Fully automatic inner liner woven bag inner folding edge winding pre-welding device

Abstract

The present invention discloses a fully automatic inner liner woven bag inner folding edge winding pre-welding device, wherein the upper suction covering component includes an upper guide rod cylinder, an upper suction plate and an upper suction cup, the lower suction covering component includes a lower guide rod cylinder, a lower suction plate and a lower suction cup, the air suction positioning component includes an air suction plate, a linear guide slider, a double-position cylinder and a mounting bracket, the ultrasonic spot welding component includes upper and lower groups of ultrasonic spot welding machines, cylinders, linear bearings and guide rods, the packaging woven bag includes a woven bag outer bag and a woven bag liner, the upper suction covering component and the lower suction covering component respectively move toward each other and move in reverse, the air suction plate moves toward the woven bag liner along the linear guide slider driven by the double-position cylinder, and the upper and lower groups of ultrasonic spot welding machines move toward each other and complete spot welding of the packaging woven bag. Through the technical solution of the present invention, the unqualified rate is greatly reduced, and the automation degree is high, the positioning is accurate, and the yield rate and welding efficiency are greatly improved.

Description

Technical Field

[0001] The invention relates to the technical field of welding devices, and in particular to a fully automatic inner folding edge winding pre-welding device for an inner liner woven bag. Background Art

[0002] At present, the traditional packaging woven bag includes a woven bag liner and a woven bag outer bag. The liner is usually slightly longer than the outer bag by about 5cm due to packaging needs. The finished packaging woven bag is directly welded as a whole by ultrasonic wave, so that the liner and the outer bag are neatly combined. Before welding, the liner and the outer bag are generally aligned manually, and the edges are folded and then welded, which can easily cause the interface between the liner and the outer bag of the finished packaging woven bag to be uneven, the finished product rate is low, and the manual production capacity is also relatively low, which greatly affects 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 inner liner woven bag inner folding and winding pre-welding device. After the woven bag is conveyed to the designated workstation, the woven bag outer bag and the woven bag inner liner are respectively adsorbed and opened by a suction cup assembly. The woven bag inner liner is adsorbed by a suction positioning assembly and then moved a preset distance so that the edge of the woven bag inner liner is aligned with the edge of the woven bag outer bag. Then, the woven bag inner liner and the woven bag outer bag are welded by an ultrasonic spot welding assembly, which facilitates subsequent overall welding and greatly reduces the unqualified rate. It has a high degree of automation, does not require manual participation, and has accurate positioning, which greatly improves the yield and welding efficiency.

[0004] To achieve the above-mentioned purpose, the present invention provides a fully automatic inner liner woven bag inner folding and winding pre-welding device, comprising: a suction cup assembly, a suction positioning assembly, an ultrasonic spot welding assembly and a frame; the suction cup assembly comprises an upper suction covering assembly and a lower suction covering assembly, the upper suction covering assembly is installed on the upper fixing plate of the frame, and the lower suction covering assembly is installed on the lower fixing plate of the frame, the upper suction covering assembly comprises an upper guide rod cylinder, an upper suction plate and an upper suction cup, the upper suction cup is arranged at the front end, and the upper suction plate is arranged at the rear end, the lower suction covering assembly comprises a lower guide rod cylinder, a lower suction plate and a lower suction cup, the lower suction cup is arranged at the front end, the lower suction plate is arranged at the rear end, and the upper suction plate and the lower suction plate are arranged relative to each other The upper suction cup and the lower suction cup are arranged opposite to each other; the suction positioning assembly includes a suction plate, a linear guide slider, a dual-position cylinder and a mounting bracket, the suction plate is connected to the output end of the dual-position cylinder through a mounting plate, the mounting plate is fixed to the slider of the linear guide slider, the dual-position cylinder is fixed to the mounting bracket, and the mounting bracket is mounted on the lower fixed plate of the frame; the ultrasonic spot welding assembly includes upper and lower groups of ultrasonic spot welders, cylinders, linear bearings and guide rods, the ultrasonic spot welder is connected to the guide rod through a welding machine mounting plate, the guide rod is sleeved in the linear bearing, the linear bearing is mounted on the frame and connected to the cylinder The packaging woven bag comprises an outer woven bag and an inner woven bag, the inner woven bag is sleeved in the outer woven bag and the length of the inner woven bag is greater than the outer woven bag, the packaging woven bag is conveyed between the upper suction and covering assembly and the lower suction and covering assembly, the upper suction cup and the upper suction plate as well as the lower suction cup and the lower suction plate are respectively driven by the upper guide rod cylinder and the lower guide rod cylinder to move toward each other, so that the upper suction cup and the lower suction cup are respectively attached to the upper and lower surfaces of the inner woven bag, the upper suction plate and the lower suction plate are respectively attached to the upper and lower surfaces of the outer woven bag, and after the attachment is completed, the upper suction cup and the upper suction plate as well as the lower suction cup and the lower suction plate are respectively attached to the upper and lower surfaces of the outer woven bag. The plates move backwards under the drive of the upper guide rod cylinder and the lower guide rod cylinder respectively, so that the outer bag of the woven bag and the inner liner of the woven bag are opened synchronously; after the outer bag of the woven bag and the inner liner of the woven bag are opened, the suction plate moves toward the inner liner of the woven bag to the first position along the linear guide slider under the drive of the double-position cylinder, so that the suction plate is inserted into the inner liner of the woven bag, and the suction plate sucks air inwardly so that the inner liner of the woven bag is adsorbed on the suction plate, and at the same time, the upper suction cup and the lower suction cup stop adsorbing, and the suction plate drives the inner liner of the woven bag to move to the second position, so that the outer edge of the inner liner of the woven bag is aligned with the outer edge of the outer bag of the woven bag;After the outer edge of the woven bag inner liner is aligned with the outer edge of the woven bag outer bag, the upper and lower groups of ultrasonic spot welders move toward each other under the drive of the cylinder and the transmission of the linear bearing and the guide rod to complete the ultrasonic spot welding between the woven bag outer bag and the woven bag inner liner. ;

[0005] In the above technical scheme, preferably, the upper suction covering assembly includes multiple groups of upper suction cups, multiple groups of upper suction cups are fixed to the front end of the upper suction cup mounting plate, and the upper suction plate is fixed to the rear end of the upper suction cup mounting plate; the lower suction covering assembly includes multiple groups of lower suction cups, multiple groups of lower suction cups are fixed to the front end of the lower suction cup mounting plate, and the lower suction plate is fixed to the rear end of the lower suction cup mounting plate; the upper suction cup mounting plate is fixed to the movable end of the upper guide rod cylinder, the upper guide rod cylinder is installed on the upper fixed plate of the frame, the lower suction cup mounting plate is fixed to the movable end of the lower guide rod cylinder, and the lower guide rod cylinder is installed on the lower fixed plate of the frame.

[0006] In the above technical solution, preferably, each group includes a plurality of the ultrasonic spot welders, the ultrasonic spot welders of the upper group move downward to weld the upper surface of the woven bag outer bag and the upper surface of the woven bag inner liner together, and the ultrasonic spot welders of the lower group move upward to weld the lower surface of the woven bag outer bag and the lower surface of the woven bag inner liner together.

[0007] Compared with the prior art, the beneficial effects of the present invention are as follows: after the woven bag is transported to the designated workstation, the outer bag and the inner liner of the woven bag are respectively adsorbed and opened by the suction cup assembly, and the inner liner of the woven bag is adsorbed by the suction positioning assembly and then moved a preset distance so that the edge of the inner liner of the woven bag is aligned with the edge of the outer bag of the woven bag, and then the inner liner of the woven bag and the outer bag of the woven bag are welded by the ultrasonic spot welding assembly, which facilitates subsequent overall welding and greatly reduces the unqualified rate. It has a high degree of automation, does not require manual participation, and has accurate positioning, which greatly improves the yield rate and welding efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1 It is a schematic diagram of the three-dimensional structure of a fully automatic inner liner woven bag inner folding edge winding pre-welding device disclosed in an embodiment of the present invention;

[0009] Figure 2 It is a side structural schematic diagram of a fully automatic inner liner woven bag inner folding edge winding pre-welding device disclosed in an embodiment of the present invention;

[0010] Figure 3 A schematic diagram of the three-dimensional structure of a suction cup assembly disclosed in an embodiment of the present invention;

[0011] Figure 4A schematic side structural diagram of a suction cup assembly disclosed in an embodiment of the present invention;

[0012] Figure 5 A schematic diagram of the three-dimensional structure of an air suction positioning assembly disclosed in an embodiment of the present invention;

[0013] Figure 6 A schematic diagram of the side structure of an air suction positioning assembly disclosed in an embodiment of the present invention;

[0014] Figure 7 A schematic diagram of the three-dimensional structure of an ultrasonic spot welding assembly disclosed in an embodiment of the present invention;

[0015] Figure 8 The figure is a schematic side structural view of an ultrasonic spot welding assembly disclosed in one embodiment of the present invention.

[0016] In the figure, the corresponding relationship between each component and the reference numeral is as follows:

[0017] 1. Suction cup assembly, 11. Upper suction covering assembly, 111. Upper guide rod cylinder, 112. Upper suction cup, 113. Upper suction cup mounting plate, 114. Upper suction plate, 12. Lower suction covering assembly, 121. Lower guide rod cylinder, 122. Lower suction cup, 123. Lower suction cup mounting plate, 124. Lower suction plate, 2. Suction positioning assembly, 21. Suction plate, 22. Linear guide slider, 221. Slider, 23. Two-position cylinder, 24. Mounting bracket, 25. Mounting plate, 3. Ultrasonic spot welding assembly, 31. Ultrasonic spot welding machine, 32. Cylinder, 33. Linear bearing, 34. Guide rod, 35. Welding machine mounting plate, 4. Frame, 41. Upper fixing plate, 42. Lower fixing plate, 51. Woven bag outer bag, 52. Woven bag liner. DETAILED DESCRIPTION

[0018] 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.

[0019] The present invention is further described in detail below in conjunction with the accompanying drawings:

[0020] like Figure 1 and Figure 2As shown, a fully automatic inner liner woven bag inner folding and winding pre-welding device provided by the present invention includes: a suction cup assembly 1, a suction positioning assembly 2, an ultrasonic spot welding assembly 3 and a frame 4; the suction cup assembly 1 includes an upper suction covering assembly 11 and a lower suction covering assembly 12, the upper suction covering assembly 11 is installed on the upper fixing plate 41 of the frame 4, and the lower suction covering assembly 12 is installed on the lower fixing plate 42 of the frame 4, the upper suction covering assembly 11 includes an upper guide rod cylinder 111, an upper suction plate 114 and an upper suction cup 112, the upper suction cup 112 is arranged at the front end, and the upper suction plate 114 is arranged at the rear end, the lower suction covering assembly 12 includes a lower guide rod cylinder 121, a lower suction plate 124 and a lower suction cup 122, the lower suction cup 122 is arranged at the front end, the lower suction plate 124 is arranged at the rear end, and the upper suction plate 114 and the lower suction plate 124 are arranged oppositely, and the upper suction cup 112 and the lower suction cup 122 are arranged oppositely; the suction positioning assembly 2 includes a suction plate 21, a linear guide slider 22, a two-position cylinder 23 and a mounting bracket 24, the suction plate 21 is connected to the output end of the two-position cylinder 23 through a mounting plate 25, the mounting plate 25 is fixed on the slider 221 of the linear guide slider 22, the two-position cylinder 23 is fixed on the mounting bracket 24, and the mounting bracket 24 is installed on the lower fixed plate 42 of the frame 4; the ultrasonic spot welding assembly 3 includes an upper and lower group of ultrasonic spot welders 31, a cylinder 32, a linear bearing 33 and a guide rod 34, the ultrasonic spot welder 31 is connected to the guide rod 34 through the welding machine mounting plate 25, and the guide rod 34 is sleeved in the linear bearing 33 , the linear bearing 33 is installed on the frame 4 and connected to the cylinder 32; the packaging woven bag includes a woven bag outer bag 51 and a woven bag liner 52, the woven bag liner 52 is sleeved in the woven bag outer bag 51 and the length of the woven bag liner 52 is greater than the woven bag outer bag 51, the packaging woven bag is transported between the upper suction and covering assembly 11 and the lower suction and covering assembly 12, the upper suction cup 112 and the upper suction plate 114 and the lower suction cup 122 and the lower suction plate 124 are respectively driven by the upper guide rod cylinder 111 and the lower guide rod cylinder 121 to move toward each other, so that the upper suction cup 112 and the lower suction cup 122 are respectively attached to the upper and lower surfaces of the woven bag liner 52, the upper suction plate 114 and the lower suction plate 124 are respectively attached to the upper and lower surfaces of the woven bag outer bag 51, and after the attachment is completed, the upper suction cup 112 and the upper suction plate 114 as well as the lower suction cup 122 and the lower suction plate 124 are driven by the upper guide rod cylinder 111 and the lower guide rod cylinder 121 to move in opposite directions, so that the outer bag 51 of the woven bag and the inner liner 52 of the woven bag are opened synchronously; after the outer bag 51 of the woven bag and the inner liner 52 of the woven bag are opened, the suction plate 21 moves toward the inner liner 52 of the woven bag along the linear guide slider 22 under the drive of the double-position cylinder 23, so that the suction plate 21 is inserted into the inner liner 52 of the woven bag, and the suction plate 21 sucks air inwardly so that the inner liner 52 of the woven bag is adsorbed on the suction plate 21, and at the same time, the upper suction cup 112 and the lower suction cup 122 stop adsorbing, and the suction plate 21 drives the inner liner 52 of the woven bag to move so that the outer edge of the inner liner 52 of the woven bag is aligned with the outer edge of the outer bag 51 of the woven bag;After the outer edge of the woven bag liner 52 is aligned with the outer edge of the woven bag outer bag 51, the upper and lower groups of ultrasonic spot welders 31 move toward each other under the drive of the cylinder 32 and the transmission of the linear bearing 33 and the guide rod 34 to complete the ultrasonic spot welding between the woven bag outer bag 51 and the woven bag liner 52.

[0021] like Figure 3 and Figure 4 As shown, in the above embodiment, preferably, the upper suction covering assembly 11 includes multiple groups of upper suction cups 112, the multiple groups of upper suction cups 112 are fixed to the front end of the upper suction cup mounting plate 113, and the upper suction plate 114 is fixed to the rear end of the upper suction cup mounting plate 113; the lower suction covering assembly 12 includes multiple groups of lower suction cups 122, the multiple groups of lower suction cups 122 are fixed to the front end of the lower suction cup mounting plate 123, and the lower suction plate 124 is fixed to the rear end of the lower suction cup mounting plate 123; the upper suction cup mounting plate 113 is fixed to the movable end of the upper guide rod cylinder 111, the upper guide rod cylinder 111 is installed on the upper fixed plate 41 of the frame 4, the lower suction cup mounting plate 123 is fixed to the movable end of the lower guide rod cylinder 121, and the lower guide rod cylinder 121 is installed on the lower fixed plate 42 of the frame 4. Preferably, the upper suction assembly 11 includes 4 upper suction cups 112, 1 upper suction plate 114 and 1 upper guide rod cylinder 111. The 4 upper suction cups 112 and 1 upper suction plate 114 are fixed on the upper suction cup mounting plate 113. The upper guide rod cylinder 111 is connected to the upper suction cup mounting plate 113 and fixed to the upper fixed plate 41 of the frame 4. The lower suction assembly 12 includes 4 lower suction cups 122, 1 lower suction plate 124 and 1 lower guide rod cylinder 121. The 4 lower suction cups 122 and 1 lower suction plate 124 are fixed on the lower suction cup mounting plate 123, and the lower guide rod cylinder 121 is connected to the lower suction cup mounting plate 123 and fixed to the lower fixed plate 42 of the frame 4. The upper guide rod cylinder 111 moves downward and the lower guide rod cylinder 121 moves upward, wherein the four upper suction cups 112 are attached to the upper surface of the woven bag liner 52, and the upper suction plate 114 is attached to the upper surface of the woven bag outer bag 51; wherein the four lower suction cups 122 are attached to the lower surface of the woven bag liner 52, and the lower suction plate 124 is attached to the lower surface of the woven bag outer bag 51; the upper guide rod cylinder 111 immediately moves upward, and the lower guide rod cylinder 121 immediately moves downward, and the four upper suction cups 112 and the four lower suction cups 122 and the upper suction plate 114 and the lower suction plate 124 can synchronously open the bag openings of the woven bag outer bag 51 and the woven bag liner 52.

[0022] like Figure 5 and Figure 6As shown, in the above embodiment, the air suction plate 21 is fixed on the mounting plate 25, the two-position cylinder 23 is fixed on the mounting bracket 24, the two-position cylinder 23 is connected to the mounting plate 25, and the whole set is fixed on the slider 221 of the linear guide slider 22. The two-position cylinder 23 moves forward to the first position, so that the air suction plate 21 is inserted into the woven bag liner 52, and the air suction plate 21 sucks air inward, and the woven bag liner 52 can be adsorbed and attached to the upper and lower surfaces of the air suction plate 21. At this time, the suction of the four upper suction cups 112 on the upper surface of the woven bag liner 52 and the four lower suction cups 122 on the lower surface of the woven bag liner 52 are closed, and the adsorption of the woven bag liner 52 is released, so that the woven bag liner 52 is completely adsorbed on the air suction plate 21. At this time, the woven bag outer bag 51 continues to be adsorbed on the upper suction plate 114 and the lower suction plate 124. When the woven bag liner 52 is completely adsorbed on the suction plate 21, the two-position cylinder 23 moves forward to the second position, thereby pushing the mounting plate 25 to drive the woven bag liner 52 on the suction plate 21 to continue to feed into the inside of the woven bag outer bag 51 until the outer edges of the woven bag liner 52 and the woven bag outer bag 51 are flush.

[0023] like Figure 7 and Figure 8 As shown, in the above embodiment, preferably, each group includes a plurality of ultrasonic spot welders 31, the ultrasonic spot welders 31 of the upper group move downward to weld the upper surface of the woven bag outer bag 51 and the upper surface of the woven bag liner 52 together, and the ultrasonic spot welders 31 of the lower group move upward to weld the lower surface of the woven bag outer bag 51 and the lower surface of the woven bag liner 52 together. Preferably, the ultrasonic spot welders 31 are divided into two groups, upper and lower, and each group includes 4 ultrasonic spot welders 31. The upper group of 4 ultrasonic spot welders 31 is fixed on the welding machine mounting plate 25, and the welding machine mounting plate 25 is fixed to the upper fixed plate 41 of the frame 4 through two groups of linear bearings 33 and guide rods 34. The cylinder 32 of the upper group is connected to the welding machine mounting plate 25 and fixed to the upper fixed plate 41 of the frame 4. The four ultrasonic spot welders 31 of the lower group are fixed on the welder mounting plate 25, and the welder mounting plate 25 is fixed on the lower fixing plate 42 of the frame 4 through two groups of linear bearings 33 and linear guide rods 34. The cylinder 32 of the lower group is connected to the welder mounting plate 25 and fixed on the lower fixing plate 42 of the frame 4. The cylinder 32 of the upper group moves downward, and the cylinder 32 of the lower group moves upward. The upper group of ultrasonic spot welders 31 completes the spot welding of the upper surface of the woven bag liner 52 and the upper surface of the woven bag outer bag 51; the lower group of ultrasonic spot welders 31 simultaneously completes the spot welding of the lower surface of the woven bag liner 52 and the lower surface of the woven bag outer bag 51.

[0024] 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 inner liner woven bag inner folding edge winding pre-welding device, characterized in that: Including: suction cup assembly, air suction positioning assembly, ultrasonic spot welding assembly and frame; The suction cup assembly comprises an upper suction covering assembly and a lower suction covering assembly, the upper suction covering assembly is mounted on the upper fixing plate of the frame, the lower suction covering assembly is mounted on the lower fixing plate of the frame, the upper suction covering assembly comprises an upper guide rod cylinder, an upper suction plate and an upper suction cup, the upper suction cup is arranged at the front end, the upper suction plate is arranged at the rear end, the lower suction covering assembly comprises a lower guide rod cylinder, a lower suction plate and a lower suction cup, the lower suction cup is arranged at the front end, the lower suction plate is arranged at the rear end, the upper suction plate and the lower suction plate are arranged relative to each other, and the upper suction cup and the lower suction cup are arranged relative to each other; The air suction positioning assembly includes an air suction plate, a linear guide slider, a two-position cylinder and a mounting bracket, wherein the air suction plate is connected to the output end of the two-position cylinder via a mounting plate, the mounting plate is fixed to the slider of the linear guide slider, the two-position cylinder is fixed to the mounting bracket, and the mounting bracket is mounted on the lower fixing plate of the frame; The ultrasonic spot welding assembly comprises two groups of ultrasonic spot welding machines, a cylinder, a linear bearing and a guide rod, wherein the ultrasonic spot welding machine is connected to the guide rod through a welding machine mounting plate, the guide rod is sleeved in the linear bearing, and the linear bearing is mounted on the frame and connected to the cylinder; The packaging woven bag comprises an outer woven bag bag and an inner woven bag liner, the inner woven bag liner is sleeved in the outer woven bag bag and the length of the inner woven bag liner is greater than the outer woven bag bag, the packaging woven bag is conveyed between the upper suction covering assembly and the lower suction covering assembly, the upper suction cup and the upper suction plate as well as the lower suction cup and the lower suction plate respectively move toward each other under the drive of the upper guide rod cylinder and the lower guide rod cylinder, so that the upper suction cup and the lower suction cup are respectively attached to the upper and lower surfaces of the inner woven bag, and the upper suction plate and the lower suction plate are respectively attached to the upper and lower surfaces of the outer woven bag bag, and after the attachment is completed, the upper suction cup and the upper suction plate as well as the lower suction cup and the lower suction plate respectively move backwards under the drive of the upper guide rod cylinder and the lower guide rod cylinder, so that the outer woven bag bag and the inner woven bag liner are opened synchronously; After the woven bag outer bag and the woven bag inner liner are opened, the air suction plate moves to the first position along the linear guide slider toward the woven bag inner liner under the drive of the two-position cylinder, so that the air suction plate is inserted into the woven bag inner liner, and the air suction plate sucks air inwards so that the woven bag inner liner is adsorbed on the air suction plate, and at the same time, the upper suction cup and the lower suction cup stop adsorbing, and the air suction plate drives the woven bag inner liner to move to the second position, so that the outer edge of the woven bag inner liner is aligned with the outer edge of the woven bag outer bag; After the outer edge of the woven bag inner liner is aligned with the outer edge of the woven bag outer bag, the upper and lower groups of ultrasonic spot welding machines move toward each other under the drive of the cylinder and the transmission of the linear bearing and the guide rod to complete the ultrasonic spot welding between the woven bag outer bag and the woven bag inner liner.

2. The fully automatic inner liner woven bag inner folding edge winding pre-welding device according to claim 1 is characterized in that: The upper suction cover assembly includes a plurality of groups of upper suction cups, which are fixed to the front end of the upper suction cup mounting plate, and the upper suction plate is fixed to the rear end of the upper suction cup mounting plate; the lower suction cover assembly includes a plurality of groups of lower suction cups, which are fixed to the front end of the lower suction cup mounting plate, and the lower suction plate is fixed to the rear end of the lower suction cup mounting plate; The upper suction cup mounting plate is fixed on the movable end of the upper guide rod cylinder, the upper guide rod cylinder is mounted on the upper fixed plate of the frame, the lower suction cup mounting plate is fixed on the movable end of the lower guide rod cylinder, and the lower guide rod cylinder is mounted on the lower fixed plate of the frame.

3. The fully automatic inner liner woven bag inner folding edge winding pre-welding device according to claim 1 is characterized in that: Each group includes a plurality of ultrasonic spot welders. The ultrasonic spot welders of the upper group move downward to weld the upper surface of the woven bag outer bag and the upper surface of the woven bag inner liner together, and the ultrasonic spot welders of the lower group move upward to weld the lower surface of the woven bag outer bag and the lower surface of the woven bag inner liner together.

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