Deburring machine abrasive belt, chamfering-deburring machine that deburrs twice per rotation, and deburring method

10046431 ยท 2018-08-14

    Inventors

    Cpc classification

    International classification

    Abstract

    The present invention relates to a one-circle two-chamfer deburring machine and a deburring method comprising the following steps after starting up: (1) The upper wheelhead motor drives the upper grinding belt to rotate horizontally (2) the lower wheelhead motor drives the lower grinding belt to rotate horizontally and (3) when a deburred workpiece goes through a passage formed by the active feeding roller row and the upper grinding belt, an upper abrasive block elastically contacts surface of the workpiece and, under the drive of the upper wheelhead motor and the upper active drum, polishes and deburrs the front side of the workpiece twice; the lower abrasive block elastically contacts the surface of the workpiece and, under the drive of the lower wheelhead motor and the lower active drum, polishes and deburrs the back side of the workpiece twice.

    Claims

    1. A one-circle two-chamfer deburring machine comprising a wheelhead-replaceable deburring-machine abrasive belt, said belt comprising an annular base belt, wherein multiple wheelhead units are connected at their sides with a belt surface of the annular base belt equidistantly or non-equidistantly, said machine comprising a frame in the chamfer deburring machine is fixedly connected with a bench by four props; a wheelhead gantry, going through the bench, fixedly connected at its lower end with the frame; an upper brush plate sheathed on a pillar of the wheelhead gantry, and lifted along the pillar under the drive of a lifting mechanism driven by a motor located on the wheelhead gantry; an upper active drum and an upper passive drum mounted on the upper brush plate, the upper active drum being driven by an upper wheelhead motor located on the upper brush plate; an upper grinding belt is horizontally sheathed on an upper driving wheel composed of the upper active drum and the upper passive drum, and located at one side of the wheelhead gantry; an upper grinding belt press pulley block connected with an upper grinding belt lifting mechanism, which drives the upper grinding belt press pulley block to depress an end face of the upper grinding belt, the upper grinding belt lifting mechanism being driven by an upper grinding belt motor; a lower brush plate is located below the bench; a lower active drum and a lower passive drum are mounted on the lower brush plate, the lower active drum being driven by a lower wheelhead motor located on the lower brush plate; a lower grinding belt is horizontally sheathed on a lower driving wheel composed of the lower active drum and the lower passive drum, and located at the other side of the wheelhead gantry; a lower grinding belt press pulley block is connected with a lower grinding belt lifting mechanism, which drives the lower grinding belt press pulley block to jack up against an end face of the lower grinding belt, the lower grinding belt lifting mechanism being driven by a lower grinding belt motor.

    2. The one-circle two-chamfer deburring machine composed of the wheelhead-replaceable deburring-machine abrasive belt according to claim 1, characterized in that: the upper active drum and the lower active drum have the same structure, the upper active drum having a taper slope section narrow at the top and wide at the bottom, the lower active drum having a taper slope section narrow contrary to that of the upper active drum.

    3. The one-circle two-chamfer deburring machine composed of the wheelhead-replaceable deburring-machine abrasive belt according to claim 1, characterized in that: the upper grinding belt press pulley block is fitted in the way of rolling depression with the end face of the upper grinding belt; and the lower grinding belt press pulley block is fitted in the way of rolling jacking with the end face of the lower grinding belt.

    4. The one-circle two-chamfer deburring machine composed of the wheelhead-replaceable deburring-machine abrasive belt according to claim 1, characterized in that: the upper grinding belt press pulley block, having the same structure with the lower grinding belt press pulley block, is composed of a press plate and a guide pulley; the press plate, having an equidistant or non-equidistant convex-concave structure, has a boss portion provided with a guide pulley.

    5. The one-circle two-chamfer deburring machine composed of the wheelhead-replaceable deburring-machine abrasive belt according to claim 4, characterized in that: the guide pulley has an inner ring and an outer ring having a greater diameter than the inner ring.

    6. The one-circle two-chamfer deburring machine composed of the wheelhead-replaceable deburring-machine abrasive belt according to claim 1, characterized in that: the bench is provided with an active feeding roller row, which is driven by a feeding motor through a drive mechanism.

    7. The one-circle two-chamfer deburring machine composed of the wheelhead-replaceable deburring-machine abrasive belt according to claim 1, characterized in that: the lifting mechanism is a worm-worm gear lifting mechanism.

    Description

    BRIEF DESCRIPTIONS OF THE DRAWINGS

    (1) FIG. 1 is a structural schematic view of the wheelhead-replaceable deburring-machine abrasive belt.

    (2) FIG. 2 is a structural schematic top view of the wheelhead-replaceable deburring-machine abrasive belt after being mounted.

    (3) FIG. 3 is a structural schematic view of the wheelhead.

    (4) FIG. 4 is a structural schematic front view of the one-circle two-chamfer deburring machine.

    (5) FIG. 5 is a structural schematic side view of FIG. 1.

    (6) FIG. 6 is a structural schematic top view of FIG. 1.

    (7) FIG. 7 is a structural schematic view of the drum.

    (8) FIG. 8 is a structural schematic view of the grinding belt press pulley block.

    (9) FIG. 9 is a structural schematic top view of FIG. 8.

    (10) FIG. 10 is a structural schematic view of matching of the grinding belt press pulley block with the grinding belt.

    SPECIFIC METHOD OF USE

    Example 1

    (11) With reference to FIGS. 1-3, a wheelhead-replaceable deburring-machine abrasive belt is provided, comprising an annular base belt 4-1, multiple wheelhead units 4-2 being connected at their sides with the belt surface of the annular base belt 1 equidistantly or non-equidistantly.

    (12) The wheelhead head 4-2 is composed of a wheelhead fixed body 4-4 and an abrasive 4-5 fixedly planted on the wheelhead fixed body 4-4. The side of the wheelhead 4-2 refers to the side of the wheelhead fixed body 4-4 in the wheelhead 4-2. The deburring wheelhead 4-5 is a metallic abrasive wire wheelhead or nonmetallic abrasive wheelhead. The metallic wire wheelhead refers to a wheelhead composed of multiple steel wires or copper wires; or the nonmetallic wheelhead refers to a wheelhead composed of multiple sheets of sand strip or multiple layers of sand belt or abrasive wires.

    Example 2

    (13) With reference to FIGS. 4-10, a one-circle two-chamfer deburring machine is provided, comprising a chamfer deburring machine, a frame 1 in the chamfer deburring machine being fixedly connected with a bench 2 by four props; a wheelhead gantry 9, going through the bench 2, is fixedly connected at its lower end with the frame 1; an upper brush plate 12 is sheathed on a pillar of the wheelhead gantry 9, and lifted along the pillar under the drive of a lifting mechanism 8 driven by a motor 10 located on the wheelhead gantry 9; an upper active drum 6 and an upper passive drum 6 are mounted on the upper brush plate 12, the upper active drum 6 being driven by an upper wheelhead motor 11 located on the upper brush plate 12; an upper grinding belt 7 is horizontally sheathed on a driving wheel composed of the upper active drum 6 and the upper passive drum 6, and located at one side of the wheelhead gantry 9; an upper grinding belt press pulley block 17 is connected with an upper grinding belt lifting mechanism 18, which drives the upper grinding belt press pulley block 17 to depress an end face of the upper grinding belt 7; the multiple abrasive blocks 5 are mounted on the side of the grinding belt 7, the upper grinding belt lifting mechanism 18 being driven by the upper grinding belt motor; a lower brush plate 3 is located below the bench 2; a lower active drum 41 and a lower passive drum 42 are mounted on the lower brush plate 3, the lower active drum being driven by a lower wheelhead motor 20 located on the lower brush plate 3; a lower grinding belt 4 is horizontally sheathed on a driving wheel composed of the lower active drum 41 and the lower passive drum 42, and located at the other side of the wheelhead gantry 9; a lower grinding belt press pulley block 21 is connected with a lower grinding belt lifting mechanism 19, which drives the lower grinding belt press pulley block 21 to jack up against an end face of the lower grinding belt 4, the lower grinding belt lifting mechanism 19 being driven by the lower grinding belt motor. The upper active drum and the lower active drum have the same structure, the upper active drum having a taper slope section narrow at the top and wide at the bottom, the lower active drum having a taper slope section narrow contrary to that of the upper active drum. The upper grinding belt press pulley block 17 is fitted in the way of rolling depression with the end face of the upper grinding belt 7; and the lower grinding belt press pulley block 21 is fitted in the way of rolling jacking with the end face of the lower grinding belt 4. The upper grinding belt press pulley block, having the same structure with the lower grinding belt press pulley block, is composed of a press plate 1701 and a guide pulley 1702; the press plate 2 has a main portion of an equidistant or non-equidistant convex-concave structure 1703 and a non-main portion of a mounting handle 1704, and has a boss portion provided with a guide pulley 1702. The guide pulley 1702 has an inner ring and an outer ring having a greater diameter than the inner ring. The bench 2 is provided with an active feeding roller row 14, which is driven by a feeding motor 15 through a drive mechanism. The lifting mechanism 8 is a worm-worm gear lifting mechanism.

    Example 2

    (14) On the basis of Example 2, a method of deburring with the one-circle two-chamfer deburring machine composed of the wheelhead-replaceable deburring-machine abrasive belt is provided, comprising the following steps after starting up: (1) The upper wheelhead motor 11 drives the upper grinding belt 7 to rotate horizontally by driving the upper active drum to rotate; (2) the lower wheelhead motor 20 drives the lower grinding belt 4 to rotate horizontally by driving the lower active drum to rotate; and (3) when a deburred workpiece goes through a passage formed by the active feeding roller row 14 and the upper grinding belt 7, each time the upper grinding belt 7 completes one revolution, an upper abrasive block 5 fixed on the upper grinding belt 7, under the action of the upper grinding belt press pulley block 17, elastically contacts the surface of the workpiece and, under the drive of the upper wheelhead motor 11 and the upper active drum, polishes and deburrs the front side of the workpiece forward and backward twice; here each time the lower grinding belt 7 located below the workpiece completes one revolution under the drive of the lower wheelhead motor 20 and the lower active drum, the lower abrasive block elastically contacts the surface of the workpiece under the jacking action of the lower grinding belt press pulley block 21 on the abrasive block located on the lower grinding belt 4 and, under the drive of the lower wheelhead motor 20 and the lower active drum, polishes and deburrs the back side of the workpiece twice.

    (15) What needs to be comprehended is as follows: Although the above examples made a more detailed text description of the design concept of the present invention, the text description is just a simple text description of the design concept of the present invention, rather than restriction of the design concept of the present invention; any combination, addition or modification not beyond the design concept of the present invention all falls within the scope of protection of the present invention.