CN116176944A - Bag packing device - Google Patents

Abstract

The invention relates to a bag packing device, which comprises a material collecting mechanism and a bagging mechanism, wherein the material collecting mechanism comprises a charging barrel which is communicated from front to back, the charging barrel is arranged on a charging barrel moving mechanism, the charging barrel moving mechanism can move transversely and longitudinally along a horizontal plane, the charging barrel comprises an upper trough and a lower trough which are sleeved relatively, the upper trough and the lower trough surround to form an inner bin for charging, the upper trough and the lower trough are provided with charging barrel driving deformation mechanisms which can promote the relative vertical separation or the folding of the upper trough and the lower trough, the rear end of the charging barrel is aligned to the bagging mechanism, a packaging bag opening which is opened by the bagging mechanism is sleeved at a rear port of the charging barrel, and the bag packing device realizes automation of a bag opening process, a bagging process and a material entering packaging bag process, improves the working efficiency, and further reduces certain labor cost.

Description

Bag packing device

Technical Field

The invention relates to a bag packing device.

Background

The applicant's Zhejiang Runtai automation technology limited company applies for patent number CN202210840562.1 on day 7 and 18 of 2022, the name is bar cap collecting and sorting device and packing operation method, the device adopts a box body to load bar caps, when a stirring mechanism dials the bar caps onto a transverse drawing plate, the number of the bar caps which are stirred onto the drawing plate is calculated through a sensing counter, a certain number of the bar caps are used as a unit threshold value, for example, 25 bar caps are shifted into one layer every time, when the sensing counter monitors that the number of the bar caps reaches 25 threshold value, the drawing plate driving mechanism drives the drawing plate to transversely move, the whole layer of bar caps are caused to fall onto a lifting plate of the box body, the pressing mechanism drives a lower pressing plate to press the bar caps downwards, meanwhile, the lifting driving mechanism synchronously drives the lifting plate to descend the thickness position of one bar cap, and then the drawing plate resets onto the box body after the stirring mechanism is in place, so that the number of the bar caps which are stirred onto the lifting plate is calculated, the preset number of bar caps is repeatedly loaded, when the number of the bar caps which reaches the preset number and the number of the bar caps, the front pushing mechanism drives the bar caps to fall onto the lifting plate, the whole layer of the lifting plate, the manual bag is not arranged until the whole bag collecting device is finished, and the whole bag collecting speed is not is increased, and the manual bag collecting speed is increased, and the whole device is finished, and the packing is finished.

Disclosure of Invention

Aiming at the defects of the prior art, the invention aims to provide a bag packing device, which realizes automation of a bag opening process, a bagging process and a material entering packaging bag process, improves the working efficiency, further reduces certain labor cost, can realize accurate correspondence of the bag packing device and an output port of material production equipment, accurately realizes material transfer to the bag packing device, such as a strip cap material collecting and sorting device, realizes accurate pushing of the strip cap into a charging barrel, improves the packaging efficiency of the bag packing device, and improves the practicability and applicability of the bag packing device.

The invention provides the following technical scheme for realizing the purposes: the utility model provides a sack packing apparatus, includes receiving mechanism and bagging machine constructs, receiving mechanism includes the feed cylinder that link up from top to bottom, the feed cylinder sets up on feed cylinder moving mechanism, feed cylinder moving mechanism can be along horizontal plane transversely and longitudinal movement, feed cylinder moving mechanism includes the second frame, take many second guide arms between the second frame is vertical, be provided with the frame of placing the feed cylinder between the second guide arm, the frame up end is provided with the driving piece, the driving piece drives the frame and reciprocates along the length direction of second guide arm, transversely set up many third guide arms in the support, sliding connection has the riser on the third guide arm, the riser middle part is provided with the through-hole, feed cylinder runs through in through-hole department, support side fixed mounting has the third cylinder, and the third cylinder promotes the feed cylinder and moves along third guide arm length direction, feed cylinder configuration has feed cylinder drive deformation mechanism, the rear end of feed cylinder aims at bagging machine constructs, bagging machine struts's wrapping bag and cup joints the back port of feed cylinder.

Further, the charging barrel comprises an upper trough and a lower trough which are sleeved relatively, the upper trough and the lower trough surround to form an inner bin for charging, and the charging barrel drives the deformation mechanism to enable the upper trough and the lower trough to be separated vertically or folded relatively.

Further, the bagging mechanism comprises a first rack and a bag opening part and a bag opening moving part which are arranged on the first rack, the bag opening part comprises a lifting table, a plurality of layers of stacked packaging bags are placed on the lifting table, an upper absorbing part for absorbing the uppermost packaging bag of the lifting table is arranged above the lifting table, a lower absorbing part for opening the packaging bag absorbed on the upper absorbing part is arranged on the side edge of the lifting table, and the bag opening moving part is used for opening the packaging bag and moving the packaging bag to the rear end of the charging barrel after separating the packaging bag from the upper absorbing part.

Further, the upper absorbing part and the lower absorbing part are both connected with an air suction fixing machine, the upper absorbing part comprises a transverse plate fixedly installed below the opening moving part, the middle part of the transverse plate is provided with an air suction plate in a downward extending mode, the position, corresponding to four corners of the packaging bag, of the air suction plate is provided with an air suction opening, and the end face, facing to the lifting platform, of the transverse plate is provided with a contact switch which is used for stopping the lifting platform.

Further, the same side of elevating platform is provided with the extension frame, be provided with slide rail and conveyer belt on the extension frame, the conveyer belt passes through servo motor drive on one side, lower adsorption piece includes a pair of carriage and sets up the silica gel sucking disc on the carriage, the carriage all slides with the slide rail and is connected, one of them carriage fixed mounting is at one side of conveyer belt, another carriage fixed mounting is at the other side of conveyer belt.

Further, strut the moving member and including setting up many first guide arms between first frame and receiving mechanism, be provided with between many first guide arms and remove the frame, remove the frame and pass through first cylinder drive along first guide arm length direction reciprocating motion, it is provided with a pair of arm and the finger cylinder that drives a pair of arm and transversely strut along the horizontal plane to remove the frame, the arm all includes second cylinder and crotch, crotch one side upper portion extends and articulates the piston rod tip at the second cylinder, and a side lower part extends and articulates on removing the frame, the crotch passes through the second cylinder drive, rotates down along the pin joint and colludes in wrapping bag opening part.

Further, the driving piece includes the baffle that the frame up end upwards extends the setting, baffle one side is provided with driving motor, and driving motor's actuating lever runs through the baffle and is connected with the live-rollers, is provided with the drive belt on the live-rollers, and drive belt both ends respectively fixed mounting is in the second frame, is provided with the compression roller that uses the live-rollers as central symmetry setting on the baffle, the compression roller supports on the drive belt.

Further, the charging barrel driving deformation mechanism comprises an upper cylinder and a lower cylinder which are fixedly arranged on the vertical plate, an L-shaped plate is fixedly arranged between the end part of a piston rod of the upper cylinder and the upper end surface of the upper trough and fixedly arranged with the end part of the piston rod, and the end part of the piston rod of the lower cylinder is fixedly arranged on the lower end surface of the lower trough.

Further, the L-shaped plate is provided with a telescopic cylinder which tightly props the upper end face of the packaging belt against the upper end face of the charging barrel.

Further, the device also comprises a pushing mechanism.

The invention has the beneficial effects that:

1. the prior art has the advantages that the manual packaging is available in the prior art, the working efficiency is low, the labor cost is high, the automation is realized in the bag opening process, the bagging process and the material entering packaging bag process through the bag packaging device, the working efficiency is improved, and the certain labor cost is further reduced.

2. This sack packing apparatus sets up the feed cylinder into the material loading groove and the unloading groove of cup jointing relatively, and is furnished with the feed cylinder drive deformation mechanism that can promote material loading groove and unloading groove vertical separation or draw in, realizes the receipts state of feed cylinder when the cover bag, makes things convenient for the wrapping bag to cup joint at the feed cylinder, realizes the separation state of feed cylinder when pushing away the material, realizes the maximize of feed cylinder charge.

3. This sack packing apparatus includes feed cylinder moving mechanism, but feed cylinder moving mechanism transverse longitudinal movement fills a section of thick bamboo, can realize that sack packing apparatus and material production facility's delivery outlet is accurate corresponds, and the accurate material that realizes is transferred to sack packing apparatus, for example bar cap receipts material finishing device realizes in the accurate propelling movement of bar cap fills a section of thick bamboo, improves sack packing apparatus's packing efficiency, improves sack packing apparatus's practicality and suitability.

Drawings

FIG. 1 is a schematic perspective view of a bag packing apparatus;

FIG. 2 is a schematic perspective view of a bagging mechanism;

FIG. 3 is an enlarged schematic view of portion A of FIG. 2;

fig. 4 is a perspective view of the distracting moving member;

FIG. 5 is a schematic perspective view of a receiving mechanism;

fig. 6 is an exploded view of the receiving mechanism.

Reference numerals: 1. a material receiving mechanism; 2. a bagging mechanism; 3. a charging barrel; 31. feeding a trough; 32. discharging groove; 4. a barrel moving mechanism; 41. a second frame; 42. a second guide bar; 43. a frame; 44. a driving member; 441. a baffle; 442. a rotating roller; 443. a transmission belt; 444. a press roller; 45. a third guide bar; 46. a riser; 47. a third cylinder; 5. the charging barrel drives the deformation mechanism; 51. an upper cylinder; 52. a lower cylinder; 53. an L-shaped plate; 54. a telescopic cylinder; 6. a first frame; 7. opening a bag piece; 71. a lifting table; 72. an upper absorbing member; 721. a cross plate; 722. an air suction plate; 73. a lower suction member; 731. a carriage; 732. a silica gel sucker; 8. a supporting moving member; 81. a first guide bar; 82. a moving rack; 83. a mechanical arm; 831. a hook; 832. a second cylinder; 84. a first cylinder; 85. a finger cylinder; 9. an extension frame; 91. a slide rail; 92. a conveyor belt; 10. and the pushing mechanism.

Detailed Description

In order to further describe the technical means and effects adopted by the present invention for achieving the intended purpose, the following detailed description will refer to the specific implementation, structure, characteristics and effects according to the present invention with reference to the accompanying drawings and preferred embodiments.

Referring to fig. 1 to 6, a bag packing apparatus according to the first embodiment includes a receiving mechanism 1 and a bagging mechanism 2, the receiving mechanism 1 includes a charging barrel 3 that is penetrated in front and back, the charging barrel 3 is disposed on a barrel moving mechanism 4, the barrel moving mechanism 4 may move horizontally and longitudinally along a horizontal plane, the barrel moving mechanism 4 includes a second frame 41, a plurality of second guide rods 42 are disposed between the second frame 41 in a longitudinal direction, a frame 43 for placing the charging barrel 3 is disposed between the second guide rods 42, a driving member 44 is disposed on an upper end surface of the frame 43, the driving member 44 drives the frame 43 to reciprocate along a length direction of the second guide rods 42, a plurality of third guide rods 45 are transversely disposed in the frame, a riser 46 is slidably connected to the third guide rods 45, a through hole is disposed in a middle portion of the riser 46, the charging barrel 3 penetrates through the through hole, a third cylinder 47 is fixedly disposed on a side of the frame, the third cylinder 47 pushes the charging barrel to move along the length direction of the third guide rods 45, the guide rods 3 are disposed on the side of the frame, and the bag opening is aligned with the bag opening 2 of the bag 2.

On the basis of the embodiment, the charging barrel 3 comprises an upper trough 31 and a lower trough 32 which are sleeved relatively, the upper trough 31 and the lower trough 32 surround an inner bin for forming charging, and the charging barrel driving deformation mechanism 5 can promote the upper trough 31 and the lower trough 32 to be separated or folded vertically relatively.

On the basis of the above embodiment, the bagging mechanism 2 includes a first frame 6 and a bag opening part 7 and a stretching moving part 8 which are arranged on the first frame 6, the bag opening part 7 includes a lifting table 71, a plurality of stacked bags are placed on the lifting table 71, an upper absorbing part 72 for absorbing the uppermost bag of the lifting table 71 is arranged above the lifting table 71, a lower absorbing part 73 for opening the bags absorbed on the upper absorbing part 72 is arranged on the side edge of the lifting table 71, and the stretching moving part 8 stretches the bags and moves the bags to the rear end of the loading drum 3 after separating the bags from the upper absorbing part 72.

On the basis of the above embodiment, the upper suction member 72 and the lower suction member 73 are both connected with a suction fixing machine, the upper suction member 72 includes a transverse plate 721 fixedly mounted below the opening moving member 8, a suction plate 722 is mounted in a manner that the middle of the transverse plate 721 extends downwards, a suction opening is provided at a position on the suction plate 722 corresponding to four corners of the packaging bag, and a contact switch is provided on an end surface of the transverse plate 721 facing the lifting table 71, wherein the contact switch is used for stopping the lifting table 71.

On the basis of the above embodiment, the lifting platform 71 is provided with an extension frame 9 on the same side, the extension frame 9 is provided with a sliding rail 91 and a conveying belt 92, one side of the conveying belt 92 is driven by a servo motor, the lower suction member 73 includes a pair of sliding frames 731 and a silica gel sucker 732 disposed on the sliding frames 731, the sliding frames 731 are slidably connected with the sliding rail 91, one sliding frame 731 is fixedly mounted on one side of the conveying belt 92, and the other sliding frame 731 is fixedly mounted on the other side of the conveying belt 92.

On the basis of the embodiment, the opening moving member 8 comprises a plurality of first guide rods 81 arranged between the first frame 6 and the material receiving mechanism 1, a moving frame 82 is arranged between the plurality of first guide rods 81, the moving frame 82 is driven by a first air cylinder 84 to reciprocate along the length direction of the first guide rods 81, a pair of mechanical arms 83 and a finger air cylinder 85 for driving the pair of mechanical arms 83 to transversely open along the horizontal plane are arranged on the moving frame 82, the mechanical arms 83 comprise a second air cylinder 832 and hooks 831, one side edge of each hook 831 extends and hinges at the end part of a piston rod of the second air cylinder 832, one side edge of each hook 831 extends and hinges on the moving frame 82, and each hook 831 is driven by the second air cylinder 832 to rotate along the hinge point to hook at the opening of a packaging bag.

On the basis of the above embodiment, the driving member 44 includes a baffle 441 extending upward from the upper end surface of the frame 43, a driving motor is disposed on one side of the baffle 441, a driving rod of the driving motor penetrates through the baffle 441 and is connected with a rotating roller 442, a driving belt 443 is disposed on the rotating roller 442, two ends of the driving belt 443 are respectively and fixedly mounted on the second frame 41, a pressing roller 444 symmetrically disposed with the rotating roller 442 as a center is disposed on the baffle 441, and the pressing roller 444 abuts against the driving belt 443.

On the basis of the embodiment, the barrel driving deformation mechanism 5 comprises an upper air cylinder 51 and a lower air cylinder 52 which are fixedly installed on the vertical plate 46, an L-shaped plate 53 is fixedly installed between the end part of a piston rod of the upper air cylinder 51 and the upper trough 31, the end part of the piston rod is fixedly installed on the upper end surface of the upper trough 31, and the end part of the piston rod of the lower air cylinder 52 is fixedly installed on the lower end surface of the lower trough 32.

On the basis of the embodiment, the L-shaped plate 53 is provided with a telescopic cylinder 54 for abutting the upper end face of the packaging bag against the upper end face of the charging barrel 3.

On the basis of the above embodiment, the pushing mechanism 10 is further included.

The improvement is specifically as follows: as shown in fig. 1 to 6: the bag packing device comprises a receiving mechanism 1 and a bagging mechanism 2, the receiving mechanism 1 comprises a charging barrel 3 which is penetrated in the front and the back, the charging barrel 3 is arranged on a charging barrel moving mechanism 4, the charging barrel moving mechanism 4 comprises a second rack 41, a plurality of second guide rods 42 are arranged between the longitudinal directions of the second rack 41, a frame 43 for placing the charging barrel 3 is arranged between the second guide rods 42, a driving piece 44 is arranged on the upper end face of the frame 43, the driving piece 44 comprises a baffle 441 which is arranged on the upper end face of the frame 43 in an extending mode, a driving motor is arranged on one side of the baffle 441, a driving rod penetrating baffle 441 of the driving motor is connected with a rotating roller 442, a driving belt 443 is arranged on the rotating roller 442, two ends of the driving belt 443 are respectively and fixedly arranged on the second rack 41, a pressing roller 444 which is symmetrically arranged with the rotating roller 442 as a center, when the rotating roller 442 rotates, the driving belt 443 is fixed, the whole frame 43 and the driving motor move along the second guide rods 42 to realize the front and the back movement of the charging barrel 3, a plurality of third guide rods 45 are arranged in the transverse direction in the frame 43, a third guide rods 45 are connected with a sliding plate 46 on the third guide rods 45, a third guide rod 46 is arranged on the left side wall 45 and a third vertical wall 45 is arranged on the side wall of the cylinder 45, and the third guide rod 45 is arranged on the cylinder 3, and the third vertical wall 45 is arranged on the side of the cylinder 3, and the cylinder 45 is corresponding to the cylinder 3 and the cylinder is arranged on the side of the cylinder 3, and the cylinder 3 and the cylinder 3 is moved to the cylinder and the cylinder 3 is arranged;

the bagging mechanism 2 comprises a first frame 6 and a bag opening part 7 and a stretching moving part 8 which are arranged on the first frame 6, wherein the bag opening part 7 comprises a lifting table 71, the lifting table 71 is driven by a motor to realize lifting of a table top, a plurality of layers of stacked packaging bags are placed on the lifting table 71, an upper adsorption part 72 for adsorbing the packaging bag on the uppermost layer of the lifting table 71 is arranged above the lifting table 71, an extension frame 9 is arranged on the side edge of the lifting table 71, the extension frame 9 and the lifting table 71 are synchronously lifted, a slide rail 91 and a conveying belt 92 are arranged on the extension frame 9, the conveying belt 92 is driven by a servo motor at one side, a lower adsorption part 73 is arranged on the slide rail 91 and the conveying belt 92, the lower adsorption part 73 is used for opening the packaging bag adsorbed on the upper adsorption part 72, the lower adsorption part 73 comprises a pair of sliding frames 731 and a silica gel sucker 732 arranged on the sliding frames 731, the sliding frames 731 are all in sliding connection with the sliding rail 91, one sliding frame 731 is fixedly arranged on one side of the conveying belt 92, the other sliding frame 731 is fixedly arranged on the other side of the conveying belt 92, the upper absorbing piece 72 and the lower absorbing piece 73 are both connected with an air suction motor, electromagnetic valve control is arranged, the upper absorbing piece 72 comprises a transverse plate 721 fixedly arranged below the opening moving piece 8, an air suction plate 722 is arranged in the middle of the transverse plate 721 in a downward extending mode, air suction openings are arranged on the air suction plate 722 at positions corresponding to four corners of the packaging bag, contact switches are arranged on the end faces of the transverse plate 721 towards the lifting table 71, when the motor drives the lifting table 71 to ascend, the contact switches are in contact with the end faces of the lifting table 71, the lifting table 71 is stopped through the contact switches, when the upper absorbing piece 72 absorbs the packaging bag, the lower absorbing piece 73 is not started and is staggered with the lifting table 71, namely, the silica gel suckers 732 are arranged on the two sides of the lifting table 71, when the packaging bag is adsorbed on the suction plate 722, the lower adsorption piece 73 is started, the driving motor rotates, the conveying belt 92 rotates to drive the sliding frame 731 to move relatively along the length direction of the sliding rail 91, the silica gel sucker 732 moves to the position right below the suction opening, the sliding bracket clamps the multi-layer packaging bag on the lifting table 71 between the sliding bracket and the lifting table 71, the silica gel sucker 732 and the lifting table 71 ascend to adsorb the adsorption piece on the lower end surface of the packaging bag of the suction plate 722, the opening of the packaging bag is opened when the packaging bag descends, and the opening-opening moving piece 8 opens the packaging bag with the opening and moves to the rear end of the charging barrel 3 after being separated from the upper adsorption piece 72;

the expanding moving member 8 comprises a plurality of first guide rods 81 arranged between the first frame 6 and the material receiving mechanism 1, a moving frame 82 is arranged between the plurality of guide rods, the moving frame 82 is driven by a first air cylinder 84 to reciprocate along the length direction of the first guide rods 81, a pair of mechanical arms 83 and finger air cylinders 85 for driving the mechanical arms 83 to transversely expand along a horizontal plane are arranged on the moving frame 82, each mechanical arm 83 comprises a second air cylinder 832 and a hook 831, the upper part of one side of the hook 831 extends and is hinged to the end part of a piston rod of the second air cylinder 832, the lower part of one side of the hook 831 extends and is hinged to the moving frame 82, firstly, the piston rod of the second air cylinder 832 moves forwards, the hook 831 rotates downwards along the hinge point hinged to the moving frame 82, the hook 831 is hooked at the opening of a packaging bag, the opening of the packaging bag is transversely expanded by the finger air cylinders 85, the packaging bag is also transversely expanded along the first air cylinders 84, the packaging bag 82 is driven by the first air cylinders 81 to be separated from the suction plate 722, and the packaging bag is moved to the rear end part of the material receiving cylinder 3;

the charging barrel 3 comprises an upper trough 31 and a lower trough 32 which are sleeved relatively, the upper trough 31 and the lower trough 32 surround an inner bin for forming charging, the upper trough 31 and the lower trough 32 are provided with a barrel driving deformation mechanism 5 which can enable the upper trough 31 and the lower trough 32 to be separated vertically or folded vertically, when the rear end opening of the charging barrel 3 is sleeved, the barrel driving deformation mechanism 5 drives the charging barrel 3 to be in a folded state, the packaging bag is sleeved conveniently, after the packaging bag is sleeved, the charging barrel 3 is driven to be in a separated state by the barrel driving deformation mechanism 5, the barrel driving deformation mechanism 5 comprises an upper cylinder 51 and a lower cylinder 52 which are fixedly arranged on a vertical plate 46, an L-shaped plate 53 is fixedly arranged between the piston rod end of the upper cylinder 51 and the upper trough 31 and fixedly arranged on the upper end surface of the upper trough 31 with the piston rod end of the upper trough, the piston rod end of the lower cylinder 52 is fixedly arranged on the lower end surface of the lower trough 32, a telescopic cylinder 54 is arranged on the L-shaped plate 53, the upper end surface of the piston rod is driven to extend downwards, the upper end surface of the packaging bag is prevented from being separated from the rear end opening of the charging barrel 3, and the packaging bag is prevented from being separated from the output opening of the charging barrel 3 by the packaging bag through the movement of the barrel moving mechanism 4, and the pushing mechanism 10 is not aligned with the output opening of the charging barrel 3 by the pushing mechanism (the pushing mechanism is not a material pushing mechanism 10) due to the prior art).

Although the present invention has been described in terms of the preferred embodiments, it should be understood that the present invention is not limited to the specific embodiments, but is capable of numerous modifications and equivalents, and alternative embodiments and modifications of the embodiments described above, without departing from the spirit and scope of the present invention.

Claims (10)

1. The utility model provides a sack packing apparatus, includes receiving mechanism (1) and cover bag mechanism (2), its characterized in that: the material receiving mechanism (1) comprises a charging barrel (3) which is communicated back and forth, the charging barrel (3) is arranged on a barrel moving mechanism (4), the barrel moving mechanism (4) can move transversely and longitudinally along a horizontal plane, the barrel moving mechanism (4) comprises a second rack (41), a plurality of second guide rods (42) are arranged between the second rack (41) and the longitudinal direction, a frame (43) for placing the charging barrel (3) is arranged between the second guide rods (42), a driving piece (44) is arranged on the upper end face of the frame (43), the driving piece (44) drives the frame (43) to reciprocate along the length direction of the second guide rods (42), a plurality of third guide rods (45) are transversely arranged in the bracket, a vertical plate (46) is connected onto the third guide rods (45) in a sliding mode, a through hole is formed in the middle of the vertical plate (46), a third cylinder (47) is fixedly arranged on the side edge of the bracket, the third cylinder (47) pushes the charging barrel (3) to move along the length direction of the third guide rods (42), the charging barrel (45) is aligned with the charging barrel (5), the packaging bag opening which is opened by the bagging mechanism (2) is sleeved at the rear port of the charging barrel (3).

2. A bag packing apparatus according to claim 1, wherein: the charging barrel (3) comprises an upper trough (31) and a lower trough (32) which are sleeved relatively, the upper trough (31) and the lower trough (32) are surrounded to form an inner bin for charging, and the charging barrel driving deformation mechanism (5) can enable the upper trough (31) and the lower trough (32) to be vertically separated or folded relatively.

3. A bag packing apparatus according to claim 1 or 2, wherein: the bagging mechanism (2) comprises a first rack (6) and a bag opening part (7) and a stretching moving part (8) which are arranged on the first rack (6), wherein the bag opening part (7) comprises a lifting table (71), a plurality of layers of stacked packaging bags are placed on the lifting table (71), an upper adsorption part (72) for adsorbing the uppermost packaging bag of the lifting table (71) is arranged above the lifting table (71), a lower adsorption part (73) for opening the packaging bag adsorbed on the upper adsorption part (72) is arranged on the side edge of the lifting table (71), and the stretching moving part (8) stretches the packaging bag and moves the packaging bag away from the upper adsorption part (72) to the rear end of the charging barrel (3).

4. A bag packing apparatus according to claim 3, wherein: the upper adsorption piece (72) and the lower adsorption piece (73) are both connected with an air suction stator, the upper adsorption piece (72) comprises a transverse plate (721) fixedly installed below a supporting moving piece (8), an air suction plate (722) is installed in the middle of the transverse plate (721) in a downward extending mode, an air suction opening is formed in the position, corresponding to four corners of a packaging bag, of the air suction plate (722), a contact switch is arranged on the end face, facing to the lifting table (71), of the transverse plate (721), and the contact switch is used for stopping the lifting table (71).

5. A bag packing apparatus according to claim 4, wherein: the lifting table (71) is provided with an extension frame (9) on the same side, a slide rail (91) and a conveying belt (92) are arranged on the extension frame (9), one side of the conveying belt (92) is driven by a servo motor, the lower suction part (73) comprises a pair of slide frames (731) and a silica gel sucker (732) arranged on the slide frames (731), the slide frames (731) are slidably connected with the slide rail (91), one side of one slide frame (731) is fixedly arranged on one side of the conveying belt (92), and the other slide frame (731) is fixedly arranged on the other side of the conveying belt (92).

6. A bag packing apparatus according to claim 5, wherein: the opening moving part (8) comprises a plurality of first guide rods (81) arranged between a first frame (6) and a receiving mechanism (1), a moving frame (82) is arranged between the plurality of first guide rods (81), the moving frame (82) is driven by a first air cylinder (84) to reciprocate along the length direction of the first guide rods (81), a pair of mechanical arms (83) and a pair of finger air cylinders (85) for driving the pair of mechanical arms (83) to transversely open along a horizontal plane are arranged on the moving frame (82), the mechanical arms (83) comprise a second air cylinder (832) and a hook (831), one side edge upper portion of the hook (831) extends and hinges the end portion of a piston rod of the second air cylinder (832), one side edge lower portion extends and hinges on the moving frame (82), and the hook (831) is driven by a second air cylinder (832) to rotate along a hinge point to hook at an opening of a packaging bag.

7. The bag packing apparatus of claim 6, wherein: the driving piece (44) comprises a baffle (441) which is arranged on the upper end face of the frame (43) in an upward extending mode, a driving motor is arranged on one side of the baffle (441), a driving rod of the driving motor penetrates through the baffle (441) to be connected with a rotating roller (442), a driving belt (443) is arranged on the rotating roller (442), two ends of the driving belt (443) are respectively and fixedly arranged on the second frame (41), a compression roller (444) which is symmetrically arranged by taking the rotating roller (442) as a center is arranged on the baffle (441), and the compression roller (444) abuts against the driving belt (443).

8. The bag packing apparatus of claim 7, wherein: the charging barrel driving deformation mechanism (5) comprises an upper air cylinder (51) and a lower air cylinder (52) which are fixedly arranged on a vertical plate (46), an L-shaped plate (53) is fixedly arranged between the end part of a piston rod of the upper air cylinder (51) and the upper end surface of the upper material groove (31) and fixedly arranged with the end part of the piston rod, and the end part of the piston rod of the lower air cylinder (52) is fixedly arranged on the lower end surface of the lower material groove (32).

9. The bag packing apparatus of claim 8, wherein: the L-shaped plate (53) is provided with a telescopic cylinder (54) which tightly presses the upper end face of the packaging bag against the upper end face of the charging barrel (3).

10. The bag packing apparatus of claim 9, wherein: also comprises a pushing mechanism (10).

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