Tool magazine mechanism of central processing machine

Abstract

The invention discloses an improvement of a tool magazine mechanism of a central processing machine. The tool magazine mechanism comprises a cutter head, a plurality of cutter clamp seats, a plurality of clamp arms and a driving device, wherein the cutter clamp seats are respectively arranged around the cutter head; one end of each clamp arm is pivoted with each cutter clamp seat, and the other end of each clamp arm is used for clamping a cutter; the clamp arms are respectively provided with a locating wheel, and the locating wheels are arranged correspondingly to the cutter clamp seats; the cutter clamp seats are respectively provided with a rod body which is internally provided with an elastic component in a penetrating way; each elastic component leans against a steel ball; and the steel balls lean against the peripheries of the locating wheels. Therefore, the tool magazine mechanism can be used for guiding when the clamp arms rotate and buffering when the cutter is loosened by a spindle, so that the danger that the cutter falls off due to the time difference when the cutter is retracted between the spindle and the clamp arms can be avoided.

Description

technical field [0001] The invention relates to a processing machine, in particular to a tool magazine structure of the processing machine. Background technique [0002] Figure 9 and Figure 10 The picture is a simple schematic diagram of the clamping arm type tool selection rotary mechanism of the tapping center machine commonly used at present, in which the clamping position between the main shaft 71 and the clamping part 721 of the clamping arm 72 is very important, and it is related to the spindle during processing. 71 moves down and grabs one of the keys to whether the tool 73 at the clamping part 721 can be accurately clamped. However, it often happens that the clamp arm 72 cannot be located at the horizontal position as shown in the figure due to inaccurate adjustment. Or there are some errors between the clamping part 721 of the clamp arm 72 and the grasping mechanism (not shown in the figure) of the main shaft 71, so that the above-mentioned grasping action cannot...

AI Technical Summary

Problems solved by technology

[0005] However, the actual operation situation cannot be as ideal as the above-mentioned treatment. This is because the processing machine is usually adjusted by the manufacturer before the machine tool leaves the factory before shipment. However, after the machine is sold, most of the customers who buy the machine cannot complete such a professional adjustment. Therefore, after the processing machine has been used for a period of time, the error gradually increases and needs to be repaired and adjusted to prevent the clamping part 721 from colliding with the The error of the clamping position between the spindles 71 exceeds the allowable range. At this time, for the customer who purchases the processing machine, it is necessary to suspend work and spend more time to adjust, thus increasing the cost

[0006] In addition, as shown in Figure 11, if the main shaft 71 moves up and retracts the tool, if the timing of its release is slow, the problem of the tool 73 coming out often occurs. The reason is that when the clamping part 721 has clamped When the tool 73 is held but the main shaft 71 continues to move upwards, because the clamp arm 72 relies on the screw head 741 to withstand the inclined section 751 of the stopper 75, thereby blocking the possibility of the clamp arm 72 pivoting upwards again, so that the main shaft 71 will eventually be Bringing the cutter 73 upwards away from the clamping portion 721 also causes the cutter 73 to break away from the clamping of the clamping portion 721, and at this time the main shaft 71 releases the cutter again, thus causing the cutter 73 to throw out and hit the machine tool or the ground at high speed. There is a risk of damage, and in severe cases, it will cause injury to the on-site staff

[0007] The slow release of the above-mentioned main shaft will cause the clamping arm 72 to be pulled by an upward force, so that the screw head 751 will collide with the inclined section 751 of the stopper 75, which will easily cause the clamping portion 721 of the clamping arm 72 to collide with the clamping portion 721 of the clamping arm 72. The clamping position between the main shafts 71 deviates again, so, for the customers who purchase this processing machine, the maintenance cost is also increased

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