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Machine Apparatus
Summary of the presnt invention about bag making machine
parameters used to control the machine is stored. The apparatus of claim 10 wherein the device-in nip is formed with at one least device-in servo-drive roll, and wherein the speed of the device in roll is controlled by the controller. The apparatus of claim 11 further including a device-out nip, wherein the film travels from the device to the device-out nip, and wherein the device-out nip is formed with at least one device-out servo-driven roll, and wherein the speed of the device-out roll is controlled by the controller.
The apparatus of claim 10 wherein the device-in nip is formed with at one least device-in servo-drive roll, and wherein the speed of the device in roll is controlled by the controller. The apparatus of claim 11 further including a device-out nip, wherein the film travels from the device to the device-out nip, and wherein the device-out nip is formed with at least one device-out servo-driven roll, and wherein the speed of the device-out roll is controlled by the controller. The apparatus of claim 12 wherein the controller includes an input used to select a one of the at least one set of operating parameters. he apparatus of claim 13 wherein the controller includes an input used to enter the at least one set of operating parameters.
The apparatus of claim 12 wherein the controller includes an input used to select a one of the at least one set of operating parameters. The apparatus of claim 13 wherein the controller includes an input used to enter the at least one set of operating parameters.
A plastic bag making machine comprising: a sealing means for sealing the bags; a processing device; a overspeed means for overspeeding the film, wherein the film travels from the drum to the overspeed means, and then to the device; a controller means for storing at least one set of operating parameters used to control the machine, wherein the control means are connected to the overspeed means and the sealing means.
The apparatus of claim 15 further including an underspeed means, wherein the film travels from the device to the underspeed means. The apparatus of claim 15 wherein the controller means includes an input means for selecting a one of the at least one set of operating parameters. The apparatus of claim 15 wherein the controller means includes an input means for entering the at least one set of operating parameters.
select one of a set of operating parameters and to enter at least one set of operating parameters, and a memory that stores the at least set, and at least one output for controlling the machine. The apparatus of claim 22 wherein the controller includes an input used to select the air cylinder pressure.
The apparatus of claim 22 wherein the controller includes an input used to enter the air cylinder pressure, and a memory for storing the pressure. sealing drum and blanket assembly 14 includes a cylindrical drum 28, which is capable of being varied in iameter. That feature is illustrated by the dotted circle illustrating a smaller diameter. A number of sealing bars 30 are also shown and periodically form cross seals across the flattened film tube 11. Sealing bars 30 are of conventional design and are disclosed in detail with respect to construction and operation in the '084 patent. A blanket 32 is mounted on rollers 34, 35, 36 and 37 for surrounding a portion of drum 28 in such a way that the film 11 passes between blanket 32 and drum 28 while seals are being formed. Rollers 34 and 35 are mounted to an elongate frame 39 which is pivotable between the solid and dotted line positions shown in FIG. 1. Frame 39 includes a perpendicular plate 40 near its midsection, the latter being coupled to an air cylinder 42 having an extensible rod 43. It will be appreciated that extension of rod 43 causes rollers 34 and 35 to move to the dotted line position when the drum diameter decreases, thereby maintaining tension of blanket 32 against drum 28.
Roller 37 is driven from a gear motor 44 by belt 45 to drive blanket 32, and in turn blanket 32 will rotate drum 28 due to the tension between these components. Motor 44 includes an encoder 47 which generates a position signal each revolution of motor 44. Alternative encoder locations are on roller 37 or roller 38. A detector 23, such as an electric eye or magnetic sensor is positioned directly above drum 28 and generates a signal when a small metal or magnetic protrusion 26 on drum 28 passes, i.e. each revolution of drum 28. From the output of encoder 47 and detector 23 the circumference of drum 28 and the linear travel of film 11 bag are determined by controller 15. In an alternative embodiment encoder 47 may be mounted via a pulley to roller 37 or roller 36.
A plastic bag making machine comprising: a dancer assembly that receives a film from which the bags are to be made; a sealing drum; a drum-in nip, wherein the film travels from the dancer to the drum-in nip, and then to the drum; a drum-out nip, wherein the film travels from the drum to the drum-out nip; a processing device; a device-in nip, wherein the film travels from the drum-out nip to the device-in nip, and then to the device; a device-out nip, wherein the film travels from the device to the device-out nip; and a controller connected to the drum-in nip, the drum-out nip, the device-in nip, the device-out nip, the dancer assembly and the sealing drum, wherein the controller includes a memory in which at least one set of operating parameters used to control the machine is stored.
About the Author
RUIZHI PACKING MACHINERY FACTORY offers bag making machine slitting machine, Packing Machine Manufacturer, Convex Composite Color Press Machine, Common Film Slitting Machine, Paper Machine Manufacturer, etc.
does anybody know websites where i can find info on building energy transfer apparatus using simple machines?
like a pulley or ramp or a wheel and axle or a screw or a wedge or and inclined plane or lever? i need to know for my physics project. thanks.
http://www.fpl.com/community/learning/e4online.shtml
Perpetual Storytelling Apparatus