阅读说明：本技术 一种放卷机构及品检机 (Unwinding mechanism and quality control machine ) 是由 林小博 刘璐 于 2019-12-05 设计创作，主要内容包括：本发明涉及印刷设备技术领域,公开了一种放卷机构及包括该放卷机构的品检机,该放卷机构包括：安装板、气涨轴、第一驱动机构及第二驱动机构,所述第二驱动机构用于安装于品检机的机架上连,所述第一驱动机构安装于所述安装板上,所述气涨轴连接于所述第二驱动机构的动力输出端,所述第一驱动机构能够带动所述气涨轴转动,所述安装板连接于所述第二驱动机构的动力输出端,所述第二驱动机构能够带动所述气涨轴上下往返运动。本发明的有益效果为：能够保证上料的安全性能,大幅度提高操作的便捷性,提高品检效率,特别适用于大面积标签的品检。(The invention relates to the technical field of printing equipment, and discloses an unwinding mechanism and a quality inspection machine comprising the same, wherein the unwinding mechanism comprises: the device comprises a mounting plate, an air expansion shaft, a first driving mechanism and a second driving mechanism, wherein the second driving mechanism is used for being mounted on a rack of a product inspection machine and connected with the rack, the first driving mechanism is mounted on the mounting plate, the air expansion shaft is connected with a power output end of the second driving mechanism, the first driving mechanism can drive the air expansion shaft to rotate, the mounting plate is connected with a power output end of the second driving mechanism, and the second driving mechanism can drive the air expansion shaft to reciprocate up and down. The invention has the beneficial effects that: the safety performance of material loading can be guaranteed, the convenience of operation is greatly improved, the quality control efficiency is improved, and the method is particularly suitable for quality control of large-area labels.)

1. The utility model provides an unwinding mechanism which characterized in that includes: a mounting plate, an air expansion shaft, a first driving mechanism and a second driving mechanism,

the second driving mechanism is used for being installed on a rack of the quality inspection machine, the first driving mechanism is installed on the installation plate, the air expansion shaft is connected to the power output end of the electric cylinder, the first driving mechanism can drive the air expansion shaft to rotate, the installation plate is connected to the power output end of the second driving mechanism, and the second driving mechanism can drive the air expansion shaft to reciprocate up and down.

2. The unwinding mechanism of claim 1 wherein the second drive mechanism is an electric cylinder.

3. The unwinding mechanism of claim 1 wherein a guide structure is coupled between the mounting plate and the frame for guiding the mounting plate.

4. The unwinding mechanism as claimed in claim 3, wherein the guiding structure includes a guide rail for mounting on the frame and a guide slot opening on the mounting plate and guiding in cooperation with the guide rail.

5. The unwinding mechanism of claim 4, wherein the frame further comprises a limiting structure for limiting the sliding travel of the mounting plate.

6. The unwinding mechanism as claimed in claim 5, wherein the limiting structure comprises two limiting stoppers, and the two limiting stoppers are respectively disposed above and below the guide rail.

7. The unwinding mechanism as claimed in claim 1, wherein the first driving mechanism includes a driving motor and a transmission mechanism, the driving motor is mounted on the mounting plate, and the driving motor is connected to the air-expansion shaft through the transmission mechanism.

8. The unwinding mechanism as claimed in claim 7, wherein the transmission mechanism includes a first sprocket, a second sprocket and a belt, the first sprocket is mounted on the power output end of the driving motor, the second sprocket is mounted on the air shaft, and the belt connects the first sprocket and the second sprocket.

9. A quality control machine comprising a frame and the unwinding mechanism of any of claims 1-8, wherein the second drive mechanism is mounted to the frame.

Technical Field

The invention relates to the technical field of printing equipment, in particular to an unwinding mechanism and a quality inspection machine comprising the same.

Background

The currently used quality inspection machines mainly have the following disadvantages:

1. the safety performance of manual feeding cannot be guaranteed, and the accident of smashing is easy to happen;

2. when the roll-type printed matter is too heavy, the roll-type printed matter cannot be lifted manually, a specific feeding vehicle is needed, and the operation is complicated.

Disclosure of Invention

The purpose of the invention is: the defects of the prior art are overcome, and the product inspection machine can automatically feed materials, so that the operation safety is improved, and the product inspection efficiency is improved.

In order to achieve the above object, a first aspect of the present invention provides an unwinding mechanism, including: a mounting plate, an air expansion shaft, a first driving mechanism and a second driving mechanism,

the second driving mechanism is used for being installed on a rack of the quality inspection machine, the first driving mechanism is installed on the installation plate, the air expansion shaft is connected to the power output end of the electric cylinder, the first driving mechanism can drive the air expansion shaft to rotate, the installation plate is connected to the power output end of the second driving mechanism, and the second driving mechanism can drive the air expansion shaft to reciprocate up and down.

Preferably, the second driving mechanism is an electric cylinder.

Preferably, a guide structure for guiding in a matched manner is connected between the mounting plate and the rack.

Preferably, the guide structure includes a guide rail for being mounted on the frame and a guide groove which is opened on the mounting plate and is matched with the guide rail for guiding.

Preferably, the rack is further provided with a limiting structure for limiting the sliding stroke of the mounting plate.

Preferably, the limiting structure comprises two limiting stoppers which are respectively arranged above and below the guide rail.

Preferably, the first driving mechanism comprises a driving motor and a transmission mechanism, the driving motor is mounted on the mounting plate, and the driving motor is connected with the air expansion shaft through the transmission mechanism.

Preferably, the transmission mechanism includes a first sprocket, a second sprocket and a transmission belt, the first sprocket is mounted on the power output end of the driving motor, the second sprocket is mounted on the air expansion shaft, and the transmission belt is connected with the first sprocket and the second sprocket.

In the same object, the second aspect of the present invention also provides a quality inspection machine, which includes the unwinding mechanism according to any one of the first aspects.

Compared with the prior art, the quality inspection machine provided by the embodiment of the invention has the beneficial effects that:

the unwinding mechanism of the product inspection machine comprises a second driving mechanism for driving the air expansion shaft to reciprocate up and down, and before operation, the second driving mechanism can drive the air expansion shaft to slide to the lower part, so that a roll label printed product can be conveniently installed outside the air expansion shaft in a sleeved mode, and then the second driving mechanism is started to drive the installation plate to slide upwards, so that the air expansion shaft installed on the installation plate ascends and slides to a target position; the safety performance of material loading can be guaranteed, the convenience of operation is greatly improved, the quality control efficiency is improved, and the method is particularly suitable for quality control of large-area labels.

Drawings

FIG. 1 is a schematic diagram of a product inspection machine according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an unwinding mechanism according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a traction mechanism of a quality inspection machine in an embodiment of the invention.

In the figure, 1, a frame; 11. a guide rail; 12. a limit stop block; 2. an unwinding mechanism; 21. a second drive mechanism; 22. mounting a plate; 221. a guide groove; 23. an air expansion shaft; 24. a first drive mechanism; 241. a drive motor; 242. a first sprocket; 243. a second sprocket; 3. a winding mechanism; 4. a detection mechanism; 5. a traction mechanism; 51. a traction roller; 52. a compression roller; 53. a cylinder; 54. A support; 6. an operating platform; 7. a slitting device; 8. a first deviation rectifier; 9. a second deviation rectifier; 10. a display; 20. a human-machine interface; 30. and (6) paper guide rollers.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, it should be understood that the terms "first", "second", etc. are used in the present invention to describe various information, but the information should not be limited to these terms, and these terms are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.

Note that "up" and "down" in the present embodiment refer to the orientation of the inspection machine in the use position.

As shown in fig. 1 to 3, an automatic lifting and lowering unreeling quality inspection machine according to a preferred embodiment of the present invention includes: the device comprises a rack 1, an unreeling mechanism 2 and a reeling mechanism 3, wherein the unreeling mechanism 2 and the reeling mechanism 3 are connected to the rack 1;

a paper feeding path is arranged between the unwinding mechanism 2 and the winding mechanism 3, a detection mechanism 4, a traction mechanism 5, an operation platform 6 and a slitting device 7 are sequentially arranged along the paper feeding direction of the paper feeding path, and the detection mechanism 4, the traction mechanism 5, the operation platform 6 and the slitting device 7 are all arranged on the rack 1;

the unwinding mechanism 2 comprises an installation plate 22, an air expansion shaft 23, a first driving mechanism 24 and a second driving mechanism 21, the second driving mechanism 21 is installed on the rack 1, the first driving mechanism 24 is installed on the installation plate 22, the air expansion shaft 23 is installed at a power output end of the first driving mechanism 24, the first driving mechanism 24 can drive the air expansion shaft 23 to rotate, the installation plate 22 is connected to a power output end of the electric cylinder, and the second driving mechanism 21 can drive the air expansion shaft 23 to reciprocate up and down.

In this embodiment, the frame 1 is provided with a plurality of paper guide rollers 30, and the label paper to be detected respectively bypasses each paper guide roller 30, and respectively passes through the detection mechanism 4, the traction mechanism 5, the operation platform 6 and the slitting device 7, and finally bypasses the winding mechanism 3.

Based on the technical scheme, before the product inspection machine operates, the inflatable shaft 23 slides to the lower position, so that the roll label paper is conveniently installed outside the inflatable shaft 23 in a sleeved mode, then the second driving mechanism 24 is started to drive the installation plate 22 to slide upwards, and the inflatable shaft 23 installed on the installation plate 22 slides upwards to the target position; the safety performance of material loading can be guaranteed, the convenience of operation is greatly improved, the quality control efficiency is improved, and the method is particularly suitable for quality control of large-area labels.

In addition, in this embodiment, the second driving mechanism 21 is an electric cylinder, the electric cylinder is installed on the frame 1, a power output end of the electric cylinder is connected to the mounting plate 22, and the mounting plate 22 and the air expansion shaft 23 thereon can be driven to reciprocate up and down by starting the electric cylinder.

In order to make the mounting plate 22 slide smoothly, a guide structure for guiding the mounting plate 22 and the frame 1 is connected therebetween.

Specifically, as shown in fig. 2, in this embodiment, the guide structure includes a guide rail 11 mounted on the frame 1 and a guide groove 221 opened on the mounting plate 22 and guiding the guide rail 11 in a matching manner, and the guide rail 11 is accommodated in the guide groove 221 so as to stably feed the roll label paper.

In general, the electric cylinder has an electronic limit structure capable of limiting the stroke thereof; however, in order to further prevent the guide rail 11 from slipping out of the guide groove 221 due to over travel during the sliding process, the rack is further provided with a mechanical limiting structure for limiting the sliding travel of the mounting plate 22, the mechanical limiting structure comprises two limiting stops, the two limiting stops are respectively positioned above and below the guide rail, and the mechanical limiting is performed between the limiting stops and the mounting plate.

As further shown in fig. 2, the first driving mechanism 24 includes a driving motor 241 and a transmission mechanism, the driving motor 241 is mounted on the mounting plate 22, the transmission mechanism includes a first chain wheel 242, a second chain wheel 243 and a transmission belt (not shown in the drawing), the first chain wheel 242 is mounted at the power output end of the driving motor 241, the second chain wheel 243 is mounted on the inflatable shaft 23, and the transmission belt connects the first chain wheel 242 and the second chain wheel 243; the driving motor 241 can drive the air expansion shaft 23 to rotate, so that the label paper generates tension, and the purpose of smooth paper feeding is achieved.

As shown in fig. 3, in this embodiment, the traction mechanism 5 includes a third driving mechanism, a fourth driving mechanism, a traction roller 51 and a pressing roller 52, the third driving mechanism and the fourth driving mechanism are both mounted on the frame 1, the traction roller 51 is mounted at a power output end of the third driving mechanism, the third driving mechanism can drive the traction roller 51 to rotate, the pressing roller 52 is mounted at a power output end of the fourth driving mechanism, the traction roller 51 and the pressing roller 52 are respectively disposed at two sides of the paper feeding path, and the fourth driving mechanism can drive the pressing roller 52 to press or separate the pressing roller 52 from the traction roller 51; during operation of the inspection machine, the pull roller 51 rotates in the opposite direction to the air shaft 23 to tension the label paper therebetween.

Illustratively, the third drive mechanism may not drive the motor.

Illustratively, the pressure roller 52 is made of a rubber material so as to be capable of elastic action to press the label paper between the pressure roller 52 and the drawing roller 51.

In order to simplify the structure, the fourth driving mechanism is an air cylinder 53 in this embodiment, and as shown in fig. 3 in particular, the air cylinder 53 can drive the press roller 52 to be close to or far from the drawing roller 51, so as to press or release the label paper passing around the drawing roller 51.

Exemplarily, in the present embodiment, as shown in fig. 3, the pressing roller 52 is mounted on a bracket 54, one end of the bracket 54 is rotatably connected to the frame 1, and the other end of the bracket 54 is connected to the power output end of the air cylinder 53; in addition, as can be seen from the continuous reference to fig. 3, the device comprises two press rolls 52 and two air cylinders 53 connected to the press rolls 52 in a one-to-one correspondence manner, and the central axes of the press rolls 52 are parallel to the central axis of the drawing roll 51.

Further, in this embodiment, in order to ensure a paper feeding line of the label paper, a first deviation corrector 8 is disposed between the unwinding mechanism 2 and the detection mechanism 4, and a second deviation corrector 9 is disposed between the operating platform 6 and the slitting device 7.

In this embodiment, in order to implement an automatic operation, the product inspection machine further includes a main control machine (not shown in the drawings), and the electric cylinder, the first driving mechanism 24, the detecting mechanism 4, the traction mechanism 5, the slitting device 7, and the winding mechanism 3 are all electrically connected to the main control machine. When the detection mechanism 4 detects a defective label, the detection mechanism 4 sends the detection result to the main control computer, the main control computer controls the first driving mechanism 24 and the traction mechanism 5 to stop running, the defective label is stopped on the operation platform 6, and after the defective label is removed by manpower or other equipment, the control computer controls the first driving mechanism 24 and the traction mechanism 5 to continue running.

Further, the quality inspection machine also comprises a display 10 and a human-computer interface 20, wherein the display 10 and the human-computer interface 20 are electrically connected with the electric controller; the display 10 can visually observe the paper feeding state of the label paper, and can set and adjust the paper feeding speed and start and stop operations of each component through the human-computer interface 20.

Illustratively, the detection mechanism 4 is a camera, the camera captures the label to obtain an image, and transmits the image to the main control computer, and the main control computer outputs the image to the display 10, so that whether the label has defects can be visually observed.

Exemplarily, in this embodiment, the operation platform 6 is provided with an operation key, and the operation key is electrically connected to the main control computer, so as to facilitate operation.

The overall working process of the quality inspection machine in the embodiment of the invention is as follows:

the roll label paper is arranged on the air expansion shaft 23, and the air expansion shaft 23 is driven to a target position through electric cylinder operation so as to complete feeding operation;

the label paper passes through a paper feeding path consisting of all paper guide rollers 30 to be fed, and is subjected to deviation correction after passing through the first deviation corrector 8 to guide the label paper to be fed so as to ensure that the label paper is normally photographed on the detection mechanism 4;

the label paper is photographed after passing through the detection mechanism 4, and after photographing, the traction mechanism 5 drives the label paper to continuously feed forward so as to pass through the operation platform 6;

when a defective label is found, the defective label is displayed on the display 10 and stays on the operating platform 6, and is removed manually or by other equipment;

after the defective labels are removed, the second deviation corrector 9 is used for ensuring the paper feeding line of the label paper again so as to ensure that the label edges are orderly cut when the label paper is subjected to slitting through the slitting device 7;

and finally, winding is performed by the winding mechanism 3.

To sum up, the embodiment of the invention provides an automatic lifting unreeling quality inspection machine, wherein an unreeling mechanism comprises a second driving mechanism for driving an air expansion shaft to reciprocate up and down, before operation, the second driving mechanism drives the air expansion shaft to a lower position, so that a roll of label paper is conveniently installed outside the air expansion shaft in a sleeving manner, and then the second driving mechanism is started to drive an installation plate to slide upwards, so that the air expansion shaft installed on the installation plate slides to a target position, and the loading operation is completed; the safety performance of material loading can be guaranteed, the convenience of operation can be greatly improved, the quality control efficiency is improved, and the method is particularly suitable for quality control of large-area labels.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.