CN219769228U - Loading mechanism of frame enclosing machine - Google Patents

Abstract

The utility model relates to the technical field of frame surrounding machines, and particularly discloses a feeding mechanism of a frame surrounding machine, which comprises a first feeding unit, a second feeding unit, a material moving unit and a flanging unit, wherein the flanging unit comprises a first carrier, a first driving piece, a second driving piece, a third driving piece, a first accessory and a flanging piece which are arranged in a lifting manner; the second driving piece drives the first accessory to enable the first box plate carried by the first feeding unit to be displaced and positioned; the inclined surface of the flanging piece is abutted against the edge of the facial tissue of the second box plate borne by the second feeding unit to be tilted, and the third driving piece drives the pressing surface of the flanging piece to fold and paste the edge of the facial tissue of the tilted second box plate on the core paper of the second box plate; the material moving unit picks up and moves the first box plate after the first accessory is adjusted and the second box plate after the flanging piece is processed; the edge folding unit is utilized to synchronously realize the mobile positioning treatment of the first box plate and the edge folding treatment of the second box plate, so that the feeding efficiency is improved, and the production efficiency of the frame surrounding machine is further improved.

Description

Loading mechanism of frame enclosing machine

Technical Field

The utility model relates to the technical field of frame surrounding machines, and particularly discloses a feeding mechanism of a frame surrounding machine.

Background

The box body is one of the usual packing product articles of various articles, and the application field of box body is extensive, for example, the beverage bottle just often needs the beverage box to pack, and traditional beverage box mainly realizes the laminating shaping of box body for manual operation, leads to the production inefficiency of beverage box, can not satisfy actual production's needs.

In the prior art, the automatic folding and forming treatment of the wine box is realized by using the frame enclosing machine, but because the functional structure of the frame enclosing machine in the prior art is unreasonable in design, each mechanism of the frame enclosing machine is not continuous in operation, even the work treatment of each mechanism is inaccurate, the frame enclosing machine has long beat steps in the actual production and forming process of the wine box, the efficiency is relatively low, and the actual requirements of customers cannot be met.

Disclosure of Invention

In order to overcome the defects and shortcomings in the prior art, the utility model aims to provide a feeding mechanism of a frame surrounding machine, which utilizes a flanging unit to synchronously realize the mobile positioning treatment of a first box plate and the flanging treatment of a second box plate, so that the feeding efficiency is improved, and the production efficiency of the frame surrounding machine is further improved.

In order to achieve the above purpose, the feeding mechanism of the framing machine comprises a first feeding unit, a second feeding unit and a material moving unit matched with the two feeding units, wherein the two feeding units are used for respectively inputting a first box plate and a second box plate, and the first box plate and the second box plate are combined to form a box body; the folding unit comprises a first carrier arranged in a lifting manner, a first driving piece for driving the first carrier to lift up and down, a second driving piece and a third driving piece which are arranged on the first carrier, a first accessory matched with the second driving piece for use, and a folding piece matched with the third driving piece for use; the second driving piece drives the first accessory to move so that the moving first accessory drives the first box plate carried by the first feeding unit to move and position; the first driving piece drives the flanging piece to ascend through the first carrier so that the inclined bevel is abutted against the edge of the facial tissue of the second box plate borne by the second feeding unit to tilt, and the third driving piece is used for driving the flanging piece to move so that the pressing surface folds and sticks the edge of the facial tissue of the tilted second box plate to the core paper of the second box plate; the material moving unit is used for picking up and moving the first box plate after the first accessory is adjusted and the second box plate after the flanging piece is processed.

The folding unit further comprises a soft piece arranged on the folding piece, the folding piece is provided with a positioning groove for accommodating the first end of the soft piece, the second end of the soft piece protrudes out of the outer surface of the folding piece and is used for abutting against the edge of the facial tissue of the second box plate, and the pressing surface is arranged on the second end of the software piece.

The folding unit further comprises a joint arm, two ends of the joint arm are respectively arranged on the first carrier and the first end of the folding piece in a rotating mode, the second end of the folding piece is arranged on the second carrier in a rotating mode, and the third driving piece is used for driving the second carrier to move.

The feeding mechanism further comprises a pressing unit matched with the second feeding unit, the pressing unit comprises a pressing piece and a fourth driving piece used for driving the pressing piece to move, the fourth driving piece drives the pressing piece to press the second box plate input by the second feeding unit on the second feeding unit, and the flanging piece of the flanging unit is used for flanging the second box plate pressed by the pressing unit.

The feeding mechanism further comprises an adjusting unit, the adjusting unit comprises a second accessory and a fifth driving piece used for driving the second accessory to move, the fifth driving piece drives the second accessory to move so that the second accessory drives a second box plate borne by the second feeding unit to move and position, and the flanging piece of the flanging unit is used for flanging the second box plate adjusted by the adjusting unit.

The material moving unit comprises a guide rail, a third carrier which moves back and forth relative to the guide rail, a sixth driving piece for driving the third carrier, a fourth carrier which is arranged on the third carrier in a lifting manner, a seventh driving piece for driving the fourth carrier to lift back and forth, a first sucking disc group and a second sucking disc group which are arranged on the fourth carrier, wherein the first sucking disc group and the second sucking disc group are respectively used for sucking a first box plate after the first accessory is adjusted and a second box plate after the flanging piece is processed.

The material moving unit further comprises a shaft body piece, a first connecting rod and a second connecting rod, the shaft body piece is rotatably arranged on the third carrier, one end of the first connecting rod is arranged on the shaft body piece, two ends of the second connecting rod are rotatably arranged on the fourth carrier and the other end of the first connecting rod respectively, and the seventh driving piece is used for driving the shaft body piece to rotate.

The third carrier is provided with a yielding hole, and the yielding hole is used for accommodating the first connecting rod or/and the second connecting rod.

The feeding unit comprises a fifth carrier, an annular belt rotatably arranged on the fifth carrier, and a driving motor for driving the annular belt to rotate; the fifth carrier is provided with a containing cavity communicated with an external air pump and a flat plate cover plate for covering the containing cavity, and the flat plate cover plate is provided with a plurality of first perforations penetrating through the flat plate cover plate and communicated with the containing cavity; the annular band is provided with a plurality of second perforations extending through the annular band, and the flat cover sheet is adapted to carry the annular band.

Wherein, feed mechanism still includes the frame, and each unit is all installed and is set up in the frame, and the aspiration pump is installed in the frame, and the air extraction end of aspiration pump communicates the holding chamber of the fifth carrier of two feed units respectively through two exhaust tubes.

The utility model has the beneficial effects that: the second driving piece drives the first accessory to enable the first box plate carried by the first feeding unit to be displaced and positioned; the inclined surface of the flanging piece is abutted against the edge of the facial tissue of the second box plate borne by the second feeding unit to be tilted, and the third driving piece drives the pressing surface of the flanging piece to fold and paste the edge of the facial tissue of the tilted second box plate on the core paper of the second box plate; the material moving unit picks up and moves the first box plate after the first accessory is adjusted and the second box plate after the flanging piece is processed; the edge folding unit is utilized to synchronously realize the mobile positioning treatment of the first box plate and the edge folding treatment of the second box plate, so that the feeding efficiency is improved, and the production efficiency of the frame surrounding machine is further improved.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of the hemming unit of the present utility model;

FIG. 3 is a schematic diagram of a pressing unit according to the present utility model;

FIG. 4 is a schematic diagram of the structure of the adjusting unit of the present utility model;

FIG. 5 is a schematic view of a material transferring unit according to the present utility model;

fig. 6 is a schematic exploded view of the first feeding unit or the second feeding unit according to the present utility model.

The reference numerals include:

1-first feeding unit 2-second feeding unit 3-shifting unit

4-hemming unit 5-first carriage 6-first accessory

7-edge folding piece 8-inclined plane 9-soft piece

11-joint arm 12-pressing unit 13-pressing piece

14-pressing head 15-flexible piece 16-adjusting unit

17-second accessory 18-guide 19-third carriage

21-fourth carriage 22-first suction cup set 23-second suction cup set

24-shaft body 25-first connecting rod 26-second connecting rod

27-yielding holes 28-fifth carriers 29-endless belt

31-Flat cover 32-first perforation 33-second perforation

281-accommodation chamber.

Detailed Description

The present utility model will be further described with reference to examples and drawings, which are not intended to be limiting, for the understanding of those skilled in the art.

Referring to fig. 1 to 2, a feeding mechanism of a frame enclosing machine according to the present utility model includes a first feeding unit 1, a second feeding unit 2, and a moving unit 3 used in cooperation with the two feeding units, where the first feeding unit 1 and the second feeding unit 2 are arranged side by side, in this embodiment, the two feeding units are spaced apart and arranged in parallel, the moving unit 3 is located above the two feeding units, the two feeding units are used for automatically inputting a first box plate and a second box plate, respectively, and the first box plate and the second box plate are combined to form a box body.

The feeding mechanism further comprises a flanging unit 4 positioned between the two feeding units, an abdication space is formed between the two feeding units, and the flanging unit 4 is positioned in the abdication space. The flanging unit 4 comprises a first carrier 5 which is arranged in a vertical lifting manner, a first driving piece which is used for driving the first carrier 5 to vertically lift, a second driving piece and a third driving piece which are arranged on the first carrier 5, a first accessory 6 which is matched with the second driving piece for use, and a flanging piece 7 which is matched with the third driving piece for use.

In this embodiment, the first driving member is a telescopic cylinder, and a piston rod of the first driving member is used for being installed and connected to the first carrier 5, and up-down lifting movement of the first carrier 5 is achieved by up-down telescopic movement of a piston rod of the second driving member. The second driving piece is a telescopic cylinder, and a piston rod of the second driving piece is fixedly connected with the first accessory 6. In actual use, the second driving member drives the first attachment 6 to reciprocate horizontally.

In the use process, the first driving piece drives the first accessory 6 to move to the upper side of the first feeding unit 1 through the first carrier 5, the second driving piece drives the first accessory 6 to horizontally move, the horizontally moving first accessory 6 props against the first box plate carried by the first feeding unit 1 to move, and the first box plate is enabled to move relative to the first feeding unit 1 to realize the calibration and positioning of the position, so that the accurate positioning treatment of the first box plate is realized.

The main body of the flanging member 7 is configured in a strip shape, the flanging member 7 is provided with an inclined surface 8 and a pressing surface, and the inclined angle of the inclined surface 8 is preferably 10-45 degrees. In the flanging process, the first driving piece drives the flanging piece 7 to ascend to the upper part of the bearing surface of the second feeding unit 2 through the first carrier 5, the inclined surface 8 of the ascending flanging piece 7 props against the facial tissue edge of the second box plate borne by the bearing surface of the second feeding unit 2 to move upwards so that the facial tissue edge of the second box plate is tilted upwards, and the third driving piece is used for driving the flanging piece 7 to move so that the pressing surface folds and sticks the facial tissue edge of the tilted second box plate to the core paper of the second box plate, so that the flanging process of the facial tissue edge of the second box plate is realized. The material moving unit 3 can pick up and move the first box plate adjusted by the first accessory 6 and the second box plate processed by the flanging piece 7.

According to the flanging unit 4 of the feeding mechanism, the moving positioning treatment of the first box plate and the flanging treatment of the second box plate are synchronously realized, so that the feeding efficiency is improved, and the production efficiency of the framing machine is further improved. And arrange hem unit 4 between two feed units for first annex 6, hem piece 7 respectively move the hem that realizes first box board's location and second box board towards the direction that keeps away from each other, on the one hand reduces feed mechanism's occupation space, on the other hand avoids both to take place to touch each other and use badly.

The hemming unit 4 further includes a flexible member 9 disposed on the hemming member 7, preferably, the flexible member 9 is made of flexible glue, the hemming member 7 is provided with a positioning groove for accommodating a first end of the flexible member 9, the positioning groove is concavely formed from a lower surface of the hemming member 7, a second end of the flexible member 9 protrudes out of an outer surface of the hemming member 7 and is used for abutting against and holding a facial tissue edge of the second box board, and the holding surface is disposed on a second end of the software member.

After the inclined surface 8 of the flanging piece 7 abuts against the edge of the facial tissue of the second box plate to tilt upwards, the third driving piece drives the flanging piece 7 to drive the soft piece 9 to fold and paste the edge of the facial tissue of the tilted second box plate on the core paper of the second box plate. By means of the soft piece 9, compared with a hard component, the facial tissue edge of the second box plate is pressed and held, so that the facial tissue edge of the second box plate is prevented from being scratched. By means of the structure that the second end of the soft piece 9 protrudes out of the outer surface of the edge folding piece 7, when the soft piece 9 presses the edge of the facial tissue of the second box plate, the edge folding piece 7 is prevented from being damaged due to the fact that the soft piece 9 deforms to cause the edge folding piece 7 to directly contact the edge of the facial tissue of the second box plate.

The hemming unit 4 further includes a joint arm 11, the joint arm 11 is a short bar-shaped member, two ends of the joint arm 11 are respectively rotatably disposed on the first carrier 5 and the first end of the hemming member 7, in this embodiment, two ends of the joint arm 11 are respectively provided with shaft holes, the shaft holes are provided with connecting shafts, and two ends of the joint arm 11 are respectively rotatably disposed on the upper end of the first carrier 5 and the first end of the hemming member 7 via the connecting shafts. The second end of the flanging member 7 is rotatably arranged on the second carrier, the rotation axes of the joint arm 11 and the first carrier 5, the rotation axes of the joint arm 11 and the flanging member 7, and the rotation axes of the flanging member 7 and the second carrier are spaced from each other and are arranged in parallel, and the third driving member is used for driving the second carrier to move. The third driving piece is a telescopic cylinder, and a piston rod of the third driving piece is connected with the second carrier.

Through the rotation setting between articulated arm 11, hem piece 7, the first carrier 5 three, when the third driving piece drive hem piece 7 moved, on the one hand made hem piece 7 can horizontal migration, on the other hand made hem piece 7 can vertical movement, so, can utilize hem piece 7 to realize the operation of turning over of the facial tissue edge of second box body and with the laminating operation of the facial tissue edge pressure of second box body on the core paper of second box body, need not utilize two driving pieces to accomplish this operation, reduce manufacturing cost, promote the operating efficiency simultaneously.

Referring to fig. 1 to 3, the feeding mechanism further includes a pressing unit 12 used in cooperation with the second feeding unit 2, where the pressing unit 12 includes a pressing member 13 and a fourth driving member for driving the pressing member 13 to move, in this embodiment, the pressing member 13 is provided with a plurality of pressing heads 14 for pressing the second box plate, the plurality of pressing heads 14 are disposed at intervals, and the plurality of pressing heads 14 respectively press different portions of the second box plate, so as to ensure that the second box plate can be firmly pressed, and reduce a contact area between the pressing member 13 and the second box plate. Preferably, the flexible member 15 is mounted on the free end of the pressing head 14, the flexible member 15 can be made of soft rubber, and the flexible member 15 contacts the second box plate to avoid the second box plate from being damaged by pressing.

The fourth driving member drives the pressing member 13 to press the second box plate input by the second feeding unit 2 onto the second feeding unit 2, and the flanging member 7 of the flanging unit 4 is used for flanging the second box plate pressed by the pressing unit 12. Through the arrangement of the pressing and holding unit 12, the second box plate is accurately positioned on the second feeding unit 2, the phenomenon that the second box plate moves to cause poor edge folding when the edge folding unit 4 folds the edge of the facial tissue of the second box plate is avoided, and the edge folding yield of the second box plate is improved.

Referring to fig. 1 to 4, the feeding mechanism further includes an adjusting unit 16, where the adjusting unit 16 includes a second accessory 17 and a fifth driving member for driving the second accessory 17 to move, and preferably, the fifth driving member is a telescopic cylinder, and a piston rod of the fifth driving member is connected to the second accessory 17.

The fifth driving piece drives the second accessory 17 to move horizontally so that the second accessory 17 can push and drive the second box plate carried by the second feeding unit 2 to move and position, thereby realizing the position adjustment of the second box plate on the second feeding unit 2, realizing the accurate positioning of the second box plate, and the flanging piece 7 of the flanging unit 4 is used for flanging the second box plate after the adjustment of the adjusting unit 16.

In the actual processing process, the adjusting unit 16 is utilized to accurately position the second box plate input by the second feeding unit 2, then the pressing unit 12 presses and positions the second box plate processed by the adjusting unit 16 on the second feeding unit 2, and then the edge folding piece 7 of the edge folding unit 4 performs edge folding processing operation on the edge of the facial tissue of the second box plate, so that the edge folding yield of the second box plate is ensured.

Referring to fig. 1 to 5, the material transferring unit 3 includes a guide rail 18, a third carriage 19 reciprocally moving relative to the guide rail 18, a sixth driving member for driving the third carriage 19, a fourth carriage 21 vertically disposed on the third carriage 19, a seventh driving member for driving the fourth carriage 21 to reciprocally move up and down, a first suction cup group 22 and a second suction cup group 23 disposed on the fourth carriage 21.

In this embodiment, the number of the guide rails 18 is two, the two guide rails 18 are spaced apart from each other and arranged in parallel, the left and right ends of the third carrier 19 are respectively slidably disposed on the two guide rails 18, and the first suction cup group 22 and the second suction cup group 23 are respectively used for sucking the first box plate after the adjustment of the first attachment 6 and the second box plate after the treatment of the hemming member 7. The suction cup group is provided with a plurality of vacuum suction nozzles, which are of the prior art and are not described herein. The plurality of vacuum suction nozzles of the same suction cup group respectively suck different parts of the same box plate, so that the material moving unit 3 can firmly pick up the box plate and prevent the box plate from falling.

The material moving unit 3 further comprises a shaft body 24, a first connecting rod 25 and a second connecting rod 26, the shaft body 24 is horizontally and rotatably arranged on the third carrier 19, one end of the first connecting rod 25 is fixedly arranged on the shaft body 24, two ends of the second connecting rod 26 are respectively rotatably arranged on the fourth carrier 21 and the other end of the first connecting rod 25, and a seventh driving piece is used for driving the shaft body 24 to rotate. In this embodiment, the seventh driving member is a driving motor.

In the process of transferring the box plate by the transferring unit 3, the sucker groups need to frequently move up and down, the fourth carrier 21 can be driven to rapidly lift and move up and down by the positive and negative rotation of the driving motor through the transmission component formed by the shaft body piece 24, the first connecting rod 25 and the second connecting rod 26, the fourth carrier 21 can be driven to move up and down by the up and down movement of the fourth carrier 21, the lifting efficiency of the sucker groups is improved, and the feeding efficiency is assisted.

The third carrier 19 has a relief hole 27, the relief hole 27 penetrates the third carrier 19 along the vertical direction, and the relief hole 27 is used for Rong She the first link 25 or/and the second link 26. Through the setting of the hole 27 of stepping down, on the one hand shortens the length of connecting rod, simplifies the structural design, and on the other hand utilizes the pore wall of the hole 27 of stepping down to encircle the connecting rod, realizes the protection to the connecting rod, avoids the connecting rod to receive external collision and damage.

Referring to fig. 1 to 6, the feeding unit includes a fifth carrier 28, an endless belt 29 rotatably disposed on the fifth carrier 28, and a driving motor for driving the endless belt 29 to rotate, and in actual use, the endless belt 29 carries a cassette plate. The fifth carrier 28 has a accommodating chamber 281 communicating with an external suction pump (may be a vacuum generator or the like), and a flat cover plate 31 for covering the accommodating chamber 281, wherein the flat cover plate 31 is provided with a plurality of first perforations 32 penetrating the flat cover plate 31 and communicating with the accommodating chamber 281, and the plurality of first perforations 32 are arranged along the length direction and the width direction of the flat cover plate 31; the endless belt 29 is provided with a plurality of second perforations 33 penetrating the endless belt 29, the plurality of second perforations 33 being arranged in a row along the length and width of the endless belt 29, and the flat cover sheet 31 is for carrying the endless belt 29.

When the feeding unit inputs the box plate, the air pump performs air suction work, so that a negative pressure state is formed in the accommodating cavity 281, the box plate can be adsorbed on the annular belt 29, the box plate is prevented from falling off in the input process, and the conveying yield of the box plate is improved.

The feeding mechanism further comprises a frame, each unit is installed and arranged on the frame, so that the installation references of each unit are unified, on one hand, the machine adjustment work of each unit is convenient, and on the other hand, the installation steps are simplified. The air pump is installed on the frame, and the air extraction end of the air pump is respectively communicated with the accommodating cavities 281 of the fifth carriers 28 of the two feeding units through two air extraction pipes. The same air pump respectively processes the two feeding units, so that synchronous on-off of the two feeding units is realized, and the consistency of the two feeding units for conveying the box plates is ensured.

The foregoing is merely exemplary of the present utility model, and those skilled in the art should not be considered as limiting the utility model, since modifications may be made in the specific embodiments and application scope of the utility model in light of the teachings of the present utility model.

Claims (10)

1. The feeding mechanism of the frame enclosing machine comprises a first feeding unit, a second feeding unit and a material moving unit matched with the two feeding units, wherein the two feeding units are used for respectively inputting a first box plate and a second box plate, and the first box plate and the second box plate are combined to form a box body; the method is characterized in that: the folding unit comprises a first carrier arranged in a lifting manner, a first driving piece for driving the first carrier to lift up and down, a second driving piece and a third driving piece which are arranged on the first carrier, a first accessory matched with the second driving piece for use, and a folding piece matched with the third driving piece for use; the second driving piece drives the first accessory to move so that the moving first accessory drives the first box plate carried by the first feeding unit to move and position; the first driving piece drives the flanging piece to ascend through the first carrier so that the inclined bevel is abutted against the edge of the facial tissue of the second box plate borne by the second feeding unit to tilt, and the third driving piece is used for driving the flanging piece to move so that the pressing surface folds and sticks the edge of the facial tissue of the tilted second box plate to the core paper of the second box plate; the material moving unit is used for picking up and moving the first box plate after the first accessory is adjusted and the second box plate after the flanging piece is processed.

2. The charging mechanism of the framing machine of claim 1, wherein: the folding unit further comprises a soft piece arranged on the folding piece, the folding piece is provided with a positioning groove for accommodating the first end of the soft piece, the second end of the soft piece protrudes out of the outer surface of the folding piece and is used for abutting and pressing the edge of the facial tissue of the second box plate, and the pressing surface is arranged on the second end of the software piece.

3. The charging mechanism of the framing machine of claim 1, wherein: the folding unit further comprises a joint arm, two ends of the joint arm are respectively arranged on the first carrier and the first end of the folding piece in a rotating mode, the second end of the folding piece is arranged on the second carrier in a rotating mode, and the third driving piece is used for driving the second carrier to move.

4. The charging mechanism of the framing machine of claim 1, wherein: the feeding mechanism further comprises a pressing unit matched with the second feeding unit, the pressing unit comprises a pressing piece and a fourth driving piece used for driving the pressing piece to move, the fourth driving piece drives the pressing piece to press the second box plate input by the second feeding unit on the second feeding unit, and the flanging piece of the flanging unit is used for flanging the second box plate pressed by the pressing unit.

5. The charging mechanism of the framing machine of claim 1, wherein: the feeding mechanism further comprises an adjusting unit, the adjusting unit comprises a second accessory and a fifth driving piece used for driving the second accessory to move, the fifth driving piece drives the second accessory to move so that the second accessory drives a second box plate borne by the second feeding unit to move and position, and the flanging piece of the flanging unit is used for flanging the second box plate adjusted by the adjusting unit.

6. The charging mechanism of the framing machine of claim 1, wherein: the material moving unit comprises a guide rail, a third carrier which moves back and forth relative to the guide rail, a sixth driving piece for driving the third carrier, a fourth carrier which is arranged on the third carrier in a lifting manner, a seventh driving piece for driving the fourth carrier to lift back and forth, a first sucking disc group and a second sucking disc group which are arranged on the fourth carrier, wherein the first sucking disc group and the second sucking disc group are respectively used for sucking a first box plate after the first accessory is adjusted and a second box plate after the flanging piece is processed.

7. The charging mechanism of the framing machine of claim 6, wherein: the material moving unit further comprises a shaft body piece, a first connecting rod and a second connecting rod, wherein the shaft body piece is rotatably arranged on the third carrier, one end of the first connecting rod is arranged on the shaft body piece, two ends of the second connecting rod are rotatably arranged on the fourth carrier and the other end of the first connecting rod respectively, and the seventh driving piece is used for driving the shaft body piece to rotate.

8. The charging mechanism of the framing machine of claim 7, wherein: the third carrier is provided with a yielding hole, and the yielding hole is used for accommodating the first connecting rod or/and the second connecting rod.

9. The charging mechanism of the framing machine of claim 1, wherein: the feeding unit comprises a fifth carrier, an annular belt rotatably arranged on the fifth carrier, and a driving motor for driving the annular belt to rotate; the fifth carrier is provided with a containing cavity communicated with an external air pump and a flat plate cover plate for covering the containing cavity, and the flat plate cover plate is provided with a plurality of first perforations penetrating through the flat plate cover plate and communicated with the containing cavity; the annular band is provided with a plurality of second perforations extending through the annular band, and the flat cover sheet is adapted to carry the annular band.

10. The charging mechanism of the framing machine of claim 9, wherein: the feeding mechanism further comprises a frame, each unit is arranged on the frame, the air extracting pump is arranged on the frame, and the air extracting end of the air extracting pump is respectively communicated with the accommodating cavity of the fifth carrier of the two feeding units through two air extracting pipes.