Anti-stacking conveying system and method for packaging bags

Abstract

The application provides a kind of anti-overlapping bag conveying system of packaging bag, comprising first conveying line and second conveying line that converge into main conveying line in upper and lower two layers, and the first conveying line and the second conveying line are respectively provided with light curtain area and baffle.The application also provides an anti-overlapping bag conveying method of packaging bag, which uses the above anti-overlapping bag conveying system to convey packaging bags filled with JS powder to stacking station.The application can effectively avoid the phenomenon of overlapping bags and following bags when the packaging bags converge into the main conveying line from the first conveying line and the second conveying line, effectively avoid the congestion of the packaging bags at the input end of the main conveying line, effectively improve the conveying efficiency of the packaging bags, and further improve the operation efficiency of the whole packing and stacking process.

Description

TECHNICAL FIELD

[0001] The present application relates to a kind of anti-piling bag conveying system and method of packaging bag. BACKGROUND

[0002] JS powder is a waterproof material, JS powder produced is generally packaged by packaging bag, and then the packaging bag containing JS powder is stacked and transported in batches.

[0003] In order to improve production efficiency, the packaging conveying line with double stations is often used to convey the packaging bag containing JS powder to the stacking station. The packaging conveying line with double stations generally includes: a main conveying line for conveying the packaging bag and the output end extending to the stacking station, a first conveying line for conveying the packaging bag and the input end being connected with the output end of the first packaging machine and the output end being connected with the input end of the main conveying line, and a second conveying line for conveying the packaging bag and the input end being connected with the output end of the second packaging machine and the output end being connected with the input end of the main conveying line; and the output end of the first conveying line and the output end of the second conveying line are connected to the input end of the main conveying line in two layers. The packaging bags containing JS powder output by the first packaging machine in sequence are sent to the main conveying line by the first conveying line, and then sent to the stacking station by the main conveying line. The packaging bags containing JS powder output by the second packaging machine in sequence are sent to the main conveying line by the second conveying line, and then sent to the stacking station by the main conveying line. However, during the process of the packaging bags being connected to the main conveying line by the first conveying line and the second conveying line, there are often some piling bags and following bags, which can cause the packaging and stacking process to be stuck and run poorly, which is particularly obvious on the packaging conveying line with double stations. Therefore, solving such problems has become a key to improving the running efficiency of the packaging conveying line. SUMMARY

[0004] To solve the defects of the prior art, the present application provides an anti-piling bag conveying system for packaging bags, which conveys the packaging bags containing JS powder to the stacking station, and includes: a main conveying line for conveying the packaging bag and the output end extending to the stacking station, a first conveying line for conveying the packaging bag and the input end being connected with the output end of the first packaging machine and the output end being connected with the input end of the main conveying line, and a second conveying line for conveying the packaging bag and the input end being connected with the output end of the second packaging machine and the output end being connected with the input end of the main conveying line; and the output end of the first conveying line and the output end of the second conveying line are connected to the input end of the main conveying line in two layers.

[0005] The first conveying line is provided with a first light curtain area for sensing the passing of the packaging bag on the first conveying line, and a first baffle for extending to block the passing of the packaging bag on the first conveying line, and for retreating to release the passing of the packaging bag on the first conveying line; the first light curtain area extends from the output end of the first conveying line to the input end of the first conveying line along the first conveying line; the first baffle is arranged in the first light curtain area, and the first baffle divides the first light curtain area into a first light curtain area front segment and a first light curtain area rear segment, through which the packaging bag on the first conveying line passes in sequence.

[0006] The second conveying line is provided with a second light curtain area for sensing the passing of the packaging bag on the second conveying line, and a second baffle for extending to block the passing of the packaging bag on the second conveying line, and for retreating to release the passing of the packaging bag on the second conveying line; the second light curtain area extends from the output end of the second conveying line to the input end of the second conveying line along the second conveying line; the second baffle is arranged in the second light curtain area, and the second baffle divides the second light curtain area into a second light curtain area front segment and a second light curtain area rear segment, through which the packaging bag on the second conveying line passes in sequence.

[0007] Preferably, the extension length of the first light curtain area is not less than 2.5 times the length of a single packaging bag.

[0008] Preferably, the extension length of the first light curtain area front segment is the length of a single packaging bag.

[0009] Preferably, the extension length of the second light curtain area is not less than 2.5 times the length of a single packaging bag.

[0010] Preferably, the extension length of the second light curtain area front segment is the length of a single packaging bag.

[0011] Preferably, the main conveying line, the first conveying line, and the second conveying line are all roller conveying lines.

[0012] Preferably, in the first conveying line, and adjacent to the front side of the first baffle (i.e. located in the first light curtain area front segment and closest to the first baffle), there are three rollers, wherein the outer periphery of the first roller through which the packaging bag on the first conveying line passes first is treated for anti-skid, and the outer periphery of the second roller and the third roller through which the packaging bag on the first conveying line passes later is not treated for anti-skid; and the distance between the first roller and the first baffle is less than the length of a single packaging bag.

[0013] Preferably, in the second conveying line, and adjacent to the front side of the second baffle (i.e. located in the second light curtain area front segment and closest to the second baffle), there are three rollers, wherein the outer periphery of the first roller through which the packaging bag on the second conveying line passes first is treated for anti-skid, and the outer periphery of the second roller and the third roller through which the packaging bag on the second conveying line passes later is not treated for anti-skid; and the distance between the first roller and the second baffle is less than the length of a single packaging bag.

[0014] Preferably, the first light curtain area and the second light curtain area have the same extension length; the first light curtain area front section and the second light curtain area front section have the same extension length; the first light curtain area rear section and the second light curtain area rear section have the same extension length; and the first conveying line and the second conveying line have the same conveying speed.

[0015] The application also provides a method for preventing the stacking of bags, which comprises the following steps: the first packaging machine outputs the bags filled with JS powder to the first conveying line, and the second packaging machine outputs the bags filled with JS powder to the second conveying line; the first baffle and the second baffle are controlled according to the sensing of the passing of the bags by the first light curtain area and the second light curtain area; the bags on the first conveying line are released by the first baffle and then merged into the main conveying line, the bags on the second conveying line are released by the second baffle and then merged into the main conveying line, and the main conveying line sends the merged bags to the stacking station.

[0016] The control of the first baffle and the second baffle according to the sensing of the passing of the bags by the first light curtain area and the second light curtain area comprises the following steps:

[0017] When neither the first light curtain area nor the second light curtain area senses the passing of the bags, the first baffle and the second baffle are controlled to remain in the retracted state;

[0018] When the first light curtain area front section senses the passing of the bags and the second light curtain area front section does not sense the passing of the bags, the first baffle is controlled to remain in the retracted state and the second baffle is controlled to remain in the extended state, the bags on the first conveying line released by the first baffle are merged into the main conveying line and then sent to the stacking station by the main conveying line, and when the second baffle remains in the retracted state, the passing of the bags on the second conveying line is blocked;

[0019] When the second light curtain area front section senses the passing of the bags and the first light curtain area front section does not sense the passing of the bags, the first baffle is controlled to remain in the extended state and the second baffle is controlled to remain in the retracted state, the bags on the second conveying line released by the second baffle are merged into the main conveying line and then sent to the stacking station by the main conveying line, and when the first baffle remains in the retracted state, the passing of the bags on the first conveying line is blocked;

[0020] When the first light curtain front section and the second light curtain front section simultaneously sense the passing of the packaging bag, the system compares the already-passed distance of the packaging bag in the first light curtain front section and the second light curtain front section (i.e. how many distances the packaging bag has passed after entering the first light curtain front section or the second light curtain front section); if the already-passed distance of the packaging bag in the first light curtain front section is greater than the already-passed distance of the packaging bag in the second light curtain front section, the first baffle is controlled to remain in the retracted state and the second baffle is controlled to remain in the extended state, so as to first release the packaging bag by the first baffle; if the already-passed distance of the packaging bag in the second light curtain front section is greater than the already-passed distance of the packaging bag in the first light curtain front section, the first baffle is controlled to remain in the extended state and the second baffle is controlled to remain in the retracted state, so as to first release the packaging bag by the second baffle.

[0021] When the first light curtain rear section and the second light curtain rear section simultaneously sense the passing of the packaging bag, the system triggers a warning to remind the worker to observe whether the packaging bag is stacked.

[0022] The packaging bag anti-stacking conveying system and method provided by the application can convey the packaging bag containing JS powder to the stacking station, effectively avoid the stacking and following of the packaging bag when the packaging bag is merged from the first conveying line and the second conveying line into the main conveying line, effectively avoid the congestion of the packaging bag at the input end of the main conveying line, effectively improve the conveying efficiency of the packaging bag, and further improve the operation efficiency of the whole packing and stacking process.

[0023] Among the three rollers adjacent to the front side of the baffle (the first baffle and the second baffle), the first roller through which the packaging bag passes first is provided with an anti-skid treatment, and the second roller and the third roller through which the packaging bag passes later are not provided with the anti-skid treatment; in this way, the baffle can stop the packaging bag after being extended, and the packaging bag can automatically move forward after the baffle is retracted, and the whole process will not affect the appearance of the packaging bag. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 is a schematic diagram of the application. EMBODIMENT

[0025] The specific embodiment of the application is described below in combination with the drawings and examples. The following examples are only used to more clearly illustrate the technical solutions of the application, and cannot be used to limit the protection scope of the application.

[0026] The specific embodiment of the application is described below in combination with the drawings and examples. The following examples are only used to more clearly illustrate the technical solutions of the application, and cannot be used to limit the protection scope of the application.

[0027] As shown in Figure 1 The application provides a packaging bag anti-stacking conveying method, which uses an anti-stacking conveying system to convey the packaging bag 8 containing JS powder to the stacking station.

[0028] The anti-stacking bag conveying system comprises: a main conveying line 1 for conveying the bags 8 and extending to a stacking station, a first conveying line 21 for conveying the bags 8 and having an output end connected to an output end of the first packaging machine 31 and an input end connected to an input end of the main conveying line 1, and a second conveying line 22 for conveying the bags 8 and having an output end connected to an output end of the second packaging machine 32 and an input end connected to an input end of the main conveying line 1; and the output end of the first conveying line 21 and the output end of the second conveying line 22 are connected to the input end of the main conveying line 1 in an upper and lower arrangement;

[0029] The first conveying line 21 is provided with a first light curtain area 4 for sensing the passing of the bags 8 on the first conveying line 21 and a first baffle 5 for extending to block the passing of the bags 8 on the first conveying line 21 and retracting to allow the passing of the bags 8 on the first conveying line 21; the first light curtain area 4 extends from the output end of the first conveying line 21 to the input end of the first conveying line 21 along the first conveying line 21, and the extension length of the first light curtain area 4 is not less than 2.5 times the length of a single bag 8; the first baffle 5 is arranged in the first light curtain area 4, and the first baffle 5 divides the first light curtain area 4 into a first light curtain front section 41 and a first light curtain rear section 42 through which the bags 8 on the first conveying line 21 pass in sequence, and the extension length of the first light curtain front section 41 is the length of a single bag 8;

[0030] The second conveying line 22 is provided with a second light curtain area 6 for sensing the passing of the bags 8 on the second conveying line 22 and a second baffle 7 for extending to block the passing of the bags 8 on the second conveying line 22 and retracting to allow the passing of the bags 8 on the second conveying line 22; the second light curtain area 6 extends from the output end of the second conveying line 22 to the input end of the second conveying line 22 along the second conveying line 22, and the extension length of the second light curtain area 6 is not less than 2.5 times the length of a single bag 8; the second baffle 7 is arranged in the second light curtain area 6, and the second baffle 7 divides the second light curtain area 6 into a second light curtain front section 61 and a second light curtain rear section 62 through which the bags 8 on the second conveying line 22 pass in sequence, and the extension length of the second light curtain front section 61 is the length of a single bag 8;

[0031] The main conveying line 1, the first conveying line 21 and the second conveying line 22 are all roller conveying lines;

[0032] The first conveying line 21 is provided with three rollers adjacent to the front side of the first baffle 5 (i.e. located in the first light curtain front section 41 and closest to the first baffle 5), wherein the outer periphery of the first roller through which the bags 8 on the first conveying line 21 pass first is treated to prevent slipping, and the outer peripheries of the second roller and the third roller through which the bags 8 on the first conveying line 21 pass later are not treated to prevent slipping; and the distance between the first roller and the first baffle 5 is less than the length of a single bag 8;

[0033] Three rollers in the second conveying line 22 and adjacent to the front side of the second baffle 7 (i.e. in the front section 61 of the second light curtain area and closest to the second baffle 7), wherein the outer periphery of the first roller through which the packaging bag 8 on the second conveying line 22 passes first is treated to prevent slipping, and the outer periphery of the second and third rollers through which the packaging bag 8 on the second conveying line 22 passes later is not treated to prevent slipping; and the distance between the first roller and the second baffle 7 is less than the length of a single packaging bag 8;

[0034] The first light curtain area 4 and the second light curtain area 6 have the same extension length; the first light curtain area front section 41 and the second light curtain area front section 61 have the same extension length; the first light curtain area rear section 42 and the second light curtain area rear section 62 have the same extension length; and the first conveying line 21 and the second conveying line 22 have the same conveying speed;

[0035] The anti-overlapping bag conveying system for conveying the packaging bag 8 containing JS powder to the stacking station includes the following steps: the first packaging machine 31 outputs the packaging bag 8 containing JS powder to the first conveying line 21 in sequence (the packaging bag 8 on the first conveying line 21 is laid flat, and the length direction of the packaging bag 8 is consistent with the conveying direction of the first conveying line 21), and the second packaging machine 32 outputs the packaging bag 8 containing JS powder to the second conveying line 22 in sequence (the packaging bag 8 on the second conveying line 22 is laid flat, and the length direction of the packaging bag 8 is consistent with the conveying direction of the second conveying line 22); the first baffle 5 and the second baffle 7 are controlled to work according to the sensing of the first light curtain area 4 and the second light curtain area 6 on the passing of the packaging bag 8; the packaging bag 8 on the first conveying line 21 is released by the first baffle 5 and then merged into the main conveying line 1, and the packaging bag 8 on the second conveying line 22 is released by the second baffle 7 and then merged into the main conveying line 1, and the main conveying line 1 sends the merged packaging bag 8 to the stacking station;

[0036] The first baffle 5 and the second baffle 7 are controlled to work according to the sensing of the first light curtain area 4 and the second light curtain area 6 on the passing of the packaging bag 8, including:

[0037] When neither the first light curtain area 4 nor the second light curtain area 6 senses the passing of the packaging bag 8, the first baffle 5 and the second baffle 7 are controlled to remain in the retracted state;

[0038] When the first light curtain area front section 41 senses the passing of the packaging bag 8 and the second light curtain area front section 61 does not sense the passing of the packaging bag 8, the first baffle 5 is controlled to remain in the retracted state, and the second baffle 7 is controlled to remain in the extended state, the packaging bag 8 on the first conveying line 21 that is released by the first baffle 5 is merged into the main conveying line 1 and then sent to the stacking station by the main conveying line 1; and when the second baffle 7 remains in the retracted state, the passing of the packaging bag 8 on the second conveying line 22 is blocked;

[0039] When the second light curtain front section 61 senses the passing of the packaging bag 8 and the first light curtain front section 41 does not sense the passing of the packaging bag 8, the control system controls the first baffle 5 to keep the extended state and the second baffle 7 to keep the retracted state, the packaging bag 8 on the second conveying line 22 released by the second baffle 7 is merged into the main conveying line 1, and then is sent to the stacking station by the main conveying line 1; and when the first baffle 5 keeps the retracted state, the passing of the packaging bag 8 on the first conveying line 21 is blocked;

[0040] When the first light curtain front section 41 and the second light curtain front section 61 simultaneously sense the passing of the packaging bag 8, the system compares the already-passed travel of the packaging bag 8 in the first light curtain front section 41 and the second light curtain front section 61 (i.e. how many travels the packaging bag 8 travels after entering the first light curtain front section 41 or the second light curtain front section 61); if the already-passed travel of the packaging bag 8 in the first light curtain front section 41 is greater than the already-passed travel of the packaging bag 8 in the second light curtain front section 61, the control system controls the first baffle 5 to keep the retracted state and the second baffle 7 to keep the extended state, so as to make the first baffle 5 release the packaging bag 8 first; if the already-passed travel of the packaging bag 8 in the second light curtain front section 61 is greater than the already-passed travel of the packaging bag 8 in the first light curtain front section 41, the control system controls the first baffle 5 to keep the extended state and the second baffle 7 to keep the retracted state, so as to make the second baffle 7 release the packaging bag 8 first.

[0041] When the first light curtain rear section 42 and the second light curtain rear section 62 simultaneously sense the passing of the packaging bag 8, the system triggers a warning to remind the worker to observe whether the stacking of the packaging bag 8 occurs.

[0042] The above only describes the preferred embodiments of the present application, and it should be noted that, for those skilled in the art, without departing from the technical principles of the present application, some improvements and refinements can be made, and these improvements and refinements should also be considered as the protection scope of the present application.

Claims

1. A method for preventing overlapping of packaging bags, characterized in that: Use anti-overlapping conveying system to convey bags containing JS powder to the palletizing station; The anti-overlapping conveying system includes: a main conveying line extending from its output end to the palletizing station, a first conveying line whose input end is connected to the output end of the first packaging machine and whose output end is connected to the input end of the main conveying line, and a second conveying line whose input end is connected to the output end of the second packaging machine and whose output end is connected to the input end of the main conveying line; and the output end of the first conveying line and the output end of the second conveying line are divided into two layers, upper and lower, and are connected to the input end of the main conveying line; the first conveying line is equipped with: a first light curtain area for sensing the passage of packaging bags on the first conveying line, and a first baffle for blocking the passage of packaging bags on the first conveying line after extending and allowing the packaging bags on the first conveying line to pass after retracting; the first light curtain area is connected by the first output The output end of the conveyor line extends along the first conveyor line toward the input end of the first conveyor line; a first baffle is provided in the first light curtain area, and the first baffle separates the first light curtain area into a front section of the first light curtain area and a rear section of the first light curtain area; the second conveyor line is equipped with: a second light curtain area for sensing the passage of packaging bags on the second conveyor line, and a second baffle for extending to block the passage of packaging bags on the second conveyor line and retracting to allow the passage of packaging bags on the second conveyor line; the second light curtain area extends from the output end of the second conveyor line along the second conveyor line toward the input end of the second conveyor line; a second baffle is provided in the second light curtain area, and the second baffle separates the second light curtain area into a front section of the second light curtain area and a rear section of the second light curtain area; The anti-overlapping conveying system is used to convey packaging bags containing JS powder to the palletizing station, including the following steps: a first packaging machine sequentially outputs packaging bags containing JS powder to a first conveyor line, and a second packaging machine sequentially outputs packaging bags containing JS powder to a second conveyor line; the first baffle and the second baffle are controlled to operate according to the sensing of the passage of the packaging bags by the first light curtain area and the second light curtain area; the packaging bags on the first conveyor line are released by the first baffle and then merged into the main conveyor line, and the packaging bags on the second conveyor line are released by the second baffle and then merged into the main conveyor line, and the main conveyor line conveys the merged packaging bags to the palletizing station; The method of controlling the operation of the first baffle and the second baffle according to the sensing of the passage of the packaging bag by the first light curtain area and the second light curtain area includes: When neither the first light curtain area nor the second light curtain area senses the passage of a packaging bag, the first baffle and the second baffle are controlled to remain in the retracted state; When the front section of the first light curtain zone senses the passage of packaging bags and the front section of the second light curtain zone does not sense the passage of packaging bags, the first baffle is controlled to remain in the retracted state and the second baffle is controlled to remain in the extended state. The packaging bags released by the first baffle on the first conveyor line are merged into the main conveyor line and then sent to the palletizing station by the main conveyor line; When the front section of the second light curtain zone senses the passage of packaging bags and the front section of the first light curtain zone does not sense the passage of packaging bags, the first baffle is controlled to remain in the extended state and the second baffle is controlled to remain in the retracted state. The packaging bags released by the second baffle on the second conveyor line are merged into the main conveyor line and then sent to the palletizing station by the main conveyor line; When the front section of the first light curtain area and the front section of the second light curtain area simultaneously sense that a packaging bag has passed, the system compares the travel distance of the packaging bag in the front section of the first light curtain area and the front section of the second light curtain area; if the travel distance of the packaging bag in the front section of the first light curtain area is greater than the travel distance of the packaging bag in the front section of the second light curtain area, the first baffle is controlled to remain in the retracted state and the second baffle is controlled to remain in the extended state, and the first baffle is controlled to release the packaging bag first; if the travel distance of the packaging bag in the front section of the second light curtain area is greater than the travel distance of the packaging bag in the front section of the first light curtain area, the first baffle is controlled to remain in the extended state and the second baffle is controlled to remain in the retracted state, and the second baffle is controlled to release the packaging bag first; When the rear section of the first light curtain area and the rear section of the second light curtain area simultaneously sense the passage of a packaging bag, the system triggers an early warning.

2. The method for preventing overlapping of packaging bags according to claim 1, characterized in that: The extension length of the first light curtain area is not less than 2.5 times the length of the packaging bag.

3. The method for preventing overlapping of packaging bags according to claim 2, characterized in that: The extension length of the front section of the first light curtain area is the length of the packaging bag.

4. The method for preventing overlapping of packaging bags according to claim 3, characterized in that: The extension length of the second light curtain area is not less than 2.5 times the length of the packaging bag.

5. The method for preventing overlapping of packaging bags according to claim 4, characterized in that: The extension length of the front section of the second light curtain area is the length of the packaging bag.

6. The method for preventing overlapping of packaging bags according to claim 5, characterized in that: The main conveying line, the first conveying line and the second conveying line are all roller conveying lines.

7. The method for preventing overlapping of packaging bags according to claim 6, characterized in that: Among the three rollers in the first conveyor line and adjacent to the front side of the first baffle, the first roller through which the packaging bag passes first is treated with anti-slip treatment, while the second and third rollers through which the packaging bag passes later are not treated with anti-slip treatment; and the distance between the first roller and the first baffle is less than the length of the packaging bag.

8. The method for preventing overlapping of packaging bags according to claim 7, characterized in that: The three rollers in the second conveyor line and adjacent to the front side of the second baffle are treated with anti-slip treatment on the first roller through which the packaging bag passes first, while the second and third rollers through which the packaging bag passes later are not treated with anti-slip treatment; and the distance between the first roller and the second baffle is less than the length of the packaging bag.

9. The method for preventing overlapping of packaging bags according to claim 8, characterized in that: The front section of the first light curtain area and the front section of the second light curtain area have the same extension length; the rear section of the first light curtain area and the rear section of the second light curtain area have the same extension length.

Images