Double-row three-edge sealing bag forming mechanism

Abstract

The utility model discloses a double-row three-edge sealing bag forming mechanism which comprises a machine frame, and a roller, a film cutting device, a first material barrel, a second material barrel, a first collar, a second collar and a forming device are arranged on the machine frame. The packaging film is guided to the film cutting device through the roller, the packaging film can be divided into two rows, the first collar and the second collar fold the two rows of packaging films into bags respectively, the two rows of packaging films are matched with the forming device to achieve double-row forming, compared with a single-row forming packaging machine, more packaging bags can be produced in unit time, and the packaging efficiency is improved. And the production efficiency is effectively improved. In addition, the whole structure is compact, the occupied space is small, installation and use in a limited production site are facilitated, double-row simultaneous packaging can be achieved under the condition that the structure of an existing packaging machine is not changed, and the working efficiency of the packaging machine is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to packing equipment technical field more specifically, especially, it is particularly related to a double row three edge seal bag forming mechanism. BACKGROUND

[0002] The packaging machine is the machine that product is packaged with packing bag, and the packaging machine is various, and can be divided into back seal type, three edge seal, four edge seal and triangle seal etc. according to sealing form.The bag forming mechanism of existing packaging machine is mostly single column packing structure, and only one kind of packing bag can be made each time, and the efficiency is not high enough, and the utilization of packing film is not enough. UTILITY MODEL CONTENTS

[0003] The utility model provides a double row three edge seal bag forming mechanism to solve the problem in above -mentioned background art, to realize above -mentioned purpose, the utility model provides following technical scheme: a double row three edge seal bag forming mechanism, including frame, be equipped with roller, film cutting device, first material cylinder, second material cylinder, first collar, second collar and former on the frame, the roller is used to guide the film cutting device with packing film, the film cutting device is divided into two columns with packing film, the first material cylinder and the second material cylinder are inserted in the former respectively, the first collar is located above the former, and it is used to fold the one column packing film after division into shape and guide to the gap between the first material cylinder and the former, the second collar is located above the former, and it is used to fold the other column packing film after division into shape and guide to the gap between the second material cylinder and the former.

[0004] Preferably, the structure of the first collar is the same as that of the second collar.

[0005] Preferably, the first collar and the second collar are both three edge seal collars.

[0006] Preferably, the film cutting device includes a slitting cutter holder, a slitting cutter seat, a slitting cutter blade, and a slitting film plate. The slitting cutter seat is connected to the frame through the slitting cutter holder. The slitting cutter blade is rotatably arranged on the slitting cutter seat. The slitting film plate is connected to the frame. A knife groove is formed on the slitting film plate, and the knife groove is arranged in cooperation with the slitting cutter blade.

[0007] Preferably, the slitting cutter holder includes a pair of parallel slitting fixed plates. A pair of parallel slitting fixed shafts are arranged between the pair of slitting fixed plates. The slitting cutter seat is slidably connected between the slitting fixed shafts. A screw hole is arranged on the slitting cutter seat. A screw is arranged in the screw hole. The slitting cutter seat is fixed on the slitting fixed shafts through the screw. A sliding groove is arranged on the slitting fixed plate. A pair of mounting holes are arranged on the frame in cooperation with the sliding groove.

[0008] Preferably, the rack comprises a horizontal plate, a back plate and an inverted U-shaped frame; the first collar and the second collar are connected with the upper part of the back plate respectively, and the former is connected with the lower part of the back plate; the outer side of the first collar is provided with a fixing block which is connected with the horizontal plate; the bottom of the second collar is connected with the horizontal plate through a bolt; and the first material cylinder and the second material cylinder are respectively installed on the inverted U-shaped frame.

[0009] Preferably, the former comprises a first through slot, a second through slot, a first toothed groove and a second toothed groove; the first through slot is arranged in cooperation with the first material cylinder, the first material cylinder is inserted into the first through slot, and a gap for the packaging film to pass through is left between the first material cylinder and the first through slot; the second through slot is arranged in cooperation with the second material cylinder, the second material cylinder is inserted into the second through slot, and a gap for the packaging film to pass through is left between the second material cylinder and the second through slot; the first through slot is provided with a first opening slot which is arranged in cooperation with the first toothed groove; and the second through slot is provided with a second opening slot which is arranged in cooperation with the second toothed groove.

[0010] Preferably, the former comprises a first longitudinal sealing device and a second longitudinal sealing device; the first longitudinal sealing device is arranged in cooperation with the first toothed groove and hot-press seals the packaging film which extends out of the first opening slot; and the second longitudinal sealing device is arranged in cooperation with the second toothed groove and hot-press seals the packaging film which extends out of the second opening slot.

[0011] Compared with the prior art, the utility model has the advantages that: the utility model discloses a double-column three-edge sealing bag forming mechanism which comprises a rack, a first collar, a second collar, a first material cylinder, a second material cylinder and a former. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a structure diagram of the double-column three-edge sealing bag forming mechanism of the utility model embodiment.

[0013] Figure 2 It is a structure diagram of another perspective of the double-column three-edge sealing bag forming mechanism of the utility model embodiment.

[0014] Figure 3Another view structure diagram of the double-row three-edge sealing bag forming mechanism of the embodiment of the utility model;

[0015] Figure 4 Front view of the double-row three-edge sealing bag forming mechanism of the embodiment of the utility model;

[0016] Figure 5 Back view of the double-row three-edge sealing bag forming mechanism of the embodiment of the utility model;

[0017] Figure 6 Side view of the double-row three-edge sealing bag forming mechanism of the embodiment of the utility model;

[0018] In Figures 1 to 6 Corresponding relationship of each component name and figure number in the description is as follows:

[0019] 1--frame, 11--horizontal plate, 12--back plate, 13--inverted U-shaped frame, 14--fixed block, 2--roller, 3--film cutting device, 31--cutting knife holder, 311--cutting fixed plate, 311a--slotted guide, 312--cutting fixed shaft, 32--cutting knife seat, 33--cutting blade, 34--cutting film plate, 34a--knife slot, 4--first material cylinder, 5--second material cylinder, 6--first collar, 7--second collar, 8--shaper, 81--first through slot, 82--second through slot, 83--first toothed groove, 84--second toothed groove, 85--first open slot, 86--second open slot. Specific implementation

[0020] The embodiment of the utility model will be further described in detail below in combination with the drawings and the embodiment, the drawings are only used for reference and cannot be used to limit the embodiment of the disclosure. The following embodiment is used to illustrate the utility model, but cannot be used to limit the range of the utility model.

[0021] In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more than two; the orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as limiting the device or element indicated or implied to have a specific orientation, to be constructed and operated in a specific orientation, therefore, it cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0022] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, term "link", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through intermediate medium.

[0023] Please refer to Figures 1 to 6 The utility model provides a double row three edge seal bag forming mechanism, including frame 1, be equipped with roller 2, film cutting device 3, first material cylinder 4, second material cylinder 5, first collar 6, second collar 7 and former 8 on the frame 1, the roller 2 is used to guide the film cutting device 3 with packaging film, the film cutting device 3 is divided into two rows with packaging film, the first material cylinder 4 and the second material cylinder 5 are inserted into the former 8 respectively, the first collar 6 is located above the former 8, and it is used to fold and form after dividing a row of packaging film and guide to the gap between the first material cylinder 4 and the former 8, the second collar 7 is located above the former 8, and it is used to fold and form after dividing another row of packaging film and guide to the gap between the second material cylinder 5 and the former 8.

[0024] In the embodiment of the utility model, the packaging film in the packaging machine is transported by the internal unwinding device, the roller 2 plays the role of transmission and orientation, so that the packaging film can move stably according to the predetermined path to the film cutting device 3, and then the film cutting device 3 carries out the segmentation operation to the transported packaging film. Through the work of the film cutting device 3, the packaging film is divided into two rows, one of which enters the first collar 6, and the other enters the second collar 7.

[0025] In the packaging equipment, the collar is a kind of key component for folding and forming packaging film, and the collar usually has arc convex, arc depression or similar shape, and its shape and size design are matched with packaging film and the shape of the packaging bag to be formed, can guide packaging film to fold according to specific path and mode, and can send the folded packaging film into subsequent forming station, such as the gap between the material cylinder and the former 8, so that the packaging film is initially formed into the shape of packaging bag.

[0026] In the embodiment, the divided packaging film passes through the first collar 6 and is folded into a bag under the guidance of the first collar 6, and enters into the gap between the first cylinder 4 and the former 8 along the surface of the first collar 6 to load the material falling from the first cylinder 4. Similarly, the other column of packaging film passes through the second collar 7 and enters into the gap between the second cylinder 5 and the former 8. The above process realizes the simultaneous processing of two columns of packaging film, which are further formed in the gap between the respective corresponding cylinder and the former 8, and finally form a three-side sealing bag or a back sealing bag, completing the entire forming process.

[0027] Compared with the traditional single-column forming mechanism, the double-column three-side sealing bag forming mechanism can divide the large-size packaging film into two columns and simultaneously process the two columns of packaging film, thereby producing more packaging bags in unit time and effectively improving the production efficiency. Secondly, dividing the packaging film into two columns for forming can more fully utilize the width of the packaging film, reduce material waste, and reduce production cost. In addition, the components such as the roller 2, the film cutting device 3, the cylinder, the collar and the former 8 in the embodiment are reasonably arranged on the rack 1, the overall structure is relatively compact, the occupied space is relatively small, and the production demand of various specifications of packaging bags can be met, which has strong adaptability and flexibility, facilitates upgrading and modification of the existing packaging machine, and improves the working efficiency of the existing packaging machine.

[0028] Further, the first collar 6 and the second collar 7 can adopt different styles of structures, such as one collar adopting a three-side sealing bag collar and the other collar adopting a back sealing bag collar, to meet the personalized packaging demand.

[0029] Preferably, the structure of the first collar 6 is the same as that of the second collar 7. In the embodiment, the two collars adopt the same structure design, which facilitates the simultaneous processing of two same types of packaging bags.

[0030] Preferably, the first collar 6 and the second collar 7 are both three-side sealing collars.

[0031] Preferably, the film cutting device 3 comprises a slitting knife holder 31, a slitting knife seat 32, a slitting knife blade 33 and a slitting film plate 34; the slitting knife seat 32 is connected with the frame 1 through the slitting knife holder 31, the slitting knife blade 33 is rotatably arranged on the slitting knife seat 32; the slitting film plate 34 is connected with the frame 1, a knife groove 34a is formed on the slitting film plate 34, and the knife groove 34a is arranged in cooperation with the slitting knife blade 33. In this embodiment, the packaging film is conveyed to the slitting film plate 34 of the film cutting device 3 under the action of the roller 2, the slitting film plate 34 plays a role of supporting and positioning the packaging film, and ensures that the packaging film is in the correct cutting position. The slitting knife blade 33 is rotatably installed on the slitting knife seat 32, and the slitting knife seat 32 is connected with the frame 1 through the slitting knife holder 31. When it is necessary to cut the packaging film, the cutting edge of the slitting knife blade 33 is cut into the knife groove 34a on the slitting film plate 34. With the rotation of the knife blade, the knife groove 34a plays a guiding and limiting role on the knife blade, and ensures the accuracy of the cutting path, so as to cut the packaging film along the predetermined cutting line and divide it into two rows.

[0032] Preferably, the slitting knife holder 31 comprises a pair of parallel slitting fixed plates 311, a pair of parallel slitting fixed shafts 312 are arranged between the pair of slitting fixed plates 311, and the slitting knife seat 32 is slidably connected with the slitting fixed shaft 312; a screw hole is arranged on the slitting knife seat 32, a screw is arranged on the screw hole, and the slitting knife seat 32 is fixed on the slitting fixed shaft 312 through the screw; a sliding groove 311a is arranged on the slitting fixed plate 311, and a pair of mounting holes matched with the sliding groove 311a are arranged on the frame 1.

[0033] In this embodiment, the slitting fixed plate 311 of the slitting knife holder 31 is provided with a sliding groove 311a, and the frame 1 is provided with a mounting hole matched with the sliding groove 311a. The slitting knife holder 31 can be installed on the frame 1 through bolts, and the installation position can be adjusted in the length direction of the sliding groove 311a, which is convenient for adapting to the packaging film conveying mechanism in various packaging machines. A pair of parallel slitting fixed shafts 312 are arranged between a pair of slitting fixed plates 311, and the slitting knife seat 32 is slidably connected with the slitting fixed shaft 312. When the slitting knife seat 32 is installed, the slitting knife seat 32 is sleeved on the slitting fixed shaft 312. According to the actual film cutting requirement, the position of the slitting knife seat 32 can be adjusted along the length direction of the slitting fixed shaft 312 through the sliding cooperation between the slitting knife seat 32 and the slitting fixed shaft 312, so as to meet different film cutting position requirements. A screw hole is arranged on the slitting knife seat 32, and a screw is arranged on the screw hole. After the slitting knife seat 32 is slid to the appropriate position, the slitting knife seat 32 is fixed on the slitting fixed shaft 312 by tightening the screw, so as to ensure that the slitting knife seat 32 does not slide randomly during the film cutting process.

[0034] Preferably, the frame 1 comprises a horizontal plate 11, a back plate 12 and a U-shaped frame 13; the first collar 6 and the second collar 7 are respectively connected to the upper part of the back plate 12, and the former is connected to the lower part of the back plate 12; the outer side of the first collar 6 is provided with a fixing block 14, which is connected to the horizontal plate 11; the bottom of the second collar 7 is connected to the horizontal plate 11 by means of a bolt; the first cylinder 4 and the second cylinder 5 are respectively installed on the U-shaped frame 13. In this embodiment, the first collar 6, the second collar 7 and the former 8 are respectively installed on the back plate 12, which is convenient for dismounting, so that different specifications of collars or formers 8 can be quickly replaced according to the packaging needs.

[0035] Preferably, the former 8 comprises a first through slot 81, a second through slot 82, a first toothed groove 83 and a second toothed groove 84; the first through slot 81 is arranged in cooperation with the first cylinder 4, the first cylinder 4 is inserted into the first through slot 81, and a gap is left between the first cylinder 4 and the first through slot 81 for the packaging film to pass through; the second through slot 82 is arranged in cooperation with the second cylinder 5, the second cylinder 5 is inserted into the second through slot 82, and a gap is left between the second cylinder 5 and the second through slot 82 for the packaging film to pass through; the first through slot 81 is provided with a first opening slot 85, which is arranged in cooperation with the first toothed groove 83; the second through slot 82 is provided with a second opening slot 86, which is arranged in cooperation with the second toothed groove 84.

[0036] In this embodiment, the two rows of packaging films cut by the film cutting device 3 are respectively folded into shape under the action of the first collar 6 and the second collar 7, and then are guided to the corresponding gaps. One row of packaging films is guided to the gap between the first cylinder 4 and the first through slot 81, and the other row of packaging films is guided to the gap between the second cylinder 5 and the second through slot 82, so that the packaging films are in the specified positions between the former 8 and the corresponding cylinders. In the process of the packaging films passing through the gaps, the first toothed groove 83 cooperates with the first opening slot 85 to perform a specific forming operation on the packaging film extending from the first opening slot 85, such as heat sealing, and the second toothed groove 84 cooperates with the second opening slot 86 to perform a corresponding forming operation on the packaging film extending from the second opening slot 86, so as to finally form a three-edge sealed bag or a back sealed bag structure.

[0037] Preferably, the first longitudinal sealing device and the second longitudinal sealing device are further included, the first longitudinal sealing device is arranged in cooperation with the first toothed groove 83 and performs heat sealing on the packaging film extending from the first opening slot 85, and the second longitudinal sealing device is arranged in cooperation with the second toothed groove 84 and performs heat sealing on the packaging film extending from the second opening slot 86.

[0038] The longitudinal sealing device is a device for longitudinal sealing of packaging material, which is made of metal and has good thermal conductivity, and its working principle is to tightly seal the two side edges of the packaging material together by heating and pressing to form a complete packaging bag. Common longitudinal sealing devices include longitudinal sealing rollers, longitudinal sealing wheels and the like.

[0039] In the embodiment, the first longitudinal sealing device and the second longitudinal sealing device are arranged inside the packaging machine and correspond to the first toothed groove 83 and the second toothed groove 84, respectively. When working, the packaging film is guided by the roller 2 and cut into two rows by the film cutting device 3, and then the two rows of packaging film are folded into bags by the first collar 6 and the second collar 7 respectively and guided into the gap between the first cylinder 4 and the former 8 and the second cylinder 5 and the former 8. The packaging film extending from the first opening groove 85 is heat-pressed and sealed by the first longitudinal sealing device in cooperation with the first toothed groove 83. Similarly, the packaging film extending from the second opening groove 86 is heat-pressed and sealed by the second longitudinal sealing device in cooperation with the second toothed groove 84. After the above operation, the longitudinal edges of the packaging film are heat-pressed and sealed, and cooperate with the former 8 and other components to finally form a complete three-edge sealing bag or a back sealing bag, and the forming of the packaging film is completed.

[0040] Compared with the prior art, the utility model has the advantages that: the utility model discloses a packaging machine, which comprises a roller, a film cutting device, a first collar, a second collar, a first cylinder, a second cylinder and a former, wherein the roller is arranged on the packaging machine and used for guiding the packaging film to the film cutting device, the film cutting device is arranged on the packaging machine and used for cutting the packaging film into two rows, the first collar and the second collar are arranged on the packaging machine and used for respectively folding the two rows of packaging film into bags, the first cylinder and the second cylinder are arranged on the packaging machine and used for respectively guiding the two rows of packaging film to the gap between the former and the first cylinder and the gap between the former and the second cylinder, and the former is arranged on the packaging machine and used for forming the packaging film into a bag.

[0041] The embodiments of the present application are given for the purpose of illustration and description, and are not exhaustive or limit the present application to the disclosed form. Many modifications and variations will be apparent to those skilled in the art. The embodiments are chosen and described in order to better illustrate the principles and practical application of the present application, and to enable those skilled in the art to understand the present application so as to design various embodiments with various modifications suitable for specific purposes.

Claims

1. A dual lane triple seal bag forming mechanism, characterized by, The application relates to a packaging film cutting and folding device, which comprises an organic frame (1), a roller (2), a film cutting device (3), a first material cylinder (4), a second material cylinder (5), a first collar (6), a second collar (7) and a former (8) arranged on the frame; the roller is used for guiding the packaging film to the film cutting device; the film cutting device divides the packaging film into two columns; the first material cylinder and the second material cylinder are respectively inserted into the former; the first collar is arranged above the former and is used for folding and forming one column of the divided packaging film and guiding the film into the gap between the first material cylinder and the former; the second collar is arranged above the former and is used for folding and forming the other column of the divided packaging film and guiding the film into the gap between the second material cylinder and the former.

2. The dual lane, three-sided seal bag forming mechanism of claim 1, wherein, The structure of the first collar is the same as that of the second collar.

3. The dual lane, three-sided seal bag forming mechanism of claim 2, wherein, The first collar and the second collar are both three-edge sealing collars.

4. The dual lane, three-sided seal bag forming mechanism of claim 1, wherein, The film cutting device comprises a slitting cutter holder (31), a slitting cutter seat (32), a slitting cutter blade (33) and a slitting film plate (34); the slitting cutter seat is connected with the frame through the slitting cutter holder; the slitting cutter blade is rotatably arranged on the slitting cutter seat; the slitting film plate is connected with the frame; a cutter groove (34a) is arranged on the slitting film plate and matched with the slitting cutter blade.

5. The dual lane, three-sided seal bag forming mechanism of claim 4, wherein, The slitting cutter holder comprises a pair of parallel slitting fixed plates (311); a pair of parallel slitting fixed shafts (312) are arranged between the pair of slitting fixed plates; the slitting cutter seat is slidably connected with the slitting fixed shafts; screw holes are arranged on the slitting cutter seat; screws are arranged in the screw holes; the slitting cutter seat is fixed on the slitting fixed shafts through the screws; sliding grooves (311a) are arranged on the slitting fixed plates; a pair of mounting holes matched with the sliding grooves are arranged on the frame.

6. The dual lane, three-sided seal bag forming mechanism of claim 1, wherein, The frame comprises a horizontal plate (11), a back plate (12) and an inverted U-shaped frame (13); the first collar and the second collar are respectively connected with the upper part of the back plate; the former is connected with the lower part of the back plate; a fixing block (14) is arranged on the outer side of the first collar; the fixing block is connected with the horizontal plate; the bottom of the second collar is connected with the horizontal plate through bolts; the first material cylinder and the second material cylinder are respectively installed on the inverted U-shaped frame.

7. The dual lane, three-sided seal bag forming mechanism of claim 1, wherein, The former comprises a first through groove (81), a second through groove (82), a first toothed groove (83) and a second toothed groove (84); the first through groove is matched with the first material cylinder; the first material cylinder is inserted into the first through groove and a gap is left between the first material cylinder and the first through groove for the packaging film to pass through; the second through groove is matched with the second material cylinder; the second material cylinder is inserted into the second through groove and a gap is left between the second material cylinder and the second through groove for the packaging film to pass through; a first open groove (85) is arranged on the first through groove and matched with the first toothed groove; a second open groove (86) is arranged on the second through groove and matched with the second toothed groove.

8. The dual lane, three-sided seal bag forming mechanism of claim 7, wherein, The first longitudinal sealing device is arranged in cooperation with the first toothed groove and seals the packaging film that extends from the first opening groove by hot pressing; and the second longitudinal sealing device is arranged in cooperation with the second toothed groove and seals the packaging film that extends from the second opening groove by hot pressing.

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