CN215884255U - Material conveying mechanism of packaging machine - Google Patents

Abstract

The material conveying mechanism of the packaging machine comprises a conveying channel for driving materials to sequentially advance, a stopping piece for stopping the advancing of the materials, an interrupting piece for interrupting the upstream materials from continuously advancing towards the stopping piece, and a side pushing piece for laterally pushing the materials stopped between the interrupting piece and the stopping piece away from the conveying channel. The utility model has the advantages that the retraction action of the stopping piece releases the extrusion force among the materials, and the friction force caused by the extrusion force is avoided, thereby avoiding the deformation and abrasion of the materials caused by the friction force and ensuring the smooth operation of the subsequent packaging process.

Description

Material conveying mechanism of packaging machine

Technical Field

The utility model relates to a mechanism for conveying materials, in particular to a material conveying mechanism applied to a packaging machine.

Background

In a material conveying mechanism of a packaging machine, it is often necessary to provide a stop at the end of the material conveying channel to stop the travel of the material and a side push to push the material laterally away from the conveying channel. The stopping piece stops the materials which sequentially advance in the conveying channel, and the side pushing piece pushes the stopped materials out of the conveying channel integrally.

Because the intercepted materials are pushed and extruded by the subsequently sent materials, certain extrusion force is generated between the materials. This compressive force continues to exist even if the delivery of subsequent material is interrupted. When the side pushing piece pushes the materials laterally away from the conveying channel, large friction is generated between the pushed materials and the materials left in the conveying channel, the materials are easy to deform and even wear, and the friction can cause the arrangement regularity of the whole row of the materials pushed away from the conveying channel to be influenced, so that the materials are arranged askew, and adverse effects are caused to the subsequent packaging process.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a material conveying mechanism of a packaging machine, which aims to overcome the defects in the prior art.

The utility model is realized by the following steps: the material conveying mechanism of the packaging machine comprises a conveying channel for driving materials to sequentially advance, a stopping piece for stopping the advancing of the materials, an interruption piece located at the upstream of the stopping piece and used for blocking subsequent materials from continuing to advance towards the stopping piece, and a side pushing piece for laterally pushing the materials stopped between the interruption piece and the stopping piece away from the conveying channel.

In a preferred embodiment, the transfer passage is divided into a powered upstream section and an unpowered downstream section, the downstream section having a beginning adjacent the end of the upstream section and a boundary with the upstream section downstream of the interrupter and upstream of the stopper.

The utility model has the advantages that the moving mechanism drives the retraction action of the stopping piece to release the extrusion force between the materials, when the side pushing piece pushes the materials stopped between the stopping piece and the stopping piece away from the conveying channel, the friction force between the pushed materials and the materials remained in the conveying channel is greatly weakened or even zero, thereby avoiding the deformation and abrasion of the materials caused by the friction force, avoiding damaging the regularity of the material arrangement due to the existence of the friction force when the materials are pushed away from the conveying channel, and ensuring the smooth operation of the subsequent packaging process. The utility model is particularly suitable for paper roll packaging machines.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a schematic view of the blocking action of the interrupter;

FIG. 4 is a schematic view of the retraction of the interceptor;

FIG. 5 is a schematic view of a side pusher pushing material away from a conveying channel;

fig. 6 is a schematic view of one material being interrupted by an interruption and another material not being interrupted by an interruption being pulled apart by a distance.

Detailed Description

To facilitate an understanding of the utility model, the utility model is described more fully below with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. These embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Referring to fig. 1 and 2, a material feeding mechanism of a packaging machine includes a feeding path formed by an endless belt 1 and a juxtaposed row of rollers 2. The endless belt 1 receives the materials continuously fed from the upstream mechanism and drives the materials to move in sequence. The drum 2 is a freely rotatable drum that is not powered. After the materials are driven by the circulating belt 1 to move to the roller 2, the materials slide on the roller 2 one by means of the pushing force of the rear materials on the front materials.

Referring to fig. 1 and 2, a stop 3 for stopping the material from advancing is provided at a position near the end of the conveying passage. Upstream of the stop 3, a stop 4 is provided to stop further material from proceeding towards the stop. The interrupters 4 of the present embodiment are disposed on the left and right sides of the endless belt 1. The interrupt piece 4 is connected to a cylinder 5. The interruption piece 4 is not activated when the material between the interruption piece 4 and the interruption piece 3 is not yet full. After the material stopped between the interruption piece 4 and the interruption piece 3 is fully squeezed, as shown in fig. 3, the cylinder 5 pushes the interruption piece 4, so that the interruption piece 4 clamps the material from the left and right sides of the material, and the subsequently sent material is blocked from continuing to advance towards the interruption piece 3.

Referring to fig. 1 and 2, the stopper 3 is connected to the moving mechanism 6. Whenever the material stopped between the interruption 4 and the interruption 3 is full and the interruption 4 blocks the travel of the subsequent material, as shown in fig. 4, the moving mechanism 6 drives the interruption 3 to retract away from the interruption 4, so that the distance between the interruption 3 and the interruption 4 increases, thereby releasing the pressure on the material a-G which was originally squeezed between the interruption 4 and the interruption 3, and also releasing the squeezing force between the material H which was blocked by the interruption and which is closest to the interruption and the material G which is not blocked by the interruption and which is closest to the interruption. The moving mechanism 6 can be selected as an air cylinder, a servo motor or other driving structures. The moving mechanism 6 of the illustrated embodiment employs a pneumatic cylinder which drives the retraction and return of the break 4.

A side push piece 7 is arranged at the side of the row of rollers 2. As shown in fig. 5, the material a-G intercepted between the interruption 4 and the interception 3 is pushed laterally away from the conveying channel by the side push 7. The mechanism for driving the side pushing element 7 to move can adopt a transmission mechanism such as a synchronous belt, a chain and the like. Since the retraction movement of the stop member 3 in fig. 4 releases the pressing force between the material H which is blocked by the first blocking member and the material G which is not blocked by the immediately adjacent blocking member, the friction between the material G which is pushed away and the material H which remains in the conveying channel is greatly reduced when the side push members 7 push the materials a-G laterally away from the conveying channel, thereby avoiding adverse effects due to such friction. After the side pushing member 7 pushes the material a-G stopped between the stopping member 4 and the stopping member 3 away from the conveying channel, the moving mechanism 6 drives the stopping member 3 to return to the original position before retraction, that is, to the position shown in fig. 2, the side pushing member 7 and the stopping member 4 also return to the position shown in fig. 2, and the conveying channel continues to convey the material.

In a preferred embodiment, the transfer passage is divided into a powered upstream section and a non-powered downstream section, the downstream section having a beginning adjacent the end of the upstream section and the downstream section being separated from the upstream section by a boundary downstream of the interrupter and upstream of the stop. For example, as shown in fig. 1 and 2, the upstream section of the conveying channel is a power-driven endless belt 1, the downstream section of the conveying channel is a row of rollers 2 which are not driven, and a boundary 8 between the endless belt 1 and the rollers 2 is positioned at the downstream of the interrupt member 4 and at the upstream of the stop member 3. The advantage of this arrangement is that after the interruption 4 has interrupted the travel of the following material as shown in fig. 3, the upstream section of the conveying channel still maintains the driving force for moving the material, i.e. the endless belt 1 still remains running, so that the endless belt 1 still has a pushing force on the part G, F of the material intercepted between the interruption and the interruption close to the interruption 4, so that after the retraction of the interruption 3, as shown in fig. 6, the material a-G intercepted between the interruption 4 and the interruption 3 remains always in close alignment under this pushing force and is not affected by the retraction of the interruption. Furthermore, as shown in fig. 6, the pushing force causes the material H blocked by the blocking member arranged at the front and the material G not blocked by the blocking member to be separated by a distance, so that when the side pushing member 7 pushes the materials a-G blocked between the blocking member and the blocking member laterally away from the conveying passage, the pushed-away materials G are not in contact with the material H remaining in the conveying passage at all, and no friction force exists between the materials G and the materials H, thereby more thoroughly avoiding various adverse effects caused by the friction force.

It should be noted that the powered upstream section is not limited to an endless belt, and may be, for example, a row of powered rollers. The unpowered downstream section is not limited to rollers and may be, for example, a smooth plate along which the material is caused to slide.

It should be noted that the interrupting member according to the present invention is not limited to the illustrated embodiment, and may be, for example, a flap that moves up and down, and that blocks the flap when the flap moves down to the lowest position.

It should be noted that each drawing is a schematic diagram of the conveying mechanism, and some configurations not related to the object of the present invention are omitted. For example, the conveying mechanism of a packaging machine is usually also provided with a guide member driven by a cylinder and moving synchronously with the side pushing member, which guide member rests beside the material and moves along with the material while the side pushing member pushes the material out of the conveying path, serving to prevent the material from deviating from the moving path.

It should be noted that a packaging machine may be provided with a plurality of conveying channels, the plurality of conveying channels are arranged side by side, and each conveying channel is provided with the interrupting piece, the side pushing piece, the stopping piece and the moving mechanism connected with the stopping piece.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the spirit and scope of the utility model. The protection scope of the present invention should be subject to the appended claims.

Claims (2)

1. The material conveying mechanism of the packing machine comprises a conveying channel for driving materials to sequentially advance, a stopping piece for stopping the materials to advance, an interruption piece positioned at the upstream of the stopping piece and used for blocking subsequent materials to continue to advance towards the stopping piece, and a side pushing piece for pushing the materials stopped between the interruption piece and the stopping piece laterally away from the conveying channel, and is characterized in that: the stopping piece is connected with the moving mechanism, when the materials stopped between the stopping piece and the stopping piece are fully extruded and the stopping piece blocks the follow-up materials from advancing, the moving mechanism drives the stopping piece to retract towards the direction far away from the stopping piece, and when the side pushing piece pushes the materials stopped between the stopping piece and the stopping piece away from the conveying channel, the moving mechanism drives the stopping piece to return to the original position before retraction.

2. The material conveying mechanism of a packaging machine according to claim 1, wherein: the conveying channel is divided into an upstream section driven by power and a downstream section driven by no power, the initial end of the downstream section is adjacent to the tail end of the upstream section, and the boundary of the downstream section and the upstream section is positioned at the downstream of the interrupt piece and the upstream of the stop piece.

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