RU181331U1 - DEVICE FOR SEALING AND PACKING OF BULK MATERIALS - Google Patents

Abstract

A device for compaction and packaging of bulk materials relates to the field of mechanisms for compaction and packaging of bulk materials and can be used, in particular, in the forestry and woodworking industries. As well as in the field of domestic waste. The device comprises a housing, inside which a screw with a variable diameter is placed, which decreases towards the outlet, a forming pipe with a variable diameter connected to the housing, which decreases towards the outlet, a feed mechanism for packaging material, a bobbin with packaging material, an edge fastening mechanism packaging material and bag forming mechanism. The screw shaft is hollow, in the cavity of which the rod is placed with the possibility of movement along the longitudinal axis of the screw shaft, and a pusher is installed at the end of the rod. The device allows the packaging process of coarse bulk materials both in a vertical orientation in the device space and in a horizontal orientation without loss of compaction quality.

Description

A device for compaction and packaging of bulk materials relates to the field of mechanisms for compaction and packaging of bulk materials and can be used, in particular, in the forest industry, for compaction and packaging of crushed wood biomass, in the wood processing industry for compaction and packaging of waste that is generated in the process wood processing. As well as in the field of domestic waste processing for compaction and packaging of household waste.

A device is known that allows compacting solid household waste, comprising a housing, a feed screw, a screw made with a diameter and pitch not exceeding the diameter and pitch of the feed screw, a pressing mechanism [1].

The disadvantages of the device is the inability to obtain large lengths of bulk compacted material, due to the limited stroke of the pressing mechanism. Also, in this device there is no mechanism for implementing the packaging process.

A device for the manufacture of sausage-like products, comprising a housing, a pressing mechanism, a device for supplying packaging material, a mechanism for fastening edges, a mechanism for forming a package, a brake mechanism, equipment for controlling the speed of formation of sausage-shaped products [2].

This device can be used only for the formation of products with a fine-grained bulk composition, the use of a hydraulic press does not allow to achieve the required performance. In addition, since the compaction of bulk material is carried out in a package, it must have high strength characteristics.

The closest known analogues adopted for the prototype is a device operating according to the method described in patent No. 2096278 [3]. The device is used for filling, packaging and sealing fine-grained bulk material.

The device comprises a housing forming a nozzle with a variable diameter, which decreases towards the outlet. A screw with a variable diameter, which decreases towards the outlet, is placed inside the forming pipe and housing. Also, the prototype contains a feeding mechanism for the packaging material, a reel with packaging material, a mechanism for fastening the edges of the packaging material, and a bag forming mechanism.

This device does not allow to qualitatively carry out the process of packaging large coarse bulk material, since for its compaction it is necessary to create high pressures.

In addition, a disadvantage of the device described above is the method of packaging, which depends on the orientation of the device in space. So with the horizontal orientation of the device, the method is not effective, since the separation of the packets is impossible, due to the lack of an empty cavity in the place where the sealing heads are located.

The technical result, which is achieved by the claimed utility model, is to improve the quality of packaging of coarse bulk materials by pushing, followed by pressing the bulk compacted material with a pusher when moving the rod along the longitudinal axis of the screw. In addition, it is possible to form bags with bulk material both in a vertical orientation in the device space and in a horizontal orientation without loss of seal quality.

The technical result is achieved due to the fact that the screw shaft is made hollow, in the cavity of which the rod is placed with the possibility of movement along the longitudinal axis of the screw shaft, and a pusher is installed at the end of the rod.

The device is explained graphically, where:

FIG. 1 - The process of feeding and compaction of bulk material;

FIG. 2 - The process of pushing, followed by preloading the compacted bulk material;

FIG. 3 - The process of forming a transverse seam;

FIG. 4 - The process of separating the finished package.

A device for compaction and packaging of bulk materials contains a housing 1, inside which is placed a screw connected to the housing 1 forming a pipe 2.

The screw consists of the shaft of the screw 6 and the turns of the screw 7. The turns of the screw 7, it is advisable to carry out with a variable diameter and pitch, which decreases towards the outlet, this will allow you to compact the bulk material 8 before serving it in the package 9.

The forming pipe 2 is made with a variable diameter, which decreases towards the outlet. This contributes to an even greater compaction of the bulk material 8 before feeding it into the package 9.

The feeding material of the packaging material consists of rollers 10 and guide plates 11. Using the rollers 10, the tension and feed rate of the packaging material 4 are controlled. Due to the guide plates 11, the packaging material 4 is wrapped around the forming pipe 2. The packaging material 4 must first be wound on a reel 3.

The mechanism of bonding the edges 5 carries out the process of bonding the edges of the packaging material 4, with the formation of a longitudinal seam 12 on the package 9. The mechanism of bonding the edges 5 is made in the form of a heating roller, which is adjacent to the packaging material 4, and that, in turn, to the forming pipe 2. Due to heating, the edges of the packaging material 4 are melted, thereby they are fastened and form a longitudinal seam 12.

The mechanism for forming the package consists of sealing heads 13 and 14. The sealing heads 13 and 14 are heating plates that melt the packaging material 4. Using the sealing heads 13 and 14, the package 9 is sealed and a transverse seam 19 is formed. By increasing the degree of heating, branch.

The shaft of the screw 6 is made hollow, in the cavity of which the rod 15 is placed with the possibility of movement along the longitudinal axis of the shaft of the screw 6, and the pusher 16 is installed at the end of the rod 15. The pusher 16 can be made in the form of a round of the screw or push plate in the shape of a circle, with a notch 1 / 4 parts.

The operation of the device is as follows.

The packaging material 4 from the reel 3 through the rollers 10 enters the guide plates 11 and wraps around the forming pipe 2.

Using the mechanism of bonding edges 5 carries out the process of bonding the edges of the packaging material 4, with the formation of a longitudinal seam 12 on the package 9

Through the housing 1, forming the pipe 2, with the help of a screw, the supply and compaction of bulk material 8. is performed. Upon completion of the process of forming the package 9 with a compacted bulk material 17, the flow of bulk material 8 is stopped.

Next, the ejection is carried out, followed by pressing the compacted bulk material 17. The ejection and preloading is carried out by moving along the longitudinal axis of the screw shaft 6 of the rod 15 and the pusher 16. The process continues until the pusher 16 goes beyond the location of the sealing heads 13 and 14 .

After the rod 15 and the pusher 16 reach the specified level, they are moved back. As a result of this process, an empty cavity 18 is formed in the place where the sealing heads 13 and 14 are located.

After the formation of an empty cavity 18, the sealing heads 13 and 14 begin to move, and together of their contact, a transverse seam 19 is formed. By increasing the degree of heating, separation is performed at the place where the transverse seam 19 is formed.

As a result of separation, a finished bag 20 and a bag 9 with a transverse seam 19 are obtained.

Further, through the housing 1, forming the pipe 2 with the help of a screw, the supply and compaction of bulk material 8 is performed, after which the process is repeated.

Thus, the device for compaction and packaging of bulk materials can improve the quality of packaging of coarse bulk materials by pushing, followed by pressing the bulk compacted material with a pusher when moving the rod along the longitudinal axis of the screw. In addition, it is possible to form bags with bulk material both in a vertical orientation in the device space and in a horizontal orientation without loss of seal quality.

BIBLIOGRAPHY

1. Copyright certificate RU 2455168 "Screw press for compaction of solid waste", declared 01/17/2008

2. Copyright certificate RU 2543295 "Clipper and method of control", filed December 1, 2011

3. Patent for utility model RU 2096278 “Method for the manufacture, filling of a product and sealing bags of heat-adhesive material”, filed January 30, 1996.

Claims (1)

A device for sealing and packaging bulk materials, comprising a housing, inside which a screw with a variable diameter is placed, which decreases towards the outlet, a forming pipe with a variable diameter connected to the housing, which decreases towards the outlet, a feeding mechanism for the packaging material, a reel with packaging material, a mechanism for fastening the edges of the packaging material and the package forming mechanism, characterized in that the screw shaft is hollow in its cavity a rod is placed with the possibility of movement along the longitudinal axis of the screw shaft, and a pusher is installed at the end of the rod.

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