Fully automatic winding welding machine for woven bags with inner liner

Abstract

The present invention discloses a fully automatic winding welding unit for liner woven bags, wherein a conveying and loading system conveys the liner woven bag to a clamping belt station; an liner and outer bag edge pre-welding system aligns the liner and outer bag of the woven bag and then welds them; a folding edge winding pre-pressing system performs inner folding edge winding on the liner woven bag and completes downward pressure; a bag support overall welding system supports the woven bag liner and the woven bag outer bag until they are tightly fitted and complete overall welding; a material collection system collects the liner woven bag into a finished product collection device to realize the collection of the liner woven bag. Through the technical solution of the present invention, the automatic process of the liner woven bag edge pre-welding, folding edge winding pre-pressing, bag support overall welding and material collection is realized, with a high degree of automation, no manual participation is required for the entire process, accurate positioning, stable product quality, and improved product yield.

Description

Technical Field

[0001] The invention relates to the technical field of packaging, and in particular to a full-automatic winding welding machine unit for liner woven bags. Background Art

[0002] At present, the traditional woven bag with liner packaging includes a woven bag liner and a woven bag outer bag. The liner is usually slightly longer than the outer bag by about 3 to 5 cm due to packaging needs. Before the finished packaging woven bag is used, it is manually operated through ultrasonic welding to combine the liner and the outer bag together. This process is all completed manually. First of all, the liner and the outer bag are generally aligned manually. The liner is manually opened, and then the alignment work is completed by human eye judgment; secondly, the inner folding edge of the bag mouth is manually completed, and the folding edge bag mouth is manually pressed; finally, the ultrasonic bag mouth welding work is completed while the bag mouth is manually pressed. This process is completed by manual intervention throughout the process, which is very likely to cause uneven quality at the interface between the liner and the outer bag of the finished packaging woven bag, low finished product rate, and low manual production capacity; secondly, during the welding process, manual feeding and manual clamping are required, which will have certain safety hazards; in addition, the operator's skill proficiency and mood have a great impact on the quality of the product, and the poor stability of product quality will also have a great impact on the economic benefits of the enterprise. Summary of the invention

[0003] In response to at least one of the above problems, the present invention provides a fully automatic winding welding unit for an inner liner woven bag, which completes the automatic process of edge pre-welding, folding and winding pre-pressing, overall welding of the bag and blanking collection of the inner liner woven bag through the entire automatic conveying and loading system, the inner liner and outer bag edge pre-welding system, the folding and winding pre-pressing system, the bag overall welding system and the blanking collection system. The unit has a high degree of automation, does not require manual participation in the entire process, and has accurate positioning. The product quality is stable, which improves the product yield.

[0004] To achieve the above-mentioned purpose, the present invention provides a fully automatic winding welding unit for liner woven bags, comprising: a conveying and feeding system, an liner and outer bag edge pre-welding system, a folding and winding pre-pressing system, a bag support overall welding system and a blanking and collecting system; the conveying and feeding system comprises a conveying belt, a conveying cylinder, a suction cup cylinder and a feeding suction cup, the conveying belt conveys the liner woven bag, the conveying cylinder is arranged along the transportation direction of the conveying belt, the suction cup cylinder is vertically installed at the active end of the conveying cylinder, and the feeding suction cup is installed at the active end of the suction cup cylinder, when the liner woven bag is conveyed to a preset position by the conveying belt, the suction cup cylinder drives the feeding suction cup to suck up the liner woven bag, and the liner woven bag is sucked up by the conveying cylinder. The inner liner and outer bag are grabbed to the clamping belt station under the drive of the cylinder; the inner liner and outer bag edge pre-welding system includes a suction covering component, an ultrasonic spot welding machine, a first linear guide slider and an air suction plate, the suction covering component includes two sets of upper and lower suction cups, suction plates and suction covering cylinders, the suction cups and the suction plates adsorb the woven bag inner liner and the woven bag outer bag of the inner liner woven bag transported to the clamping belt station by the conveying and feeding system, the suction covering cylinder drives the upper and lower sets of the suction cups and the suction plates to move to open the woven bag inner liner and the woven bag outer bag, the air suction plate is installed on the first linear guide slider, the first linear guide slider drives the air suction plate to move into the woven bag inner liner, the air suction plate sucks air while the suction cup stops adsorbing, so that the woven bag The bag liner is adsorbed on the suction plate, and the first linear guide slider continues to move to a position where the outer edge of the woven bag liner is flush with the outer edge of the woven bag outer bag, and the ultrasonic spot welder welds the aligned woven bag outer bag and the woven bag liner; the folding edge winding pre-pressing system includes an inner folding edge winding component and a pre-pressing component, and the inner folding edge winding component performs inner folding edge winding on the liner woven bag transported to the station by the conveyor belt, and the pre-pressing component completes the downward pressure on the bag mouth after folding; the bag support overall welding system includes an ultrasonic welding component, a support block component, an air suction component and a second linear guide slider, and the air suction component punches the bag mouth of the packaging woven bag transported to the station by the conveyor belt Open, the second linear guide slider drives the support block assembly as a whole to enter the preset position of the packaging woven bag, the left support block and the right support block of the support block assembly prop up the woven bag inner liner and the woven bag outer bag of the packaging woven bag until they are tightly fitted, and the ultrasonic welding assembly completes the overall welding of the woven bag inner liner and the woven bag outer bag; the unloading and collecting system includes a feeding mechanism, a feeding cylinder, a bearing seat and a finished product collecting device, the feeding mechanism is connected to the feeding cylinder through a connecting rod, and the liner woven bag after overall welding is transported to the workstation, and the feeding mechanism rotates under the drive of the feeding cylinder to knock the liner woven bag into the finished product collecting device to realize the collection of the liner woven bag.

[0005] In the above technical solution, preferably, the bearing seat is installed on the end edge of the conveying line of the inner liner woven bag, the connecting rod is installed on the bearing seat, the feeding mechanism is fixed on the connecting rod, the connecting rod is connected to the feeding cylinder, the feeding cylinder drives the connecting rod to rotate, and the feeding mechanism rotates under the drive of the connecting rod, and the feeding mechanism knocks the inner liner woven bag output at the end of the conveying line to the finished product collection device.

[0006] In the above technical solution, preferably, after the inner folding edge winding assembly performs inner folding edge winding on the inner liner woven bag, the inner folding edge winding assembly detaches from the bag mouth of the inner liner woven bag. At this time, the pre-pressing assembly completes the downward pressing action on the folded inner liner woven bag driven by the pre-pressing cylinder.

[0007] In the above technical solution, preferably, the first linear guide slider drives the air suction plate to move to the first position, and the suction cup stops the adsorption action while the air suction plate absorbs air, so that the woven bag liner is adsorbed on the air suction plate, and the first linear guide slider drives the air suction plate to move to the second position so that the outer edge of the woven bag liner is aligned with the outer edge of the woven bag outer bag, and the upper and lower sets of ultrasonic spot welding machines move toward the middle liner woven bag driven by the cylinder and the linear bearing, and respectively weld the bag openings of the woven bag outer bag and the woven bag liner on the upper and lower sides together.

[0008] Compared with the prior art, the beneficial effects of the present invention are as follows: through the entire automatic conveying and feeding system, the liner and outer bag edge pre-welding system, the folding and winding pre-pressing system, the bag support overall welding system and the material collection system, the automatic process of the liner woven bag edge pre-welding, folding and winding pre-pressing, bag support overall welding and material collection is completed, the degree of automation is high, the whole process does not require manual participation, the positioning is accurate, the product quality is stable, and the product yield is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is a schematic diagram of the overall structure of a fully automatic winding welding machine unit for liner woven bags disclosed in one embodiment of the present invention;

[0010] Figure 2 A schematic diagram of the structure of a conveying and feeding system disclosed in an embodiment of the present invention;

[0011] Figure 3 It is a structural schematic diagram of an inner liner and outer bag edge pre-welding system disclosed in an embodiment of the present invention;

[0012] Figure 4 It is a structural schematic diagram of a folding edge pre-pressing system disclosed in an embodiment of the present invention;

[0013] Figure 5 It is a structural schematic diagram of a bag support integral welding system disclosed in an embodiment of the present invention;

[0014] Figure 6 The present invention is a schematic structural diagram of a material collection system disclosed in an embodiment of the present invention.

[0015] In the figure, the corresponding relationship between each component and the reference numeral is as follows:

[0016] 1. Conveying and feeding system, 11. Conveying belt, 12. Conveying cylinder, 13. Suction cup cylinder, 14. Feeding suction cup, 2. Inner liner and outer bag edge pre-welding system, 21. Suction covering component, 211. Suction cup, 212. Suction plate, 213. Suction covering cylinder, 22. Ultrasonic spot welding machine, 23. First linear guide slider, 24. Suction plate, 3. Folding edge winding pre-pressing system, 31. Inner folding edge winding component, 32. Pre-pressing component, 33. Pre-pressing cylinder, 4. Bag support overall welding system, 41. Ultrasonic welding component, 42. Support block component, 43. Suction component, 44. Second linear guide slider, 5. Unloading and collecting system, 51. Feeding mechanism, 52. Feeding cylinder, 53. Bearing seat, 54. Finished product collection device, 55. Connecting rod, 6. Inner liner woven bag. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] The present invention is further described in detail below in conjunction with the accompanying drawings:

[0019] like Figures 1 to 6As shown, a fully automatic winding welding unit for liner woven bags provided according to the present invention comprises: a conveying and feeding system 1, an liner and outer bag edge pre-welding system 2, a folding and winding pre-pressing system 3, a bag support integral welding system 4 and a material collection system 5; the conveying and feeding system 1 comprises a conveying belt 11, a conveying cylinder 12, a suction cup cylinder 13 and a feeding suction cup 14, the conveying belt 11 conveys the liner woven bag 6, the conveying cylinder 12 is arranged along the transportation direction of the conveying belt 11, the suction cup cylinder 13 is vertically installed at the active end of the conveying cylinder 12, and the feeding suction cup 14 is installed at the active end of the suction cup cylinder 13, when the liner woven bag 6 is conveyed to a preset position by the conveying belt 11, the suction cup cylinder 13 drives the feeding suction cup 14 to suck up the liner woven bag 6, and sucks up the liner woven bag 6 at the conveying cylinder 12 The liner and outer bag are driven by the conveying belt station; the liner and outer bag edge pre-welding system 2 includes a suction assembly 21, an ultrasonic spot welder 22, a first linear guide slider 23 and an air suction plate 24. The suction assembly 21 includes two sets of suction cups 211, a suction plate 212 and a suction cylinder 212. The suction cups 211 and the suction plate 212 adsorb the woven bag liner and the woven bag outer bag of the liner woven bag 6 transported to the clamping belt station by the conveying feeding system 1. The suction cylinder 213 drives the upper and lower sets of suction cups 211 and the suction plate 212 to move to open the woven bag liner and the woven bag outer bag. The air suction plate 24 is installed on the first linear guide slider 23. The first linear guide slider 23 drives the air suction plate 24 to move into the woven bag liner. The air suction plate 24 sucks air while the suction cup 211 stops sucking Attached, at this time, the suction plate 212 maintains adsorption, so that the woven bag liner is adsorbed on the suction plate 24, and the first linear guide slider 23 continues to move to the position where the outer edge of the woven bag liner is flush with the outer edge of the woven bag outer bag, and the ultrasonic spot welder 22 welds the aligned woven bag outer bag and the woven bag liner; the folding edge winding pre-pressing system 3 includes an inner folding edge winding component 31 and a pre-pressing component 32, the inner folding edge winding component 31 performs inner folding edge winding on the liner woven bag 6 transported to the station by the conveyor belt 11, and the pre-pressing component 32 completes the downward pressure on the bag mouth after folding; the bag support overall welding system 4 includes an ultrasonic welding component 41, a support block component 42, a suction component 43 and a second linear guide slider 44, the suction component 43 transports the conveyor belt 11 to the inner liner of the station The bag mouth of the liner woven bag 6 is opened, and the second linear guide slider 44 drives the support block assembly 42 to enter the preset position of the inner liner woven bag 6 as a whole. The left support block and the right support block of the support block assembly 42 support the woven bag inner liner and the woven bag outer bag of the inner liner woven bag 6 until they are tightly fitted, and the ultrasonic welding assembly 41 completes the overall welding of the woven bag inner liner and the woven bag outer bag; the unloading and collecting system 5 includes a feeding mechanism 51, a feeding cylinder 52, a bearing seat 53 and a finished product collecting device 54. The feeding mechanism 51 is connected to the feeding cylinder 52 through a connecting rod 55. The inner liner woven bag 6 after overall welding is transported to the workstation, and the feeding mechanism 51 is driven by the feeding cylinder 52 to rotate to knock the inner liner woven bag 6 into the finished product collecting device 54 to realize the collection of the inner liner woven bag 6.

[0020] In this embodiment, the entire unit is divided into five processes. The first process is the conveying and loading system 1. The inner liner woven bags 6 are stacked together in a certain number on the conveyor line and transported forward by the conveyor belt 11. When it reaches the loading station, the conveyor belt 11 stops conveying and the loading suction cup 14 completes the adsorption action of the inner liner woven bag 6 and then moves to the loading station to complete the loading process; the second process is the inner liner and outer bag edge pre-welding system 2. When the inner liner woven bag 6 is automatically fed and reaches the position of the station through the clamping belt, the positioning and bag opening process of the inner liner woven bag 6 is first completed by the suction covering component 21, and then the suction plate 24 is moved by the first linear guide slider 23 to complete the bag opening alignment and positioning of the woven bag inner liner and the woven bag outer bag, and finally the preliminary positioning pre-welding process is completed by ultrasonic spot welding of the woven bag inner liner and the woven bag outer bag; the third process is the folding and winding pre-pressing system 3. When the inner liner woven bag 6 that has completed the pre-welding process reaches the station through the clamping belt When the bag is in the working position, the suction cup is used to open the bag mouth first, and then the inner folding process of the bag mouth is completed by the inner folding winding components 31 on both sides, and finally the pre-pressing action after the bag mouth is folded is completed by the pressing cylinder to drive the pre-pressing component 32; the fourth process is the bag support overall welding system 4. After the folding pre-pressing process is completed, the inner liner woven bag 6 is transported to the working position by the positioning and clamping conveyor belt 11. First, the support block component 42 enters the woven bag liner and uses the support block to complete the opening action to ensure that the woven bag liner and the woven bag outer bag are completely fitted, and then the welding of the woven bag liner and the woven bag outer bag is completed by ultrasonic overall welding; the fifth process is the unloading and collecting system 5. After the previous overall welding process is completed, it is transported to the working position by the positioning and clamping conveyor belt 11. At this time, the material punching mechanism 51 completes the unloading and unloading of the inner liner woven bag 6 from the conveyor belt 11 to the finished product collection device 54, and can be neatly stacked according to a certain quantity. When a certain number of stacks are stacked, the collection conveyor belt of the finished product collection device 54 moves a distance of a woven bag and continues to wait for the collection of the next stack. The whole process of folding the edge of the woven bag 6, wrapping the mouth, supporting the bag, welding, etc., is all completed automatically by the unit, with a high degree of automation, no manual participation in the whole process, accurate positioning, stable product quality, greatly improving the yield rate, and effectively improving the economic benefits of the enterprise.

[0021] like Figure 6 As shown, in the above embodiment, preferably, the bearing seat 53 is installed at the end edge of the conveying line of the inner liner woven bag 6, the connecting rod 55 is installed on the bearing seat 53, the feeding mechanism 51 is fixed on the connecting rod 55, the connecting rod 55 is connected to the feeding cylinder 52, the feeding cylinder 52 drives the connecting rod 55 to rotate, and the feeding mechanism 51 rotates under the drive of the connecting rod 55, and the feeding mechanism 51 knocks the inner liner woven bag 6 output at the end of the conveying line to the finished product collection device 54.

[0022] like Figure 4 As shown, in the above embodiment, preferably, after the inner folding edge winding component 31 performs inner folding edge winding on the inner liner woven bag 6, the inner folding edge winding component 31 is separated from the bag mouth of the inner liner woven bag 6. At this time, the pre-pressing component 32, driven by the pre-pressing cylinder, completes the downward pressing action on the folded inner liner woven bag 6 to ensure that the bag mouth is neat and not easy to bounce and deform. The pre-pressing improves the stability of the overall welding in the next process.

[0023] like Figure 3 As shown, in the above embodiment, preferably, when the woven bag is in place, first, the suction cover assembly 21 completes the suction and opening action of the outer woven bag, and the upper and lower suction cups complete the suction and opening action of the inner liner. Secondly, the air suction plate 24 is driven by the first linear guide slider 23 to move to the first position. While the air suction plate 24 sucks air, the suction cup stops the suction action, so that the woven bag liner is adsorbed on the air suction plate 24. The first linear guide slider 23 drives the air suction plate 24 to move to the second position so that the outer edge of the woven bag liner is aligned with the outer edge of the woven bag outer bag. The ultrasonic spot welder 22 is divided into two groups, upper and lower, each group includes 4 ultrasonic spot welders 22. The upper group of ultrasonic spot welders 22 completes the spot welding of the woven bag upper surface liner and outer bag; the lower group of ultrasonic spot welders 22 simultaneously completes the spot welding of the woven bag liner and outer bag on the lower surface, thereby completing the pre-welding process of the entire woven bag. After all the actions are completed, the alignment and pre-welding process of the woven bag inner liner and the outer bag is completed. At this time, the entire mechanism returns to its original initial state through the cylinder, making it convenient for the inner liner woven bag 6 to flow to the next process through the clamping conveyor belt 11.

[0024] like Figure 5 As shown, in the above embodiment, the opening action of the inner liner woven bag 6 is completed by the suction assembly 43, and the cylinder drives the second linear guide slider 44 to move forward, driving the support block assembly 42 to be inserted into the inner liner woven bag 6. The support block assembly 42 includes a left support block, a right support block and a mold block. There is no gap between the left support block, the right support block and the mold block during the support process, which can ensure the flatness of subsequent ultrasonic welding. When the support block assembly 42 moves to the preset position, the left support block and the right support block completely support the bag opening size of the woven bag liner, so that the woven bag liner and the woven bag outer bag can fit perfectly. After the woven bag liner and the woven bag outer bag are fitted, they are fitted with a set of support block plates to facilitate the next overall ultrasonic welding process. The upper group of ultrasonic welding components 41 completes the welding of the upper surface of the woven bag liner and the upper surface of the woven bag outer bag; the lower group of ultrasonic welding components 41 completes the welding of the lower surface of the woven bag liner and the lower surface of the woven bag outer bag. At this time, except for the position of the thickness size of the side of the support plate, the rest of the parts are perfectly fitted and the overall welding is completed.

[0025] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A fully automatic winding welding machine for liner woven bags, characterized in that: include: Conveying and feeding system, liner and outer bag edge pre-welding system, folding and winding pre-pressing system, bag support overall welding system and material collection system; The conveying and feeding system comprises a conveying belt, a conveying cylinder, a suction cup cylinder and a feeding suction cup. The conveying belt conveys the liner woven bag. The conveying cylinder is arranged along the transport direction of the conveying belt. The suction cup cylinder is vertically installed at the movable end of the conveying cylinder. The feeding suction cup is installed at the movable end of the suction cup cylinder. When the liner woven bag is conveyed to a preset position by the conveying belt, the suction cup cylinder drives the feeding suction cup to suck up the liner woven bag, and grabs it to the clamping belt station under the drive of the conveying cylinder. The lining pre-welding system for the inner liner and outer bag comprises a suction covering component, an ultrasonic spot welding machine, a first linear guide slider and an air suction plate, the suction covering component comprises two sets of upper and lower suction cups, suction plates and suction covering cylinders, the suction cups and suction plates adsorb the woven bag inner liner and the woven bag outer bag of the inner liner woven bag transported to the clamping belt station by the conveying and feeding system, the suction covering cylinder drives the upper and lower sets of the suction cups and the suction plates to move to open the woven bag inner liner and the woven bag outer bag, the air suction plate is installed on the first linear guide slider, the first linear guide slider drives the air suction plate to move into the woven bag inner liner, the air suction plate sucks air while the suction cup stops adsorbing, so that the woven bag inner liner is adsorbed on the air suction plate, the first linear guide slider continues to move to a position where the outer edge of the woven bag inner liner is flush with the outer edge of the woven bag outer bag, and the ultrasonic spot welding machine welds the aligned woven bag outer bag and the woven bag inner liner; The hem-folding pre-pressing system comprises an inner hem-folding assembly and a pre-pressing assembly. The inner hem-folding assembly performs inner hem-folding on the inner liner woven bag conveyed to the station by the conveyor belt, and the pre-pressing assembly performs downward pressure on the bag mouth after hem-folding. The bag support integral welding system comprises an ultrasonic welding assembly, a support block assembly, an air suction assembly and a second linear guide slider, wherein the air suction assembly opens the bag mouth of the packaging woven bag conveyed to the workstation by the conveyor belt, and the second linear guide slider drives the support block assembly as a whole to enter the preset position of the packaging woven bag, and the left support block and the right support block of the support block assembly support the woven bag inner liner and the woven bag outer bag of the packaging woven bag until they are tightly fitted, and the ultrasonic welding assembly completes the integral welding of the woven bag inner liner and the woven bag outer bag; The material unloading and collecting system includes a feeding mechanism, a feeding cylinder, a bearing seat and a finished product collecting device. The feeding mechanism is connected to the feeding cylinder through a connecting rod. The inner liner woven bag after integral welding is transported to the workstation. The feeding mechanism rotates under the drive of the feeding cylinder to knock the inner liner woven bag into the finished product collecting device, thereby realizing the collection of the inner liner woven bag.

2. The fully automatic winding welding machine for liner woven bags according to claim 1 is characterized in that: The bearing seat is installed on the end edge of the conveying line of the liner woven bag, the connecting rod is installed on the bearing seat, the material beating mechanism is fixed on the connecting rod, the connecting rod is connected to the material beating cylinder, the material beating cylinder drives the connecting rod to rotate, and the material beating mechanism rotates under the drive of the connecting rod, and the material beating mechanism knocks the liner woven bag output from the end of the conveying line to the finished product collection device.

3. The fully automatic winding welding machine for liner woven bags according to claim 1 is characterized in that: After the inner folding edge winding assembly performs inner folding edge winding on the inner liner woven bag, the inner folding edge winding assembly is separated from the bag mouth of the inner liner woven bag. At this time, the pre-pressing assembly completes the downward pressing action on the folded inner liner woven bag driven by the pre-pressing cylinder.

4. The fully automatic winding welding machine for liner woven bags according to claim 1 is characterized in that: The first linear guide slider drives the air suction plate to move to the first position, and the suction cup stops the adsorption action while the air suction plate absorbs air, so that the woven bag liner is adsorbed on the air suction plate, and the first linear guide slider drives the air suction plate to move to the second position so that the outer edge of the woven bag liner is aligned with the outer edge of the woven bag outer bag, and the upper and lower sets of ultrasonic spot welding machines move toward the middle liner woven bag driven by the cylinder and the linear bearing, and respectively weld the bag openings of the woven bag outer bag and the woven bag liner on the upper and lower sides together.

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