CN209757669U - Lower-suction column type swing arm bag feeding device - Google Patents

Abstract

The utility model relates to the field of packaging, it is specific to inhale upright column type swing arm bagging apparatus down. The bag lifting device comprises a bag supporting device, a downdraft lifting device and a swing arm device, wherein the downdraft lifting device is arranged below the bag supporting device, and the swing arm device is arranged at the front end of the bag supporting device; the bag supporting device is provided with a bag groove, and a bag is placed in the bag groove; the downdraft lifting device can lift, a sucker is arranged on the downdraft lifting device and located below the bag groove, and the sucker lifts along with the downdraft lifting device to adsorb the bag; the swing arm device is provided with a flat bag clamp, the flat bag clamp swings along with the swing arm device, and the flat bag clamp clamps bags on the suckers to swing. The utility model discloses swing arm device is small and exquisite succinct, go up bag steady, design benefit, uses and can increase substantially production efficiency for bag packaging machine for production speed.

Description

Lower-suction column type swing arm bag feeding device

Technical Field

The utility model relates to the field of packaging, it is specific to inhale upright column type swing arm bagging apparatus down.

background

With the rapid development of the food industry, more and more manufacturers have higher and higher requirements on mechanization inside factories. The bag-type packaging machine is favored by customers by virtue of the advantages of excellent performance, simple operation, high packaging speed and the like. In the construction of bag-feeding packaging machines, the upper bag portion is particularly important, which directly determines the production efficiency and packaging quality of the packaging machine. For this reason, the development of the structure at the bag feeding place is an important item in the bag type packing machine. The utility model discloses combine the actual production condition, for satisfying the customer to the convenient sack of filling of last bag part, when changing the wrapping bag width adjust simple and easy, pleasing to the eye waiting requirement, develop the downdraft swing arm and go up the bag.

Disclosure of Invention

In order to perfect the technical defect who gives bag package machine at last bag department structure, the utility model discloses lower suction column swing arm goes up bagging apparatus, complex operation, packing speed are slower when filling the wrapping bag in the solution actual production, production efficiency hangs down the scheduling problem.

The utility model provides a technical scheme that its technical problem adopted is: the downdraft column type swing arm bagging device comprises a bag supporting device, a downdraft lifting device and a swing arm device, wherein the downdraft lifting device is arranged below the bag supporting device, and the swing arm device is arranged at the front end of the bag supporting device; the bag supporting device is provided with a bag groove, and a bag is placed in the bag groove; the downdraft lifting device can lift, a sucker is arranged on the downdraft lifting device and located below the bag groove, and the sucker lifts along with the downdraft lifting device to adsorb the bag; the swing arm device is provided with a flat bag clamp, the flat bag clamp swings along with the swing arm device, and the flat bag clamp clamps bags on the suckers to swing.

The bag supporting device comprises two supporting stand columns, a table top, supporting plates, bag baffles, a screw rod assembly, a guide assembly and a back support plate, wherein the two supporting stand columns are arranged at the lower end of the table top, the table top is a square frame, the number of the supporting plates is two, the two supporting plates are longitudinally arranged side by side and are arranged on the table top at intervals, the two bag baffles are vertically and vertically arranged on the supporting plates respectively, the back support plate is positioned between the two supporting plates and comprises the back baffle and the guide plate, the back baffle is vertically and vertically arranged on the guide plate, the guide plate longitudinally and horizontally extends to the table top, and the guide plate is connected with the table top through bolts; the two bag baffles and the rear baffle form a bag slot; the lead screw assembly and the guide assembly are transversely arranged on the table top side by side.

Further, the bag baffle comprises a guardrail plate and an extension plate, and the guardrail plate and the extension plate are vertically arranged; the guardrail plate is provided with three connecting pieces which are arranged at certain intervals, the connecting pieces are perpendicular to the guardrail plate and positioned outside the bag grooves, and the connecting pieces are fixed on the supporting plate through bolts; the extension board extends towards the bag groove direction, and the width of the extension board is smaller than the width of the 1/2 bag groove.

Further, the screw rod assembly comprises a screw rod, a guide rail copper sleeve and an adjusting hand wheel; two guide rail copper sleeves are respectively arranged at the lower end of the supporting plate; the lead screw is transversely fixed at the lower end of the table board, passes through the two guide rail copper sleeves, is fixed at the lower end of the table board at two ends, and is fixed at one end of the lead screw by the adjusting hand wheel; the lead screw is provided with a positive thread and a negative thread, and the inner surfaces of the two guide rail copper sleeves are respectively provided with an internal thread matched with the positive thread and the negative thread.

Further, the guide assembly comprises guide rods and two guide copper sleeves, the guide rods are arranged in parallel with the lead screw, the two guide copper sleeves are respectively fixed below the supporting plate, the guide rods penetrate through the two guide copper sleeves, and two ends of each guide rod are fixed at the lower end of the table top; the guide assemblies are two groups, and the two groups of guide assemblies are located on two sides of the screw rod assembly.

Further, downdraft elevating gear includes eccentric wheel, lift axle, ┙ type connecting plate, T template, the eccentric wheel drives the up-and-down motion of lift axle, ┙ type connecting plate is installed on the lift axle, T template horizontal installation is fixed on ┙ type connecting plate, the T template includes horizontal plate and vertical board, all installs the sucking disc at horizontal plate and vertical board, the T template is located the below of pocket, the sucking disc is along with lift axle up-and-down motion, inhale the sack that the absorption pocket inslot rose.

Furthermore, a plurality of arc-shaped grooves are formed in the transverse plate and the longitudinal plate, the lower end of the sucker is connected with a sucker air pipe, and the sucker air pipe is fixed in the arc-shaped grooves.

Further, the swing arm device comprises a bracket, a pull rod, a rotating shaft swing rod, a swing arm rotating part, an upper bag small arm and a connecting rod; one end of a pull rod is movably hinged to a rotating shaft swing rod, the other end of the rotating shaft swing rod is hinged to a rotating shaft, the rotating shaft is installed on a rotating shaft seat, the rotating shaft seat is fixed on a support, one end of a swing arm rotating piece is hinged to the rotating shaft, the other end of the swing arm rotating piece is movably hinged to the middle rear position of the upper bag small arm, and the rotating shaft swing rod, the swing arm rotating piece and the rotating shaft are in interference fit; the tail end of the upper bag small arm is movably hinged to a connecting rod, the other end of the connecting rod is movably hinged to the bracket, and a movable hinge point is positioned above the rotating shaft seat; the pull rod is driven by an eccentric wheel at the lower end to move up and down.

Further, a bag clamping cylinder is mounted on the non-hinged side face of the upper bag small arm, the bag clamping cylinder is arranged in parallel with the upper bag small arm, the rear end of the bag clamping cylinder is fixed on the upper bag small arm, the front end of the bag clamping cylinder is movably hinged to one end of the flat bag clamp rotating shaft, the front section of the upper bag small arm is provided with a hinged point, the other end of the flat bag clamp rotating shaft is movably hinged to the hinged point of the front section of the upper bag small arm, and the other end of the flat bag clamp rotating shaft is also connected with an upper clamping plate; a lower clamping plate is arranged at the lower end of the front section of the upper small arm, the upper clamping plate is matched with the lower clamping plate, and the upper clamping plate and the lower clamping plate are called a flat bag clamp; the horizontal reciprocating motion of bag clamping cylinder drives the flat bag clamp rotating shaft to rotate around the hinge point of the front section of the upper bag small arm, the rotation of the flat bag clamp rotating shaft drives the upper clamping plate to rotate, and the rotation of the upper clamping plate realizes the clamping and the loosening with the lower clamping plate.

Furthermore, a first limiting block and a second limiting block are further arranged on the support, the first limiting block limits the swing arm rotating piece to rotate towards the left side infinitely, and the upper bag small arm is in a horizontal state when the first limiting block limits the position; the second limiting block limits the swing arm rotating piece to rotate towards the right side infinitely, the upper bag small arm is in a vertical state when the second limiting block is limiting, and the upper clamping plate and the lower clamping plate clamp the bag on the sucker.

The utility model provides a lower inhale column swing arm bagging apparatus has simple structure, pleasing to the eye, can accomplish the packing of sack under the circumstances of not shutting down, can carry out quick adjustment through adjusting hand wheel to the sack of different bag widths. The utility model discloses swing arm device is small and exquisite succinct, go up bag steady, design benefit, uses and can increase substantially production efficiency for bag packaging machine for production speed.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a schematic view of the overall structure of the bag feeding operation of the present invention;

FIG. 2 is a schematic view of the overall structure of the bag clamping operation of the present invention;

Fig. 3 is a schematic structural view of the bag supporting device 1 of the present invention;

fig. 4 is a schematic structural view of the downdraft lifting device 2 of the present invention;

Fig. 5 is a schematic structural view of the swing arm device 3 of the present invention;

Fig. 6 is a schematic diagram of the local enlarged structure of the swing arm device 3 of the present invention.

Detailed Description

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

in the description of the present invention, it should be noted that, unless otherwise explicitly stated or limited, the terms "connected," "mounted," and "fixed" are to be construed broadly, and those skilled in the art can understand the specific meaning of the above terms in the present invention in a specific manner.

As shown in fig. 1-2, the downdraft column type swing arm bagging device comprises a bag supporting device 1, a downdraft lifting device 2 and a swing arm device 3. In order to realize the actions of bag feeding and bag conveying, the downdraft type lifting device 2 is arranged below the bag supporting device 1, the swing arm device 3 is arranged at the front end of the bag supporting device 1, and the principle that the bag is stored in the bag supporting device 1, the downdraft type lifting device 2 adsorbs the bag, and the swing arm device 3 clamps the bag and conveys the bag to the next operation is adopted.

As shown in fig. 3, to realize the bag feeding process of the bag supporting device 1, more specifically:

The bag supporting device 1 comprises a supporting upright post 11, a table top 12, a supporting plate 13, a bag baffle 14 and a rear supporting plate 15.

The number of the supporting columns 11 is two, and the two supporting columns 11 are dispersedly arranged at the lower end of the table top 12 to play a supporting role. The table top 12 is a square frame and includes four plates a, b, c, and d, where a and c are width plates and b and d are length plates.

And two supporting plates 13 are arranged on the table top 12, the two supporting plates 13 are parallel to the b and d length plates, and the two supporting plates 13 are arranged on the table top 12 side by side in the longitudinal direction at intervals. Two bag baffles 14 are arranged on the supporting plate 13, and the two bag baffles 14 are vertically arranged on the supporting plate 13 respectively.

The back resisting plate 15 is positioned between the two supporting plates, and the back resisting plate 15 and the two supporting plates are designed in a non-contact mode. The back support plate 15 comprises a back baffle 151 and a guide plate 150, the back baffle 151 is vertically perpendicular to the guide plate 150, and the back baffle 151 and the bag baffles on two sides form a bag slot e.

the guide plate 150 extends horizontally to the width plate a of the table top in the longitudinal direction and is fastened on the table top 12 through bolts, and the length direction of the bag slot e is adjusted by adjusting the bolt fastening position of the guide plate 150 on the table top 12.

The bag baffle 14 in this embodiment includes a balustrade panel 141 and an extension panel 142, and the balustrade panel 141 and the extension panel 142 are provided with an included angle of ninety degrees. The lower edge of guardrail board 141 is equipped with three connecting piece 140 of certain interval, and connecting piece 140 sets up with guardrail board 141 is perpendicular, and guardrail board 141 is vertical installation on layer board 13, and connecting piece 140 directly lies in the layer board 13 horizontally, and connecting piece 140 passes through the bolt fastening on layer board 13. It is emphasized that the link 140 is installed outside the pocket e. The extension board 142 extends towards the bag slot e, and the width of the extension board 142 is smaller than that of the 1/2 bag slot. In fact, the two extension plates 142, the two guardrail plates 141 and the rear baffle 151 form a bag slot e, and a step is also arranged in the bag slot e to prevent the bag from falling out of the bag slot e. The steps are essentially: the partial support plate inside the guardrail plate 141, the partial width plate c inside the extension plate 142, and the lower edge of the tailgate 151 extend partially in the direction of the pocket e.

The embodiment is also provided with a lead screw assembly 4 and a guide assembly 5 for adjusting the bag slot e in the transverse direction and the longitudinal direction so as to adjust the width and the length of the bag slot e to meet bags with different specifications and sizes.

The screw rod assembly 4 comprises a screw rod 41, a guide rail copper sleeve 42 and an adjusting hand wheel 43; two guide rail copper sleeves 42 are respectively arranged at the lower end of the supporting plate 13. The lead screw 41 is parallel to the width plate a of the table top, the lead screw 41 is transversely fixed at the lower end of the table top 12, the lead screw 41 penetrates through the two guide rail copper sleeves 42, two ends of the lead screw are fixed at the lower end of the table top 12, and the adjusting hand wheel 43 is fixed at one end of the lead screw 41. The width of the pocket e is adjusted by the rotation of the adjusting hand wheel 43, and the specific principle is as follows: the screw 41 is provided with a positive thread and a negative thread, and the inner surfaces of the two guide rail copper sleeves 42 are respectively provided with an internal thread matched with the positive thread and the negative thread. When the screw rod 41 is rotated through the adjusting hand wheel 43, the two supporting plates approach or separate from the guide rail copper sleeve, so that the approach and the separation of the bag baffle are achieved, and the width of the bag groove e is adjusted.

This embodiment still is equipped with direction subassembly 5, plays fine guide effect. The concrete structure includes guide bar 51, direction copper sheathing 52, guide bar 51 and lead screw 41 parallel arrangement, and direction copper sheathing 52 has two, and two direction copper sheathing 52 are fixed respectively in the below of layer board 13, and guide bar 51 passes two direction copper sheathing 52, the lower extreme at mesa 12 is fixed at the guide bar 51 both ends. The guide assemblies 5 in this embodiment are two sets, and the two sets of guide assemblies are located on two sides of the screw assembly 4.

In the pocket e, a bag is placed.

As shown in fig. 4, a downdraft type lifting device 2 is provided at the lower end of the bag holder 1 to transfer the bag in the bag slot e. The downdraft lifting device 2 comprises an eccentric wheel 21, a lifting shaft 22, an ┙ -shaped connecting plate 23 and a T-shaped plate 24. An eccentric 21 is installed at the lower end of a lifting shaft 22, a balance bar 20 is disposed between the eccentric 21 and the lifting shaft 22, the eccentric 21 acts on the balance bar 20, the other end of the balance bar 20 ascends or descends, and the lifting shaft 22 connected to the other end of the balance bar ascends and descends.

The ┙ -shaped connecting plate 23 is installed on the lifting shaft 22, the T-shaped plate 24 is horizontally installed and fixed on the ┙ -shaped connecting plate 23, and finally the T-shaped plate 24 moves up and down along with the lifting shaft.

The T-shaped plate 24 includes a transverse plate 241 and a longitudinal plate 242, and the suction cups 240 are mounted on both the transverse plate 241 and the longitudinal plate 242. The mounting of the suction cup 240 is: a plurality of arc grooves f are formed in the transverse plate 241 and the longitudinal plate 242, the lower end of the sucker 240 is connected with a sucker air pipe 2401, and the sucker air pipe 2401 is fixed in the arc grooves f.

The T-shaped plate 24 is located below the pocket e, and the suction cup 240 moves up and down along with the elevating shaft 22 to suck the bag located in the pocket e when the suction cup 240 ascends. When the suction cup 240 descends, the sucked bag is pulled out of the pocket e.

In order to protect the lifting shaft 22, the lifting shaft 22 is sleeved with a lifting upright 221 and a shield 222, the lifting upright 221 plays a supporting role, the shield 222 plays a protecting role, and the shield 222 is installed on the lifting upright 221. The clamping piece 25 is arranged at the lower end of the lifting shaft 22, one end of the clamping piece 25 clamps the lifting shaft 22, the guide sleeve 251 is arranged at the other end of the clamping piece 25, the guide shaft 252 is arranged in the guide sleeve, and the clamping piece 25, the guide sleeve 251 and the guide shaft 252 play a guiding role to prevent the direction deviation of the lifting column.

As shown in fig. 5-6, to realize the next station of the absorbed bag, the swing arm device 3 functions as: clip the bag on the sucking disc 240, through the swing arm motion, the bag transports next station along with carrying out the swing arm orbit, and its specific structure is as follows:

The swing arm device 3 comprises a bracket 31, a pull rod 32, a rotating shaft swing rod 33, a swing arm rotating piece 34, an upper bag small arm 35 and a connecting rod 36.

Support 31 stands in the front end of downdraft elevating gear 2, and the one end activity of pull rod 32 articulates on pivot pendulum rod 33, the other end of pivot pendulum rod 33 articulates in pivot 30, pivot 30 is installed on pivot seat 301, pivot seat 301 is fixed on support 31, swing arm rotates piece 34 one end and articulates in pivot 30, swing arm rotates the other end activity of piece 34 and articulates on last bag forearm 35's well back position, pivot pendulum rod 33, swing arm rotate piece 34 and pivot 30 all are interference fit. The tail end of the upper bag small arm 35 is movably hinged to a connecting rod 36, the other end of the connecting rod 36 is movably hinged to the bracket 31, and the movable hinge point is positioned above the rotating shaft seat 301; the pull rod 32 is driven by the eccentric wheel at the lower end to move up and down. The rotating shaft swing rod 33, the swing arm rotating piece 34, the upper bag small arm 35 and the connecting rod 36 form a linkage rod.

In order to realize the bag clamping action, a bag clamping cylinder 37 is arranged on the non-hinged side surface of the upper bag small arm 35, the bag clamping cylinder 37 is arranged in parallel with the upper bag small arm 35, the rear end of the bag clamping cylinder 37 is fixed on the upper bag small arm 35, the front end of the bag clamping cylinder 37 is movably hinged to one end of a flat bag clamp rotating shaft 38, the front section of the upper bag small arm 35 is provided with a hinged point, the other end of the flat bag clamp rotating shaft 38 is movably hinged to the hinged point on the front section of the upper bag small arm 35, and the other end of the flat bag clamp rotating shaft 38 is further connected with an upper clamping plate 391. A lower clamping plate 392 is arranged at the lower end of the front section of the upper bag small arm 35. The upper clamp 391 mates with the lower clamp 392, which together form the flat bag clamp 39. The horizontal reciprocating motion of the bag clamping cylinder 37 drives the flat bag clamp rotating shaft 38 to rotate around the hinge point of the front section of the upper bag small arm 35, the rotation of the flat bag clamp rotating shaft 38 drives the upper clamping plate 391 to rotate, and the rotation of the upper clamping plate 391 realizes the clamping and the loosening with the lower clamping plate 392.

In order to ensure the motion track of the swing arm device 3, the bracket 31 is further provided with a first limiting block 311 and a second limiting block 312, the first limiting block 311 limits the swing arm rotating member 34 to rotate to the left infinitely, the upper bag small arm 35 is in a horizontal state when the first limiting block 311 limits the position, and is at the starting point of the stroke. The second limit block 312 limits the swing arm rotating piece 34 to rotate to the right side infinitely, the upper bag small arm 35 is in a vertical state when the second limit block 312 limits, and the upper clamp plate 39 and the lower clamp plate 391 just clamp the bag on the suction cup 240.

Through the above description, at the beginning of the stroke, the upper bag small arm 35 is in the horizontal state when the first limit block 311 limits the stroke. When the pull rod 32 moves downwards, the swing rod 33 of the rotating shaft is driven to swing clockwise, and then the rotating shaft 30 is driven to rotate, the rotating shaft 30 rotates to drive the swing arm rotating piece 34 to swing anticlockwise, and then the upper small arm 35 is driven to rotate anticlockwise from a horizontal state to a vertical state. At this time, the bag clamping cylinder 37 is operated, the rotation of the bag flattening clamp rotating shaft 38 drives the upper clamp plate 391 to rotate, and the rotation of the upper clamp plate 391 realizes the clamping and the releasing with the lower clamp plate 392.

This implementation can set up the PLC controller according to operating condition, controls the operation of above-mentioned bag device 1, downdraft elevating gear 2, swing arm device 3, bag clamping cylinder 37, carries out the interoperation, plays better technological effect.

When the bag feeding device of the lower suction column type swing arm bag feeding device is used for feeding bags, the bags are placed in the bag groove e and are used for storage. The lifting shaft 22 realizes lifting reciprocating motion through the transmission of an eccentric wheel at the lower end, the sucking disc 240 is fixed on a sucking disc air pipe 2401, the sucking disc air pipe 2401 is fixed on a T-shaped plate 24, the T-shaped plate 24 is fixed on the lifting shaft 22, and the lifting shaft 22 sucks a bag and moves downwards when rising to the maximum stroke. At this time, the eccentric wheel below the swing arm device 3 drives the pull rod 32 to move downwards, the pull rod 32 drives the rotating shaft swing rod 33 to perform swing motion, the rotating shaft swing rod 33 drives the rotating shaft 30 to rotate, the rotating shaft swing rod 33 is clamped on the rotating shaft 30, so the swing arm rotating piece 34 drives the upper bag small arm 35 to rotate, the upper bag small arm 35 is limited by the connecting rod 36, and the front flat bag clamp 39 can swing downwards when the upper bag small arm 35 rotates. When the lifting shaft 22 descends to the lowest point of the stroke, the bag clamp 39 swings to the lowest point, the bag clamping cylinder 37 works to drive the bag clamp rotating shaft 38 to swing, and the bag clamp rotating shaft 38 drives the bag clamp 39 to realize a bag clamping function. The eccentric wheel below the swing arm device 3 drives the pull rod 32 to move upwards, and the flat bag clamp 39 moves reversely to reach the original position, so that the bags are conveyed to the next station, and one-time bag feeding is completed. The cycle continues to repeat the above actions.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims (10)

1. Inhale column swing arm bagging apparatus down, its characterized in that: the bag lifting device comprises a bag supporting device, a downdraft lifting device and a swing arm device, wherein the downdraft lifting device is arranged below the bag supporting device, and the swing arm device is arranged at the front end of the bag supporting device; the bag supporting device is provided with a bag groove, and a bag is placed in the bag groove; the downdraft lifting device can lift, a sucker is arranged on the downdraft lifting device and located below the bag groove, and the sucker lifts along with the downdraft lifting device to adsorb the bag; the swing arm device is provided with a flat bag clamp, the flat bag clamp swings along with the swing arm device, and the flat bag clamp clamps bags on the suckers to swing.

2. The lower suction column type swing arm bagging apparatus according to claim 1, wherein: the bag supporting device comprises two supporting stand columns, a table top, two supporting stand columns, bag baffles, a screw rod assembly, two guiding assemblies and two back supporting plates, wherein the two supporting stand columns are arranged at the lower end of the table top, the table top is a square frame, the two supporting plates are arranged side by side and longitudinally and are arranged on the table top at intervals, the two bag baffles are vertically arranged on the supporting plates respectively, the back supporting plates are positioned between the two supporting plates and comprise back baffles and guiding plates, the back baffles are vertically arranged on the guiding plates, the guiding plates longitudinally and horizontally extend onto the table top, and the guiding plates are connected with the table top through bolts; the two bag baffles and the rear baffle form a bag slot; the lead screw assembly and the guide assembly are transversely arranged on the table top side by side.

3. The lower suction column type swing arm bagging apparatus according to claim 2, wherein: the bag baffle comprises a guardrail plate and an extension plate, and the guardrail plate and the extension plate are vertically arranged; the guardrail plate is provided with three connecting pieces which are arranged at certain intervals, the connecting pieces are perpendicular to the guardrail plate and positioned outside the bag grooves, and the connecting pieces are fixed on the supporting plate through bolts; the extension board extends towards the bag groove direction, and the width of the extension board is smaller than the width of the 1/2 bag groove.

4. The lower suction column type swing arm bagging apparatus according to claim 2, wherein: the lead screw component comprises a lead screw, a guide rail copper sleeve and an adjusting hand wheel; two guide rail copper sleeves are respectively arranged at the lower end of the supporting plate; the lead screw is transversely fixed at the lower end of the table board, passes through the two guide rail copper sleeves, is fixed at the lower end of the table board at two ends, and is fixed at one end of the lead screw by the adjusting hand wheel; the lead screw is provided with a positive thread and a negative thread, and the inner surfaces of the two guide rail copper sleeves are respectively provided with an internal thread matched with the positive thread and the negative thread.

5. The lower suction column type swing arm bagging apparatus according to claim 2, wherein: the guide assembly comprises guide rods and two guide copper sleeves, the guide rods are arranged in parallel with the lead screw, the two guide copper sleeves are respectively fixed below the supporting plate, the guide rods penetrate through the two guide copper sleeves, and the two ends of each guide rod are fixed at the lower end of the table top; the guide assemblies are two groups, and the two groups of guide assemblies are located on two sides of the screw rod assembly.

6. The lower suction column type swing arm bagging apparatus according to claim 1, wherein: downdraft elevating gear includes eccentric wheel, lift axle, ┙ type connecting plate, T template, the eccentric wheel drives the up-and-down motion of lift axle, ┙ type connecting plate is installed at the lift epaxially, T template horizontal installation is fixed on ┙ type connecting plate, the T template includes horizontal board and vertical board, all installs the sucking disc at horizontal board and vertical board, the T template is located the below of pocket, the sucking disc is along with lift axle up-and-down motion, the sucking disc rises the sack of absorption pocket inslot.

7. The lower suction column type swing arm bagging apparatus according to claim 6, wherein: the transverse plate and the longitudinal plate are internally provided with a plurality of arc grooves, the lower end of the sucker is connected with a sucker air pipe, and the sucker air pipe is fixed in the arc grooves.

8. The lower suction column type swing arm bagging apparatus according to claim 1, wherein: the swing arm device comprises a bracket, a pull rod, a rotating shaft swing rod, a swing arm rotating piece, an upper bag small arm and a connecting rod; one end of a pull rod is movably hinged to a rotating shaft swing rod, the other end of the rotating shaft swing rod is hinged to a rotating shaft, the rotating shaft is installed on a rotating shaft seat, the rotating shaft seat is fixed on a support, one end of a swing arm rotating piece is hinged to the rotating shaft, the other end of the swing arm rotating piece is movably hinged to the middle rear position of the upper bag small arm, and the rotating shaft swing rod, the swing arm rotating piece and the rotating shaft are in interference fit; the tail end of the upper bag small arm is movably hinged to a connecting rod, the other end of the connecting rod is movably hinged to the bracket, and a movable hinge point is positioned above the rotating shaft seat; the pull rod is driven by an eccentric wheel at the lower end to move up and down.

9. The lower suction column swing arm bagging apparatus of claim 8, wherein: a bag clamping cylinder is arranged on the non-hinged side face of the upper bag small arm, the bag clamping cylinder is arranged in parallel with the upper bag small arm, the rear end of the bag clamping cylinder is fixed on the upper bag small arm, the front end of the bag clamping cylinder is movably hinged to one end of the flat bag clamp rotating shaft, the front section of the upper bag small arm is provided with a hinged point, the other end of the flat bag clamp rotating shaft is movably hinged to the hinged point of the front section of the upper bag small arm, and the other end of the flat bag clamp rotating shaft is also connected with an upper clamping plate; a lower clamping plate is arranged at the lower end of the front section of the upper small arm, the upper clamping plate is matched with the lower clamping plate, and the upper clamping plate and the lower clamping plate are called a flat bag clamp; the horizontal reciprocating motion of bag clamping cylinder drives the flat bag clamp rotating shaft to rotate around the hinge point of the front section of the upper bag small arm, the rotation of the flat bag clamp rotating shaft drives the upper clamping plate to rotate, and the rotation of the upper clamping plate realizes the clamping and the loosening with the lower clamping plate.

10. The lower suction column swing arm bagging apparatus of claim 8, wherein: the bracket is also provided with a first limiting block and a second limiting block, the first limiting block limits the swing arm rotating piece to rotate towards the left side infinitely, and the upper bag small arm is in a horizontal state when the first limiting block limits the position; the second limiting block limits the swing arm rotating piece to rotate towards the right side infinitely, the upper bag small arm is in a vertical state when the second limiting block is limiting, and the upper clamping plate and the lower clamping plate clamp the bag on the sucker.