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A board feeding stroke control device for a sawing machine

A technology of stroke control and sawing machine, which is applied in the direction of circular saws, sawing components, manufacturing tools, etc., can solve the problems of low precision, scale error, inaccurate workpiece size, etc., and achieve the effect of improving precision

Active Publication Date: 2018-03-13
浙江杭博电动工具有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This type of sawing machine generally has a backing, that is, a stop bar that can determine the position of the workpiece to be cut. When the workpiece and the stop bar are in contact, the workpiece moves in place. Since the cutting size of the workpiece will be adjusted frequently, the stop bar needs to be adjusted frequently. The moving position, the cutting accuracy of the workpiece is directly related to the accuracy of the moving position of the stop bar. At present, the stop bar mainly depends on the scale engraved on the sawing machine to determine its specific position. Workers need to confirm it during operation. The minimum accuracy of the scale is generally 1mm. It also limits the accuracy of the backing to a maximum of 1mm, plus the scale itself has a certain error, and there is also a certain error when aligning the scale, so that the minimum accuracy of the displacement of the stop rod will be greater than 1mm, resulting in the minimum accuracy of the workpiece when positioning. It will be greater than 1mm, and its accuracy is low, resulting in inaccurate dimensions of the cut workpiece

Method used

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  • A board feeding stroke control device for a sawing machine
  • A board feeding stroke control device for a sawing machine
  • A board feeding stroke control device for a sawing machine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] Such as figure 1 , figure 2 , image 3 and Figure 12 As shown, the sawing machine includes a frame 1, a worktable 11 and a saw head 3. The worktable 11 is horizontally fixed on the frame 1, and the frame 1 is also oscillatingly connected with a blanking frame 12, and the blanking frame 12 swings upwards. When reaching the maximum angle position, the upper side of the blanking rack 12 is flush with the upper surface of the workbench 11, and the blanking rack 12 and the workbench 11 all have straight edges, and the straight edge of the blanking rack 12 and the edge of the workbench 11 The straight edges face each other and form an avoidance gap 13 . The saw head 3 is arranged on the lower surface of the workbench 11 and the saw head 3 can slide along the length direction of the avoidance gap 13 .

[0039] Such as figure 1 , figure 2 and Figure 14 As shown, on the frame 1, a support 4 is fixed on one side of the blanking rack 12, and the support 4 is provided wit...

Embodiment 2

[0052] The structure and principle of this embodiment are basically the same as that of Embodiment 1. The difference is that the drive structure includes a drive motor and a transmission gearbox fixed on the mounting frame. The motor shaft passes through the transmission gearbox and is connected to one of the saw discs. The transmission teeth are fixed on a section of the motor shaft of the drive motor located in the transmission gearbox. The driven gear is connected to the transmission gearbox through the rotation of the shaft. The driven teeth and The transmission teeth are meshed, and one end of the rotating shaft passes through the transmission gear box and is connected with another saw disc.

Embodiment 3

[0054] The structure and principle of this embodiment are basically the same as that of Embodiment 1. The difference lies in that the plate feeding stroke control device includes a stroke control cylinder, the cylinder body of the stroke control cylinder is fixed on the bracket, and the piston rod end of the stroke control cylinder is connected to the The bar is fixed. The position of the stop rod relative to the worktable is controlled by controlling the stretching amount of the piston rod of the stroke control cylinder.

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Abstract

The invention provides a board feed stroke control device of a sawing machine, and belongs to the field of wood-working machines. The technical problem that sizes of workpieces cut by existing sawing machines are inaccurate is solved. The sawing machine comprises a working table plate and a support fixed to one side of the working table plate. A blocking rod is arranged on the support. The board feed stroke control device of the sawing machine comprises a controller, two lead screws rotatably connected to the support and a stroke control motor capable of simultaneously driving the two lead screws to rotate. The two ends of the blocking rod are in threaded connection with the two lead screws correspondingly. One end of a motor shaft of the stroke control motor is connected with the two lead screws, and a rotary plate is fixed to the other end of the motor shaft. At least two reflective faces are distributed on the plate face of the rotary plate in the circumferential direction of the rotary plate at intervals. A light sensor directly facing the rotary plate is fixed to the support. The controller is connected with the light sensor and the stroke control motor. The board feed stroke control device has the advantage that the displacement precision of the blocking rod can be improved.

Description

technical field [0001] The invention belongs to the field of woodworking machinery and relates to a board feeding stroke control device for a sawing machine. Background technique [0002] Woodworking sawing machine is a small sawing machine. At present, the common sawing machine is that the sawing disc is fixed at a certain position on the sawing machine, and then the cutting is realized by pushing the wooden board to move to the sawing disc. Since the position shifts when the wooden board is pushed to move, this kind of sawing machine Cutting accuracy is not high. [0003] In order to improve the cutting accuracy, people have designed a sawing machine with a movable saw head, such as a kind of woodworking sawing machine [publication number CN103358360A] disclosed in Chinese patent literature, by placing the wood to be sawed on the workbench, and then moving the saw head to achieve Cutting, since the movement displacement of the saw head is fixed, it can cut wood precisely....

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B27B27/02B27B5/29B27B27/10
CPCB27B5/29B27B27/02B27B27/10
Inventor 颜跃
Owner 浙江杭博电动工具有限公司