Duplex saw

Abstract

A duplex saw, including a machine head assembly of which a top portion is mounted with a cutting working platform, a base, a rotating disk, and a machine head rotating seat positioned between the machine head assembly and the rotating disk and hinged with the machine head assembly and the rotating disk. The machine head assembly includes a motor, a machine frame, a gear box body, a transmission mechanism and a saw blade. The motor is fixed on the machine frame. The transmission mechanism is provided in the gear box body and constitutes a gear box assembly. A gear shaft of the motor drives the transmission mechanism. The gear box assembly can be rotated about the gear shaft of the motor. The blade is fixed on an output shaft of the transmission mechanism, the output shaft and the gear shaft of the motor are parallel to each other.

Claims

1. A duplex saw, comprising a machine head assembly of which a top portion is mounted with a cutting working platform, a base, a rotating disk, and a machine head rotating seat positioned between the machine head assembly and the rotating disk and hinged with the machine head assembly and the rotating disk respectively, wherein the machine head assembly comprises a motor, a machine frame, a gear box body, a transmission mechanism and a saw blade, the motor is fixed on the machine frame, the transmission mechanism is provided in the gear box body and constitutes a gear box assembly, a gear shaft of the motor drives the transmission mechanism to be rotated, the saw blade is fixed on an output shaft of the transmission mechanism, the output shaft and the gear shaft of the motor are parallel to each other; wherein the gear box body is provided thereon with a rotating sleeve connected to a handle, the machine frame is provided thereon with a rotating seat, so that upon operation of the handle the rotating sleeve rotates relative to the rotating seat.

2. The duplex saw according to claim 1, wherein the gear box body is provided thereon with a conversion shield, the conversion shield is positioned above the saw blade during inclined cutting, the conversion shield is positioned under the saw blade during cutting.

3. The duplex saw according to claim 1, wherein a center shaft sleeve of the rotating seat is provided with a gear box pinch plate and a machine frame pinch plate which are mutually rotatable, the machine frame pinch plate is fixed on the machine frame and blocks the gear box pinch plate, the gear box pinch plate is fixed on the gear box body and blocks the machine frame pinch plate.

4. A duplex saw, comprising a machine head assembly of which a top portion is mounted with a cutting working platform, a base, a rotating disk, and a machine head rotating seat positioned between the machine head assembly and the rotating disk and hinged with the machine head assembly and the rotating disk respectively, wherein the machine head assembly comprises a motor, a machine frame, a gear box body, a transmission mechanism and a saw blade, the motor is fixed on the machine frame, the transmission mechanism is provided in the gear box body and constitutes a gear box assembly, a gear shaft of the motor drives the transmission mechanism to be rotated, the saw blade is fixed on an output shaft of the transmission mechanism, the output shaft and the gear shaft of the motor are parallel to each other; wherein the machine frame is provided thereon with a locking mechanism for locking the gear box assembly, the locking mechanism comprises a locking wrench and a locking platen, the locking wrench passes through the machine frame and is mutually connected with the locking platen, the locking platen clamps tightly the gear box body via the machine frame.

5. The duplex saw according to claim 4, wherein the saw blade has a first side and a second side, each side is coupled to a shield which are fixed with the machine frame and provided with a dust collecting channel at a rear portion thereof, the shields are provided with a dust guiding hinged plate therebetween, a conversion shield constitutes a dust removing structure with the dust collecting channel via the dust guiding hinged plate during cutting.

6. The duplex saw according to claim 5, wherein the transmission mechanism comprises an output gear and a middle gear which are mutually meshed with each other, the output gear is provided on the output shaft, the middle gear is provided on a middle shaft, the gear shaft of the motor is meshed with the middle gear.

7. The duplex saw according to claim 5, wherein the gear box assembly is provided thereon with a handle for selectively converting the duplex saw between cutting and inclined cutting.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

(1) FIG. 1 is a diagram of a main view structure during an inclined cutting of the present invention.

(2) FIG. 2 is a diagram of a back view structure during an inclined cutting of the present invention.

(3) FIG. 3 is a diagram of an exploded structure of a machine head assemble of the present invention.

(4) FIG. 4 is a diagram of a main view structure during the cutting of the present invention.

(5) FIG. 5 is a diagram of a back view structure during the cutting of the present invention.

(6) FIG. 6 is a diagram of a dust removing structure during the cutting of the present invention.

(7) FIG. 7 is a structural diagram of a machine head assembly during the cutting of the present invention.

(8) 1: Cutting Shield; 2: Cutting Working Platform, 3: Motor, 4: Machine Frame; 5: Inclined Cutting Shield; 6: Saw Blade; 7: Rotating Disk; 8: Base; 9: Locking Wrench, 10: Machine Head Rotating Seat, 11 Connection Rod Assembly; 12 Dust Collecting Channel; 13 Left Shield; 14: Gear Shaft of Motor; 15: Output Shaft; 16 Gear Box Pinch Plate; 17: Machine Frame Pinch Plate; 18: Conversion Handle; 19: Rotation Sleeve; 20: Gear Box Body; 21: Conversion Shield; 22: Locking Platen; 23: Output Gear; 24: Middle Gear; 25: Gear Box Cover; 26: Saw Blade Clamp Plate; 27: Right Shield; 28 Dust Guiding Hinged Plate; 29: Rotating Seat.

DETAILED DESCRIPTION

(9) FIGS. 1-7 show embodiments of a duplex saw of the present invention, the duplex saw comprises a machine head assembly of which a top portion is mounted with a table cutting working platform 2, a base 8, a rotating disk 7, a machine head rotating seat 10 positioned between the machine head assembly and the rotating disk 7 and hinged with the machine head assembly and the rotating disk 7 respectively, and a connection rod assembly 11, wherein the machine head assembly comprises a motor 3, a machine frame 4, a gear box body 20, a transmission mechanism and a saw blade 6, the motor 3 is fixed on the machine frame 4, a gear box cover is fixed on the gear box body 20, the transmission mechanism is provided in the gear box body 20 and constitutes a gear box assembly, a gear shaft 14 of the motor drives the transmission mechanism to be rotated, the gear box assembly can be rotated about the gear shaft 14 of the motor, the saw blade 6 is fixed on an output shaft 15 of the transmission mechanism, the output shaft 15 and the gear shaft 14 of the motor are parallel to each other and in the same vertical surface. To ensure a simple functional conversion structure and flexible and easy operation, a rotating sleeve 19 is provided on the gear box body 20, a rotating seat 29 rotatably cooperated with the rotating sleeve 19 is provided on the machine frame 4. A center sleeve of the rotating seat 29 is provided thereon with a gear box pinch plate 16 and a machine frame pinch plate 17 which are mutually rotatable, the machine pinch plate 17 is fixed on the machine frame 4 and blocks the gear box pinch plate 16, the gear box pinch plate 16 is fixed on the gear box body 20 and blocks the machine frame pinch plate 17. To facilitate the operation of functional conversion, the gear box assembly is provided thereon with a conversion handle 18.

(10) To ensure safety and reliability of the use, the gear box body 20 is provided thereon with a conversion shield 21, the conversion shield is positioned above the saw blade during an incline cutting while being positioned below the saw blade 6 during the cutting.

(11) To ensure the stability and reliability of the work of the saw blade 6, the machine frame 4 is provided thereon with a locking mechanism for locking the gear box assembly, the locking mechanism comprises a locking wrench 9 and a locking platen 22, the locking wrench 9 passes through the machine frame 4 and is mutually connected with the locking platen 22, the locking platen 22 clamps tightly the gear box body 20 via the machine frame 4. if the locking wrench 9 is released, function conversion can be carried out.

(12) To ensure the safety and reliability of the use, the two sides of the saw blade 6 are correspondingly provided with left and right shields 13, 27 fixed with the machine frame 4, and provided with a dust collecting channel 12 at a rear portion thereof, the left and the right shields 13, 27 are provided with a dust guiding hinged plate 28 therebetween, the conversion shield 21 constitutes a dust removing structure with the dust collecting channel 12 via the dust guiding hinged plate 21, sawdust, driven by a cutting airflow of the saw blade 6, is automatically discharged from a dust collecting port of the dust collection channel 12 to a dust collecting bag to achieve automatic sawdust removal.

(13) To realize the reasonable cutting capacity, the transmission mechanism comprises an output gear 23 and a middle gear 24, the output gear 23 is provided on the output shaft 15, the middle gear 24 is provided on a middle shaft, the gear shaft 14 of the motor is meshed with the middle gear 24. of course, the transmission mechanism can also use other transmission mechanism, for example, a belt drive, a two-level drive, a hybrid drive and the like.

(14) The foregoing descriptions are merely specific embodiments of the present invention and are not intended to provide any form of limitation to the present invention. Any simple amendment, equivalent change or modification made without departing from the technical solutions of the present invention all falls within the protection scope of the present invention.