Bag feeding device

Abstract

The utility model provides a bag feeding device which is located on the top of equipment, a lower bag guiding channel is arranged in the equipment, the bag feeding device comprises a bag supplying mechanism and a bag taking mechanism, the bag supplying mechanism is located on the side face, deviating from the lower bag guiding channel, of the top of the equipment, and the bag feeding device is provided with a bag conveying mechanism. The bag conveying mechanism is provided with a bag positioning structure used for limiting the bags taken out by the bag taking mechanism, so that the bags are conveyed to the position above the bag discharging guide channel by the bag conveying mechanism. According to the utility model, bag stacks can be supplemented from the machine side, so that the operation is convenient and the safety is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to a bag feeding device, especially a bag feeding device of a filling machine. BACKGROUND

[0002] In the filling machine using a bag body as a packaging container, the bag is continuously sent to a bag taking station for the bag clamping device to clamp and take the bag, and corresponding work is carried out in the subsequent bag conveying and station. For bag feeding, a bag storage bin is generally required to be configured, and a bag stack is placed in the bag storage bin. The bags are taken out one by one from the outlet of the bag storage bin and fall into the bag taking station by gravity. The bag storage bin needs to be manually supplemented with a bag stack.

[0003] Chinese invention patent application 202210657772.7 discloses a bag feeding scheme, wherein the bag storage and distribution device is arranged directly above the equipment. When adding a bag body, the operator has a safety hazard, and it is also not very convenient when adding the bag body. UTILITY MODEL CONTENT

[0004] The utility model aims to provide a bag feeding device that can supplement a bag stack from the side of the machine to facilitate operation and ensure safety. To this end, the utility model adopts the following technical solutions:

[0005] A bag feeding device is located at the top of an equipment. A lower bag guide channel is arranged in the equipment. The bag feeding device includes a bag feeding mechanism and a bag taking mechanism. The bag feeding mechanism is located at the top of the equipment and deviates from the side of the lower bag guide channel. The bag feeding device is provided with a bag conveying mechanism. The bag conveying mechanism is provided with a bag positioning structure for limiting the bag taken out by the bag taking mechanism so that the bag is conveyed to the upper side of the lower bag guide channel.

[0006] On the basis of the above-mentioned technical solutions, the utility model can also adopt the following further technical solutions, or use these further technical solutions in combination:

[0007] The bag feeding device is provided with a bag conveying support plate corresponding to the bottom of the bag, and a lower bag door that can be opened and closed is arranged at the position of the bag conveying mechanism corresponding to the lower bag guide channel.

[0008] The bag conveying structure includes a bag back support structure and a horizontal conveying mechanism, so that the bag can be conveyed vertically. The bag positioning structure is installed on the horizontal conveying mechanism and can move between the position corresponding to the bag feeding mechanism and the position corresponding to the lower bag guide channel.

[0009] The horizontal conveying mechanism adopts a belt conveying mechanism. The belt in the belt conveying mechanism is arranged vertically. The bag positioning structure includes left and right limiting structures of the bag. The left and right limiting structures can be conveyed horizontally.

[0010] The transverse conveying mechanism adopts a belt conveying mechanism, and the belt in the belt conveying mechanism is vertically arranged; the belt conveying mechanism adopts a vacuum belt conveying mechanism, and a vacuum suction port on the surface of the conveying belt is used as the bag positioning structure.

[0011] The lower bag door is connected with the driving mechanism and can move forward and backward.

[0012] The bag feeding device is provided with a bag blocking structure in front of the front face of the bag along the conveying path of the bag.

[0013] The lower bag guide channel is provided with a plurality of horizontal linear arrangements, the bag feeding mechanism is provided with a plurality of linearly arranged bag storage guide channels with consistent spacing from the lower bag guide channel; the bag taking mechanism is provided with a plurality of bag taking mechanical hands corresponding to the bag storage guide channels, the transverse conveying mechanism has linear conveying sections corresponding to the positions of the bag feeding mechanism and the positions of the lower bag guide channel, a plurality of bag positioning structures are installed on the transverse conveying mechanism, and the spacing of the bag positioning structures corresponds to the spacing of the plurality of lower bag guide channels.

[0014] The bag feeding mechanism adopts a bag storage guide channel; at least most of the bag storage guide channels are located outside the side of the top of the equipment.

[0015] The equipment can be a filling machine, and can be a linear conveying type filling machine.

[0016] By adopting the technical scheme of the utility model, the bag stack can be supplemented from the top of the side of the machine, the main body of the machine is avoided, the operation of supplementing the bag body is more convenient and safety is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a front view of the filling equipment applying the utility model.

[0018] Figure 2 It is Figure 1 It is a perspective view of the filling equipment.

[0019] Figure 3 It is Figure 1 It is a schematic view of the bag feeding device in the filling equipment.

[0020] Figure 4 It is Figure 1 It is a structure exploded view of the bag feeding device in the filling equipment.

[0021] Figure 5 It is a combined schematic view of the bag clamping assembly and the bag opening assembly in the embodiment of the utility model.

[0022] Figure 6 It is a top view of the bag opening assembly driving part in the utility model. DETAILED DESCRIPTION

[0023] Referring to the drawings. The bag feeding device provided by the utility model is located at the top of the equipment, which can be a filling machine. The filling machine can be a machine where the filling station is located, or a machine where the station matched with the filling station is located. The equipment can also be other equipment that needs to use bags for packaging. Preferably, the filling machine is used, and the equipment of the embodiment is a filling machine, which is provided with a filling station and a sealing device. The filling machine is a linear conveying type filling machine. The filling mechanism above the filling station is indicated by reference numeral 400.

[0024] A lower bag guide channel 101 is provided in the equipment, and the lower end of the lower bag guide channel 101 is a bag taking station. The bag clamping device takes bags from the bag taking station 300 and then sends them to the filling station. The equipment using the utility model can be provided with a plurality of lower bag guide channels 101 arranged in a horizontal linear type.

[0025] The bag feeding device includes a bag feeding mechanism and a bag taking mechanism. The bag feeding mechanism is located at the top of the equipment and deviates from the side of the lower bag guide channel 101. The bag feeding mechanism can be provided with a plurality of storage bag guide channels 1 arranged in a linear type with consistent spacing from the lower bag guide channel 101. The bag stack 200 is placed in the storage bag guide channel 1. At least most or all (i.e. the embodiment) of the storage bag guide channels 1 are located outside the side of the top of the equipment (i.e. outside the side of the main body rack 100 of the equipment). Regardless of which one, it is more convenient and safer to place bags than to directly place them on the top of the equipment in the past. The bag taking mechanism can use a telescopic suction cup group 2 driven by a gas cylinder as a bag taking manipulator. The bag taking mechanism is provided with a plurality of bag taking manipulators corresponding to the storage bag guide channels.

[0026] The bag feeding device is provided with a bag conveying mechanism, which is provided with a plurality of bag positioning structures for limiting the bags taken out by the bag taking mechanism. The bags 201 limited by the bag positioning structures are conveyed to the upper side of the lower bag guide channel by the bag conveying mechanism. The spacing of the bag positioning structures corresponds to the spacing of the plurality of lower bag guide channels 101.

[0027] The bag feeding device is provided with a bag conveying plate 3 corresponding to the bottom of the bag 201, and a lower bag door 4 that can be opened and closed is arranged at the position of the bag conveying mechanism corresponding to the lower bag guide channel 1. The lower bag door 4 is connected with a driving mechanism (such as a gas cylinder 40) and can move forward and backward.

[0028] The bag conveying structure comprises a bag back support structure and a transverse conveying mechanism, and the bag can be conveyed vertically. The transverse conveying mechanism can adopt a belt conveying mechanism. A belt 5 in the belt conveying mechanism can be vertically arranged. The vertically arranged belt 5 can play the role of the bag back support structure. A support plate 50 can also be arranged. The height of the support plate 50 is higher than that of the vertically arranged belt, and the support plate 50 also serves as the bag back support structure. The bag positioning structure comprises left and right limiting structures of the bag, such as two L-shaped components 6. After being installed on the conveying belt, the two L-shaped components 6 form two limiting grooves. The telescopic suction cup group 2 sucks the bag at the outlet of the bag storage guide channel 1. After being retracted, the bag 201 falls into the two limiting grooves. The bag positioning structure can move to and from the position corresponding to the bag supply mechanism and the position corresponding to the bag guide channel 101 under the operation of the conveying belt, so as to convey the bag and reset.

[0029] Along the conveying path of the bag, the bag feeding device is provided with a bag blocking structure in front of the front face of the bag. The bag blocking structure can be a bag blocking rod 7 or a plate.

[0030] As another embodiment of the transverse conveying mechanism, the belt conveying mechanism can adopt a vacuum belt conveying mechanism. The vacuum belt conveying mechanism positions the bag by sucking the bag through a vacuum suction port on the surface of the conveying belt. The vacuum suction port serves as the bag positioning structure.

[0031] As shown in Figure 5 、 6 In the filling machine, a bag clamping device and a bag opening mechanism are arranged. The bag clamping device comprises a bag clamping assembly 500 for conveying the bag between stations. The bag opening mechanism is provided with a bag opening assembly for opening the bag after the bag clamping assembly receives the bag. The bag opening assembly comprises a first bag suction element 81 and a second bag suction element 82 arranged oppositely. The first bag suction element 81 and the second bag suction element 82 are respectively provided with a bag suction site 80 for respectively sucking two faces of the bag. The bag suction site 80 can be a suction port or a suction cup, etc. The bag suction sites 80 of the first bag suction element 81 and the second bag suction element 82 are matched in groups. Each group of bag suction sites is directed to one bag 201. This embodiment also provides a scheme with simple structure and suitable for arranging multiple groups of bag suction sites. The first bag suction element 81 and the second bag suction element 82 are both long tube structures. Multiple bag suction sites 80 are arranged along the length direction of the long tube.

[0032] The opening bag assembly is also provided with an opening and closing driving assembly, the first bag suction element 81 and the second bag suction element 82 are connected with the opening and closing driving assembly and can be opened and closed, the opening and closing driving assembly is connected with the lifting mechanism, the opening bag assembly is connected on the lifting mechanism, the lifting mechanism adopts a cylinder 8 which is installed on the mounting plate 600. When the opening bag action is operated, the first bag suction element 81 and the second bag suction element 82 first move towards the bag, suck the bag, then move away from the bag to open the bag, at the same time, the bag clamps are synchronously retracted to facilitate the bag to be opened.

[0033] In the embodiment, the opening and closing driving assembly comprises an opening and closing driving power 91, a common connecting rod 92, a first connecting rod 93 and a second connecting rod 94, the opening and closing driving power 91 is connected with the common connecting rod 92 and drives the common connecting rod 92 to rotate around an axis perpendicular to the horizontal plane, one end of the first connecting rod 93 and the second connecting rod 94 is rotatably connected with two ends of the common connecting rod 92 respectively, the other end of the first connecting rod 93 and the second connecting rod 94 is connected with a first connecting frame 95 and a second connecting frame 96 respectively, the first connecting frame 95 and the second connecting frame 96 are connected with the first bag suction element 81 and the second bag suction element 82 respectively. The opening and closing driving power is connected with a mounting seat 9, the mounting seat 9 is provided with a guide sleeve 97, 98 matched with guide rods in the first connecting frame 95 and the second connecting frame 96, and the mounting seat 9 is connected with the cylinder 8.

[0034] Unless otherwise specified and limited, in the utility model, if there are terms "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial" and the like indicating the position or positional relationship, it is based on the position or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore the terms describing the position or positional relationship in the utility model are only used for example description, and cannot be understood as the limitation of the patent, and for ordinary skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances in combination with the drawings.

[0035] Unless otherwise specified and limited, in the utility model, if there are terms "setting", "clamping" and "connection", they should be understood in a broad sense, for example, it can be fixed connection, can be detachable connection, or integrally connected, can be directly connected, or indirectly connected through an intermediate medium, and can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0036] The above is only a specific embodiment of the utility model, but the structural characteristics of the utility model are not limited to this, any change or modification made by ordinary skilled in the art in the field of the utility model is covered in the protection scope of the utility model.

Claims

1. A bag feeding device located at the top of an apparatus in which a bag guiding channel is provided, said bag feeding device comprising a bag supply mechanism and a bag taking mechanism, characterized in that, The bag feeding mechanism is located on the top of the device and deviates from the side of the lower bag guide channel, the bag feeding device is provided with a bag conveying mechanism, the bag conveying mechanism is provided with a bag positioning structure for limiting the bag taken by the bag taking mechanism and conveying the bag to the upper side of the lower bag guide channel.

2. A bagging apparatus as claimed in claim 1, wherein, The bag feeding device is provided with a bag conveying supporting plate corresponding to the bottom of the bag, and a lower bag door which can be opened and closed is arranged at the position corresponding to the lower bag guide channel.

3. A bagging apparatus as in claim 1, wherein, The bag conveying structure includes a bag back supporting structure and a horizontal conveying mechanism, so that the bag can be conveyed vertically, and the bag positioning structure is installed on the horizontal conveying mechanism and can move to and from the position corresponding to the bag feeding mechanism and the position corresponding to the lower bag guide channel.

4. A bagging apparatus as claimed in claim 3, wherein, The horizontal conveying mechanism adopts a belt conveying mechanism, the belt in the belt conveying mechanism is vertically arranged, the bag positioning structure includes left and right limiting structures of the bag, and the left and right limiting structures can be horizontally conveyed.

5. A bagging apparatus as in claim 2 wherein, The lower bag door is connected with a driving mechanism and can move forward and backward.

6. A bagging apparatus as in claim 1, wherein, Along the conveying path of the bag, the bag feeding device is provided with a bag blocking structure in front of the front surface of the bag.

7. A bagging apparatus as in claim 1, wherein, The device is a filling machine, and the filling machine is a linear conveying type filling machine.

8. A bagging apparatus as in claim 3 wherein, The lower bag guide channel is provided with a plurality of parallel horizontal linear arrangements, the bag feeding mechanism is provided with a plurality of linearly arranged bag storage guide channels with the same spacing as the lower bag guide channel, the bag taking mechanism is provided with a plurality of bag taking mechanical arms corresponding to the bag storage guide channels, the horizontal conveying mechanism has linear conveying sections corresponding to the positions of the bag feeding mechanism and the positions of the lower bag guide channel, a plurality of bag positioning structures are installed on the horizontal conveying mechanism, and the spacing of the bag positioning structures corresponds to the spacing of the plurality of lower bag guide channels.

9. A bagging apparatus as in claim 1, wherein, The bag feeding mechanism adopts a bag storage guide channel, and at least most of the bag storage guide channels are located outside the side of the top of the device.

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