CN111017327A

CN111017327A - PE bag clamping assembly and PE bag packaging system

Info

Publication number: CN111017327A
Application number: CN201911391037.0A
Authority: CN
Inventors: 李宁; 李加军; 谭雄; 伍申载
Original assignee: Suzhou Bogute Intellectual Creation Co ltd
Current assignee: Suzhou Bogute Intellectual Creation Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-04-17

Abstract

The invention provides a PE bag clamping assembly which comprises a clamping frame, a clamping body, a first driving assembly and a second driving assembly, wherein the clamping body is pivotally connected with the clamping frame, the first driving assembly is used for driving the clamping body to rotate, the second driving assembly is used for controlling the clamping body to clamp or loosen a PE bag, the clamping body comprises a rotating rod body, a pivoting shaft, a clamping part and a propping part, the pivoting shaft is pivotally connected with the clamping frame and is positioned in the middle of the rotating rod body, the clamping part is arranged at one end of the rotating rod body and is used for propping open the PE bag, the propping part is arranged at the other end of the rotating rod body and is used for propping against the first driving assembly, the clamping part and the propping part are fixedly connected with the rotating rod body, and the clamping part comprises two clamping jaws. The PE bag clamping assembly can ensure that the bag opening moves when being opened, and materials can be conveniently placed in the PE bag.

Description

PE bag clamping assembly and PE bag packaging system

Technical Field

The invention relates to a PE bag clamping assembly and a PE bag packaging system.

Background

In production, prepared materials are often required to be put into PE bags, and the existing mode is that a manual production line is used for completing the work. With the higher labor cost, the higher production cost is, and the problem of misplacing materials exists.

Accordingly, there is a need for an improved PE bag clamping assembly and PE bag packaging system to solve the above-mentioned problems.

Disclosure of Invention

The invention aims to provide a PE bag clamping assembly to solve the problem that the opening of a PE bag cannot be automatically opened to move in the prior art.

The invention provides a PE bag clamping component, which comprises a clamping frame, a clamping body, a first driving component and a second driving component, wherein the clamping body is pivotally connected with the clamping frame, the first driving component is used for driving the clamping body to rotate, the second driving component is used for controlling the clamping body to clamp or loosen a PE bag, the clamping body comprises a rotating rod body, a pivoting shaft, a clamping part and a butting part, the pivoting shaft is pivotally connected with the clamping frame and is positioned in the middle of the rotating rod body, the clamping part is arranged at one end of the rotating rod body and is used for opening the PE bag, the butting part is arranged at the other end of the rotating rod body and is used for butting against the first driving component, the clamping part and the butting part are fixedly connected with the rotating rod body, the clamping part comprises two clamping jaws, the clamping jaws have a first vertical downward state and a second horizontal outward state, and the first driving component is used for butting against the butting part, the second driving assembly is used for driving the two clamping jaws to be close to or far away from.

As a further improvement of the present invention, the rotating rod includes a first rod perpendicular to the clamping jaw and a second rod parallel to the clamping jaw, and the abutting portion is disposed on the first rod.

As a further improvement of the present invention, the first driving assembly includes a first telescopic rod and a first driving device for driving the first telescopic rod to move up and down, and the lower end of the first telescopic rod is used for abutting against the abutting portion.

As a further improvement of the present invention, the clamping portion further includes two movable members, a connecting member for fixedly connecting the movable members and the clamping jaws, and an elastic member for connecting the movable members and the rotating rod body, wherein the two movable members are disposed on both sides of the rotating rod body for movably connecting with the rotating rod body so as to be close to or away from each other, and the elastic member is disposed between the movable members and the rotating rod body.

As a further improvement of the present invention, the second driving assembly includes a second driving device and two horizontal shift levers, the second driving device is used for controlling the two horizontal shift levers to approach or separate from each other, the two movable members each include a protruding portion, and the two protruding portions are located between the two horizontal shift levers.

As a further improvement of the invention, the connecting piece is fixedly connected with the clamping jaw and is arranged in a sliding way relative to the movable piece.

As a further improvement of the present invention, the PE bag clamping assembly further includes a third driving assembly, the third driving assembly is located below the abutting portion, the third driving assembly includes a third driving device and a second telescopic rod, and the third driving device is used for driving the second telescopic rod to move up and down and abut against the abutting portion.

As a further improvement of the invention, the PE bag clamping component also comprises a positioning spring which is used for connecting the rotating rod body and the clamping frame.

The invention also provides a PE bag packaging system which comprises a PE bag transferring assembly, a PE bag feeding assembly, a discharging assembly and a ribbon feeding assembly, wherein the discharging assembly is used for placing materials into the PE bag, and the PE bag transferring assembly comprises the PE bag clamping assembly.

The invention has the beneficial effects that: the PE bag clamping assembly can ensure that the bag opening moves when being opened, and materials can be conveniently placed in the PE bag.

Drawings

FIG. 1 is a schematic top view of the PE bag packaging system of the present invention;

FIG. 2 is a schematic view of a PE bag transfer assembly of the PE bag packaging system of FIG. 1;

FIG. 3 is an enlarged view of a portion of the PE bag transfer assembly of FIG. 2;

FIG. 4 is a schematic view of the first and second drive assemblies of the PE bag transfer assembly of FIG. 2;

FIG. 5 is a schematic view of a third drive assembly of the PE bag transfer assembly of FIG. 2;

FIG. 6 is a schematic view of the PE bag feeding assembly of the PE bag transfer assembly of FIG. 2;

FIG. 7 is a schematic view of another orientation of the PE bag feeding assembly of the PE bag transfer assembly of FIG. 2;

FIG. 8 is a schematic view of the PE bag feeding assembly of the PE bag packaging system of FIG. 1;

FIG. 9 is a schematic view of another orientation of the PE bag feeding assembly of the PE bag packaging system of FIG. 1;

FIG. 10 is a schematic view of the discharge assembly of the PE bag packaging system of FIG. 1;

FIG. 11 is an enlarged partial schematic view of the discharge assembly of FIG. 10;

FIG. 12 is a schematic illustration of the strap feeding assembly of the PE bag packaging system of FIG. 1;

fig. 13 is a side elevational view of the band feed assembly of fig. 12.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 13, the PE bag packaging system 100 of the present invention includes a box body 1, a PE bag transfer assembly 2, a PE bag feeding assembly 3, a discharging assembly 4 for placing materials into the PE bag, and a band feeding assembly 5 for placing bands into the PE bag. The PE bag transferring assembly 2, the PE bag feeding assembly 3, the discharging assembly 4 and the ribbon feeding assembly 5 are arranged in the box body 1. The PE bag packaging system 100 of the present invention can achieve full-automatic PE bag material taking, material placement into the PE bag, and tie placement into the PE bag.

As shown in fig. 2 to 3, the PE bag transferring assembly 2 includes a frame 11, an endless chain 12 fixed on the frame 11, a driving device 13 for driving the endless chain 12 to rotate, and a plurality of PE bag holding assemblies 14 disposed around the endless chain 12, wherein the plurality of PE bag holding assemblies 14 are disposed on the endless chain 12.

The bracket 11 includes a leg 111, a support plate 112 disposed on the top of the leg 111, a protective cover 113 extending upward from the support plate 112, and a top plate 114 disposed above the annular chain 12, the annular chain 12 is disposed on the support plate 112, and the driving device 13 is disposed at the bottom of the support plate 112.

The protective cover 113 is provided around the outside of the endless chain 12. In the present embodiment, the endless chain 12 is disposed between the protection cover 113 and the top plate 114 in the height direction.

The top plate 114 is fixed to the support plate 112.

As shown in fig. 4 to 7, the PE bag clamping assembly 14 includes a clamping frame 141, a clamping body 142 pivotally connected to the clamping frame 141, a first driving assembly 143 for driving the clamping body 142 to rotate, a second driving assembly 144 for controlling the clamping body 142 to clamp or unclamp a PE bag, a third driving assembly 140, and a positioning spring 149.

In this embodiment, the PE bag clamping assembly 14 is disposed on the annular chain 12, which means that the clamping frame 141 and the clamping body 142 of the PE bag clamping assembly 14 are fixed on the annular chain 12, the first driving assembly 143 and the second driving assembly 144 are fixed at the fixed position of the top plate 114, and the third driving assembly 140 is disposed at the fixed position of the supporting plate 112. A plurality of the holder 141 and the holder body 142 are spaced at the same distance. Correspondingly, the first driving assemblies 143 and the second driving assemblies 144 are spaced apart by the same distance, and the third driving assemblies 140 are spaced apart by the same distance.

The first driving assembly 143 includes a first extension bar 1431 and a first driving device 1432 for driving the first extension bar 1431 to move up and down.

The clamping body 142 includes a rotating rod 145, a pivot 146 pivotally connected to the clamping frame 141 and located in the middle of the rotating rod 145, a clamping portion 147 disposed at one end of the rotating rod 145 for opening the PE bag, and a supporting portion 148 disposed at the other end of the rotating rod 145 for supporting the first driving component 143. The lower end of the first extension rod 1431 is used for abutting against the abutting portion 148. The clamping body 142 is protruded outside the protection cover 113, and specifically, at least the clamping portion 147 is located outside.

The clamping portion 147 and the abutting portion 148 are both fixedly connected to the rotating rod 145, and the clamping portion 147 includes two clamping jaws 1471, two movable members 1472, a connecting member 1473 for fixedly connecting the movable members 1472 and the clamping jaws 1471, and an elastic member 1474 for connecting the movable members 1472 and the rotating rod 145.

The rotating rod 145 includes a first rod 1451 perpendicular to the clamping jaw 1471 and a second rod 1452 parallel to the clamping jaw 1471, and the abutting portion 148 is disposed on the first rod 1451. The clamping jaw 1471 has a first state of being vertically downward and a second state of being horizontally outward, and the first telescopic rod 1431 is configured to abut against the abutting portion 148, so as to push the rotating rod 145 to rotate to drive the clamping jaw 1471 to switch between the first state and the second state. Specifically, when the first driving element 143 presses the supporting portion 148 downward, the rotating rod 145 is driven to rotate by about 90 degrees, so that the clamping jaw 1471 is changed from the first state to the second state.

The two movable members 1472 are disposed at two sides of the rotating rod 145 and movably connected to the rotating rod 145 to move toward or away from each other, and the elastic member 1474 is abutted between the movable member 1472 and the rotating rod 145.

The second driving assembly 144 is used to drive the two clamping jaws 1471 to move closer to or away from each other. In this embodiment, the second driving assembly 144 is used to drive the two clamping jaws 1471 to approach each other, the elastic member 1474 controls the two clamping jaws 1471 to move away from each other by using elastic force, and the clamping jaws 1471 which are far away from each other can open the PE bag. The second driving assembly 144 includes a second driving device 1441 and two horizontal levers 1442, the second driving device 1441 is used for controlling the two horizontal levers 1442 to move toward or away from each other, each of the two movable members 1472 includes a protruding portion 1475, and the two protruding portions 1475 are located between the two horizontal levers 1442. When horizontal driver 1442 is moved closer together, it presses on two of said projections 1475, which move the two jaws 1471 closer together and thus project into the PE bag. When the horizontal drivers 1442 are far away from each other, the two clamping jaws 1471 are far away from each other under the action of the elastic member 1474, so that the PE bag can be supported.

The attachment device 1473 is fixedly connected to the jaw 1471 and slidably disposed with respect to the movable device 1472, so that it can be applied to PE bags of different sizes.

The third driving assembly 140 is located below the supporting portion 148, the third driving assembly 140 includes a third driving device 1401 and a second telescopic rod 1402, the third driving device 1401 is used for driving the second telescopic rod 1402 to move up and down and support against the supporting portion 148, and when the clamping jaw 1471 needs to be converted from the second state to the first state, the third driving device 1401 drives the second telescopic rod 1402 to jack up. The third driving assembly 140 may be mounted on the supporting plate 112 or the protective cover 113.

The positioning spring 149 is used to connect the rotating rod 145 and the clamping frame 141. To maintain the first state when the jaw 1471 is not driven by the first drive assembly 143.

The PE bag feeding assembly 3, the discharging assembly 4 and the ribbon feeding assembly 5 are arranged around the annular chain 12 in sequence. And the distance between two adjacent holders is equal to the distance between two adjacent holders 141. In this embodiment, the distance between the holder frames 141 or the distance between the PE bag holder assemblies 14 refers to a distance extending along the endless chain 12, not a spatial distance.

As shown in fig. 8 to 9, the PE bag feeding assembly 3 of the present invention can realize the turning of the opening of the PE bag and the opening of the PE bag, and can be adapted to different sizes with high applicability.

The PE bag feeding assembly 3 comprises a PE bag storage device 31, a PE bag clamping device 32 and a limiting block 30. The PE bag storage device 31 is used for storing PE bags, and the PE bag gripper 32 is used for gripping the PE bags and opening the opening.

The PE bag storage device 31 includes a shelf 33, a lifting device 34 for lifting the shelf 33, a fourth rail 39 extending in the left-right direction, and a plurality of stoppers 35 extending from the shelf 33 upward. The limiting blocks 30 are arranged on the left side and the right side of the placing plate 33.

Two PE bag storage areas 36 are arranged on the shelving plate 33 along the left and right directions. The stop lever 35 is arranged around the storage area 36 to prevent the PE bag from shifting. The limiting rod 35 penetrates through the placing plate 33 in the up-down direction, and a limiting hole for the limiting rod 35 to penetrate through is formed in the placing plate 33. The two PE bag storage areas 36 can be switched by controlling the shelving plate 33 to move along the fourth rail 39, so that more PE bags can be placed, and the frequency of manual intervention is reduced.

The PE bag gripping device 32 includes a first gripper 37 located above, a second gripper 38 located below, a first moving device 371 for driving the first gripper 37 to move up and down and back and forth, and a second moving device 381 for driving the second gripper 38 to move up and down. The first clamp 37 is higher than the stopper rod 35.

The first fixture 37 includes a first body 372 and a first suction cup 373, the second fixture 38 includes a second body 382 and a second suction cup 383, the first suction cup 373 is disposed downward, the second suction cup 383 is disposed upward, and the first suction cup 373 is located above the second suction cup 383 and spaced apart from the second suction cup 383. However, the gap between the first suction cup 373 and the second suction cup 383 is small, which is convenient for the first suction cup 373 and the second suction cup 383 to suck up the front and back sides of the PE bag at the same time.

The first moving device 371 comprises a first track extending along the front-back direction, and a first sliding block matched with the first track, wherein the first sliding block is provided with a second track extending up and down and matched with the first body 372. The second moving device 381 includes a third rail extending in an up-down direction to cooperate with the second body 382.

The PE bag feeding assembly 3 has the following working process:

the lifting device 34 lifts the placing plate 33 upwards along the limiting rod 35 to drive the PE bag upwards, when a certain height is reached, the first moving device 371 drives the first clamp 37 to move to the position above the PE bag storage area 36 along the front-back direction, then the first suction disc 373 is started to adsorb the PE bag, the first moving device 371 is controlled to recover the initial position, the second suction disc 383 is started to adsorb the other side of the PE bag, and then the first moving device 371 and the second moving device 381 are controlled to move up and down respectively, so that the PE bag is opened.

The PE bag feeding assembly 3 is simple in structure, and can achieve the function of sucking the PE bag and the function of opening the PE bag.

The PE bag is now in a state with the opening facing inward and the opening open. This, in cooperation with the PE bag holding assembly 14, can achieve an open-top condition. The specific process is as follows:

the first driving assembly 143 works to drive the clamping jaws 1471 to change from the first state to the second state, and meanwhile, the second driving assembly 144 works to drive the two clamping jaws 1471 to approach each other, so that the spacing distance is shortened, and the clamping jaws can protrude into the PE bag; then the second driving assembly 144 releases the clamping jaws 1471, so that the clamping jaws 1471 are away from each other, thereby supporting the opening of the PE bag, and controls the third driving assembly 140 to operate to drive the clamping jaws 1471 to turn from the second state to the first state, thereby achieving the effect of opening the PE bag with the opening facing upward.

As shown in fig. 10 to 11, the emptying assembly 4 includes a first material placing member 41, a material taking device 42, a first guide rail 43 extending up and down, a connecting block 44 connecting the first guide rail 43 and the first material placing member 41, a supporting assembly 45, a second material placing member 46, a driving member 47, and a detecting device 48.

The material taking device 42 comprises a rotating arm 421, a support frame 422 connected with one end of the rotating arm 421, a material sucking device 423 arranged at the other end of the rotating arm 421, and a rotating device 424 fixed on the support frame 422 and used for controlling the rotation of the rotating arm 421, wherein the rotating arm 421 has a first state in a vertical direction and a second state in a horizontal direction, and when the rotating arm 421 is in the first state, the first material placing part 41 is located below the rotating arm 421.

The supporting assembly 45 includes a supporting plate 451 for supporting the first material placing member 41, and a plurality of position limiting supporting rods 452 extending upward from the supporting plate 451, wherein the plurality of position limiting supporting rods 452 are disposed around the first material placing member 41. The detection device 48 is arranged at the top of the limit support rod 452, the detection device 48 is located above the first material placing part 41, and the detection device 48 is used for detecting whether the material is in place. When the rotating arm 421 is in the first state, the material sucking device 423 is located above the limiting support rod 452.

The connecting block 44 drives the first material placing member 41 to move up and down along the first guide rail 43.

The first material placing part 41 comprises a first supporting claw 411, the second material placing part 46 comprises a second supporting claw 461, the first supporting claw 411 and the second supporting claw 461 are arranged in a staggered mode, the driving part 47 is used for driving the second material placing part 46 to be close to or far away from the first material placing part 41, and when the first supporting claw 411 and the second supporting claw 461 are close to each other, the first supporting claw 411 and the second supporting claw 461 are staggered.

The driving member 47 includes a second guide rail 471 and a cylinder rod 472, the second guide rail 471 is disposed on the support plate 451, and the second material resting member 46 is disposed on the second guide rail 471. When the material on the first material placing part 41 is used up, the second material placing part 46 is moved, the first supporting claw 411 and the second supporting claw 461 are staggered, and at this time, the first material placing part 41 is moved upwards, so that the material on the original second material placing part 46 can be driven to move upwards.

The emptying assembly 4 in the embodiment works far away from the following:

the first material placing part 41 is lifted along the first guide rail 43, when the detection device 48 detects that the material is in place, the rotating arm 421 is driven to be switched to the first state, the material suction device 423 is controlled to absorb the material, then the rotating arm 421 is controlled to be switched to the second state, the material is released, and the material falls into the PE bag with the opening at the lower part under the action of gravity.

The material placing component 4 can achieve the effect of placing materials into the PE bag, and the second material placing component 46 is provided with one more material placing area, so that manual intervention is reduced.

As shown in fig. 12-13, the strap feeding assembly 5 is used to deposit a strap that includes a strap and a strap head disposed at one end of the strap.

The band feeding assembly 5 comprises a band storage device 51, a first transfer device 52 connected with the band storage device 51, a second transfer device 53 connected with the first transfer device 52, a third moving device 54 connected with the second transfer device 53, and a band gathering device 55.

The strap accumulator 55 is arranged at the end of the third displacement means 54 remote from the second transfer means 53 for collecting the straps, and a sufficient amount of the straps are collected and lowered to fall into the PE bag.

The band storage means 51 comprises a band storage plate 511 inclined toward the first transfer means 52, and a side plate 512 provided at a side of the band storage plate 511. The heads of the bands are placed towards the same direction, in particular towards the side of the third moving means 54. Because the band depositing plate 511 is inclined toward the first transfer means 52, the bands are gathered at the intersection of the band depositing plate 511 and the first transfer means 52.

The first transfer device 52 comprises a plurality of moving plates 521 which can move up and down, the moving plates 521 are arranged adjacently, and the top of each moving plate 521 extends downwards in an inclined manner towards one side far away from the band storage device 51. When the material loading is needed, the moving plate 521 closest to the ribbon storage plate 511 moves downwards, when the moving plate is lower than the ribbon storage plate 511, part of the ribbon moves onto the moving plate 521, then the moving plate 521 moves upwards, and the adjacent moving plate 521 moves downwards, so that the ribbon is transferred; in turn, moves the moving plate 521 up and down until the strap falls onto the second transfer device 53.

The second transfer device 53 includes a screening plate 531 inclined downward toward a direction away from the first transfer device 52, a screening block 532 disposed above the screening plate 531 and spaced apart from the screening plate 531, and a vertically extending riser 533.

The gap distance between the screening plate 531 and the screening block 532 is greater than the width of the strap tie and less than the distance of the strap tie head. The screening plate 531 is provided with a material leaking hole 534, and the material leaking hole 534 is arranged at one side of the screening block 532. The screening block 532 is provided with a guide surface 535 towards the third displacement device 54, which guide surface 535 is arranged at a side remote from the discharge opening 534.

The vertical plate 533 is connected to an end of the screening plate 531 away from the first transfer device 52, and the screening block 532 is fixed to the vertical plate 533.

The operation of the second transfer device 53 is as follows: when the binding belt falls on the screening plate 531, the binding belt moves towards the vertical plate 533 under the action of gravity, and contacts the screening block 532 first in the moving process. If the strap is placed correctly, the head of the strap abuts the guide surface 535, slides along the guide surface 535 to the vertical position, and further slides toward the third moving device 54.

The third moving device 54 is disposed on a side of the screening plate 531 opposite to the material discharge hole 534. The screening plate 531 is inclined downward toward the third moving device 54.

The third moving device 54 includes a material conveying belt 541 capable of moving up and down, and a plurality of connecting devices 543 disposed above the material conveying belt 541, wherein a material conveying gap 542 is disposed on the material conveying belt 541, the width of the material conveying gap 542 is greater than the width of the tape to be taped and smaller than the width of the taping head, two ends of the connecting devices 543 are used for connecting the material conveying belts 541 at two sides of the material conveying gap 542, and one end of the material conveying belt 541 is connected with the screening plate 531. Connecting device 543 has the breach of stepping down 544 of opening, the breach of stepping down 544 orientation pass through the setting of material clearance 542, and the size is greater than the tie head, in order to let the tie head pass through.

When the band is moved to the third moving means 54, the band strip falls from the gap, the band head is located above the gap, and the band transfer strip 541 is moved by moving the band transfer strip 541 up and down until the band is moved to the band accumulating means 55.

According to the PE bag packaging system 100, the PE bag transfer component 2 is arranged, so that the PE bag taken out by the PE bag feeding component 3 can be moved, and feeding is facilitated; arranging a discharging component 4 to be matched with the PE bag transferring component 2 to realize the feeding effect; a strap feeding assembly 5 is provided so that a strap can be placed into the PE bag. The PE bag packaging system 100 disclosed by the invention has the advantages that the effects of taking and loading PE bags into the PE bags are realized automatically, the loading is accurate, the manual intervention is less, the cost is low and the efficiency is high.

Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the present invention.

Claims

1. A PE bag holding assembly characterized by: the PE bag clamping assembly comprises a clamping frame, a clamping body pivotally connected with the clamping frame, a first driving assembly used for driving the clamping body to rotate, and a second driving assembly used for controlling the clamping body to clamp or loosen a PE bag, wherein the clamping body comprises a rotating rod body, a pivoting shaft which is pivotally connected with the clamping frame and is positioned in the middle of the rotating rod body, a clamping part which is arranged at one end of the rotating rod body and is used for opening the PE bag, and a butting part which is arranged at the other end of the rotating rod body and is used for butting against the first driving assembly, the clamping part and the butting part are both fixedly connected with the rotating rod body, the clamping part comprises two clamping jaws, the clamping jaws have a first vertical downward first state and a second horizontal outward state, the first driving assembly is used for butting against the butting part to push the rotating rod body to rotate so as to drive the clamping jaws to switch between the first state and the second state, the second driving assembly is used for driving the two clamping jaws to get close to or get away from each other.

2. The PE bag clamping assembly of claim 1 wherein: the rotating rod body comprises a first rod body perpendicular to the clamping jaw and a second rod body parallel to the clamping jaw, and the abutting portion is arranged on the first rod body.

3. The PE bag clamping assembly of claim 1 wherein: the first driving assembly comprises a first telescopic rod and a first driving device used for driving the first telescopic rod to move up and down, and the lower end of the first telescopic rod is used for being abutted against the abutting part.

4. The PE bag clamping assembly of claim 1 wherein: the clamping part still includes two moving parts, be used for the connecting piece of fixed connection moving part and clamping jaw, connect the moving part with the elastic component of the rotation body of rod, two the moving part sets up the both sides of the rotation body of rod be used for with the rotation body of rod swing joint is in order to be close to each other or keep away from, the elastic component sets up the moving part with rotate between the body of rod.

5. The PE bag clamping assembly of claim 4, wherein: the second driving assembly comprises a second driving device and two horizontal driving levers, the second driving device is used for controlling the two horizontal driving levers to be close to or away from each other, the two moving parts respectively comprise a protruding portion, and the two protruding portions are located between the two horizontal driving levers.

6. The PE bag clamping assembly of claim 4, wherein: the connecting piece with clamping jaw fixed connection, relative the moving part slidable sets up.

7. The PE bag clamping assembly of claim 1 wherein: the PE bag clamping assembly further comprises a third driving assembly, the third driving assembly is located below the abutting portion and comprises a third driving device and a second telescopic rod, and the third driving device is used for driving the second telescopic rod to move up and down and abut against the abutting portion.

8. The PE bag clamping assembly of claim 1 wherein: the PE bag clamping assembly further comprises a positioning spring, and the positioning spring is used for connecting the rotating rod body and the clamping frame.

9. A PE bag packaging system characterized by: the PE bag packaging system comprising a PE bag transfer assembly, a PE bag feeding assembly, a discharge assembly for placing material into a PE bag, a strap feeding assembly, the PE bag transfer assembly comprising the PE bag gripping assembly of any of claims 1-8.