Rack billet chamfering machine with four-edge chamfering function

[0012] The present invention will be further described in detail below in conjunction with the accompanying drawings and examples. The following examples are explanations of the present invention and the present invention is not limited to the following examples.

[0013] see Figure 1-Figure 3 , the rack billet chamfering machine with four-edge chamfering function in this embodiment includes a chamfering machine base 1, a chamfering machine installation base plate 2, a pair of clamping feeding devices 3 and four chamfering devices 4, the chamfering machine The installation base plate 2 is fixed on the chamfering machine base 1, and both sides of the chamfering machine installation base plate 2 are provided with clamping and feeding devices 3, and the chamfering device 4 is fixed on the chamfering machine installation base plate 2, and the chamfering device 4 includes chamfering The milling cutter 41 and the chamfering motor 42 driving the chamfering milling cutter 41, the chamfering machine installation base plate 2 is provided with a feed hole 21 for the rack billet to pass through, four chamfering devices 4 are distributed around the feed hole 21, The chamfering milling cutters 41 of the four chamfering devices 4 correspond to the positions of the four edges of the rack billet respectively, and the tool axes of the chamfering milling cutters 41 are parallel to the mounting base plate 2 of the chamfering machine.

[0014] The clamping and feeding device 3 includes the feeding wheel assembly mounting base plate 31, the active feeding wheel mounting plate 32, the roller bearing bracket 33 and the upper pressing roller bearing bracket 34, and the feeding wheel assembly mounting base plate 31 is fixed on the chamfering machine base 1 , the active feed wheel mounting plate 32 is slidably installed on the feed wheel assembly mounting base plate 31 by a linear guide rail, and several active feed wheels 35 are installed in rotation on the active feed wheel mounting plate 32. The rotating shaft of the active feed wheel 35 is vertically arranged, and the active feed wheel The feeding wheel 35 is driven by a motor, and the roller bearing bracket 33 is fixed on the installation base plate 31 of the feeding wheel assembly. On the roller bearing bracket 33, several lower pressing rollers 36 and several passive feeding wheels that cooperate with the active feeding wheel 35 are rotated and installed. 37, the upper pressing roller bearing bracket 34 is installed on the roller bearing bracket 33 by a linear shaft, the upper pressing roller bearing bracket 34 is rotated and installed with an upper pressing roller 38, and the roller bearing bracket 33 is fixed with a vertically arranged first Adjusting column 39, the first adjusting column through hole is provided on the upper pressing roller bearing bracket 34, the first adjusting column 39 passes through the first adjusting column through hole, and the upper end of the first adjusting column 39 is connected with the first adjusting handwheel by thread 310, the first adjustment column 39 is covered with a first adjustment stage clip 311, the first regulation stage clip 311 is clamped between the roller bearing bracket 33 and the upper pressing roller bearing bracket 34, and the active feeding wheel mounting plate 32 is fixed with The second adjustment column 312 that is horizontally arranged, the roller bearing bracket 33 is provided with a second adjustment column through hole, the second adjustment column 312 passes through the second adjustment column through hole, and the upper end of the second adjustment column 312 is threaded to the second adjustment column. The hand wheel 313, the second adjustment column 312 is covered with a second adjustment compression spring 314, and the second adjustment compression spring 314 is clamped between the roller bearing bracket 33 and the active feeding wheel mounting plate 32,

[0015] The chamfering motor 42 is fixed on the motor base, and the motor base is provided with an adjustment installation slot, and the motor base is fixed on the chamfering machine installation base plate 2 by adjusting the installation screw and the adjustment installation slot.

[0016] The above content described in this specification is only an illustration of the present invention. Those skilled in the technical field to which the present invention belongs can make various modifications or supplements to the described specific embodiments or adopt similar methods to replace them, as long as they do not deviate from the content of the description of the present invention or go beyond the scope defined in the claims , should belong to the protection scope of the present invention.