, the inner elastic frame is arranged among the transverse frame rods, and the inner elastic frame is rotationally arranged on the transverse shaft rod.
According to the printed matter on-line detection device provided by the embodiment of the utility model, the inner elastic frame comprises a special-shaped inner frame body, a transverse shaft sleeve body and a plurality of U-shaped frames, wherein the special-shaped inner frame body is positioned among a plurality of transverse skeleton rods, a plurality of continuous inner support grooves are formed in the special-shaped inner frame body, a plurality of transverse skeleton rods are uniformly distributed in the plurality of inner support grooves at intervals, the plurality of U-shaped frames are uniformly distributed in the special-shaped inner frame body and correspond to the transverse skeleton rods, a plurality of first pressure spring bodies are arranged between two adjacent U-shaped frames, the transverse shaft sleeve body is arranged in the plurality of U-shaped frames, a plurality of second pressure spring bodies are arranged between the transverse shaft sleeve body and the U-shaped frames, and the transverse shaft sleeve body is rotatably arranged on the transverse shaft rod.
According to the printed matter on-line detection device provided by the embodiment of the utility model, the transverse pre-tightening cylinder is internally provided with the plurality of convex plates, the transverse skeleton rod is arranged in the accommodating grooves of the two adjacent convex plates through the flexible sleeve, the inner supporting groove abuts against the flexible sleeve, and the inner backing plate is arranged between the inner supporting groove and the convex plates.
According to the printed matter online detection device provided by the embodiment of the utility model, the U-shaped frame comprises the bottom frame plate and two side frame plates, wherein the two side frame plates are arranged on two sides of the bottom frame plate, a plurality of pressure spring fixing holes are formed in the side frame plate, and the first pressure spring body is arranged between the pressure spring fixing holes of the two adjacent U-shaped frames.
According to the printed matter on-line detection device provided by the embodiment of the utility model, the transverse shaft sleeve body is provided with a plurality of lubrication holes, a lubrication screw rod is arranged in the lubrication holes, a lubrication cavity is arranged in the lubrication screw rod, and a lubrication ball is arranged at the inner end of the lubrication screw rod.
According to the printed matter online detection device provided by the embodiment of the utility model, the roller body is provided with the anti-motion cylinder, the anti-motion cylinder is provided with the plurality of anti-motion grooves, the flexible outer roller sleeve is provided with the anti-motion cylinder, the inner wall of the flexible outer roller sleeve is provided with the plurality of inner convex blocks, the inner convex blocks extend into the anti-motion grooves, the side wall of the anti-motion groove is provided with the plurality of first tooth grooves, and the outer wall of the inner convex blocks is provided with the second tooth grooves corresponding to the first tooth grooves.
Compared with the prior art, the utility model at least comprises the following beneficial effects:
the utility model provides a printed matter online detection device, which comprises a detection device main body, wherein the detection device main body comprises a detection case, an ash removal module and an optical detection module, a collection roller and a plurality of conveying rollers are arranged in the detection case, a left opening for passing through a printed matter is formed in the left side of a detection mechanism, so when the detection case is used, an operator firstly passes the printed matter through the left opening, then winds the printed matter on the conveying rollers and the collection roller arranged in the detection case, and then plays an external power mechanism, the external power mechanism drives the collection roller to rotate, the printed matter moves on the conveying rollers until the printed matter is collected on the collection roller, the ash removal module and the optical detection module are in a starting working state in the process, the ash removal module carries out ash removal treatment on the printed matter below the ash removal module, and the optical detection module comprises an image acquisition device, a light source and an image processing unit, when the image acquisition device carries out image acquisition on the printed matter, the ash removal module firstly carries out cleaning treatment on dust on the printed matter, so that the image acquisition device does not cover the image processing unit, the image processing unit does not have the complete image processing, and the error rate is not influenced when the image processing unit carries out image acquisition, and the image processing is not carried out on the image processing, and the image processing result is not carried out, and the error is detected, and the error is caused.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic diagram of the internal structure of the present utility model.
Fig. 3 is a schematic structural diagram of an ash removal module in the present utility model.
Fig. 4 is a schematic structural view of the tensioning module in the present utility model.
Fig. 5 is a schematic view of the structure of the transverse runner rail in the present utility model.
Fig. 6 is a schematic view showing an internal structure of the tension roller portion in the present utility model.
Fig. 7 is a schematic view showing the internal structure of the inner pre-tightening roll set in the present utility model.
Fig. 8 is a schematic structural view of a U-shaped frame according to the present utility model.
Fig. 9 is a schematic view of a part of the structure of the transverse sleeve body in the present utility model.
Fig. 10 is a schematic view of a portion of a roll body according to the present utility model.
Detailed Description
The present utility model is described in further detail below with reference to the drawings and examples to enable those skilled in the art to practice the utility model by referring to the description.
It will be understood that terms, such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
As shown in fig. 1 to 5, the present utility model provides an online detection device for printed matter, comprising: the detecting device main body 100, the detecting device main body 100 comprises a detecting machine case 1, an ash removing module 2 and an optical detecting module 5, wherein a collecting roller 6 and a plurality of conveying rollers 61 are arranged in the detecting machine case 1, a left opening 104 for passing through a printed matter 500 is arranged on the left side of the detecting machine case 1, so that when the detecting machine case 1 is used, an operator firstly passes through the left opening 104 through the printed matter 500, then winds the printed matter on the conveying rollers 61 and the collecting roller 6 which are arranged in the detecting machine case 1, and then starts an external power mechanism (not shown), the external power mechanism drives the collecting roller 6 to rotate, the printed matter 500 moves on the conveying rollers 61 until being collected on the collecting roller 6, the ash removing module 2 is arranged on the inner top surface of the detecting machine case 1, the optical detecting module 5 is arranged at the bottom of the ash removing module 2, the ash removing module 2 and the optical detecting module 5 are all in a starting working state, the ash removing module 2 carries out ash removing treatment on the printed matter 500 below the dust removing module 5, and the optical detecting module 5 comprises an image collecting device, a light source and an image processing unit (not shown).
Wherein, the collecting position of the image collecting device and the irradiation position of the light source are aligned to the same position of the printed matter 500, so that the collected image has enough brightness. The printed matter 500 moves along the conveying roller 61 under the action of the collecting roller 6, meanwhile, the image collecting device collects images of the printed matter 500 and sends the collected images to the image processing unit, the image processing unit stores preset good images, the image processing unit compares the collected images with the pre-stored good images to obtain a conclusion whether the printing quality of the printed matter 500 meets the requirement or not, and the conclusion is used as a basis that the printing machine can reject the printed matter which does not meet the requirement in the subsequent process. When the image acquisition device acquires the image of the printed matter 500, the dust removal module 2 firstly cleans dust on the printed matter 500, so that the image of the printed matter 500 acquired by the image acquisition device is complete and free of shielding, acquisition precision cannot be affected due to dust on the printed matter 500 when the image processing unit performs image comparison, deviation of comparison results is caused, detection effect is improved, and error rate and cost in online detection are effectively reduced. The image processing unit may employ a computer with image processing software.
Further, a door 102 and an operation panel 103 are mounted on the outer wall of the detection case 1, and the operation panel 103 is located on the left side of the door 102. Here, the door 102 can be opened to store and take out the detected printed matter, and the operation panel 103 facilitates the operator to set the corresponding parameters of the optical detection module 5, so that the specific principle is not repeated.
Exemplary Ash removal Module
Further, in some embodiments of the present utility model, a specific structure of the ash removal module 2 is provided, the ash removal module 2 of the structure includes an ash removal box 20 and a motor 22, where the ash removal box 20 is installed on an inner top surface of the detection case 1, a first opening 21 is provided at a bottom of the ash removal box 20, and the motor 22 is installed on an inner wall of the ash removal box 20, further, a reciprocating ash removal portion is installed on the motor 22, the reciprocating ash removal portion extends out of the ash removal box 20 through the first opening, where the motor 22 is set as a servo motor capable of reciprocally rotating, so after the motor 22 is started, the motor 22 can drive the reciprocating ash removal portion to reciprocally move in the first opening 21, so as to remove dust on the printed matter 500, thereby making the image of the printed matter 500 collected by the image collecting device complete and free of shielding, ensuring that when the image processing unit performs image comparison, the image comparison result is not affected by dust on the printed matter 500, thereby causing deviation in comparison result, improving the online detection effect, and effectively reducing error rate and cost in detection.
Exemplary reciprocating ash removal portion
Further, as shown in fig. 3, the reciprocating ash removing part includes a gear 23, a transverse sliding groove rail 24, and a brush head 28, specifically, the gear 23 is mounted at the output end of the motor 22, the transverse sliding groove rail 24 is mounted on the inner wall of the ash removing box 20, further, a transverse inner sliding groove 241 is formed in the transverse sliding groove 24, a sliding block 25 is mounted in the transverse inner sliding groove 241, the sliding block 25 is connected with a supporting rod 26, the lower end of the supporting rod 26 extends to the bottom of the ash removing box 20 through the first opening 21, and the brush head 28 is mounted, and a transverse rack 27 is mounted at the upper end of the supporting rod 26, and the gear 23 is meshed with the transverse rack 27.
Therefore, when the motor 22 is started to drive the gear 23 to rotate, the gear 23 pushes the transverse rack 27 to move, the rack 27 moves to drive the support rod 26 to move, the support rod 26 moves to drive the sliding block 25 to move along the transverse sliding groove rail 24, the sliding block 25 moves to enable the support rod 26 to move through the first opening 21, the support rod 26 moves to drive the brush head 28 to move, and the brush head 28 moves to enable the surface of the printed matter 500 to be cleaned by dust automatically, so that the function of improving the detection precision of the printed matter on-line detection device by cleaning the surface of the printed matter 500 by dust automatically is realized.
Exemplary tensioning Module
Further, as shown in fig. 4, in the process of detecting and winding the printed matter 500 in line, it is inevitable that the detection effect is affected due to the occurrence of slackening. Thus, in some embodiments of the present utility model, a specific structure of the tensioning module 3 is provided, where the tensioning module 3 is installed in the detection case 1 and is located at the left side of the ash removal module 2, the tensioning module 3 includes a slide 31, a bracket 32, and a vertical slide 33, the outer wall of the vertical slide 33 is provided with the slide 31, the outer wall of the slide 31 is provided with the bracket 32, the tensioning roller portion 37 is installed between two vertical roller bars 321 of the bracket 32, the outer wall of the vertical slide 33 is provided with a limiting block 36, the outer wall of the bracket 32 is installed with a vertical guide sleeve 34, an inner wall of the vertical guide sleeve 34 is installed through to install a vertical screw 35, the top of the detection case 1 is provided with a second opening 11, and one end of the vertical screw 35 extends to the top of the detection case 1 through the second opening 11.
When the printed matter 500 is wound, the printed matter 500 drives the tensioning roller 37 to rotate, and because the tensioning roller 37 provides downward thrust for the printed matter 500, the tension of the movement of the printed matter 500 is increased to prevent the loosening, so that the tension of the movement of the printed matter 500 is increased, and the detection effect and winding quality of the printed matter 500 are improved.
Exemplary tensioning roller portion
As shown in fig. 6 to 10, further, the tension roller 37 can be adjusted by moving the bracket 32 a large distance up and down, but after a long time use, the tension module 3 is loosened more or less relative to the printed matter 500, and the tension effect is reduced, so that the tension roller 37 itself needs to have a certain tension fine adjustment function, so that the tension roller 37 can continuously provide a downward thrust to the printed matter 500, and the tension degree of the printed matter 500 during movement is maintained to prevent the loosening, and further the detection effect and the winding quality of the printed matter 500 are improved.
Some embodiments of the present utility model provide specific configurations of the tension roller portion 37, whereby the tension roller portion 37 may continuously provide downward thrust to the printed matter 500. The tensioning roller part 37 of the structure comprises a flexible outer roller sleeve 38, a roller body 39, a transverse shaft lever 40 and an inner pre-tightening roller group 41;
the transverse shaft lever 40 is specifically fixedly installed between two vertical roller levers 321 of the bracket 32, the inner pre-tightening roller set 41 is rotatably installed on the transverse shaft lever 40, the roller body 39 is installed on the inner pre-tightening roller set 41, the flexible outer roller sleeve 38 is installed on the roller body 39, the flexible outer roller sleeve 38 contacts the printed matter 500, so that after the flexible outer roller sleeve 38 on the tensioning roller part 37 contacts the printed matter 500, the inner pre-tightening roller set 41 is subjected to upward reverse force, the inner elastic frame 45 of the inner pre-tightening roller set 41 can slightly move upwards to deform, and the part contacted with the printed matter 500 can continuously provide downward thrust to the printed matter 500 all the time when the tensioning roller part 37 rotates;
that is, when the printed matter 500 is wound, the flexible outer roller sleeve 38 in the tension roller portion 37 is always in contact with the printed matter 500 under the sitting position of the inner elastic frame 45, so that the printed matter 500 drives the flexible outer roller sleeve 38 to rotate, and the flexible outer roller sleeve 38 drives the roller body 39 and the inner pre-tightening roller group 41 to synchronously rotate on the transverse shaft lever 40, thereby realizing the tensioning effect on the printed matter 500;
as shown in fig. 7, specifically, the inner pre-tightening roller set 41 includes a lateral pre-tightening cylinder 42, a plurality of lateral frame rods 43, and an inner spring frame 45, wherein the lateral pre-tightening cylinder 42 is installed in the roller body 39, and the plurality of lateral frame rods 43 are installed in the lateral pre-tightening cylinder 42, wherein the inner spring frame 45 is installed between the plurality of lateral frame rods 43, and the inner spring frame 45 is specifically rotatably installed on the lateral shaft 40, and the lateral pre-tightening cylinder 42 is installed in the roller body 39 as an outer skeleton of the entire inner pre-tightening roller set 41;
the plurality of transverse frame rods 43 prevent the inner pre-tightening roller set 41 from being deformed transversely, so that when the inner pre-tightening roller set 41 is stressed, only the inner elastic frame 45 in the inner part moves slightly upwards to deform, but the transverse frame rods 43 and the transverse pre-tightening cylinder 42 cannot deform so as to prevent the rotation of the whole tensioning roller part 37 from being influenced, and thus the flexible outer roller sleeve 38 in the tensioning roller part 37 can always contact the surface of the printed matter 500, can continuously provide downward thrust for the printed matter 500, and keeps the tension degree of the printed matter 500 during movement so as to prevent the loosening, thereby further improving the detection effect and the rolling quality of the printed matter 500.
Exemplary inner spring frame
Further, in some embodiments of the present utility model, there is provided a specific structure of the inner spring frame 45, wherein the inner spring frame 45 of the structure includes a profiled inner frame body 46, a transverse shaft sleeve body 47, a plurality of U-shaped frames 48,
wherein the profiled inner frame member 46 is installed between the plurality of transverse frame members 43, wherein the profiled inner frame member 46 has a plurality of continuous inner frame members 461, wherein the plurality of transverse frame members 43 is 3, and the plurality of inner frame members 461 is 6, so the plurality of transverse frame members 43 are uniformly and alternately installed in the inner frame members 461, and the plurality of U-shaped frame members 48 are uniformly and alternately installed in the profiled inner frame member 46 and correspond to the plurality of transverse frame members 43, i.e., the plurality of U-shaped frame members 48 are installed inside the inner frame members 461 having the transverse frame members 43, i.e., the plurality of U-shaped frame members 48 are also 3, and a plurality of first compression spring members 49 are installed between two adjacent U-shaped frame members 48, and the plurality of transverse sleeve members 47 are installed in the plurality of U-shaped frame members 48, and a plurality of second compression spring members 50 are installed between the transverse sleeve members 47 and the U-shaped frame members 48, thereby constructing the inner elastic frame member 45;
the transverse shaft sleeve body 47 is rotatably mounted on the transverse shaft lever 40, so that after the inner elastic frame 45 receives upward reverse force, the inner first pressure spring body 49 and the second pressure spring body 50 deform, so that the inner elastic frame 45 slightly moves upwards relative to the transverse shaft lever 40, the inner elastic frame 45 provides downward thrust for the flexible outer roller sleeve 38 from inside, the flexible outer roller sleeve 38 can continuously contact the surface of the printed matter 500 all the time, the downward thrust can be continuously provided for the printed matter 500, the tension degree of the printed matter 500 during movement is kept to prevent loosening, and the detection effect and the winding quality of the printed matter 500 are further improved.
The plurality of U-shaped frames 48 support the abnormal-shaped inner frame 46 to prevent the abnormal-shaped inner frame 46 from deforming, and the overall quality of the inner elastic frame 45 is reduced by the design of the abnormal-shaped inner frame 46, the transverse shaft sleeve 47, the plurality of U-shaped frames 48 and the like.
Further, in order to cooperate with the inner spring frame 45, a plurality of convex plates 421 are installed in the transverse pre-tightening cylinder 42, and the plurality of convex plates 421 support the transverse pre-tightening cylinder 42 from the inside, so that the transverse pre-tightening cylinder 42 has better strength to bear thrust;
the transverse frame rod 43 is mounted in the accommodating groove 422 of the two adjacent convex plates 421 through the flexible sleeve 431, the inner supporting groove 461 is propped against the flexible sleeve 431, the inner pad 462 is mounted between the inner supporting groove 461 and the convex plates 421, the transverse pre-tightening cylinder 42 is prevented from transversely moving on the abnormal-shaped inner frame body 46 through the design of the flexible sleeve 431 and the inner pad 462, and meanwhile, the transverse frame rod 43 is also prevented from transversely moving in the transverse pre-tightening cylinder 42 through the flexible sleeve 431, so that the rotation process of the tensioning roller part 37 is stable, the thrust to the printed matter 500 is even, and the winding effect of the printed matter 500 is improved.
Exemplary U-shaped frame
As shown in fig. 8, further, in some embodiments of the present utility model, a specific structure of the U-shaped frame 48 is provided, where the U-shaped frame 48 has a simple structure and good supporting force;
the U-shaped frame 48 includes a base frame plate 481, two side frame plates 482, wherein the two side frame plates 482 are mounted on both sides of the base frame plate 481, and the base frame plate 481, the side frame plates 482 are designed to be of the same length so as to be compatible with the length of the entire tension roller portion 37; further, the side surface of the side frame plate 482 facing the special-shaped inner frame body 46 is provided with an anti-slip connection gasket 480, and the side frame plate 482 is fixedly connected with the inner wall of the special-shaped inner frame body 46 through the anti-slip connection gasket 480;
further, a plurality of compression spring fixing holes 483 are formed in the side frame plate 482, and the first compression spring body 49 is mounted between the compression spring fixing holes 483 of the two adjacent U-shaped frames 48, so that after the tension roller portion 37 rotates, the plurality of first compression spring bodies 49 are mounted between the two adjacent U-shaped frames 48, stress of the U-shaped frames 48 is uniform, rotation of the whole tension roller portion 37 is stable, thrust to the printed matter 500 is uniform, and winding effect of the printed matter 500 is improved.
Exemplary lateral shaft sleeve body
As shown in fig. 9, in some embodiments of the present utility model, a plurality of lubrication holes 471 are formed in the transverse shaft sleeve body 47, a lubrication screw 472 is installed in the lubrication holes 471, a lubrication cavity 473 is formed in the lubrication screw 472, and a lubrication ball 474 is installed in the inner end of the lubrication screw 472, so that when the transverse shaft sleeve body 47 rotates on the transverse shaft 40, the lubrication ball 474 contacts the transverse shaft 40 to rotate, thereby driving the lubrication ball 475 outwards from the lubrication cavity 473, further enabling the lubrication ball 474 to smoothly rotate on the transverse shaft 40, further facilitating the rotation of the whole tensioning roller 37 to be stable, further enabling the thrust to be uniform on the printed product 500, and improving the winding effect of the printed product 500.
Exemplary roller bodies
As shown in fig. 10, further, in some embodiments of the present utility model, an anti-moving cylinder 391 is further mounted on the roller 39, correspondingly, a flexible outer roller sleeve 38 is mounted on the anti-moving cylinder 391, further, a plurality of anti-moving grooves 392 are formed on the anti-moving cylinder 391, and a plurality of inner protrusions 381 are formed on the inner wall of the flexible outer roller sleeve 38, so that after the flexible outer roller sleeve 38 is mounted on the anti-moving cylinder 391, the inner protrusions 381 extend into the anti-moving grooves 392, and therefore, the flexible outer roller sleeve 38 rotates synchronously with the roller 39, and the flexible outer roller sleeve 38 does not laterally move on the roller 39 to affect the winding effect of the printed product 500.
Further, a plurality of first tooth grooves 393 are formed on the side wall of the anti-motion groove 392, and a second tooth groove 382 is correspondingly formed on the outer wall of the inner protruding block 381, so that after the inner protruding block 381 extends into the anti-motion groove 392, the second tooth groove 382 is meshed with the first tooth groove 393, the firmness of the flexible outer roller sleeve 38 on the roller body 39 is further improved, and the influence of transverse movement of the flexible outer roller sleeve 38 on the roller body 39 on the winding effect of the printed matter 500 is avoided.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Although embodiments of the present utility model have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the utility model would be readily apparent to those skilled in the art, and accordingly, the utility model is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.
Claims (9)
1. An online printed matter detection device, comprising:
the detection device comprises a detection device main body (100), wherein the detection device main body (100) comprises a detection case (1), an ash removal module (2) and an optical detection module (5), the ash removal module (2) is arranged on the inner top surface of the detection case (1), the optical detection module (5) is arranged at the bottom of the ash removal module (2), the optical detection module (5) comprises an image acquisition device, a light source and an image processing unit, a collection roller (6) and a plurality of conveying rollers (61) are arranged in the detection case (1), a tensioning module (3) is further arranged in the detection case (1), the tensioning module is positioned on the left side of the ash removal module (2), and a tensioning roller part (37) is arranged in the tensioning module (3);
the tensioning roller part (37) comprises a flexible outer roller sleeve (38), a roller body (39), a transverse shaft rod (40) and an inner pre-tightening roller set (41), wherein the flexible outer roller sleeve (38) is arranged on the roller body (39), the roller body (39) is arranged on the inner pre-tightening roller set (41), the inner pre-tightening roller set (41) is rotationally sleeved on the transverse shaft rod (40), the inner pre-tightening roller set (41) comprises a transverse pre-tightening cylinder (42), a plurality of transverse bone hack levers (43) and an inner elastic frame (45), the transverse pre-tightening cylinder (42) is arranged in the roller body (39), a plurality of transverse bone hack levers (43) are arranged in the transverse pre-tightening cylinder (42), the inner elastic frame (45) is arranged between the transverse bone hack levers (43), and the inner elastic frame (45) is rotationally arranged on the transverse shaft rod (40).
2. The online printed matter detection device according to claim 1, wherein the ash removal module (2) comprises an ash removal box (20) and a motor (22), a first opening (21) is formed in the bottom of the ash removal box (20), the motor (22) is arranged on the inner wall of the ash removal box (20), a reciprocating ash removal part is arranged on the motor (22), and the reciprocating ash removal part extends out of the ash removal box through the first opening and removes ash on printed matters.
3. The printed matter on-line detection device according to claim 2, wherein the reciprocating ash removing portion comprises a gear (23), a transverse sliding groove rail (24) and a brush head (28), the output end of the motor (22) is provided with the gear (23), the inner wall of the ash removing box (20) is provided with the transverse sliding groove rail (24), a sliding block (25) is arranged in the transverse sliding groove rail (24), the sliding block (25) is connected with a supporting rod (26), the lower end of the supporting rod (26) extends to the bottom of the ash removing box (20) through a first opening (21) and is provided with the brush head (28), the upper end of the supporting rod (26) is provided with a transverse rack (27), and the gear (23) is meshed with the transverse rack (27).
4. The printed matter on-line detection device according to claim 1, wherein the tensioning module (3) comprises a sliding cylinder (31), a support (32) and a vertical sliding rod (33), the sliding cylinder (31) is arranged on the outer wall of the vertical sliding rod (33), the support (32) is arranged on the outer wall of the sliding cylinder (31), the tensioning roller portion (37) is arranged between two vertical roller rods (321) of the support (32), a limiting block (36) is arranged on the outer wall of the vertical sliding rod (33), a vertical guide sleeve (34) is arranged on the outer wall of the support (32), a vertical screw rod (35) penetrates through the inner wall of the vertical guide sleeve (34), a second opening (11) is formed in the top of the detection case (1), and one end of the vertical screw rod (35) extends to the top of the detection case (1) through the second opening (11).
5. The printed matter on-line detection device according to claim 1, wherein the inner elastic frame (45) comprises a special-shaped inner frame body (46), a transverse shaft sleeve body (47) and a plurality of U-shaped frames (48), the special-shaped inner frame body (46) is located among the plurality of transverse frame rods (43), a plurality of continuous inner support grooves (461) are formed in the special-shaped inner frame body (46), the plurality of transverse frame rods (43) are uniformly distributed in the plurality of inner support grooves (461) at intervals, the plurality of U-shaped frames (48) are uniformly distributed in the special-shaped inner frame body (46) and correspond to the transverse frame rods (43), a plurality of first pressure spring bodies (49) are arranged between two adjacent U-shaped frames (48), the transverse shaft sleeve body (47) is arranged in the plurality of U-shaped frames (48), a plurality of second pressure spring bodies (50) are arranged between the transverse shaft sleeve body (47) and the U-shaped frames (48), and the transverse shaft sleeve body (47) is rotationally arranged on the transverse shaft rod (40).
6. The printed matter on-line detection device according to claim 5, wherein a plurality of convex plates (421) are arranged in the transverse pre-tightening cylinder (42), the transverse skeleton rod (43) is arranged in the accommodating grooves (422) of two adjacent convex plates (421) through a flexible sleeve (431), the inner supporting groove (461) abuts against the flexible sleeve (431), and an inner backing plate (462) is arranged between the inner supporting groove (461) and the convex plates (421).
7. The printed matter on-line detection device according to claim 5, wherein the U-shaped frame (48) comprises a base frame plate (481), two side frame plates (482) are arranged on two sides of the base frame plate (481), a plurality of compression spring fixing holes (483) are formed in the side frame plates (482), and the first compression spring body (49) is arranged between the compression spring fixing holes (483) of two adjacent U-shaped frames (48).
8. The printed matter on-line detection device according to claim 5, wherein a plurality of lubrication holes (471) are formed in the transverse shaft sleeve body (47), a lubrication screw (472) is arranged in the lubrication holes (471), a lubrication cavity (473) is arranged in the lubrication screw (472), and lubrication balls (474) are arranged at the inner ends of the lubrication screw (472).
9. The printed matter on-line detection device according to claim 5, wherein an anti-moving cylinder (391) is arranged on the roller body (39), a plurality of anti-moving grooves (392) are arranged on the anti-moving cylinder (391), the flexible outer roller sleeve (38) is arranged on the anti-moving cylinder (391), a plurality of inner convex blocks (381) are arranged on the inner wall of the flexible outer roller sleeve (38), the inner convex blocks (381) extend into the anti-moving grooves (392), a plurality of first tooth grooves (393) are arranged on the side wall of the anti-moving grooves (392), and second tooth grooves (382) corresponding to the first tooth grooves (393) are arranged on the outer wall of the inner convex blocks (381).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310918981.7A CN116642898B (en) | 2023-07-26 | 2023-07-26 | Printed matter on-line measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310918981.7A CN116642898B (en) | 2023-07-26 | 2023-07-26 | Printed matter on-line measuring device |
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| Publication Number | Publication Date |
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| CN116642898A CN116642898A (en) | 2023-08-25 |
| CN116642898B true CN116642898B (en) | 2023-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310918981.7A Active CN116642898B (en) | 2023-07-26 | 2023-07-26 | Printed matter on-line measuring device |
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