CN215245891U

CN215245891U - Device capable of placing whole stack of plastic packaging bags and separating and conveying plastic packaging bags one by one

Info

Publication number: CN215245891U
Application number: CN202121123945.4U
Authority: CN
Inventors: 叶聪敏; 陈启贤; 陈勋杨; 吴伟杰; 张长乐; 洪志松; 王振委
Original assignee: Zhangzhou High Made E&m Co ltd
Current assignee: Zhangzhou High Made E&m Co ltd
Priority date: 2021-05-24
Filing date: 2021-05-24
Publication date: 2021-12-21
Anticipated expiration: 2031-05-24

Abstract

The utility model discloses a device which can place whole stacks of plastic packaging bags and separate and convey the bags one by one, comprising a frame, wherein the upper part of the frame is provided with a bag warehouse which can place the whole stacks of plastic packaging bags, the lower end of the bag warehouse is provided with a notch, and the plastic packaging bag which is placed in the bag warehouse and is positioned at the lowest part is exposed at the notch; a bag folding mechanism, a bag pumping mechanism and a bag conveying mechanism are arranged on the rack below the bag warehouse, the bag folding mechanism comprises a first rotating frame capable of rotating back and forth, a bag folding sucker is arranged on the first rotating frame, and the bag folding sucker can suck one plastic packaging bag exposed to the notch along with the rotation of the first rotating frame and then bend the plastic packaging bag; the bag drawing mechanism comprises a second rotating frame capable of rotating back and forth, the second rotating frame is provided with a bag clamping mechanism, and the bag clamping mechanism can clamp one end of the bent plastic packaging bag along with the rotation of the second rotating frame and draw the plastic packaging bag to place the plastic packaging bag on the bag conveying mechanism. The utility model discloses compact structure takes up an area of for a short time, and the action reliability is high.

Description

Device capable of placing whole stack of plastic packaging bags and separating and conveying plastic packaging bags one by one

Technical Field

The utility model belongs to the technical field of the equipment for packing manufacturing technique and specifically relates to a can place whole device that folds plastic packaging bag and separate the conveying one by one.

Background

Nowadays, in the packing of granular materials such as rice, mung bean, in order to improve packing efficiency, need use packagine machine, through packagine machine automatic weighing measurement, partial shipment irritate the material, the back material of weighing is through the plastic packaging bag of irritating material pipe packing. However, some conventional packaging machines generally feed bags manually, and the packaging mode of feeding bags manually needs to feed bags one by one, so that the labor intensity of operators is high, and the packaging efficiency of the packaging machine is often reduced because the manual bag feeding speed cannot keep up with the packaging speed of the packaging machine. Therefore, the bag feeding machine is urgently needed to be matched with the packaging machine for feeding bags in the market at present. A basic function to be performed by the bagging machine is to separate a stack of plastic bags one by one.

A technical scheme of a partial bagging machine is disclosed at present, for example, a chinese utility model patent application with application number 202011147558.4, named as "a bagging machine for rice packaging" is disclosed on 2021, 01, 05.month, and comprises a frame; locate frame one side for place the platform of placing of waiting to snatch the wrapping bag, locate place the manipulator of bench side, locate the transport mechanism of manipulator one side, be located the material loading platform of transport mechanism below, and be located material loading platform one side prop the bagging apparatus, transport mechanism with prop and be equipped with between the bagging apparatus and rub the subassembly with the hands, it is close to rub the subassembly with the hands the oral area position of wrapping bag with the hands, prop the bagging apparatus including propping a bag spare, prop a bag spare with rub the corresponding setting of subassembly with the hands, treat with the hands the subassembly with the realization it will to rub the wrapping bag back of rubbing open, prop a bag spare and can insert the oral area of wrapping bag. The application provides a go up a bag machine for automatic packing of rice can go up the bag automatically, and struts the sack automatically, and convenient subsequent rice filling improves rice packing machining efficiency. However, the bag feeding machine has the disadvantages of complex structure, large floor area and high manufacturing cost.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a can place whole device that folds plastic packaging bag and separate the conveying one by one, its compact structure, area is little, and the cost of manufacture is low, and the action reliability is higher.

In order to achieve the above purpose, the technical scheme of the utility model is that: a device capable of placing a whole stack of plastic packaging bags and separating and conveying the plastic packaging bags one by one comprises a rack, wherein a bag warehouse capable of placing the whole stack of plastic packaging bags is arranged at the upper part of the rack, a notch capable of drawing out the plastic packaging bags is arranged at the lower end of the bag warehouse, and the plastic packaging bag part which is placed in the bag warehouse and is positioned at the lowest position is exposed to the notch;

a bag folding mechanism, a bag pumping mechanism and a bag conveying mechanism are arranged on the rack below the bag warehouse, the bag folding mechanism comprises a first rotating frame which is pivoted on the rack and can rotate back and forth, a bag folding sucker is arranged on the first rotating frame, and the bag folding sucker can suck one plastic packaging bag exposed in the gap along with the rotation of the first rotating frame and then bend the plastic packaging bag;

the bag drawing mechanism comprises a second rotating frame which is pivoted on the rack and can rotate back and forth, a bag clamping mechanism is arranged on the second rotating frame, the bag clamping mechanism can clamp one end of the bent plastic packaging bag along with the rotation of the second rotating frame and pull the plastic packaging bag to place the plastic packaging bag on the bag conveying mechanism after the bag folding sucker loses suction force.

Preferably, the bag storehouse includes first inclined support plate and second inclined support plate, and first inclined support plate and second inclined support plate arrange into the splayed of falling roughly, are equipped with two baffles mutually perpendicular with first inclined support plate on the first inclined support plate, and when whole pile of plastic packaging bag was placed in the bag storehouse, first inclined support plate supported plastic packaging bag one side, and second inclined support plate supported plastic packaging bag lower extreme, and two baffles block the both sides of whole pile of plastic packaging bag, and the space between first inclined support plate lower extreme and the second inclined support plate lower extreme constitutes the breach. The bag warehouse is convenient for placing a whole stack of plastic packaging bags, is convenient to operate, and can store more plastic packaging bags.

The lower end part of the second inclined supporting plate is provided with a row of soft brushes or a row of soft brushes is arranged on the machine frame close to the lower end part of the second inclined supporting plate; the row of soft brushes are generally parallel to the first inclined support plate, and the row of soft brushes block the end part of the plastic packaging bag positioned at the lowest part. The brush blocks the plastic packaging bags, so that the plastic packaging bags are prevented from being adhered by static electricity, and the reliability of separating the plastic packaging bags one by one is further improved.

The improved structure is characterized in that the outer side of each baffle is fixedly connected with one end of each of two support rods, the other ends of the two support rods penetrate through the first inclined support plate and are fixedly connected onto one support, the rear side of the first inclined support plate is pivoted with a screw rod through two shaft seats, a nut is fixedly connected onto each support, the nuts are matched on the screw rods, and the two supports of the rotating screw rod drive the two baffles to be close to or away from each other through the two support rods respectively. The distance between the two baffle plates is adjustable, and the baffle plates can adapt to plastic packaging bags with different specifications so as to improve the general performance of equipment.

Preferably, the included angle between the first inclined support plate and the second inclined support plate is 80-100 degrees; it is further preferred that the first inclined support plate and the second inclined support plate have an included angle of 90 °. The included angle between the first inclined supporting plate and the horizontal plane is 45-55 degrees. It is further preferred that the first inclined support plate has an angle of 50 ° to the horizontal. Therefore, the whole stack of plastic packaging bags can be conveniently placed, and the single plastic packaging bag can be conveniently drawn out.

In a further improvement, the first rotating frame is driven by a first air cylinder to rotate back and forth; a third rotating frame is further arranged on the rack below the bag warehouse, the middle part of the third rotating frame is pivoted on the rack, one end of the third rotating frame is provided with a leveling rod, and the other end of the third rotating frame is connected with the second rotating frame through a driving rod; the third rotating frame is driven by a second cylinder to rotate back and forth, the third rotating frame pulls the second rotating frame to rotate back and forth through a driving rod, or the second rotating frame is driven by the second cylinder to rotate back and forth, and the second rotating frame pulls the third rotating frame to rotate back and forth through the driving rod; in the process of pulling the plastic packaging bag by the bag clamping mechanism, the leveling rod rotates along with the third rotating frame to abut against the plastic packaging bag and gradually level the plastic packaging bag, so that the plastic packaging bag is flatly paved on the bag conveying mechanism. Through dial flat pole dial flat both being convenient for make the plastic packaging bag tiling fall into and send a bag mechanism on, can assist bag clamping mechanism pull plastic packaging bag again, promote plastic packaging bag's separating velocity greatly, promote the operating efficiency of whole device.

Preferably, the bag clamping mechanism comprises a shell which is fixedly connected with a bag clamping cylinder of the second rotating frame, a fixed clamping jaw is fixedly connected to the shell of the bag clamping cylinder, a piston rod of the bag clamping cylinder is hinged to one end of the movable clamping jaw, the middle of the movable clamping jaw is hinged to one end of a connecting rod, the other end of the connecting rod is hinged to the middle of the fixed clamping jaw, and the fixed clamping jaw and the movable clamping jaw are matched to clamp one end of the plastic packaging bag.

The plastic packaging bag is further improved, a first clamping plate is arranged on the fixed clamping jaw, a second clamping plate is arranged on the movable clamping jaw, and the first clamping plate and the second clamping plate are matched to clamp one end of the plastic packaging bag. Rubber strips are respectively arranged on the end faces of the first clamping plate and the second clamping plate, one end of the plastic packaging bag is clamped through the two rubber strips, the clamping reliability is improved, and the plastic packaging bag can be well protected.

The improved structure is characterized in that a bottom frame is arranged below the rack, two parallel guide rails are arranged on the bottom frame, the lower end of the rack is erected on the two guide rails, and the rack can move along the guide rails under the driving of a driving part. This allows the parts to be displaced for easy cooperation with the packaging machine.

The bag conveying mechanism is a horizontally arranged conveying belt, and a bag blocking mechanism, a straightening mechanism, a bag opening mechanism and a bag feeding mechanism are further arranged on a rack at the output end of the bag conveying mechanism; the bag blocking mechanism blocks one end of an opening of the plastic packaging bag, the straightening mechanism pushes the two sides of the plastic packaging bag to straighten the plastic packaging bag, the bag opening mechanism is provided with an upper bag opening sucker and a lower bag opening sucker, the bag opening mechanism opens the bag opening of the plastic packaging bag through the upper bag opening sucker and the lower bag opening sucker, the bag opening mechanism is provided with two support rods capable of moving in opposite directions, and one ends of the two support rods are inserted into the bag opening of the plastic packaging bag through bag opening pieces, support the plastic packaging bag and then drive the plastic packaging bag to rotate and move. Therefore, the opening and the bag loading of the plastic packaging bag opening can be further realized, and the automation level is further improved.

The utility model discloses because the upper portion of frame is equipped with the bag storehouse that can place whole pile of plastic packaging bag, then is equipped with in the frame below the bag storehouse and rolls over a bag mechanism, takes out a bag mechanism and send a bag mechanism, overall structure is compact, and area is little, convenient operation, the cost of manufacture is also lower.

On the other hand, the bag folding sucker can suck one plastic packaging bag exposed to the notch along with the rotation of the first rotating frame, then the plastic packaging bag is bent, and the bag clamping mechanism pulls the plastic packaging bag to place the plastic packaging bag on the bag conveying mechanism. The mode of clamping and pulling is adopted, and the reliability of separating the plastic packaging bags one by one is higher.

The utility model discloses can not only be used for the plastic packaging bag to separate the conveying one by one, can also be applied to the separation conveying with other kinds of wrapping bags that plastic packaging bag nature is close.

Drawings

FIG. 1 is a perspective view of a first embodiment of the present invention;

FIG. 2 is a view in the direction A of FIG. 1;

FIG. 3 is another perspective view of the first embodiment of the present invention;

FIG. 4 is a perspective view of the first embodiment of the present invention with the frame concealed and a plastic bag folded by the bag folding mechanism;

FIG. 5 is an enlarged view at B of FIG. 4;

FIG. 6 is a perspective view of the first embodiment of the present invention with the bag holding mechanism moved upwardly to hold a plastic bag;

FIG. 7 is an enlarged view at C of FIG. 6;

FIG. 8 is a perspective view of the first embodiment of the present invention with the frame concealed and the bag gripper moved downwardly to extract a plastic bag;

fig. 9 is a perspective view showing the interconnection of the third rotating frame, the second cylinder, the driving rod and the leveling rod according to the first embodiment of the present invention;

FIG. 10 is a front view of a second embodiment of the present invention;

fig. 11 is a rear view of a second embodiment of the present invention concealing the frame and chassis portions.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

First embodiment, as shown in fig. 1 to 9, an apparatus capable of placing a whole stack of plastic packaging bags and separating and conveying the plastic packaging bags one by one comprises a frame 1, wherein a bag storage 2 capable of placing the whole stack of plastic packaging bags 10 in an inclined manner is arranged at the upper part of the frame 1, a notch 20 capable of drawing out the plastic packaging bags 10 is arranged at the lower end of the bag storage 2, and the plastic packaging bags 10 which are placed at the lowest part of the bag storage 2 are partially exposed to the notch 20;

the bag storehouse 2 comprises a first inclined support plate 21 and a second inclined support plate 22, the first inclined support plate 21 and the second inclined support plate 22 are arranged in an inverted splayed shape, two baffle plates 23 perpendicular to the first inclined support plate 21 are mounted on the first inclined support plate 21, when the whole stack of plastic packaging bags 10 is placed in the bag storehouse 2, the first inclined support plate 21 supports one side of each plastic packaging bag 10, the second inclined support plate 22 supports the lower ends of the plastic packaging bags 10, the two baffle plates 23 block the two sides of the whole stack of plastic packaging bags 10, and a gap between the lower ends of the first inclined support plate 21 and the second inclined support plate 22 forms the notch 20.

A row of soft brushes 24 are arranged at the lower end part of the second inclined support plate 22, and the row of soft brushes 24 can also be arranged on the frame 1 close to the lower end part of the second inclined support plate 22; the row of soft bristles 24 is substantially parallel to the first inclined support plate 21, and the row of soft bristles 24 blocks the end of the lowermost plastic packaging bag 10.

The outer side of each baffle 23 is fixedly connected with one end of each of the two support rods 25, the other end of each of the two support rods 25 penetrates through the first inclined support plate 21 and is fixedly connected to one support 26, the rear side of the first inclined support plate 21 is pivoted with one screw 27 through the two shaft seats 211, each support 26 is fixedly connected with one nut, the nuts are matched on the screws 27, and the two supports 26 of the screws 27 are rotated to respectively drive the two baffles 23 to be close to or away from each other in opposite directions through the two support rods 25. Therefore, the distance between the two baffle plates 23 can be adjusted conveniently, the plastic packaging bags 10 with different specifications can be adapted conveniently, and the universality of the equipment is improved. One end of the screw 27 is fixedly connected with a hand wheel 271. It is convenient to turn the screw 27 manually.

The included angle between the first inclined support plate 21 and the second inclined support plate 22 may be 90 °, and the included angle between the first inclined support plate 21 and the horizontal plane may be 50 °.

A bag folding mechanism 3, a bag pumping mechanism 4 and a bag conveying mechanism 5 are arranged on the rack 1 below the bag warehouse 2, the bag folding mechanism 3 comprises a first rotating frame 31 which is pivoted on the rack 1 and can rotate back and forth, two bag folding suckers 32 are arranged on the first rotating frame 31, and the bag folding suckers 32 can suck one plastic packaging bag 10 exposed in the gap 20 along with the rotation of the first rotating frame 31 and then bend the plastic packaging bag 10; the first rotating frame 31 is driven by a first air cylinder 33 to rotate back and forth, a shell of the first air cylinder 33 is hinged with the frame 1, and a piston rod of the first air cylinder 33 is hinged with the first rotating frame 31. Both sides of the first rotating frame 31 are pivoted on the frame 1.

The bag drawing mechanism 4 comprises a second rotating frame 41 which is pivoted on the rack 1 and can rotate back and forth, a bag clamping mechanism 6 is arranged on the second rotating frame 41, the bag clamping mechanism 6 can clamp one end of the bent plastic packaging bag 10 along with the rotation of the second rotating frame 41, and the plastic packaging bag 10 is placed on the bag conveying mechanism 5 by drawing the plastic packaging bag 10 after the bag folding suction disc 32 loses suction force.

A third rotating frame 7 is further arranged on the rack 1 below the bag warehouse 2, the third rotating frame 7 is generally L-shaped, the middle part of the third rotating frame 7 is pivoted on the rack 1, one end of the third rotating frame 7 is provided with a leveling rod 71, and the other end of the third rotating frame 7 is connected with the second rotating frame 41 through two driving rods 72; the third rotating frame 7 is driven by the second cylinder 42 to rotate back and forth, the third rotating frame 7 pulls the second rotating frame 41 to rotate back and forth by the driving rod 72, the shell of the second cylinder 42 is hinged on the rack 1, and the piston rod of the second cylinder 42 is hinged with the third rotating frame 7. In the process of pulling the plastic packaging bag 10 by the bag clamping mechanism 6, the leveling rod 71 rotates along with the third rotating frame 7 to abut against the plastic packaging bag 10 to gradually level the plastic packaging bag 10, so that the plastic packaging bag 10 is flatly laid on the bag feeding mechanism 5.

The bag clamping mechanism 6 comprises a shell fixedly connected with a bag clamping cylinder 61 of the second rotating frame 41, a fixed clamping jaw 62 is further fixedly connected onto the shell of the bag clamping cylinder 61, a piston rod of the bag clamping cylinder 61 is hinged to one end of a movable clamping jaw 63, the middle of the movable clamping jaw 63 is hinged to one end of a connecting rod 64, the other end of the connecting rod 64 is hinged to the middle of the fixed clamping jaw 62, and the fixed clamping jaw 62 is matched with the movable clamping jaw 63 to clamp one end of the plastic packaging bag 10.

The fixed clamping jaw 62 is provided with a first clamping plate 621, the movable clamping jaw 63 is provided with a second clamping plate 631, and the first clamping plate 621 and the second clamping plate 631 are matched to clamp one end of the plastic packaging bag 10. First splint 621 is linked firmly on the terminal surface has first rubber holding strip 622, is linked firmly on the terminal surface of second splint 631 has second rubber holding strip 632, and first splint 621 cooperates with second splint 631 and this plastic packaging bag 10 one end is cliied to first rubber holding strip 622 of rethread and second rubber holding strip 632.

The lower surface of the frame 1 is provided with a bottom frame 8, the bottom frame 8 is provided with two parallel guide rails 81, the lower end of the frame 1 is erected on the two guide rails 81, and the frame 1 can move along the guide rails 81 through the driving of a driving part. The driving part can be a cylinder, the shell of the cylinder can be hinged with the bottom frame 8, the piston rod of the cylinder is hinged with the frame 1, and the cylinder action can be completed by operating the valve through a control handle 82.

The bag feeding mechanism 5 is a horizontally arranged conveying belt, and a bag blocking mechanism 30, a straightening mechanism 40, a bag opening mechanism 50 and a bag feeding mechanism 60 are further arranged on the rack 1 at the output end of the bag feeding mechanism 5; the bag blocking mechanism 30 blocks one open end of the plastic packaging bag 10, the bag blocking mechanism 30 comprises a bag blocking cylinder 301 and a vertically arranged bag blocking plate 302, the bag blocking plate 302 is fixedly connected with a piston rod of the bag blocking cylinder 301, a shell of the bag blocking cylinder 301 is fixedly connected with the rack 1, the open end of the plastic packaging bag 10 is blocked when the bag blocking plate 302 moves upwards, and the bag blocking plate 302 is separated from the open end of the plastic packaging bag 10 when moving downwards;

the straightening mechanism 40 pushes the two sides of the plastic packaging bag 10 to straighten the plastic packaging bag 10, the straightening mechanism 40 comprises two pairs of vertically arranged straightening rods 401, a straightening driving part 402 is arranged on the rack 1, and the straightening driving part 402 drives the two pairs of straightening rods 401 to approach to or leave from each other. When the two pairs of the righting rods 401 approach each other, the two sides of the plastic packaging bag 10 are pushed to straighten the plastic packaging bag 10;

the bag opening mechanism 50 is provided with two bag opening upper suction cups 501 and two bag opening lower suction cups 502, the bag opening mechanism 50 opens the bag opening of the plastic packaging bag 10 through the bag opening upper suction cups 501 and the bag opening lower suction cups 502, the two bag opening upper suction cups 501 are driven by an upper driving part 503 to move up and down, the upper driving part 503 is composed of a motor, a screw rod, a nut slider and an upper support connected with the slider, the motor drives the screw rod to rotate back and forth, the nut is matched on the motor, the slider is fixedly connected with the nut, and the two bag opening upper suction cups 501 are arranged on the upper support; the two bag opening lower suction cups 502 are driven by the lower driving part 504 to move up and down, the lower driving part 504 comprises an upper air cylinder and a lower air cylinder which are arranged on the frame 1, a lower support is arranged on a piston rod of the lower air cylinder, the two bag opening lower suction cups 502 are arranged on the lower support, the two bag opening upper suction cups 501 and the two bag opening lower suction cups 502 move oppositely to suck two sides of the mouth end of the plastic packaging bag 10, and then the two bag opening upper suction cups 501 and the two bag opening lower suction cups 502 move away from each other to open the mouth of the plastic packaging bag 10;

the bag feeding mechanism 60 is provided with two support rods 601 capable of moving in opposite directions, and one end of each of the two support rods 601 is inserted into the mouth of the plastic packaging bag 10 through a bag support piece 602, supports the plastic packaging bag 10 and then drives the plastic packaging bag 10 to rotate and move. The other ends of the two support rods 601 are respectively connected to the driving part 603, the driving part 603 drives the two support rods 601 to move away from or close to each other, the driving part 603 can comprise two sliding seats, the other ends of the two support rods 601 are respectively fixedly connected to the sliding seats, and the sliding seats drive the support rods 601 to move; the driving member 603 is mounted on the rotating base 604, the rotating base 604 is driven by the rotating driving member 605 of the two cylinders whose housings are fixedly connected to each other, one piston rod of the rotating driving member 605 is hinged to the frame 1, and the other piston rod of the rotating driving member 605 is hinged to the rotating base 604, so that the rotating driving member 605 can drive the rotating base 604 to rotate at four positions.

The working process of the utility model is as follows: the whole stack of plastic packaging bags 10 are placed on the bag warehouse 2, then the first air cylinder 33 acts to drive the first rotating frame 31 to rotate anticlockwise, the two bag folding suckers 32 rotate along with the first rotating frame 31 to suck one side of one plastic packaging bag 10 exposed in the gap 20, then the first air cylinder 33 acts again to drive the first rotating frame 31 to rotate clockwise to return, and the two bag folding suckers 32 suck and expose one plastic packaging bag 10 and bend the plastic packaging bag 10, as shown in fig. 4 and 5;

then, the second air cylinder 42 operates to drive the third rotating frame 7 to rotate anticlockwise, the third rotating frame 7 pulls the second rotating frame 41 to rotate clockwise through the driving rod 72, the bag clamping mechanism 6 moves upwards, and then the bag clamping air cylinder 61 operates, so that the fixed clamping jaw 62 cooperates with the movable clamping jaw 63 to clamp one end of the plastic packaging bag 10, as shown in fig. 6 and 7;

then, the second air cylinder 42 is operated again to drive the third rotating frame 7 to rotate clockwise, the third rotating frame 7 further pulls the second rotating frame 41 to rotate counterclockwise through the driving rod 72, the fixed clamping jaw 62 and the movable clamping jaw 63 clamp one end of the plastic packaging bag 10 to pull the plastic packaging bag 10 downwards, in the process of pulling the plastic packaging bag 10, the leveling rod 71 pushes the plastic packaging bag 10 against the plastic packaging bag 10 along with the rotation of the third rotating frame 7 to gradually level the plastic packaging bag 10 so as to flatten the plastic packaging bag 10, and the pulling and separating speed of the plastic packaging bag 10 is also increased, as shown in fig. 8; then the bag clamping cylinder 61 is actuated again, the fixed clamping jaw 62 and the movable clamping jaw 63 are loosened, and the plastic packaging bag 10 is flatly laid on the bag feeding mechanism 5;

then, the bag feeding mechanism 5 moves the plastic packaging bag 10, the bag blocking cylinder 301 acts, the bag blocking plate 302 blocks one end of the opening of the plastic packaging bag 10 when moving upwards, the two pairs of aligning rods 401 push the two sides of the plastic packaging bag 10 to align the plastic packaging bag 10 when approaching each other, the bag blocking cylinder 301 acts again, and the bag blocking plate 302 separates from one end of the opening of the plastic packaging bag 10 when moving downwards; two open bag upper suction cups 501 and two open bag lower suction cups 502 move in opposite directions and suck the two sides of the mouth end of the plastic packaging bag 10, then two open bag upper suction cups 501 and two open bag lower suction cups 502 keep away from each other and move to open the mouth of the plastic packaging bag 10, then the action of the rotary driving piece 605 drives the rotary seat 604 to rotate, two oppositely movable support rods 601 follow the rotation, the plastic packaging bag 10 is inserted through a support rod 602, then the two support rods 601 keep away from each other, the support rod 602 supports the plastic packaging bag 10, then the rotary driving piece 605 moves again, the rotary seat 604 rotates, and the two support rods 601 just drive the plastic packaging bag 10 to match with the packaging machine to form a bag. The operation is circulated, and one bag is arranged.

If it is desired to move the entire housing 1, the operation of the control handle 82 is completed.

Embodiment two, fig. 10 to fig. 11 show, an apparatus capable of placing a whole stack of plastic bags and conveying them separately one by one, which is different from the first embodiment: the second rotating frame 41 is driven by the second cylinder 42 to rotate back and forth, and the second rotating frame 41 pulls the third rotating frame 7 to rotate back and forth by the driving rod 72. The shell of the second cylinder 42 is hinged with the frame 1, the piston rod of the second cylinder 42 is hinged with the second rotating frame 41, and the structure of the second rotating frame 41 is slightly different.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a can place whole pile of plastic packaging bag and separate device of conveying one by one, includes the frame, its characterized in that: the upper part of the rack is provided with a bag warehouse capable of placing a whole stack of plastic packaging bags, the lower end of the bag warehouse is provided with a notch capable of drawing out the plastic packaging bags, and the plastic packaging bag which is placed in the bag warehouse and is positioned at the lowest part is exposed to the notch;

2. The apparatus of claim 1, wherein the apparatus is capable of holding a stack of plastic bags and transferring the bags one by one, and further comprising: the bag storehouse comprises a first inclined supporting plate and a second inclined supporting plate, the first inclined supporting plate and the second inclined supporting plate are arranged into an inverted splayed shape generally, two baffles vertical to the first inclined supporting plate are arranged on the first inclined supporting plate, when the whole stack of plastic packaging bags are placed in the bag storehouse, the first inclined supporting plate supports one side of each plastic packaging bag, the second inclined supporting plate supports the lower end of each plastic packaging bag, the two baffles block two sides of the whole stack of plastic packaging bags, and a gap between the lower end of the first inclined supporting plate and the lower end of the second inclined supporting plate forms the notch.

3. The apparatus of claim 2, wherein the apparatus is capable of holding a stack of plastic bags and transferring the bags one by one, and further comprising: a row of soft brushes are arranged at the lower end part of the second inclined supporting plate or a row of soft brushes are arranged on the machine frame close to the lower end part of the second inclined supporting plate; the row of soft brushes are generally parallel to the first inclined support plate, and the row of soft brushes block the end part of the plastic packaging bag positioned at the lowest part.

4. The apparatus of claim 2, wherein the apparatus is capable of holding a stack of plastic bags and transferring the bags one by one, and further comprising: every the baffle outside forms with the one end of two spinal branch and links firmly, and the other end of two spinal branches passes first inclined supporting plate and links firmly on a support, and a screw rod is passed through two axle bed pin joints to the rear side of first inclined supporting plate, links firmly a nut on every support, and the nut cooperation is on the screw rod, rotates two supports of screw rod and drives two respectively through two spinal branch the baffle is close to in opposite directions or keeps away from each other.

5. The apparatus of claim 2, wherein the apparatus is capable of holding a stack of plastic bags and transferring the bags one by one, and further comprising: the included angle between the first inclined support plate and the second inclined support plate is 80-100 degrees; the included angle between the first inclined supporting plate and the horizontal plane is 45-55 degrees.

6. The apparatus of claim 1, wherein the apparatus is capable of holding a stack of plastic bags and transferring the bags one by one, and further comprising: the first rotating frame is driven by a first air cylinder to rotate back and forth; a third rotating frame is further arranged on the rack below the bag warehouse, the middle part of the third rotating frame is pivoted on the rack, one end of the third rotating frame is provided with a leveling rod, and the other end of the third rotating frame is connected with the second rotating frame through a driving rod; the third rotating frame is driven by a second cylinder to rotate back and forth, the third rotating frame pulls the second rotating frame to rotate back and forth through a driving rod, or the second rotating frame is driven by the second cylinder to rotate back and forth, and the second rotating frame pulls the third rotating frame to rotate back and forth through the driving rod; in the process of pulling the plastic packaging bag by the bag clamping mechanism, the leveling rod rotates along with the third rotating frame to abut against the plastic packaging bag and gradually level the plastic packaging bag, so that the plastic packaging bag is flatly paved on the bag conveying mechanism.

7. The apparatus of claim 1, wherein the apparatus is capable of holding a stack of plastic bags and transferring the bags one by one, and further comprising: and the bag clamping mechanism comprises a shell which is fixedly connected with a bag clamping cylinder of the second rotating frame, a fixed clamping jaw is fixedly connected on the shell of the bag clamping cylinder, a piston rod of the bag clamping cylinder is hinged with one end of the movable clamping jaw, the middle part of the movable clamping jaw is hinged with one end of a connecting rod, the other end of the connecting rod is hinged with the middle part of the fixed clamping jaw, and the fixed clamping jaw and the movable clamping jaw are matched to clamp one end of the plastic packaging bag.

8. The apparatus of claim 7, wherein the apparatus is capable of holding a stack of plastic bags and transferring the bags one by one, and further comprising: the fixed clamping jaw is provided with a first clamping plate, the movable clamping jaw is provided with a second clamping plate, and the first clamping plate and the second clamping plate are matched to clamp one end of the plastic packaging bag.

9. The apparatus of claim 1, wherein the apparatus is capable of holding a stack of plastic bags and transferring the bags one by one, and further comprising: the lower surface of the rack is provided with a bottom frame, the bottom frame is provided with two parallel guide rails, the lower end of the rack is erected on the two guide rails, and the rack can move along the guide rails through the driving of a driving part.

10. An apparatus for holding a stack of plastic bags and for individually separating them for transport as claimed in any one of claims 1 to 9, wherein: the bag conveying mechanism is a horizontally arranged conveying belt, and a bag blocking mechanism, a straightening mechanism, a bag opening mechanism and a bag feeding mechanism are further arranged on the rack at the output end of the bag conveying mechanism; the bag blocking mechanism blocks one end of an opening of the plastic packaging bag, the straightening mechanism pushes the two sides of the plastic packaging bag to straighten the plastic packaging bag, the bag opening mechanism is provided with an upper bag opening sucker and a lower bag opening sucker, the bag opening mechanism opens the bag opening of the plastic packaging bag through the upper bag opening sucker and the lower bag opening sucker, the bag opening mechanism is provided with two support rods capable of moving in opposite directions, and one ends of the two support rods are inserted into the bag opening of the plastic packaging bag through bag opening pieces, support the plastic packaging bag and then drive the plastic packaging bag to rotate and move.