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Saw cutting method of square pipe saw cutting machine

A sawing machine and sawing technology, applied to metal sawing equipment, sawing machine devices, metal processing equipment, etc., can solve problems such as increased production costs, long tails, and reduced profits, so as to improve utilization and reduce production costs , The effect of improving sawing efficiency

Active Publication Date: 2017-08-18
苏州斯马拓智能化装备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The sawing of the existing square tube generally has two forms, one is to saw the raw material square tube at right angles and cut it into multiple square tubes with right angle ends at both ends, and the other is to cut the raw material square tube obliquely into multiple two The end of the square tube is an acute-angled end. The sawing of the first type of square tube is very simple, while the second type of square tube has an acute-angled end, so it needs to be used in large quantities in some special occasions and industries, such as the field of rack production The second type of square tube with different lengths and different end angles needs to be used in the production of the passenger car body frame of an automobile. However, the current method of miter cutting can only cut square tubes of the same specification, that is to say, it can only be sawed. For square tubes with the same length and the same end angle, the application range of this cutting method is limited, and the specifications are relatively single, so it is impossible to saw square tubes of various specifications. Long tailings remain, the utilization rate of the square tube is low, the production cost is virtually increased, and the profit is reduced. Therefore, it is necessary to invent a cutting method that can be applied to a variety of square tubes of different specifications at the same time to improve the utilization rate of the square tube

Method used

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  • Saw cutting method of square pipe saw cutting machine
  • Saw cutting method of square pipe saw cutting machine
  • Saw cutting method of square pipe saw cutting machine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Such as figure 1 As shown, this embodiment one is cut according to the above-mentioned whole cutting method. First, the cross section of the square tube can be square or rectangular. There is no need to turn the material before cutting. Of course, in general industries, it is also necessary to cut on a special surface, and the material turning operation is also required. If the cross-section of the square tube is rectangular, it is necessary to turn over the material of the rectangular square tube so that the specific side of the square tube faces up so that it can be cut in the specified placement state. And this turning over process realizes when the loading of square tube, be in the patent No.: ZL201510134362.4 name discloses the feeding and turning over of rectangular tube in the patent of a kind of rectangular tube automatic feeding device, here will not repeat.

[0038] In this embodiment, the production piece to be sawed is β>α. After setting the cut production...

Embodiment 2

[0045] This embodiment is basically similar to the sawing method of Embodiment 1, except that when the end angle β of the first end of the target production part selected from the production part task list is smaller than α, the angle of the pipe end of the square pipe 1 is retained. The apex of the retained angle α is used as a reference point to cut off the Δ angle, Δ=|β-α|, and then the length to be transported by retaining the square tube 1 when the first end is to be cut is calculated through the trigonometric function relationship, and the sawing machine is according to The calculation result is pinched and retained. The square tube 1 is transported to the specified length and cuts the first end angle of the target production piece, and then the saw blade 17 is rotated to the same angle as the other end angle of the target production piece, and then through the trigonometric function The relationship calculates the length to be conveyed when cutting the other end, and the...

Embodiment 3

[0049] Such as Figure 4 As shown, this embodiment is basically similar to the sawing method of Embodiment 1 and Embodiment 2, the first end of the production piece can be sawed according to the sawing method in Embodiment 1 and Embodiment 2, but the production piece The angle line of the second end is different from the angle line in the first embodiment, that is to say, the angle line A in the first embodiment 2 B 2 Angle with the downstream pointing plane of datum plane 101 image 3 β shown in 1 is an acute angle, the angle line A in Example 3 2 B 2 The included angle with the downstream pointing surface of the datum plane 101 is an obtuse angle such as Figure 4 180°-β shown 1 , the initial state of the saw blade 17 in this embodiment is on the AB line, and then the saw blade 17 rotates to A 1 B 1 On the straight line, the line segment A 1 B 1 End angle β with second end 1 same as Figure 4 Among them, as above, it can be seen that since the length of the verti...

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Abstract

The invention discloses a saw cutting method of a square pipe saw cutting machine. The saw cutting method includes the following steps that firstly, a task list of a list form is input in a control system of the saw cutting machine, wherein the task list includes a production piece task list, and the production piece task list comprises end portion angles and lengths of the two ends of each production piece and the length and width size information of square pipes; secondly, the control system reads and analyzes all parameters of the production pieces in the production piece task list and conducts simulation cutting, wherein according to the principle of analysis, the angles are analyzed before the lengths; thirdly, various simulation cutting sequences are achieved after analysis and simulation are completed, and the primary optimal simulation cutting sequence with the highest square pipe utilization rate is selected; and fourthly, the raw material square pipes are subjected to saw cutting through the square pipe saw cutting machine according to the primary optimal simulation cutting sequence. The saw cutting method is suitable for cutting of the various square pipes of different specifications at the same time, the utilization rate of each raw material square pipe is increased, the after-product length is decreased, and therefore cost is reduced.

Description

technical field [0001] The invention relates to the field of sawing machines, in particular to a sawing method for a square pipe sawing machine. Background technique [0002] The sawing of the existing square tube generally has two forms, one is to saw the raw material square tube at right angles and cut it into multiple square tubes with right angle ends at both ends, and the other is to cut the raw material square tube obliquely into multiple two The end of the square tube is an acute-angled end. The sawing of the first type of square tube is very simple, while the second type of square tube has an acute-angled end, so it needs to be used in large quantities in some special occasions and industries, such as the field of rack production The second type of square tube with different lengths and different end angles needs to be used in the production of the passenger car body frame of an automobile. However, the current method of miter cutting can only cut square tubes of the...

Claims

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Application Information

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IPC IPC(8): B23D45/12
CPCB23D45/12
Inventor 柯晓华
Owner 苏州斯马拓智能化装备有限公司
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