CN216376829U

CN216376829U - Automatic data plate coil stock defect detection equipment

Info

Publication number: CN216376829U
Application number: CN202122617267.3U
Authority: CN
Inventors: 黄红雨
Original assignee: Guangzhou Daqi Electromechanical Technology Co ltd
Current assignee: Guangzhou Daqi Electromechanical Technology Co ltd
Priority date: 2021-10-28
Filing date: 2021-10-28
Publication date: 2022-04-26
Anticipated expiration: 2031-10-28

Abstract

An automatic device for detecting the defect of a nameplate roll material comprises a rack and a roll material detection device arranged on the rack, wherein the roll material detection device comprises an unwinding mechanism, a visual detection system, a winding mechanism and a roll material transmission mechanism, the roll material transmission mechanism is arranged between the unwinding mechanism and the winding mechanism and is used for transmitting an unwound nameplate, the roll material transmission mechanism comprises a plurality of guide rollers and tension rollers, the nameplate is wound on the guide rollers and the tension rollers to form a horizontal conveying section, the visual detection system comprises a camera and a control system, the camera is arranged above the horizontal conveying section of the nameplate and takes a picture from the upper side of the nameplate, and the control system judges whether the nameplate is qualified or not; the compression roller can also be connected with a pressing force adjusting assembly. The utility model can realize full automation of detection of labels and the like, and the arrangement of the compression roller, the tensioning assembly, the camera light source and the like further ensures the reliability of visual detection.

Description

Automatic data plate coil stock defect detection equipment

Technical Field

The utility model relates to the technical field of automatic detection equipment, in particular to automatic equipment for detecting defects of nameplate coil stock.

Background

The label products, such as labels, labels and nameplates, are often printed into coil materials for use, and the label products also need to be subjected to defect inspection to check whether characters and patterns are correct, whether printing is defective (whether ink is lacking) and the like. With the increasing automation of manufacturing, there is a need for devices and means for automated detection.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide automatic equipment capable of realizing full-automatic nameplate roll material defect detection.

The utility model is realized by the following technical scheme:

the utility model provides an automatic equipment of data plate coil stock defect detection, includes the frame and sets up the coil stock detection device in the frame, coil stock detection device includes unwinding mechanism, visual inspection system, winding mechanism and coil stock transmission device, unwinding mechanism is used for the installation of coil stock and unreels, winding mechanism is used for the rolling of coil stock, unwinding mechanism and winding mechanism are connected with drive assembly to the drive unreels and the rolling.

The coil conveying mechanism is arranged between the unwinding mechanism and the winding mechanism and used for conveying an unwound nameplate, the coil conveying mechanism comprises a plurality of guide rollers and tensioning rollers, the nameplate is wound on the guide rollers and the tensioning rollers to form a horizontal conveying section, and a pressing plate used for flattening the nameplate to facilitate photographing is arranged at the horizontal conveying section; the visual detection system comprises a camera and a control system, the camera is arranged above the nameplate horizontal conveying section and takes pictures from the upper side of the nameplate, the camera is connected with the control system and transmits the pictures to the control system, and the control system judges whether the nameplate is qualified or not. After the nameplate is unreeled by the unreeling mechanism, when the nameplate is transmitted to the horizontal conveying section through the coil stock transmission mechanism, the visual detection system shoots, and the coil stock is reeled by the reeling mechanism.

Further, the horizontal transportation section is formed in the middle of two guide rolls, and the top of two guide rolls all is provided with the compression roller of laminating mutually with it, and the data plate passes between the guide roll of laminating and the compression roller and is straight state to do benefit to the detection of shooing, avoid the fold influence of data plate in the transmission to shoot detection effect.

Furthermore, the compression roller is connected with a pressing force adjusting assembly, the pressing force adjusting assembly comprises a fixed plate, a movable rod, a spring and a mounting plate, the fixed plate is fixed on the rack, one end of the movable rod is fixed on the upper surface of the mounting plate, the other end of the movable rod penetrates through the fixed plate through a linear bearing and the like and can move up and down along the fixed plate, the spring is sleeved on the movable rod and limited between the fixed plate and the mounting plate, and the compression roller is mounted at the bottom of the mounting plate. The compression roller can be guaranteed to be pressed on the nameplate all the time under the action of gravity, and the pressing force can be kept within a certain range under the elastic action of the spring.

Furthermore, the pressing force adjusting assembly further comprises a connecting rod and a positioning sleeve, one end of the connecting rod is fixedly connected to the upper surface of the mounting plate, the other end of the connecting rod penetrates through the fixing plate and can move up and down along the fixing plate, and the top end of the connecting rod is further connected with a handle; the locating sleeve is fixed establish on the upper surface of fixed plate and the cover outside the connecting rod, be provided with upper end open-ended draw-in groove on the locating sleeve, be provided with on the connecting rod with the card post of draw-in groove looks adaptation, the connecting rod passes behind the locating sleeve, the card post just falls into in the draw-in groove.

Furthermore, the unwinding mechanism comprises an unwinding shaft and an unwinding mounting fixture, a material tray provided with a nameplate is mounted on the unwinding shaft through the unwinding mounting fixture, and the unwinding mounting fixture is used for fixing the material tray; the winding mechanism comprises a winding shaft and a winding mounting fixture, and a winding disc is mounted on the winding shaft through the winding mounting fixture. The driving part can comprise a motor and a belt, and the motor is in driving connection with the winding shaft and the unwinding shaft respectively through the belt so as to drive the winding shaft and the unwinding shaft to rotate.

Further, unreel sectional fixture and rolling sectional fixture have the same structure, all include first compress tightly the dish, the second compresses tightly the dish and locking bolt, first compress tightly the dish to be fixed unreel epaxially or the rolling is epaxial, the second compresses tightly the dish demountable installation in unreeling epaxially or rolling and compress tightly the charging tray between first compress tightly dish and second compress tightly the dish, the second compresses tightly the dish through setting up at its ascending locking bolt of axial and locking unreel epaxially or the rolling.

Furthermore, a sensor is arranged at the front end of the horizontal conveying section and used for sensing whether the material is in place or not, and if the nameplate material is in place, a camera is triggered to carry out photographing detection.

Further, the visual inspection system also comprises a light source, wherein the light source is arranged at the front end of the camera so as to ensure the photographing quality.

Furthermore, the coil stock detection devices are provided with two sets and are respectively and independently arranged on the rack from top to bottom, and the two sets of detection devices can simultaneously and independently operate, so that the detection efficiency is improved.

Furthermore, the rack is also provided with an outer frame and a protection sealing plate for protecting the automatic equipment. The rack is also provided with an electric box and an operation box.

The automatic nameplate coil stock defect detection equipment comprises the following working procedures:

1. install the data plate coil stock on unreeling the axle, manually pull the data plate and pass coil stock transmission device and winding mechanism in proper order, the elasticity of adjustment compression roller makes the data plate of horizontal transport section under the camera level and smooth.

2. After a start button is pressed down, the motor drives the square winding shaft and the winding shaft to rotate through the belt, and the nameplate is wound on the guide roller and the tensioning roller on the coil stock conveying mechanism to move towards the winding mechanism.

3. When the nameplate reaches the horizontal conveying section below the camera, the sensor senses that the nameplate reaches the detection position, the camera takes a picture, the visual system compares the taken picture with a stored standard picture, and whether characters are correct or not and whether printing defects exist or not are judged; if the product is judged to be a defective product, the machine is stopped to alarm, and whether the product is taken out is manually confirmed.

4. And after the whole roll of material is moved and detected, stopping the equipment, and manually taking out the detected roll material from the winding shaft.

According to the utility model, the unwinding mechanism, the visual detection system, the winding mechanism and the coil material transmission mechanism are arranged, so that the coil material is photographed in the unwinding and conveying process for visual detection, the full automation of detection of labels and the like is realized, the reliability of the visual detection is further ensured by the arrangement of the compression roller, the tensioning assembly, the camera light source and the like, and the visual detection device is suitable for detection of coil material products such as labels, nameplates and the like.

Drawings

Fig. 1 is a schematic overall front structure diagram of an embodiment of the present invention.

Fig. 2 is a schematic front structural view of a roll material detection device in an embodiment of the present invention.

Fig. 3 is a schematic perspective view of a roll material detecting device according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a winding mechanism in the embodiment of the utility model.

FIG. 5 is a schematic diagram of a hold-down force adjustment assembly in an embodiment of the present invention.

Fig. 6 is a schematic front view of a pressing force adjusting assembly according to an embodiment of the present invention.

Reference numerals: 1-an unwinding mechanism; 2-a winding mechanism; 3-coil conveying mechanism; 4-a visual inspection system; 5, pressing a plate; 6-a sensor; 11-unwinding the shaft; 12-unwinding mounting fixture; 21-a winding shaft; 22-rolling and installing the clamp; 221-a first compaction disk; 222-a second compaction disk; 223-locking bolt; 31-a tension roller; 32-a guide roll; 33-a horizontal conveying section; 34-a press roll; 35-a pressing force adjusting assembly; 351-a fixed plate; 352-a mounting plate; 353, a movable rod; 354-a spring; 355-a connecting rod; 3551-cartridge; 356-positioning sleeve; 3561-card slot; 357-a handle; 41-camera; 42-a light source; 100-coil stock detection device; 200-a frame; 201-outer frame; 202-an electric box; 203-operation box.

Detailed Description

The utility model provides an automatic equipment of data plate coil stock defect detection, as shown in fig. 1, including frame 200 and coil stock detection device 100 of setting in frame 200, as shown in fig. 2, fig. 3, coil stock detection device 100 includes unwinding mechanism 1, visual detection system 4, winding mechanism 2 and coil stock transmission device 3, unwinding mechanism 1 is used for the installation of coil stock and unreels, winding mechanism 2 is used for the rolling of coil stock, unwinding mechanism 1 and winding mechanism 2 are connected with drive assembly to drive unwinding mechanism 1 and winding mechanism 2 unreel and the rolling. In this embodiment, the coil stock detection device 100 has two sets which are independently arranged up and down, and the two sets of coil stock detection devices 100 can independently operate at the same time, and detect two coil stocks simultaneously, thereby improving the detection efficiency.

The coil conveying mechanism 3 is arranged between the unwinding mechanism 1 and the winding mechanism 2 and used for conveying an unwound nameplate, the coil conveying mechanism 3 comprises a plurality of guide rollers 32 and a plurality of tensioning rollers 31, the nameplate is wound on the guide rollers 32 and the tensioning rollers 31 to form a horizontal conveying section 33, and a pressing plate 5 used for flattening the nameplate to facilitate photographing is arranged at the horizontal conveying section 33; the vision detection system 4 comprises a light source 42, a camera 41 and a control system, wherein the camera 41 is arranged above the nameplate horizontal conveying section 33 and takes pictures from the upper side of the nameplate, the light source 42 is arranged at the front end of the camera 41, the camera 41 is connected with the control system and transmits the taken pictures to the control system, and the control system judges whether the nameplate is qualified or not. After the nameplate is unreeled by the unreeling mechanism 1, when the nameplate is transmitted to the horizontal conveying section 33 through the coil stock transmission mechanism 3, the vision detection system 4 shoots, and the coil stock is reeled by the reeling mechanism 2.

In this embodiment, the front end of the horizontal conveying section 33 is provided with a sensor 6 for sensing whether the material is in place, and if the nameplate material is in place, the camera 41 is triggered to perform photographing detection.

As one embodiment, the unwinding mechanism 1 includes an unwinding shaft 11 and an unwinding mounting fixture 12, a tray with a nameplate is mounted on the unwinding shaft 11 through the unwinding mounting fixture 12, and the unwinding mounting fixture 12 is used for fixing the tray; the winding mechanism 2 comprises a winding shaft 21 and a winding mounting fixture 22, and a winding disc is mounted on the winding shaft 21 through the winding mounting fixture 22. The driving part may include a motor and a belt, and the motor is respectively in driving connection with the winding shaft 21 and the unwinding shaft 11 through the belt to drive the winding shaft 21 and the unwinding shaft 11 to rotate.

As one embodiment, as shown in fig. 4, the unwinding installation jig 12 and the winding installation jig 22 have the same structure and each include a first pressing plate 221, a second pressing plate 222 and a locking bolt 223, taking the winding installation jig 22 as an example, the first pressing plate 221 is fixed on the winding shaft 21, the second pressing plate 222 is detachably installed on the winding shaft 21 and presses the winding plate between the first pressing plate 221 and the second pressing plate 222, and the second pressing plate 222 is locked on the winding shaft 21 by the locking bolt 223 arranged in the axial direction thereof.

In this embodiment, as shown in fig. 2, the horizontal conveying section 33 is formed between two guide rollers 32, the pressing rollers 34 attached to the two guide rollers 32 are disposed above the two guide rollers 32, and the nameplate passes between the attached guide rollers 32 and the pressing rollers 34 and is in a straight state, so as to facilitate the photographing detection and avoid the influence of the wrinkles of the nameplate in the transmission on the photographing detection effect.

In this embodiment, as shown in fig. 2 and 3, the pressing force adjusting assembly 35 is connected to the pressing roller 34, as shown in fig. 5 and 6, the pressing force adjusting assembly 35 includes a fixed plate 351, a movable rod 353, a spring 354 and a mounting plate 352, the fixed plate 351 is fixed on the frame 200, one end of the movable rod 353 is fixed on the upper surface of the mounting plate 352, the other end of the movable rod 353 is inserted into the fixed plate 351 through a linear bearing and can move up and down along the fixed plate 351, the spring 354 is sleeved on the movable rod 353 and is limited between the fixed plate 351 and the mounting plate 352, and the pressing roller 34 is mounted on the mounting plate 352. Gravity ensures that the pressure roller 34 can always press on the nameplate, and the elastic action of the spring 354 can keep the pressing force within a certain range.

As shown in fig. 5, the pressing force adjusting assembly 35 further includes a connecting rod 355 and a positioning sleeve 356, wherein one end of the connecting rod 355 is fixedly connected to the upper surface of the mounting plate 352, the other end of the connecting rod 355 penetrates through the fixing plate 351 and can move up and down along the fixing plate 351, and a handle 357 is further connected to the top end of the connecting rod 355; the positioning sleeve 356 is fixed on the upper surface of the fixing plate 351 and sleeved outside the connecting rod 355, a clamping groove 3561 with an open upper end is arranged on the positioning sleeve 356, a clamping column 3551 matched with the clamping groove 3561 is arranged on the connecting rod 355, and after the connecting rod 355 penetrates through the positioning sleeve 356, the clamping column 3551 just falls into the clamping groove 3561.

In this embodiment, as shown in fig. 1, the rack 200 is further provided with an outer frame 201, a protection sealing plate, an electrical box 202 and an operation box 203, the protection sealing plate is used for protecting the automatic device, a power supply system is arranged in the electrical box 202, a self-touch screen is arranged on the operation box 203, and a control device is installed in the operation box 203.

1. install the data plate coil stock on unreeling the axle 11, manually pull the data plate and pass coil stock transmission device 3 and winding mechanism 2 in proper order, the elasticity of adjustment compression roller 34 makes the data plate of horizontal transport section 33 under the camera 41 level and smooth.

2. After the start button is pressed down, the motor drives the square winding shaft and the winding shaft 21 to rotate through the belt, and the nameplate is wound on the guide roller 32 and the tensioning roller 31 on the coil stock transmission mechanism 3 to move towards the winding mechanism 2.

3. When the nameplate reaches the horizontal conveying section 33 below the camera 41 and the sensor 6 senses that the nameplate reaches the detection position, the camera 41 takes a picture, the visual system compares the taken picture with a stored standard picture, and whether characters are correct or not and whether a printing defect exists or not is judged; if the product is judged to be a defective product, the machine is stopped to alarm, and whether the product is taken out is manually confirmed.

4. After the whole roll of material is moved and detected, the equipment is stopped, and the roll material which is detected is manually taken out from the winding shaft 21.

The above detailed description is specific to possible embodiments of the present invention, and the embodiments are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the scope of the present invention are intended to be included within the scope of the present invention.

Claims

1. The automatic nameplate coil stock defect detection equipment is characterized by comprising a rack and a coil stock detection device arranged on the rack, wherein the coil stock detection device comprises an unwinding mechanism, a visual detection system, a winding mechanism and a coil stock transmission mechanism, the unwinding mechanism is used for mounting and unwinding coil stock, and the winding mechanism is used for winding the coil stock; the coil conveying mechanism is arranged between the unwinding mechanism and the winding mechanism and used for conveying an unwound nameplate, the coil conveying mechanism comprises a plurality of guide rollers and tensioning rollers, the nameplate is wound on the guide rollers and the tensioning rollers to form a horizontal conveying section, and a pressing plate used for flattening the nameplate is arranged at the horizontal conveying section; the vision detection system comprises a camera and a control system, wherein the camera is arranged above the horizontal conveying section and used for taking pictures from the top of the nameplate, and the camera is connected with the control system.

2. The automatic nameplate roll material defect detecting equipment of claim 1, wherein the horizontal conveying section is formed between two guide rollers, compression rollers attached to the two guide rollers are arranged above the two guide rollers, and the nameplate passes between the attached guide rollers and the compression rollers to be in a straight state, so that photographing detection is facilitated.

3. The automatic nameplate roll defect detection device of claim 2, wherein the compression roller is connected with a pressing force adjusting assembly, the pressing force adjusting assembly includes a fixed plate, a movable rod, a spring and a mounting plate, the fixed plate is fixed on the machine frame, one end of the movable rod is fixed on the upper surface of the mounting plate, the other end of the movable rod penetrates through the fixed plate and can move up and down along the fixed plate, the spring is sleeved on the movable rod and is limited between the fixed plate and the mounting plate, and the compression roller is mounted at the bottom of the mounting plate.

4. The automatic nameplate roll defect detection equipment of claim 3, wherein the pressing force adjusting assembly further includes a connecting rod and a positioning sleeve, one end of the connecting rod is fixed on the upper surface of the mounting plate, the other end of the connecting rod penetrates through the fixing plate and can move up and down along the fixing plate, and a handle is further connected to the top end of the connecting rod; the locating sleeve is fixed establish on the upper surface of fixed plate and the cover outside the connecting rod, be provided with upper end open-ended draw-in groove on the locating sleeve, be provided with on the connecting rod with the card post of draw-in groove looks adaptation, the connecting rod passes behind the locating sleeve, the card post just falls into in the draw-in groove.

5. The automatic nameplate coil stock defect detection apparatus of claim 1, wherein the unwinding mechanism includes an unwinding shaft and an unwinding mounting fixture, the nameplate-equipped tray being mounted on the unwinding shaft via the unwinding mounting fixture; the winding mechanism comprises a winding shaft and a winding mounting fixture, and a winding disc is mounted on the winding shaft through the winding mounting fixture.

6. The automatic nameplate coil defect detecting device of claim 5, wherein the unwinding mounting fixture includes a first pressing plate, a second pressing plate and a locking bolt, the first pressing plate is fixed on the unwinding shaft, the second pressing plate is detachably mounted on the unwinding shaft and presses the material tray between the first pressing plate and the second pressing plate, and the second pressing plate is locked on the unwinding shaft by the locking bolt arranged in an axial direction of the second pressing plate; the unreeling mounting fixture and the reeling mounting fixture have the same structure.

7. The automatic nameplate roll stock defect detection apparatus of claim 1, wherein the front end of the horizontal transport section is provided with a sensor for sensing whether the material is in place or not.

8. The automatic nameplate roll stock defect detection apparatus of claim 1, further including a light source disposed at a front end of the camera.

9. The automatic nameplate roll defect detection apparatus of claim 1, wherein the roll detection apparatus includes two sets, each set being independently disposed above and below the rack.

10. The automatic nameplate roll stock defect detection equipment as claimed in claim 1, wherein the rack is further provided with an outer frame and a protection sealing plate for protection of the automatic equipment; the rack is also provided with an electric box and an operation box.