CN209738388U

CN209738388U - Edge sealing equipment for folded port of double-layer packaging bag

Info

Publication number: CN209738388U
Application number: CN201920294904.8U
Authority: CN
Inventors: 艾娇阳
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-03-08
Filing date: 2019-03-08
Publication date: 2019-12-06
Anticipated expiration: 2029-03-08

Abstract

the utility model relates to a folding edge sealing device of a double-layer packaging bag, which is characterized in that an edge sealing device is connected on a main platform in a sliding way through a Z-direction feeding mechanism; the lower end of the edge sealing device is provided with an edge folding limiting plate group, an edge sealing die and an edge folding action device; the two ends of the edge folding limiting plate group are respectively provided with roller devices with parallel axes, one of the roller devices is fixed on the main platform, the other roller device is connected with the main platform through a side push cylinder, the bottom of the roller device connected with the side push cylinder slides laterally to the slide rail through X, the X-direction distance between the two roller devices is adjusted, and the rotating shaft of the roller device fixedly arranged is connected with the rotating shaft of the edge sealing die through a linkage device. The edge sealing equipment can automatically, quickly and accurately sleeve the outer bag into the inner bag and carry out heat seal sealing, the functions of alignment, edge folding and quick heat seal edge sealing of the inner bag and the outer bag are realized, the working efficiency is improved, and a large amount of labor force is saved.

Description

Edge sealing equipment for folded port of double-layer packaging bag

Technical Field

The utility model relates to a roll over a mouthful banding equipment of double-deck wrapping bag belongs to the auxiliary processing equipment of wrapping bag.

Background

At present, a double-layer packaging bag is available on the market, and comprises an outer bag and an inner bag, wherein the outer bag is usually made of a woven bag, the inner bag is made of a plastic material, the inner bag is required to be sleeved in the outer bag in the processing process, then the inner bag and the outer bag are simultaneously bent inwards by a thread and then are sewn together, and the inner bag and the outer bag are heated together through a heat sealing device at the upper opening of the bag, so that the packaging bag is convenient to fill. The existing production mode is that an inner bag is sleeved in an outer bag by manpower, the inner bag is firstly pulled flat and then sewn on a sewing machine, the inner bag is conveyed to a heat sealing machine for manual heat sealing after the bottom of the bag is sewn, the process needs a certain skilled technical foundation, time and labor are wasted, the labor intensity is high, the production efficiency is low, the shoulder joints of operators are abraded and injured after the time is long, some packaging machine manufacturers develop lining machines in recent years, but only the equipment realizes the sleeving and the bottom sewing, only the problem that the most time and energy wasting of the folded edge sealing of the sleeving is solved, and the sealing of the inner bag and the outer bag is still at the level of manual operation at present.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to provide a hem banding equipment of double-deck wrapping bag, this banding equipment can be with the automatic quick accurate inner bag and the heat seal of emboliaing of outer bag, realized that the inner and outer bag aligns, the function of hem and quick heat seal banding not only improves work efficiency, has saved a large amount of labours moreover.

For solving the above problems, the specific technical scheme of the utility model is as follows: a main platform is provided with a vertical slideway, and a sealing device is connected on the vertical slideway in a sliding manner through a Z-direction feeding mechanism; the lower end of the edge sealing device is provided with an edge-folding limiting plate group, an edge sealing die is arranged in the edge-folding limiting plate group, and the position of the edge sealing die corresponds to that of the edge sealing device; a folding action device is arranged outside the edge of the folding limiting plate group; the two ends of the edge folding limiting plate group are respectively provided with roller devices with parallel axes, one of the roller devices is fixed on the main platform, the other roller device is connected with the main platform through a side push cylinder, the bottom of the roller device connected with the side push cylinder slides laterally to the slide rail through X, the X-direction distance between the two roller devices is adjusted, and the rotating shaft of the roller device fixedly arranged is connected with the rotating shaft of the edge sealing die through a linkage device.

The roller device is structurally characterized in that a rotating motor and a bearing seat are fixedly connected on a supporting plate, and a rotating shaft of the roller passes through the bearing seat to be connected with an output shaft of the rotating motor; one supporting plate connected with the rotating motor is connected with the X-direction sliding rail in a sliding mode through a side push cylinder fixed on the main platform; the outer end part of the roller is coaxially connected with a supporting roller.

The supporting plate is of a split structure and consists of a main supporting plate and an auxiliary supporting plate, and a rotating motor is arranged on the main supporting plate; the auxiliary supporting plate is connected with a bearing seat, and a rotating motor is connected with the end part of a rotating shaft of the roller through a plug-in connector; the bottom of the main platform is connected with the base through a Y-direction feeding mechanism; an auxiliary supporting plate is arranged at the position aligned below the bearing seat, the lower surface of the auxiliary supporting plate is connected with a transposition frame, a moving wheel is arranged at the bottom of the transposition frame, a transposition track is arranged on the base, and the moving wheel is in rolling connection with the transposition track; an X-direction slide rail is also arranged below the auxiliary supporting plate corresponding to the main supporting plate connected with the X-direction slide rail; the main supporting plate is provided with a socket, and the auxiliary supporting plate is provided with a plug-in rod corresponding to the socket.

The rotating shaft of the edge sealing die is provided with a chain wheel, the rotating shaft of the roller device with a fixed position is provided with the chain wheel, and the chain wheels are connected through chain transmission.

An inner bag positioning device is arranged between the two roller devices, the concrete structure is that a pipeline frame is positioned in a packaging bag to be processed, a plurality of vacuumizing suction ports are arranged at the middle part and the tail part of the pipeline frame, the open ends of the vacuumizing suction ports are distributed upwards or downwards, and the vacuumizing suction ports distributed upwards and the vacuumizing suction ports distributed downwards are distributed at intervals.

The edge folding limiting plate group consists of an upper limiting plate and a lower limiting plate, the upper limiting plate and the lower limiting plate are arranged in parallel, the outer edges of the upper limiting plate and the lower limiting plate are positioned in the same vertical plane, an open groove is formed in the edge of the lower limiting plate, and the top of the edge sealing die extends out of the upper surface of the lower limiting plate from the open groove; wherein the horizontal projection area of last limiting plate overlaps with the horizontal projection area of lower limiting plate, and the overlap position is located the entrance of banding mould and wrapping bag banding.

The opening groove of the lower limiting plate is provided with an inclined plane which inclines upwards, and the inclination direction of the inclined plane is consistent with the direction of the heat seal inlet of the packaging bag.

The edge folding action device consists of a lower pressing plate and a side pushing plate, wherein a lower pressing plate cylinder is arranged on the main platform, a piston rod of the lower pressing plate cylinder faces downwards vertically, the tail end of the piston rod is connected with the lower pressing plate, and the surface of the lower pressing plate is parallel to the outer edge of the upper limiting plate and is positioned on the inner side of the outer edge of the upper limiting plate; the main platform is provided with a side push plate cylinder, a piston rod of the side push plate cylinder is horizontally arranged, the tail end of the side push plate cylinder is connected with a side push plate, and the side push plate is parallel to the upper limiting plate and is positioned between the upper limiting plate and the lower limiting plate.

The lower limiting plate is provided with an upper push plate arranged in parallel, the bottom of the upper push cylinder is connected with the main platform, and a piston rod of the upper push cylinder is connected with the upper push cylinder.

The folding edge sealing equipment of the double-layer packaging bag adopts the side-push cylinder to enable the roller device to slide outwards along the X-direction sliding rail, so that the automatic expansion and rolling of the packaging bag are realized; the edge-folding limiting plate group and the edge-folding action device are utilized to realize the bending function of the packaging bag, and the edge-sealing function of the packaging bag is realized by utilizing the edge-sealing die and the edge-sealing device.

The power of the roller device is driven by a motor and supported by a bearing seat, so that the packaging bag is effectively supported.

Preferably, the supporting plate adopts a split structure of the main supporting plate and the auxiliary supporting plate, and is combined through the Y-direction feeding mechanism, and the structure of the supporting plate realizes that the roller can slide along the transposition track to another station in a non-working state, so that the integral processing speed of the packaging bag is improved.

The edge sealing die adopts the linkage of a chain wheel, a chain and a roller, so that the quality of heat seal is ensured.

Set up the vacuum suction inlet between two gyro wheel devices, be convenient for fix a position the inner bag of double-deck wrapping bag, prevent that outer bag in the location process, the inner bag takes place to shift the deformation scheduling problem.

The edge folding limiting plate group is composed of an upper limiting plate and a lower limiting plate, and the folded packaging bag is limited through the upper limiting plate and the lower limiting plate, so that the folding quality is guaranteed. And further, an inclined plane is arranged on the lower limiting plate, so that the packaging bag can accurately enter the edge sealing die.

The edge folding actuating device adopts a downward pressing plate cylinder and a side pushing plate cylinder which are pushed laterally to apply force to the edge of the packaging bag, so that the packaging bag can be quickly bent.

When the wrapping bag is than when thick, still further need push up the push pedal action on the cylinder drive, realize the buckling of hem.

Drawings

FIG. 1 is an isometric view of a first embodiment of a hem seal apparatus for a two-ply package.

Fig. 2 is a schematic structural view of the main stage portion.

Fig. 3 is a schematic view of the connection structure of the parts of the index frame.

FIG. 4 is an isometric view of a second embodiment of a hem seal apparatus for a two-ply package.

Fig. 5 is a schematic structural view of the lower limiting plate having an inclined surface.

Fig. 6 is a schematic structural view of a lower retainer plate having a push-up cylinder.

Detailed Description

Example one

As shown in fig. 1 to 3, in a folding and edge sealing device for a double-layer packaging bag, a vertical slideway is arranged on a main platform 1, an edge sealing device 5 is slidably connected to the vertical slideway through a Z-direction feeding mechanism 2, the Z-direction feeding mechanism 2 generally adopts a cylinder connected to the vertical slideway, a piston of the cylinder is connected to the edge sealing device 5, and the edge sealing device of the embodiment adopts an ultrasonic welding head structure; the lower end of the edge sealing device 5 is provided with an edge folding limiting plate group 4, the edge folding limiting plate group 4 consists of an upper limiting plate 4-1 and a lower limiting plate 4-2, the upper limiting plate 4-1 and the lower limiting plate 4-2 are arranged in parallel, the outer edges of the upper limiting plate and the lower limiting plate are positioned in the same vertical plane, the edge of the lower limiting plate 4-2 is provided with an open slot, and the top of the edge sealing die 3 extends out of the upper surface of the lower limiting plate 4-2 from the open slot; the horizontal projection areas of the upper limiting plate 4-1 and the lower limiting plate 4-2 are overlapped, and the overlapped part is positioned at the entrance of the edge sealing die 3 and the edge sealing of the packaging bag; as shown in FIG. 4, an upward inclined plane 4-2.1 is arranged at the opening slot of the lower limiting plate 4-2, and the inclination direction of the inclined plane is consistent with the direction of the heat seal inlet of the packaging bag, so that the packaging bag can rapidly enter the heat seal inlet; a sealing edge die 3 is arranged in the edge folding limiting plate group 4, and the position of the sealing edge die 3 corresponds to the position of the sealing edge device 5; a folding action device 6 is arranged outside the edge of the folding limiting plate group 4, the folding action device 6 consists of a lower pressing plate 6-1 and a side pushing plate 6-2, wherein a lower pressing plate cylinder 6-3 is arranged on the main platform 1, a piston rod of the lower pressing plate cylinder 6-3 is vertically downward, the tail end of the piston rod is connected with the lower pressing plate 6-1, and the surface of the lower pressing plate 6-1 is parallel to the outer edge of the upper limiting plate 4-1 and is positioned at the inner side of the outer edge of the upper limiting plate 4-1; a side push plate cylinder 6-4 is arranged on the main platform 1, a piston rod of the side push plate cylinder 6-4 is horizontally arranged, the tail end of the side push plate cylinder is connected with a side push plate 6-2, the side push plate 6-2 is parallel to the upper limiting plate 4-1 and is positioned between the upper limiting plate 4-1 and the lower limiting plate 4-2; the two ends of the edge folding limiting plate group 4 are respectively provided with roller devices 7 with parallel axes, one roller device 7 is fixed on the main platform 1, the other roller device 7 is connected with the main platform 1 through a side push cylinder 9, the bottom of the roller device 7 connected with the side push cylinder 9 slides to the side of the slide rail 8 through X, the axial distance between the two roller devices 7 is adjusted, and the rotating shaft of the roller device 7 fixedly arranged is connected with the rotating shaft of the edge sealing mold 3 through a linkage device.

The roller device 7 is structurally characterized in that a rotating motor 7-2 and a bearing seat 7-3 are fixedly connected to a supporting plate 7-1, and a rotating shaft of a roller 7-4 penetrates through the bearing seat 7-3 to be connected with an output shaft of the rotating motor 7-2; one supporting plate 7-1 connected with a rotating motor is connected with an X-direction sliding rail 8 in a sliding mode through a side pushing cylinder 9 fixed on a main platform 1, when the side pushing cylinder 9 acts, a piston drives the rotating motor 7-2 and a bearing seat 7-3 to move in the X direction at the same time, so that a packaging bag is in a tensioning state, the rotating motor 7-2 is started, and a roller 7-4 drives the packaging bag to rotate; the outer end part of the roller 7-4 is coaxially connected with a supporting roller 7-5 to support the whole length of the packaging bag.

A chain wheel 3-1 is arranged on a rotating shaft of the edge sealing die 3, a chain wheel 3-1 is arranged on a rotating shaft of a roller device 7 with a fixed position, and the chain wheels 3-1 are in transmission connection through a chain 3-2; as shown in FIG. 3, to increase the tension of the sprocket, more sprockets can be provided for tensioning. The power supply of banding mould has been saved to this structure, can make the banding mould rotate through the power of gyro wheel.

An inner bag positioning device is arranged between the two roller devices 7, and the concrete structure is that a pipeline frame 5-1 is positioned in a packaging bag to be processed, the middle part and the tail part of the pipeline frame 5-1 are provided with a plurality of vacuumizing suction ports 5-2, the opening ends of the vacuumizing suction ports 5-2 are distributed upwards or downwards, and the vacuumizing suction ports 5-2 distributed upwards and the vacuumizing suction ports 5-2 distributed downwards are distributed at intervals.

As shown in figure 5, when the outer bag of the packaging bag is thicker, the inclined surface 4-2.1 can be omitted and replaced by an upper push plate 6-5, the upper push plate 6-5 is positioned below the lower limiting plate 4-2 and arranged in parallel, the bottom of an upper push cylinder 6-6 is connected with the main platform 1, and a piston rod of the upper push cylinder 6-6 is connected with the upper push cylinder 6-6.

Example two

As shown in fig. 4, in order to facilitate the application of the apparatus on the production line, the roller device is arranged on the transposition frame 12 and the transposition track 11, and the supporting plate 7-1 is made into a split structure, the supporting plate 7-1 is composed of a main supporting plate 7-1.1 and an auxiliary supporting plate 7-1.2, and the main supporting plate is provided with a rotating motor 7-2; the auxiliary supporting plate 7-1.2 is connected with a bearing seat 7-3, and the rotating motor 7-2 is connected with the end part of a rotating shaft of the roller 7-4 through a plug-in connector 13; the bottom of the main platform 1 is connected with a base 10 through a Y-direction feeding mechanism 14; the lower alignment position of the bearing seat 7-3 is an auxiliary supporting plate 7-1.2, the lower surface of the auxiliary supporting plate 7-1.2 is connected with a transposition frame 12, the bottom of the transposition frame 12 is provided with a moving wheel, a transposition track 11 is arranged on the base 10, and the moving wheel is in rolling connection with the transposition track 11; an X-direction slide rail 8 is also arranged below an auxiliary supporting plate 7-1.2 corresponding to the main supporting plate 7-1.1 connected with the X-direction slide rail 8; the main supporting plate 7-1.1 is provided with a socket 7-1.3, and the auxiliary supporting plate 7-1.2 is provided with a plug rod 7-1.4 corresponding to the socket 7-1.3. The rest of the structure is the same as the technical scheme of the first embodiment.

The working process of the folding edge sealing equipment for the double-layer packaging bag comprises the following steps:

The inner bag is sleeved into the roller 7-4 through the supporting roller 7-5 at a fixed position, the vacuumizing device is started through the vacuum frame 5-1 and the vacuum suction port 5-2 to position the inner bag, the outer bag is sleeved outside the inner bag, the inner bag opening and the outer bag opening are aligned, and the vacuumizing device is stopped.

And starting the Y-direction feeding mechanism 14, moving the main platform 1 along the Y direction to enable the plug connectors 13 at the two ends to be in butt joint, and simultaneously enabling the plug interfaces 7-1.3 of the main supporting plate 7-1.1 to be in butt joint with the plug rods 7-1.4 of the auxiliary supporting plate 7-1.2. The side pushes away cylinder 9 and starts to make the bottom of roller device 7 through X to slide 8 side direction, adjusts two roller device 7X to the interval, expands the wrapping bag, makes the wrapping bag reach nervous state. Then, the edge folding action is started, the lower pressing plate cylinder 6-3 is started, the lower pressing plate 6-1 is pressed downwards, the edge of the bag opening is folded downwards, the side pushing plate cylinder 6-4 is started, the side pushing plate 6-2 is pushed laterally to enable the bag opening to be folded inwards, edge folding of part of the bag opening is completed, and then the bag opening is folded through the edge folding limiting plate group as a guide while the packaging bag rotates.

The ultrasonic welding head of the edge sealing device 5 vertically descends to the upper end of the edge sealing die 3 through the Z-direction feeding mechanism 2 and contacts with the edge sealing die 3, so that better heat sealing can be conveniently carried out on the bag opening. At the moment, the rotating motor 7-2 is started, and the roller 7-4 drives the packaging bag to rotate. Wherein the rotating shaft of the roller device 7 which is fixedly arranged is connected with the rotating shaft of the edge sealing mould 3 through a linkage device. So that the edge sealing mould 3 synchronously rotates. The rotary edge sealing die 3 is in contact with the ultrasonic welding joint, and the rotary double-layer packaging bag is arranged between the edge sealing die and the ultrasonic welding joint and is subjected to effective heat sealing for a circle of the double-layer packaging bag by rotating for a circle, so that the efficiency is greatly improved.

After the packaging bag is sealed for one circle, the Y-direction feeding mechanism 14 and the Z-direction feeding mechanism 2 return, and the air cylinder in the edge folding actuating device 6 also returns to the initial state. In order to facilitate the application of the equipment on the production line, the structure of the transposition track 11 and the transposition frame 12 is adopted, so that the roller device drives the packaging bag to slide to another station, and the overall processing speed of the packaging bag is improved. If single equipment is manufactured, the supporting plate 7-1 can also be integrated into a whole, and the rotating shaft of the roller 7-4 is directly and coaxially connected with the rotating motor 7-2.

Claims

1. The utility model provides a hem mouth banding equipment of double-deck wrapping bag which characterized in that: a vertical slideway is arranged on the main platform (1), and a Z-direction feeding mechanism (2) is connected with the edge sealing device (5) in a sliding manner on the vertical slideway; a hem limiting plate group (4) is arranged at the lower end of the edge sealing device (5), an edge sealing die (3) is arranged in the hem limiting plate group (4), and the position of the edge sealing die (3) corresponds to the position of the edge sealing device (5); a folding action device (6) is arranged outside the edge of the folding limiting plate group (4); the two ends of the edge folding limiting plate group (4) are respectively provided with roller devices (7) with parallel axes, one roller device (7) is fixed on the main platform (1), the other roller device (7) is connected with the main platform (1) through a side push cylinder (9), the bottom of the roller device (7) connected with the side push cylinder (9) slides laterally through an X-direction sliding rail (8), the X-direction interval of the two roller devices (7) is adjusted, and a rotating shaft of the fixedly arranged roller device (7) is connected with a rotating shaft of the edge sealing mold (3) through a linkage device.

2. The edge banding apparatus for double-layered packing bags according to claim 1, wherein: the roller device (7) is structurally characterized in that a supporting plate (7-1) is fixedly connected with a rotating motor (7-2) and a bearing seat (7-3), and a rotating shaft of a roller (7-4) penetrates through the bearing seat (7-3) to be connected with an output shaft of the rotating motor (7-2); one supporting plate (7-1) connected with a rotating motor is in sliding connection with an X-direction sliding rail (8) through a side push cylinder (9) fixed on the main platform (1); the outer end part of the roller (7-4) is coaxially connected with a supporting roller (7-5).

3. The edge banding apparatus for double-layered packing bags according to claim 2, wherein: the supporting plate (7-1) is of a split structure and consists of a main supporting plate (7-1.1) and an auxiliary supporting plate (7-1.2), and a rotating motor (7-2) is arranged on the main supporting plate; the auxiliary supporting plate (7-1.2) is connected with a bearing seat (7-3), and the rotating motor (7-2) is connected with the end part of a rotating shaft of the roller (7-4) through a plug-in connector (13); the bottom of the main platform (1) is connected with a base (10) through a Y-direction feeding mechanism (14); an auxiliary supporting plate (7-1.2) is arranged at a contraposition position below the bearing seat (7-3), the lower surface of the auxiliary supporting plate (7-1.2) is connected with a transposition frame (12), a moving wheel is arranged at the bottom of the transposition frame (12), a transposition track (11) is arranged on the base (10), and the moving wheel is in rolling connection with the transposition track (11); an X-direction slide rail (8) is also arranged below an auxiliary supporting plate (7-1.2) corresponding to the main supporting plate (7-1.1) connected with the X-direction slide rail (8); the main supporting plate (7-1.1) is provided with a socket (7-1.3), and the auxiliary supporting plate (7-1.2) is provided with a socket rod (7-1.4) corresponding to the socket (7-1.3).

4. The apparatus of claim 2 or 3, wherein: the rotary shaft of the edge sealing die (3) is provided with a chain wheel (3-1), the rotary shaft of the roller device (7) with a fixed position is provided with the chain wheel (3-1), and the chain wheels (3-1) are in transmission connection through a chain (3-2).

5. The apparatus of claim 2 or 3, wherein: an inner bag positioning device is arranged between the two roller devices (7), and the specific structure is that a pipeline frame (5-1) is positioned in a packaging bag to be processed, a plurality of vacuumizing suction ports (5-2) are arranged at the middle part and the tail part of the pipeline frame (5-1), the opening ends of the vacuumizing suction ports (5-2) are distributed upwards or downwards, and the vacuumizing suction ports (5-2) distributed upwards and the vacuumizing suction ports (5-2) distributed downwards are distributed at intervals.

6. The edge banding apparatus for double-layered packing bags according to claim 1, wherein: the edge folding limiting plate group (4) consists of an upper limiting plate (4-1) and a lower limiting plate (4-2), the upper limiting plate (4-1) and the lower limiting plate (4-2) are arranged in parallel, the outer edges of the upper limiting plate and the lower limiting plate are positioned in the same vertical plane, an open groove is formed in the edge of the lower limiting plate (4-2), and the top of the edge sealing mold (3) extends out of the upper surface of the lower limiting plate (4-2) from the open groove; wherein the horizontal projection areas of the upper limiting plate (4-1) and the lower limiting plate (4-2) are overlapped, and the overlapped part is positioned at the entrance of the edge sealing mould (3) and the edge sealing of the packaging bag.

7. The edge banding apparatus for double-layered packing bags according to claim 6, wherein: an inclined plane (4-2.1) which inclines upwards is arranged at the opening groove of the lower limiting plate (4-2), and the inclination direction of the inclined plane is consistent with the heat seal inlet direction of the packaging bag.

8. The edge banding apparatus for double-layered packing bags according to claim 6, wherein: the edge folding action device (6) consists of a lower pressing plate (6-1) and a side pushing plate (6-2), wherein a lower pressing plate cylinder (6-3) is arranged on the main platform (1), a piston rod of the lower pressing plate cylinder (6-3) is vertically downward, the tail end of the piston rod is connected with the lower pressing plate (6-1), and the surface of the lower pressing plate (6-1) is parallel to the outer edge of the upper limiting plate (4-1) and is positioned on the inner side of the outer edge of the upper limiting plate (4-1); a side push plate cylinder (6-4) is arranged on the main platform (1), a piston rod of the side push plate cylinder (6-4) is horizontally arranged, the tail end of the side push plate cylinder is connected with a side push plate (6-2), and the side push plate (6-2) is parallel to the upper limiting plate (4-1) and is positioned between the upper limiting plate (4-1) and the lower limiting plate (4-2).

9. The apparatus of claim 6 or 7, wherein: an upper push plate (6-5) which is arranged in parallel is arranged below the lower limiting plate (4-2), the bottom of an upper push cylinder (6-6) is connected with the main platform (1), and a piston rod of the upper push cylinder (6-6) is connected with the upper push cylinder (6-6).