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One-off forming machine for sewing-up valve sack double openings

A valve pocket and forming machine technology, applied in envelope/bag manufacturing machinery, paper/cardboard containers, containers, etc., can solve the problems of many occupants, unstable production quality, low efficiency, etc. High efficiency and the effect of ensuring suture quality

Inactive Publication Date: 2012-07-04
JINAN LIYU MACHINERY TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For valve pockets with upper and lower openings, the current seam equipment production process is a sewing machine with two people operating, one seam is sewn first, and then the other seam is sewn; it takes up a lot of people, low efficiency, and unstable production quality

Method used

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  • One-off forming machine for sewing-up valve sack double openings
  • One-off forming machine for sewing-up valve sack double openings
  • One-off forming machine for sewing-up valve sack double openings

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0017] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0018] Such as figure 1 , figure 2 , image 3 shown. The valve bag double-slit one-time molding machine includes a frame 1 and a workbench 2 arranged on the frame. The frame 1 is welded as a whole with a square steel structure. The extent to which the front and rear ends of the workbench 2 protrude outside the frame 1 is determined according to actual needs. The side of the feed port 26 of the valve pocket is extended outward to facilitate the valve pocket. Feed operation.

[0019] The drive roller 3 and the driven roller 31 connected by the lower conveyor belt 16 are arranged on the frame 1. There are three conveyor belts connecting the drive roller 3 and the driven roller 31. Their movement modes and mechanism settings are all the same. The lower conveyor belt 16 on the side and the third lower conveyor belt 24 in the middle of the dri...

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Abstract

A one-off forming machine for sewing-up valve sack double openings belongs to the woven bag sewing-up equipment and is used for improving the sewing efficiency of the valve sack double openings. The one-off forming machine for sewing-up valve sack double openings comprises a frame and a workbench, and the frame is equipped with a drive roll, a driven roll, a synchronous drive shaft, a synchronousdriven shaft, a left-side sewing machine, a right-side sewing machine, an upper conveyer belt and a lower conveyer belt. When the one-off forming machine for sewing-up valve sack double openings works, a drive motor runs to drive the drive roll and the synchronous drive shaft, the upper conveyer belt and the lower conveyer belt to run synchronously, so that the valve sack is clamped to move from the front to the back of the workbench, and automatic sewing and thread breaking of the left opening and the right opening are completed by the left-side sewing machine and the right-side sewing machine respectively, and finally, the sewed valve sack is delivered out by the conveyer belts. For the valve sack with upper and lower openings, the one-off forming machine has high sewing efficiency and less occupied people, and the double openings can be completed at once.

Description

technical field [0001] The invention relates to a woven bag seam device, in particular to a valve bag double seam once forming machine. Background technique [0002] Valve bag, commonly known as: paste bottom bag, is a popular packaging bag in the world at present. The material is fed from the top or bottom valve port. Special filling equipment is used. After filling the material, it is packed into a cube. The stacking is neat and beautiful. The valve bag has the characteristics of improving packaging efficiency, convenient transportation, strong firmness, and low damage rate. Valve bags are mainly used for packing food powder, chemical powder, fertilizer, synthetic materials, explosives, grain, salt, minerals and other powdery or granular solid materials and flexible items. It is especially suitable for export enterprises and can improve the packaging grade of products. [0003] According to the opening, the valve pockets can be divided into: upper opening valve pockets, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B31B43/00B31B50/59
Inventor 李靖宇
Owner JINAN LIYU MACHINERY TECH
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