阅读说明：本技术 一种割袋机 (Bag cutting machine ) 是由 闫吉祥 周树彪 孙红金 高树平 刘伟 刘洪亮 于 2021-09-01 设计创作，主要内容包括：本发明适用于拆包技术领域,提供了一种割袋机,包括：并列布置的两个链板输送带,所述链板输送带固定连接框体；割刀组件,其固定连接在两个所述链板输送带之间,用于切割包装袋；所述链板输送带设有挂袋组件,所述挂袋组件用于挂接所述包装袋；所述挂袋组件包括：若干挂袋板、若干挂刺、上挡板和下挡板,所述挂袋板固定连接所述链板输送带上的链板,所述挂刺铰接所述挂袋板。借此,本发明其利用可旋转伸缩的挂刺,在投料时牢牢挂紧包装袋,减少因包装袋变形产生的物料残留；投料后挂刺旋转缩回,将包装袋脱离,减少脱离不彻底的现象,实现包装袋定点顺利排出,将包装袋汇集处理,并且实现包装袋的连续上料、拆包及废袋的排出。(The invention is suitable for the technical field of unpacking, and provides a bag cutting machine, which comprises: the chain plate conveying belts are arranged in parallel and fixedly connected with the frame body; the cutting knife assembly is fixedly connected between the two chain plate conveying belts and is used for cutting the packaging bag; the chain plate conveying belt is provided with a bag hanging component which is used for hanging the packaging bag; the hanging bag assembly comprises: the bag hanging device comprises a plurality of bag hanging plates, a plurality of hanging thorns, an upper baffle and a lower baffle, wherein the bag hanging plates are fixedly connected with chain plates on a chain plate conveying belt, and the hanging thorns are hinged with the bag hanging plates. Therefore, the rotatable and telescopic hanging thorn is utilized, the packaging bag is firmly hung during feeding, and material residues generated by deformation of the packaging bag are reduced; after the material is fed, the hanging thorn rotates and retracts, so that the packaging bag is separated, the phenomenon of incomplete separation is reduced, the packaging bag is smoothly discharged at a fixed point, the packaging bag is collected and treated, and the continuous feeding and unpacking of the packaging bag and the discharge of waste bags are realized.)

1. A bag cutting machine, characterized by comprising:

the packaging bag conveying device comprises two chain plate conveying belts which are arranged in parallel, wherein the chain plate conveying belts are fixedly connected with a frame body and used for conveying packaging bags;

the cutting knife assembly is fixedly connected between the two chain plate conveying belts and is used for cutting the packaging bag;

the chain plate conveying belt is provided with a bag hanging component which is used for hanging the packaging bag;

the hanging bag assembly comprises: the bag hanging plates are arranged corresponding to the chain plates on the chain plate conveying belt, the bag hanging plates are fixedly connected with the chain plates, the hanging thorns are hinged to the back surfaces of the bag hanging plates, the hanging thorns can rotatably extend out of the bag hanging plates, and the rotatably extending hanging thorns face upwards in the horizontal direction; two opposite bag hanging plates are arranged in a V shape.

2. The bag cutting machine according to claim 1, characterized in that the hanging thorn is provided with an arc-shaped structure, one end of the arc-shaped structure is hinged with the bag hanging plate, and the other end of the arc-shaped structure is provided with a needle head.

3. The bag cutting machine according to claim 2, wherein the plurality of hanging stabs are regularly arranged on the bag hanging plate from top to bottom, and the middle parts of the plurality of arc-shaped structures are hinged into a whole through a plurality of connecting plates.

4. The bag cutting machine according to claim 3, characterized in that a plurality of said barbs connected as a whole are fixedly connected with a guide pulley.

5. The bag cutting machine according to claim 4, wherein the bag hanging assembly further comprises lower baffle plates, the lower baffle plates are fixedly connected with the frame body, the lower baffle plates are located above the chain plate conveying belt, the lower baffle plates are arranged corresponding to the guide pulleys, the guide pulleys are slidably connected with the lower baffle plates, and the lower baffle plates control the lifting of the guide pulleys.

6. The bag cutting machine according to claim 5, characterized in that the lower baffle is provided with a bending structure, the bending structure can support the guide pulley, and the hanging stabs can be enabled to rotate and retract into the bag hanging plate.

7. The bag cutting machine of claim 6, wherein the bag hanging assembly further comprises an upper baffle plate fixedly connected above the lower baffle plate, and the distance between the upper baffle plate and the lower baffle plate is slightly larger than the diameter of the guide pulley.

8. The bag cutting machine according to any one of claims 1-7, characterized in that the barbs are provided with a limiting structure for limiting the rotational position of the barbs.

9. The bag cutting machine of claim 8, wherein the spacing between the flight conveyors is adjustable.

Technical Field

The invention relates to the technical field of unpacking, in particular to a bag cutting machine.

Background

At present, an automatic bag breaking machine can break and screen bagged materials, separate the materials in a packaging bag from the packaging bag after breaking, collect the materials in the bag, and discharge the broken bag. The wrapping bag complete separation after current automatic bag-breaking machine can't be with material and broken bag still can remain some materials in the wrapping bag to broken wrapping bag is most to have unordered end of a thread, often articulates on both sides link joint, causes the unable fixed point of wrapping bag to discharge, seriously influences the production progress.

In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.

Disclosure of Invention

In view of the above-mentioned drawbacks, an object of the present invention is to provide a bag cutting machine, which utilizes a rotatable and retractable hanging pin to firmly hang a packaging bag during feeding, and the hanging pin rotates and retracts after feeding to separate the packaging bag, thereby reducing the incomplete separation phenomenon, realizing smooth fixed-point discharge of the packaging bag, collecting the packaging bag, and reducing the material residue phenomenon caused by deformation of the packaging bag.

In order to achieve the above object, the present invention provides a bag cutting machine comprising:

the packaging bag conveying device comprises two chain plate conveying belts which are arranged in parallel, wherein the chain plate conveying belts are fixedly connected with a frame body and used for conveying packaging bags;

the cutting knife assembly is fixedly connected between the two chain plate conveying belts and is used for cutting the packaging bag;

the chain plate conveying belt is provided with a bag hanging component which is used for hanging the packaging bag;

the hanging bag assembly comprises: the bag hanging plates are arranged corresponding to the chain plates on the chain plate conveying belt, the bag hanging plates are fixedly connected with the chain plates, the hanging thorns are hinged to the back surfaces of the bag hanging plates, the hanging thorns can rotatably extend out of the bag hanging plates, and the rotatably extending hanging thorns face upwards in the horizontal direction; two opposite bag hanging plates are arranged in a V shape.

According to the bag cutting machine, the hanging thorn is provided with an arc-shaped structure, one end of the arc-shaped structure is hinged with the bag hanging plate, and the other end of the arc-shaped structure is provided with the needle head.

According to the bag cutting machine, the hanging stabs are regularly arranged on the bag hanging plate from top to bottom, and the middle parts of the arc-shaped structures are hinged into a whole through the connecting plates.

According to the bag cutting machine, the hanging stabs are fixedly connected with the guide pulleys in an integrated manner.

According to the bag cutting machine, the bag hanging assembly further comprises lower baffle plates, the lower baffle plates are fixedly connected with the frame body and are located above the chain plate conveying belt, the lower baffle plates are arranged corresponding to the guide pulleys, the guide pulleys are connected with the lower baffle plates in a sliding mode, and the lower baffle plates control the guide pulleys to lift.

According to the bag cutting machine, the lower baffle is provided with a bending structure, and the bending structure supports the guide pulley, so that the hanging stabs can be enabled to rotate and retract into the bag hanging plate.

According to the bag cutting machine, the bag hanging assembly further comprises an upper baffle plate, the upper baffle plate is fixedly connected above the lower baffle plate, and the distance between the upper baffle plate and the lower baffle plate is slightly larger than the diameter of the guide pulley.

According to the bag cutting machine, the hanging thorns are provided with limiting structures, and the limiting structures are used for limiting the rotating positions of the hanging thorns.

According to the bag cutting machine, the distance between the chain plate conveying belts is adjustable.

The inclined bag hanging plate is utilized, so that the phenomenon of material residue caused by deformation of the packaging bag is reduced; utilize rotatable flexible thorn of hanging, realize hanging of wrapping bag fixed with the release, during the wrapping bag release, hang the syringe needle slope on the thorn down, can not articulate the wrapping bag, the wrapping bag relies on the dead weight to drop, is the bag board of hanging that the V style of calligraphy was arranged and makes the material put in more thoroughly, has realized the classification of material and wrapping bag, and the wrapping bag is put in at the fixed point, and equipment stability is good, simple structure, convenient to use to realize the continuous material loading of wrapping bag, bale breaking and the discharge of useless bag.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic left side view of the present invention;

FIG. 3 is a schematic view of the back side of the hanging bag assembly of the present invention;

FIG. 4 is a schematic view of a first operational state of the hanging bag assembly of the present invention;

FIG. 5 is a schematic view of a second operational state of the hanging bag assembly of the present invention;

FIG. 6 is a schematic front view of the present invention;

FIG. 7 is a schematic view of detail A of FIG. 6 according to the present invention;

FIG. 8 is a schematic view of a hook structure of the present invention;

FIG. 9 is a schematic front view of the hanging bag assembly of the present invention;

in the figure, 1-frame body, 11-material outlet, 2-chain plate conveyor belt, 3-cutter assembly, 4-bag hanging assembly, 41-bag hanging plate, 42-hanging thorn, 421-arc structure, 422-limit structure, 423-needle head, 43-connecting plate, 44-guide pulley, 45-upper baffle, 46-lower baffle, 461-bending structure, 5-feeding device and 6-packaging bag.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, the present invention provides a bag cutting machine. This cut bag machine includes: the bag hanging device comprises a frame body 1, two chain plate conveying belts 2, a cutting knife assembly 3 and a bag hanging assembly 4, wherein the two chain plate conveyors 2 are arranged in the frame body 1 in parallel, and the chain plate conveyors 2 are used for conveying packaging bags 6; the cutting knife assembly 3 is positioned between the two chain scraper conveyors 2, the cutting knife assembly 3 comprises a cutting knife, and the cutting knife assembly 3 is used for scratching the bottom surface of the packaging bag 6; a material outlet 11 is arranged below the cutting knife assembly 3 and is used for collecting materials at the same time; hang 4 fixed connection link joint conveyer belts of bag subassembly 2, hang bag subassembly 4 and be used for articulating wrapping bag 6, combine fig. 3 and fig. 6, hang bag subassembly 4 and include: the bag hanging plate 41 is fixedly connected with a chain plate on the chain plate conveying belt 2, the bag hanging plate 41 corresponds to the chain plate, the hanging thorns 42 are hinged to the back face of the bag hanging plate 41, avoidance spaces are formed in the bag hanging plate 41 corresponding to the hanging thorns 42 and used for enabling the hanging thorns 42 to extend out and retract in a rotating mode, and the hanging thorns 42 can rotate by adopting springs or air cylinders to provide rotating power.

Referring to fig. 2, two opposite bag hanging plates 41 on two chain plate conveyor belts 2 are arranged in a V shape, and the opening angle of the V shape is 0-150 degrees, so that the bag 6 is favorably accepted, the material in the bag 6 is favorably put in, and the bag 6 is prevented from being deformed when being hung, so that the material is remained in the bag 6, and the material is prevented from being put in incompletely. The inclined bag hanging plate 41 enables the materials of the packaging bag 6 to be completely and obliquely thrown.

Referring to fig. 5, when the hanging bag plate 41 needs to be extended from the hanging thorn 42, the hanging thorn 42 rotates downward, and the end of the hanging thorn 42 inclines upward and faces upward in the horizontal direction.

Referring to fig. 8, further, the hanging thorn 42 is provided with an arc-shaped structure 421, one end of the arc-shaped structure 421 is hinged above the accommodating space of the bag hanging plate 41, the other end of the arc-shaped structure 421 is provided with a needle 423, the needle 423 is conical or pyramid-shaped, the conical structure can prick the packaging bag 6 into a hole-shaped leak, and the pyramid-shaped structure can tear the packaging bag 6 into a larger irregular leak, so that the needle 423 can be more reliably hung on the packaging bag 6; the hanging thorns 42 are rotated downwards to extend out of the bag hanging plate 41, and the hanging thorns 42 are rotated upwards to retract into the bag hanging plate 41.

Referring to fig. 3 and 9, further, a plurality of hanging thorns 42 on the same bag hanging plate 41 are arranged up and down regularly, the plurality of hanging thorns 42 may be arranged side by side up and down or arranged crosswise up and down according to the size of the bag hanging plate 41, the plurality of hanging thorns 42 are arranged in a plurality of rows, and two adjacent rows of hanging thorns 42 may be aligned up and down or offset by a certain distance. The hanging thorns 42 are hinged in the middle of the arc-shaped structure 421 through the connecting plates 43, and the hanging thorns 42 are hinged into a whole, so that the hanging thorns 42 extend or retract simultaneously, and the hanging thorns 42 are convenient to control.

The hanging bag assembly 4 further comprises: go up baffle 45 and lower baffle 46, go up baffle 45 and lower baffle 46 fixed connection framework 1, connect as an organic whole hang thorn 42 and slide and connect and go up baffle 45 and lower baffle 46, go up baffle 45 and lower baffle 46 control and hang the relative position between thorn 42 and the bag board 41, hang thorn 42 in following the link joint conveyer belt 2 motion process, hang thorn 42 under the control of last baffle 45 and lower baffle 46, rotate from top to bottom, combine fig. 5, when the overhanging bag board 41 of hanging thorn 42 of needs, hang thorn 42 downwardly rotating, the terminal slope of hanging thorn 42 is up, towards the top of horizontal direction, through the experimental verification of inventor many times, the optimum scope of the terminal orientation of hanging thorn 42 is: perpendicular to the bag hanging plate 41 to the vertical direction. Referring to fig. 4, when the hanging spike 42 needs to be retracted into the bag hanging plate 41, the hanging spike 42 rotates upward, and after the upward rotation, the tail end of the hanging spike 42 slightly inclines downward and faces the escape space on the bag hanging plate 41.

Furthermore, a plurality of hanging thorns 42 which are connected into a whole are fixedly connected with a guide pulley 44 through a connecting plate 43, and the guide pulley 44 slides along the upper edge of the lower baffle 46, so that the friction force between the hanging thorns 42 and the lower baffle 46 is reduced, and the service life of the bag cutting machine is prolonged.

Referring to fig. 7, further, the distance between the upper baffle 45 and the lower baffle 46 is slightly larger than the diameter of the guide pulley 44, so that the moving range of the guide pulley 44 is more accurate, and the reliability of the extension of the hanging spike 42 is ensured, when the packaging bag 6 falls on the hanging spike 42, pressure is applied to the hanging spike 42, the hanging spike 42 is pressed downwards to rotate, the bag hanging plate 41 is retracted, the dissolving effect of the hanging spike 42 is affected, and the upper baffle 45 can counteract the pressure of the packaging bag 6, so that the reliability of the extension of the hanging spike 42 is ensured.

Furthermore, the lower baffle 46 is provided with an upward bending structure 461 at the rear half section, the upward bending structure 461 lifts the guide pulley 44, the hanging thorn 42 rotates downward under the action of the guide pulley 44, and the bag hanging plate 41 retracts, so that the packaging bag 6 is released.

Referring to fig. 8 and 4, further, the hanging strip 42 is provided with a limiting structure 422, and the limiting structure 422 controls the upward rotation angle of the hanging strip 42, so as to prevent the hanging strip 42 from rotating excessively to cause the phenomenon that the hanging strip 42 is stuck, and simultaneously control the orientation of the needle 423 when the hanging strip 42 retracts into the bag hanging plate 41.

Furthermore, the distance between the two chain plate conveyer belts 2 is adjustable, and the conventional sizes of the packaging bags 6 are as follows: 300-800mm, the distance between the two chain plate conveying belts 2 can be conveniently adjusted by arranging the adjusting threads on the transmission shaft, so that the bag cutting machine is suitable for more occasions.

When the bag cutting machine is used, the sealed packaging bags 6 are conveyed to the position above the chain plate conveying belt 2 by the external feeding device 5, the hanging thorns 42 are rotated to extend out of the bag hanging plate 41 under the action of the upper baffle plate 45 and the lower baffle plate 46, the packaging bags 6 fall on the bag hanging plate 41 on the chain plate conveying belt 2 by self weight, the packaging bags 6 are hung by the hanging thorns 42, the packaging bags 6 are conveyed forwards by the chain plate conveying belt 2 after the packaging bags 6 are hung, when the packaging bags pass through the cutter assembly 3, the lower parts of the packaging bags 6 are cut by the cutters, the bag hanging plates 41 on two sides are arranged in a V shape, the materials in the packaging bags 6 can freely fall along the inclined plane, the phenomenon that the materials are remained in the packaging bags 6 cannot occur, the materials uniformly fall in the material outlet 11 for uniform treatment, the emptied packaging bags 6 continue to move forwards, when the packaging bags reach a designated area, the hanging thorns 42 rotate and retract into the bag hanging plates 41 under the action of the upper baffle plate 45 and the lower baffle plate 46, the packaging bag 6 is released, the hanging thorn 42 rotates and retracts into the bag hanging plate 41, the tail end of the hanging thorn 42 rotates and inclines downwards, even if the packaging bag 6 is hung and pulled into the bag hanging plate 41 by the hanging thorn 42, the hanging thorn 42 faces downwards, the packaging bag 6 can be separated from the hanging thorn 42 by self weight, and the damaged packaging bag 6 can be thrown at the designated position. When the hanging thorn 42 moves to the lower part of the chain plate conveying belt 2 along with the hanging bag plate 41, the guide pulley 44 sags by means of dead weight, the hanging thorn 42 retracts to the hanging bag plate 41, the packaging bag 6 prevented from being released is hung on the hanging thorn 42 again, the hanging thorn 42 maintains a static state at a set angle under the action of the limiting structure 422, when the hanging thorn 42 moves to the upper part of the chain plate conveying belt 2 along with the hanging bag plate 41, the guide pulley 44 sags by means of dead weight again, the hanging thorn 42 extends out of the hanging bag plate 41, if the guide pulley 44 is blocked, the hanging thorn cannot fall automatically, the guide pulley 44 moves to the lower part of the upper baffle plate 45, the upper baffle plate 45 presses down the guide pulley 44, and the hanging thorn 42 is enabled to extend out of the hanging bag plate 41 in a rotating mode. When the packaging bag 6 falls on the hanging thorn 42, the hanging thorn 42 is stressed to rotate reversely and retracts into the bag hanging plate 41, the hanging effect of the hanging thorn 42 is affected, the hanging thorn 42 can be limited by the upper baffle plate 45, and the hanging thorn 42 can be hung reliably. The feeding device 5 continuously puts the packaging bags 6 into the chain plate conveying belt 2, continuous feeding, unpacking and waste bag unified collection are carried out, continuous operation is realized, and the production efficiency is high.

In conclusion, the inclined bag hanging plate is utilized, so that the phenomenon of material residue caused by deformation of the packaging bag is reduced; utilize rotatable flexible thorn of hanging, realize hanging of wrapping bag fixed with the release, during the wrapping bag release, hang the syringe needle slope on the thorn down, can not articulate the wrapping bag, the wrapping bag relies on the dead weight to drop, is the bag board of hanging that the V style of calligraphy was arranged and makes the material put in more thoroughly, has realized the classification of material and wrapping bag, and the wrapping bag is put in at the fixed point, and equipment stability is good, simple structure, convenient to use to realize the continuous material loading of wrapping bag, bale breaking and the discharge of useless bag.

In the description of the present invention, it is to be understood that the terms "upper", "lower", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.