Fixing device of steel cutting machine

Abstract

The utility model relates to the field of cutting machines, and discloses a fixing device of a steel cutting machine, which comprises a cutting seat, a knife rest hinged to the cutting seat, a knife disc rotationally connected to the knife rest and a driving motor for driving the knife disc to rotate, a plurality of conveying rollers are rotationally connected onto the cutting seat, and the axes of the conveying rollers are perpendicular to the end face of the knife disc. A pressing frame located above the conveying rollers is slidably connected to the cutting base, a pressing roller is rotationally connected to the pressing frame, and a pressing air cylinder for driving the pressing frame to be close to or away from the conveying rollers and a conveying motor for driving the conveying rollers to rotate are arranged on the cutting base. The steel cutting device has the advantages that before steel is cut, the pressing air cylinder drives the pressing frame to move in the direction of the conveying rollers, so that the steel is pressed and fixed in the vertical direction, and the driving motor drives the conveying rollers to rotate, so that automatic feeding of the steel is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of steel cutting, in particular to a fixing device of a steel cutting machine. Background Art

[0002] Generally, cutting saws include miter saws and profile cutting saws. Miter saws are mainly used to cut non-ferrous metal profiles such as aluminum and wood, fiberboard, plastic board, etc., while profile cutting saws are mainly used to cut hard materials such as steel and iron.

[0003] A patent with authorization announcement number CN205519904U discloses a cutting saw, which includes: a workbench; a saw frame; a fixed jaw for positioning the cutting angle of a workpiece; a connecting piece connected to the workbench; a cam wrench with a cam surface, which is matched with the connecting piece, and the cam wrench can rotate between a first rotation position and a second rotation position under the action of an external force, and the cam surface correspondingly rotates between the first rotation position and the second rotation position. When the cam surface is in the first rotation position, the cam surface and the fixed jaw are in an interference fit.

[0004] Although the above scheme realizes the adjustment of cutting angles different from the cutting piece, the cutting piece is fixed by auxiliary fixed jaws and fixed jaws. This method can complete the clamping of a single steel, but when multiple small steels, such as angle steels, are fixed at the same time, the angle steels are arranged side by side on the horizontal plane. The auxiliary fixed jaws and fixed jaws clamping method have a higher middle part that is prone to protrusions, and cannot keep multiple steels stable on the horizontal plane. Utility Model Content

[0005] The utility model aims to provide a fixing device for a steel cutting machine, which has the effect of stably fixing the cutting of a plurality of angle steels.

[0006] The above technical purpose of the utility model is achieved through the following technical solutions: a fixing device of a steel cutting machine, comprising a cutting seat, a tool holder hingedly connected to the cutting seat, a cutter disc rotatably connected to the tool holder and a driving motor for driving the cutter disc to rotate, a plurality of conveying rollers rotatably connected to the cutting seat, the axis of the conveying rollers is perpendicular to the end face of the cutter disc, a pressing frame located above the conveying rollers is slidably connected to the cutting seat, a pressing roller is rotatably connected to the pressing frame, a pressing cylinder for driving the pressing frame to approach or move away from the conveying rollers and a conveying motor for driving the conveying rollers to rotate are provided on the cutting seat.

[0007] By adopting the above technical solution, before cutting the steel, the clamping cylinder drives the clamping frame to move toward the conveying roller, thereby achieving vertical clamping and fixation of the steel, and the conveying motor drives the conveying roller to rotate to achieve automatic feeding of the steel.

[0008] The utility model is further configured as follows: guide clamping mechanisms are respectively arranged at both ends of the conveying roller, and the guide clamping mechanisms include a positioning roller rotatably connected to the cutting seat, a clamping slider slidably connected to the cutting seat, and a clamping roller rotatably connected to the clamping slider, the axial axes of the positioning roller and the clamping roller are perpendicular to the plane where the axis of the conveying roller is located, and a conveying gap is arranged between the positioning roller and the clamping roller.

[0009] By adopting the above technical solution, the steel to be cut passes through the transmission gap, and the sliding clamping block adjusts the size of the transmission gap to guide the steel to be cut.

[0010] The utility model is further configured as follows: a guide rail is provided on the cutting seat, the clamping slider is slidably connected to the guide rail, an adjusting screw is rotatably connected to the cutting seat, and the adjusting screw is threadedly connected to the clamping slider.

[0011] By adopting the above technical solution, the adjusting screw is rotated to drive the clamping slider to slide closer to or away from the positioning roller, thereby clamping and fixing the steel to be cut in the horizontal direction.

[0012] The utility model is further configured as follows: the end of the adjusting screw is fixedly connected with a transmission bevel gear, the cutting seat is rotatably connected with a clamping shaft, the clamping shaft is fixedly connected with a driving bevel gear meshing with the transmission bevel gear, and the end of the clamping shaft is fixedly connected with an adjusting handwheel.

[0013] By adopting the above technical solution, the adjusting hand wheel is rotated to drive the adjusting screw to rotate through the meshing of the driving bevel gear and the transmission bevel gear.

[0014] The utility model is further configured as follows: a transmission gear is fixedly connected to the end of the conveying roller, an adjusting gear located between two adjacent transmission gears is rotatably connected to the cutting seat, and the adjusting gear is respectively meshed with the transmission gears on both sides.

[0015] By adopting the above technical solution, the meshing of the adjustment gear and the transmission gear enables the multiple conveying rollers to rotate in the same direction.

[0016] The beneficial effects of the utility model are:

[0017] Before cutting the steel, the pressing cylinder drives the pressing frame to move toward the conveying roller, thereby realizing the pressing and fixing of the steel in the vertical direction, and the driving motor drives the conveying roller to rotate, thereby realizing automatic feeding of the steel;

[0018] The steel to be cut passes through the transmission gap, and the sliding clamping block adjusts the size of the transmission gap to guide the steel to be cut. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0020] Figure 1 It is a schematic diagram of the structure of this embodiment.

[0021] Figure 2 Schematic diagram of the connection relationship of the clamping frame in this embodiment.

[0022] Figure 3 Schematic diagram of the structure of the guide clamping mechanism of this embodiment.

[0023] Figure 4 yes Figure 1 Enlarged schematic diagram at point A in the middle.

[0024] In the figure, 1, cutting seat; 11, tool holder; 2, tool disc; 21, driving motor; 3, conveying roller; 31, conveying motor; 32, transmission gear; 33, adjusting gear; 4, clamping frame; 41, clamping roller; 42, clamping cylinder; 5, guide clamping mechanism; 51, positioning roller; 52, clamping slider; 53, clamping roller; 6, guide slide rail; 61, adjusting screw; 62, transmission bevel gear; 7, clamping shaft; 71, driving bevel gear; 72, adjusting hand wheel. DETAILED DESCRIPTION

[0025] The technical solution of the utility model will be described clearly and completely below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Embodiment, a fixing device of a steel cutting machine, as shown in the figure, comprises a cutting seat 1, a knife holder 11 hingedly connected to the cutting seat 1, a knife disc 2 rotatably connected to the knife holder 11, and a driving motor 21 driving the knife disc 2 to rotate, a plurality of conveying rollers 3 are rotatably connected to the cutting seat 1, the axis of the conveying roller 3 is perpendicular to the end face of the knife disc 2, a pressing frame 4 located above the conveying roller 3 is slidably connected to the cutting seat 1, a pressing roller 41 is rotatably connected to the pressing frame 4, a pressing cylinder 42 driving the pressing frame 4 to approach or move away from the conveying roller 3 and a driving motor 21 driving the conveying roller 3 to rotate are provided on the cutting seat 1. A transmission gear 32 is fixedly connected to the end of the conveying roller 3, an adjusting gear 33 located between two adjacent transmission gears 32 is rotatably connected to the cutting seat 1, and the adjusting gear 33 is respectively meshed with the transmission gears 32 on both sides.

[0027] As shown in the figure, guide clamping mechanisms 5 are respectively provided at both ends of the conveying roller 3, and the guide clamping mechanism 5 includes a positioning roller 51 rotatably connected to the cutting seat 1, a clamping slider 52 slidably connected to the cutting seat 1 and a clamping roller 53 rotatably connected to the clamping slider 52, the axis of the positioning roller 51 and the clamping roller 53 are perpendicular to the plane where the axis of the conveying roller 3 is located, and a conveying gap is set between the positioning roller 51 and the clamping roller 53.

[0028] As shown in the figure, the cutting seat 1 is provided with a guide rail 6, the pressing slider is slidably connected to the guide rail 6, the cutting seat 1 is rotatably connected with an adjusting screw 61, and the adjusting screw 61 is threadedly connected to the pressing slider. The end of the adjusting screw 61 is fixedly connected with a transmission bevel gear 62, the cutting seat 1 is rotatably connected with a clamping shaft 7, the clamping shaft 7 is fixedly connected with a driving bevel gear 71 meshing with the transmission bevel gear 62, and the end of the clamping shaft is fixedly connected with an adjusting hand wheel 72.

[0029] When the steel cutting machine is used, the steel to be cut passes through the transmission gap, and the sliding clamping block adjusts the size of the transmission gap to guide the steel to be cut. The adjusting hand wheel 72 is turned to drive the adjusting screw 61 to rotate through the meshing of the driving bevel gear 71 and the transmission bevel gear 62. The adjusting screw 61 drives the pressing slider to slide closer to or away from the positioning roller 51 to clamp and fix the steel to be cut in the horizontal direction. The pressing cylinder 42 drives the pressing frame 4 to move toward the conveying roller 3, thereby achieving the clamping and fixing of the steel in the vertical direction. The driving motor 21 drives the conveying roller 3 to rotate to achieve automatic feeding of the steel, thereby improving the stability of the fixing of the steel to be cut.

Claims

1. A fixing device for a steel cutting machine, comprising a cutting seat (1), a knife holder (11) hingedly connected to the cutting seat (1), a knife disc (2) rotatably connected to the knife holder (11), and a driving motor (21) for driving the knife disc (2) to rotate, characterized in that: The cutting seat (1) is rotatably connected to a plurality of conveying rollers (3), the axes of the conveying rollers (3) being perpendicular to the end faces of the cutter discs (2), the cutting seat (1) is slidably connected to a clamping frame (4) located above the conveying rollers (3), the clamping frame (4) is rotatably connected to a clamping roller (41), and the cutting seat (1) is provided with a clamping cylinder (42) for driving the clamping frame (4) to move closer to or away from the conveying rollers (3) and a conveying motor (31) for driving the conveying rollers (3) to rotate.

2. The fixing device for a steel cutting machine according to claim 1, characterized in that: A guide clamping mechanism (5) is respectively provided at both ends of the conveying roller (3), and the guide clamping mechanism (5) comprises a positioning roller (51) rotatably connected to the cutting seat (1), a clamping slider (52) slidably connected to the cutting seat (1), and a clamping roller (53) rotatably connected to the clamping slider (52), the axis of the positioning roller (51) and the clamping roller (53) being perpendicular to the plane where the axis of the conveying roller (3) is located, and a conveying gap is set between the positioning roller (51) and the clamping roller (53).

3. The fixing device for a steel cutting machine according to claim 2, characterized in that: The cutting seat (1) is provided with a guide rail (6), the pressing slide block is slidably connected to the guide rail (6), the cutting seat (1) is rotatably connected with an adjusting screw (61), and the adjusting screw (61) is threadedly connected to the pressing slide block.

4. The fixing device for a steel cutting machine according to claim 3, characterized in that: The end of the adjusting screw (61) is fixedly connected to a transmission bevel gear (62); the cutting seat (1) is rotatably connected to a clamping shaft (7); the clamping shaft (7) is fixedly connected to a driving bevel gear (71) meshing with the transmission bevel gear (62); and the end of the clamping shaft is fixedly connected to an adjusting hand wheel (72).

5. The fixing device for a steel cutting machine according to claim 1, characterized in that: The end of the conveying roller (3) is fixedly connected with a transmission gear (32), and the cutting seat (1) is rotatably connected with an adjustment gear (33) located between two adjacent transmission gears (32), and the adjustment gear (33) is respectively meshed with the transmission gears (32) on both sides.

Images