Bag making machine for filling bag
Technical Field
The utility model relates to the field of packaging technology, especially, relate to a bag machine is made to filling bag.
Background
In the process of packaging and transporting, the filling bag can effectively prevent the goods in the transportation from moving, fills the gap between the goods, supports the weight generated by shaking the goods, absorbs the vibration and protects the goods from being damaged in the transportation.
In the prior art, a plastic film is usually prepared into a conjoined filling bag by a bag making machine, in the preparation process, a plurality of groups of longitudinal heat sealing strips vertical to the length direction are firstly pressed on a roll of plastic film by a heat sealing device, one group is two, and then a tearing line (point-breaking/dotted line type connecting line) convenient to tear is repeatedly cut between each group of longitudinal heat sealing strips by a cutting device to form the conjoined filling bag.
However, when the conventional bag making machine is used for preparing the conjoined filling bag, the heat sealing device can only form a group of longitudinal heat sealing strips once, so that the efficiency of manufacturing the heat sealing strips is low, and the efficiency of cutting tear lines by the corresponding cutting device is also low, so that the efficiency of producing the conjoined filling bag is low.
In addition, the heat sealing device and the cutting device both need two driving mechanisms to drive the two ends of the heat sealing device and the cutting device to run up and down simultaneously, so that the defect that the two ends run asynchronously exists, and the heat sealing device and the cutting device need four driving mechanisms in total, so that the power consumption is high.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model aims at providing a fill bag system bag machine can solve the system bag machine preparation disjunctor among the prior art and fill the problem of bag efficiency ratio lower.
Based on this, the utility model provides a fill bag system bag machine.
A filling bag making machine comprises a rack, wherein a feeding device of a plastic film, a heat sealing device for sealing the plastic film strip, a cutting device for punching a tear line, a cutting device for dividing the plastic film into two parts and a winding device are sequentially arranged on the rack, the heat sealing device comprises a heat sealing plate, a group of transverse cutting edges and two groups of symmetrical longitudinal cutting edges are arranged on the heat sealing plate, the cutting device comprises four point-breaking cutters for cutting the tear line, and the winding device comprises two winding components.
Furthermore, the heat sealing device comprises a heat sealing table, the heat sealing plate is vertically arranged on the heat sealing table in a sliding mode, four heat sealing cam mechanisms for driving the heat sealing plate to move up and down are arranged on the machine frame, and the four heat sealing cam mechanisms are connected with a heat sealing driving mechanism for driving the four heat sealing cam mechanisms to move.
Further, the heat-sealing driving mechanism is a heat-sealing motor, and the heat-sealing motor is connected with the four heat-sealing cam mechanisms through a transmission mechanism.
Furthermore, the point breaking knife is vertically arranged on the rack in a sliding mode, two cutting cam mechanisms which drive the point breaking knife to move up and down are arranged on the rack, and the two cutting cam mechanisms are connected with a cutting driving mechanism which drives the point breaking knife to move.
Further, the cutting driving mechanism is a cutting motor, and the cutting motor is connected with the two cutting cam mechanisms through a transmission mechanism.
Further, the slitting device comprises a slitting knife for slitting the film along the length direction of the film.
The utility model has the advantages that: the heat sealing device is provided with a group of transverse cutting edges on the heat sealing plate, and two groups of longitudinal cutting edges are symmetrically arranged on two sides of each transverse cutting edge, so that a group of transverse heat sealing strips and two groups of longitudinal heat sealing strips positioned on two sides of each transverse heat sealing strip can be pressed on the plastic film by the heat sealing device once, the heat sealing efficiency is improved, the number of the cutting-off cutters on the corresponding cutting device is increased from two to four, the tearing lines are repeatedly cut between the two longitudinal heat sealing strips in pairs, and two rolls of conjoined filling bags can be produced once by the cutting device along the middle of the transverse heat sealing strips, so that the efficiency of the whole bag making machine for preparing the filling bags is improved; in addition, the four cam mechanisms are driven by one heat-sealing driving mechanism to rotate to drive the heat-sealing device to move up and down, the two cam mechanisms are driven by one cutting driving mechanism to rotate to drive the cutting device to move up and down, the four driving mechanisms are changed into the two driving mechanisms, the synchronism of the operation of the two ends of the heat-sealing device and the operation of the two ends of the cutting device are improved, the driving mechanisms are saved, the structure is simple, and the energy consumption is saved.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic structural view of a heat seal plate according to an embodiment of the present invention.
The automatic cutting machine comprises a machine frame 1, a conveying roller 11, a conveying roller 12, a first conveying clamping roller 13, a second conveying clamping roller 2, a feeding device 21, a feeding roller 3, a stretching device 31, a stretching support frame 32, a fixed stretching roller 33, a movable stretching roller 4, a heat sealing device 41, a heat sealing plate 411, a transverse knife edge 412, a longitudinal knife edge 412, a heat sealing table 42, a cutting device 5, a point cutting knife 51, a point cutting table 52, a cutting device 6, a cutting knife 61, a winding device 7, a winding conveying roller 71, a winding stretching roller 72 and a winding shaft 73.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
As shown in fig. 1 and 2, the filling bag making machine comprises a frame 1, wherein a feeding device 2 is arranged at one end of the frame 1, the feeding device 2 comprises a feeding roller 21, and the feeding roller 21 plays a role of placing a double-layer plastic film.
The downstream that lies in loading attachment 2 on frame 1 is equipped with stretching device 3, and stretching device 3 is including tensile support frame 31, is equipped with a plurality of fixed stretching rollers 32 and the stretching roller 33 of activity on the support frame 31 and stretches plastic film, and the stretching roller 33 of activity all connects on a fly leaf, and this fly leaf is close to loading attachment's one end and tensile support frame 31 articulated, and the other end is connected with the stretching cylinder of its upper and lower operation of drive, and the stiff end of this stretching cylinder is fixed on tensile support frame 31.
Conveying rollers 11 are arranged on the frame 1 at the downstream of the stretching device 3 to play a role in conveying, guiding and limiting. A first conveying pinch roller 12 is arranged on the machine frame 1 at the downstream of the conveying roller 11, the gap between the first conveying pinch rollers 12 is equal to the thickness of the plastic film, when the plastic film is conveyed to the first conveying pinch roller 12, the first conveying pinch roller 12 presses the plastic film to prevent the plastic film from tilting, and a positioning effect is achieved.
The heat-sealing device 4 is arranged on the machine frame 1 and located at the downstream of the first conveying clamping roller 12, the heat-sealing device 4 comprises a heat-sealing table 42 fixed on the machine frame 1 and a heat-sealing plate 41 which vertically slides up and down on the heat-sealing table 42 and is pressed, a group of transverse blades 411 are arranged on the bottom surface of the heat-sealing plate 41, two groups of longitudinal blades 412 are symmetrically arranged on two sides of the group of transverse blades 411 respectively, four groups of longitudinal blades 412 are totally arranged, a distance is reserved between one end of each group of longitudinal blades 412 close to the transverse blades 411 and the transverse blades 411 for performing heat-sealing pressing, the heat-sealing plate 41 runs once, and the group of transverse blades 411 and the four groups of longitudinal blades 412 simultaneously press a group of transverse heat-sealing strips and two groups of longitudinal heat-sealing strips. The heat sealing device 4 further comprises four cam mechanisms arranged on the frame 1 and used for driving the heat sealing plate 41 to slide up and down, each cam mechanism is a group, two cam mechanisms respectively drive two sides of the heat sealing plate 41 to slide up and down, a heat sealing driving mechanism is further arranged on the frame 1 and is a heat sealing motor, the heat sealing motor is connected with the four heat sealing cam mechanisms and used for driving the heat sealing cam mechanisms to operate, so that the heat sealing plate 41 is driven to operate up and down, and heat sealing strips are pressed on the plastic film.
A second conveying nip roller 13 is arranged on the frame 1 at the downstream of the heat sealing device 4, and the second conveying nip roller 13 presses the film to prevent the film from tilting and has a positioning function in the same structure and function as the first conveying nip roller 12.
The downstream of the second conveying roller 13 on the frame 1 is provided with a cutting device 5, the cutting device 5 comprises a cutting table 52 fixed on the frame and point cutting knives 51 sliding up and down on the cutting table 52, the number of the point cutting knives 51 is 4, the 4 point cutting knives are perpendicular to the length direction of the film and are arranged on the cutting device 5 at equal intervals, every two of the 4 point cutting knives repeatedly cut a tear line between each group of longitudinal heat sealing strips extruded out and located on two sides of the transverse heat sealing strip, and the four point cutting knives simultaneously cut two tear lines, so that the efficiency of cutting the tear lines is improved.
A cutting device 6 is arranged on the machine frame 1 at the downstream of the cutting device 5, the cutting device 6 comprises a cutting knife 61, the cutting knife 61 is fixed in the middle of the machine frame through a fixing frame and is right opposite to a group of films (the middle of two sealing strips extends towards the films, and when the films slide to the cutting knife, the cutting knife 61 cuts the films into two parts from the middle of the two transverse heat sealing strips of the films.
Lie in cutting device 6 low reaches and be equipped with coiling mechanism 7 in frame 1, coiling mechanism 7 includes that two rolling subassemblies are respectively to being rolled up by two films that the cutter 61 cut, and two rolling subassemblies are respectively including the rolling transfer roller 71 to the film conveying that sets gradually, to the tensile rolling stretching roll 72 of film and the rolling axle 73 of rolling up the film that is divided into two to two rolling subassemblies are the setting of co-altitude so that stagger the rolling of the film that will divide the cut.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.