CN115504033A - Clip bag filling device for automatic packaging machine - Google Patents

Abstract

The invention discloses a bag clamping and filling device for a full-automatic packaging machine, which comprises: the mounting bracket is provided with a lifting mechanism and a feeding hopper. The middle part of the clamping mechanism mounting plate is provided with a material filling nozzle mechanism and a middle clamping jaw mechanism, the middle clamping jaw mechanism is arranged outside the material filling nozzle mechanism and is matched with the material filling nozzle mechanism, two sides of an opening of the material bag are clamped when the material filling nozzle mechanism opens to open the material bag, and the opening of the closed material bag is clamped when the material bag falls on the conveying clamping device. And a group of side clamping jaw mechanisms are respectively arranged on two sides of the clamping mechanism mounting plate and used for matching and clamping two sides of the opening end of the material bag when the material bag is opened and pulling the material bag to two sides when the material bag falls onto the conveying and clamping device so as to flatten the opening end of the material bag. The bag clamping and filling device can realize accurate clamping and material filling, can effectively improve the packaging efficiency and the successful heat-sealing efficiency, and has the advantages of low manufacturing cost, convenient use and high efficiency.

Description

Clip bag filling device for automatic packaging machine

technical field

The invention relates to the field of full-automatic packaging machines, in particular to a bag filling device for full-automatic packaging machines.

Background technique

Most of the existing clamp bag filling devices only have two action states of releasing the jaws to close the filling mouth and clamping the filling mouth to open and discharge, and the structure and working process of the actuators in each state are complicated.

The structural defect of this kind is that when the clamping filling device is in the state of clamping the jaws and clamping the filling port to open, the conveying and clamping device for switching between the filling and heat-sealing stations clamps the material bag and transports it to the heat-sealing station. Because the material bag is filled with materials, the mouth of the material bag is opened very large, resulting in inaccurate clamping of the conveying clamping device, which leads to wrinkling of the heat-sealed bag mouth, which in turn leads to air leakage of the material bag and unqualified packaging, that is, the material bag The heat sealing stability is low, and the packaging success rate is low.

Contents of the invention

The invention provides a bag-filling device for a fully automatic packaging machine to solve the problems existing in the existing bag-filling device: "complex actuator structure and working process, inaccurate conveying and clamping, which easily lead to heat-sealed bags Wrinkles at the mouth, which makes the material bag leak and the packaging is unqualified".

The technical scheme that the present invention adopts is as follows:

A clamping bag filling device for a fully automatic packaging machine, comprising: a mounting bracket and a clamping mechanism mounting plate arranged in sequence up and down in the space, the mounting bracket is used to connect with the frame of the packaging machine, and a lifting mechanism and a lifting mechanism are arranged on it. Feed hopper, the feed hopper extends vertically downwards after being pierced with a mounting bracket, the mounting plate of the clamping mechanism slides up and down on the feeding hopper, and the lifting end of the lifting mechanism extends downwards to connect to the mounting plate of the clamping mechanism; The middle part of the mounting plate of the clamping mechanism is provided with a filling nozzle mechanism and a middle jaw mechanism. The mechanism and the filling nozzle mechanism work together to clamp the two sides of the opening of the material bag when the filling nozzle mechanism opens and opens the material bag during filling and unloading, and when the filling is completed, the lifting mechanism descends so that the material bag falls on the conveying clamping device Clamp and close the opening of the material bag when it is up; there are also a set of side jaw mechanisms that are relatively sliding on both sides of the mounting plate of the clamping mechanism, which is used to cooperate with clamping the material bag during the process of opening, filling and discharging the material bag The two sides of the opening end are used to pull the material bag to both sides when the material bag is filled and falls onto the conveying clamping device, so as to level the open end of the material bag.

Further, the lifting mechanism includes two sets of lifting cylinders, the feeding hopper is located in the middle of the mounting bracket, and the two sets of lifting cylinders are symmetrically arranged on both sides of the feeding hopper; each set of lifting cylinders is fixed on the mounting bracket, and the driving end is pierced and installed The bracket extends vertically downwards and is fixedly connected to the mounting plate of the clamping mechanism.

Further, the filling nozzle mechanism includes a hollow tubular feeding tube, a filling feeding nozzle set for opening and closing, a bracket assembly for connecting and supporting, and a feeding nozzle driving assembly for driving the opening and closing of the filling feeding nozzle. ; The feeding tube is vertically fixed on the mounting plate of the clamping mechanism, and is slidably set outside the feeding hopper; the filling nozzle is vertical and hollow, and is set outside the feeding tube; the bracket structure is respectively connected to the clamping mechanism The mounting plate and the filling feed nozzle; the feed nozzle drive assembly is connected between the clamping mechanism mounting plate and the bracket assembly to drive the bracket assembly to drive the filling feed nozzle to open outwards or inwards Pinch the opening of the material bag closed.

Further, the filling nozzle includes two oppositely arranged feeding nozzle plates; the upper ends of the two feeding nozzle plates are fitted to slide and fit on the outer circle of the feeding pipe, and the lower ends of the two feeding nozzle plates are opposite to each other. Separate to open the material bag, and cooperate with the middle jaw mechanism to respectively clamp the two sides of the opening of the material bag.

Further, each feeding mouth plate includes two mouth-shaped plates arranged at relative intervals, a mounting plate vertically connected between the two mouth-shaped plates, and a positioning bar fixedly connected to the outer wall surface of the lower end of the mounting plate; the mouth-shaped plate is in the form of Square plate shape, and the middle part of one side is gradually concave toward the other side to form a gap, so that the two feed nozzle plates cooperate to form a mouth-shaped structure with the upper part as the installation channel and the lower part gradually opening outward; the connecting plate and the bracket The assembly is fixed; the positioning bar is used for positioning when it is in contact with the intermediate jaw mechanism.

Further, the bracket assembly includes supporting and fixing plates respectively arranged on both sides of the filling feed nozzle, two connecting shafts, two groups of first jaw supports and two groups of second jaw supports; the two supporting and fixing plates are vertical The two connecting shafts are arranged in parallel, and the two ends of each connecting shaft are respectively vertically connected to the lower ends of the two supporting and fixing plates; the two sets of first jaw supports are respectively connected On both sides of the opening and closing direction of the filling nozzle, and the two sets of second jaw supports are also respectively connected to both sides of the filling nozzle opening and closing direction, and the first clips on both sides of the filling nozzle The jaw support and the second jaw support are arranged correspondingly, and the upper ends of the first jaw support and the second jaw support are rotatably mounted on the connecting shafts on the corresponding sides.

Further, both the first jaw support and the second jaw support include a first connecting plate fixed to the outer side wall of the feed nozzle plate, a second connecting plate vertically fixed to the first connecting plate, and vertically penetrating through the second The upper support tube arranged on the upper end of the connecting plate; the first jaw support also includes a lower support tube vertically penetrating through the lower end of the second connecting plate; Vertically penetrate the lower support tube set at one end of the installation support plate, and vertically penetrate the installation hole at the other end of the installation support plate; the feed nozzle drive assembly includes two sets of feed nozzle drive cylinders arranged on both sides of the filling feed nozzle opening and closing direction, One end of each group of feed nozzle drive cylinders is hinged to the mounting plate of the clamping mechanism, and the opposite end is hinged to the mounting hole of the second jaw support on the corresponding side through the hinge shaft.

Further, the intermediate jaw mechanism includes two sets of intermediate jaws and two sets of intermediate jaw cylinders; the two sets of intermediate jaws are respectively arranged on both sides of the opening and closing direction of the filling feeding nozzle, and the two sides of the upper end of each intermediate jaw are respectively It is hinged with the first jaw support and the second jaw support on the corresponding side; the two sets of intermediate jaw cylinders are set corresponding to the two sets of intermediate jaws, and one end of each intermediate jaw cylinder is hinged with the mounting plate of the clamping mechanism. The opposite other end is hinged with the middle part of the middle jaw of the corresponding side.

Further, the middle jaw includes a jaw body, a chuck connected to the lower end of the jaw body, and a connecting support plate supported on the outer wall of the jaw body; The lower support tubes of both the claw support and the second jaw support are hinged; the lower end of the middle jaw cylinder is hinged with the connecting support plate on the corresponding side through a hinge shaft.

Further, the side jaw mechanism includes a bag pulling cylinder slidably connected to the lower surface of the mounting plate of the clamping mechanism, a mounting support fixed on the bag pulling cylinder, and side jaws fixed on the mounting support; two groups of side clamps The claw mechanism is relatively close to or relatively far away from the middle of the clamping mechanism installation plate through the bag-pull cylinder; the side jaws are opened and closed to clamp the outside of the opening end of the material bag.

The present invention has the following beneficial effects:

The bag-clamping filling device used in the automatic packaging machine of the present invention, the bag-clamping filling device and the material bag can respectively realize the closing of the filling mouth by releasing the jaws, clamping the filling mouth by clamping the jaws to open the material, and clamping the jaws The three action states of tight filling mouth closing realize precise clamping and filling of materials, and more importantly, since the filling mouth mechanism cooperates with the middle jaw mechanism when the jaws clamp the filling mouth closed state Clamp the opening of the material bag to close the opening end of the material bag, and at the same time, the side jaw mechanisms on both sides move to both sides to level the opening end of the material bag, which not only enables the conveying clamping device to accurately clamp the material bag, At the same time, it can also ensure that the mouth of the material bag is transported to the heat-sealing station for sealing, thereby effectively preventing the seal of the material bag from wrinkling, and the material bag is not easy to leak, thereby improving the packaging efficiency and heat-sealing success efficiency; on the other hand, due to this The inventive bag filling device has an overall lifting function through the lifting mechanism, so that it can adapt to the clamping and sealing requirements of material bags of different heights. The device of the present invention can adapt to the clamping and sealing requirements of material bags of different widths and sizes, and has diversified functions; in addition, the bag filling device of the present invention has a simple overall structure, low manufacturing cost, convenient use, and high efficiency. According to the test, it can well realize the filling and use of the automatic vacuum packaging machine, with stable clamping, precise position, stable effect, and its mechanical and process performance can meet the design requirements.

In addition to the objects, features and advantages described above, the present invention has other objects, features and advantages. Hereinafter, the present invention will be described in further detail with reference to the drawings.

Description of drawings

The accompanying drawings constituting a part of this application are used to provide further understanding of the present invention, and the schematic embodiments and descriptions of the present invention are used to explain the present invention, and do not constitute an improper limitation of the present invention. In the attached picture:

Fig. 1 is a schematic diagram of the space of a bag filling device for a fully automatic packaging machine according to a preferred embodiment of the present invention;

Fig. 2 is a partial spatial schematic diagram 1 of Fig. 1;

Fig. 3 is a partial spatial schematic diagram II of Fig. 1;

Fig. 4 is a front view structural schematic diagram of Fig. 1;

Fig. 5 is a schematic diagram of the front view of the feeding pipe in Fig. 2;

Fig. 6 is a top view structural schematic diagram of the feed nozzle plate in Fig. 2;

Fig. 7 is a schematic diagram of the spatial structure of the first jaw support in Fig. 2;

Fig. 8 is a schematic diagram of the spatial structure of the second jaw support in Fig. 2;

Fig. 9 is a schematic diagram of the spatial structure of the middle jaw in Fig. 2;

Fig. 10 is a schematic diagram of the closed state of the filling port when the jaws are released;

Fig. 11 is a schematic diagram of the opening state of the jaw clamping the filling port;

Fig. 12 is a schematic diagram of the closed state of the jaws clamping the filling port.

10. Mounting bracket; 20. Clamping mechanism mounting plate; 30. Lifting mechanism; 31. Lifting cylinder; 40. Feeding hopper; 50. Filling nozzle mechanism; 521. Feeding mouth plate; 53. Bracket assembly; 531. Supporting and fixing plate; 532. Connecting shaft; 533. First jaw support; 534. Second jaw support; 54. Feeding nozzle drive assembly; 541 , feeding nozzle driving cylinder; 60, middle gripper mechanism; 61, middle gripper; 62, middle gripper cylinder; 70, material bag; 80, side gripper mechanism; 81, bag pulling cylinder; 82, installation support ; 83, side jaws.

detailed description

The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be implemented in various ways defined and covered below.

Referring to Fig. 1 and Fig. 4, a preferred embodiment of the present invention provides a bag filling device for a fully automatic packaging machine, including: a mounting bracket 10 and a clamping mechanism mounting plate 20 arranged in sequence up and down in the space, and the mounting bracket 10 is used to connect with the frame of the packaging machine, on which there is a lifting mechanism 30 and a feeding hopper 40, the feeding hopper 40 extends vertically downward after passing through the mounting bracket 10, and the mounting plate 20 of the clamping mechanism slides up and down to pass through On the feeding hopper 40 , and the lifting end of the lifting mechanism 30 extends downwards to connect with the mounting plate 20 of the clamping mechanism. The middle part of the clamping mechanism mounting plate 20 is provided with a filling nozzle mechanism 50 and a middle jaw mechanism 60. The filling nozzle mechanism 50 is vertically arranged and its upper end communicates with the feeding hopper 40. The middle jaw mechanism 60 is wrapped around the filling nozzle. Outside the mechanism 50, the middle jaw mechanism 60 and the filling nozzle mechanism 50 cooperate to clamp the two sides of the opening of the material bag 70 when the filling nozzle mechanism 50 opens and opens the material bag 70 for filling and unloading, and when the filling ends The lifting mechanism 30 descends to clamp and close the opening of the material bag 70 when the material bag 70 falls on the conveying clamping device. Both sides of the clamping mechanism mounting plate 20 are respectively provided with a set of side clamping jaw mechanisms 80 which are relatively slidably arranged to cooperate with clamping both sides of the opening end of the material bag 70 when the material bag 70 is opened, filled and unloaded, and It is used to pull the material bag 70 to both sides when the material bag 70 is filled and falls onto the conveying clamping device, so as to level the open end of the material bag 70 .

When working, the filling nozzle mechanism 50 is closed, and the middle jaw mechanism 60 and the side jaw mechanism 80 are both opened. After the bag-loading device moves up, the material bag 70 is placed outside the filling nozzle mechanism 50, and the bag-filling device The position of the material bag 70 is shown in Figure 10; when filling and unloading, the filling nozzle mechanism 50 is opened, on the one hand, the opening of the material bag 70 is opened, and on the other hand, the middle jaw mechanism 60 is used to hold the The two sides of the opening end of the opened material bag 70 are respectively clamped, and at the same time, the side jaw mechanisms 80 on both sides are closed and clamped to both sides of the opening end of the material bag 70. The positions of the bag filling device and the material bag 70 are shown in Figure 11. After the filling and blanking is finished, the lifting mechanism 30 descends so that the material bag 70 is located on the conveying clamping device, and then the filling nozzle mechanism 50 and the middle jaw mechanism 60 are closed, and the two cooperate to clamp the open end of the material bag 70 The material bag 70 is closed, and at the same time, the side jaw mechanisms 80 on both sides move and pull the open end of the closed material bag 70 to both sides, so as to level the open end of the material bag 70, and the clamping bag filling device and the material bag 70 The position status is shown in Figure 12.

The bag-clamping filling device used in the automatic packaging machine of the present invention, the bag-clamping filling device and the material bag 70 can respectively realize the closing of the filling mouth by releasing the jaws, clamping the filling mouth by clamping the jaws to open the material, and the filling mouth by the jaws The three action states of clamping and closing the filling mouth realize accurate clamping and filling of materials, and more importantly, since the filling mouth mechanism 50 and the middle jaw The mechanism 60 cooperates with the opening of the clamping material bag 70 to close the opening end of the material bag 70, and at the same time, the side jaw mechanisms 80 on both sides move to both sides to level the opening end of the material bag 70, which not only makes the conveying clamping device It can precisely clamp the material bag 70, and at the same time, it can ensure that the material bag 70 is smoothly transported to the heat-sealing station for sealing, thereby effectively preventing the material bag from wrinkling, and the material bag is not easy to leak, thereby improving packaging efficiency and heat sealing success rate; on the other hand, because the bag filling device of the present invention has an overall lifting function through the lifting mechanism 30, it can adapt to the clamping and sealing requirements of material bags of different heights, and at the same time, the two sets of side jaw mechanisms 80 can also relatively fill The nozzle mechanism 50 is relatively close or relatively far away, so that the device of the present invention can adapt to the clamping and sealing requirements of material bags of different widths and sizes, and has diversified functions; in addition, the overall structure of the bag filling device of the present invention is simple, and the manufacturing cost is low. Easy to use, high efficiency, and the device of the present invention has been tested, it can well realize the filling and use of the automatic vacuum packaging machine, the clamping is stable, the position is accurate, the effect is stable, and its mechanical performance and process performance can reach the design Require.

Optionally, as shown in FIGS. 1 and 2 , the lifting mechanism 30 includes two sets of lifting cylinders 31 , the feeding hopper 40 is located in the middle of the mounting bracket 10 , and the two sets of lifting cylinders 31 are symmetrically arranged on both sides of the feeding hopper 40 . Each group of lifting cylinders 31 is fixed on the mounting bracket 10 , and the driving end passes through the mounting bracket 10 and extends vertically downwards to be fixedly connected to the clamping mechanism mounting plate 20 . The structural setting of the present invention realizes the overall lifting of the bag filling device, and at the same time, the device is integrated due to the setting "the feeding hopper 40 is located in the middle of the mounting bracket 10, and the two groups of lifting cylinders 31 are symmetrically arranged on both sides of the feeding hopper 40". The structure is stable, the operation is stable and reliable, and the overall structure and setting of the lifting mechanism 30 are simple.

Optionally, as shown in Fig. 2 and Fig. 3, the filling nozzle mechanism 50 includes a hollow tubular feeding pipe 51, a filling feeding nozzle 52 arranged for opening and closing, a bracket assembly 53 for connecting and supporting, and is used for driving A feed nozzle drive assembly 54 for opening and closing the filling feed nozzle 52 . The feeding tube 51 is vertically fixed on the mounting plate 20 of the clamping mechanism, and is slidably fitted outside the feeding hopper 40 . The filling feed nozzle 52 is vertically and hollowly arranged, and is sleeved outside the feeding pipe 51 . The bracket structure is respectively connected to the mounting plate 20 of the clamping mechanism and the filling nozzle 52 . The feed nozzle driving assembly 54 is connected between the clamping mechanism mounting plate 20 and the bracket assembly 53, and is used to drive the bracket assembly 53 to move and then drive the filling feed nozzle 52 to open and discharge materials or to clamp and close materials inward. Opening of bag 70 . In this optional solution, as shown in Figure 5, the feeding pipe 51 is hollow tubular, on the one hand, it is connected to the extended feed hopper 40, and on the other hand, it limits and guides the sliding of the device; the filling feed nozzle 52 passes through The bracket assembly 53 is connected to the mounting plate 20 of the clamping mechanism, and at the same time, the bracket assembly 53 is driven by the feed nozzle drive assembly 54 to drive the opening and closing of the filling feed nozzle 52. The overall setting of the filling nozzle mechanism 50 is simple and the action process It is simple and can effectively reduce the production cost.

In this optional solution, as shown in FIG. 2 , the filling feed nozzle 52 includes two feed nozzle plates 521 arranged opposite to each other. The upper ends of the two feeding nozzle plates 521 are fitted to slide and fit on the outer circle of the feeding tube 51, and the lower ends of the two feeding nozzle plates 521 are relatively separated to open the material bag and cooperate with the middle jaw mechanism 60 respectively. Clamp both sides of the material bag opening. The structural setting of the filling feed nozzle 52, on the one hand, connects and extends the feeding pipe 51, and on the other hand, its lower end forms an openable jaw structure, which stretches the opening of the material bag when opened, and at the same time cooperates with the outer middle jaw The mechanism 60 clamps the opened material bag, and also cooperates with the outer middle jaw mechanism 60 to close the opening of the material bag when closing, so that the function of the filling feeding nozzle 52 is diversified, and the overall structure is simple and easy to prepare.

In the specific embodiment of this option, as shown in Figure 6, each feed nozzle plate 521 includes two nozzle-shaped plates arranged at relative intervals, a mounting plate vertically connected between the two nozzle-shaped plates, and a fixed connection between the two nozzle-shaped plates. Positioning strips on the outer wall surface at the lower end of the mounting plate. The mouth-shaped plate is in the shape of a square plate, and the middle part of one side is gradually concave and inclined toward the other side to form a gap, so that the two feeding nozzle plates 521 cooperate to form a mouth-shaped structure with the upper part as the installation channel and the lower part gradually opening outwards . The connecting plate is fixed with the bracket assembly 53 . The positioning bar is used for positioning when in contact with the middle jaw mechanism 60 . The structural configuration of the feeding nozzle plate 521 not only diversifies the functions of the filling feeding nozzle 52, but also makes the structure processing and preparation very simple, thereby improving the processing efficiency and reducing the processing cost.

In this optional solution, as shown in Figure 2 and Figure 3, the bracket assembly 53 includes support and fixing plates 531 respectively arranged on both sides of the filling feed nozzle 52, two connecting shafts 532, and two sets of first jaw supports 533 And two sets of second jaw supports 534. The two supporting and fixing plates 531 are vertically arranged, and the upper ends are respectively fixed with the clamping mechanism mounting plate 20, and the two connecting rotating shafts 532 are arranged in parallel, and the two ends of each connecting rotating shaft 532 are vertically connected to the two supporting and fixing plates 531 respectively. lower end. Two sets of first jaw supports 533 are respectively connected to both sides of the opening and closing direction of the filling feed nozzle 52, and two sets of second jaw supports 534 are also respectively connected to two sides of the filling and feeding nozzle 52 in the opening and closing direction. side, and the first jaw support 533 and the second jaw support 534 on both sides of the filling feed nozzle 52 are correspondingly arranged, and the upper ends of each first jaw support 533 and second jaw support 534 rotate Installed on the connecting shaft 532 on the corresponding side. The structural setting of the bracket assembly 53 makes the overall structure simple and the connection relationship simple. At the same time, the filling nozzle mechanism 50 and the middle jaw mechanism 60 are connected into one body, so that the overall structure of the device is compact, the required installation space is small, and it is easy to connect. on the packaging machine.

In the specific embodiment of this option, as shown in Figure 7 and Figure 8, both the first jaw support 533 and the second jaw support 534 include a first connection fixed to the outer wall of the feed nozzle plate 521 plate, a second connecting plate vertically fixed to the first connecting plate, and an upper support vertically penetrating through the top of the second connecting plate. The first jaw support 533 also includes a lower support tube vertically penetrating through the lower end of the second connecting plate. The second jaw support 534 also includes a mounting support plate perpendicular to the lower end of the second connecting plate, a lower support tube vertically penetrating one end of the mounting support plate, and a mounting hole vertically penetrating the other end of the mounting support plate. The feeding nozzle driving assembly 54 includes two groups of feeding nozzle driving cylinders 541 located on both sides of the filling feeding nozzle 52 in the direction of opening and closing. One end of each group of feeding nozzle driving cylinders 541 is hinged to the mounting plate 20 of the clamping mechanism. The opposite end is hinged to the mounting hole of the second jaw support 534 on the corresponding side through a hinge shaft. During work, the feed nozzle drives the cylinder 541 to move telescopically, and then drives the first jaw support 533 and the second jaw support 534 to rotate around the connecting shaft 532, and the feed nozzle plate 521 and the first jaw support 533 and The second jaw support 534 is fixed, so that the rotation of the first jaw support 533 and the second jaw support 534 drives the filling and feeding nozzle 52 to open and close. The structural arrangement of the first jaw support 533 and the second jaw support 534, on the one hand, makes the overall structure simple, which is convenient for processing and preparation, and on the other hand realizes that the filling feed nozzle is driven by two sets of feed nozzle drive cylinders 541 52 The purpose of opening and closing, the action drive of the filling feed nozzle 52 is simple, in addition, it is also convenient for the installation and setting of the middle jaw mechanism 60, so that the middle jaw mechanism 60 and the filling nozzle mechanism 50 are connected as one, and mutually Independent action makes the overall structure of the device compact and greatly simplifies the required installation space.

Optionally, as shown in FIGS. 2 and 3 , the middle jaw mechanism 60 includes two sets of middle jaws 61 and two sets of middle jaw cylinders 62 . The two sets of intermediate jaws 61 are respectively arranged on both sides of the opening and closing direction of the filling feed nozzle 52, and the two sides of the upper end of each intermediate jaw 61 are respectively connected with the first jaw support 533 and the second jaw support on the corresponding side. 534 hinged. The two sets of middle jaw cylinders 62 are set corresponding to the two sets of middle jaws 61, and one end of each middle jaw cylinder 62 is hinged to the clamping mechanism mounting plate 20, and the opposite end is hinged to the middle of the middle jaw 61 on the corresponding side. . When working, the two middle jaw cylinders 62 move synchronously, and then drive the two middle jaws 61 of the middle jaw mechanism 60 to move closer or farther away. The middle jaw mechanism 60 has a simple structure and setting, and the action process is simple.

In this optional solution, as shown in FIG. 2 and FIG. 9 , the middle jaw 61 includes a jaw body, a collet connected to the lower end of the jaw body, and a connecting support plate supported on the outer wall of the jaw body. Both sides of the upper end of the jaw body are respectively hinged to the lower supports of the first jaw support 533 and the second jaw support 534 through hinge shafts. The lower end of the middle jaw cylinder 62 is hinged with the connecting support plate on the corresponding side through a hinge shaft. The structural setting of the middle jaw 61, on the one hand, makes the structure simple and convenient for processing and preparation, and on the other hand realizes the purpose of synchronously driving the two middle jaws 61 to open or close through the two middle jaw cylinders 62, and simultaneously The filling nozzle mechanism 50 is connected into one body, which makes the overall structure of the device of the present invention compact and greatly simplifies the required installation space.

Optionally, as shown in FIGS. 1 and 4 , the side gripper mechanism 80 includes a bag tearing cylinder 81 slidably connected to the lower surface of the clamping mechanism mounting plate 20 , a mounting support 82 fixed on the bag tearing cylinder 81 , The side jaws 83 fixed on the mounting bracket 82 . The two groups of side gripper mechanisms 80 are relatively close to or relatively far away from the middle of the clamping mechanism mounting plate 20 through the bag pulling cylinder 81 respectively. The side jaws 83 are configured to be opened and closed to clamp the outer side of the opening end of the material bag 70 . When working, through the relative closeness of the bag pulling cylinders 81 on both sides, and then cooperate with the bag opening action of the filling nozzle mechanism 50, the material bag 70 can be opened under the action of the filling nozzle mechanism 50, and at the same time, it can be opened as large as possible without damage. material bag; through the relative distance of the bag pulling cylinder 81 on both sides, it is used to level the opening end of the material bag whose filling is completed and the opening is closed, so that not only the conveying clamping device can accurately clamp the material bag 70, but also can Ensure that the bag mouth of the material bag 70 is smoothly transported to the heat-sealing station for sealing, thereby effectively preventing the material bag from wrinkling, and the material bag is not easy to leak, thereby improving the packaging efficiency and heat-sealing success efficiency; in addition, the bag pulling cylinder 81 Adjust the clamping position of the material bag 70 by the side jaw mechanism 80 to adapt to the clamping operation of the material bag 70 with different widths.

In this optional solution, the side jaws 83 are purchased parts for opening or clamping the material bag 70; or, the side jaws 83 include two opposite jaw bodies, and the middle parts of each jaw body are hinged The shaft is hinged with the mounting support 82, and the upper end of each jaw body is connected to the side jaw cylinder. When the side jaw cylinder telescopically moves, it drives the jaw body to rotate around the hinge axis, and then the side jaws 83 are opened or closed. The setting structure of the side jaws 83 is simple and easy to prepare.

When the bag filling device for automatic packaging machine of the present invention works, first, the bag filling device is in the state where the jaws are released and the filling port is closed. 70 to the closed filling nozzle mechanism 50, at this time the middle jaw mechanism 60 and the side jaw mechanism 80 are opened; then, after the detection device detects that the material bag 70 has reached the position, two sets of side jaw cylinders, two The middle jaw cylinder 62 and two groups of feed nozzle driving cylinders 541 act simultaneously to clamp the material bag 70, and then the two groups of bag pulling cylinders 81 move to pull the material bag mouth to the middle direction, open the bag mouth for material filling, and ensure The material fully enters the material bag 70. At this time, the clamp bag filling device is in the state of clamping the jaws and opening the filling port, as shown in Figure 11; finally, two sets of lifting cylinders 31 act to lower the material bag 70 to the lower conveying On the clamping device, two sets of clamping jaw cylinders 62 and two sets of feed nozzle drive cylinders 541 act simultaneously to close the mouth of the material bag as much as possible; At this time, the clamping bag filling device is in the closed state of clamping the filling mouth with the jaws, as shown in Figure 12; finally, the material bag 70 is transported to the heat sealing station for sealing by the conveying clamping device.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (10)

1. A bag clamping and filling device for a full-automatic packaging machine is characterized by comprising:

the packaging machine comprises a mounting bracket (10) and a clamping mechanism mounting plate (20) which are sequentially arranged from top to bottom in space, wherein the mounting bracket (10) is used for being connected with a rack of the packaging machine, a lifting mechanism (30) and a feed hopper (40) are arranged on the mounting bracket (10), the feed hopper (40) vertically extends downwards after penetrating through the mounting bracket (10), the clamping mechanism mounting plate (20) vertically slides to penetrate through the feed hopper (40), and the lifting end of the lifting mechanism (30) extends downwards and then is connected with the clamping mechanism mounting plate (20);

the middle part of the clamping mechanism mounting plate (20) is provided with a material filling nozzle mechanism (50) and a middle clamping jaw mechanism (60), the material filling nozzle mechanism (50) is vertically arranged, the upper end of the material filling nozzle mechanism (50) is communicated with the feed hopper (40), the middle clamping jaw mechanism (60) is arranged outside the material filling nozzle mechanism (50) in a wrapping mode, the middle clamping jaw mechanism (60) and the material filling nozzle mechanism (50) are in a matched action mode, two sides of an opening of the material bag (70) are clamped in the filling and blanking process of the material bag (70) when the material filling nozzle mechanism (50) is opened, and the opening of the material bag (70) is clamped and closed when the lifting mechanism (30) descends to enable the material bag (70) to fall on the conveying and clamping device after filling is finished;

and a group of side clamping jaw mechanisms (80) which are arranged in a relative sliding manner are respectively arranged on two sides of the clamping mechanism mounting plate (20) and are used for matching and clamping two sides of the opening end of the material bag (70) in the process of opening, filling and blanking the material bag (70) and pulling the material bag (70) towards two sides when the material bag (70) falls onto the conveying and clamping device after filling is finished so as to pull the opening end of the material bag (70) flat.

2. The pouch filling apparatus for a full automatic packing machine according to claim 1,

the lifting mechanism (30) comprises two groups of lifting cylinders (31), the feed hopper (40) is positioned in the middle of the mounting bracket (10), and the two groups of lifting cylinders (31) are symmetrically arranged on two sides of the feed hopper (40);

every group goes up and down on cylinder (31) is fixed in installing support (10), and the drive end wears to establish installing support (10) and vertical downwardly extending back fixed connection fixture mounting panel (20).

3. The pouch filling apparatus for a full automatic packing machine according to claim 1,

the filling nozzle mechanism (50) comprises a hollow tubular blanking pipe (51), a filling feeding nozzle (52) arranged in an opening and closing manner, a bracket assembly (53) playing a role of connecting and supporting, and a feeding nozzle driving assembly (54) used for driving the filling feeding nozzle (52) to move in an opening and closing manner;

the blanking pipe (51) is vertically fixed on the clamping mechanism mounting plate (20) and is sleeved outside the feed hopper (40) in a sliding manner;

the filling feeding nozzle (52) is vertically arranged in a hollow manner and sleeved outside the blanking pipe (51);

the support structure is respectively connected with the clamping mechanism mounting plate (20) and the filling feeding nozzle (52);

the feeding nozzle driving assembly (54) is connected between the clamping mechanism mounting plate (20) and the support assembly (53) and is used for driving the support assembly (53) to act so as to drive the filling feeding nozzle (52) to open the opening of the feeding bag or clamp the opening of the closed material bag (70) inwards.

4. The pouch filling apparatus for a full automatic packing machine according to claim 3, wherein,

the filling feed nozzle (52) comprises two oppositely arranged feed nozzle plates (521);

the upper ends of the two feeding nozzle plates (521) are sleeved on the outer circle of the blanking pipe (51) in a sliding mode, the lower ends of the two feeding nozzle plates (521) are relatively separated, so that the material bag can be opened, and the two sides of the opening of the material bag can be clamped respectively by matching with the middle clamping jaw mechanism (60).

5. The pouch filling apparatus for a full automatic packing machine according to claim 4, wherein,

each feeding nozzle plate (521) comprises two nozzle plates which are oppositely arranged at intervals, a mounting plate which is vertically connected between the two nozzle plates, and a positioning strip which is fixedly connected to the outer wall surface of the lower end of the mounting plate;

the mouth-shaped plate is a square plate, and the middle part of one side of the mouth-shaped plate is gradually inwards concave and inclined towards the other side to form a gap, so that the two feeding mouth plates (521) are matched to form a mouth-shaped structure with the upper part being an installation channel and the lower part gradually opening outwards;

the connecting plate is fixed with the bracket component (53);

the positioning strip is used for positioning when in contact with the middle clamping jaw mechanism (60).

6. The pouch filling apparatus for a full automatic packing machine according to claim 4, wherein,

the bracket assembly (53) comprises a supporting and fixing plate (531), two connecting rotating shafts (532), two groups of first clamping jaw supports (533) and two groups of second clamping jaw supports (534) which are respectively arranged at two side ends of the filling and feeding nozzle (52);

the two supporting and fixing plates (531) are vertically arranged, the upper ends of the two supporting and fixing plates are respectively fixed with the clamping mechanism mounting plate (20), the two connecting rotating shafts (532) are arranged in parallel, and the two ends of each connecting rotating shaft (532) are respectively and vertically connected with the lower ends of the two supporting and fixing plates (531);

two sets of first clamping jaw support (533) are connected respectively in the both sides of filling feed mouth (52) direction of opening and shutting, and two sets of second clamping jaw support (534) also are connected respectively in the both sides of filling feed mouth (52) direction of opening and shutting to first clamping jaw support (533) and second clamping jaw support (534) of filling feed mouth (52) both sides correspond the setting, and the upper end rotation of each first clamping jaw support (533) and second clamping jaw support (534) is installed on the connection pivot (532) of corresponding side.

7. The pouch filling apparatus for a full automatic packing machine according to claim 6,

the first clamping jaw support (533) and the second clamping jaw support (534) respectively comprise a first connecting plate fixed with the outer side wall of the feeding nozzle plate (521), a second connecting plate vertically fixed with the first connecting plate, and an upper support tube vertically penetrating through the upper end of the second connecting plate;

the first clamping jaw support (533) also comprises a lower supporting cylinder vertically penetrating through the lower end of the second connecting plate;

the second clamping jaw support (534) also comprises an installation support plate arranged perpendicular to the lower end of the second connecting plate, a lower support tube arranged perpendicularly to penetrate through one end of the installation support plate, and an installation hole perpendicularly to penetrate through the other end of the installation support plate;

the feeding nozzle driving assembly (54) comprises two groups of feeding nozzle driving cylinders (541) which are respectively arranged on two sides of the filling feeding nozzle (52) in the opening and closing direction, one end of each group of feeding nozzle driving cylinders (541) is hinged with the clamping mechanism mounting plate (20), and the other opposite end of each group of feeding nozzle driving cylinders is hinged with the mounting hole of the second clamping jaw support (534) on the corresponding side through a hinge shaft.

8. The pouch filling apparatus for a full automatic packing machine according to claim 7,

the middle clamping jaw mechanism (60) comprises two groups of middle clamping jaws (61) and two groups of middle clamping jaw cylinders (62);

the two groups of middle clamping jaws (61) are respectively arranged at two sides of the opening and closing direction of the filling feeding nozzle (52), and two sides of the upper end of each middle clamping jaw (61) are respectively hinged with a first clamping jaw support (533) and a second clamping jaw support (534) at the corresponding side;

two sets of middle clamping jaw cylinders (62) correspond two sets of middle clamping jaws (61) and set up, and the one end of each middle clamping jaw cylinder (62) is articulated with fixture mounting panel (20), and its opposite other end is articulated with the middle part that corresponds middle clamping jaw (61) of side.

9. The pouch filling apparatus for a full automatic packing machine according to claim 8, wherein,

the middle clamping jaw (61) comprises a clamping jaw body, a clamping head connected to the lower end of the clamping jaw body and a connecting support plate supported on the outer side wall of the clamping jaw body;

two sides of the upper end of the clamping jaw body are respectively hinged with lower barrels of a first clamping jaw support (533) and a second clamping jaw support (534) through hinge shafts;

the lower end of the middle clamping jaw cylinder (62) is hinged with the connecting support plate on the corresponding side through a hinge shaft.

10. The pouch clamping and filling device for a full automatic packaging machine according to claim 1,

the side clamping jaw mechanism (80) comprises a bag pulling cylinder (81) connected to the lower surface of the clamping mechanism mounting plate (20) in a sliding mode, a mounting support (82) fixed on the bag pulling cylinder (81), and a side clamping jaw (83) fixed on the mounting support (82);

the two groups of side clamping jaw mechanisms (80) are relatively close to or relatively far away from the middle of the clamping mechanism mounting plate (20) through a bag pulling cylinder (81);

the side clamping jaws (83) are arranged in an opening and closing manner to clamp the outer side of the opening end of the material bag (70).

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