Adhesive conveying system with dosage control

A dose control and glue delivery technology, which is applied to the surface coating liquid device, coating, etc., can solve the problems of fluid pressure changes on the pipe wall, easy blockage, and affecting the delivery volume of A glue, etc., to achieve stable delivery and simple structure Effect

Inactive Publication Date: 2013-12-25
CHONGQING SINSTAR PACKAGING MACHINERY
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the A glue mixed with crystallization is transported by the pump, it is easy to block the pipe wall at the front and rear ends of the pump, causing the fluid pressure of the pipe wall to change, which in turn affects the delivery volume of A glue, and cannot meet the ratio requirements of A / B glue

Method used

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  • Adhesive conveying system with dosage control
  • Adhesive conveying system with dosage control

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Embodiment Construction

[0016] combine figure 1 , figure 2 Specifically describe the embodiment of the invention, a rubber hose pressure detection device, A glue barrel 1 is equipped with A glue, B glue barrel 2 is equipped with B glue, A glue barrel 1 is connected with the metering pump 3 outside the barrel through a pipeline, The metering pump 3 is connected with the rubber mixing valve 6 through the pipeline; the B rubber barrel 2 is connected with the metering pump 4 outside the barrel through the pipeline, and the metering pump 4 is connected with the rubber mixing valve 6 through the pipeline, and the rubber mixing valve 6 is connected with the sprayer Glue gun 7 connection. Glue A and glue B are respectively pumped by the metering pump 3 and metering pump 4 to the rubber mixing valve 6 to converge, and then flow out from the glue gun 7, thus forming the delivery path of the A / B glue.

[0017] In the glue delivery path of A, a pressure sensor 5 is provided on the pipeline connecting the mete...

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Abstract

The invention discloses an adhesive conveying system with dosage control. The adhesive conveying system comprises an adhesive A conveying channel and an adhesive B conveying channel and is characterized in that the adhesive A conveying channel and the adhesive B conveying channel are respectively provided with a metering pump A and a metering pump B, an adhesive mixing valve is arranged at the joint of the adhesive A conveying channel and the adhesive B conveying channel, and a pressure detection device is also arranged between the metering pump A and the adhesive mixing valve, a pressure sensor is connected with a control unit through signals, the control unit is connected with an alarm apparatus through signals and is a PLC (Programmable Logic Controller). The alarm apparatus is an audible and visual alarm. The adhesive mixing valve is connected with an adhesive spraying gun through a pipeline. The adhesive conveying system has the beneficial effects of being capable of monitoring the pressure change of the adhesive A conveying pipe in real time, further judging whether a blockage point is in the front end or the rear end of the metering pump, and providing an alarm signal to remind an operator of processing a fault.

Description

technical field [0001] The invention relates to the technical field of glue dispensing in a composite process of flexible packaging, in particular to a dose-controlled glue delivery system. Background technique [0002] Two-component adhesives are commonly used in the flexible packaging lamination process, of which the larger proportion is called the main agent or A glue, and the smaller proportion is called the fixative or B glue. The adhesive has a high viscosity at room temperature, but still has a certain fluidity and is in a semi-solid state. When compounding, glue A and glue B are mixed in proportion and coated on the substrate by a coating roller. . Since each composite film has its own fixed ratio of A / B glue, and the ratio of films cannot be mixed, the ratio of A / B glue has become the key technology of the glue compounding process. Glue A needs to be treated with water before use, and the water and glue A will react to produce granular crystals. When the A glue m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05C11/10
Inventor 李永才罗朝建李明友
Owner CHONGQING SINSTAR PACKAGING MACHINERY
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