Folding device of bag making machine

Abstract

The folding device of the bag making machine comprises a machine frame and further comprises a steering assembly, a guiding assembly, a positioning assembly and a slitting assembly, a slitting tool rest, a blade and a pressing roller are arranged to slit a packaging film, the pressing roller is used for pressing the packaging film, the packaging film is made to be tightly attached to a fourth guiding roller, and therefore the packaging film can be conveniently folded. According to the packaging film slitting device, the packaging film is prevented from being tilted to affect slitting, the slitting precision is improved, subsequent preparation is guaranteed, the quality of finished packaging bags is improved, the packaging film is guided through the positioning assembly, the packaging film is effectively prevented from deviating in the conveying process, and therefore the slitting precision is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of packaging film processing, in particular to a folding device of a bag making machine. Background Art

[0002] Patent document CN220785072U discloses a slitting gantry of a bag-making machine, including a frame slidably arranged on a bag-making machine frame, the frame including two parallel first mounting bars and second mounting bars, the two ends of the first mounting bars and the second mounting bars are connected by support rods, the inner sides of the two support rods are respectively provided with steering roller groups, the two ends of one side of the first mounting bars and the second mounting bars are respectively provided with rollers, the outer side of the first mounting bar is provided with an introduction roller, a cutter is provided between the introduction roller and the first mounting bar, a mounting crossbeam is provided between the first mounting bar and the second mounting bar, and the first and second turning rods are respectively provided between the side of one end of the mounting crossbeam close to the first mounting bar and the upper and lower ends of the side of the second mounting bar. The utility model has a simple structure, and during the film material conveying process, it is divided into two, which does not affect the film material feeding speed, and is suitable for high-speed automated production.

[0003] However, the slitting gantry does not have a positioning component to limit the packaging film, which easily causes the packaging film to deviate, causing the middle of the packaging film to be not on the same horizontal line as the knife holder, resulting in poor cutting. Therefore, it is necessary to improve such a structure to overcome the above defects. Utility Model Content

[0004] The purpose of the utility model is to provide a folding device for a bag making machine to solve the problems raised in the above background technology.

[0005] The technical solution adopted by the utility model to solve its technical problems is:

[0006] A folding device for a bag making machine, comprising a frame and:

[0007] A steering assembly is arranged in the frame, and a contact space is arranged on the surface of the steering assembly;

[0008] A guide assembly is arranged in the frame, and a contact space is arranged on the surface of the guide assembly;

[0009] A positioning component is arranged in the frame, a positioning space is arranged in the positioning component, and the packaging film is limited by the positioning component;

[0010] A slitting assembly is arranged in the frame and is used to slit the packaging film.

[0011] The utility model is further configured that the steering assembly comprises:

[0012] A first turning rod, which is arranged at one side of the frame, and a guide portion is arranged at one side of the first turning rod, and the guide portion is circular in shape, and the packaging film is driven by the first turning rod to turn;

[0013] A second turning rod, which is arranged on the other side of the frame, has the same shape as the first turning rod, and drives the packaging film to turn by the second turning rod;

[0014] The third turning rod is arranged below the second turning rod. The shape of the second turning rod is the same as that of the first turning rod. The third turning rod drives the packaging film to turn.

[0015] The utility model is further configured that the guide assembly includes:

[0016] A first guide roller, the first guide roller being arranged on one side of the first turning rod;

[0017] a second guide roller, which is disposed on one side of the first guide roller and guides the packaging film;

[0018] a third guide roller, the third guide roller being arranged on one side of the second guide roller;

[0019] a fourth guide roller, the fourth guide roller being arranged at one side of the third guide roller;

[0020] A first tensioning roller, the first tensioning roller is arranged on the top of the frame;

[0021] The second tensioning roller is arranged below the first tensioning roller.

[0022] The utility model is further configured that the positioning component includes:

[0023] A pair of positioning ring grooves are provided, and the positioning ring grooves are respectively formed in the second guide roller and the fourth guide roller. The positioning ring grooves are recessed radially toward the inner side of the guide roller. The cross-section of the positioning ring groove is trapezoidal. An accommodating space is provided in the positioning ring groove, and the packaging film is limited by the positioning ring groove.

[0024] The utility model is further configured that the slitting assembly comprises:

[0025] A slitting knife frame, which is arranged in the frame, and is located on one side of the fourth tensioning roller. The slitting knife frame is in an L-shape, and is provided with a support column and a fixing groove;

[0026] A blade is arranged in a fixed groove of the slitting blade holder, and the packaging film is slit by the blade;

[0027] A clamping roller is movably connected to a support column of the slitting knife frame, and the clamping roller abuts against the surface of the fourth guide roller. The clamping roller ensures that the packaging film is tightly attached to the fourth tensioning roller.

[0028] The utility model is further configured such that the axes of the first tensioning roller and the second tensioning roller are parallel.

[0029] The advantages of the utility model are:

[0030] 1. The utility model cuts the packaging film by arranging a slitting knife holder, a blade and a pressing roller, and presses the packaging film by the pressing roller, so that the packaging film is tightly attached to the fourth guide roller, thereby avoiding the packaging film from warping up and affecting the slitting, increasing the slitting accuracy, ensuring the subsequent preparation, and increasing the quality of the finished packaging bag.

[0031] 2. The utility model guides the packaging film by setting a positioning component, which effectively prevents the packaging film from being offset during transmission, thereby ensuring the accuracy of slitting. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 It is a front view of the folding device of the bag making machine proposed by the utility model.

[0033] Figure 2 It is a right side view of the folding device of the bag making machine proposed by the utility model.

[0034] Figure 3 It is a left side view of the folding device of the bag making machine proposed by the utility model.

[0035] Figure 4 It is a three-dimensional diagram of the folding device of the bag making machine proposed by the utility model.

[0036] Figure 5 The utility model is a schematic diagram of the internal structure of the folding device of the bag making machine.

[0037] Figure 6 It is a structural schematic diagram of the cutting assembly proposed by the utility model.

[0038] Numeral symbols: frame 100, first steering rod 110, second steering rod 120, third steering rod 130, first guide roller 210, second guide roller 220, third guide roller 230, fourth guide roller 240, first tensioning roller 250, second tensioning roller 260, positioning ring groove 310, slitting knife holder 410, blade 420, pressing roller 430 DETAILED DESCRIPTION

[0039] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model clearer, the technical scheme in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. The components of the embodiment of the utility model generally described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiment of the utility model provided in the drawings is not intended to limit the scope of the utility model claimed for protection, but merely represents the selected embodiment of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model.

[0040] like Figure 1-6 As shown, the utility model proposes a folding device for a bag making machine, including a frame 100, characterized in that it also includes a steering component, a guide component, a positioning component and a slitting component, the steering component is arranged in the frame, and a contact space is arranged on the surface of the steering component, the guide component is arranged in the frame, and a contact space is arranged on the surface of the guide component, the positioning component is arranged in the frame, and a positioning space is arranged in the positioning component, the positioning component limits the packaging film, and the slitting component is arranged in the frame, and the packaging film is slitting by the slitting component.

[0041] In this embodiment, the steering assembly includes a first steering rod 110, a second steering rod 120 and a third steering rod 130. The first steering rod is arranged on one side of the frame. A guide portion is arranged on one side of the first steering rod. The shape of the guide portion is circular. The first steering rod drives the packaging film to steer. The second steering rod is arranged on the other side of the frame. The shape of the second steering rod is the same as that of the first steering rod. The packaging film is steered by the second steering rod. The third steering rod is arranged below the second steering rod. The shape of the second steering rod is the same as that of the first steering rod. The packaging film is steered by the third steering rod.

[0042] In this embodiment, the guide assembly includes a first guide roller 210, a second guide roller 220, a third guide roller 230, a fourth guide roller 240, a first tensioning roller 250 and a second tensioning roller 260. The first guide roller is arranged on one side of the first turning rod, the second guide roller is arranged on one side of the first guide roller, and the packaging film is guided by the second guide roller. The third guide roller is arranged on one side of the second guide roller, and the fourth guide roller is arranged on one side of the third guide roller. The first tensioning roller is arranged on the top of the frame, and the second tensioning roller is arranged below the first tensioning roller.

[0043] In this embodiment, the positioning assembly includes a positioning ring groove 310, which is provided with a pair of positioning ring grooves, which are respectively formed in the second guide roller and the fourth guide roller. The positioning ring groove is recessed radially toward the inner side of the guide roller. The cross-section of the positioning ring groove is trapezoidal. An accommodating space is provided in the positioning ring groove, and the packaging film is limited by the positioning ring groove.

[0044] In this embodiment, the slitting assembly includes a slitting knife frame 410, a blade 420 and a pressure roller 430. The slitting knife frame is arranged in the frame. The slitting knife frame is located on one side of the fourth tensioning roller. The slitting knife frame is L-shaped. A support column and a fixed groove are provided in the slitting knife frame. The blade is arranged in the fixed groove of the slitting knife frame. The packaging film is cut by the blade. The pressure roller is movably connected to the support column of the slitting knife frame. The pressure roller abuts against the surface of the fourth guide roller. The pressure roller ensures that the packaging film is tightly attached to the fourth tensioning roller.

[0045] In this embodiment, the axes of the first tension roller and the second tension roller are parallel.

[0046] In the description of the present utility model, it should be noted that when terms such as "upper", "lower", "inner", "outer", "left", "right" and the like indicating orientation or positional relationship appear, it should be understood that the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the utility model product is usually placed when in use, or the orientation or positional relationship commonly understood by those skilled in the art, is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the equipment or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, when terms such as "first" and "second" appear, they are only used to distinguish the description, and cannot be understood as indicating or implying relative importance. In the description of the present utility model, it should also be noted that, unless otherwise clearly specified and limited, terms such as "installation", "setting", and "connection" should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal connection of two elements. For those skilled in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

Claims

1. A bag-making machine folding device, comprising a frame, characterized in that: Also includes: A steering assembly is arranged in the frame, and a contact space is arranged on the surface of the steering assembly; A guide assembly is arranged in the frame, and a contact space is arranged on the surface of the guide assembly; A positioning component is arranged in the frame, a positioning space is arranged in the positioning component, and the packaging film is limited by the positioning component; A slitting assembly is arranged in the frame and is used to slit the packaging film.

2. A folding device for a bag making machine according to claim 1, characterized in that: The steering assembly includes: A first turning rod, which is arranged at one side of the frame, and a guide portion is arranged at one side of the first turning rod, and the guide portion is circular in shape, and the packaging film is driven by the first turning rod to turn; A second turning rod, which is arranged on the other side of the frame, has the same shape as the first turning rod, and drives the packaging film to turn by the second turning rod; The third turning rod is arranged below the second turning rod. The shape of the second turning rod is the same as that of the first turning rod. The third turning rod drives the packaging film to turn.

3. A folding device for a bag making machine according to claim 2, characterized in that: The guide components include: A first guide roller, the first guide roller being arranged on one side of the first turning rod; a second guide roller, which is disposed on one side of the first guide roller and guides the packaging film; a third guide roller, the third guide roller being arranged on one side of the second guide roller; a fourth guide roller, the fourth guide roller being arranged at one side of the third guide roller; A first tensioning roller, the first tensioning roller is arranged on the top of the frame; The second tensioning roller is arranged below the first tensioning roller.

4. A folding device for a bag making machine according to claim 3, characterized in that: The positioning components include: A pair of positioning ring grooves are provided, and the positioning ring grooves are respectively formed in the second guide roller and the fourth guide roller. The positioning ring grooves are recessed radially toward the inner side of the guide roller. The cross-section of the positioning ring groove is trapezoidal. An accommodating space is provided in the positioning ring groove, and the packaging film is limited by the positioning ring groove.

5. The folding device of a bag making machine according to claim 3, characterized in that: Slitting components include: A slitting knife frame, which is arranged in the frame, and is located on one side of the fourth tensioning roller. The slitting knife frame is in an L-shape, and is provided with a support column and a fixing groove; A blade is arranged in a fixed groove of the slitting blade holder, and the packaging film is slit by the blade; A clamping roller is movably connected to a support column of the slitting knife frame, and the clamping roller abuts against the surface of the fourth guide roller. The clamping roller ensures that the packaging film is tightly attached to the fourth tensioning roller.

6. The folding device of a bag making machine according to claim 3, characterized in that: The axes of the first tension roller and the second tension roller are parallel.

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