Device for coating product, machine having such device, and method for controlling such machine
A coating device and product technology, applied in the direction of surface coating liquid device, spray device, spray device, etc., can solve the problem that non-variable flow coating device cannot be used
Pending Publication Date: 2022-03-08
艾克塞尔工业公司
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- Application Information
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Problems solved by technology
[0009] Needle and seat must be specially designed, which cannot be used with existing non-variable flow applicators
Method used
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Embodiment Construction
[0043] figure 1 A machine 1 is shown for coating products, in particular high viscosity products such as glued or sealed products (marginate etc.). The machine 1 has a coating device 3 for coating the product and a product dosing system 5 supplied with product from a source (not shown) of the product to be coated.
[0044] The dosing system 5 has an input 50 for the product, a dosing chamber 52 for the product and an output 54 for the product to the application device 3 . The dosing system 5 has a dosing piston 56 and an electric motor 58 which drives the dosing piston 56 to move in the chamber 52 through a mechanical motion transformation system, such as a ball screw.
[0045] The dosing system 5 is configured to deliver the product into the coating device 3 at an adjustable pressure. The speed and torque of the motor 58 is controlled to regulate the speed of movement of the dosing piston 56 and the pressure at which product is delivered from the output port 54 .
[0046] ...
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The invention relates to a coating device for coating a product, having a carrier in which a product tube is arranged, the carrier defining a longitudinal bore, having a needle in which the needle is mounted, having a product coating valve formed by a nozzle arranged on the carrier, and having a shutter, the valve is arranged at one end of a needle located in the product tube, the needle is configured to move along the longitudinal axis between a closed position for closing the product coating valve and an open position for opening the product coating valve, characterized in that the coating device has a stopper fixed relative to the needle and a stopper fixed relative to the support, and the stopper is configured to move along the longitudinal axis between a closed position for closing the product coating valve and an open position for opening the product coating valve. The stopper fixed relative to the bracket is configured to limit the needle head from returning to the closed position to a middle position between the closed position and the open position through interaction with the stopper fixed relative to the needle head; and the limiting device fixed relative to the bracket has an adjustable position.
Description
technical field [0001] The invention relates to a device for coating products, a machine with such a device and a method of controlling such a machine. Background technique [0002] In the field of coating glued or sealed products with robotic systems, the application flow has to be changed quickly in order, for example, to obtain wide or narrow glued or sealed product lines. This width change has to be done quickly to ensure a well-proportioned result and avoid wasting costly product. Because these products are viscous, the system must be dedicated. [0003] Electric product dosing or pressure control systems are driven by electric motors. In the case of low power and close coating of the dosing system, the motor speed is directly proportional to the product output. In the case of more dynamic application, or when the application is remote from the dosing system, the dosing or pressure control system has a relatively long reaction time due to the compressibility of the p...
Claims
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IPC IPC(8): B05B12/08
CPCB05B12/085B05C5/0225B05C5/0237B05B1/306B05C11/1028B05C11/1034H05K13/0469B05C5/0212B05C11/00
Inventor B·巴特罗S·罗伯特
Owner 艾克塞尔工业公司