Bagging machine and method of packaging

Abstract

The invention provides a kind of translation to bag packing machine and packaging method, including bag storage and bagging device, positioning device, bag opening device, reciprocating conveying device, filling station device and sealing device, bag storage and bagging device are set in the upper, positioning device and bag opening device are set below bag storage and bagging device, reciprocating bag conveying device is set below bag opening device, filling station device and sealing device;Reciprocating bag conveying device sets bag clamping mechanism, completes the bag transmission in bag opening, filling, sealing station;The clamping drive mechanism of the bag clamping mechanism of reciprocating bag conveying device and the adjusting power are separately programmed power.The invention can realize high-efficiency multi-bag conveying and simultaneous filling by gravity bag conveying, installing reciprocating straight-line bag conveying device of opposite bag clamping mechanism and a set of centrally arranged canning station bag clamping mechanism, control is simple, conveying device structure is simple, occupies small area, high efficiency.

Description

TECHNICAL FIELD

[0001] The present application relates to a bag feeding and packaging machine and a packaging method. BACKGROUND

[0002] The bag feeding and filling packaging has a circulating conveying packaging method. If a straight line conveying packaging is used, the current equipment occupies a larger area, the conveying device has a long stroke, or still needs to make a circulating movement in the up-down direction, causing the machine structure to be complex. SUMMARY

[0003] The purpose of the present application is to provide a translation bag packaging machine and a packaging method, which can not only reduce the site occupation, but also reduce the complexity of the conveying mechanism.

[0004] In order to achieve the above purpose, the present application adopts the following technical scheme:

[0005] The bag feeding and packaging machine is characterized in that it comprises a bag storage and separation device, a positioning device, a bag opening device, a reciprocating conveying device, a filling station device and a sealing device, wherein:

[0006] The bag storage and separation device is arranged above, and the positioning device is arranged below the bag storage and separation device to receive the falling bags after separation; the bag opening device and the positioning device are arranged at the bag opening station;

[0007] The reciprocating bag conveying device is arranged below the bag opening device, the filling station device and the sealing device; the reciprocating bag conveying device is provided with a bag clamping mechanism to complete the transmission of the bags between the stations; the bag clamping drive mechanism and the adjusting power of the bag clamping mechanism of the reciprocating bag conveying device are separately controlled by the power, and the adjusting power is a drive mechanism for adjusting the distance between the left bag clamping assembly and the right bag clamping assembly of the reciprocating bag conveying device.

[0008] Further, the bag storage and separation device is provided with a plurality of parallel bag storage bins and corresponding bag separation mechanisms, and the bag storage bins are respectively provided with outlets; the positioning device and the bag opening device are respectively provided with positioning structures and bag opening working parts corresponding to the number of bag storage bins; the reciprocating conveying device is provided with bag clamping mechanisms corresponding to the number of bag storage bins, and the filling station device is provided with a corresponding number of filling heads; and the sealing device is provided with a corresponding number of sealing mechanisms.

[0009] Further, the reciprocating bag feeding device is provided with a first group of bag clamping mechanisms and a second group of bag clamping mechanisms, the first group of bag clamping mechanisms and the second group of bag clamping mechanisms move synchronously and in the same direction, and the filling station device is provided with a bag clamping mechanism; the bag feeding and packaging machine is sequentially provided with an opening bag station, a filling station, and a sealing station; the first group of bag clamping mechanisms move back and forth at the bag positioning station and the filling station, and hand over the packaging bags to be filled to the bag clamping mechanism of the filling station device at the filling station; and the second group of bag clamping mechanisms move back and forth at the sealing station and the filling station in sequence, and hand over the filled packaging bags to the bag clamping mechanism of the filling station device at the filling station.

[0010] Further, the positioning device is provided with a first lifting connecting mechanism, the positioning device is provided with a positioning structure with an opening facing upwards and bag opening positions arranged on the front and back surfaces, the positioning structure is arranged at the opening bag station, and the positioning structure is connected with the first lifting connecting mechanism to be able to be lifted upwards to the opening bag station and to be able to make the bag out of the positioning structure after being lowered to be transported.

[0011] Further, the bag opening device is provided with a suction disc lifting connecting mechanism, the bag opening device is provided with a front suction disc and a rear suction disc, the front suction disc and the rear suction disc are connected with a suction disc front and rear moving mechanism to enable the front suction disc and the rear suction disc to be apart from each other to perform the bag opening action and to be close to each other to stick to the bag wall, the suction disc front and rear moving mechanism is connected with the suction disc lifting connecting mechanism to be able to be lowered to the height of the bag positioning station and to be lifted to leave the bag opened by the bag clamping mechanism of the reciprocating bag feeding device.

[0012] Further, the bag storage and distribution device is further provided with a bag falling device below, the bag falling device guides the falling bag into the positioning device, and the falling trajectory of the bag defined by the bag falling device passes through the gap between the front suction disc and the rear suction disc of the bag opening mechanism.

[0013] Further, the filling station device is provided with a bag clamping mechanism, the filling station device is provided with a second lifting connecting mechanism, the bag clamping mechanism of the filling station device and the second lifting connecting mechanism are connected to lower and hand over the bag, and to be lifted after handing over the bag after filling.

[0014] Further, the sealing device is provided with a sealing mechanism, the sealing mechanism and a third lifting connecting mechanism are connected, the sealing mechanism is lowered when the bag reaches the sealing station, and is lifted to leave the bag after the sealing is completed.

[0015] To achieve the above-mentioned purposes, according to the second aspect of the present application, the present application adopts the following technical scheme:

[0016] A packaging method, characterized by comprising the following station processing process:

[0017] S1 bag storage and distribution station: used for storing bag stacks and distributing single bags;

[0018] S2 bag positioning station: the separated bags are sent to the designated position; and the bag opening operation is performed at the bag positioning station;

[0019] S3 filling station, for filling materials into the bags;

[0020] S4 sealing station: for sealing the filled bags;

[0021] In the height direction, the bag positioning station, the filling station and the sealing station are arranged below the bag storage and separation station; the reciprocating bag conveying device is provided with the first group of bag clamping mechanisms and the second group of bag clamping mechanisms, the first group of bag clamping mechanisms and the second group of bag clamping mechanisms move synchronously and in the same direction, the filling station device is provided with a bag clamping mechanism; the bag positioning station, the filling station and the sealing station are arranged in sequence; the distance between the bag positioning station and the filling station is equal to the distance between the filling station and the sealing station; the first group of bag clamping mechanisms moves back and forth at the bag positioning station and the filling station in sequence, and the bag clamping mechanism of the filling station device is handed over to the bag to be filled at the filling station; the second group of bag clamping mechanisms moves back and forth at the sealing station and the filling station in sequence, and the bag clamping mechanism of the filling station device is handed over to the filled bag at the filling station, so that the first group of bag clamping mechanisms reaches a station, and the second group of bag clamping mechanisms also reaches a station, and the bags are sequentially transferred, and the movement of the first group of bag clamping mechanisms and the second group of bag clamping mechanisms and the filling and sealing can be performed at the same time.

[0022] Further:

[0023] After the bags are separated from the bag stack, they are limited by the bag conveying track and fall to the falling position determined by the positioning device through gravity; the positioning device is lifted to the falling position through the lifting movement in sequence;

[0024] The bag opening device is lowered to the designated position after the bag reaches the falling position determined by the positioning device through the lifting movement in sequence; the bag opening operation is completed after the bag opening device receives the bag, at this time, the positioning device is lowered to leave the falling position to make room (here, the room is the position where the first group of bag clamping mechanisms can smoothly clamp the bag); after the first group of bag clamping mechanisms clamps the opened bag, the bag opening device releases the bag and rises to leave the designated position, and after the bag is removed, the positioning device rises to the falling position;

[0025] The bag clamping drive mechanism and the adjusting power of the first group of bag clamping mechanisms and the second group of bag clamping mechanisms are independently programmed powers, which can independently adjust the distance between the left bag clamping assembly and the right bag clamping assembly in the same group and independently open and close the bag clamps, so that the left bag clamping assembly and the right bag clamping assembly can move to a position outside the side of the bag and displace to the center to shorten the distance and clamp the bag;

[0026] The first group of bag clamping mechanisms sends the opened bags to the filling station, the filling station device is lowered, the bag clamping mechanisms of the filling station device are lowered to clamp the opened bags, the handover is completed, and filling is performed, and after the first group of bag clamping mechanisms releases the bags, the first group of bag clamping mechanisms returns to the original position of the first group of bag clamping mechanisms;

[0027] When the first group of bag clamping mechanisms is transported back to the falling positioning station by the reciprocating bag conveying device, the second group of bag clamping mechanisms synchronously reaches the filling station under the transportation of the reciprocating bag conveying device, receives the bags after filling, and then the first group of bag clamping structures and the second group of bag clamping mechanisms synchronously reach the filling station and the sealing station respectively. After the sealing mechanism of the sealing station is connected to the bag, the second group of bag clamping mechanisms adjusts the spacing of the bag clamping assemblies, and can be transported by the reciprocating bag conveying device, synchronously with the sealing process, and moved to the filling station.

[0028] By adopting the technical scheme of the present application, the present application can realize efficient multi-bag conveying and simultaneous filling through gravity bag conveying, a reciprocating linear bag conveying device provided with opposite bag clamping mechanisms and a set of centrally arranged filling station bag clamping mechanisms, has simple control, simple structure of the conveying device, small site occupation area and high efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 It is a schematic view of an embodiment of the present application.

[0030] Figure 2 It is a side view of an embodiment of the present application.

[0031] Figure 3 It is a schematic view of a bag storage and distribution device and a positioning device in an embodiment of the present application.

[0032] Figure 4 、 5 It is a schematic view of an opening device in an embodiment of the present application.

[0033] Figure 6 It is a schematic view of a reciprocating linear bag conveying device provided with opposite bag clamping mechanisms in an embodiment of the present application.

[0034] Figure 7 It is a schematic view of a reciprocating linear bag conveying device provided with opposite bag clamping mechanisms in an embodiment of the present application. Figure 6

[0035] Figure 8 It is a schematic view of a filling station device in an embodiment of the present application.

[0036] Figure 9 It is a schematic view of a sealing device in an embodiment of the present application.

[0037] ​Figure 10 A schematic diagram of a bag clamping mechanism in the filling station device.

[0038] Figure 11 An exploded view of the bag clamping mechanism structure in the filling station device.

[0039] Figure 12 A flow chart of the packaging method provided by the present application. DETAILED DESCRIPTION

[0040] Referring to the drawings. The bag packaging machine provided by the present application comprises a bag storage and separating device, a positioning device, a bag opening device, a reciprocating conveying device, a filling station device, and a sealing device.

[0041] The bag storage and separating device 200 is arranged above the frame 100. The bag opening device and the positioning device are arranged below the bag storage and separating device. The positioning device is used to receive the falling bags 200 after the bags are separated. The bag opening device is arranged at the bag opening station, and the positioning device is also arranged at the bag opening station.

[0042] The reciprocating bag conveying device 700 is arranged below the bag opening device, the filling station device, and the sealing device. The reciprocating bag conveying device is provided with a bag clamping mechanism to complete the transmission of the bags between the stations. The bag clamping drive mechanism and the adjusting power of the bag clamping mechanism arranged in the reciprocating bag conveying device are separately controlled by the power. The adjusting power is a drive mechanism for adjusting the distance between the left bag clamping assembly and the right bag clamping assembly of the bag clamping mechanism.

[0043] The bag storage and separating device 200 is provided with a plurality of parallel bag storage bins 201 and corresponding bag separating mechanisms. The bags are placed in the bag storage bin 201 in a stack and an outlet 202 is arranged. The bag storage bin 201 is arranged obliquely to allow the bags to be fed one by one to the outlet 202 of the bag storage bin by gravity. A suction cup 203 is arranged outside the outlet of the bag storage bin 201. A group of suction cups 203 is arranged at each bag storage bin outlet 202. The suction cups 203 are mounted on a mounting plate 204. The mounting plate 204 is connected with a drive mechanism 205 (such as a pneumatic cylinder). The mounting plate 204 moves forward and backward opposite to the outlet 202 of the bag storage bin. The suction cup 203 sucks the bag when it advances to the outlet of the bag storage bin 201, and then retreats by a set distance to release the bag. The bag falls by gravity.

[0044] The positioning device and the bag opening device are respectively provided with a corresponding number of positioning structures and bag opening working components corresponding to the bag storage bin. The reciprocating conveying device is provided with a corresponding number of bag clamping mechanisms corresponding to the bag storage bin. The filling station device is provided with a corresponding number of filling heads. The sealing device is provided with a corresponding number of sealing mechanisms.

[0045] The preferred embodiments of each device and its cooperation will be further described in detail below with reference to the drawings.

[0046] Below the bag-separating device, a bag-dropping device is also provided. The bag-dropping device uses a bag conveying track 206, which guides the bags into the positioning device. The conveying track 206 consists of two facing guide grooves, and the bags slide down the guide grooves by gravity. The bag falling trajectory defined by the conveying track 206 passes through the gap between the front and rear suction cups of the bag opening mechanism.

[0047] The positioning device is equipped with a first lifting connection mechanism and a positioning structure 302 with an upward-facing opening and bag-opening clearance portions 303 on both the front and rear sides. The positioning structure 302 is positioned in relation to the lower bag positioning station, and its number corresponds to the number of storage bag compartments 201. The positioning structure 302 is connected to the first lifting connection mechanism and can rise to the bag-opening station. Figure 2 The first lifting connection mechanism can use a cylinder 301 as a power source and is equipped with a positioning structure, a lifting connection frame 304, a guide structure (such as a guide sleeve 311 mounted on a mounting frame 305 and a guide rod 312 connected to the lifting connection frame 304), and other mechanical mechanisms. The cylinder 301 is mounted on the mounting frame 305. Furthermore, the mounting frame 305 is fixedly installed with adjustable height, and the height can be adjusted when changing specifications. A nut 308 is provided at its fixed installation part. The nut 308 is threadedly connected to the lifting adjustment screw 309. By rotating the screw 309 with a handwheel, the height of the mounting frame 305 can be adjusted. Reference numeral 306 is a guide slider fixedly connected to the mounting frame 305, and reference numeral 307 is a guide rail slidably connected to the guide slider 306. The positioning structure 302 is also adjustable in width. It consists of two positioning slots, and the gap between the two positioning slots forms the bag opening clearance part 303. The lifting connecting frame 304 is provided with an installation and adjustment long slot hole 310 for installing and adjusting the position of the positioning slot. The positioning structure is fixedly connected by passing screws through the long slot hole 310. After loosening the screws, the positioning structure 302 can be moved to a suitable width in the adjustment long slot 310 and then locked with screws.

[0048] The bag opening working part of the bag opening device adopts a pair of front and rear suction cups 401 and 402, which are connected with a suction cup front and rear moving mechanism to enable the front and rear suction cups 401 and 402 to move away from each other to perform the bag opening action and to move close to each other to stick to the bag wall. The suction cup front and rear moving mechanism is connected with a suction cup lifting connecting mechanism, and the bag opening working part can be lowered to a lower bag positioning station and lifted to leave the bag opened by the reciprocating bag feeding device. In the embodiment, the suction cup front and rear moving mechanism includes a connecting plate 403, a driving cylinder 404, a mounting plate 405 of the front suction cup 401 and a mounting plate 406 of the rear suction cup 402. The driving cylinder 404 includes a cylinder driving the mounting plate 405 to move forward and backward and a cylinder driving the mounting plate 406 to move forward and backward. The suction cup front and rear moving mechanism can also be provided with a front and rear moving guide structure. The connecting plate 403 is connected with a lifting driving cylinder 407 of the suction cup lifting connecting mechanism. The front suction cup 401 and the rear suction cup 402 are asymmetrically arranged relative to the connecting plate 403, the structure is reasonably distributed, and the gap between the front suction cup 401 and the rear suction cup 402 is provided for the falling bag to pass through. The lifting connecting mechanism is provided with a cylinder fixing plate 408 and a lifting guide structure.

[0049] The filling station device is provided with a bag clamping mechanism 501. The filling station device is provided with a second lifting connecting mechanism. The bag clamping mechanism 501 of the filling station device is connected with the second lifting connecting mechanism to lower and transfer the bag to be filled. After the filling is completed, the next set of bag clamping mechanism (the second set of bag clamping mechanism) reaches the filling station. After the filled bag is transferred from the bag clamping mechanism 501, the filling station device is lifted to provide space.

[0050] The bag clamping mechanism 501 is powered and arranged above. The power can be a cylinder 1. The bag clamping mechanism adopts a left and right independent power mechanism, that is, the cylinder 1 is arranged left and right. The left cylinder 1 drives the left clamping jaw assembly, and the right cylinder 1 drives the right clamping jaw assembly. This arrangement can maximize the arrangement density of the bag clamping mechanism 501 and can arrange the filling head 502 in the middle space between the left and right cylinders, that is, the middle space of the bag clamping mechanism. As shown in the figure, the bag clamping mechanism is mounted on a mounting plate 2. The filling station device is provided with a station mounting plate 504. The second lifting connecting mechanism of the filling station device is provided with a cylinder 503 as the lifting power. The cylinder 503 is mounted on the station mounting plate 504, and the extending rod of the cylinder 503 is connected with the mounting plate 2. The mounting plate 504 is provided with a through hole 21 between the left cylinder 1 and the right cylinder 1. The filling head 502 extends from the through hole 21 to fill the bag clamped by the bag clamping mechanism 501.

[0051] The bag clamping mechanism 501 sets a connecting frame 3, which is set below the mounting plate 2 and fixedly connected with the mounting plate 2, and a horizontal movement guide structure is fixed on the connecting frame 3, which includes a fixed block 41 and guide rods 42, the fixed block 41 is centrally arranged and fixed on the connecting frame 3, and the guide rods 42 are arranged on both sides of the fixed block 41 and guide the translational movement of the two side clamping arms 5 respectively, and symmetrically arranged guide pin shafts 6 are arranged on the two side clamping arms 5, and the air cylinder 1 is connected with a lifting plate 8 through a connecting structure 11, and symmetrically arranged opening and closing guide grooves 81 matched with the guide pin shafts 6 on the two side clamping arms are arranged on the lifting plate 8, and the opening and closing guide grooves 81 are in the form of inclined grooves. The guide pin shafts 6 pass through the opening and closing guide grooves 81 and are provided with limiters 61 at the end portions.

[0052] A horizontal sliding sleeve 71 is mounted at the lower end of the clamping arm 5, the bag clamping head 7 is slidably connected with the horizontal sliding sleeve 71 through a pin shaft, the pin shaft of the bag clamping head 7 is sleeved with a spring 72, the spring 72 can play a buffering role through an elastic element, and the other end of the shaft pin is connected with a limiter 70.

[0053] The sealing device sets a sealing mechanism 601, the sealing mechanism 601 is connected with a third lifting connecting mechanism, the third lifting connecting mechanism of the sealing mechanism sets an air cylinder 603 as a lifting power, the air cylinder 603 is mounted on a work station mounting plate 604, the sealing mechanism 601 is mounted on a mounting plate 602, and the extending rod of the air cylinder 603 is connected with the mounting plate 602. When the bag reaches the sealing station, the mounting plate 602 is driven to descend by the air cylinder 603, and the sealing mechanism 601 descends to reach the sealing station to seal the bag. The sealing mechanism can adopt a clamp type structure and be opened and closed by a power 605, the power 605 adopts an air cylinder, a sealing component is arranged at the clamping position, the sealing component can adopt a hot adhesive component 606 and seal by hot adhesive. The sealing component can also not be based on the electric heating hot adhesive structure, but directly adopt a clamp assembly to press, and seal by the bag itself. After the sealing is completed, the sealing mechanism 601 is opened to output the bag, and then the sealing mechanism 601 is driven to ascend and reset. In this way, at the sealing station, the second group of bag clamping mechanisms on the reciprocating bag conveying device convey the filled bags, the sealing mechanism descends to hold and seal the bag, and at the same time, the reciprocating bag conveying device runs the second group of bag clamping mechanisms to the filling station, and the cycle is repeated to improve the efficiency of the whole machine.

[0054] The reciprocating bag conveying device is provided with a reciprocating conveying mechanism 700, which can adopt a belt or chain transmission mechanism that reciprocates, and the reference numeral 709 is a driving mechanism thereof. The reciprocating conveying mechanism 700 is provided with a first group of bag clamping mechanisms 701 and a second group of bag clamping mechanisms 702, and the first group of bag clamping mechanisms 701 and the second group of bag clamping mechanisms 702 are connected through a connecting structure and the reciprocating conveying mechanism 700 to move synchronously and in the same direction, the first group of bag clamping mechanisms 701 and the second group of bag clamping mechanisms 702 are spaced apart by a certain distance, and a bag opening station, a filling station and a sealing station are sequentially arranged, and the distance between the bag opening station and the filling station is equal to the distance between the filling station and the sealing station; the first group of bag clamping mechanisms 701 moves back and forth at the bag opening station and the filling station, and hands over the packaging bags to be filled to the bag clamping mechanisms 501 of the filling station device at the filling station, and the second group of bag clamping mechanisms 702 moves back and forth at the sealing station and the filling station, and hands over the filled packaging bags to the bag clamping mechanisms 501 of the filling station device at the filling station. Thus, the rapid and efficient relay conveying of two sets of bag clamping mechanisms can be realized, and the occupied area is extremely small, and the first group of bag clamping mechanisms 701 and the second group of bag clamping mechanisms 702 transfer synchronously in the corresponding stations, thereby improving the efficiency.

[0055] As described above, a corresponding number of bag clamping mechanisms are arranged on the reciprocating conveying device, and the number of the first group of bag clamping mechanisms 701 and the second group of bag clamping mechanisms 702 is equal to the number of the bag clamping mechanisms, and the number corresponds to the number of the bag storage bins. The first group of bag clamping mechanisms 701 and the second group of bag clamping mechanisms 702 have the same structure, and the structure of the first group of bag clamping mechanisms 701 is taken as an example: each bag clamping mechanism of the first group of bag clamping mechanisms 701 is connected together through a guide rod 703, and the two ends of the guide rod are connected to a sliding seat 704, and the sliding seat 704 is slidably connected through a guide block and a guide rail 705, and the sliding seats 704 of the first group of bag clamping mechanisms 701 and the second group of bag clamping mechanisms 702 are connected together through a connecting plate and connected to the reciprocating conveying mechanism 700 through a connecting piece 710. The first group of bag clamping mechanisms 701 and the second group of bag clamping mechanisms 702 can also be directly connected by a synchronous belt.

[0056] The independent adjustment power can be independently controlled in groups or independently controlled only for a single bag clamping mechanism. Since in the present embodiment, the bag clamping mechanisms in the same group reach the same station at the same time and perform the same work, it is preferred that the adjustment power is independently controlled in groups, and the bag clamping mechanisms in the first group 701 are adjusted by the same adjustment power, and the bag clamping mechanisms in the second group 702 are adjusted by the same adjustment power. In the present embodiment, the adjustment power adopts a motor 706 or other available power, the motor 706 is installed on the sliding seat 704 and moves with the sliding seat 704, the motor 706 is connected with a screw rod 707 parallel to the guide rod 703, the screw rod 707 is connected by a shaft structure, which can be a key groove connection or a shaft coupling, the screw threads at both ends of each screw rod are opposite, and each screw rod corresponds to a bag clamping mechanism. The left bag clamping assembly and the right bag clamping assembly of the bag clamping mechanism are respectively provided with a mounting seat 77, the mounting seat 77 on the left side and the mounting seat 77 on the right side are provided with a nut sleeve or a nut hole 708 to be connected with the screw threads at both ends of each screw rod, and move synchronously and reversely. Through the independent adjustment power, the left bag clamping assembly and the right bag clamping assembly can adjust the distance between the left bag clamping assembly and the right bag clamping assembly as a whole, improve the efficiency, and provide more space for optimizing the action sequence of different devices and mechanisms in the whole machine.

[0057] The left bag clamping assembly and the right bag clamping assembly are the same in structure and are respectively provided with an independently controlled driving mechanism, the driving mechanism can adopt an electric cylinder or a pneumatic cylinder 78, the driving mechanism is connected with the mounting seat 77, and the driving mechanism drives the bag clamp 74 to open and close through a connecting mechanism 73. The connecting mechanism can be a movable connecting rod, the movable connecting rod drives the bag clamp to open and close, the connecting mechanism can also be a rack that moves linearly, and the rack drives the bag clamp 74 to open and close through a meshing transmission structure of the rack and a gear. A protection piece 75 can be arranged outside the driving mechanism (the electric cylinder or the pneumatic cylinder 78) and the connecting structure 73, if one side of the bag clamp is fixedly arranged, the clamping block can be fixed with the protection piece 75, the protection piece 75 is in a forwardly protruding cantilever shape and is fixedly connected with the mounting seat 77.

[0058] The following will be described in combination with the drawings Figure 12 The packaging method provided by the present application is described in detail. The packaging method includes the following station processing process:

[0059] The bag storage and separation station is used for storing the bag stack 800 and separating single bags 801;

[0060] The bag opening station is used for opening the bag;

[0061] The filling station is used for filling materials into the bag;

[0062] The sealing station is used for sealing the filled bag;

[0063] In the height direction, the bag opening station, the filling station and the sealing station are arranged below the bag storing and separating station; the reciprocating bag conveying device is provided with a first group of bag clamping mechanisms and a second group of bag clamping mechanisms, the first group of bag clamping mechanisms and the second group of bag clamping mechanisms move synchronously and in the same direction, the filling station device is provided with a bag clamping mechanism; the bag opening station, the filling station and the sealing station are arranged in sequence; the distance between the bag opening station and the filling station is equal to the distance between the filling station and the sealing station; the first group of bag clamping mechanisms moves back and forth at the bag opening station and the filling station in sequence, and hands over the packaging bag to be filled to the bag clamping mechanism of the filling station device at the filling station, the second group of bag clamping mechanisms moves back and forth at the sealing station and the filling station in sequence, and hands over the filled packaging bag to the bag clamping mechanism of the filling station device at the filling station, so that the first group of bag clamping mechanisms reaches a station and the second group of bag clamping mechanisms also reaches a station every time the first group of bag clamping mechanisms reaches a station, and the bag is sequentially conveyed, and the movement of the first group of bag clamping mechanisms and the second group of bag clamping mechanisms and the filling and sealing can be carried out at the same time.

[0064] In the process, after the bag 801 is separated from the bag stack 800, it is limited by the bag conveying track 206, and falls to the falling position determined by the positioning device, i.e. the bag opening station, by gravity; the positioning device rises to the falling position by sequential lifting movement;

[0065] The bag opening device lowers to the specified position after the bag reaches the falling position determined by the positioning device by sequential lifting movement; the bag opening action is completed after the bag opening device receives the bag, at this time, the positioning device lowers to leave the falling position; after the first group of bag clamping mechanisms clamps the opened bag, the bag opening device releases the bag and rises to leave the specified position. After the bag is removed, the positioning device rises to the falling position. The bag opening device is numbered 802.

[0066] The bag clamping driving mechanism and the adjusting power of the first group of bag clamping mechanisms and the second group of bag clamping mechanisms are independently programmed powers, which can independently adjust the distance between the left bag clamping assembly and the right bag clamping assembly in the same group and independently open and close the bag clamps, so that the left bag clamping assembly and the right bag clamping assembly can move to a position outside the side of the bag and displace to the center to shorten the distance, and clamp the bag. In each action station, the first group of bag clamping mechanisms and the second group of bag clamping mechanisms adjust the distance between the bag clamping assemblies as needed by adjusting the power.

[0067] After the first group of bag clamping mechanisms sends the opened bag to the filling station, the filling station device lowers, the bag clamping mechanism 501 of the filling station device lowers to clamp the opened bag, the handover is completed, and the bag is filled, after the first group of bag clamping mechanisms releases the bag, the first group of bag clamping mechanisms returns to the bag opening station, and the bag to be filled or the filled bag in the filling station is numbered 803.

[0068] The second bag clamping mechanism reaches the filling station synchronously under the conveying of the reciprocating bag conveying device when the first bag clamping mechanism is conveyed back to the bag opening station by the reciprocating bag conveying device. After receiving the filled bag, the filling station device rises and resets. Then, the first bag clamping mechanism and the second bag clamping mechanism reach the filling station and the sealing station respectively under the conveying of the reciprocating bag conveying device. Before the second bag clamping mechanism reaches the sealing station, the spacing between the bag clamping assemblies is adjusted to flatten the bag opening, and the flattened bag opening is conveyed to the sealing station by the synchronous action of the reciprocating bag conveying device. The sealing mechanism of the sealing station receives the bag and performs the sealing action. After the sealing is completed, the sealing mechanism can directly release the bag, so that the sealed bag falls and is output. The sealed bag is marked as 804.

[0069] Unless otherwise specified and limited, in the present application, if there are terms such as "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", etc. to indicate the orientation or positional relationship, it is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation. Therefore, the terms describing the orientation or positional relationship in the present application are used for illustrative purposes only, and cannot be understood as a limitation on the present patent. For those skilled in the art, the specific meaning of the above terms can be understood in combination with the drawings and according to the specific circumstances.

[0070] Unless otherwise specified and limited, in the present application, if there are terms such as "set", "clamped", and "connected", they should be broadly understood, for example, they can be fixedly connected, or detachably connected, or integrally connected; they can be directly connected, or indirectly connected through an intermediate medium; they can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0071] The above is only a specific embodiment of the present application, but the structural features of the present application are not limited to this. Any changes or modifications made by those skilled in the art within the scope of the present application are covered by the protection scope of the present application.

Claims

1. A bag-on-packing machine, characterized in that The bag filling machine comprises a bag storage and separating device, a positioning device, a bag opening device, a reciprocating bag conveying device, a filling station device and a sealing device, wherein: The bag storage and separating device is arranged above, and the positioning device and the bag opening device are arranged below the bag storage and separating device; The reciprocating bag conveying device is arranged below the bag opening device, the filling station device and the sealing device; the reciprocating bag conveying device is provided with a bag clamping mechanism to complete the transmission of the bag at the bag opening, filling and sealing stations; the bag clamping drive mechanism and the adjusting power of the bag clamping mechanism of the reciprocating bag conveying device are separately controlled by power, and the adjusting power is a drive mechanism for adjusting the distance between the left bag clamping assembly and the right bag clamping assembly of the reciprocating bag conveying device; The reciprocating bag conveying device is provided with a first group of bag clamping mechanisms and a second group of bag clamping mechanisms, and the first group of bag clamping mechanisms and the second group of bag clamping mechanisms move synchronously and in the same direction; the filling station device is provided with a bag clamping mechanism; the bag filling machine is sequentially provided with a bag opening station, a filling station and a sealing station; the first group of bag clamping mechanisms move back and forth at the bag opening station and the filling station, and hand over the packaging bags to be filled to the bag clamping mechanism of the filling station device at the filling station; the second group of bag clamping mechanisms move back and forth at the sealing station and the filling station in turn, and hand over the filled packaging bags to the bag clamping mechanism of the filling station device at the filling station; The positioning device is provided with a first lifting connecting mechanism; the positioning device is provided with a positioning structure with an opening facing upwards and bag opening accommodation parts arranged on the front and back surfaces; the positioning structure is arranged at the bag opening station to receive the falling bags after being separated; the positioning structure is connected with the first lifting connecting mechanism to be lifted up to the bag opening station and to be lowered to accommodate the bags; The filling station device is provided with a bag clamping mechanism; the filling station device is provided with a second lifting connecting mechanism; the bag clamping mechanism of the filling station device is connected with the second lifting connecting mechanism to lower to hand over the bags and to rise after handing over the filled bags.

2. The bag packaging machine of claim 1, wherein The bag storage and separating device is provided with a plurality of parallel bag storage bins and corresponding bag separating mechanisms; the bag storage bins are respectively provided with outlets; the positioning device and the bag opening device are respectively provided with corresponding positioning structures and bag opening working parts corresponding to the number of the bag storage bins; the reciprocating bag conveying device is provided with bag clamping mechanisms corresponding to the number of the bag storage bins; the filling station device is provided with corresponding numbers of filling heads; and the sealing device is provided with corresponding numbers of sealing mechanisms.

3. The bag packaging machine of claim 1, wherein The bag opening device is provided with a suction disc lifting connecting mechanism; the bag opening device is provided with a front suction disc and a rear suction disc; the front suction disc and the rear suction disc are connected with a suction disc front and rear moving mechanism to enable the front suction disc and the rear suction disc to move away from each other to perform the bag opening action and to move close to each other to stick to the bag wall; the suction disc front and rear moving mechanism is connected with the suction disc lifting connecting mechanism to be lowered to the bag opening height and to rise to leave the bag opened by the bag clamping mechanism of the reciprocating bag conveying device.

4. The bag packaging machine of claim 1, wherein The bag storage and separating device is further provided with a bag falling device below; the bag falling device guides the falling bags into the positioning device; and the falling trajectory of the bag defined by the bag falling device passes through the gap between the front suction disc and the rear suction disc of the bag opening device.

5. The bag packaging machine of claim 1, wherein The sealing device is provided with a sealing mechanism connected with the third lifting connecting mechanism, and the sealing mechanism is lowered to seal the bag when the bag reaches the sealing station and is raised to leave the bag after the sealing is completed.

6. A packaging method characterized by, The bag packaging machine of claim 1 is used in the packaging method, and the packaging method comprises the following processing procedures of stations: S1, a bag storage and separation station, used for storing bag stacks and separating single bags; S2, an opening station, used for opening bags; S3, a filling station, used for filling materials into bags; S4, a sealing station, used for sealing filled bags; In the height direction, the opening station, the filling station and the sealing station are arranged below the bag storage and separation station; the reciprocating bag conveying device is provided with a first group of bag clamping mechanisms and a second group of bag clamping mechanisms, the first group of bag clamping mechanisms and the second group of bag clamping mechanisms move synchronously and in the same direction, the filling station device is provided with a bag clamping mechanism, the opening station, the filling station and the sealing station are arranged in sequence, the distance between the opening station and the filling station is equal to the distance between the filling station and the sealing station, the first group of bag clamping mechanisms move back and forth at the opening station and the filling station in sequence, and the first group of bag clamping mechanisms hand over the packaging bags to be filled to the bag clamping mechanism of the filling station device, the second group of bag clamping mechanisms move back and forth at the sealing station and the filling station in sequence, and the second group of bag clamping mechanisms hand over the filled packaging bags to the bag clamping mechanism of the filling station device, so that the first group of bag clamping mechanisms reaches a station and the second group of bag clamping mechanisms reaches a station at the same time, the bags are sequentially conveyed, and the movement of the first group of bag clamping mechanisms and the second group of bag clamping mechanisms and the filling and sealing can be simultaneously performed.

7. A method of packaging according to claim 6, wherein : After the bags are separated from the bag stacks, the bags fall to the falling position determined by the positioning device through the bag conveying track limiting by gravity, and the positioning device rises to the falling position through the sequential lifting movement; The opening device lowers to the specified position through the sequential lifting movement after the bags reach the falling position determined by the positioning device, the opening operation is completed after the opening device receives the bags, at this time, the positioning device lowers to leave the falling position, the first group of bag clamping mechanisms clamps the opened bags, the opening device releases the bags and rises to leave the specified position, and the positioning device rises to the falling position after the bags are removed; The bag clamping driving mechanisms and the adjusting power of the first group of bag clamping mechanisms and the second group of bag clamping mechanisms are separately controlled, the distance between the left bag clamping assembly and the right bag clamping assembly in the same group can be independently adjusted, and the bag clamping assembly can be independently opened and closed, so that the left bag clamping assembly and the right bag clamping assembly can move to the position outside the side of the bag and displace to the center to shorten the distance, and clamp the bag; After the first group of bag clamping mechanisms sends the opened bags to the filling station, the filling station device lowers, the bag clamping mechanism of the filling station device lowers to clamp the opened bags, the handover is completed, the filling is completed, and the first group of bag clamping mechanisms returns to the opening station after releasing the bags; The second set of bag clamping mechanisms reaches the filling station synchronously under the conveying of the reciprocating bag conveying device when the first set of bag clamping mechanisms is conveyed back to the bag opening station by the reciprocating bag conveying device, receives the filled bags, and then the filling station device is raised and reset. After that, the first set of bag clamping mechanisms and the second set of bag clamping mechanisms synchronously reach the filling station and the sealing station respectively under the conveying of the reciprocating bag conveying device; before the second set of bag clamping mechanisms reaches the sealing station, the spacing between the bag clamping assemblies is adjusted to flatten the bag opening and enable the reciprocating bag conveying device to synchronously convey the flattened bag opening to the sealing station; the sealing mechanism of the sealing station receives the bag and performs the sealing action, and after the sealing is completed, the sealing mechanism directly releases the bag, so that the sealed bag falls and is output.

Images