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Preloading device and its control method

A control method and pre-pressing technology, which is applied to veneer presses, manufacturing tools, plywood presses, etc., can solve problems that are easy to cause work-related injuries, and achieve the effect of improving safety and avoiding accidental drops

Active Publication Date: 2015-11-04
GREE ELECTRIC APPLIANCES INC
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0004] The main purpose of the present invention is to provide a preloading device and its control method to solve the problem in the prior art that the preloading device is likely to cause work-related injuries when the pipeline is cut off

Method used

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  • Preloading device and its control method
  • Preloading device and its control method
  • Preloading device and its control method

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Embodiment Construction

[0035] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0036] The embodiment of the present invention provides a pre-pressing device, the pre-pressing device is mainly used in the plywood production line, in the production process, used for short-term cold pressing and preliminary bonding of the veneer after gluing and assembling , so that it is initially shaped, and then sent to the subsequent process. The pre-pressing device is an important device for improving the quality of plywood, and the pre-pressing device of the embodiment of the present invention will be introduced below.

[0037] Figure 1 to Figure 4 They are the overall view, the front view, the top view and the right view of the preloading device according to the first embodiment of...

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Abstract

The invention discloses a pre-pressing device and a control method thereof. The pre-pressing device comprises a controller, a support frame, a first cylinder, an upper module, a safe optical grating and a blocking mechanism, wherein the support frame is provided with a first workbench and a second workbench both fixedly arranged on the support frame; the first workbench is located above a second workbench; the first cylinder is arranged on the first workbench; the upper module is movably arranged between the first workbench and the second workbench along a vertical direction and is connected to the first cylinder; the safe optical grating is arranged on the support frame and is connected to the controller; the blocking mechanism is used for providing an upward stress to the upper module when the safe optical grating sends out a blocking signal. Through the pre-pressing device and the control method thereof, the problem that the pre-pressing device is easy to cause occupational injury under a pipeline gas cut-off condition in the prior art is solved, and the effect of improving the safety of the pre-pressing device is further realized.

Description

technical field [0001] The invention relates to a preloading device and a control method thereof. Background technique [0002] The currently used pre-pressing tooling equipment is equipped with grating protection, that is, when people are operating the equipment, the grating is blocked, and the switch of the equipment is shielded at this time, and the control cylinder is converted from the action of pressing down to the action of stopping, so as to avoid accidental touch at this time. Touching the switch causes the accident that the equipment crushes the human body, that is, power-off protection. In the actual production process, there may be a sudden gas cut-off of the cylinder (there is no gas supply in the pipeline), and the upper module of the pre-pressing equipment is pressed down under its own gravity. If the human body is still operating, it will cause work-related injuries. [0003] Aiming at the problem in the related art that the preloading device is likely to ca...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B27D3/00B27D1/08
Inventor 吕荔李豪吴振牛海清
Owner GREE ELECTRIC APPLIANCES INC
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