CN216225497U

CN216225497U - Film sorting mechanism and sorting system with same

Info

Publication number: CN216225497U
Application number: CN202120919575.9U
Authority: CN
Inventors: 宋拥军; 伍锡焱; 吴家斌; 骆家诚
Original assignee: Huqiu Image New Material Technology Suzhou Co ltd
Current assignee: Huqiu Image New Material Technology Suzhou Co ltd
Priority date: 2020-11-26
Filing date: 2021-04-29
Publication date: 2022-04-08
Anticipated expiration: 2031-04-29
Also published as: CN112147159A

Abstract

The utility model provides a film sorting mechanism and a sorting system with the same, belonging to the technical field of film sorting, wherein the film sorting mechanism comprises: the conveying belt conveyor comprises a shell, wherein a plurality of conveying belts are arranged on the upper surface of the shell in parallel at intervals, and a first driving device for driving the conveying belts to move is arranged in the shell; the supporting plate is arranged on the shell and is arranged below the conveying belt in parallel, and a plurality of vent holes are formed in the supporting plate; a guide angle, which is disposed on the housing in an upwardly-reversed manner, is located on a conveying path along which the conveyor belt extends, and when the guide angle is reversed upwardly, a tip end of the guide angle protrudes upwardly and blocks a moving path of the film transferred by the conveyor belt, and at this time, the guide angle guides the film downwardly so that the film is sorted out of the conveyor belt; the film sorting mechanism can solve the problem of secondary damage of the film in the process of sorting and conveying the film.

Description

Film sorting mechanism and sorting system with same

Technical Field

The utility model relates to the technical field of film sorting, in particular to a film sorting mechanism and a sorting system with the same.

Background

In the production process of the medical film, the film has dead spots due to defects of a substrate, dust adsorption during coating, coating defects and the like. At the position of a dead pixel on the film, the image cannot be displayed, and the image effect does not meet the requirement, so that after the film is cut, screening is generally required, and unqualified films are removed.

In the prior art, after a film is generally cut, the film is conveyed and screened through a conveying belt, and unqualified products are removed.

However, in the process of conveying and sorting the film, the conveying belt is in direct contact with the developing area of the film, so that the film is easily scratched in the conveying process, and the film is damaged secondarily.

SUMMERY OF THE UTILITY MODEL

Therefore, the technical problem to be solved by the present invention is to overcome the defect that the film sorting mechanism in the prior art is easy to cause secondary damage to the film during the process of conveying and sorting the film, so as to provide a film sorting mechanism and a sorting system having the same.

In order to solve the above technical problem, the present invention provides a film sorting mechanism, comprising:

the conveying belt conveyor comprises a shell, wherein a plurality of conveying belts are arranged on the upper surface of the shell in parallel at intervals, and a first driving device for driving the conveying belts to move is arranged in the shell;

the supporting plate is arranged on the shell and is arranged below the conveying belt in parallel, and a plurality of vent holes are formed in the supporting plate;

and the guide angle is arranged on the shell in an upward-overturning manner, is positioned on a conveying path extending from the conveying belt, and when the guide angle overturns upwards, the tip end of the guide angle extends upwards and blocks the moving path of the film moved by the conveying belt, and at the moment, the guide angle guides the film downwards so that the film is sorted out of the conveying belt.

Optionally, the vent holes on the supporting plate are at least arranged at the interval between two adjacent conveyor belts.

Optionally, be equipped with in the casing and be used for carrying out the first tight device that rises of tensioning the conveyer belt, first tight device that rises includes: the conveying belt comprises a mounting frame, a main shaft and a plurality of carrier rollers arranged on the main shaft, wherein the carrier rollers are used for abutting against the conveying belt;

the mounting frame is provided with a mounting hole for arranging the main shaft, the mounting hole is a strip-shaped hole, and a compression spring for abutting against the main shaft is arranged in the strip-shaped hole;

the main shaft is rotatably arranged in the mounting hole of the mounting frame, and the main shaft can move up and down in the mounting hole through a compression spring.

Optionally, the first driving device is a motor, and the motor is connected with the driving roller of the conveying belt through a synchronous belt.

Optionally, still be provided with the second and rise tight device in the casing, the second rises and tightly installs and includes: a compression roller and a rotating frame; the compression roller is rotatably connected to the shell through the rotating frame, a torsion spring is further arranged on a rotating shaft of the rotating frame, the compression roller is abutted to the synchronous belt through the elastic force of the torsion spring, and therefore the tension of the synchronous belt is kept.

Optionally, a second driving device is arranged in the housing, and the second driving device is used for driving the guide angle to turn over; the second driving device adopts an electromagnetic mechanism, the driving end of the second driving device is connected with the guide angle through a connecting rod, the connecting rod is rotatably connected to the shell through a rotating shaft, and a bearing connected with the connecting rod is arranged on the rotating shaft.

Optionally, the method further comprises: the supporting frame is of a frame structure, a plurality of shells are arranged above the supporting frame in parallel, and a waste film collecting box is arranged below the supporting frame and is used for carrying films sorted from the conveying belt.

The utility model provides a sorting system, comprising:

the film reel is used for arranging a large roll of film to be cut;

the cutting mechanism is arranged at the downstream of the film reel and used for receiving the film on the film reel and cutting the film;

the scanning mechanism is arranged between the film reel and the cutting mechanism and is provided with a plurality of industrial cameras for scanning the film to be cut, and the industrial cameras are sequentially arranged at intervals along the width direction of the film;

the film sorting mechanism in any one of the above schemes is arranged at the downstream of the cutting mechanism and is provided with a plurality of film sorting mechanisms corresponding to the number of the cut films in the transverse direction, and unqualified films are sorted into the waste film collecting boxes through the film sorting mechanisms.

Optionally, the cutting mechanism comprises a plurality of longitudinal hobs arranged at intervals and a transverse cutter arranged transversely.

Optionally, the scanning mechanism includes a beam that spans over a moving path of the film, the industrial camera is disposed on the beam, and both ends of the beam are detachably connected to the cutting mechanism.

The technical scheme of the utility model has the following advantages:

1. according to the film sorting mechanism provided by the utility model, the guide angle capable of being turned upwards is arranged on the shell, and when waste films need to be sorted, the guide angle is controlled to be turned upwards, so that the corresponding waste films can be removed from the moving path of the conveying belt, and the waste films are automatically removed; in addition, the film sorting mechanism can improve the problem of secondary damage of the film in the process of sorting and conveying the film, particularly, a plurality of conveying belts are arranged on the upper surface of the shell at intervals in parallel, and the developing area of the film can be arranged at the interval between two adjacent conveying belts in the process of conveying the film, so that the conveying belts are prevented from being in direct contact with the developing area of the film; and still be provided with a plurality of air vents on the layer board that sets up in the below of conveyer belt, can be used for ventilating the heat dissipation to the film and the conveyer belt of carrying the film through this air vent to avoid the heat of conveyer belt to produce the damage to the film.

2. According to the sorting system provided by the utility model, the film is integrally detected by the scanning mechanism before being cut, so that the structure of the scanning mechanism is simpler, the film is rapidly detected, the structure of the whole system is simple, and the cost is reduced.

3. According to the sorting system provided by the utility model, the industrial cameras of the scanning mechanism are arranged on the cross beam above the moving path of the film, and the cross beam is convenient for the sequential interval arrangement of the industrial cameras, so that the image capturing range of the industrial cameras can completely cover the whole film in the transverse direction, and the detection of the defective points of the film is accurately and quickly carried out.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a front view of a sorting system.

Fig. 2 is a flow chart of the system of fig. 1.

Fig. 3 is a perspective view of the scanning mechanism of fig. 1.

Fig. 4 is a perspective view of the film sorter mechanism of fig. 1.

Fig. 5 is a perspective view of a set of film sorting mechanisms of the film sorting mechanism of fig. 4.

Fig. 6 is a front view of the internal structure of the film sorting mechanism of fig. 5.

Fig. 7 is a schematic view of the film sorter mechanism of fig. 6 after the guide angle has been rotated upward.

Fig. 8 is a perspective view of a region of a device for driving a conveyor belt in a film sorting mechanism.

Fig. 9 is an exploded view of the first tensioning device of the motor of fig. 8.

Fig. 10 is a perspective view of the area of the means for tensioning the conveyor belt in the film sortation mechanism.

Fig. 11 is an exploded view of the second tensioning device of the conveyor belt of fig. 10.

FIG. 12 is a schematic diagram of the determination of the location of a dead spot by a computer when a dead spot is detected on the film.

Fig. 13 is a schematic diagram of a computer for determining a location of a defect point on a film when the defect point is detected to be located at a specific location.

Description of reference numerals:

1. a film reel; 2. a scanning mechanism; 3. a cutting mechanism; 4. a film sorting mechanism; 11. large rolls of film; 21. an industrial camera; 22. a cross beam; 31. a delivery shaft; 32. a guide roller; 33. longitudinal hobbing cutters; 34. a transverse cutter; 42. a scrap collecting box; 411. a housing; 412. a conveyor belt; 413. a support plate; 414. a vent hole; 415. a guide angle; 416. an electromagnetic mechanism; 417. a connecting rod; 418. a first tensioning device; 419. a carrier roller; 420. a mounting frame; 421. a strip-shaped hole; 422. a motor; 423. a synchronous belt; 424. a second tensioning device; 425. a rotating frame; 426. and (4) pressing the rolls.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

The embodiment provides a sorting system's embodiment, as shown in fig. 1, including film spool 1, scanning mechanism 2 that set gradually, cut mechanism 3 and film sorting mechanism 4, be used for setting up the big roll of film 11 of treating to cut on the film spool 1, cut mechanism 3 and set up the low reaches at film spool 1, the big roll of film 11 on the film spool 1 stretches out the back and is connected with cutting mechanism 3, through it is right to cut mechanism 3 the film cuts. The cutting mechanism 3 is provided with a conveying shaft 31, the film is conveyed by the rotation of the conveying shaft 31, and the conveying shaft 31 conveys the film by two rotating wheels which are vertically matched at intervals.

As shown in fig. 2, the scanning mechanism 2 is controlled by a computer (PC) having a display module on the computer for displaying the number of cut films, and the number of waste films and the number of good films therein. The film sorting mechanism 4 is controlled by a controller (PLC), the controller is in signal connection with the scanning mechanism 2, after the controller receives signals of the scanning mechanism 2, the controller processes the signals to calculate which film corresponding to the corresponding film sorting mechanism 4 has a defect, then the controller controls the film sorting mechanism 4 to act to sort waste films into the waste film collecting box 42, and qualified films are conveyed to the film collecting module.

As shown in fig. 1, the cutting mechanism 3 is provided with a guide roller 32, and the guide roller 32 is used for connecting the film and changing the conveying path of the film, thereby facilitating the cutting of the film. It still is provided with vertical hobbing cutter 33 on the mechanism 3 to cut, vertical hobbing cutter 33 has a plurality of that the interval set up, is used for vertically cutting the film through vertical hobbing cutter 33. The cutting mechanism 3 is further provided with a transverse cutter 34, and the transverse cutter 34 is transversely arranged and used for transversely cutting the film. In addition, since the scanning mechanism 2 is also provided in the cutting mechanism 3, the guide roller 32 changes the moving path of the film, so that the scanning mechanism 2 can easily scan the film. The cutting mechanism 3 can be used for cutting the large roll of film 11 into a plurality of small pieces of film through the arrangement of the longitudinal hob 33 and the transverse cutter 34, wherein the small pieces of film are of the specifications of 14in × 17in, 11in × 14in, 10in × 11in, 8in × 10in and the like commonly used, and in is short for inches.

As shown in fig. 1 and 3, the scanning mechanism 2 is disposed between the film reel 1 and the cutting mechanism 3, the scanning mechanism 2 has an industrial camera 21 for scanning a film to be cut, the resolution of the industrial camera 21 reaches 600dpi (dpi is a pixel per inch, that is, scanning precision), and it is capable of identifying a defect more than 45um on the film, the industrial camera 21 is disposed in a plurality at intervals in sequence along the width direction of the film, and in the process of conveying the film, the industrial camera 21 can detect the film in the transverse direction at one time. Specifically, the scanning mechanism 2 includes: the film cutting device comprises a cross beam 22 stretching over the moving path of the film, wherein two ends of the cross beam 22 are detachably connected to a shell of a cutting mechanism 3, a plurality of industrial cameras 21 are arranged on the cross beam 22, the moving film below is imaged by the industrial cameras 21, and then whether the film has a dead spot or not is judged through image processing of a computer. When a defective pixel is found on the moving film, it is calculated by a computer exactly which cut film the defective pixel will be on based on the state of the transverse cutter 34 and the position of the defective pixel in the transverse direction, and then an instruction is sent to operate the corresponding film sorting mechanism 4 to sort the defective pixel film into the waste collection box 42.

As shown in fig. 1 and 4, the film sorting mechanism 4 is provided downstream of the cutting mechanism 3, and the film sorting mechanism 4 has a plurality of film sorting mechanisms in the transverse direction, by which the film sorting mechanism 4 sorts the defective film into the waste collection box 42. Specifically, the film sorting mechanism 4 includes: a housing 411 disposed below the film moving path, a belt conveyor 412 is disposed on the upper surface of the housing 411, and the belt conveyor 412 is driven by a motor 422 to rotate, and the qualified film is transferred toward the film take-up module by the belt conveyor 412. Specifically, a plurality of the conveyor belts 412 are arranged on the upper surface of the housing 411 at intervals in parallel, and in the process of conveying the film, the developing area of the film can be arranged at the interval between two adjacent conveyor belts, so that the conveyor belts are prevented from being in direct contact with the developing area of the film; and, be provided with the layer board 413 below the conveyer belt, still be provided with a plurality of air vents 414 on layer board 413, can be used for ventilating the heat dissipation to the film and the conveyer belt that transports the film through this air vent 414 to avoid the heat of conveyer belt to produce the damage to the film. In a preferred embodiment, the air holes 414 of the supporting plate 413 are disposed at least at the interval between two adjacent conveyor belts 412, so that the film can be directly cooled through the air holes 414.

As shown in fig. 5, the film sorting mechanism 4 is provided with a guide angle 415 that can be turned upward at the front end of the conveyor belt 412, and the defective film is removed by the guide angle 415. Specifically, a guide corner 415 is disposed on the housing 411 in an upward-reversed manner, the guide corner 415 is located on a conveying path along which the conveyor belt 412 extends, and when the guide corner 415 is reversed upward, a tip of the guide corner 415 protrudes upward and blocks a moving path of the film moved by the conveyor belt 412, and at this time, the guide corner 415 guides the film downward so that the film is sorted out of the conveyor belt 412.

As shown in fig. 6, the guide angle 415 in this position allows acceptable film to pass through.

With the guide angle 415 in this position, the rejected film can be guided down to the scrap bin 42, as shown in fig. 7.

As shown in fig. 5-7, when the guide angle 415 is flipped up, the tip of the guide angle 415 is blocked up on the moving path of the film, thereby guiding the passing film down to be transported down to the waste bin 42. The guide angle 415 is connected to a second drive device, which may be an electromagnetic mechanism 416, via a connecting rod 417, and which drives the reversal of the guide angle 415. The link 417 is rotatably connected to the housing 411 through a rotating shaft, and a bearing is disposed on the rotating shaft, so that the link 417 can rotate more easily by the contact between the bearing and the link 417. The front end of the electromagnetic mechanism 416 is provided with a return spring, the return spring has a state that an iron core of the electromagnetic mechanism 416 is kept extending forwards, after the electromagnetic mechanism 416 is electrified, the electromagnetic mechanism 416 generates magnetic force to enable the iron core to retract into the electromagnetic mechanism 416, then the electromagnetic mechanism 417 is driven to rotate, the connecting rod 417 drives the guide angle 415 to turn upwards, the tip of the guide angle 415 is enabled to extend upwards out of a moving path of the film, and therefore the passing film with the dead pixel is guided downwards and conveyed to the waste film collecting box 42; when the electromagnetic mechanism 416 is powered off, the iron core on the electromagnetic mechanism 416 extends forwards under the action of the return spring, and then the connecting rod 417 is driven to rotate, and the connecting rod 417 drives the guide angle 415 to turn downwards, so that the tip of the guide angle 415 is laid downwards and qualified film is allowed to pass through.

As shown in fig. 8, in a housing 411 of the film sorting mechanism 4, a motor 422 drives a conveyor belt 412 to rotate through a timing belt 423, and a second tensioning device 424 is further disposed in the housing 411 for maintaining the tension of the timing belt 423.

As shown in fig. 9, the second tensioning device 424 includes a pressing roller 426, the pressing roller 426 is rotatably connected to the housing 411 by a rotating frame 425, a torsion spring is further provided on the rotating shaft of the rotating frame 425, and the pressing roller 426 is held in contact with the timing belt 423 by an elastic force of the torsion spring, so as to maintain the tension of the timing belt 423.

As shown in fig. 10, a first tensioning device 418 is further disposed below the conveyor belt 412 of the film sorting mechanism 4, and the first tensioning device 418 is used for keeping the conveyor belt 412 tensioned, so as to further facilitate the transportation of the qualified film.

As shown in fig. 11, the first tensioning device 418 includes a plurality of rollers 419 disposed on the main shaft, the belt above is supported by the rollers 419, the main shaft is rotatably disposed on a mounting bracket 420 below, a strip-shaped hole 421 extending in the up-down direction is disposed in the mounting bracket 420, and a compression spring is disposed below the strip-shaped hole 421, and the main shaft can move up and down in the strip-shaped hole 421 by the compression spring, so that the rollers 419 apply different supporting forces to the belt 412 to ensure tensioning of the belt 412.

As shown in fig. 12, when the industrial camera 21 detects that there is a dead spot on the film during normal film conveyance, image processing is performed by the computer and calculation is performed to determine on which of the small cut films the dead spot will be located, and the cut film is removed by the film sorting mechanism 4 when it moves to the film sorting mechanism 4.

As shown in fig. 13, when the industrial camera 21 detects that a defective spot exists on a film and the computer determines that the defective spot is located between two films, it is necessary to remove all of the two films, and when the two films are moved to the film sorting mechanism 4, it is sufficient to remove the two films by the film sorting mechanism 4.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are intended to be within the scope of the utility model.

Claims

1. A film sorting mechanism, comprising:

the conveying belt conveyor comprises a shell (411), wherein a plurality of conveying belts (412) are arranged on the upper surface of the shell in parallel at intervals, and a first driving device for driving the conveying belts (412) to move is arranged in the shell;

the supporting plate (413) is arranged on the shell (411) and is arranged below the conveyor belt (412) in parallel, and a plurality of vent holes (414) are formed in the supporting plate (413);

a guide angle (415) disposed on the housing (411) to be capable of being flipped upward, the guide angle (415) being located on a transport path along which the transport belt (412) extends, when the guide angle (415) is flipped upward, a tip of the guide angle (415) protrudes upward and blocks a moving path of the film moved by the transport belt (412), and at this time, the guide angle (415) guides the film downward so that the film is sorted out of the transport belt (412).

2. The film sorter mechanism of claim 1 wherein the vents (414) in the trays (413) are disposed at least at the spacing between adjacent conveyor belts (412).

3. The film sorter mechanism of claim 1 wherein a first tensioner (418) is disposed within the housing for tensioning the conveyor belt (412), the first tensioner (418) comprising: the conveying device comprises a mounting frame (420), a main shaft and a plurality of carrier rollers (419) arranged on the main shaft, wherein the carrier rollers (419) are used for abutting against the conveying belt (412);

the mounting rack (420) is provided with a mounting hole for arranging the main shaft, the mounting hole is a strip-shaped hole (421), and a compression spring for abutting against the main shaft is arranged in the strip-shaped hole (421);

the main shaft is rotatably arranged in a mounting hole of the mounting frame (420), and the main shaft can move up and down in the mounting hole through a compression spring.

4. The film sorting mechanism of claim 1 wherein the first drive means is a motor connected to a drive roller of the conveyor belt (412) through a timing belt (423).

5. The film sorter mechanism as claimed in claim 4 wherein a second tensioner (424) is further disposed within the housing (411), the second tensioner (424) comprising: a press roll (426) and a turret (425); the pressing roller (426) is rotatably connected to the shell (411) through a rotating frame (425), a torsion spring is further arranged on a rotating shaft of the rotating frame (425), and the pressing roller (426) is kept to abut against the synchronous belt (423) through the elastic force of the torsion spring, so that the tension of the synchronous belt (423) is kept.

6. The film sorter according to claim 1 wherein a second drive is provided in the housing (411) for driving the guide angle (415) to be reversed; the second driving device adopts an electromagnetic mechanism (416), the driving end of the second driving device is connected with the guide angle (415) through a connecting rod (417), the connecting rod (417) is rotatably connected to the shell (411) through a rotating shaft, and the rotating shaft is provided with a bearing connected with the connecting rod (417).

7. The film sorting mechanism of any of claims 1-6, further comprising: the supporting frame is of a frame structure, a plurality of shells (411) are arranged above the supporting frame in parallel, a waste film collecting box (42) is arranged below the supporting frame, and the waste film collecting box (42) is used for receiving the films sorted from the conveyor belt (412).

8. A sorting system, comprising:

the film reel (1) is used for arranging a large roll of film (11) to be cut;

the cutting mechanism (3) is arranged at the downstream of the film reel (1) and is used for receiving the film on the film reel (1) and cutting the film;

the scanning mechanism (2) is arranged between the film reel (1) and the cutting mechanism (3), and is provided with an industrial camera (21) for scanning a film to be cut, and a plurality of industrial cameras (21) are sequentially arranged at intervals along the width direction of the film;

the film sorting mechanism (4) of any one of claims 1 to 7, disposed downstream of the cutting mechanism (3), having a number of film sorting mechanisms (4) corresponding to the number of cut films in the transverse direction, by which film sorting mechanisms (4) the defective films are sorted into the waste bin (42).

9. Sorting system according to claim 8, characterised in that the cutting means (3) comprise several longitudinal roller cutters (33) arranged at intervals and transverse cutters (34) arranged transversely.

10. Sorting system according to claim 8, characterised in that the scanning mechanism (2) comprises a cross beam (22) spanning over the path of movement of the film, the industrial camera (21) being arranged on the cross beam (22), the cross beam (22) being detachably connected at both ends to the cutting mechanism (3).