CN119551272A - Automatic bagging equipment for plastic particles - Google Patents

Abstract

The invention relates to an automatic bagging device for plastic particles. The automatic packaging machine comprises a bag warehouse mechanism, a bag feeding mechanism, a bag taking mechanism, a bag opening mechanism, a material discharging mechanism, a bag loading manipulator, a vacuum heat sealing mechanism, a bag conveying mechanism and a conveying mechanism, wherein the bag warehouse mechanism is used for storing packaging bags, the bag conveying mechanism is used for conveying the packaging bags, the bag taking mechanism is used for transferring the packaging bags to the bag conveying mechanism, the bag opening mechanism is used for opening a bag opening of the packaging bags, the material discharging mechanism is used for weighing materials with preset weight and filling the materials into the packaging bags through the bag clamping mechanism, the bag loading manipulator can sleeve the packaging bags with the opened bag opening into the bag clamping mechanism to realize material filling operation, the vacuum heat sealing mechanism is used for carrying out vacuum treatment and heat sealing on the packaging bags filled with the materials, and the bag conveying mechanism is used for conveying the packaging bags subjected to vacuum heat sealing. The invention can realize the full-flow automatic operation from the storage, bag taking, bag opening, bagging, weighing and filling and vacuum heat sealing to conveying of the packaging bags, greatly reduces the labor cost and improves the production efficiency.

Description

Automatic bag feeding equipment for plastic particles

Technical Field

The invention relates to the technical field of bagging, in particular to automatic bagging equipment for plastic particles.

Background

Along with the rapid development of industrial automation, an automatic bagging machine gradually becomes core equipment in the industries of feed, chemical industry, grains and the like.

Plastic particles are an important industrial raw material, and packaging requirements of the plastic particles are gradually increased, and meanwhile, requirements of packaging equipment are also gradually increased. The traditional manual bagging mode is low in efficiency and high in cost, and particularly, under the background that the labor cost rises year by year, the requirement on efficient and accurate automatic equipment is urgent. Therefore, the development of automatic bag feeding machines is gradually extended to the direction of subdivision, and dedicated solutions are provided for meeting the specific requirements of different materials and industries. However, these bag feeding machines in the industry are mainly aimed at large-scale and general-purpose demands, and special equipment for the small-sized industry such as plastic particle bag feeding is still a market gap.

Therefore, how to improve the success rate of bagging, make the equipment area smaller and save the cost, can better satisfy the demand of plastic particle industry to automatic packaging equipment, be the problem that needs to solve.

Disclosure of Invention

Therefore, the invention provides automatic bag loading equipment for plastic particles, which can realize full-flow automatic operation from storage, bag taking, bag opening, bagging, weighing and filling and vacuum heat sealing to conveying of packaging bags, greatly reduces labor cost and improves production efficiency.

In order to solve the technical problems, the invention provides automatic bagging equipment for plastic particles, which comprises a frame and a bag arranged on the frame:

The bag warehouse mechanism is used for storing the packaging bags;

the bag conveying mechanism is arranged at one side of the bag warehouse mechanism and is used for receiving and conveying the packaging bags;

The bag taking mechanism is used for transferring the packaging bags in the bag warehouse mechanism to the bag conveying mechanism;

The bag opening mechanism comprises an upper bag opening device and a lower bag opening device which are relatively movable, and the two bag opening devices can respectively fix two side surfaces of the packaging bag at the bag opening position of the bag conveying mechanism, and enable the bag opening of the packaging bag to be opened when the two side surfaces are far away from each other;

the discharging mechanism comprises a bag clamping mechanism and a weighing mechanism above the bag clamping mechanism, wherein the weighing mechanism is connected to the storage bin and is used for weighing materials with preset weight and filling the materials into the packaging bag through the bag clamping mechanism;

the bag feeding mechanical arm is movably arranged between the bag opening mechanism and the bag clamping mechanism and can sleeve the packaging bag with the bag opening opened into the bag clamping mechanism so as to realize material filling operation;

The vacuum heat sealing mechanism is used for carrying out vacuum treatment and heat sealing on the packaging bag filled with the materials;

the packaging bag feeding mechanism is used for transferring the packaging bag of the filling material to the vacuum heat sealing mechanism;

and the conveying mechanism is used for conveying the packaging bags subjected to vacuum heat sealing.

In one embodiment of the invention, the bag warehouse mechanism comprises a bag frame which is connected with the frame in a sliding way and is positioned at the bottom of the bag conveying mechanism, and a Y-axis driving cylinder which is arranged on the bag frame and is connected with the frame, wherein the Y-axis driving cylinder can push or pull the bag frame to the bottom of the bag conveying mechanism along the Y axis, and the bag conveying mechanism extends along the X axis direction.

In one embodiment of the invention, the bag conveying mechanism comprises a horizontal conveying roller mechanism, a chain conveying mechanism or a belt conveying mechanism, wherein a position detection sensor and a bag blocking assembly are arranged at a bag opening position of the bag conveying mechanism, the bag blocking assembly comprises a bag blocking cylinder and a baffle plate which is driven by the bag blocking cylinder and is lifted along a Z axis, and the bag taking mechanism comprises a first sucker assembly which is arranged above the bag warehouse mechanism and is positioned at one side of the head of the bag conveying mechanism, and a first Z axis driving cylinder which drives the first sucker assembly to lift.

In one embodiment of the invention, the upper bag opener and/or the lower bag opener comprises a second sucker assembly and a second Z-axis driving cylinder for driving the second sucker assembly to lift.

In one embodiment of the invention, the bag feeding manipulator is mounted on the frame and positioned above the bag opening mechanism, and comprises a rotary supporting seat, a first opening and closing cylinder, a rotary motor, a bag feeding arm, a rotary shaft and a connecting rod;

One end of the rotating shaft is rotatably connected to the rotating support seat along the Y axis, and the other end of the rotating shaft is connected with the driving end of the rotating motor;

The upper bag arms are symmetrically arranged in the middle of the rotating shaft, each upper bag arm comprises a first end and a second end which are oppositely arranged, the first ends of the upper bag arms can be inserted into the packaging bag, the second ends of the upper bag arms are provided with first rotating parts, and the upper bag arms are rotationally connected to the rotating shaft through the first rotating parts along the direction perpendicular to the axis of the rotating shaft;

The second end of each upper bag arm is also provided with a second rotating part, and the mounting end and the driving end of the first opening and closing cylinder are respectively connected with the two upper bag arms through the second rotating parts;

A second end of one upper bag arm is close to the second rotating part and far away from the first rotating part, and a second end of the other upper bag arm is close to the first rotating part and far away from the second rotating part, and a fourth rotating part is arranged;

Two ends of the connecting rod are respectively arranged on the two bag-loading arms through the third rotating part and the fourth rotating part;

When the rotating shaft rotates to a first position, the first ends of the two upper bag arms can be inserted into the packaging bags with the bag openings opened, and when the rotating shaft rotates to a second position, the two upper bag arms can sleeve the packaging bags with the bag openings opened into the bag clamping mechanism.

In one embodiment of the invention, the weighing mechanism comprises a discharging connecting bin, a discharging opening arranged on the top of the discharging connecting bin, a weighing tank arranged in the discharging connecting bin and a weighing sensor arranged between the weighing tank and the top of the discharging connecting bin, wherein an inlet at the top of the weighing tank is connected with the discharging opening, and an openable intercepting door is arranged at the bottom of the weighing tank;

The bag clamping mechanism comprises a receiving bin, an openable clamping nozzle assembly, an opening and closing driving assembly and a clamping plate assembly, wherein the upper part of the receiving bin is communicated with the material cutting door, the openable clamping nozzle assembly is arranged at the opening of the lower part of the receiving bin, and the opening and closing driving assembly is used for driving the clamping nozzle assembly to open and close;

The clamping mouth assembly comprises two clamping mouth plates which are respectively connected to the opening of the lower part of the receiving bin in a rotating way, the two clamping mouth plates are closed to form a clamping mouth cavity communicated with the receiving bin, and the lower part of the clamping mouth cavity is exposed out of the opening when the clamping mouth cavity is opened;

The clamping plate assembly comprises a mounting beam connected to the receiving bin and limiting plates mounted on the mounting beam and located on one side of each clamping mouth plate, and after the packaging bag is sleeved on the clamping mouth assembly, the clamping mouth assembly can enable the limiting plates to be matched with the clamping mouth plates when being opened so as to clamp the opening edges on two sides of the packaging bag;

the opening and closing driving assembly comprises two second opening and closing air cylinders, and the mounting end and the driving end of each second opening and closing air cylinder are respectively and rotatably connected to the mounting beam and the corresponding outer side end of the mouth clamping plate.

In one embodiment of the present invention, the vacuum heat sealing mechanism includes:

a top seat mounted on the frame;

A base;

the middle plate is positioned between the top seat and the base;

The first Z-axis lifting cylinder is arranged on the top seat, and the driving end of the first Z-axis lifting cylinder is connected with the middle plate;

the second Z-axis lifting cylinder is arranged on the middle plate, and the driving end of the second Z-axis lifting cylinder is connected with the base;

The Z-axis guide assembly comprises a guide post which is connected with the top seat and the middle plate in a sliding manner and is connected with the base;

the heat sealing assembly comprises two heat sealing driving cylinders which are arranged on the base and are oppositely arranged along the X-axis direction, and heat sealing blocks connected with the driving ends of the heat sealing driving cylinders, wherein the two heat sealing blocks can form a first channel after being closed;

The sealing assembly comprises two sealing driving cylinders which are arranged on the base and are oppositely arranged along the X-axis direction, and sealing blocks connected with the driving ends of the sealing driving cylinders, wherein the sealing blocks are positioned on the lower sides of the heat sealing blocks, and the two sealing blocks can form a second channel positioned under the first channel after being closed;

The air extraction assembly comprises an air extraction driving cylinder, an air extraction pipe, an air extraction plate which is communicated with the air extraction pipe and is flat, and a driving block which is arranged between the air extraction pipe and the air extraction plate and is connected with the driving end of the air extraction driving cylinder, wherein the first channel and the second channel are suitable for the insertion of the air extraction plate, the upper end of the air extraction pipe is connected with the footstock in a sliding manner and is externally connected with an air extraction device, and the air extraction driving cylinder is arranged on the base;

The pocket mouth arrangement assembly comprises two slotting tool driving cylinders which are arranged oppositely on the base along the Y-axis direction and slotting tools which are connected with the driving ends of the slotting tool driving cylinders, two smoothing driving cylinders which are arranged oppositely on the base along the Y-axis direction and smoothing assemblies which are connected with the driving ends of the smoothing driving cylinders, wherein the smoothing assemblies comprise smoothing rods which are positioned on two sides of the slotting tools along the X-axis direction and extend along the Z-axis.

In one embodiment of the present invention, the bag feeding mechanism includes:

Installing an underframe;

The movable seat is connected to the mounting underframe in a sliding manner;

The mould device comprises a mould, a mould driving assembly and a vibrating motor, wherein the mould comprises two templates which are oppositely arranged along the X-axis direction, and the mould is used for accommodating and shaping the packaging bags for filling materials; the mould driving assembly is used for driving the two templates to move relatively along the X-axis direction, the mould driving assembly comprises an X-axis mould driving cylinder which is arranged on the movable seat and is respectively connected with the two templates, the two vibrating motors are respectively arranged on the outer sides of the templates, and the vibrating motors are used for enabling the moulds to vibrate in a multidirectional manner so as to enable materials in the packaging bags to be solid;

The Z-axis reciprocating vibration device is arranged between the conveying mechanism and the die device and is arranged right below the discharging mechanism and used for beating the bottom of the packaging bag back and forth during filling;

The Y-axis conveying cylinder is arranged on the installation underframe, the driving end of the Y-axis conveying cylinder is connected with the movable seat, and the Y-axis conveying cylinder can transfer the die device from the position of the Z-axis reciprocating vibration device to the conveying mechanism.

In one embodiment of the present invention, the Z-axis reciprocating vibration apparatus includes:

the bearing support is in butt joint with the conveying mechanism, and a yielding groove is formed in the upper plate body of the bearing support;

The vibrating assembly comprises a mounting base, a vibrating plate, a reciprocating cylinder, a linear guide assembly and a vibrating plate, wherein the reciprocating cylinder is arranged on the mounting base and is connected with the vibrating plate at the driving end, the linear guide assembly is arranged between the vibrating plate and the mounting base, and the vibrating plate can vibrate reciprocally along the Z axis through the abdicating groove.

In one embodiment of the invention, the conveying mechanism extends along the Y-axis direction and comprises a horizontal conveying roller mechanism, a chain conveying mechanism or a belt conveying mechanism, the die is provided with a cuboid space for accommodating the packaging bags for filling materials, and two sides of the conveying mechanism along the X-axis direction are provided with spacing guide plates with adjustable spacing.

Compared with the prior art, the technical scheme of the invention has the following advantages:

The automatic bag feeding equipment for plastic particles provided by the invention realizes full-flow automatic operation from storage, bag taking, bag opening, bagging, weighing and filling and vacuum heat sealing to conveying of the packaging bags, has high bag feeding success rate, is obviously superior to the traditional manual bag feeding mode, greatly improves the production efficiency and greatly reduces the labor cost. In addition, the equipment design is compact, and the integration level is high for equipment whole area is littleer, is fit for various production environment, is particularly suitable for the limited workshop in space.

The bag warehouse mechanism of the automatic bag loading equipment is provided with the sliding bag frame, and the bag frame is pushed out or pulled back by the Y-axis driving cylinder, so that the efficient storage and taking of the packaging bag are realized. The structure can flexibly adjust the storage position, reduce the interference during bag taking and ensure the smoothness of bag taking operation. The space utilization rate is optimized, seamless butt joint of the bag warehouse mechanism and other components is ensured, and a foundation is laid for improving the overall operation efficiency.

The bag conveying mechanism of the automatic bag feeding equipment adopts a horizontal conveying roller, a chain or a belt conveying mechanism, so that the packaging bag can be quickly and stably conveyed to a bag opening position. Meanwhile, the combination of the position detection sensor and the bag blocking assembly can accurately control the stay position of the bag, so that errors are avoided. The success rate of the bag feeding is obviously improved by more than 99 percent, the conveying is stable and reliable, and the risk of damaging the bag is reduced.

This get bagging apparatus's of automatic bagging apparatus gets bagging apparatus and utilizes first sucking disc subassembly and drive cylinder to get the bag from the bag storehouse accurately, ensures only to get a bag at every turn, avoids many bags to superpose or the bag damage problem. The precision and stability of bag taking are improved, and stable input is provided for subsequent bag feeding and opening operations.

The bag opener of the automatic bag feeding device is matched with the driving cylinder through the second sucker component, the negative pressure adsorbs two sides of the packaging bag and then is far away, and the bag opening is opened. The bag opening action is stable and reliable, the opening of the bag opening can be realized without complex mechanical parts, and the equipment maintenance cost is greatly reduced.

The discharging mechanism of the automatic bagging equipment realizes accurate weighing and filling through the high-precision weighing sensor and the bag clamping mechanism. The weighing error is controlled to be +/-25 g, so that the high-precision requirement is met. Ensures the consistent weight of each bag of plastic particles, improves the packaging quality and meets the requirements of the market on high-precision packaging.

The bag feeding manipulator of the automatic bag feeding equipment adopts a servo motor to drive the rotating shaft and the bag feeding arm, the positioning precision is up to +/-0.036 degrees, and the high-precision action of the manipulator is ensured. The manipulator flexible sleeve bag is suitable for packaging bags with different sizes and materials. The accuracy and the speed of the bag feeding action are improved, and the problem of shutdown caused by dislocation of the bag is avoided.

The vacuum heat sealing mechanism of the automatic bag feeding equipment integrates vacuum and heat sealing functions, is provided with a bag opening arrangement assembly, and ensures that the bag opening is smooth and attractive after vacuumizing. Realize high-quality sealed effect, promote wrapping bag appearance quality simultaneously, strengthen market competition.

The bag feeding mechanism of the automatic bag feeding equipment not only conveys the filled packaging bags to the vacuum heat sealing mechanism, but also optimizes the shape of the packaging bags and the compactness of the content by using a die and a vibration device. The bag keeps a cuboid shape, is convenient for subsequent transportation and storage, and the material is densified to improve the packaging quality.

The conveying mechanism of the automatic bag feeding equipment adopts various conveying modes (such as a chain, a belt and the like), has strong adaptability, and is provided with a limiting plate to ensure that the bag does not deviate. The conveying process is stable and efficient, and the nondestructive conveying of the finished bags to the next working procedure is ensured.

The whole automatic bagging equipment is managed by a PLC control system, has the functions of real-time monitoring and fault alarming, and ensures the efficient operation of the equipment. Realize full flow automatic operation, reduce human intervention, improve production line stability and continuity.

Drawings

In order that the invention may be more readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings.

FIG. 1 is a schematic view showing the overall structure of one side of the automatic bagging apparatus for plastic particles of the present invention.

Fig. 2 is a schematic view showing the overall structure of the other side of the automatic bagging apparatus for plastic particles according to the present invention.

Fig. 3 is a schematic diagram of the composition structure of the bag feeding mechanism and the bag taking mechanism of the invention.

Fig. 4 is a schematic diagram of the composition structure of the bag opening mechanism and the bag feeding mechanism of the present invention.

Fig. 5 is a schematic diagram of the composition structure of the bag loading manipulator of the present invention.

Fig. 6 is a schematic structural view of the discharging mechanism of the present invention.

FIG. 7 is a schematic view of the pouch clip mechanism of the present invention.

FIG. 8 is a schematic view of the weighing mechanism of the present invention.

Fig. 9 is a schematic structural view of the vacuum heat-sealing mechanism of the present invention.

FIG. 10 is a schematic view of the constitution of the vacuum heat-sealing mechanism of the present invention.

FIG. 11 is a schematic view of a part of the structure of the vacuum heat-sealing mechanism of the present invention.

Fig. 12 is a schematic diagram of the structure of the conveying mechanism and the conveying mechanism of the present invention.

Fig. 13 is a schematic diagram of the composition structure of the bag feeding mechanism of the present invention.

Fig. 14 is a schematic view of the constitution of the Z-axis reciprocating vibration apparatus of the present invention.

Description of the specification reference numerals:

100. 110, packaging bag;

1. The bag warehouse mechanism, the bag frame, the cylinder driven by the Y axis and the bag frame;

2. the bag feeding mechanism comprises a bag blocking cylinder, a bag feeding mechanism, a bag blocking cylinder and a baffle;

3. a bag taking mechanism; 31, a first sucker assembly, 32, a first Z-axis driving cylinder;

4. The bag opening mechanism comprises a 41a upper bag opener, a 41b lower bag opener, a 411 second sucker assembly and a 412 second Z-axis driving cylinder;

5. The automatic feeding device comprises a discharging mechanism, a bag clamping mechanism, 511, a receiving bin, 512, a clamping nozzle assembly, 512a and a clamping nozzle plate, 513, an opening and closing driving assembly, 513a and a second opening and closing cylinder, 514, a clamping plate assembly, 514a, a limiting plate, 52, a weighing mechanism, 521, a discharging connecting bin, 522, a discharging opening, 523, a weighing tank, 524, a weighing sensor, 525 and a cutting gate;

6. the bag feeding mechanical arm, 61, a rotary supporting seat, 62, a first opening and closing cylinder, 63, a rotary motor, 64, a bag feeding arm, 641, a first rotating part, 642, a second rotating part, 643, a third rotating part, 644, a fourth rotating part, 65, a rotary shaft, 66 and a connecting rod;

7. vacuum heat sealing mechanism, 7a, top seat, 7b, base, 7c, middle plate, 71, first Z-axis lifting cylinder, 72, second Z-axis lifting cylinder, 73, Z-axis guiding component, 74, heat sealing component, 741, heat sealing driving cylinder, 742, heat sealing block, 743, first channel, 75, sealing component, 751, sealing driving cylinder, 752, sealing block, 753, second channel, 76, air pumping component, 761, air pumping driving cylinder, 762, air pumping pipe, 763, air pumping plate, 764, driving block, 77, pocket sorting component, 771, inserting knife driving cylinder, 772, inserting knife, 773, smoothing driving cylinder, 774, smoothing rod;

8. The device comprises a bag feeding mechanism, 81, a mounting underframe, 82, a movable seat, 83, a die device, 831, a die, 831a and a template, 832 and an X-axis die driving cylinder, 833, a vibrating motor, 84 and a Z-axis reciprocating vibrating device, 841, a supporting bracket, 842, a mounting base, 843, a vibrating plate, 844, a reciprocating cylinder, 845, a linear guide component and 85 and a Y-axis conveying cylinder;

9. 91, limiting guide plates;

10. an electrical integrated cabinet.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the invention and practice it.

In the present invention, if directions (up, down, left, right, front and rear) are described, they are merely for convenience of description of the technical solution of the present invention, and do not indicate or imply that the technical features must be in a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the present invention, "a plurality of" means one or more, and "a plurality of" means two or more, and "greater than", "less than", "exceeding", etc. are understood to not include the present number, and "above", "below", "within", etc. are understood to include the present number. In the description of the present invention, the description of "first" and "second" if any is used solely for the purpose of distinguishing between technical features and not necessarily for the purpose of indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the present invention, unless explicitly defined otherwise, terms such as "providing," "mounting," "connecting," and the like should be construed broadly, and may, for example, be directly connected or indirectly connected through an intermediate medium, or may be fixedly connected or may be detachably connected or may be integrally formed, or may be mechanically connected or may be electrically connected or may be capable of communicating with each other, or may be internal to two elements or may be in interaction with each other. The specific meaning of the words in the invention can be reasonably determined by a person skilled in the art in combination with the specific content of the technical solution.

Referring to fig. 1 and 2, an automatic bagging apparatus for plastic particles according to the present invention includes a frame 100 and a bag-loading device provided on the frame 100:

a bag magazine mechanism 1 for storing the bags 110;

A bag feeding mechanism 2 arranged at one side of the bag storing mechanism 1 and used for receiving and conveying the packaging bags 110;

A bag taking mechanism 3 for transferring the packaging bags 110 in the bag magazine mechanism 1 to the bag feeding mechanism 2;

The bag opening mechanism 4 comprises an upper bag opener 41a and a lower bag opener 41b which are relatively movable, and can respectively fix two side surfaces of the packaging bag 110 at the bag opening position of the bag feeding mechanism 2 and open the bag opening of the packaging bag 110 when the two side surfaces are far away from each other;

The discharging mechanism 5 comprises a bag clamping mechanism 51 and a weighing mechanism 52 above the bag clamping mechanism, wherein the weighing mechanism 52 is connected to a storage bin and is used for weighing materials with preset weight and filling the materials into the packaging bag 110 through the bag clamping mechanism 51;

the bag feeding mechanical arm 6 is movably arranged between the bag opening mechanism 4 and the bag clamping mechanism 51, and can sleeve the packaging bag 110 with the bag opening into the bag clamping mechanism 51 so as to realize material filling operation;

A vacuum heat sealing mechanism 7 for vacuum processing and heat sealing the packaging bag 110 filled with the material;

a bag feeding mechanism 8 for transferring the packaging bag 110 of the filling material to the vacuum heat sealing mechanism 7;

And a conveying mechanism 9 for conveying the packaging bag 110 after vacuum heat sealing.

In one embodiment, referring to fig. 3, the bag magazine mechanism 1 includes a bag frame 11 slidably connected to the frame 100 and located at the bottom of the bag feeding mechanism 2, and a Y-axis driving cylinder 12 mounted on the bag frame 11 and connected to the frame 100, where the Y-axis driving cylinder 12 can push or pull the bag frame 11 out or back to the bottom of the bag feeding mechanism 2 along the Y-axis, and the bag feeding mechanism 2 extends along the X-axis direction. When the Y-axis driving cylinder 12 is actuated, the bag frame 11 can be pushed out or pulled back to the bottom of the bag feeding mechanism 2 along the Y-axis, so that the packaging bag 110 is pushed out for the bag taking mechanism 3 to take when needed or pulled back to reduce interference when not needed. The bag frame 11 is flexibly moved outwards or inwards by the Y-axis driving cylinder 12, so that the packaging bags 110 can be orderly placed and flexibly taken out in a limited space. The bag frame 11 can be accurately pushed out when the bag is taken out, so that the bag taking mechanism 3 is prevented from colliding with peripheral components, and the overall operation safety and reliability of the equipment are improved. When the bag frame 11 is recovered, the bag warehouse mechanism 1 is hidden in the equipment to optimize the occupied area of the equipment, and the bag warehouse mechanism can be ejected out to be taken by the bag taking mechanism 3 when needed, so that the reasonable distribution of the space is realized.

Therefore, the bag warehouse mechanism 1 is provided with the sliding bag frame 11, and the bag frame 11 is pushed out or pulled back by the Y-axis driving cylinder 12, so that efficient storage and taking of the packaging bags 110 are realized, the storage position can be flexibly adjusted, interference during bag taking is reduced, and the smoothness of bag taking operation is ensured. The space utilization rate is optimized, seamless butt joint of the bag warehouse mechanism 1 and other components is ensured, and the overall operation efficiency is improved.

In one embodiment, referring to fig. 4, the bag feeding mechanism 2 includes a horizontal conveying roller mechanism, a chain conveying mechanism or a belt conveying mechanism, the bag feeding mechanism 2 is provided with a position detecting sensor (which may be a photoelectric sensor) and a bag blocking assembly at a bag opening position, the bag blocking assembly includes a bag blocking cylinder 21 and a baffle 22 driven by the bag blocking cylinder to lift along a Z axis, and when the packaging bag 110 is conveyed to the bag opening position, the bag blocking cylinder 21 is operated by the position detecting sensor, so that the bag is blocked by the baffle 22, and the bag stops at the position. Meanwhile, the combination of the position detection sensor and the bag blocking assembly can accurately control the bag stopping position, and the packaging bag 110 is directly conveyed to the bag opening position, so that the bag loading success rate is higher and is more than 99% compared with the traditional bag taking method.

In addition, according to the material and capacity requirements of the packaging bag 110, rollers, chains or belts can be selected for conveying, so that the universality and applicability of the equipment are improved.

In one embodiment, referring to fig. 3, the bag picking mechanism 3 includes a first suction cup assembly 31 disposed above the bag magazine mechanism 1 and located on one side of the head of the bag feeding mechanism 2, and a first Z-axis driving cylinder 32 for driving the first suction cup assembly 31 to lift. The first sucker assembly 31 and the driving cylinder thereof are utilized to accurately take bags from the bag warehouse, so that only one bag is ensured to be taken at a time, and the problems of superposition of multiple bags or damage of the bags are avoided. The precision and stability of bag taking are improved, and stable input is provided for subsequent bag feeding and opening operations.

Therefore, the lifting device only depends on one lifting cylinder and a plurality of suckers, has a simple structure, is easy to control and maintain, and is convenient to replace. The cylinder type vertical movement is matched with negative pressure suction, so that the repeated precision and stability of bag taking action are ensured, and stable input is provided for the subsequent bag feeding link.

In one embodiment, referring to fig. 4, the upper bag opener 41a and/or the lower bag opener 41b includes a second suction cup assembly 411 and a second Z-axis driving cylinder 412 driving the second suction cup assembly 411 to be lifted.

When the packaging bag 110 is blocked by the baffle 22, the two second sucker assemblies 411 are respectively moved relatively close to each other to suck two sides of the bag opening by negative pressure, are mutually separated from each other, the bag opening is opened, the bag loading manipulator 6 is waited to be inserted into the bag opening, the sucker negative pressure is closed, and the bag is fixed on the manipulator. The bag opening action is stable and reliable,

The opening and closing of the bag mouth can be realized through the simple relative movement of the sucker, and compared with the traditional mechanical clamping jaw or pull rod structure, the fault point is greatly reduced. The two second sucking disc assemblies 411 are independently controlled, the suction force is stable, the action can be accurately synchronous or regulated as required, the bag opening success rate is high, the second sucking disc assemblies 411 and the second Z-axis driving cylinder 412 are standardized components, the replacement is convenient, and the later maintenance workload and the cost are low. .

In one embodiment, referring to fig. 5, the upper bag robot 6 is mounted on the frame 100 and above the bag opening mechanism 4, and the upper bag robot 6 includes a rotation support base 61, a first opening and closing cylinder 62, a rotation motor 63, an upper bag arm 64, a rotation shaft 65, and a connection rod 66;

One end of the rotating shaft 65 is rotatably connected to the rotating support seat 61 along the Y axis, and the other end is connected to the driving end of the rotating motor 63;

Two upper bag arms 64 are symmetrically arranged along the middle of the rotating shaft 65, each upper bag arm 64 comprises a first end and a second end which are oppositely arranged, the first end of each upper bag arm 64 can be inserted into the packaging bag 110, the second end of each upper bag arm 64 is provided with a first rotating part 641, and the upper bag arm 64 is rotationally connected to the rotating shaft 65 along the direction perpendicular to the axis of the rotating shaft 65 through the first rotating part 641;

The second end of each upper bag arm 64 is further provided with a second rotating part 642, and the mounting end and the driving end of the first opening and closing cylinder 62 are respectively connected to the two upper bag arms 64 through the second rotating parts 642;

A third rotating portion 643 is provided at a second end of one of the upper bag arms 64 near the second rotating portion 642 and away from the first rotating portion 641, and a fourth rotating portion 644 is provided at a second end of the other upper bag arm 64 near the first rotating portion 641 and away from the second rotating portion 642;

Two ends of the connecting rod 66 are respectively mounted on the two upper bag arms 64 through the third rotating part 643 and the fourth rotating part 644;

When the rotating shaft 65 rotates to the first position, the first ends of the two upper bag arms 64 can be inserted into the bag 110 with the bag opening, and when the rotating shaft 65 rotates to the second position, the two upper bag arms 64 can sleeve the bag 110 with the bag opening into the bag clamping mechanism 51.

The rotation combines the opening and closing mechanism to make the manipulator suitable for the packaging bags 110 with different sizes and materials, and has high universality, and when the rotating shaft 65 rotates to the first position, the first end (the insertion end) is inserted into the opened bag opening. The first opening and closing cylinder 62 drives the second ends of the two arms to open and close, so that the packaging bag 110 is clamped or released. The cooperation of the connecting rod 66 and the third and fourth rotating parts 644 can ensure synchronization of the movements of the two arms. When the rotating shaft 65 rotates to the second position, the bag feeding mechanical arm 6 accurately sleeves the packaging bag 110 with the opened bag mouth into the bag clamping mechanism 51, so that the subsequent filling operation is realized. The upper bag manipulator 6 is directly positioned between the bag opening mechanism 4 and the bag clamping mechanism 51, and no additional transferring or intermediate transition station is needed, so that the efficiency is improved, and the occupied area is reduced.

The rotating motor 63 specifically adopts a servo motor, and adopts the servo motor to drive the rotating shaft 65 and the bag feeding arm 64, so that the precision and the bag feeding efficiency are improved, the flexible sleeve bag can be realized, and the flexible sleeve bag is suitable for the packaging bags 110 with different sizes and materials. . The positioning accuracy of the control servo motor is +/-1/(2500 x 4), calculated as an angle of +/-360/(2500 x 4) = ± 0.036 degrees, and errors are not accumulated.

In one embodiment, referring to fig. 6 to 8, the weighing mechanism 52 includes a discharge connection bin 521, a discharge opening 522 provided on the top of the discharge connection bin 521, a weighing tank 523 provided in the discharge connection bin 521, and a load cell 524 located between the weighing tank 523 and the top of the discharge connection bin 521, wherein an inlet of the top of the weighing tank 523 is connected to the discharge opening 522, an openable and closable material interception door 525 is provided at the bottom of the weighing tank 523, and the bag clamping mechanism 51 includes a receiving bin 511 with an upper portion communicating with the material interception door 525, an openable and closable clamping nozzle assembly 512 mounted at an opening of the lower portion of the receiving bin 511, an opening and closing driving assembly 513 for driving the clamping nozzle assembly 512 to open and close, and a clamping plate assembly 514 located at one side of the clamping nozzle assembly 512.

Referring to fig. 7, the nozzle assembly 512 includes two nozzle plates 512a rotatably connected to the lower opening of the receiving chamber 511, wherein the two nozzle plates 512a are closed to form a nozzle cavity communicating with the receiving chamber 511, and when opened, the lower part of the nozzle cavity is exposed out of the opening;

the clamping plate assembly 514 comprises a mounting beam connected to the receiving bin 511 and a limiting plate 514a mounted on the mounting beam and located at one side of each of the mouth clamping plates 512a, and after the packaging bag 110 is sleeved on the mouth clamping assembly 512, the mouth clamping assembly 512 can enable the limiting plate 514a and the mouth clamping plate 512a to cooperate when being opened so as to clamp the two side opening edges of the packaging bag 110;

The opening/closing driving assembly 513 includes two second opening/closing cylinders 513a, and a mounting end and a driving end of each second opening/closing cylinder 513a are respectively rotatably connected to the mounting beam and the corresponding outer end of the mouth clamping plate 512 a.

The discharge connection bin 521 can be connected with a production finished product bin.

The bag clamping mechanism 51 is installed below the weighing tank 523, the receiving bin 511 is connected with the stop valve 525, and the clamping nozzle assembly 512 (two clamping nozzle plates 512 a) can be opened or closed, so that a material flow channel is opened or closed. When the mouth clamping assembly 512 is opened, the mouth edge of the packing bag 110 can be clamped by being matched with the limiting plate 514a on one side. The second opening and closing cylinder 513a drives the nozzle plate 512a to rotate, so as to form a nozzle cavity or opening. When the load cell 524 detects that the weight of the material reaches the standard, the material stop valve 525 is opened, and the material is poured into the packaging bag 110 sleeved below. After filling is completed, the stop gate 525 is closed, waiting for the next weighing of the material.

By the arrangement, the weighing tank 523 and the weighing sensor 524 are combined, so that metering with accuracy of +/-25 g or better can be realized, and the weight of each bag of material is ensured to be consistent. The openable stop valve 525 is designed to enable the material discharging process to be stable and controllable, and overshoot or residue is avoided. The clamping mouth and the limiting plate 514a are matched to reliably clamp the edge of the opening of the packaging bag 110, so that no leakage is ensured in the filling process. The discharging connecting bin 521, the weighing tank 523 and the bag clamping mechanism 51 are mutually butted, so that the arrangement is compact and the disassembly, the assembly and the cleaning are easy.

In one embodiment, referring to fig. 9 to 11, the vacuum heat sealing mechanism 7 includes:

A top base 7a mounted on the frame 100;

A base 7b;

an intermediate plate 7c located between the top base 7a and the bottom base 7 b;

a first Z-axis lifting cylinder 71 mounted on the top base 7a and having a driving end connected to the intermediate plate 7 c;

A second Z-axis lifting cylinder 72 mounted on the intermediate plate 7c and having a driving end connected to the base 7 b;

the Z-axis guiding component 73 comprises a guide post which is connected with the top seat 7a and the middle plate 7c in a sliding way and is connected with the base 7b, and the Z-axis guiding component 73 can ensure the accuracy and stability of the up-and-down movement of the middle plate 7c and the base 7 b.

The heat sealing assembly 74 includes two heat sealing driving cylinders 741 installed on the base 7b and arranged oppositely along the X-axis direction, and a heat sealing block 742 connected to the driving end of each heat sealing driving cylinder 741, where the two heat sealing blocks 742 can form a first channel 743 after being closed;

A sealing assembly 75, which comprises two sealing driving cylinders 751 which are arranged along the X-axis direction and are installed on the base 7b in an opposite manner, and sealing blocks 752 connected with the driving ends of the sealing driving cylinders 751, wherein the sealing blocks 752 are positioned on the lower side of the heat sealing blocks 742, and the two sealing blocks 752 can form a second channel 753 positioned under the first channel 743 after being closed;

The air extraction assembly 76 comprises an air extraction driving cylinder 761, an air extraction pipe 762, an air extraction plate 763 which is communicated with the air extraction pipe 762 and is flat, and a driving block 764 which is arranged between the air extraction pipe 762 and the air extraction plate 763 and is connected with the driving end of the air extraction driving cylinder 761, the first channel 743 and the second channel 753 are suitable for inserting the air extraction plate 763, the upper end of the air extraction pipe 762 is connected with the top seat 7a in a sliding manner and is externally connected with an air extraction device, and the air extraction driving cylinder 761 is arranged on the base 7b;

the pocket sorting assembly 77 comprises two slotting tool driving cylinders 771 which are arranged in the Y-axis direction and are arranged oppositely on the base 7b, slotting tools 772 which are connected with the driving ends of the slotting tool driving cylinders 771, two leveling driving cylinders 773 which are arranged in the Y-axis direction and are arranged oppositely on the base 7b, and leveling assemblies which are connected with the driving ends of the leveling driving cylinders 773, wherein the leveling assemblies comprise leveling rods 774 which are arranged on two side surfaces of the slotting tools 772 in the X-axis direction and extend along the Z axis. The two slotting tool driving cylinders 771 respectively drive slotting tools 772 to finish the inside of the bag opening, the two flattening driving cylinders 773 respectively drive flattening components (flattening rods 774) to flatten the outside of the bag opening, and the bag opening is flattened and attractive after finishing.

The vacuum heat sealing mechanism 7 integrates vacuum and heat sealing functions, is provided with a bag opening arrangement assembly 77, can planarize a bag opening in the vacuumizing process, avoids bag opening wrinkles or curls, improves the appearance quality of packaging, and ensures that the bag opening is smooth and attractive after vacuumizing. The sealing effect of high quality is achieved while improving the appearance quality of the packing bag 110. Through the combination of the first Z-axis lifting cylinder 72 and the second Z-axis lifting cylinder 72, flexible adaptation to the heights and the shapes of different packaging bags 110 is realized, and the adjustability of the heat sealing position and the air extraction depth is ensured.

In one embodiment, referring to fig. 12 and 13, the bag feeding mechanism 8 includes:

A mounting chassis 81;

a movable base 82 slidably connected to the mounting chassis 81;

The mold device 83 comprises a mold 831, a mold driving assembly and a vibrating motor 833, wherein the mold 831 comprises two templates 831a which are oppositely arranged along the X-axis direction, the mold 831 is used for accommodating and shaping the packaging bags 110 for filling materials, the mold driving assembly is used for driving the two templates 831a to relatively move along the X-axis direction, the mold driving assembly comprises an X-axis mold driving cylinder 832 which is arranged on the movable seat 82 and is respectively connected with the two templates 831a, the two vibrating motors 833 are respectively arranged on the outer sides of the templates 831a, and the vibrating motor 833 is used for enabling the mold 831 to vibrate in a multi-direction mode so as to enable the materials in the packaging bags 110 to be solid (compact or tight);

the Z-axis reciprocating vibration device 84 is arranged between the conveying mechanism 9 and the die device 83 and is arranged right below the discharging mechanism 5, and is used for beating the bottom of the packaging bag 110 back and forth during filling;

The Y-axis conveying cylinder 85 is installed on the installation underframe 81, the driving end of the Y-axis conveying cylinder is connected with the movable seat 82, and the Y-axis conveying cylinder 85 can transfer the die device 83 from the position of the Z-axis reciprocating vibration device 84 to the conveying mechanism 9.

In one embodiment, referring to fig. 14, the Z-axis reciprocating vibration apparatus 84 includes:

a receiving bracket 841, which is in butt joint with the conveying mechanism 9, wherein an abdication groove is arranged on the upper plate body of the receiving bracket 841;

The vibrating assembly comprises a mounting base 842, a vibrating plate 843, a reciprocating cylinder 844 arranged on the mounting base 842 and connected with the vibrating plate 843 at the driving end, and a linear guide assembly 845 arranged between the vibrating plate 843 and the mounting base 842, wherein the vibrating plate 843 can vibrate reciprocally along the Z axis through the abdicating groove.

In one embodiment, referring to fig. 12, the conveying mechanism 9 extends along the Y-axis direction, and includes a horizontal conveying roller mechanism, a chain conveying mechanism or a belt conveying mechanism, the die 831 is provided with a cuboid space for accommodating the packaging bag 110 of the filling material, so that the packaging bag 110 forms a cuboid shape, and meets the requirements of market transportation and storage, and spacing guide plates 91 with adjustable spacing are provided on two sides of the conveying mechanism 9 along the X-axis direction.

The filled material packaging bag 110 is conveyed to the vacuum heat sealing mechanism 7 through the bag conveying mechanism 8 to be subjected to heat sealing and vacuumizing treatment. Since the final package 110 is drawn into a rectangular parallelepiped shape, the filled bag is always placed in the mold 831. Therefore, the bag feeding mechanism 8 not only has a conveying function, but also can carry the die 831, and is provided with a vibration function around (left, right and bottom) the bag, so that the materials in the bag are solid, and good basic conditions are provided for vacuumizing and heat sealing. The up-and-down vibration is realized by designing a Z-axis reciprocating vibration device 84, and the bottom of the bag is driven by a reciprocating cylinder 844 to perform reciprocating knocking (filling and vibration are synchronously performed).

The bag feeding mechanism 8 adopts a Y-axis conveying cylinder 85 as a power source, rollers and guide rail mechanisms are arranged on two sides of the movable seat 82 to realize a stable movement function, reduce impact on a filled bag and prevent the bag from displacement or toppling, a die 831 template 831a can be adjusted in distance according to the size of the bag to adapt to different bag types, and the vibration intensity can be adjusted according to the characteristics of materials or the thickness of the bag, so that the universality is high. Through the application of the bidirectional speed control valve, the vibration at the moment of starting and stopping of the cylinder is effectively eliminated, and the stability and reliability of the movement are ensured. The conveying mechanism 9 adopts various conveying modes, has strong adaptability, and is provided with a limiting guide plate 91 to ensure that the bag does not deviate. The conveying process is stable and efficient, and the nondestructive conveying of the finished bags to the next working procedure is ensured.

In addition, the whole automatic bagging process is controlled by a matching control system (such as a PLC) of the electric integrated cabinet 10, the running states of all links are monitored in real time, and stable and efficient running of equipment is ensured. The system is provided with fault detection and alarm functions, timely responds to equipment abnormality, and ensures production continuity.

The automatic bagging equipment can meet the following technical indexes that the bagging success rate reaches 99%, the running speed of a bagging machine can reach 500 bags/hour, the equipment design and project implementation meet the GB/T31331-2014 (plastic particle environmental protection requirement and identification) standard, the design strictly executes the GB/T27738 (gravity type automatic charging weighing machine) standard, and the system stability is improved.

Therefore, the mechanisms of the automatic bag feeding equipment are tightly connected in motion and mutually supported in function, the bag is sequentially discharged from the bag warehouse mechanism 1, the bag is stably taken from the bag taking mechanism 3, the bag is accurately positioned and opened by the bag feeding and opening mechanism 4, the high-speed bagging action of the bag feeding manipulator 6 and the high-precision weighing and filling of the discharging mechanism 5 are matched, and finally the vacuumizing, the heat sealing and the bag opening arrangement are realized through the bag feeding mechanism 8 and the vacuum heat sealing mechanism 7. Under the connection of the conveying mechanism 9, the finished product bags are smoothly output to form a full-automatic plastic particle packaging flow. Meanwhile, each mechanism has the advantages of simple structural design and pertinence, greatly reduces the failure rate of equipment, can be kept stable in a high-frequency working state, and greatly improves the production efficiency and the packaging quality.

The working flow of the invention is as follows:

The packaging bags 110 are stored in the bag frames 11 in the bag warehouse mechanism 1, and the bag frames 11 move along the Y-axis direction through the Y-axis driving cylinder 12, so that the ordered arrangement of the packaging bags 110 is ensured, and the subsequent bag taking is convenient.

The bag taking and feeding, namely lifting a first sucker assembly 31 in a bag taking mechanism 3, taking out a packaging bag 110 in a bag warehouse, and transferring the packaging bag to a bag feeding mechanism 2, wherein the bag feeding mechanism 2 (such as a horizontal conveying roller, a chain or a belt conveying mechanism 9) conveys the packaging bag 110 to a bag opening position, and meanwhile, a position detection sensor detects the position of the bag, and a bag blocking cylinder 21 is controlled to act so as to ensure that the bag is accurately stopped at the bag opening position;

bag opening operation the upper bag opener 41a and the lower bag opener 41b (equipped with the second suction cup assembly 411) of the bag opening mechanism 4 fix both side surfaces of the package bag 110, respectively.

The two bag openers are far away from each other, and the bag mouth is opened so as to be ready for the subsequent bagging operation.

Bagging and filling, namely, the bag feeding manipulator 6 moves above the bag opening position, and the bag 110 with the opened bag opening is sleeved into the bag clamping mechanism 51. The weighing mechanism 52 in the discharging mechanism 5 weighs plastic particles with preset weight, and the material is filled into the packaging bags 110 through the bag clamping mechanism 51, so that the accurate and consistent weight of each bag is ensured.

The material is compacted, the bag feeding mechanism 8 carries the die device 83, the filled packaging bag 110 is placed into the die 831, and the vibrating motor 833 vibrates the die 831 in a multi-direction mode, so that the material in the packaging bag 110 is compacted more, a cuboid shape is formed, and the subsequent processing is facilitated.

The vacuum treatment and heat sealing are carried out, namely, the filled packaging bag 110 is conveyed to the vacuum heat sealing mechanism 7 by the bag conveying mechanism 8, the vacuum heat sealing mechanism 7 carries out vacuumizing treatment on the packaging bag 110, surplus air in the packaging bag is removed, meanwhile, heat sealing is carried out, good tightness of the packaging bag 110 is ensured, the bag opening finishing assembly 77 carries out flattening treatment on the bag opening of the packaging bag 110 through the slotting cutter 772 and the flattening rod 774, the uniformity of the bag opening is ensured, the whole aesthetic degree of the packaging is improved, and the appearance quality of a product is improved.

Conveying and finished product treatment, namely continuously conveying the packaging bags 110 subjected to vacuum heat sealing and bag opening arrangement by a conveying mechanism 9 to finish the final packaged finished product.

Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same, and although the present invention has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications and equivalents may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and all such modifications and equivalents are intended to be encompassed in the scope of the claims of the present invention.

Claims (10)

1. An automatic bagging apparatus for plastic particles, characterized in that it comprises a frame (100) and a bag arranged on said frame (100):

a bag warehouse mechanism (1) for storing the packaging bags (110);

The bag conveying mechanism (2) is arranged at one side of the bag warehouse mechanism (1) and is used for receiving and conveying the packaging bags (110);

a bag taking mechanism (3) for transferring the packaging bags (110) in the bag warehouse mechanism (1) to the bag delivering mechanism (2);

The bag opening mechanism (4) comprises an upper bag opener (41 a) and a lower bag opener (41 b) which are relatively movable, and the two bag openers can respectively fix two side surfaces of the packaging bag (110) at the bag opening position of the bag feeding mechanism (2) and open the bag opening of the packaging bag (110) when the two side surfaces are far away from each other;

the discharging mechanism (5) comprises a bag clamping mechanism (51) and a weighing mechanism (52) above the bag clamping mechanism, wherein the weighing mechanism (52) is connected to a storage bin and is used for weighing materials with preset weight and filling the materials into the packaging bag (110) through the bag clamping mechanism (51);

The upper bag manipulator (6) is movably arranged between the bag opening mechanism (4) and the bag clamping mechanism (51) and can sleeve the packaging bag (110) with the bag opening into the bag clamping mechanism (51) so as to realize material filling operation;

a vacuum heat sealing mechanism (7) for performing vacuum treatment and heat sealing on the packaging bag (110) filled with the materials;

a bag feeding mechanism (8) for transferring the packaging bag (110) of the filling material to the vacuum heat sealing mechanism (7);

And the conveying mechanism (9) is used for conveying the packaging bags (110) subjected to vacuum heat sealing.

2. An automatic bagging apparatus for plastic particles according to claim 1, wherein the bag magazine mechanism (1) comprises a bag frame (11) slidably connected to the frame (100) and located at the bottom of the bag feeding mechanism (2), and a Y-axis driving cylinder (12) mounted to the bag frame (11) and connected to the frame (100), the Y-axis driving cylinder (12) being capable of pushing out or pulling back the bag frame (11) to the bottom of the bag feeding mechanism (2) along the Y-axis, the bag feeding mechanism (2) extending in the X-axis direction.

3. The automatic bag feeding device for plastic particles according to claim 1, wherein the bag feeding mechanism (2) comprises a horizontal conveying roller mechanism, a chain conveying mechanism or a belt conveying mechanism, the bag feeding mechanism (2) is provided with a position detection sensor and a bag blocking assembly at a bag opening position, the bag blocking assembly comprises a bag blocking cylinder (21) and a baffle plate (22) driven by the bag blocking cylinder to lift along a Z axis, and the bag taking mechanism (3) comprises a first sucker assembly (31) arranged above the bag warehouse mechanism (1) and positioned on one side of the head of the bag feeding mechanism (2) and a first Z-axis driving cylinder (32) for driving the first sucker assembly (31) to lift.

4. An automatic bagging apparatus for plastic particles according to claim 1, wherein the upper bag opener (41 a) and/or the lower bag opener (41 b) comprises a second suction cup assembly (411) and a second Z-axis driving cylinder (412) driving the second suction cup assembly (411) to rise and fall.

5. An automatic bagging apparatus for plastic particles according to claim 1, characterized in that the bagging robot (6) is mounted to the frame (100) above the bag opening mechanism (4), the bagging robot (6) comprising a rotary support (61), a first opening and closing cylinder (62), a rotary motor (63), a bagging arm (64), a rotary shaft (65) and a connecting rod (66);

One end of the rotating shaft (65) is rotatably connected to the rotating support seat (61) along the Y axis, and the other end of the rotating shaft is connected with the driving end of the rotating motor (63);

The upper bag arms (64) are symmetrically arranged in the middle of the rotating shaft (65), each upper bag arm (64) comprises a first end and a second end which are oppositely arranged, the first end of each upper bag arm (64) can be inserted into the packaging bag (110), the second end of each upper bag arm (64) is provided with a first rotating part (641), and the upper bag arms (64) are rotatably connected to the rotating shaft (65) through the first rotating parts (641) along the direction perpendicular to the axis of the rotating shaft (65);

the second end of each upper bag arm (64) is also provided with a second rotating part (642), and the mounting end and the driving end of the first opening and closing cylinder (62) are respectively connected with the two upper bag arms (64) through the second rotating parts (642);

A third rotating part (643) is arranged at the second end of one upper bag arm (64) close to the second rotating part (642) and far from the first rotating part (641), and a fourth rotating part (644) is arranged at the second end of the other upper bag arm (64) close to the first rotating part (641) and far from the second rotating part (642);

two ends of the connecting rod (66) are respectively arranged on the two upper bag arms (64) through the third rotating part (643) and the fourth rotating part (644);

When the rotating shaft (65) rotates to a first position, the first ends of the two upper bag arms (64) can be inserted into the packaging bags (110) with open bag openings, and when the rotating shaft (65) rotates to a second position, the two upper bag arms (64) can sleeve the packaging bags (110) with open bag openings into the bag clamping mechanism (51).

6. An automatic bagging apparatus for plastic particles according to claim 1, wherein the weighing mechanism (52) comprises a discharge connection bin (521), a discharge opening (522) arranged on top of the discharge connection bin (521), a weighing tank (523) arranged in the discharge connection bin (521), and a weighing sensor (524) arranged between the weighing tank (523) and top of the discharge connection bin (521), wherein an inlet at top of the weighing tank (523) is connected to the discharge opening (522), and an openable stop valve (525) is arranged at bottom of the weighing tank (523);

The bag clamping mechanism (51) comprises a receiving bin (511) with the upper part communicated with the material cutting door (525), an openable and closable clamping mouth assembly (512) arranged at the opening of the lower part of the receiving bin (511), an opening and closing driving assembly (513) for driving the clamping mouth assembly (512) to open and close, and a clamping plate assembly (514) positioned at one side of the clamping mouth assembly (512);

The mouth clamping assembly (512) comprises two mouth clamping plates (512 a) which are respectively connected to the opening of the lower part of the receiving bin (511) in a rotating way, the two mouth clamping plates (512 a) are closed to form a mouth clamping cavity communicated with the receiving bin (511), and the lower part of the mouth clamping cavity is exposed out of the opening when the mouth clamping cavity is opened;

The clamping plate assembly (514) comprises a mounting beam connected to the receiving bin (511) and a limiting plate (514 a) mounted on the mounting beam and positioned on one side of each of the mouth clamping plates (512 a), and after the packaging bag (110) is sleeved on the mouth clamping assembly (512), the mouth clamping assembly (512) can enable the limiting plate (514 a) to be matched with the mouth clamping plates (512 a) when being opened so as to clamp the opening edges on two sides of the packaging bag (110);

the opening and closing driving assembly (513) comprises two second opening and closing air cylinders (513 a), and the mounting end and the driving end of each second opening and closing air cylinder (513 a) are respectively connected to the mounting beam and the corresponding outer side end of the mouth clamping plate (512 a) in a rotating mode.

7. An automatic bagging apparatus for plastic particles according to claim 1, characterized in that the vacuum heat-sealing mechanism (7) comprises:

a top base (7 a) mounted on the frame (100);

A base (7 b);

an intermediate plate (7 c) located between the top base (7 a) and the bottom base (7 b);

The first Z-axis lifting cylinder (71) is arranged on the top seat (7 a) and the driving end is connected with the middle plate (7 c);

the second Z-axis lifting cylinder (72) is arranged on the middle plate (7 c) and the driving end is connected with the base (7 b);

the Z-axis guide assembly (73) comprises a guide post which is connected with the top seat (7 a) and the middle plate (7 c) in a sliding manner and is connected with the base (7 b);

The heat sealing assembly (74) comprises two heat sealing driving cylinders (741) which are arranged on the base (7 b) in an opposite mode and are arranged along the X-axis direction, and heat sealing blocks (742) connected with driving ends of the heat sealing driving cylinders (741), wherein the two heat sealing blocks (742) can form a first channel (743) after being closed;

the sealing assembly (75) comprises two sealing driving cylinders (751) which are arranged on the base (7 b) in an opposite mode and are arranged along the X-axis direction, and sealing blocks (752) connected with driving ends of the sealing driving cylinders (751), the sealing blocks (752) are positioned on the lower sides of the heat sealing blocks (742), and the two sealing blocks (752) can form a second channel (753) positioned right below the first channel (743) after being closed;

The air extraction assembly (76) comprises an air extraction driving cylinder (761), an air extraction pipe (762), an air extraction plate (763) which is communicated with the air extraction pipe (762) and is flat, and a driving block (764) which is arranged between the air extraction pipe (762) and the air extraction plate (763) and is connected with the driving end of the air extraction driving cylinder (761), wherein the first channel (743) and the second channel (753) are suitable for the insertion of the air extraction plate (763), the upper end of the air extraction pipe (762) is connected with the footstock (7 a) in a sliding mode and is externally connected with an air extraction device, and the air extraction driving cylinder (761) is arranged on the base (7 b);

Pocket mouth arrangement subassembly (77), including install in base (7 b) and two slotting tool drive cylinder (771) that arrange along Y axle direction that set up relatively and with each slotting tool drive cylinder (771) drive end links to each other slotting tool (772), still including install in base (7 b) and two of setting up relatively are smooth drive cylinder (773) and with each smooth the smooth subassembly that drive cylinder (773) drive end links to each other, smooth the subassembly including be located slotting tool (772) are along X axle direction both sides face and smooth pole (774) that extend along the Z axle.

8. An automatic bagging apparatus for plastic particles according to claim 1, characterized in that the bag feeding mechanism (8) comprises:

A mounting chassis (81);

a movable base (82) slidably connected to the mounting chassis (81);

The mold device (83) comprises a mold (831), a mold driving assembly and a vibrating motor (833), wherein the mold (831) comprises two templates (831 a) which are oppositely arranged along the X-axis direction, the mold (831) is used for accommodating and shaping the packaging bags (110) for filling materials, the mold driving assembly is used for driving the two templates (831 a) to relatively move along the X-axis direction, the mold driving assembly comprises an X-axis mold driving cylinder (832) which is arranged on the movable seat (82) and is respectively connected with the two templates (831 a), the two vibrating motors (833) are respectively arranged on the outer sides of the templates (831 a), and the vibrating motor (833) is used for enabling the mold (831) to vibrate in a multi-direction so as to enable the materials in the packaging bags (110) to be solid;

The Z-axis reciprocating vibration device (84) is arranged between the conveying mechanism (9) and the die device (83) and is arranged right below the discharging mechanism (5) and used for beating the bottom of the packaging bag (110) back and forth during filling;

The Y-axis conveying cylinder (85) is arranged on the installation underframe (81) and connected with the movable seat (82), and the Y-axis conveying cylinder (85) can transfer the die device (83) from the position of the Z-axis reciprocating vibration device (84) to the conveying mechanism (9).

9. An automatic bagging apparatus for plastic particles as claimed in claim 8, wherein said Z-axis reciprocating vibrating means (84) comprise:

a bearing bracket (841) which is in butt joint with the conveying mechanism (9), wherein an abdication groove is formed on the upper plate body of the bearing bracket (841);

The vibrating assembly comprises a mounting base (842), a vibrating plate (843), a reciprocating cylinder (844) which is arranged on the mounting base (842) and is connected with the vibrating plate (843) at the driving end, and a linear guide assembly (845) which is arranged between the vibrating plate (843) and the mounting base (842), wherein the vibrating plate (843) can vibrate in a reciprocating manner along the Z axis through the abdicating groove.

10. An automatic bagging apparatus for plastic particles according to claim 8, wherein the conveying mechanism (9) extends along the Y-axis direction and comprises a horizontal conveying roller mechanism, a chain conveying mechanism or a belt conveying mechanism, the die (831) is provided with a rectangular parallelepiped space for accommodating the packaging bag (110) of the filling material, and both sides of the conveying mechanism (9) along the X-axis direction are provided with spacing guide plates (91) with adjustable spacing.