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Research on energy saving and environmental protection of woodworking machinery
Feb 24, 2018

1 emphasis on improving the structure of wood processing equipment

To adopt a modern design approach not only to consider the actual components, but also the system to consider and design the environment, borders and input and output and other features. Due to the high rotational speed of wood processing equipment, it is necessary to design or improve the control device, guide device, tool clamping device, spindle, chip evacuation device, etc. to ensure that it meets the requirements of environmental protection and energy saving. In addition, due to the continuous improvement of the feed speed and cutting speed, to a certain extent, the requirements of the dynamic performance of the cutting mechanism of the woodworking equipment are increased. On the basis of ensuring the rigidity and strength, inertia unbalance and the weight of high-speed parts should be minimized, and the stability and anti-vibration performance of the parts should be dynamically analyzed to ensure the overall machining accuracy Enhance, minimize noise, power consumption and wood loss. If the spindle speed is above every minute, and the safety technical problems due to the eccentricity between the spindle support device and the tool clamping device are taken into consideration when adopting the conventional hollow rod and cone tool clamping device, in view of this problem, the hydraulic pressure Shrink-type clamping device or automatic balancing spindle system to effectively solve. For sawdust and dust generated during the processing of wood, dust and chips can be improved by improving the collection dust and chip system, or by optimizing the shape of the knife cover and the non-contact sealing element Collection rate increased.

2 Through innovative design to enhance woodworking machinery energy saving and environmental protection

In the woodworking machinery curve sawing, milling saws and other product design, we can take to the saw shaver, sand planing these concepts as a guide to design, not only helps to improve the quality of woodworking machinery, and can be very good To reduce the waste generated. Take the woodworking multi-blade jigsaw as an example, the driving is mainly accomplished by placing two positioning axes on the horizontal platen. The first axis enables the dual-element saw to be aligned for linear motion while the other axis is responsible for the whole Saw group curve movement. As a result, they drive coordinated movements, allowing the circular saw combination to finish the jigsaw solution. According to the author's research and experiments, woodworking multi-blade jigsaw solution can make the device saw curve fit according to the shape of the wood by means of sawing under the curve, so that compared with the straight-line sawing method, the wood usage rate Increase about 10 ~ 20%.

3 promote the development and application of new woodworking tools

In the process of wood cutting, the quality of the tool has a direct impact on the processing costs, energy consumption and production efficiency of wood processing equipment. In recent years, the international research and development of new carpentry tool clamping, cutting tool material, blade clamping, cutting mechanism, cutting noise and achieved good results. ① wood processing more efficient, high-speed development, which requires higher durability of the tool. To improve tool life, however, the material properties of the cutting edge and its geometry need to be optimized. And a thorough analysis of the cutting tool to ensure that the tool energy saving, safety and environmental protection. ② The use of intelligent tool clamping device can quickly replace the tool, the tool replacement time is shortened.

For example, it is widely used in CNC machining center, which includes two types of structure: hollow conical ferrule (HSK series) and tapered ferrule (SK series). One of the encoding chip holes are pre-set in a hollow cone sleeve and tapered sleeve, and one by one coding tool, based on the code to complete the automatic tool change. In the context of continuous improvement of machine tool control, the structure of various types of cutter axles is also evolving, and more and more new cutter axles are also available on the market. For example, a modern four-planer machine is equipped with a programmable multi-cutter Laminating long spindle shaft knife shaft. It is equivalent to a smaller tool magazine, on the same spindle superimposed on the installation of several processing different shapes forming surface with cutterhead, and the use of a computer to control the stepper motor, and in a relatively short period of time will stand knife Accurate automatic conversion of the axial position of the shaft, the required one of the forming cutterhead transferred to the job location, fundamentally shortened the replacement of forming tools required auxiliary time, and thus achieve the purpose of reducing power consumption, cutting the amount of . Furthermore, tool manufacturers are gradually beginning to focus on the product's part of the subsidiary performance, in order to effectively meet the LSD performance requirements. That is to reduce the level of tool noise, dust and chips thoroughly exhausted: reduce tool thickness, especially the more precious wood, in order to play the purpose of saving wood.

4 Use of new technologies to improve woodworking machinery automation and production efficiency

The use of new technologies to improve woodworking machinery automation and production efficiency is also an important measure to achieve good energy efficiency and environmental protection.

(1) Woodworking machinery is gradually transformed from the previous mechanical method to mechatronics. Such as woodworking machinery tools, parts and other important equipment during operation through the installation of sensors to monitor, both to help ensure that they are working properly, but also to ensure that the quality of furniture manufacturing and processing. For example, we can use high-resolution image processing technology in the aspects of workpiece scanning, identification and tracking so as to help improve the quality of furniture wood processing.

(2) At present, some advanced technologies including CNC and information technology are applied to flexible processing systems, CNC machining and automated production lines. At this stage of our country's woodworking machinery is also in this case, computer numerical control technology has a wide range of applications, such as the more common sanding machine, CNC panel saws and CNC machining centers. In addition, including flexible processing and manufacturing systems, intelligent integrated processing systems are constantly maturing. For example, the use of timber in the production of timber can be a better reduction of waste of timber resources. At the heart of this production is the use of computer-integrated manufacturing, which is simply automated computer control in many aspects of wood quality identification, strength grading, tool selection, automated production lines, sheet metal composite presses, and finished product output.

(3) Woodworking machinery using a variety of advanced control technology to make it adaptive and intelligent control functions, so not only help to improve wood processing accuracy, utilization and manufacturing efficiency, but also can effectively reduce the use of woodworking machinery Energy consumption and pollution reduction. ① adaptive control of woodworking machinery, its work according to pre-set evaluation indicators on the wood processing, such as tool wear, material hardness increases and other processing parameters will be automatically changed, so as to ensure that the processing of wood can reach Evaluation index requirements. The intelligent control of woodworking machinery, it is mainly the use of intelligent machines with autonomous driving, and according to the corresponding goal of wood processing to control.