CN114670496A

CN114670496A - Automatic inward-folding M-shaped device for woven bag

Info

Publication number: CN114670496A
Application number: CN202210507818.7A
Authority: CN
Inventors: 徐继念
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-05-11
Filing date: 2022-05-11
Publication date: 2022-06-28

Abstract

The invention discloses an automatic inward-folding M-shaped device for woven bags, which comprises a workbench, wherein a feeding plate is horizontally and slidably connected to the workbench, a port opening mechanism is arranged on the feeding plate and used for clamping the woven bags and opening ports of the woven bags, a supporting frame is arranged on the workbench, an inward-folding plate is arranged on one side, facing the feeding plate, of the supporting frame, the inward-folding plate can penetrate through the port opening mechanism and push the woven bags to move, and a driving piece for driving the feeding plate to move horizontally is arranged on the workbench. Carry out the centre gripping through utilizing to prop a mouthful mechanism and fix to the braided bag to make the port of braided bag to prop open, the rethread delivery sheet drives the braided bag and moves towards the support frame, then interior folded plate can promote the braided bag motion and make the braided bag carry out bag end infolding operation automatically.

Description

Automatic inward-folding M-shaped device for woven bag

Technical Field

The invention relates to the field of woven bag production equipment, in particular to an automatic inward folding M-shaped device for woven bags.

Background

The woven bag is also called snake leather bag, is one kind of plastic bag, and is mainly used for packing.

At present, the bag bottom of the woven bag which is just formed by weaving is directly sewed, but the woven bag is used for bearing cement with certain weight, such as 50kg grade. It is difficult to provide stable bottom support strength and bottom leakage is liable to occur during handling.

Chinese patent No. CN 208428740U discloses an automatic inward folding M-shaped device for plastic woven bags, but the device can meet the requirement of folding the side edge of the woven bag into an M shape before cutting. The above prior art has the following disadvantages:

1. more emphasis is placed on the requirement that the side edges are folded into an M shape before the woven bag is cut.

2. The processed woven bags cannot be processed for the second time.

Disclosure of Invention

The invention aims to provide an automatic inward folding M-shaped device for woven bags, which improves the structural strength of bag bottoms by carrying out secondary processing on woven bags on the market and finishes the automatic inward folding process of the bag bottoms of the woven bags.

The technical purpose of the invention is realized by the following technical scheme: the utility model provides an automatic infolding M type device of braided bag, includes the workstation, horizontal sliding connection has the delivery sheet on the workstation, be provided with on the delivery sheet and prop a mouthful mechanism, prop a mouthful mechanism and be used for the centre gripping braided bag and prop the port of braided bag open, be provided with the support frame on the workstation, the support frame orientation one side of delivery sheet is provided with interior folded plate, interior folded plate can pass prop a mouthful mechanism and promote the braided bag motion, be provided with on the workstation and be used for the drive the delivery sheet horizontal motion driving piece.

In conclusion, the invention has the following beneficial effects: carry out the centre gripping through utilizing to prop a mouthful mechanism and fix to the braided bag to make the port of braided bag to prop open, the rethread delivery sheet drives the braided bag and moves towards the support frame, then interior folded plate can promote the braided bag motion and make the braided bag carry out bag end infolding operation automatically.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a control mechanism in an embodiment of the present application;

FIG. 3 is a schematic structural diagram of a mouth-supporting mechanism in an embodiment of the present application;

FIG. 4 is a schematic view of the interior structure of an inner flap in an embodiment of the present application;

FIG. 5 is an enlarged schematic view of area A of FIG. 4;

FIG. 6 is a schematic view of a bottom-folded M-shaped structure of a woven bag;

fig. 7 is a schematic view of a connection structure of the driving member, the pneumatic suction cup and the air pump.

Description of reference numerals: 1. a work table; 2. a feeding plate; 3. a drive member; 4. a support frame; 5. an inner folded plate; 6. a mouth bracing mechanism; 61. a gantry; 62. lifting the block; 63. a pneumatic suction cup; 7. a management and control mechanism; 71. a drive rack; 72. a driven rack; 73. a drive gear; 8. a control mechanism; 81. a control bar; 82. a control ball; 9. controlling the inclined plane; 10. a mounting cavity; 11. a nozzle; 12. an air supply mechanism; 13. an exhaust pipe; 31. a housing; 32. a piston; 33. a spring; 34. a slide bar; 35. an opening; 36. an air inlet; 37. and an air outlet.

Detailed Description

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

Example 1:

referring to fig. 1-7, an automatic M type device of infolding of braided bag, includes workstation 1, and the upper end horizontal sliding connection of workstation 1 has feed table 2, and the upper end of feed table 2 is provided with props a mouthful mechanism 6, props a mouthful mechanism 6 and is used for the centre gripping braided bag and struts the port of braided bag. Meanwhile, a driving piece 3 for driving the feeding plate 2 to move horizontally is arranged on the workbench 1.

Referring to fig. 1 and 2, a support frame 4 is horizontally slidably connected to an upper end of the table 1, and the support frame 4 is movable toward the feed plate 2. One side of support frame 4 orientation delivery sheet 2 is provided with interior folded plate 5, and interior folded plate 5 can pass and prop a mouthful mechanism 6 and promote the bag end of braided bag and move towards its opening direction to can carry out the interior book and form the M type at the bottom of the bag of braided bag. Meanwhile, a control mechanism 7 capable of driving the support frame 4 to move towards the feeding plate 2 is arranged between the workbench 1 and the support frame 4.

When the bag bottom of the woven bag needs to be folded inwards, the woven bag is placed on the feeding plate 2, and a port (or called opening) of the woven bag is away from the inner folded plate 5. And then, the woven bag is clamped and fixed by the opening supporting mechanism 6, and the port of the woven bag is supported. Next, drive delivery sheet 2 through driving piece 3 and drive and prop a mouthful mechanism 6 and the braided bag towards support frame 4 motion, utilize management and control mechanism 7 drive support frame 4 to drive interior folded plate 5 towards the motion of delivery sheet 2 simultaneously. Subsequently, the inner folded plate 5 pushes the bag bottom of the woven bag to move, and the woven bag is caused to perform a bag bottom folding operation (i.e., one end of the inner folded plate 5 is inserted into the woven bag so that the bag bottom forms an M-shape). It should be noted that, after the bag bottom inward folding process is completed, the bag bottom of the woven bag needs to be sewn again, so that the structural reinforcement of the bag bottom is realized. Stitching is prior art and will not be described in detail here.

Referring to fig. 2 and 3, the opening expanding mechanism 6 comprises a portal frame 61 fixed at the upper end of the feeding plate 2, the portal frame 61 is provided with a downward opening, a pulling block 62 is vertically and slidably connected between the inner walls of the two sides of the portal frame 61, and the inner folding plate 5 can penetrate through the space between the pulling block 62 and the feeding plate 2. The lower end face of the lifting block 62 and the upper end face of the feeding plate 2 are respectively and fixedly connected with a plurality of pneumatic suction cups 63, and a control mechanism 8 capable of driving the lifting block 62 to vertically move is arranged between the workbench 1 and the portal frame 61.

Referring to fig. 2 and 3, the control mechanism 8 includes a control bar 81 horizontally and fixedly connected to a side wall of the lifting block 62, a control ball 82 is fixedly connected to one side of the table 1, and a control slope 9 capable of abutting against the control ball 82 is integrally formed on one side of the control bar 81 facing the support frame 4.

When needs are fixed the braided bag, be connected a plurality of pneumatic sucking discs 63 with outside air pump respectively, then put the braided bag and carry and draw between piece 62 and feed table 2 to make a plurality of pneumatic sucking discs 63 that are located the braided bag both sides respectively with the braided bag butt. Subsequently, start outside air pump, then a plurality of pneumatic suction cups 63 attract fixedly to the braided bag to the realization is fixed to the centre gripping of braided bag.

It should be noted that: the woven bag is formed by weaving, so that the bag body of the woven bag is bound to have a plurality of pores. The pneumatic suction cup 63 must continuously suck air under the opening action of the air pump so as to realize the suction and fixation of the woven bag.

When the driving part 3 drives the feeding plate 2 to drive the portal frame 61, the control strip 81 and other components to move towards the support frame 4, the control inclined plane 9 is abutted to the control ball 82, then the control strip 81 drives the lifting block 62 and the corresponding pneumatic suction cup 63 to move upwards under the pushing of the control ball 82, and at the moment, the port of the woven bag is opened. When the control inclined surface 9 is separated from the control ball 82, and the control ball 82 abuts against the lower end surface of the control bar 81 (i.e. the control ball 82 is located right below the control bar 81, see the state shown in fig. 2 in detail), the height of the pulling block 62 is in a constant state, and the port of the woven bag is in a stable expanded state.

When the feeding plate 2 drives the components such as the portal frame 61 and the control strip 81 to move towards the direction away from the support frame 4, the control inclined plane 9 is abutted to the control ball 82, and then the lifting block 62 moves downwards under the action of self gravity. When the control bar 81 is separated from the control ball 82, the lifting block 62 completes the reset. Subsequently, the external air pump is turned off, and then the woven bag can be taken out from between the feeding plate 2 and the pulling block 62.

Referring to fig. 2 and 3, the regulating mechanism 7 includes a driving rack 71 horizontally and fixedly connected to the side wall of the feeding plate 2, and a driven rack 72 horizontally and fixedly connected to the side wall of the supporting frame 4. Meanwhile, the side wall of the working table 1 is rotatably connected with a driving gear 73, a driving rack 71 and a driven rack 72 are distributed on both sides of the driving gear 73, and the driving rack 71 and the driven rack 72 are respectively engaged with the driving gear 73. Specifically, the driving rack 71 is located above the driven rack 72.

When the feeding plate 2 drives the driving rack 71 to move towards the support frame 4, the driving rack 71 can control the driving gear 73 to rotate, and then the driving gear 73 can drive the driven rack 72 to drive the support frame 4 to move, so that the feeding plate 2 and the support frame 4 are close to each other. When the feeding plate 2 drives the driving rack 71 to move towards the direction far away from the support frame 4, the driving rack 71 can control the driving gear 73 to rotate reversely, and then the driving gear 73 can drive the driven rack 72 to drive the support frame 4 to move reversely, so that the feeding plate 2 and the support frame 4 are far away from each other.

Referring to fig. 4 and 5, an installation cavity 10 is opened in the inner folding plate 5, a plurality of nozzles 11 are connected to one side of the inner folding plate 5 facing the feeding plate 2, and a gas supply mechanism for supplying gas into the installation cavity 10 is provided between the table 1 and the support frame 4. When the inner folding plate 5 moves towards the feeding plate 2, air is fed into the mounting chamber 10 through the air feeding mechanism and is sprayed out through the plurality of nozzles 11. When the braided bag carries out the bag end infolding, under the bag end state that inserts the braided bag at 5 one ends of folded plate, 11 spun air of nozzle make the braided bag on the one hand can level and smooth as far as possible, reduce the risk that the braided bag appears the fold to be convenient for follow-up making. On the other hand, when the folded plate 5 returns to the throne after accomplishing the bag end infolding process of braided bag, give the braided bag through sending into the air and keep away from the power of folded plate 5 in to the contact of folded plate 5 and braided bag in reducing, avoid having static or will originally have the braided bag end of infolding finishing through frictional force between the two, take out once more.

Further, the air supply mechanism adopts an air pump which is provided with an air exhaust end and an air outlet end. The air exhaust end is connected with the plurality of pneumatic suckers 63 so as to provide stable suction force for the opening of the woven bag through the plurality of pneumatic suckers 63. One side of the air outlet end is communicated with an exhaust pipe 13, and one end of the exhaust pipe 13 is communicated with the installation cavity 10 positioned in the inner folded plate 5.

This application ingenious utilization air pump is from the end of bleeding in area and the end of giving vent to anger, and attracts fixedly through end, the pneumatic sucking disc of bleeding to the opening both sides of braided bag. And air is injected to the bag bottom of the woven bag in the inward folding process through the air outlet end. In addition, the characteristics of the woven bag are utilized, namely, the woven bag has air permeability. Therefore, even if the bag bottom of the woven bag is folded inwards and then air is sprayed, the air is dissipated after the air is temporarily stopped at the M-shaped folding position, and the bag bottom of the woven bag cannot be expanded and deformed.

Further, the driving member 3 includes a housing 31, a piston 32 is slidably connected in the housing 31, and the piston 32 is in sealing contact with an inner wall of the housing 31. A spring 33 is fixedly connected to one end of the piston 32, and one end of the spring 33, which is far away from the piston 32, is connected with the inner wall of the housing 31. The other end of the piston 32 is fixedly connected with a sliding rod 34, and one end of the sliding rod 34 penetrating through the shell 31 is fixedly connected with the feeding plate 2. An opening 35 through which the sliding rod 34 can pass is formed in one side of the housing 31, and a sealing ring matched with the sliding rod 34 is arranged at the opening 35 of the housing 31 and can prevent gas from leaking.

An air inlet 36 is arranged at one end of the casing 31 far away from the opening 35, the air inlet 36 is connected with an air outlet end of the air pump through a hose, an air outlet 37 is arranged on the side wall of the casing 31, and the air outlet 37 is communicated with the installation cavity 10 in the inner folding plate 5 through the exhaust pipe 13.

When the piston 32 moves to one end of the housing 31 and the slide rod 34 is fully extended, the spring 33 is under tension and the air inlet 36 communicates with the air outlet 37 via the interior volume of the housing 31.

This application is ingenious has utilized an air supply, and the air pump has just all realized the interior process of rolling over at the bottom of whole braided bag promptly. Specifically, the method comprises the following steps:

when the woven bag needs to be turned over, the woven bag is placed between the lifting block 62 and the feeding plate 2, the plurality of pneumatic suction cups 63 are respectively abutted to the woven bag, then the air pump is started, and the plurality of pneumatic suction cups 63 are enabled to attract and fix the woven bag. At this time, with the continuous air suction of the air pump, the air is sent into the housing 31 of the driving member 3 through the air outlet end of the air pump and the hose, so that the air pressure in the housing 31 starts to increase, the piston 32 is pushed to move towards the opening 35 of the housing 31, and finally the feeding plate 2 is driven to move towards the supporting frame 4 through the sliding rod 34.

Then, the control slope 9 abuts against the control ball 82, the control bar 81 drives the lifting block 62 and the corresponding pneumatic suction cup 63 to move upwards under the pushing of the control ball 82, and at the moment, the port of the woven bag is spread. When the control inclined plane 9 is separated from the control ball 82 and the control ball 82 is abutted against the control bar 81, the height of the lifting block 62 is in a constant state, and the port of the woven bag is in a stable opening state.

Meanwhile, the driving rack 71 controls the driving gear 73 to rotate, and then the driving gear 73 drives the driven rack 72 to drive the supporting frame 4 to move, so that the feeding plate 2 and the supporting frame 4 are close to each other.

When the piston 32 moves to one end of the housing 31 and the slide rod 34 is fully extended, the inner flap 5 abuts against the woven bag. At this time, the spring 33 in the housing 31 is in a stretched state, and the air inlet 36 is communicated with the air outlet 37 through the inner cavity of the housing 31. The air outlet end of the air pump continuously discharges air, and the air can enter the installation cavity 10 of the inner folded plate 5 through the air outlet 37 and the exhaust pipe 13 and is finally sprayed out through the plurality of nozzles 11.

When the air pump is turned off, the process is reversed. And will not be described in detail herein. In addition, the air pump of the present application adopts chinese patent with publication No. CN205078420U to disclose an air pump for both inflation and exhaust. After the air pump is turned off, the high-pressure air in the housing 31 can be discharged reversely by the air pump, and the piston 32 is reset under the elastic potential energy of the spring 33.

The specific embodiments are only for explaining the present invention, and the present invention is not limited thereto, and those skilled in the art can make modifications without inventive contribution to the present embodiments as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. The utility model provides an automatic infolding M type device of braided bag, includes workstation (1), its characterized in that: workstation (1) is improved level sliding connection and is had feed table (2), be provided with on feed table (2) and prop a mouthful mechanism (6), prop a mouthful mechanism (6) and be used for the centre gripping braided bag and prop open the port of braided bag, be provided with support frame (4) on workstation (1), support frame (4) orientation one side of feed table (2) is provided with interior folded plate (5), interior folded plate (5) can pass prop a mouthful mechanism (6) and promote the braided bag motion, be provided with on workstation (1) and be used for the drive feed table (2) horizontal motion driving piece (3).

2. The automatic inward folding M-shaped device for the woven bag according to claim 1, wherein: prop mouthful mechanism (6) including being fixed in portal frame (61) and vertical sliding connection in the portal frame (61) of feed table (2) upper end pull piece (62), the lower terminal surface of pull piece (62) and the up end of feed table (2) is provided with a plurality of pneumatic suction cups (63) respectively, workstation (1) with be provided with between portal frame (61) and drive pull piece (62) vertical motion's control mechanism (8).

3. The automatic inward folding M-shaped device for the woven bag according to claim 2, characterized in that: the control mechanism (8) comprises a control strip (81) arranged on the side wall of the lifting block (62) and a control ball (82) fixed at the upper end of the workbench (1), wherein one side, facing the support frame (4), of the control strip (81) is provided with a control inclined plane (9) capable of being abutted to the control ball (82).

4. The automatic inward folding M-shaped device for the woven bag according to claim 1, wherein: the supporting frame (4) is horizontally connected with the workbench (1) in a sliding mode, and a management and control mechanism (7) capable of driving the supporting frame (4) to move towards the feeding plate (2) is arranged between the workbench (1) and the supporting frame (4).

5. The automatic inward folding M-shaped device for the woven bag according to claim 4 is characterized in that: management and control mechanism (7) are including the level be fixed in drive rack (71) on feed table (2), the level be fixed in driven rack (72) on support frame (4) and rotate connect in drive gear (73) on workstation (1), drive rack (71) with driven rack (72) distribute in the both sides of drive gear (73), and respectively with drive gear (73) meshing.

6. The automatic inward folding M-shaped device for the woven bag according to claim 5, wherein: an installation cavity (10) is formed in the inner folded plate (5), one side, facing the feeding plate (2), of the inner folded plate (5) is connected with a plurality of nozzles (11), and a gas feeding mechanism (12) used for feeding gas into the installation cavity (10) is arranged between the workbench (1) and the support frame (4); the air supply mechanism is an air pump with an air exhaust end and an air outlet end, the air exhaust end is connected with a plurality of pneumatic suckers (63), one side of the air outlet end is communicated with an exhaust pipe (13), and one end of the exhaust pipe (13) is communicated with an installation cavity (10) in the inner folded plate (5).