CN216709866U - Width adjusting mechanism, bagging assembly with same and packaging machine - Google Patents

Abstract

The utility model provides a width adjusting mechanism, a bagging assembly with the same and a packaging machine, relates to the field of bag feeding type packaging machines, and solves the problems of complex structure, inconvenience in maintenance and low efficiency of the existing packaging machine. The bagging assembly is provided with a width adjusting mechanism, a bag opening mechanism, a discharging mechanism and a sealing mechanism to sequentially clamp, open, charge and seal the packaging bags. The packaging machine sucks the packaging bags through the bag supply assembly to feed the bag supply assembly, and the bag supply assembly transfers the packaging bags from the transfer station to the clamping station and gives the packaging bags to the bag filling assembly to complete the processes of clamping, opening, charging and sealing the packaging bags. The width adjusting mechanism is compact in structure, simple and convenient to maintain, all components of the packaging machine are integrated in one unit, the structure is compact, time among all working procedures can be coordinated, and not only can the completeness of the working procedures be guaranteed, but also the packaging speed can be improved.

Description

Width adjusting mechanism, bagging assembly with same and packaging machine

Technical Field

The utility model relates to the field of bag feeding type packaging machines, in particular to a width adjusting mechanism, a bag packaging assembly with the same and a packaging machine.

Background

At present, the small bag packaged food is deeply inserted into thousands of households and becomes an important industry influencing the life of common people. In a production facility for packaging food in small bags, a bag-feeding type packaging machine is a relatively common packaging facility. The existing bag feeding type packaging machine is limited by a process structure, has a complex structure and large occupied space, and particularly, equipment positioned at a bagging station is more complex, so that the occupied space is large and the maintenance is inconvenient.

In addition, the existing bag-feeding type packaging machine generally adopts a rotating disc type, the rotating disc type is to disassemble a complete packaging process into a plurality of steps, each step is provided with a station around a rotating disc, the rotating disc rotates to gradually complete the product of the previous station to the next station, all the stations are synchronously performed to realize the continuity and the efficiency of the process, but all the stations of the rotating disc type packaging machine are distributed on one rotating disc and simultaneously rotate, the occupied time of all the stations is the same and is determined by the station consuming the longest time, when the time required by a certain station is longer, the whole time is prolonged, the whole efficiency is not high, and meanwhile, the rotating disc type packaging machine is complex in structure and not compact enough.

SUMMERY OF THE UTILITY MODEL

The utility model aims to design a width adjusting mechanism, a bagging assembly with the same and a packaging machine, so that the structure of the width adjusting mechanism is more compact, simpler and convenient to maintain, all assemblies on the packaging machine are integrated in one unit, the structure is compact, the time between all working procedures can be coordinated, the integrity of the working procedures can be ensured, and the packaging speed can be improved.

The utility model is realized by the following technical scheme:

the utility model provides a width adjusting mechanism, which comprises a width adjusting mechanism mounting plate, a driving belt wheel, a driven belt wheel, a belt and a clamping device, wherein the driving belt wheel is arranged on the driving belt wheel;

the wheel shafts of the driving belt wheel and the driven belt wheel are parallel and can be rotatably connected to the width adjusting mechanism mounting plate, the driving belt wheel is connected with a driving device, the belt is connected with the driving belt wheel and the driven belt wheel to form a belt transmission structure, and the rotation directions of the driving belt wheel and the driven belt wheel are the same when the belt transmission structure executes actions;

the clamping device is used for clamping the packaging bag, and the forward edge and the reverse edge of the belt are respectively and fixedly connected with one clamping device.

When the structure is arranged, the two clamping devices are respectively fixed on the forward edge and the reverse edge of the belt, and when the belt transmission structure executes actions, the two clamping devices can synchronously move and complete the distance adjustment. The width adjusting mechanism is simple and compact in structure by adopting the belt transmission structure as the driving of the clamping device, and meanwhile, the maintenance of the belt transmission structure is more convenient.

In order to further better implement the utility model, the following arrangement structure is particularly adopted: the belt transmission structure is a synchronous belt transmission structure.

When the structure is arranged, the synchronous belt transmission structure is adopted as the driving of the clamping device, so that the clamping device can be adjusted more accurately and quickly.

In order to further better implement the utility model, the following arrangement structure is particularly adopted: the clamping device comprises a clamping jaw, a clamping jaw air cylinder and a clamping jaw arm;

the clamping jaw air cylinder is arranged as a rotary clamping air cylinder and is connected to the clamping jaw arm;

the clamping jaw is connected with the end of a piston rod of the clamping jaw cylinder to serve as a swing arm;

the tail end of the clamping jaw arm is fixedly connected with the belt, and the head end of the clamping jaw arm is connected with a pressing plate which is used for being in clamping fit with the clamping jaw.

When the structure is adopted, the clamping jaw can be turned over and stretched out and recovered at one time through the rotary clamping cylinder, and the structure of the clamping device can be further simplified.

In order to further better implement the utility model, the following arrangement structure is particularly adopted: the width adjusting mechanism mounting plate is connected with a linear type clamping jaw arm guide rail, the clamping devices are arranged along the guide direction of the clamping jaw arm guide rail in sequence, and the clamping jaw arms of the clamping devices are connected with the clamping jaw arm guide rail through a sliding block respectively.

When the structure is adopted, the clamping device is arranged on the clamping jaw arm guide rail, so that the movement precision and stability of the clamping device can be improved.

In order to further better implement the utility model, the following arrangement structure is particularly adopted: the lifting device and the supporting plate are also included;

the width adjusting mechanism mounting plate is movably connected to the support plate;

one end of the jacking device is fixedly connected with the supporting plate, the other end of the jacking device is fixedly connected with the width adjusting mechanism mounting plate, and the jacking device is used for driving the width adjusting mechanism mounting plate to move in a direction perpendicular to the moving direction of the clamping device and in a direction perpendicular to the driving pulley wheel shaft.

The utility model also provides a bagging assembly which comprises a bag opening mechanism, a feeding mechanism, a sealing mechanism and the width adjusting mechanism;

the width adjusting mechanism is used for clamping two sides of the bag opening of the packaging bag through the two clamping devices, and the jacking device is used for driving the mounting plate of the width adjusting mechanism to drive the clamping devices to move between the clamping station and the sealing station;

the bag opening mechanism is connected to the supporting plate and used for opening a bag opening of a packaging bag clamped by the width adjusting mechanism and positioned at the clamping station;

the feeding mechanism is connected to the supporting plate and used for feeding materials into the packaging bag with the bag opening opened by the bag opening mechanism;

the sealing mechanism is connected with the supporting plate and used for sealing a packaging bag opening clamped by the clamping device and positioned at the sealing station.

In order to further better implement the utility model, the following arrangement structure is particularly adopted: the bag opening mechanism comprises two bag opening suckers and a bag opening telescopic device, wherein the two bag opening suckers and the two bag opening telescopic devices are oppositely arranged, and the bag opening suckers are close to or far away from the front side and the back side of the packaging bag clamped by the clamping device.

In order to further better implement the utility model, the following arrangement structure is adopted in particular: the sealing mechanism comprises two sealing clamps and a sealing clamp expansion device used for driving the two sealing clamps to mutually approach and abut against or keep away from each other.

In order to further better implement the utility model, the following arrangement structure is particularly adopted: the feeding mechanism comprises a hopper, a hopper lifting device, a hopper baffle, a limiting column and a baffle plate;

the hopper is characterized in that the discharge port of the hopper is hinged with the near ends of two hopper baffles which are arranged in a split manner, the far ends of the hopper baffles extend along the discharge direction of the hopper, and the positions of the hopper baffles, which are positioned outside the hinged point, are connected with limit columns;

the hopper lifting device is connected with the hopper and used for driving the hopper baffle to enter or exit the packaging bag opening clamped by the clamping device;

hopper elevating gear is connected with the separation blade, the separation blade set up in spacing post is got towards the clamp and is got on the route that the station removed, hopper elevating gear drive the hopper baffle gets into by the wrapping bag sack in-process of clamping device centre gripping, spacing post can the butt in the separation blade is used for the drive the hopper baffle is opened with its pin joint outside upset and is used for strutting it from the wrapping bag inboard.

When adopting above-mentioned structure that sets up, when the hopper descends to a take the altitude, the separation blade can stop spacing post on the hopper baffle and continue downwards, forms lever effect between the hinge point that makes the hopper baffle and the spacing post, and then makes the hopper baffle open and prop the wrapping bag with the wrapping bag from the wrapping bag inside and open more fully, avoids the material to make dirty sack or material to leak and spills, also can adjust the degree of opening that the hopper baffle was come to the descending height of hopper through hopper elevating gear simultaneously.

In order to further better implement the utility model, the following arrangement structure is particularly adopted: the hopper baffle is arranged to wrap the curved arc-shaped panel of the hopper discharge port.

When the structure is arranged, the hopper baffle is arranged to wrap the arc-shaped panel bent at the hopper discharge port can provide comprehensive shielding for the hopper and prevent material leakage.

The utility model also provides a packaging machine, which comprises a base, a bag feeding assembly, a bag supplying assembly and the bagging assembly, wherein the bag feeding assembly, the bag supplying assembly and the bagging assembly are connected to the base;

the bag supply assembly comprises a support for supporting the packaging bag, a bag supply adsorption structure for sucking the packaging bag from the support, a bag supply expansion device for driving the bag supply adsorption structure to extend or retract, and a turnover mechanism for driving the bag supply adsorption structure to turn over to a transfer station;

the bag conveying assembly comprises a bag conveying adsorption structure, a bag conveying expansion device and a bag conveying transfer device, wherein the bag conveying adsorption structure is used for sucking a packaging bag from the bag supplying adsorption structure at a transfer station; when the bag conveying adsorption structure is located at the clamping station, the bag conveying expansion device can extend out of the bag conveying adsorption structure to convey the packaging bags adsorbed on the bag conveying adsorption structure into the space between the two clamping devices.

When the structure is arranged, all the components on the packaging machine are integrated in one unit, the structure is compact, the bag feeding component and the bag bagging component are connected through the bag feeding component to transfer the packaging bags, the time among all the processes can be coordinated, and the completeness of the processes can be guaranteed and the packaging speed can be improved.

In order to further better implement the utility model, the following arrangement structure is particularly adopted: the bag feeding adsorption structure, the bag feeding expansion device and the bag feeding transfer device of the bag feeding assembly are respectively arranged as a sucker, an expansion cylinder and a synchronous belt transmission structure;

the bag feeding adsorption structure is connected to a piston rod of the bag feeding expansion device, and a cylinder body of the bag feeding expansion device is fixedly connected with a synchronous belt of the bag feeding conveying device.

Further: the bag feeding and transferring device is provided with a position sensor.

In order to further better implement the utility model, the following arrangement structure is particularly adopted: the support comprises a horizontally arranged bottom plate, a support for supporting the bottom plate, and a front support plate, a rear support plate, a bag placing support guide rail, a limiting rod and a screw rod which are arranged on the top surface of the bottom plate; the bottom end of the support is connected with the base, a hole for a packaging bag to pass through is formed in the middle of the bottom plate, the front support plate and the rear support plate are arranged at the positions of the two opposite ends of the hole in the length direction, linear bag placing support guide rails extending in the width direction of the hole are arranged at the positions of the two opposite ends of the hole in the length direction, the bag placing supports are arranged at the two opposite ends of the hole in the width direction respectively and are connected with the bag placing support guide rails through sliders, the bag placing supports are connected with the lead screws arranged along the width direction of the hole through ball sliding sleeves, the front support plate, the rear support plate and the bag placing supports are connected with the limiting rods arranged vertically, and the support is connected with the bottom plate;

supply bag adsorption structure to set up to the sucking disc, supply bag telescoping device to set up to telescopic cylinder, tilting mechanism includes upset telescopic cylinder and gets a bag cylinder revolving axle, supply bag adsorption structure connect in supply bag telescoping device's piston rod, supply bag telescoping device's cylinder body to connect get a bag cylinder revolving axle, get a bag cylinder revolving axle connect with revolvably in the support, the end that stretches out of getting a bag cylinder revolving axle is connected with along the linking arm that radially sets up, upset telescopic cylinder's piston rod is articulated the free end of linking arm, upset telescopic cylinder body is articulated the base.

The utility model has the following advantages and beneficial effects:

(1) in the width adjusting mechanism, the two clamping devices are respectively fixed on the forward edge and the reverse edge of the belt, and when the belt transmission structure executes action, the two clamping devices can synchronously move and complete the distance adjustment. The width adjusting mechanism is simple and compact in structure by adopting the belt transmission structure as the driving of the clamping device, and meanwhile, the maintenance of the belt transmission structure is more convenient.

(2) In the bagging assembly, when the hopper descends to a certain height, the blocking piece can block the limiting column on the hopper baffle plate to continue to descend, so that a lever effect is formed between the hinged point of the hopper baffle plate and the limiting column, the hopper baffle plate is opened to prop the packaging bags from the inner part of the packaging bags to be fuller, the bag openings are prevented from being dirtied by materials or the materials are prevented from being leaked, and meanwhile, the opening degree of the hopper baffle plate can be adjusted by adjusting the descending height of the hopper through the hopper lifting device.

(3) In the packaging machine, all the components are integrated in one unit, the structure is compact, the bag feeding component and the bag bagging component are connected through the bag feeding component to transfer the packaging bags, the time of all the working procedures can be coordinated, and the completeness of the working procedures can be ensured and the packaging speed can be improved.

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 structural view of a width adjusting mechanism;

FIGS. 2-4 are, in sequence, a front view, a side view and a top view of the width adjustment mechanism;

FIG. 5 is a side view of the bagging assembly;

FIG. 6 is another side schematic view of the bagging assembly;

FIG. 7 is a side view of the bagging assembly;

FIG. 8 shows a side structure of the charging mechanism in combination with the sealing mechanism and the vacuum mechanism;

FIG. 9 shows another side configuration of the charging mechanism in combination with the sealing mechanism and the vacuum mechanism;

FIG. 10 shows the configuration of the hopper closure when closed;

FIG. 11 shows the configuration with the hopper shutter open;

FIG. 12 is a schematic view of the construction of the bag feeding assembly;

FIG. 13 is a schematic view of a construction of a bag supply assembly;

fig. 14 shows a side view of the packaging machine;

figure 15 shows another side schematic view of the packaging machine;

figure 16 shows the packaging machine arrangement with the electronic box and the frame from the view of figure 14;

labeled in the figure as:

01. a bagging assembly; 1. a width adjusting mechanism; 10. a width adjusting mechanism mounting plate; 11. a driving pulley; 12. a passive pulley; 13. a belt; 14. a clamping device; 14a, a clamping jaw; 14b, a clamping jaw cylinder; 14c, gripper arms; 15. A jaw arm guide rail; 16. a jacking device; 17. a support plate;

2. a bag opening mechanism; 21. opening a bag and sucking a disc; 22. a bag opening and retracting device;

3. a feeding mechanism; 31. a hopper; 32. a hopper lifting device; 33. a hopper baffle; 34. supporting the sheet; 35. A limiting column; 36. a baffle plate;

4. a sealing mechanism; 41. a sealing clip; 42. a sealing clip telescoping device; 43. a sealing mechanism mounting plate;

5. a vacuum pumping mechanism; 51. a vacuum pumping telescopic cylinder; 52. vacuumizing a tube;

02. a bag feeding assembly; 021. a bag feeding adsorption structure; 022. a bag feeding expansion device; 023. a bag-feeding and transferring device; 024. a position sensor;

03. a bag supply assembly; 031. a support; 031a, a base plate; 031b, front brace; 031c, a rear support plate; 031d, put the bag support; 031e, put the bag support guide rail; 031f, a stop lever; 031g, lead screw; 031h, support; 032. a bag supply adsorption structure; 033. a bag supply expansion device; 034. a turnover mechanism; 034a, turning over a telescopic cylinder; 034b, rotating shaft of bag taking cylinder;

04. a base;

05. a frame;

06. an electric box.

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 utility model, and not restrictive of the full scope of the utility model. 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.

In the description of the present invention, it is to be noted that, unless otherwise specified, "a plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as appropriate to those of ordinary skill in the art.

Example 1:

a width adjusting mechanism has the characteristics of compact structure, simplicity and convenience in maintenance, and is particularly arranged into the following structures as shown in figures 1-4:

as can be seen from fig. 1 to 4, the width-adjusting mechanism 1 includes a width-adjusting mechanism mounting plate 10, a driving pulley 11, a driven pulley 12, a belt 13, and a clamping device 14.

The width adjusting mechanism mounting plate 10 is vertically placed, the wheel shafts of the driving belt wheel 11 and the driven belt wheel 12 are horizontally arranged and parallel, the wheel shafts of the driving belt wheel 11 and the driven belt wheel 12 are respectively and rotatably connected to the same surface of the width adjusting mechanism mounting plate 10, the driving belt wheel 11 is connected with a driving device, the driving device is preferably a motor, a belt 13 is connected to the driving belt wheel 11 and the driven belt wheel 12 to form a belt transmission structure in an opening transmission form horizontally arranged, the rotating directions of the driving belt wheel 11 and the driven belt wheel 12 are the same when the belt transmission structure performs actions, and an auxiliary wheel is arranged below the driving belt wheel 11 and the driven belt wheel 12. The clamping device 14 is used for clamping the packaging bag, and the clamping device 14 in the embodiment comprises a clamping jaw 14a, a clamping jaw air cylinder 14b and a clamping jaw arm 14c, wherein the clamping jaw air cylinder 14b is particularly a rotary clamping air cylinder. The whole horizontal setting of clamping jaw arm 14c is perpendicular mutually with width adjusting mechanism mounting panel 10, and clamping jaw cylinder 14 b's cylinder body fixed connection is in clamping jaw arm 14 c's top, and the one end fixed connection of clamping jaw 14a is as the swing arm at clamping jaw cylinder 14 b's piston rod end, and clamping jaw arm 14 c's tail end is through taking 13 assorted belt fixed plate fixed connection on the area 13, and clamping jaw arm 14 c's head end is connected with the pressure board that supports of an L shape, and low pressure class is used for carrying out the clamp fit with clamping jaw 14a and uses. Wherein, the positive side and the reverse side of the belt 13 are respectively fixedly connected with a clamping device 14, the whole clamping device 14 is positioned at the inner side of the belt 13, and the clamping points of the two clamping devices 14 are arranged on the same horizontal line. The holding device 14 may be any conventional holding device, as long as it can hold the fed-in bag, in addition to the above-described arrangement.

In this embodiment, the two clamping devices 14 of the width adjusting mechanism are respectively fixed on the forward edge and the reverse edge of the belt 13, and when the belt transmission structure executes the action, the two clamping devices 14 can synchronously act to move close to or away from each other to adjust the distance between the two clamping devices 14, so as to adapt to packaging bags with different widths. Because the belt transmission structure mainly comprises a belt wheel, a belt and a motor, the width adjusting mechanism has a simple and compact structure by adopting the belt transmission structure as the driving of the clamping device 14, and meanwhile, the maintenance of the belt transmission structure is more convenient. In addition, the turning and extending recovery actions of the clamping jaws 14a can be completed at one time through the rotary clamping cylinder, enough feeding width is reserved for the packaging bag when the packaging bag is fed into the inner sides of the clamping jaws 14a, the packaging bag is clamped after being fed in place, the operation is completed without extra two sets of action equipment, and the structure of the clamping device 14 can be further simplified.

Example 2:

the embodiment is further optimized on the basis of the above embodiment, and in order to further better implement the utility model, the following arrangement structure is particularly adopted:

in this embodiment, the belt transmission structure of the width adjusting mechanism 1 is a synchronous belt transmission structure, and therefore, in this embodiment, the driving pulley 11 and the driven pulley 12 are synchronous pulleys, and the belt 13 is a synchronous belt.

In this embodiment, this kind of transfer wide mechanism adopts synchronous belt drive structure as clamping device 14's drive can let clamping device 14's regulation more accurate and quick.

Example 3:

the embodiment is further optimized on the basis of the above embodiment, and in order to further better implement the utility model, the following arrangement structure is particularly adopted:

in this embodiment, the width adjusting mechanism mounting plate 10 of the width adjusting mechanism 1 is connected to a horizontally arranged linear clamping jaw arm guide rail 15, the clamping jaw arm guide rail 15 is located on the same side of the driving pulley 11 and the driven pulley 12 as the width adjusting mechanism mounting plate 10, and meanwhile, the clamping jaw arm guide rail 15 is located on the inner side of the belt 13. The two clamping devices 14 are arranged in sequence in the direction of the guide of the gripper arm guide 15, and the gripper arms 14c of the two clamping devices 14 are each connected to the gripper arm guide 15 via a slide 14 d.

In this embodiment, the width adjusting mechanism can improve the movement accuracy and stability of the clamping device 14 by installing the clamping device 14 on the jaw arm guide rail 15.

Example 4:

the embodiment is further optimized on the basis of the above embodiment, and in order to further better implement the utility model, the following arrangement structure is particularly adopted:

in this embodiment, this kind of width mechanism 1 still includes jacking device 16 and backup pad 17, the telescopic cylinder of vertical setting when jacking device 16 specifically sets up, backup pad 17 specifically sets up the riser parallel with width mechanism mounting panel 10. Two guide rails which are arranged left and right and are vertically arranged are arranged on the surface of the supporting plate 17, and the width adjusting mechanism mounting plate 10 is connected with the guide rails arranged on the supporting plate 17 through installed sliding blocks.

The bottom of the cylinder body of the jacking device 16 is fixedly connected with the base on the supporting plate 17, and the top end of the piston rod of the jacking device 16 is fixedly connected with the bottom of the width adjusting mechanism mounting plate 10.

In use, the jacking device 16 can drive the width-adjusting mechanism mounting plate 10 to move in a direction perpendicular to the moving direction of the clamping device 14 and a direction perpendicular to the wheel axle of the driving pulley 11, so as to meet the requirement of equipment with the capability of station transfer.

Example 5:

the present embodiment further provides a bagging assembly on the basis of the above embodiments, and particularly adopts the following arrangement structure:

as can be seen from fig. 1 to 12, this kind of bagging assembly 01 includes a bag opening mechanism 2, a feeding mechanism 3, a sealing mechanism 4, and the width adjusting mechanism 1 in the above embodiment 4, the width adjusting mechanism 1 is disposed at a position below the feeding mechanism 3, the sealing mechanism 4 is disposed at a position below the feeding mechanism 3 and above the width adjusting mechanism 1, and the bag opening mechanism 2 is disposed at a position below the sealing mechanism 4. The bag opening mechanism 2 is arranged at the clamping station, and the sealing mechanism 4 is arranged at the sealing station.

The width adjusting mechanism 1 is used for respectively clamping two sides of a bag opening of a packaging bag through two clamping devices 14, and the jacking device 16 is used for driving the width adjusting mechanism mounting plate 10 to drive the clamping devices 14 to move between a clamping station and a sealing station. Specifically, as shown in fig. 1 to 7, the bag opening mechanism 2 is connected to the supporting plate 17 and is used for opening the bag opening of the packaging bag clamped by the width adjusting mechanism 1 and located at the clamping station. Specifically, the bag opening mechanism 2 comprises two sucker mounting plates, a bag opening sucker 21 and two bag opening telescopic devices 22, the two sucker mounting plates are parallel to the width adjusting mechanism mounting plate 10, one or two bag opening suckers 21 are mounted on each sucker mounting plate, the two sucker mounting plates are oppositely arranged in the direction perpendicular to the width adjusting mechanism mounting plate 10, the bag opening suckers 21 on the two sucker mounting plates are also arranged in the direction perpendicular to the width adjusting mechanism mounting plate 10, and the bag opening suckers 21 and the clamping points of the clamping devices 14 are basically at the same arrangement height; the bag opening expansion device 22 is provided with an expansion cylinder, one bag opening expansion device 22 is directly fixed on the base of the supporting plate 17, the other bag opening expansion device 22 is fixedly connected to the bottom of the sealing mechanism mounting plate 43 which is arranged at the top of the supporting plate 17 and is horizontally arranged, and the piston rods of the two bag opening expansion devices 22 are respectively and fixedly connected with a sucker mounting plate for driving the two bag opening suckers 21 to be close to or far away from the packaging bag from the front side and the back side of the packaging bag clamped by the clamping device 14.

The feeding mechanism 3 is connected to the supporting plate 17 and is used for feeding the packaging bags with the bag openings opened by the bag opening mechanism 2. Specifically, as shown in fig. 5-11 and 14-16, the feeding mechanism 3 includes a hopper 31 and a hopper lifting device 32, the hopper 31 is a funnel-shaped structure with a large upper opening and a small lower opening, the hopper lifting device 32 is a telescopic cylinder, two sides of the hopper 31 are respectively connected with a piston rod of the hopper lifting device 32 which is vertically arranged, and a cylinder body of the hopper lifting device 32 is fixedly connected to the top of a mounting plate 43 of the sealing mechanism through the mounting plate; the hopper lifting device 32 can drive the hopper 31 to move downwards to pass through a hole formed in the middle of the sealing mechanism mounting plate 43 and move downwards to a bag opening of a packaging bag with an opening opened at the clamping station.

The sealing mechanism 4 is connected to the support plate 17 for sealing the bag mouth of the bag held by the holding device 14 and located at the sealing station. Specifically, as shown in fig. 6 to 9, the sealing mechanism 4 includes two sealing clamps 41, a sealing clamp expansion device 42 for driving the two sealing clamps 41 to approach or move away from each other, and a sealing mechanism mounting plate 43 for mounting the sealing clamp expansion device 42, the sealing clamp 41 is internally provided with a heating rod to keep the surface thereof at a temperature required for sealing, the sealing clamp expansion device 42 is provided as a horizontally arranged expansion cylinder, the cylinder bodies of the two sealing clamp expansion devices 42 are respectively and sequentially arranged in a direction perpendicular to the width adjusting mechanism mounting plate 10 and fixedly connected to the bottom of the sealing mechanism mounting plate 43, and one sealing clamp 41 is fixedly connected to the rod end of a piston rod of one sealing clamp expansion device 42. In use, the sealing clip retracting device 42 can push the sealing clip 41 to move towards or away from the packaging bag clamped by the clamping device 14 from the front and back sides of the packaging bag.

Example 6:

the embodiment is further optimized on the basis of the above embodiment, and in order to further better implement the utility model, the following arrangement structure is particularly adopted:

in this embodiment, the feeding mechanism 3 of the bagging assembly 01 further includes a hopper baffle 33, a supporting piece 34, a limiting column 35 and a blocking piece 36. Specifically, as shown in fig. 5-11 and 14-16, two hopper baffles 33 are respectively disposed on two opposite sides of the discharge port of the hopper 31, one end of each hopper baffle 33 close to the discharge port of the hopper 31 is a proximal end, the other end of each hopper baffle 33 far from the discharge port of the hopper 31 is a proximal end, the proximal ends of the two hopper baffles 33 are hinged to the corresponding sides of the discharge port of the hopper 31 through horizontally disposed hinge pins to form two oppositely disposed turning plates, and the distal ends of the hopper baffles 33 extend along the discharge direction of the hopper 31 and gradually close to the central axis of the hopper 31; the hopper baffle 33 is connected with an extended supporting sheet 34 at a position outside the hinge point, the supporting sheet 34 is connected with a limiting column 35 extending downwards, and the limiting column 35 can be set as a screw. Meanwhile, a blocking piece 36 horizontally extending towards the hopper 31 is connected to the bottom of the cylinder body of the hopper lifting device 32, and the blocking piece 36 blocks a path of the limiting column 35 moving towards the clamping station.

During the use, hopper elevating gear 32's piston rod connecting hopper 31 is used for driving hopper baffle 33 to get into or withdraw from the wrapping bag sack by clamping device 14 centre gripping, in the wrapping bag sack in-process that hopper elevating gear 32 drive hopper baffle 33 got into by clamping device 14 centre gripping, the bottom of spacing post 35 can butt in the top of separation blade 36, the hopper at this moment continues down but spacing post 35 is no longer down, consequently along with the hopper continue down then can drive hopper baffle 33 and make two hopper baffles 33 outwards overturn with its pin joint upset towards the outside and open, just so enable two hopper baffles 33 and get into in the wrapping bag after from starting inside and strut it.

In this embodiment, when the hopper descends to a certain height, the blocking piece 36 blocks the limiting column 35 on the hopper baffle 33 from continuing to move downwards, so that a lever effect is formed between the hinge point of the hopper baffle 33 and the limiting column 35, and the hopper baffle 33 is further opened to fully support the packaging bags from the inside of the packaging bags, so that the bag mouths of the packaging bags are prevented from being polluted by materials or the packaging bags are prevented from being leaked, and meanwhile, the opening degree of the hopper baffle 33 can be adjusted by adjusting the descending height of the hopper 31 through the hopper lifting device 32.

As a preferred arrangement scheme of the hopper baffle 33 in this embodiment, in this preferred arrangement scheme, the hopper baffle 33 is configured as an arched plate, specifically, an arched panel wrapping the discharge opening of the hopper 31, and the hopper baffle 33 is configured as an arched panel wrapping the discharge opening of the hopper 31, so that the hopper 31 can be completely shielded and the material leakage can be prevented.

Example 7:

the embodiment is further optimized on the basis of the above embodiment, and in order to further better implement the utility model, the following arrangement structure is particularly adopted:

in this embodiment, as shown in fig. 5-9 and 14-16, the bagging assembly 01 further comprises a vacuum-pumping mechanism 5, and the vacuum-pumping mechanism 5 comprises a vacuum-pumping telescopic cylinder 51 and a vacuum-pumping pipe 52. The vacuumizing pipe 52 is obliquely arranged above the sealing mechanism mounting plate 43, the cylinder body of the vacuumizing telescopic cylinder 51 is fixedly connected to the top of the sealing mechanism mounting plate 43, and the piston rod of the vacuumizing telescopic cylinder 51 is fixedly connected with the vacuumizing pipe 52 through a connecting plate. The vacuumizing telescopic cylinder 51 can drive the vacuumizing pipe 52 to move downwards to penetrate through a hole formed in the sealing mechanism mounting plate 43 and extend into a packaging bag which is positioned at the clamping station and is opened by the bag opening mechanism.

Example 8:

the present embodiment further provides a packaging machine based on the above embodiments, wherein the components on the packaging machine are integrated into one unit, the structure is compact, the time between the processes can be coordinated, the integrity of the processes can be ensured, and the packaging speed can be increased, especially adopting the following arrangement structure:

as can be seen from fig. 14 to 16, the packaging machine comprises a horizontally arranged base 04, a bag feeding assembly 02 connected to the base 04, a bag supply assembly 03 and a bagging assembly 01 in embodiment 5 or 6 or 7.

As can be seen from fig. 13 to 16, the bag supply assembly 03 includes a support 031 for supporting the packaging bag, a bag supply absorbing structure 032 for absorbing the packaging bag from the support, a bag supply extending and retracting device 033 for driving the bag supply absorbing structure to extend or retract, and a turnover mechanism 034 for driving the bag supply absorbing structure to turn over to the transfer station.

Specifically, the bracket 031 includes a bottom plate 031a, a support 031h for supporting the bottom plate 031a, a front support plate 031b, a rear support plate 031c, a bag holder 031d, a bag holder guide rail 031e, a limiting rod 031f and a screw rod 031g, which are horizontally arranged. The support 031h is vertical, and its bottom fixed connection is in the top of base 04. The bottom plate 031a has a square hole in the middle for the passage of the packing bag. Preceding extension board 031b and back extension board 031c set up respectively in the length direction's of hole relative both ends position, back extension board 031c fixed connection is at bottom plate 031 a's top surface, wherein be provided with the slotted hole that extends along the length direction of hole on preceding extension board 031b, and the interval between extension board 031b and the back extension board 031c is adjustable before support board 031b passes through the slotted hole to fix on bottom plate 031 a's top surface with this realization. The opposite end positions of the length direction of hole all are provided with the linear type along the width direction extension of hole puts bag support guide 031e, and the opposite both ends of hole width direction are provided with one respectively and put bag support 031d along what hole length direction extended, put bag support 031d and connect on putting bag support guide 031e through the slider. The screw rod 031g sets up and installs the top surface at bottom plate 031a along the width direction of hole, and the one end of screw rod 031g is provided with the handle, puts a bag support 031d and is connected with the screw rod 031g that sets up along the hole width direction through the ball sliding sleeve. Preceding extension board 031b, back extension board 031c and put bag support 031d and all be connected with the gag lever post 031f of vertical setting, and bottom plate 031a is connected to support 031 h. The bag placing supports 031d can adjust the distance between them by rotating the screw rods 031g to be used for adapting and supporting the packaging bags with different widths, and the limiting rods 031f are used for limiting the positions of the packaging bags and providing the function of stacking the packaging bags.

Supply bag adsorption structure 032 to set up to the sucking disc, the sucking disc is fixed on supplying bag sucking disc mounting panel, supplies bag sucking disc mounting panel level to set up in the below position of bottom plate 031a, supplies the vertical setting of bag adsorption structure 032, supplies bag telescoping device 033 to set up to telescopic cylinder, tilting mechanism 034 is including upset telescopic cylinder 034a and get bag cylinder revolving axle 034 b. Supply bag sucking disc mounting panel fixed connection on the piston rod that supplies bag telescoping device 033, the cylinder body middle section position fixed connection that supplies bag telescoping device 033 is in the one end of getting bag cylinder revolving axle 034b, it connects in support 031h to get bag cylinder revolving axle 034b through the bearing rotatable, the one end of getting bag cylinder revolving axle 034b stretches out support 031h and is connected with a linking arm along radial extension in stretching out end tip position, the piston rod of upset telescopic cylinder 034a articulates in the free end of linking arm, the top of upset telescopic cylinder 034a cylinder body articulated base 04.

Specifically, as shown in fig. 12 and 14-16, the bag feeding assembly 02 includes a bag feeding suction structure 021, a bag feeding expansion device 022, and a bag feeding transfer device 023. Send a bag transfer device 023 specifically sets up to install the synchronous belt drive structure of the horizontal to opening drive form on the bag subassembly mounting panel that sends of vertical setting, and driving motor is connected to synchronous belt drive structure's action wheel, and one side of synchronous belt drive structure's action wheel is located the transfer station department, and one side of synchronous belt drive structure's follower is located to press from both sides and gets station department. Send bag transfer device 023 to be used for the drive to supply bag adsorption structure to move between the transfer station and the clamping station. The bag feed adsorption structure 021 is specifically configured as a suction cup for sucking the bag feed adsorption structure 021 of the packaging bag from the bag feed adsorption structure at the transfer station. Send a bag telescoping device 022 specifically to set up to the level and place and send the telescopic cylinder that a bag subassembly mounting panel direction set up along the perpendicular to, send the cylinder body of bag telescoping device 022 to pass through the hold-in range mounting panel to fix on sending the hold-in range of bag transfer device 023, send the piston rod end fixed connection of bag telescoping device 022 to send a bag adsorption structure 021. Send a bag telescoping device 022 to be used for the drive to send a bag adsorption structure to stretch out or withdraw and supply the action of bag subassembly 03 with realizing being close to or keeping away from in the transfer station department, or press from both sides the action that the station department realized being close to or keeping away from clamping device 14, send a bag adsorption structure to be located to press from both sides and get the station when, send a bag telescoping device to stretch out and send a bag adsorption structure to send adsorbed wrapping bag on it into between two clamping device 14.

The bag feeding and transferring device 023 is provided with a position sensor 024, and the transfer station and the clamping station on the bag feeding assembly mounting plate are respectively provided with the position sensor 024 for monitoring whether the bag feeding adsorption structure 021 moves in place.

In this embodiment, each component on the packaging machine is integrated in one unit, the structure is compact, the bag feeding component 03 and the bag packaging component 01 are connected through the bag feeding component 02 to transfer the packaging bags, the time between each process can be coordinated, the integrity of the process can be ensured, and the packaging speed can be improved.

The packaging machine of the utility model is used in production with the electric box 06, and the packaging machine and the electric box 06 are simultaneously arranged on the frame 05. The electric box 06 is provided with a necessary power supply system and a negative pressure system, each sucker, each telescopic cylinder and the vacuum tube 52 are connected with the negative pressure system, each motor is connected with the power supply system, and in addition, the electric box 06 can also be provided with a positive pressure system for injecting gas into the packaging bag through the vacuum tube 52.

The functioning of the various components of the packaging machine will now be described in terms of a specific production process:

before production, the interval between the front supporting plate 031b and the rear supporting plate 031c of the bag supply assembly 03 is adjusted according to the length of the packing bag to be used, then the interval between two bag placing supports 031d is adjusted through the hand lead screw 031g to be matched with the width of the packing bag to be used, then the packing bag is stacked and horizontally placed on the front supporting plate 031b, the rear supporting plate 031c and the peripheral edge of the packing bag supported on the bag placing supports 031d, and the position of the packing bag is limited through the limiting rod 031 f. Then the distance between the two clamping devices of the width adjusting mechanism 1 is initially adjusted according to the width of the used packaging bag.

During production, the packaging machine is started.

Supply bag adsorption structure 032 of bag subassembly 03 to be supplied bag telescoping device 033 to upwards release, with the side contact that is located the wrapping bag of below, supply bag adsorption structure 032 and negative pressure system intercommunication to adsorb the wrapping bag this moment, supply bag telescoping device 033 drive to supply bag adsorption structure 032 to withdraw and will adsorb the wrapping bag that lives and take out from support 031 in the hole that bottom plate 031a has, afterwards, upset telescopic cylinder 034 a's piston rod stretches out the drive and supplies bag adsorption structure 032 to sending the rotatory 90 reachs of bag subassembly 02 and transport the station, absorbent wrapping bag becomes vertical the placing this moment, treat to send the transport of bag subassembly 02.

Send the synchronous belt drive structure operation of bag subassembly 02 will send bag adsorption structure 021 to move to the transfer station and let the sucking disc to the middle part of wrapping bag, send bag telescoping device 022 will send bag adsorption structure 021 to push out towards the wrapping bag that waits to carry and make the intercommunication negative pressure system adsorb the wrapping bag at the contact wrapping bag, later, send bag telescoping device 022 will send bag adsorption structure 021 to withdraw and take out the wrapping bag from supplying bag adsorption structure 032, send the synchronous belt drive structure of bag subassembly 02 to operate once more, will send bag adsorption structure 021 to 01 removal of bagging-off subassembly and getting the station when arriving.

The lifting device 16 of the bagging assembly 01 moves the holding device 14 to a certain height to enable the holding device to be located at the clamping station, the driving belt wheel 11 is driven to rotate and drives the clamping jaws 14a on the two clamping devices 14 to expand to a bag taking width, the clamping jaw air cylinders 14b open the clamping jaws 14a, at the moment, the bag feeding expansion device 022 of the bag feeding assembly 02 pushes the bag feeding adsorption device 021 out of the clamping devices 14 and pushes the packaging bag to be attached to the pressing plates of the clamping jaw arms 14c, and the clamping jaw air cylinders 14b retract the clamping jaws 14a and close the clamping jaws to grasp the edge of the packaging bag. The bag opening expansion device 22 of the bag opening mechanism 2 of the bagging assembly 01 drives the bag opening sucker 21 to extend out to enable the bag opening sucker 21 to be attached to the packaging bag and communicate with the negative pressure system to be adsorbed on the front side and the back side of the packaging bag, the bag opening suckers 21 on the front side and the back side of the packaging bag are simultaneously retracted by the respective bag opening expansion devices 22, and then the driving belt wheel 11 is started again to enable the two clamping devices to be close to and retracted inwards to the filling width, so that the bag opening of the packaging bag is opened.

The hopper lifting device 32 of the feeding mechanism 3 of the bagging assembly 01 is driven to be lowered to the filling height and is located at the clamping position, a discharge hole at the bottom of the hopper extends into a packaging bag, the material falls into the packaging bag, the material is filled, after the material is filled, the hopper lifting device 32 drives the hopper 31 to lift, the hopper 31 is pulled out of the packaging bag, the bag opening suction disc 21 is disconnected from a negative pressure system at the moment, and the driving belt wheel 11 is driven again to expand the two clamping devices 14 to the bag taking width to enable the bag opening of the packaging bag to be closed. Then, the jacking device 16 moves the clamping device 14 upwards to the sealing height and is located at the sealing station, so that the sealing position of the upper edge of the packaging bag is flush with the sealing clamp 41, the electric heating rod is nested in the sealing clamp 41, so that the sealing clamp 41 reaches the temperature required by sealing in advance, and the sealing clamp expansion device 42 pushes the sealing clamp 41 to close, so that the opening of the packaging bag is sealed by thermal fusion.

After sealing, the clamping jaw cylinder 14b drives the clamping jaw 14a to open, the jacking device 16 displaces the clamping device 14 to a position where the bag taking height is located, the sealing clamp expansion device 42 drives the two sealing clamps 41 to open, the packaging bag drops to the discharging sliding plate through a bag opening formed in the packaging machine, and packaging is completed.

When the clamping devices 14 clamp the packaging bags, when the bag opening mechanism opens the bag openings of the packaging bags, the rotation of the driving belt wheel 11 enables the distance between the two clamping devices 14 to be reduced, the packaging bags are helped to be opened quickly, and when the packaging bags are sealed, the rotation of the driving belt wheel 11 enables the distance between the two clamping devices 14 to be enlarged to tension the packaging bags, so that the sealing effect is better.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention.

Claims (11)

1. A width adjusting mechanism is characterized in that: comprises a width adjusting mechanism mounting plate (10), a driving belt wheel (11), a driven belt wheel (12), a belt (13) and a clamping device (14);

the wheel shafts of the driving belt wheel (11) and the driven belt wheel (12) are parallel and can be rotatably connected to the width adjusting mechanism mounting plate (10), the driving belt wheel (11) is connected with a driving device, the belt (13) is connected with the driving belt wheel (11) and the driven belt wheel (12) to form a belt transmission structure, and the rotating directions of the driving belt wheel (11) and the driven belt wheel (12) are the same when the belt transmission structure executes actions;

clamping device (14) are used for the centre gripping wrapping bag, the forward limit of area (13) and reverse limit respectively fixedly connected with one clamping device (14).

2. A width adjustment mechanism as claimed in claim 1, wherein: the belt transmission structure is a synchronous belt transmission structure.

3. A width adjustment mechanism as claimed in claim 1, wherein: the clamping device (14) comprises a clamping jaw (14a), a clamping jaw air cylinder (14b) and a clamping jaw arm (14 c);

the clamping jaw air cylinder (14b) is set to be a rotary clamping air cylinder, and the clamping jaw air cylinder (14b) is connected to the clamping jaw arm (14 c);

the clamping jaw (14a) is connected with the rod end of a piston rod of the clamping jaw cylinder (14b) to serve as a swing arm;

the tail end of the clamping jaw arm (14c) is fixedly connected with the belt (13), and the head end of the clamping jaw arm (14c) is connected with a pressing plate which is used for being in clamping fit with the clamping jaw (14 a).

4. A width adjustment mechanism as claimed in claim 3, wherein: transfer wide mechanism mounting panel (10) and be connected with linear type clamping jaw arm guide rail (15), two clamping device (14) are followed the direction of clamping jaw arm guide rail (15) sets gradually, two clamping device's (14) clamping jaw arm (14c) are connected through a slider (14d) respectively clamping jaw arm guide rail (15).

5. A widening mechanism according to claim 1, 2, 3 or 4, wherein: the device also comprises a jacking device (16) and a supporting plate (17);

the width adjusting mechanism mounting plate (10) is movably connected to the support plate (17);

one end of the jacking device (16) is fixedly connected with the supporting plate (17), the other end of the jacking device (16) is fixedly connected with the width adjusting mechanism mounting plate (10), and the jacking device (16) is used for driving the width adjusting mechanism mounting plate (10) to move in a direction perpendicular to the moving direction of the clamping device (14) and in a direction perpendicular to the wheel axle of the driving belt wheel (11).

6. A bagging assembly, comprising: comprises a bag opening mechanism (2), a feeding mechanism (3), a sealing mechanism (4) and the width adjusting mechanism (1) of claim 5;

the width adjusting mechanism (1) is used for clamping two sides of a bag opening of a packaging bag through the two clamping devices (14), and the jacking device (16) is used for driving the width adjusting mechanism mounting plate (10) to drive the clamping devices (14) to move between a clamping station and a sealing station;

the bag opening mechanism (2) is connected to the supporting plate (17) and used for opening a bag opening of a packaging bag clamped by the width adjusting mechanism (1) and positioned at the clamping station;

the feeding mechanism (3) is connected to the supporting plate (17) and is used for feeding the packaging bags with the bag openings opened by the bag opening mechanism (2);

seal mechanism (4) connect in backup pad (17) for seal by clamping device (14) centre gripping is located the wrapping bag sack that seals the station.

7. A bagging assembly according to claim 6, wherein: the feeding mechanism (3) comprises a hopper (31), a hopper lifting device (32), a hopper baffle (33), a limiting column (35) and a blocking piece (36);

the discharge port of the hopper (31) is hinged with the near ends of two hopper baffles (33) which are arranged in a split manner, the far ends of the hopper baffles (33) extend along the discharge direction of the hopper (31), and the positions of the hopper baffles (33) outside the hinged point are connected with limit columns (35);

the hopper lifting device (32) is connected with the hopper (31) and used for driving the hopper baffle (33) to enter or exit the packaging bag opening clamped by the clamping device (14);

hopper elevating gear (32) are connected with separation blade (36), separation blade (36) set up in on spacing post (35) press from both sides the route of getting the station and removing towards the clamp, hopper elevating gear (32) drive hopper baffle (33) get into by the wrapping bag sack in-process of clamping device (14) centre gripping, spacing post (35) can the butt in separation blade (36) are used for driving hopper baffle (33) are opened with its pin joint outside upset and are used for strutting it from the wrapping bag inboard.

8. A bagging assembly as defined in claim 7, wherein: the hopper baffle (33) is arranged to surround the curved arc-shaped panel of the discharge hole of the hopper (31).

9. A packaging machine characterized by: comprises a base (04) and a bag feeding assembly (02), a bag supply assembly (03) and a bagging assembly (01) according to any one of claims 6 to 8, which are connected to the base (04);

the bag supply assembly (03) comprises a support (031) for supporting the packaging bag, a bag supply adsorption structure (032) for sucking the packaging bag from the support, a bag supply expansion device (033) for driving the bag supply adsorption structure to extend out or retract, and a turnover mechanism (034) for driving the bag supply adsorption structure to turn over to a transfer station;

the bag feeding assembly (02) comprises a bag feeding adsorption structure (021) for sucking the packaging bags from the bag feeding adsorption structure at a transfer station, a bag feeding expansion device (022) for driving the bag feeding adsorption structure to extend or retract, and a bag feeding transfer device (023) for driving the bag feeding adsorption structure to move between the transfer station and a clamping station; when the bag conveying adsorption structure is located at the clamping station, the bag conveying telescopic device can stretch out of the bag conveying adsorption structure to convey the packaging bags adsorbed on the bag conveying adsorption structure into a space between the two clamping devices (14).

10. A packaging machine according to claim 9, wherein: the bag feeding adsorption structure (021), the bag feeding expansion device (022) and the bag feeding transfer device (023) of the bag feeding component (02) are respectively arranged into a sucker, an expansion cylinder and a synchronous belt transmission structure;

send bag adsorption structure (021) connect in send the piston rod of bag telescoping device (022), send the cylinder body of bag telescoping device (022) with send the hold-in range fixed connection of bag transfer device (023).

11. A packaging machine according to claim 9 or 10, wherein: the support (031) comprises a bottom plate (031a) which is horizontally arranged, a support (031h) for supporting the bottom plate (031a), a front support plate (031b) which is arranged on the top surface of the bottom plate (031a), a rear support plate (031c), a bag placing support (031d), a bag placing support guide rail (031e), a limiting rod (031f) and a screw rod (031 g); the bottom end of a support (031h) is connected with the base (04), the middle part of the bottom plate (031a) is provided with a hole for a packaging bag to pass through, the front support plate (031b) and the rear support plate (031c) are arranged at the positions of the two opposite ends of the length direction of the hole, the positions of the two opposite ends of the length direction of the hole are provided with a linear type bag placing support guide rail (031e) extending along the width direction of the hole, the two opposite ends of the width direction of the hole are respectively provided with a bag placing support (031d), the bag placing support (031d) is connected with the bag placing support guide rail (031e) through a sliding block, the bag placing support (031d) is connected with a screw rod (031g) arranged along the width direction of the hole through a ball sliding sleeve, the front support plate (031b), the rear support plate (031c) and the bag placing support (031d) are connected with a vertically arranged limiting rod (031f), the support (031h) is connected with the bottom plate (031 a);

supply bag adsorption structure (032) to set up to the sucking disc, supply bag telescoping device (033) to set up to telescopic cylinder, tilting mechanism (034) including upset telescopic cylinder (034a) and get bag cylinder revolving axle (034b), supply bag adsorption structure (032) connect in supply the piston rod of bag telescoping device (033), the cylinder body that supplies bag telescoping device (033) is connected get bag cylinder revolving axle (034b), get bag cylinder revolving axle (034b) connect with can revolving in support (031h), the end that stretches out of getting bag cylinder revolving axle (034b) is connected with the linking arm along radial setting, the piston rod of upset telescopic cylinder (034a) is articulated the free end of linking arm, upset telescopic cylinder (034a) cylinder body is articulated base (04).

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