CN213566830U

CN213566830U - Paper feeding mechanism of packaging machine

Info

Publication number: CN213566830U
Application number: CN202022411959.8U
Authority: CN
Inventors: 黄学志
Original assignee: ZHUHAI RUICHUANG TECHNOLOGY DEVELOPMENT CO LTD
Current assignee: ZHUHAI RUICHUANG TECHNOLOGY DEVELOPMENT CO LTD
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-06-29
Anticipated expiration: 2030-10-26

Abstract

The utility model discloses a paper feeding mechanism of a packing machine, which comprises a frame, a paper supporting device, a paper receiving device, a paper placing device, a code printing device and a cursor tracking device; the paper frame device, the paper placing device, the paper receiving device, the code printing device and the cursor tracking device are arranged on the rack; according to the advancing direction of the packaging paper, the paper supporting device is located at the foremost end, the paper receiving device is located in front of the paper placing device, and the code printing device and the cursor tracking device are located behind the paper placing device. The paper placing device realizes the operation of placing paper at a constant speed and a fixed amount, when the wrapping paper is used up, the machine stops and gives an alarm, and an operator finishes the paper splicing operation on the paper splicing device, so that the labor intensity is reduced, and the production efficiency is improved. The coding device can print information such as production date, batch number and the like on the packaging paper. The cursor tracking device detects a cursor on the packaging paper, and can obtain the design length of the packaging bag and the position of the calibrated packaging paper.

Description

Paper feeding mechanism of packaging machine

All as the field of technology

The utility model relates to a equipment for packing field, concretely relates to packagine machine paper feed mechanism.

All the above-mentioned background techniques

The packaging machine is widely applied to modern industrial production, replaces the traditional manual packaging work, and provides great convenience for the packaging of products produced in batches due to the characteristics of low cost and high efficiency. In the prior art, during the working process of a strip-shaped packaging machine, firstly, a package of packaging paper is unwound and then introduced into the machine, in the prior art, a packaging paper conveying mode mostly adopts a mode that a roller rotates to convey the packaging paper to a next station, wherein the power for rotating the roller is driven by means of friction force of a part which is contacted with the roller. The phenomenon that the wrapping paper is broken or folded in the conveying process is easily caused by uneven conveying speed of the wrapping paper.

Chinese patent document No. CN202642130U discloses a multi-row strip packaging machine, which comprises a film feeding mechanism, wherein the film feeding mechanism comprises two film feeding fixing plates and a film supporting roller shaft arranged between the two film feeding fixing plates, two ends of the film supporting roller shaft are respectively provided with a fixing block, a film discharging electric eye device is further arranged on the side edge of the film feeding fixing plates, the film discharging electric eye device comprises a film discharging electric eye ascending position and a film discharging electric eye descending position, the film discharging electric eye descending position is arranged below the film discharging electric eye ascending position, a film discharging roller, a film discharging detection roller, a deviation correction device and a brake device are further arranged between the two film feeding fixing plates, the film discharging detection roller is arranged at the film discharging electric eye device, a packaging film passes through the film discharging detection roller and enters the film discharging electric eye device, the two film feeding fixing plates are both provided with vertical guide grooves, and the film discharging detection roller floats up and down in the vertical guide grooves on the two film feeding fixing plates by the tension of the packaging film, the film placing roller is controlled by a driving device to rotate.

The film mechanism that walks of multiseriate strip packagine machine that provides in this patent adopts drive arrangement drive to put the membrane cylinder to detect the cylinder through putting the membrane and provide stable tension for the packaging film in transportation process, electric eye device opens for drive arrangement stops and provides the signal when the packaging film is used up, has effectively solved the packaging film transmission speed uneven, has caused the phenomenon production that produces tear-off or fold in transportation process. However, the film-moving mechanism is complicated in replacing the packaging film, cannot realize convenient film replacement operation after the packaging film is used up, and lacks functions of stroke calibration, code printing and the like on the packaging film.

All kinds of practical novel contents

The utility model provides a packagine machine paper feed mechanism provides stable tension in wrapping paper transportation process, can realize trading paper fast, meet the paper operation to provide and beat sign indicating number and stroke control, calibration.

In order to achieve the above technical purpose, the first purpose of the present invention is achieved by the following technical solutions:

a paper conveying mechanism of a packaging machine comprises a rack, a paper supporting device and a paper placing device, wherein the paper supporting device and the paper placing device are arranged on the rack; the method is characterized in that: the automatic paper packaging machine is characterized by further comprising a paper receiving device, a code printing device and a cursor tracking device which are installed on the machine frame, wherein the paper receiving device, the code printing device and the cursor tracking device are arranged on the machine frame, the paper supporting device is located at the foremost end, the paper receiving device is located before the paper placing device, and the code printing device and the cursor tracking device are located behind the paper placing device.

Through the technical scheme, the paper placing device achieves the operation of placing paper at a constant speed and quantitatively, when the paper placing device detects that the wrapping paper on the paper erecting device is used up, the machine stops and gives an alarm, and after the paper receiving operation is completed on the paper receiving device by an operator, the machine is restarted to continue production, so that the process that the wrapping paper needs to be penetrated into a complex mechanism again due to untimely shutdown when the wrapping paper is used up is reduced, the labor intensity is reduced, and the production efficiency is improved. The coding device can print information such as production date, batch number and the like on the packaging paper. The cursor tracking device detects a cursor on the packaging paper, and can obtain the design length of the packaging bag and the position of the calibrated packaging paper.

As a further improvement of the utility model, the paper supporting device comprises a paper supporting bracket, a paper supporting shaft, a datum paper supporting wheel and a quick-release paper supporting wheel; the paper supporting frame comprises two paper supporting frames, the two paper supporting frames are provided with U-shaped notches and are mounted on the machine frame, the paper supporting shafts are placed in the U-shaped notches, and the datum paper supporting wheels and the quick-release paper supporting wheels are mounted on the paper supporting shafts.

As a further improvement of the utility model, a limiting pin is arranged on one or two paper support frames near the U-shaped gap, and an anti-rotation pin is arranged at one or two ends of the paper support shaft near the U-shaped gap of the paper support frame along the radial direction of the paper support shaft; when the paper shaft is placed on the paper support, the limiting pin and the anti-rotation pin can interfere with each other.

As a further improvement of the utility model, the paper splicing device comprises a paper splicing platform; and a cutting seam which is vertical to the advancing direction of the packing paper is arranged on the paper splicing platform.

As a further improvement of the utility model, the paper receiving device further comprises a guide roller and a paper pressing block; according to the advancing direction of the packing paper, the guide roller is arranged in front of the paper receiving platform, and the paper pressing block is arranged on the paper receiving platform.

As a further improvement of the utility model, the paper pressing block is a magnetic stripe, and the paper receiving platform is made of ferromagnetic material; the magnetic stripe is two, adsorbs on the paper receiving platform.

As a further improvement of the utility model, the paper placing device comprises a front roller, a paper placing roller, a tension roller, a reciprocating transmission mechanism, a driving device and a sensor; the tension rollers are mounted on the reciprocating transmission mechanism, the number of the sensors is three, the sensors are mounted on the rack and used for detecting the position of the reciprocating transmission mechanism, and the driving device drives the paper placing roller to rotate; according to the advancing direction of the packaging paper, the front roller is arranged in front of the paper placing roller, and the tension roller is arranged behind the paper placing roller.

As a further improvement of the present invention, the code printing device includes a printing platform and one or more printing heads; the printing heads are positioned above the printing platform, and the number of the printing heads can be increased or reduced according to the number of rows of packaging bags formed by packaging paper.

As a further improvement, the code printing device further comprises a front code printing guide roller and a rear code printing guide roller, the front code printing guide roller and the rear code printing guide roller are arranged on the upper edge and the printing platform is parallel and level.

As a further improvement of the present invention, the cursor tracking device includes a photoelectric sensor, the photoelectric sensor tracks the cursor on the packing paper, and obtains the length of the packing bag and the position of the control packing bag.

Description of the drawings

Fig. 1 is a front view of a paper feeding mechanism according to an embodiment of the present invention.

Fig. 2 is a sectional view taken along a-a in fig. 1.

Fig. 3 is a partial enlarged view of I in fig. 1.

Fig. 4 is a front view of a paper rack according to an embodiment of the present invention.

Fig. 5 is a front view of a paper supporting shaft according to an embodiment of the present invention.

(specific embodiments) in all cases

The following description will further describe embodiments of the present invention with reference to the accompanying drawings, wherein for convenience of description, the upper, lower, left, right, front, rear, and other orientations may be defined in the present application, and the present application is intended to clearly describe the relative position relationship of the structures, and is not intended to limit the actual orientation of the product during the manufacturing, using, selling, and the like. The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:

the embodiment provides a paper feeding mechanism of a packaging machine, which comprises a frame 10, a paper supporting device, a paper receiving device, a paper placing device, a code printing device and a cursor tracking device.

The paper supporting device comprises a paper supporting bracket 21, a paper supporting shaft 22, a datum paper supporting wheel 23 and a quick-release paper supporting wheel 24; the paper support frame comprises two paper support frames 21 and is installed on the machine frame 10, the paper support frames 21 are provided with U-shaped notches 211, and a limiting pin 212 is arranged on one of the paper support frames 21 and close to the U-shaped notch 211. The paper shaft 22 is placed in the U-shaped notch 211, the positioning groove 221 is formed in the paper shaft 22 and corresponds to the U-shaped notch 211 in the paper support, the one end of the paper shaft 22 is close to the U-shaped notch 211 of the paper support 21, the anti-rotation pin 222 is radially arranged along the paper shaft 22, and when the paper shaft 22 is placed on the paper support 21, the limiting pin 212 and the anti-rotation pin 222 can interfere with each other. The datum paper frame wheel 23 and the quick-release paper frame wheel 24 are mounted on the paper frame shaft 22.

The paper receiving device comprises a paper receiving platform 31, a magnetic strip 32 and a guide roller 33, wherein the paper receiving platform 31 and the guide roller 33 are installed on the rack 10, and the guide roller 33 is installed in front of the paper receiving platform 31 according to the advancing direction of the wrapping paper. The paper splicing platform 31 is made of ferromagnetic materials, and a cutting seam 311 perpendicular to the advancing direction of the wrapping paper is arranged on the paper splicing platform 31. The magnetic stripes 32 are two pieces and adsorbed on the paper receiving platform 31.

The paper feeding device comprises a front roller 41, a paper feeding roller 42, a tension roller 43, a reciprocating transmission mechanism 44, a driving device 45 and a sensor. The tension roller 43 is mounted on the reciprocating transmission mechanism 44; the three sensors are respectively an upper limit sensor 46, a lower limit sensor 47 and a paperless alarm sensor 48, are mounted on the rack 10 and are used for detecting the position of the reciprocating transmission mechanism 44, the upper limit sensor 46 is close to the upper end of the reciprocating transmission mechanism 44, the paperless alarm sensor 48 is close to the lower end of the reciprocating transmission mechanism 44, and the lower limit sensor 47 is located between the upper limit sensor 46 and the paperless alarm sensor 48; the driving device 45 drives the paper feeding roller 42 to rotate. The pre-roll 41 is installed in front of the paper-feeding roll 42, and the tension roll 43 is installed behind the paper-feeding roll 42, in the direction of travel of the wrapping paper.

The coding device comprises a printing platform 51, a plurality of printing heads 52, a front coding guide roller 53 and a rear coding guide roller 54. The print head 52 is located above the print platform 51, and the upper edges of the front code printing guide roller 53 and the rear code printing guide roller 54 are flush with the print platform 51.

The cursor tracking device comprises a photoelectric sensor 61, wherein the photoelectric sensor 61 tracks a cursor on the packaging paper, and the length of the packaging bag and the position of the packaging bag are obtained and controlled.

The paper frame device, the paper placing device, the paper receiving device, the code printing device and the cursor tracking device are arranged on the rack 10; according to the advancing direction of the packaging paper, the paper supporting device is located at the foremost end, the paper receiving device is located in front of the paper placing device, and the code printing device and the cursor tracking device are located behind the paper placing device.

Before the paper feeding mechanism works, a packaging paper roll is clamped between the datum paper frame wheel 23 and the quick-release paper frame wheel 24, and the positioning groove 221 on the paper frame shaft 22 is placed in the U-shaped notch 211 on the paper frame support 21, so that the paper frame shaft 22 does not move relative to the paper frame support 21 in the axial direction. And adjusting the position of the reference frame paper wheel 23 on the frame paper shaft 22 to center the packaging paper roll on the paper feeding mechanism, locking the reference frame paper wheel 23 so that the reference frame paper wheel does not move relative to the axial direction of the frame paper shaft 22, and locking the quick release frame paper wheel 24 so that the quick release frame paper wheel does not move relative to the axial direction of the frame paper shaft 22, namely the packaging paper roll is loaded completely.

The packaging paper rolls are wound above the guide roller 33 of the paper receiving device in sequence and pass through the paper receiving platform 31; the paper passes below a front roller 41 of the paper placing device, above a paper placing roller 42 and below a tension roller 43, and enters the coding device; the wrapping paper passes through the front printing guide roller 53, the rear printing guide roller 54 and the printing platform 51 of the printing device, and passes through the lower part of the printing head 52; enters the cursor tracking device and passes through the photosensor 61.

When the paper feeding mechanism works, the packaging paper is unwound from the packaging paper roll, and the packaging paper passes through the paper frame device, the paper receiving device, the paper placing device, the code printing device and the cursor tracking device in sequence and enters other parts of the machine. A reference paper frame wheel 23 and a quick-release paper frame wheel 24 of the paper frame device rotate along with the packaging paper roll; the bobbin 22 may follow the wrap roll rotation when the machine is just started, but the bobbin 22 rotates less than one turn because of the interference of the limit pin 212 and the anti-rotation pin 222. The delivery cylinder 42 is intermittently moved, and the tension cylinder 43 is movable in the reciprocating transmission mechanism 44; when a paper is needed at the rear, the wrapping paper drives the tension roller 43 to ascend in the reciprocating transmission mechanism 44 until the wrapping paper reaches the upper end of the reciprocating transmission mechanism 44, the upper limit sensor 46 senses the tension roller 43 and sends a signal to the driving device 45; the driving device 45 drives the paper placing roller 42 to convey the wrapping paper to the paper placing device at a constant speed, the tension roller 43 descends due to paper feeding until the wrapping paper reaches the position near the lower limit sensor 47, the lower limit sensor 47 senses the tension roller 43 and sends a signal to the driving device 45, and the driving device 45 stops driving the paper placing roller 42 to rotate and stops paper feeding. When the wrapping paper is used up, the tail end of the wrapping paper is separated from the reel, the wrapping paper cannot provide enough friction force between the wrapping paper and the paper placing roller 42 due to the fact that the wrapping paper between the paper placing device and the paper placing roller 42 loses tension, the tension roller 43 moves downwards to the paper-free alarm sensor 48 under the action of gravity, the machine stops, and an alarm signal is sent out.

And after the packaging paper is used up, taking down the paper supporting shaft 22, detaching the quick-release paper supporting wheel 24, taking out the paper-free reel, replacing the paper-free reel with a new packaging paper roll, assembling the quick-release paper supporting wheel 24 back, placing the paper supporting shaft 22 on the paper supporting bracket 21, and completing the loading operation of the new packaging paper roll. Pulling the starting end of the wrapping paper to a paper splicing platform 31 of the paper splicing device, fixing the wrapping paper to the paper splicing platform 31 by using one of the magnetic stripes 32, and covering the end part of the wrapping paper with a cutting seam 311 on the paper splicing platform; the end of the previous roll of wrapping paper is fixed to the splicing platform 31 by another magnetic strip 32, the end is covered with the new wrapping paper and the cutting seam 311 on the splicing platform 31, so that the end of the previous roll of wrapping paper and the starting end of the next roll of wrapping paper have overlapped parts. And adjusting the central lines of the two tail ends to align, cutting the overlapped part along the cutting seam 311 by using a paper cutter to ensure that the two rolls of wrapping paper are connected in an end-to-end manner, and sticking the two rolls of wrapping paper by using an adhesive tape to finish the paper splicing operation.

The code printing device can print information such as production date, batch number and the like on the packaging paper, the cursor tracking device detects a cursor on the packaging paper, the designed length of the packaging bag can be obtained, and the length information of the packaging bag is provided to other parts of the machine; the cursor tracking device also calibrates and controls the position of the wrapper, aligns the printing position of the coding device, and provides information on the position of the wrapper to other parts of the machine.

The paper feeding mechanism provided by the utility model can realize the fast and tool-free replacement of the packing paper and the convenient paper receiving operation; the paper is supplied at a constant speed and a fixed amount in the paper conveying process, and a certain tension is provided for the packing paper, so that the situation that the packing paper is broken or folded due to uneven tension is avoided; the paper-free shutdown alarm function is provided, the machine can be stopped in time under the condition of no paper, and the phenomenon that the tail end of the packaging paper losing tension enters the machine to generate wrinkles and increase the workload of paper penetration is prevented. A coding device and a cursor tracking device are provided to integrally code wrapping paper, track position and calibrate.

The above embodiments are merely for full disclosure and are not intended to limit the present invention, and all changes that can be made without creative work based on the inventive idea and the equivalent technical features should be considered as the scope of the present disclosure.

Claims

1. A paper conveying mechanism of a packaging machine comprises a rack, a paper supporting device and a paper placing device, wherein the paper supporting device and the paper placing device are arranged on the rack; the method is characterized in that: the automatic paper packaging machine is characterized by further comprising a paper receiving device, a code printing device and a cursor tracking device which are installed on the machine frame, wherein the paper receiving device, the code printing device and the cursor tracking device are arranged on the machine frame, the paper supporting device is located at the foremost end, the paper receiving device is located before the paper placing device, and the code printing device and the cursor tracking device are located behind the paper placing device.

2. The packaging machine paper feed mechanism of claim 1, wherein: the paper supporting device comprises a paper supporting bracket, a paper supporting shaft, a datum paper supporting wheel and a quick-release paper supporting wheel; the paper supporting frame comprises two paper supporting frames, the two paper supporting frames are provided with U-shaped notches and are mounted on the machine frame, the paper supporting shafts are placed in the U-shaped notches, and the datum paper supporting wheels and the quick-release paper supporting wheels are mounted on the paper supporting shafts.

3. The packaging machine paper feed mechanism of claim 2, wherein: limiting pins are arranged on one or two paper supporting brackets close to the U-shaped notches, and anti-rotating pins are arranged at one or two ends of the paper supporting shaft close to the U-shaped notches of the paper supporting brackets along the radial direction of the paper supporting shaft; when the paper shaft is placed on the paper support, the limiting pin and the anti-rotation pin can interfere with each other.

4. The packaging machine paper feed mechanism of claim 1, wherein: the paper splicing device comprises a paper splicing platform; and a cutting seam which is vertical to the advancing direction of the packing paper is arranged on the paper splicing platform.

5. The packaging machine paper feed mechanism of claim 4, wherein: the paper splicing device also comprises a guide roller and a paper pressing block; according to the advancing direction of the packing paper, the guide roller is arranged in front of the paper receiving platform, and the paper pressing block is arranged on the paper receiving platform.

6. The packaging machine paper feed mechanism of claim 5, wherein: the paper pressing block is a magnetic strip, and the paper receiving platform is made of ferromagnetic materials; the magnetic stripe is two, adsorbs on the paper receiving platform.

7. The packaging machine paper feed mechanism of claim 1, wherein: the paper placing device comprises a front roller, a paper placing roller, a tension roller, a reciprocating transmission mechanism, a driving device and a sensor; the tension rollers are mounted on the reciprocating transmission mechanism, the number of the sensors is three, the sensors are mounted on the rack and used for detecting the position of the reciprocating transmission mechanism, and the driving device drives the paper placing roller to rotate; according to the advancing direction of the packaging paper, the front roller is arranged in front of the paper placing roller, and the tension roller is arranged behind the paper placing roller.

8. The packaging machine paper feed mechanism of claim 1, wherein: the coding device comprises a printing platform and one or more printing heads; the printing heads are positioned above the printing platform, and the number of the printing heads can be increased or reduced according to the number of rows of packaging bags formed by packaging paper.

9. The packaging machine paper feed mechanism of claim 8, wherein: the code printing device further comprises a front code printing guide roller and a rear code printing guide roller, and the upper edges of the front code printing guide roller and the rear code printing guide roller are flush with the printing platform.

10. The packaging machine paper feed mechanism of claim 1, wherein: the cursor tracking device comprises a photoelectric sensor, the photoelectric sensor tracks a cursor on the packaging paper to obtain the length of the packaging bag and control the position of the packaging bag.