CN114311850A - Side middle-sealed three-dimensional bag forming machine - Google Patents
Side middle-sealed three-dimensional bag forming machine Download PDFInfo
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- CN114311850A CN114311850A CN202111662891.3A CN202111662891A CN114311850A CN 114311850 A CN114311850 A CN 114311850A CN 202111662891 A CN202111662891 A CN 202111662891A CN 114311850 A CN114311850 A CN 114311850A
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Abstract
The invention belongs to the technical field of packaging bag production equipment, and particularly relates to a side edge middle-sealed three-dimensional bag forming machine which comprises a rack, wherein the outer end of the rack is connected with a feeding device, a bag opening glue spraying device, a bag opening inward folding device, a hand pasting and pulling device, a punching and buckling device, a rope threading device, a three-dimensional bag forming system, a bottom folding device and a discharging device are arranged on the rack, three-dimensional bag sheets are conveyed along the rack, and the three-dimensional bag forming system comprises: the sealing glue spraying device sprays glue on the side surface of the three-dimensional bag sheet material; the die forming device is a die, and the die is pressed at the upper end of the bottom surface of the three-dimensional bag sheet material; the side edge middle sealing device comprises a synchronous belt, a lower inserting plate and a side inserting plate; the sealing glue spraying device comprises a side bottom glue spraying head and a lap side glue spraying head, the side middle sealing device is positioned below the die forming device, and the die forming device presses the three-dimensional bag sheet material downwards to enter the side middle sealing device.
Description
Technical Field
The invention belongs to the technical field of packaging bag production equipment, and relates to a side edge middle sealing three-dimensional bag forming machine.
Background
The packaging bag is a common tool used for lifting, taking and packaging various articles in daily life. The three-dimensional bag is a common packaging bag with sealed side edges and bottom edges and an opening at the upper end for placing articles, and can be generally produced in batches through mechanical equipment. The existing bag making machine usually folds a three-dimensional bag sheet material, seals the side edges firstly, and then seals the bottom edges through turning the bottom, thereby completing the forming of the bag body. However, in the production process, four sides of the three-dimensional bag need to be folded and overlapped, the difficulty of adhesion adjustment is high, and a good sealing effect cannot be ensured. If the equipment needs to be continuously adjusted according to the thickness and the shape of the material in order to reinforce the attaching effect of the sealing part, the sealing difficulty is high, and a large amount of material and time are consumed in the adjusting process. Therefore, in order to improve the sealing effect of the three-dimensional bag and the firmness after forming and reduce the edge sealing difficulty, the bag making machine which can avoid sealing the bottom and improve the strength of the three-dimensional bag through side edge middle sealing is also provided.
For example, CN201610814800.6 discloses a high-speed non-woven fabric three-dimensional bag making machine, which comprises a main frame, wherein the main frame is provided with a three-dimensional bag four-direction bottom mold forming device and a brush three-dimensional bag side insert forming device, which can be used for folding and forming a sheet material. In the system, the bottom side of the three-dimensional bag is folded and then attached to the inner side of the sealed side, so that the bottom of the three-dimensional bag is kept complete, the sealed part is prevented from being stressed when an object is placed in the three-dimensional bag, and the bottom can bear larger weight without damage. The three-dimensional bag is folded and formed in the system, and then the binding face on the three-dimensional bag is sealed through the three-dimensional bag ironing and closing device, so that vertical ribs which are crossed in a large shape and connected with overlapping connection points are formed on the formed three-dimensional bag. Therefore, the debugging of the system in the actual production process also wastes a large amount of materials and time, which ultimately affects the production efficiency and increases the manufacturing cost. Meanwhile, the sealing structure of the three-dimensional bag produced by the system is relatively complex, and the production difficulty is improved. Obviously, although the three-dimensional bag can improve the structural strength of the formed three-dimensional bag, the production process is still too complicated, and the efficient production of the three-dimensional bag is not facilitated.
Aiming at the problems, the three-dimensional bag forming equipment which can reduce the production difficulty while improving the strength of the formed three-dimensional bag can be designed.
Disclosure of Invention
The invention provides a side edge middle sealing three-dimensional bag forming machine according to the problems, and the equipment can effectively survive a three-dimensional bag with a stable structure.
The purpose of the invention is realized as follows:
the utility model provides a three-dimensional bag make-up machine of side middle seal, includes the frame, the outer end of frame is connected with feed arrangement, be equipped with the sack in the frame and spout mucilage binding device, the sack is rolled over the device in, pastes the hand and draws the piece device, punches and wear the spiral-lock device, the rope handling device, three-dimensional bag forming system, rolls over end device to and discharging device, three-dimensional bag sheet stock is followed the frame is transported, three-dimensional bag forming system includes: the sealing glue spraying device sprays glue on the side surface of the three-dimensional bag sheet material; the die forming device comprises a lifting die, and the die is pressed at the upper end of the bottom surface of the three-dimensional bag sheet; the side edge middle sealing device comprises a synchronous belt capable of pushing the front side of a three-dimensional bag sheet to be folded to be attached to the front side and the rear side of the die, a lower inserting plate capable of pushing connecting surfaces on two sides of the bottom surface of the three-dimensional bag sheet to be folded to be attached to the side surface of the die, and a side inserting plate capable of pushing the side surface of the three-dimensional bag sheet to be folded to be attached to the side surface of the die; the sealing glue spraying device comprises a side bottom glue spraying head arranged on the rack and a scrap edge glue spraying head connected to the die forming device, the side bottom glue spraying head sprays glue to one end, close to the bottom surface, of the side surface of a three-dimensional bag sheet material, the scrap edge glue spraying head sprays glue to a scrap edge on the side surface of the three-dimensional bag sheet material, the side edge middle sealing device is located below the die forming device, and the die forming device presses the three-dimensional bag sheet material downwards to enter the side edge middle sealing device.
Furthermore, a feeding mechanism is arranged in the die forming device, a supporting plate capable of driving the three-dimensional bag sheet materials to move is connected to the feeding mechanism, and the supporting plate pushes the three-dimensional bag sheet materials to move upwards to be abutted against the lower end of the die.
Further, an air exhaust part is arranged in the mold forming device, and an air suction hole matched with the air exhaust part for air exhaust is formed in the mold.
Furthermore, the die forming device comprises a clamping seat connected to the rack, a clamping groove is formed in the clamping seat, the die is connected to the top end in the clamping groove and moves up and down along the clamping groove, and a forming driving mechanism for controlling the die to move is arranged on the clamping seat.
Furthermore, one side of the clamping seat is connected with a supporting plate, a slot is formed in the supporting plate, a positioning rod capable of translating along the slot is connected with the supporting plate, a sliding block capable of translating along the positioning rod is connected with the positioning rod, the lapping edge glue spraying head is connected onto the sliding block, the moving direction of the supporting plate is perpendicular to the moving direction of the sliding block, and the moving directions of the supporting rod and the sliding block are parallel to the surface of the three-dimensional bag sheet material.
Further, the side middle sealing device comprises a mounting seat which is symmetrically connected to the rack, the mounting seat is respectively located on two sides of the lower portion of the die and two sides of the die, the mounting seat is symmetrically connected with the synchronous belt, the lower insertion plate and the side insertion plate, and the mounting seat is provided with a sealing driving mechanism which controls the lower insertion plate and the side insertion plate to move.
Furthermore, the mounting seat is provided with a side pressing knife aligned with the upper edge of the side surface of the three-dimensional bag and a lower pressing knife aligned with the connecting surfaces of the two sides of the bottom surface of the three-dimensional bag, the side pressing knife and the lower pressing knife can be matched with the die to extrude the edge and the connecting surface of the three-dimensional bag, and the mounting seat is provided with a pressing driving mechanism for controlling the side pressing knife and the lower pressing knife to move.
Furthermore, the pressing driving mechanism comprises a pressing die holder, a rotatable turntable and an eccentric swing arm coaxially connected with the turntable, a driving rod for pushing and pulling the pressing die holder is connected to the eccentric swing arm, and the side pressing knife and the lower pressing knife are connected to the pressing die holder in a T shape.
Furthermore, the side inserting plates are distributed in four corners and are respectively positioned on two sides of the three-dimensional bag, and the side inserting plates on each side sequentially push the side surfaces of the three-dimensional bag to be folded.
Furthermore, rotatable driving wheels are arranged in the side edge middle sealing device, the synchronous belts are wrapped between the driving wheels, and the synchronous belts circulate among the driving wheels.
Compared with the prior art, the invention has the outstanding and beneficial technical effects that:
1. in this equipment, the involution spouts mucilage binding and puts after spouting the glue to the side of three-dimensional bag sheet material, can fold three-dimensional bag sheet material fast through the cooperation of sealing device in mould forming device and the side to accomplish the side and seal in, thereby obtain stable in structure's three-dimensional bag, the wrapping bag of producing through this equipment need not pass through the structure that the boiling hot of special place closed can keep high strength, its production degree of difficulty also greatly reduced simultaneously, production efficiency has obtained promoting effectively.
2. The die in the die forming device on the equipment can effectively adsorb the three-dimensional bag sheet material, so that the three-dimensional bag sheet material can stably move synchronously along with the die, the three-dimensional bag sheet material is prevented from being separated from the die in the forming process, and the stability of the equipment in the process of producing the three-dimensional bag is further improved.
3. The side pressure sword in the encapsulation in the side edge of this equipment can make the laminating of the involution department of three-dimensional bag inseparabler with the push down sword for the glue of three-dimensional bag involution department can bind the joint face of the scrap (bridge) on the three-dimensional bag side and bottom surface both sides more effectively in the forming process.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of a three-dimensional pouch sheet construction.
Fig. 2 is a front view of the present invention.
Fig. 3 is a top view of the present invention.
Fig. 4 is a first perspective view of the mold forming device.
Fig. 5 is a partially enlarged view of fig. 4.
Fig. 6 is a second perspective view of the mold forming device.
Fig. 7 is a first perspective view of the side edge middle sealing device.
Fig. 8 is a second perspective view of the side edge middle sealing device.
Fig. 9 is a perspective view of the lateral pressing blade, the downward pressing blade and the pressing driving mechanism.
00-a frame, 10-a feeding device, 20-a bag mouth glue spraying device, 30-a bag mouth inward folding device, 40-a hand-sticking and pulling device, 50-a punching and buckling device, 60-a rope threading device, 70-a mold forming device, 701-a clamping seat, 702-a clamping groove, 80-a side edge middle sealing device, 801-a mounting seat, 802-a pressing driving mechanism, 803-a pressing die seat, 804-a rotary table, 805-an eccentric swing arm, 806-a driving rod, 90-a bottom folding device, 100-a sealing glue spraying device, 1-a mold, 11-a suction hole, 2-a synchronous belt, 21-a driving wheel, 3-a lower inserting plate, 4-a side inserting plate, 5-a side bottom glue spraying head, 6-a lap edge glue spraying head, 61-a supporting plate and 62-an inserting groove, 63-positioning rod, 64-sliding block, 7-feeding mechanism, 71-supporting plate, 8-side pressing knife, 9-lower pressing knife, 0-three-dimensional bag sheet material, 01-front surface, 02-side surface, 03-bottom surface, 04-connecting surface and 05-scrap edge.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
The invention will be further described in the following with reference to specific embodiments thereof,
as shown in fig. 1-8, a side edge middle sealing three-dimensional bag forming machine comprises a frame 00, the outer end of the frame 00 is connected with a feeding device 10, the frame 00 is provided with a bag opening glue spraying device 20, a bag opening inward folding device 30, a hand-holding sheet pasting device 40, a punching and buckling device 50, a rope threading device 60, a three-dimensional bag forming system, a bottom folding device 90 and a discharging device, three-dimensional bag sheets are conveyed along the frame 00, and the three-dimensional bag forming system comprises: a sealing glue spraying device 100, wherein the sealing glue spraying device 100 sprays glue on the side 02 of the three-dimensional bag sheet material 0; the die forming device 70 comprises a liftable die 1, wherein the die 1 is pressed at the upper end of the bottom surface 03 of the three-dimensional bag sheet material 0; the side edge middle sealing device 80 comprises a synchronous belt 2 which can push the front surface 01 of a three-dimensional bag sheet material 0 to be folded to be attached to the front surface and the rear surface of the die 1, a lower inserting plate 3 which can push connecting surfaces 04 at two sides of the bottom surface 03 of the three-dimensional bag sheet material 0 to be folded to be attached to the side surface of the die 1, and a side inserting plate 4 which can push the side surface 02 of the three-dimensional bag sheet material 0 to be folded to be attached to the side surface of the die 1; the sealing glue spraying device 100 comprises a side bottom glue spraying head 5 arranged on the rack 00 and a lap side glue spraying head 6 connected to the die forming device 70, wherein the side bottom glue spraying head 5 sprays glue on one end, close to the bottom surface 03, of the side 02 of the three-dimensional bag sheet material 0, the lap side glue spraying head 6 sprays glue on a lap side 05 of the side 02 of the three-dimensional bag sheet material 0, the side edge middle sealing device 80 is positioned below the die forming device 70, and the die forming device 70 presses the three-dimensional bag sheet material 0 downwards to enter the side edge middle sealing device 80. Specifically, in this patent, the three-dimensional bag sheet 0 means an unfolded three-dimensional bag, and the three-dimensional bag sheet 0 is divided into a front face 01, a side face 02, and a bottom face 03 according to a fold and a folded portion, wherein the bottom surface 03 is the bottom end part of the three-dimensional bag after being folded and formed, the connecting surfaces 04 are formed at two sides of the bottom surface 03, the front surface 01 is a part which can become the front and back surfaces of the three-dimensional bag after being folded, the side surfaces 02 are formed at two sides of the front surface 01, after the front face 01 is folded, the connecting surfaces 04 on the two sides of the bottom face 03 are folded upwards, the side faces 02 on the front face 01 are folded towards the direction close to each other, and is adhered to the upright connecting surface 04, one end of the side surface 02 close to the bottom surface 03 is coated with glue, thereby adhere to connection face 04, be formed with overlap 05 on the side 02 of one end simultaneously, adhere through the overlap 05 that scribbles glue between the side 02, finally make the wrapping bag of fold forming accomplish the side and seal in.
As a modified embodiment, in the device, three-dimensional bag sheets 0 are fed into each station on the machine frame 00 by the feeding device 10, and after glue is sprayed on the bag openings by the bag opening glue spraying device 20, the bag openings at the glue spraying positions are inwards folded and attached by the bag opening folding device 30, so that the bag opening thickness is increased. After the bag mouth is thickened, the three-dimensional bag sheet material 0 is conveyed to the handle sheet sticking device 40 and is stuck with a handle sheet, namely, a handle is pre-installed on the three-dimensional bag sheet material 0. In addition, the punching and buckling device 50 can be used for punching and buckling the bag opening, and the rope threading device 60 is used for threading the rope through the rope hole to install the rope at the bag opening of the three-dimensional bag sheet material 0. The three-dimensional bag sheet material 0 can be used for selecting to be provided with a handle sheet or a soft rope as a handle according to the use and packaging requirements of the subsequent three-dimensional bag. The handle installation station in the device can be selected correspondingly, when the three-dimensional bag sheet material 0 needs to install a handle sheet at the bag opening, the punching and buckling device 50 and the rope threading device 60 are closed, and the hand adhering and drawing device 40 is used; when the three-dimensional bag sheet material 0 is provided with a soft rope at the bag opening, the hand pasting and drawing device 40 is closed, and the punching and threading device 50 and the rope threading device 60 are used. The corresponding handle mounting means can be removed from the station in the apparatus where it is not suitable to reduce the footprint of the apparatus.
As an improved embodiment, the three-dimensional bag sheet 0 is fed into the mold forming device 70 of the three-dimensional bag forming system after the pre-processing on the frame 00, before entering into the mold forming device 70, the side bottom glue-spraying head 5 sprays glue on one end of the side 02 of the three-dimensional bag sheet 0 close to the bottom surface 03, after the three-dimensional bag sheet 0 enters into the mold forming device 70, the bottom surface 03 abuts against the lower end of the mold 1, and the mold 1 is continuously lowered to drive the three-dimensional bag sheet 0 to descend into the side edge sealing device. When the die 1 descends, the scrap edge glue spraying head 6 sprays glue to the scrap edge 05 on the side 02 of the three-dimensional bag sheet 0, the front 01 of the three-dimensional bag sheet 0 is pushed by the synchronous belt 2 in the side middle sealing device 08, the synchronous belts 2 are distributed in four corners and can respectively abut against the positions, close to the side 02, of the front 01, and the front 01 of the three-dimensional bag sheet 0 is pushed by the synchronous belt 2 to start to fold upwards in the descending process so as to be attached to the front surface and the back surface of the die 1. After the front 01 of the three-dimensional bag sheet material 0 is folded, the lower inserting plates 3 in the side edge middle sealing device 08 move to the positions below the connecting surfaces 04 on the two sides of the bottom surface 03 of the three-dimensional bag sheet material 0 and lift upwards to push the connecting surfaces 04 to be folded upwards to be attached to the side surfaces of the die 1, finally the side inserting plates 4 move to the two ends of the two sides of the front 01 of the three-dimensional bag sheet material 0 and start to push the side surfaces 02 on the front 01 of the three-dimensional bag sheet material 0 to be folded towards the directions close to each other, the side surfaces 02 are attached to the connecting surfaces 04, and meanwhile, the side surfaces 04 without the overlap edges 05 are attached to the overlap edges 05 on the side surfaces 04 at the other ends to form final sealing. In the equipment, three-dimensional bag sheet material 0 is in the cooperation of conveying members such as runner, removal layer board transports between each station on frame 00, mould forming device 70, side middle sealing device 80 and involution glue spraying device 100 pass through the motion of power parts such as corresponding cylinder, motor and runner control each part, if the lift of mould 1, the upper and lower left and right sides and the front and back translation of lower picture peg 3 and side picture peg 4, and the side end spouts gluey head 5 and overlap glue spraying head 6 and spouts gluey along the removal of three-dimensional bag sheet material 0 side 02, realization corresponding effect can.
As shown in fig. 1-2, the folding device 90 can fold the three-dimensional bag away from the three-dimensional bag forming device after forming into the inner side and the bottom, and the completely processed three-dimensional bag is discharged by the discharging device.
As shown in fig. 4-7, a feeding mechanism 7 is disposed in the mold forming device 70, a supporting plate 71 capable of driving the three-dimensional bag sheet material 0 to move is connected to the feeding mechanism 7, and the supporting plate 71 pushes the three-dimensional bag sheet material 0 to move upward to abut against the lower end of the mold 1. Specifically, after the three-dimensional bag sheet 0 is fed into the mold forming device 70, the three-dimensional bag sheet 0 is fed to a position where the bottom surface 03 thereof is located right below the mold 1, and at this time, the feeding mechanism 7 controls the supporting plate 7 to move to the lower end of the bottom surface 03 of the three-dimensional bag sheet 0 and pushes the bottom surface of the three-dimensional bag sheet 0 upward against the lower end of the mold 1, so that the mold 1 can accurately press down the three-dimensional bag sheet 0 at the subsequent descent. In the process of pushing the three-dimensional bag sheet material 0, the feeding mechanism 7 can also control the supporting plate 7 to support the three-dimensional bag sheet material 0, so that the position of the three-dimensional bag sheet material 0 is correspondingly adjusted, the bottom surface 03 of the three-dimensional bag sheet material 0 can be accurately aligned to the lower end of the die 1, and the surfaces of the three-dimensional bag sheet material 0 can be kept in order and symmetrical after being folded. The supporting plate 7 can be driven by the matching of a motor and an air cylinder, and the corresponding effect can be realized. If the lower end of the supporting plate is connected with a driving plate, the driving plate and the motor are both connected with rotating wheels, a conveying belt is wrapped between the rotating wheels, when the motor drives the rotating wheels to rotate, the motor can drive the supporting plate 7 on the driving plate to translate through the circulating transmission of the conveying belt between the rotating wheels, and the supporting plate 7 can be directly pushed to lift through a cylinder connected to the lower end.
As a modified example, an air-extracting piece is arranged in the mold forming device 70, and the mold 1 is formed with an air-extracting hole 11 matched with the air-extracting piece for air extraction. Specifically, the air suction holes 11 are respectively formed at the bottom end and the lower end of the side face of the mold 1, when the mold 1 is abutted against the upper end of the bottom face 03 of the three-dimensional bag sheet material 0, the bottom face 03 is tightly attached to the bottom end of the mold through air suction of the air suction holes 11 at the bottom end, after the connecting faces 04 at two sides of the bottom face 03 of the three-dimensional bag sheet material 0 are folded upwards, the connecting faces 04 are tightly attached to the side faces of the three-dimensional bag sheet material through the air suction holes 11 at the lower end of the side face, the three-dimensional bag sheet material 0 is effectively prevented from being separated from the mold 1 in the processing process, and the stability of the production process of equipment is improved.
As an improved embodiment, the mold forming device 70 includes a holder 701 connected to the frame, a holder slot 702 is formed in the holder 701, the mold 1 is connected to the top end in the holder slot 702 and moves up and down along the holder slot 702, and a forming driving mechanism for controlling the mold 1 to move is provided on the holder 701. Specifically, the mold 1 is installed and positioned through the holder 701, the forming driving mechanism comprises a lifting module connected in the holder 702 of the mold 1, a guide rail is fixed on the side face of the holder 701, the lifting module performs lifting motion along the guide rail through a guide block, and the guide block can be driven by a motor to realize corresponding effects.
As a modified embodiment, a supporting plate 61 is connected to one side of the clamping seat 701, a slot 62 is formed in the supporting plate 61, a positioning rod 63 capable of translating along the slot 62 is connected to the supporting plate 61, a sliding block 64 capable of translating along the positioning rod 63 is connected to the positioning rod 63, the edge lapping glue spraying head 6 is connected to the sliding block 64, the moving direction of the supporting plate 61 is perpendicular to the moving direction of the sliding block, and the moving directions of the supporting plate 61 and the sliding block 64 are parallel to the surface of the three-dimensional bag sheet. Specifically, when the die 1 presses the three-dimensional bag sheet 0 downwards, the overlap glue spraying head 6 starts to spray glue on the overlap 05 of the three-dimensional bag sheet 0, and in the glue spraying process, the overlap glue spraying head 6 can translate along the upper part of the overlap 05, so that glue can be uniformly coated on the overlap 05. The translation of the lap glue spraying head 6 is realized by the positioning rod 63 translating along the slot 62 on the supporting plate 61 and the sliding block 64 translating along the positioning rod 63, and the movement of the supporting rod 61 and the sliding block 64 is controlled by a motor or an air cylinder, so that the corresponding effect is realized.
As shown in fig. 7-9, the side edge middle sealing device 80 includes mounting seats 801 symmetrically connected to the rack 00, the mounting seats 801 are respectively located at two sides below the mold 1, the mounting seats 801 at two sides are symmetrically connected to the synchronous belt 2, the lower inserting plate 3 and the side inserting plate 4, and the mounting seats 801 are provided with sealing driving mechanisms for controlling the movement of the lower inserting plate 3 and the side inserting plate 4. Specifically, hold-in range 2, lower picture peg 3 and picture peg 4 pass through mount pad 801 is installed and is fixed a position, three-dimensional bag sheet stock 0 by mould 1 drives and descends to between the mount pad 801, mount pad 801 includes a bottom plate to and connect in the curb plate at bottom plate both ends, hold-in range 2 connects on the curb plate, supports the edge of front 01 both sides before three-dimensional bag sheet stock 0 when three-dimensional bag sheet stock 0 descends, makes front 01 upwards folding, picture peg 3 is located between the curb plate down, promotes three-dimensional bag sheet stock 0 through rising and goes up the face 04 of connecting of bottom surface 03 both sides and upwards folding, side picture peg 4 is close to each other along the curb plate translation to it is close to and the involution each other to promote side 02. The sealing driving mechanism comprises rotating wheels respectively arranged on the lower inserting plate 3 and the side inserting plate 4 and a driving belt wrapped between the rotating wheels, and the rotating wheels are driven by a motor so as to drive the lower inserting plate 3 and the side inserting plate 4 to move correspondingly through the circulating transmission between the driving belts.
As an improved embodiment, the mounting base 801 is provided with a side pressing knife 8 aligned with the upper lap 05 of the side surface of the three-dimensional bag and a lower pressing knife 9 aligned with the connecting surface 04 on both sides of the bottom surface of the three-dimensional bag, the side pressing knife 8 and the lower pressing knife 9 can be matched with the mold to press the lap 05 and the connecting surface 04 of the three-dimensional bag, and the mounting base 801 is provided with a pressing driving mechanism 802 for controlling the movement of the side pressing knife 8 and the lower pressing knife 9. Specifically, after the three-dimensional bag is sealed, the side pressing knives 8 and the lower pressing knives 9 can move to press the lapping edges 05 and the connecting surfaces 04 of the side pressing knives to the side surfaces of the die 1, and in the pressing process, the bonding effect of glue among the side surfaces 02, the connecting surfaces 04 and the lapping edges 05 is fully utilized, the laminating of the side surfaces 02, the connecting surfaces 04 and the lapping edges 05 is enhanced, the sealing effect is improved, and the strength of the formed three-dimensional bag is improved.
As a modified embodiment, the pressing driving mechanism 802 includes a pressing mold seat 803, a rotatable turntable 804, and an eccentric swing arm 805 coaxially connected to the turntable 804, a driving rod 806 for pushing and pulling the pressing mold seat 803 is connected to the eccentric swing arm 805, and the side blade 8 and the lower blade 9 are connected to the pressing mold seat 803 in a T-shape. Specifically, the turntable 804 is connected to the mounting base 801 and is driven by a motor to rotate, the turntable 804 drives the eccentric swing arm 805 to swing when rotating, the eccentric swing arm 805 and the driving rod 806 are respectively connected to two ends of the eccentric swing arm 805 through a pin, so that the eccentric swing arm 805 can drive the driving rod 806 to pull the pressing mold base 803 to translate in the swinging process, the side knives 8 and the lower knives 9 distributed on the mounting mold base 803 in a T shape are aligned with the lap 05 and the connection surface 04 of the three-dimensional bag, and the corresponding parts of the three-dimensional bag are pressed by the translation of the pressing mold base 803.
As an improved embodiment, the side inserting plates 4 are distributed in four corners and are respectively located at two sides of the three-dimensional bag, and the side inserting plates 4 at each side sequentially push the side surfaces 02 of the three-dimensional bag to be folded. Specifically, the side insert plate 4 at each corner can push the side 02 at one position to fold, during the folding process, the side insert plate 4 firstly pushes the side 02 with the overlap 05 to stick to the side of the mold 1, and then the side insert plate 4 at the other end pushes the side 02 without the overlap 05 to stick to the overlap 4 of the side 02 at the other end, so that the sealing effect is formed.
As an improved embodiment, a rotatable transmission wheel 21 is arranged in the side edge middle sealing device 80, the synchronous belt 2 is wrapped between the transmission wheels 21, and the synchronous belt 2 circulates between the transmission wheels 21. Specifically, the synchronous belt 2 pushes the front surface 0 of the three-dimensional bag sheet material 0 to be folded upwards when the three-dimensional bag sheet material 0 descends, and after the three-dimensional bag is formed and the die 1 ascends and resets, the synchronous belt 2 performs circular motion through the rotation of the driving wheel 21, so that downward force is applied to the surface of the three-dimensional bag, and the three-dimensional bag is finally dragged to be separated from the die 1.
To sum up, the equipment effectively reduces the sealing difficulty in the production process of the three-dimensional bag, simplifies the processing steps and improves the production efficiency while producing the high-strength three-dimensional bag.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (10)
1. The utility model provides a three-dimensional bag make-up machine of side middle seal, includes the frame, the outer end of frame is connected with feed arrangement, be equipped with the sack in the frame and spout mucilage binding and put, the sack is interior to be rolled over the device, pastes the hand and draws the piece device, punches and wear the spiral-lock and put, the rope threading device, three-dimensional bag forming system, rolls over end device to and discharging device, three-dimensional bag sheet stock is followed the frame is transported, its characterized in that, three-dimensional bag forming system includes:
the sealing glue spraying device sprays glue on the side surface of the three-dimensional bag sheet material;
the die forming device comprises a lifting die, and the die is pressed at the upper end of the bottom surface of the three-dimensional bag sheet;
the side edge middle sealing device comprises a synchronous belt capable of pushing the front side of a three-dimensional bag sheet to be folded to be attached to the front side and the rear side of the die, a lower inserting plate capable of pushing connecting surfaces on two sides of the bottom surface of the three-dimensional bag sheet to be folded to be attached to the side surface of the die, and a side inserting plate capable of pushing the side surface of the three-dimensional bag sheet to be folded to be attached to the side surface of the die;
the sealing glue spraying device comprises a side bottom glue spraying head arranged on the rack and a scrap edge glue spraying head connected to the die forming device, the side bottom glue spraying head sprays glue to one end, close to the bottom surface, of the side surface of a three-dimensional bag sheet material, the scrap edge glue spraying head sprays glue to a scrap edge on the side surface of the three-dimensional bag sheet material, the side edge middle sealing device is located below the die forming device, and the die forming device presses the three-dimensional bag sheet material downwards to enter the side edge middle sealing device.
2. The three-dimensional bag forming member with a side edge seal in the middle as claimed in claim 1, wherein a feeding mechanism is provided in the mold forming device, the feeding mechanism is connected with a supporting plate capable of driving the three-dimensional bag sheet to move, and the supporting plate pushes the three-dimensional bag sheet to move upwards to abut against the lower end of the mold.
3. The machine for forming side-sealed three-dimensional bags according to claim 1, wherein the mold forming device is provided with an air-extracting member therein, and the mold is provided with an air-extracting hole for air extraction of the air-extracting member.
4. The machine for forming side-sealed three-dimensional bags according to claim 1, wherein the mold forming device comprises a holder connected to the frame, a slot is formed in the holder, the mold is connected to the top end of the slot and moves up and down along the slot, and a forming driving mechanism for controlling the mold is arranged on the holder.
5. The machine for forming side-sealed three-dimensional bags according to claim 4, wherein a supporting plate is connected to one side of the holder, a slot is formed in the supporting plate, a positioning rod capable of translating along the slot is connected to the supporting plate, a sliding block capable of translating along the positioning rod is connected to the positioning rod, the overlap glue spraying head is connected to the sliding block, the moving direction of the supporting rod is perpendicular to the moving direction of the sliding block, and the moving directions of the supporting plate and the sliding block are parallel to the surface of the three-dimensional bag sheet.
6. The side edge middle sealing three-dimensional bag forming machine according to claim 1, wherein the side edge middle sealing device comprises mounting seats symmetrically connected to the frame, the mounting seats are respectively located at two sides below the mold, the mounting seats at two sides are symmetrically connected with the synchronous belt, the lower insertion plate and the side insertion plate, and the mounting seats are provided with sealing driving mechanisms for controlling the lower insertion plate and the side insertion plate to move.
7. The machine for forming side-sealed three-dimensional bags according to claim 6, wherein the mounting base is provided with a side pressing blade aligned with the upper edge of the side surface of the three-dimensional bag and a lower pressing blade aligned with the connecting surface of the two sides of the bottom surface of the three-dimensional bag, the side pressing blade and the lower pressing blade can cooperate with the mold to press the upper edge and the connecting surface of the three-dimensional bag, and the mounting base is provided with a pressing driving mechanism for controlling the movement of the side pressing blade and the lower pressing blade.
8. The machine of claim 7, wherein the pressing driving mechanism comprises a pressing mold base, a rotatable turntable, and an eccentric swing arm coaxially connected to the turntable, the eccentric swing arm is connected to a driving rod for pushing and pulling the pressing mold base, and the side and bottom pressing knives are connected to the pressing mold base in a T-shape.
9. The machine for forming the side-edge middle-sealed three-dimensional bag according to claim 1, wherein the side inserting plates are distributed at four corners and are respectively positioned at two sides of the three-dimensional bag, and the side inserting plates at each side sequentially push the side faces of the three-dimensional bag to be folded.
10. The machine of claim 1, wherein the side center sealing device has rotatable transmission wheels, the timing belt is wrapped between the transmission wheels, and the timing belt circulates between the transmission wheels.
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| CN202111662891.3A CN114311850B (en) | 2021-12-31 | 2021-12-31 | Side middle-sealing three-dimensional bag forming machine |
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| CN202111662891.3A CN114311850B (en) | 2021-12-31 | 2021-12-31 | Side middle-sealing three-dimensional bag forming machine |
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| CN120461945B (en) * | 2025-07-10 | 2025-10-28 | 瑞安市皓星伟标准件有限公司 | Middle paper sealing bag forming equipment with wrapping function |
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