CN2224054Y - Metal annular sawing machine - Google Patents

Abstract

The utility model relates to a metal annular sawing machine. The shaft head of a motor (32) is provided with a worm (29) for directly driving the worm gear (26) of the main shaft (25) of a machine head. The shaft output end of the machine head casing (30) of the main shaft (25) of the machine head is provided with an annular saw blade (24). The machine head casing (30) is fixed on the vertical type end cover of the motor (32) for forming the machine head which is arranged on the vertical arm of a rotary seat (11) through the trunnion (36) of the machine head casing (30). The trunnion (36) is provided with a linked control mechanism composed of push rods (2). The lower part of the rotary seat (11) is provided with a bottom plate (10). The utility model can cut various metal pipes and profiled bars in both straight and inclined way, and has the advantages of fast sawing speed, low noise, smooth and flat cut, no burr, no flanging and no scorch and blackening.

Description

The round metal saw

The utility model relates to a kind of cold sawing machinery of metal material.

At present, the equipment of domestic cutting metal tubing and profile shapes mainly is abrasive wheel cutting machine or hacksawing machine, and noise is big during the emery wheel cutting, and spark is many, and dust pollution is arranged, and emery wheel easily bursts, few safety, and the jagged or flange of otch can burn black rotten during cutting stainless steel; Bow saw is cut easily broken saw of evil or hypodontia, should not cut shortcomings such as light-wall pipe.

The purpose of this utility model is in order to overcome above-mentioned shortcoming, to design the round metal saw of various metal pipe materials of a kind of quick sawing or profile shapes.

The technical solution of the utility model is: the axle head that goes out at motor is equipped with a tubular type worm screw, fix with flat key, worm screw be contained in the head shell in head spindle on worm gear be meshed, one end of head spindle is equipped with metal circular saw, the head shell directly is fixed on the vertical end cap of motor, through head columella ear, be installed on the perpendicular arm of revolving bed again, revolving bed is flat on the base plate.

Fig. 1 is a round metal saw structural representation.

Fig. 2 is a round metal saw STRUCTURE DECOMPOSITION schematic diagram.

Fig. 3 is a head automatic control structure exploded view.

Below in conjunction with accompanying drawing the utility model is further described.

Such as Fig. 1,2, metal annular sawing machine by motor, speed change gear, head, Saw blade, support form, and it is characterized in that on motor [32] spindle nose snail being housed Bar [29], the worm gear [26] on the direct-drive head spindle [25], head spindle [25] axle head that goes out at head shell [30] has metal circular saw [24], the head shell [ 30] be fixed on the vertical end cap of motor [32] and form head, again through the head shell [30] axle ear [36] is installed on the perpendicular arm of revolving bed [11], on the axle ear [38] The interlock controlling organization that has push rod [2] to form, base plate is arranged at revolving bed [11] bottom [10].

The worm screw [29] that is sleeved on motor [32] spindle nose is the tubular type worm screw, connect with flat key, worm screw [29] and motor [32] are rotated synchronously, the worm gear [26] of the head spindle [25] that worm screw [29] is interior with being contained in the head shell is meshed, and head spindle [25] is by the supporting of head columella bearing, and bearing cap encapsulates, go out axle head metal circular saw [24] is arranged, when electrical power rotated, worm screw [29] transmission worm gear [26] rotated, and the metal circular saw [24] that drives on the head spindle [25] carries out sawing work.

Handgrip [28] is arranged on the head shell [30], use for the operation head; There is an ear [36] that head is installed on the perpendicular arm of revolving bed [11] with bearing pin [3] down, head can be rotated up and down; The middle part interface directly is fixed on the vertical end cap of motor [32] with screw, and motor and head shell are struck up partnership, and forms head.

Revolving bed [11] divides perpendicular arm and pedestal, perpendicular arm for by the installation head with outside, on the right side of the axle ear [36] of head shell the head automatic controls is housed; Perpendicular arm dorsal part is by dress cylinder block [8]; Pedestal is a hollow disc, and the dish side has dial [20] and alignment pin [19], places clamp specially body [23] on the pedestal disk, and is fixing with alignment pin [15] with base plate [10].

Base plate [10] is the hollow square body of bottom opening, and rotary disk [11] is placed at the center, and there is semicircle slide rail [9] in the outside, and bears head weight, and side has angle orientation sheet [22] in addition, by spacer [22] and revolving bed alignment pin [19], fixedly head rotational angle.

Tong bodies [23], revolving bed [11], base plate [10] are fixed with screw rod [14], and latch segment [16] and handgrip [18] are arranged in the standing screw bottom; Operation locking handgrip [18] loosens latch segment [16], just can make revolving bed [11] interlock head do to rotate at any angle, tong bodies [23] is motionless because of be fixed on base plate [10] with pin [15], scale on its angle indicator [21] indication revolving bed [11], thereby can under the motionless situation of workpiece, implement sawing at any angle.

The head automatic controls, there are travel switch and magnetic valve (not shown) that signal is provided, use compressed air, cylinder piston rod is pushed away, on the machine drawing head, down, its frame for movement such as Fig. 3: press dress cylinder [33] by the cylinder block [8] that is fixed on the perpendicular arm right side of revolving bed, cylinder [33] piston rod [1] is fastened on the transverse slat [35] on the push rod [2], connect Stroke Control screw rod [7] simultaneously, on screw rod [7] has, lower position nut [5], the centre has Y shape to start spanner [6], and with two travel switches [4 that are fixed on cylinder block [8] right side, 34] form moving contact, the other end of push rod [2] and head columella ear [36] link, and form link gear.Power supply is connected in start, and magnetic valve is got through, and cylinder [33] piston rod [1] is risen, and push rod [2] rises together with Stroke Control screw rod [7], promotes the head tail and rises, the head sawing workpieces that then descends; At this moment, the lower position nut on the control screw rod [7] drives Y shape and starts spanner [6] rising, throws off with travel switch [34], connects travel switch [4] simultaneously, makes the magnetic valve commutation, and cylinder piston rod [1] descends, and then head rises automatically, and shutdown is cut off the electricity supply.

Embodiment of the present utility model:

1, vertical cut (90 °): get ∮ 25 * A ₈Steel pipe or stainless steel tube, no matter thin-walled, heavy wall or angle bar or profile shapes clamp on the clamp of lathe, manually or step on floor push, the automatic incision of head is cut off the back head and is gone up automatically.

2, cut sth. askew: set 45 ° and cut sth. askew, above-mentioned workpiece is clamped at the lathe clamp, rotate head revolving bed to 45 °, positioning and fixing, manually or step on floor push, the head incision is cut off the back head and is gone up automatically.

In an embodiment, motor is 1.3/1.8Kw, 2/4 utmost point double speed vertical machine, and worm screw is a steel alloy, imitate 2.5, several 1, worm gear is an aluminium bronze, modulus 2.5, the number of teeth 30, the speed ratio of worm screw, worm gear is 1: 30, and head spindle is a steel alloy, and revolving bed, base plate are casting pig, cylinder is the Null oil-pressure cylinder, magnetic valve is Q25DX-8, travel switch JLXH1-311, bearing 7308,2007106, screw, nut, packing ring, seal are standard component, saw blade is a high-speed steel, external diameter 250/275mm, endoporus 32mm.

The utility model has the advantages that: vertical cut or cut sth. askew various metal tubes and abnormal shape Material, saw cutting speed is fast, noise is little, otch is smooth, smooth, no burr, Without turn-ups, do not burn blackout.

Claims (5)

1, a kind of round metal saw, form by motor, speed change gear, head, saw blade, support, it is characterized in that on motor [32] spindle nose worm screw [29] being housed, worm gear [26] on the direct head motion main shaft [25], head spindle [25] has saw blade [24] at the axle head that goes out of head shell [30], head shell [30] is fixed on the vertical end cap of motor [32] forms head, axle ear [36] through head shell [30] is installed on the perpendicular arm of revolving bed [11] again, the interlock controlling organization that has push rod [2] to form on the axle ear [36], base plate [10] is arranged at revolving bed [11] bottom.

2,, it is characterized in that worm screw [29] is the tubular type worm screw, is fixed on flat key on the spindle nose of motor [32] according to the said round metal saw of claim 1.

3,, it is characterized in that dial [20] and alignment pin [19] are arranged on the revolving bed [11] according to claim 1 or 2 said round metal saws.

4,, it is characterized in that slide rail [9] and spacer [22] are arranged on the base plate [10] according to claim 1 or 2 said round metal saws.

5, according to claim 1 or 2 said round metal saws, the controlling organization that it is characterized in that linking has push rod [2], transverse slat [35], Stroke Control screw rod [7] and starts spanner [6].

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