Numerical control ring piece cutting machine tool adopting circular saw blade and working method thereof

Abstract

The application discloses a numerical control ring piece cutting machine tool with a circular saw blade, which comprises a base, a workpiece placing disc is rotationally connected to the top of the base, a limiting assembly is arranged on the surface of the workpiece placing disc, and a sliding rail is fixedly connected to the surface of the base, and the application relates to the technical field of numerical control machine tools. The numerical control ring piece cutting machine tool with the circular saw blade effectively solves the problems of difficult cutting operation of the original ring piece pile rolling machine tool and the problem that the ring piece cannot be cut due to large wall thickness, expands the range of ring piece pile rolling, and improves the efficiency. Compared with the original vertical lathe machine tool cutting, the numerical control ring piece cutting machine tool with the circular saw blade has the advantages of small cutting gap, simple operation, large saving of metal materials, and cost saving. The numerical control ring piece cutting machine tool with the circular saw blade can greatly expand the range of ring piece pile rolling, further reduce rolling defects such as folding, improve the quality of the ring piece, and conveniently and quickly load and unload the workpiece through the initial positioning of the sliding block during loading and the workpiece lifting of the top plate on the sliding block after cutting is completed.

Description

Technical Field

[0001] This invention relates to the field of CNC machine tool technology, specifically to a CNC ring cutting machine tool using a circular saw blade and its working method. Background Technology

[0002] The common characteristics of ring applications are large diameter but thin thickness, such as raceway rings and gear rings. Ring forging plants usually roll them separately, which is inefficient and results in material waste because machining allowances need to be reserved. If double rolling is used and then vertical cutting is used, the kerf must be at least 8mm. If the wall thickness is too large, it cannot be cut. Moreover, vertical cutting is dangerous and can easily cause flying rings, leading to personnel injuries. Summary of the Invention

[0003] To address the shortcomings of existing technologies, this invention provides a CNC ring cutting machine tool using a circular saw blade and its working method, thus solving the aforementioned problems.

[0004] To achieve the above objectives, the present invention provides the following technical solution: a CNC ring slitting machine tool using a circular saw blade, comprising a base, a workpiece placement tray rotatably connected to the top of the base, a limit assembly provided on the surface of the workpiece placement tray, a sliding rail fixedly connected to the surface of the base, a movable seat slidably connected to the surface of the sliding rail, a cutting assembly provided on the surface of the movable seat, the cutting assembly including a belt drive mechanism and a cutting saw driven by the belt drive mechanism, both the workpiece placement tray and the cutting saw being parallel to the ground, a guide assembly located around the workpiece placement tray on the surface of the base, the guide assembly including a sliding block slidably connected to the base surface via a sliding groove, a threaded rod driven by a motor rotatably connected to the inner cavity of the sliding block, a guide rod fixedly connected to the inner cavity of the sliding block, a lifting plate slidably connected to the surface of the guide rod, one end of the threaded rod penetrating the lifting plate and extending to the other side of the lifting plate, the surface of the threaded rod being threadedly connected to the inner cavity of the lifting plate, a top plate fixedly connected to one side of the lifting plate, and a conical surface formed on the side of the top plate facing the workpiece placement tray.

[0005] As a further aspect of the present invention: a driving hydraulic cylinder is fixedly connected to the surface of the base, and the driving hydraulic cylinder is used to drive the sliding block to slide in the sliding groove.

[0006] As a further aspect of the present invention: three guide components are provided and are distributed circumferentially around the workpiece placement tray.

[0007] As a further aspect of the present invention: the workpiece placement tray is driven up and down above the base by a motor.

[0008] As a further scheme of the present application: the surface of the base is provided with a dust collection groove, the surface of the base above the dust collection groove is rotationally connected with a dust cover, both sides of the dust cover are provided with air slots respectively matched with the surface of the workpiece placing disc and the cutting assembly.

[0009] As a further scheme of the present application: the inner cavity of the dust cover is fixedly connected with a blowing box, the surface of the blowing box is provided with a blowing hole facing the dust collection groove, and the blowing box is communicated with a wind source.

[0010] As a further scheme of the present application: one side of the belt transmission mechanism is fixedly connected with a fixed rod, one end of the fixed rod is slidingly connected with a sliding rod, one end of the sliding rod is fixedly connected with an abutting head, the surface of the abutting head is fixedly connected with a cutting fluid nozzle, the cutting fluid nozzle is communicated with a cutting fluid pump, the surface of the sliding rod is sleeved with an extrusion spring, both ends of the extrusion spring are respectively abutted with both ends of the fixed rod and the abutting head, and the surface of the base above the dust collection groove is fixedly connected with an abutting plate abutting with the surface of the abutting head.

[0011] The application further discloses a working method of a numerical control ring piece cutting machine tool with a circular saw blade.

[0012] Step one, feeding, hoisting the workpiece through a crane, hoisting above the workpiece placing disc, moving the workpiece between the three sliding blocks for initial positioning, then placing the workpiece above the workpiece placing disc, fixing the workpiece through the limiting assembly, then aligning the cutting position with the height of the cutting saw according to the cutting height by driving the workpiece placing disc to move up and down through the motor;

[0013] Step two, cutting, rotating the dust cover on the surface of the workpiece placing disc, then driving the workpiece placing disc to rotate and drive the workpiece to rotate, then driving the cutting saw to rotate through the belt transmission mechanism, and the cutting saw and the workpiece placing disc rotate in opposite directions, then driving the moving seat to move on the sliding rail through the motor, driving the cutting saw to cut the workpiece, when the belt transmission mechanism moves, driving the fixed rod to move, driving the abutting head to move towards the workpiece placing disc through the fixed rod, driving the cutting fluid nozzle to follow, after the abutting head abuts against the surface of the abutting plate, the abutting head is limited, the extrusion spring is extruded, the sliding rod is driven to retract into the fixed rod, at this time, the cutting saw continues to move, the cutting fluid nozzle stops moving, the cutting waste is blocked by the dust cover and falls into the dust collection groove, and at this time, the dust is blown into the dust collection groove through the blowing hole in the surface of the blowing box.

[0014] Step three, unloading, after cutting, open the dust cover, cancel the limiting component to the workpiece limiting, then through the motor drive screw rod rotation, screw rod drives the lifting plate to rise and fall on the guide rod to adjust the height, drive the top plate to the height with the cutting seam, then start the drive hydraulic cylinder drives the sliding block to move in the sliding groove, drive the top plate into the gap between the cut workpiece, lift the workpiece, then through the lifting equipment lifts the workpiece, completes the unloading.

[0015] Compared with the prior art, the present application has the following advantages:

[0016] 1. The present application effectively solves the cutting operation difficulty of the original ring piece roll forming machine tool, and the problem of being unable to cut due to large wall thickness, expands the range of ring piece roll forming, and improves the efficiency. Compared with the original vertical lathe machine tool cutting, it has small cutting gap, simple operation, can save a large amount of metal material, and saves cost. Three is to greatly expand the range of ring piece roll forming, to further reduce the folding and other rolling defects, improve the quality of the ring piece, and through the sliding block to preliminarily position during feeding, and through the top plate on the sliding block to lift the workpiece after cutting is completed, feeding and discharging is more convenient and fast, and can prevent the workpiece from falling and injuring the operator.

[0017] 2. The present application, unlike the traditional band saw blade type sawing machine, uses a metal circular saw blade to cut the ring piece, the cutting speed is increased by more than 3 times, can reach more than 5mm per minute, and a normal 100mm thick ring piece only needs about 20 minutes to cut open, the stability is improved: the metal circular saw blade has good rigidity and is not easy to deform, has high speed and high material yield, will not cause deflection, the cutting surface is smooth and flat, saves the ring piece processing process, the cutting gap is small, saves materials and reduces cost. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a structural top view of the present application;

[0019] Figure 2 is a dust cover setting state schematic view of the present application;

[0020] Figure 3 is a structural front view of the present application;

[0021] Figure 4 is a dust cover setting state schematic view of the present application; Figure 1 is a local enlarged view of A in the present application;

[0022] Figure 5 is a local enlarged view of B in the present application. Figure 1

[0023] ​In the figure: 1, base; 2, limiting assembly; 3, belt transmission mechanism; 4, cutting saw; 5, sliding groove; 6, sliding block; 7, threaded rod; 8, lifting plate; 9, guide rod; 10, top plate; 11, driving hydraulic cylinder; 12, dust cover; 13, dust collection groove; 14, empty groove; 15, blowing box; 16, blowing hole; 17, sliding rail; 18, moving seat; 19, fixed rod; 20, sliding rod; 21, abutting head; 22, extrusion spring; 23, cutting fluid spray head; 24, abutting plate; 25, workpiece placing disc. DETAILED DESCRIPTION

[0024] In order to further clarify the technical means and effects taken by the present application to achieve the predetermined invention purpose, the specific embodiments, structures, features and effects according to the present application are described in detail as follows in combination with the drawings and preferred embodiments.

[0025] Please refer to Figures 1-5The application provides a technical scheme: a numerical control ring piece cutting machine tool adopting a circular saw blade, which comprises a base 1, a workpiece placing disc 25 is rotationally connected to the top of the base 1, a limiting assembly 2 is arranged on the surface of the workpiece placing disc 25, a sliding rail 17 is fixedly connected to the surface of the base 1, a moving seat 18 is slidingly connected to the surface of the sliding rail 17, a cutting assembly is arranged on the surface of the moving seat 18, the cutting assembly comprises a belt transmission mechanism 3 and a cutting saw 4 driven by the belt transmission mechanism 3, unlike a traditional band saw blade type sawing machine, the equipment uses a metal circular saw blade to cut a ring piece, the cutting speed is increased by more than three times, can reach more than 5 mm per minute, and a normal 100 mm thick ring piece only needs to be cut open for about 20 minutes, the stability is improved: the metal circular saw blade has good rigidity and is not easy to deform, has high rotating speed and high material yield, and will not cause deflection, the cutting surface is smooth and flat, and the ring piece machining process is saved. The cutting gap is small, material is saved, and cost is reduced, the workpiece placing disc 25 and the cutting saw 4 are parallel to the ground, the surface of the base 1 is provided with a guide assembly located around the workpiece placing disc 25, the guide assembly comprises a sliding block 6 slidingly connected to the surface of the base 1 through a sliding groove 5, a threaded rod 7 driven by a motor is rotationally connected to the inner cavity of the sliding block 6, a guide rod 9 is fixedly connected to the inner cavity of the sliding block 6, a lifting plate 8 is slidingly connected to the surface of the guide rod 9, one end of the threaded rod 7 penetrates through the lifting plate 8 and extends to the other side of the lifting plate 8, the surface of the threaded rod 7 is screw-connected with the inner cavity of the lifting plate 8, one side of the lifting plate 8 is fixedly connected with a top plate 10, one side of the top plate 10 facing the workpiece placing disc 25 is provided with a conical surface, effectively solving the problems of difficult cutting operation of the original ring piece pile rolling machine tool and the problem that a ring piece cannot be cut due to large wall thickness, expanding the ring piece pile rolling range and improving the efficiency. Second, compared with the original vertical lathe machine tool cutting, the cutting gap is small, the operation is simple, a large amount of metal material can be saved, and cost is saved. Third, the ring piece pile rolling range can be greatly expanded, so as to further reduce the folding and rolling defects, improve the ring piece quality, and when feeding, the sliding block 6 is used for initial positioning, after cutting is completed, the workpiece is lifted up by the top plate 10 on the sliding block 6, feeding and discharging are more convenient and fast, and the operator can be prevented from being injured by falling material.

[0026] A driving hydraulic cylinder 11 is fixedly connected to the surface of the base 1, the driving hydraulic cylinder 11 is used for driving the sliding block 6 to slide in the sliding groove 5, the driving hydraulic cylinder 11 drives the sliding block 6 to move in the sliding groove 5, drives the top plate 10 to be inserted into the gap between the cut workpieces, and lifts up the workpieces.

[0027] The guide assembly is provided with three and is distributed in a ring shape around the workpiece placing disc 25, the workpiece is hoisted by a crane, is hoisted above the workpiece placing disc 25, and is moved to the three sliding blocks 6 for initial positioning.

[0028] The workpiece placing disc 25 is driven up and down by a motor above the base 1, and is driven up and down by a motor according to the cutting height, so that the position to be cut is aligned with the height of the cutting saw 4.

[0029] The surface of the base 1 is provided with a dust collecting groove 13, and the surface of the base 1 above the dust collecting groove 13 is rotatably connected with a dust cover 12, and the two sides of the dust cover 12 are provided with air grooves 14 adapted to the surfaces of the workpiece placing disc 25 and the cutting assembly respectively.

[0030] The inner cavity of the dust cover 12 is fixedly connected with a blowing box 15, the surface of the blowing box 15 is provided with a blowing hole 16 facing the dust collecting groove 13, the blowing box 15 is communicated with a wind source, the cutting waste is blocked by the dust cover 12 and then falls into the dust collecting groove 13, and at this time, blowing is performed through the blowing hole 16 on the surface of the blowing box 15 to blow the dust into the dust collecting groove 13.

[0031] One side of the belt driving mechanism 3 is fixedly connected with a fixed rod 19, one end of the fixed rod 19 is slidably connected with a sliding rod 20, one end of the sliding rod 20 is fixedly connected with an abutting head 21, the surface of the abutting head 21 is fixedly connected with a cutting fluid nozzle 23, the cutting fluid nozzle 23 is communicated with a cutting fluid pump, the surface of the sliding rod 20 is sleeved with an extrusion spring 22, the two ends of the extrusion spring 22 are respectively abutted with the two ends of the fixed rod 19 and the abutting head 21, the surface of the base 1 above the dust collecting groove 13 is fixedly connected with an abutting plate 24 abutting with the surface of the abutting head 21, the fixed rod 19 drives the abutting head 21 to move towards the workpiece placing disc 25, and drives the cutting fluid nozzle 23 to follow, after the abutting head 21 abuts on the surface of the abutting plate 24, the abutting head 21 is limited, the extrusion spring 22 is extruded, the sliding rod 20 is driven to retract into the fixed rod 19, at this time, the cutting saw 4 continues to move, the cutting fluid nozzle 23 stops moving, and the cutting fluid nozzle 23 follows to cool.

[0032] The application also discloses a working method of the numerical control ring piece cutting machine tool adopting the circular saw blade.

[0033] Step one, feeding, hoisting the workpiece by a crane, hoisting above the workpiece placing disc 25, moving the workpiece between the three sliding blocks 6 for initial positioning, then placing the workpiece above the workpiece placing disc 25, fixing the workpiece through the limiting assembly 2, then driving the workpiece placing disc 25 up and down by a motor according to the cutting height, aligning the position to be cut with the height of the cutting saw 4.

[0034] Step two, cutting, the dust cover 12 is rotated to cover the surface of the workpiece placing disc 25, then the workpiece placing disc 25 is driven to rotate to drive the workpiece to rotate, then the cutting saw 4 is driven to rotate through the belt transmission mechanism 3, the cutting saw 4 and the workpiece placing disc 25 rotate in opposite directions, then the moving seat 18 is driven to move on the sliding rail 17 through the motor, the cutting saw 4 is driven to cut the workpiece, when the belt transmission mechanism 3 moves, the fixed rod 19 moves, the fixed rod 19 drives the abutting head 21 to move towards the workpiece placing disc 25, the cutting fluid nozzle 23 is driven to follow, after the abutting head 21 abuts against the surface of the abutting plate 24, the abutting head 21 is limited, the compression spring 22 is compressed, the sliding rod 20 is driven to retract into the fixed rod 19, at this time the cutting saw 4 continues to move, the cutting fluid nozzle 23 stops moving, the cutting waste is blocked by the dust cover 12 and falls into the dust collecting groove 13, and at this time the dust is blown into the dust collecting groove 13 through the blowing holes 16 on the surface of the blowing box 15;

[0035] Step three, discharging, after cutting, the dust cover 12 is opened, the limiting assembly 2 is limited to the workpiece, then the threaded rod 7 is driven to rotate through the motor, the lifting plate 8 is driven to rise and fall to adjust the height on the guide rod 9, the top plate 10 is driven to move to the height flush with the cutting seam, then the sliding block 6 is driven to move in the sliding groove 5 through the starting driving hydraulic cylinder 11, the top plate 10 is inserted into the gap between the cut workpieces, the workpieces are lifted up, then the workpieces are lifted up through the hoisting equipment, and the discharging is completed.

[0036] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. Although the preferred embodiment of the present application has been disclosed as above, it is not intended to limit the present application. Any person skilled in the art can make some changes or modifications to the above disclosed technical content to obtain equivalent embodiments with equivalent changes, without departing from the technical solution of the present application. Any modification, change and modification of the above embodiments, which does not depart from the technical solution of the present application, is still within the scope of the present application.

Claims

1. A CNC ring cutting machine tool using a circular saw blade, comprising a base (1), a workpiece placement tray (25) rotatably connected to the top of the base (1), a limit assembly (2) provided on the surface of the workpiece placement tray (25), a sliding rail (17) fixedly connected to the surface of the base (1), a movable seat (18) slidably connected to the surface of the sliding rail (17), and a cutting assembly provided on the surface of the movable seat (18), characterized in that: The cutting assembly includes a belt transmission mechanism (3) and a cutting saw (4) driven by the belt transmission mechanism (3), the workpiece placing disc (25) and the cutting saw (4) are parallel to the ground, the surface of the base (1) is provided with a guide assembly around the workpiece placing disc (25), the guide assembly includes a sliding block (6) connected with the surface of the base (1) through a sliding groove (5), the inner cavity of the sliding block (6) is rotationally connected with a threaded rod (7) driven by a motor, the inner cavity of the sliding block (6) is fixedly connected with a guide rod (9), the surface of the guide rod (9) is slidingly connected with a lifting plate (8), one end of the threaded rod (7) penetrates through the lifting plate (8) and extends to the other side of the lifting plate (8), the surface of the threaded rod (7) is threadedly connected with the inner cavity of the lifting plate (8), one side of the lifting plate (8) is fixedly connected with a top plate (10), and a conical surface is formed on one side of the top plate (10) facing the workpiece placing disc (25). One side of the belt transmission mechanism (3) is fixedly connected with a fixed rod (19), one end of the fixed rod (19) is slidingly connected with a sliding rod (20), one end of the sliding rod (20) is fixedly connected with an abutting head (21), the surface of the abutting head (21) is fixedly connected with a cutting fluid nozzle (23), the cutting fluid nozzle (23) is in communication with a cutting fluid pump, the surface of the sliding rod (20) is sleeved with an extrusion spring (22), the two ends of the extrusion spring (22) are respectively abutted with the two ends of the fixed rod (19) and the abutting head (21), and the surface of the base (1) above the dust collecting groove (13) is fixedly connected with an abutting plate (24) abutting with the surface of the abutting head (21). The fixed rod (19) drives the abutting head (21) to move towards the workpiece placing disc (25), drives the cutting fluid nozzle (23) to follow, after the abutting head (21) abuts on the surface of the abutting plate (24), the abutting head (21) is limited, the extrusion spring (22) is extruded, the sliding rod (20) is driven to retract into the fixed rod (19), at this time the cutting saw (4) continues to move, the cutting fluid nozzle (23) stops moving, and the cutting fluid nozzle (23) follows to cool.

2. The numerical control ring piece cutting machine tool with a circular saw blade according to claim 1, characterized in that: The surface of the base (1) is fixedly connected with a driving hydraulic cylinder (11), and the driving hydraulic cylinder (11) is used to drive the sliding block (6) to slide in the sliding groove (5).

3. The numerical control ring piece cutting machine tool with a circular saw blade according to claim 1, characterized in that: The guide assembly is provided with three, and is distributed in a ring around the workpiece placing disc (25).

4. The numerical control ring piece cutting machine tool with a circular saw blade according to claim 1, characterized in that: The workpiece placing disc (25) is driven by a motor to move up and down above the base (1).

5. The numerical control ring piece cutting machine tool with a circular saw blade according to claim 1, characterized in that: The surface of the base (1) is provided with a dust collecting groove (13), the surface of the base (1) above the dust collecting groove (13) is rotationally connected with a dust cover (12), and the two sides of the dust cover (12) are provided with air grooves (14) respectively matched with the surface of the workpiece placing disc (25) and the cutting assembly.

6. The numerical control ring piece cutting machine tool with a circular saw blade according to claim 5, characterized in that: The inner cavity of the dust cover (12) is fixedly connected with a blowing box (15), the surface of the blowing box (15) is provided with blowing holes (16) facing the dust collecting groove (13), and the blowing box (15) is in communication with a wind source.

7. A working method of a numerical control ring dividing machine tool with a circular saw blade according to any one of claims 1-6, characterized in that: The method comprises the following steps: Step one, feeding, hoisting the workpiece by a crane, primary positioning, aligning the position to be cut with the height of the cutting saw (4); Step two, cutting, rotating the dust cover (12) on the surface of the workpiece placing disc (25), then driving the workpiece placing disc (25) to rotate and drive the workpiece to rotate, cutting the workpiece, the waste generated by cutting is blocked by the dust cover (12) and then falls into the dust collecting groove (13), and at this time, the blowing holes (16) on the surface of the blowing box (15) blow, blowing the dust into the dust collecting groove (13); Step three, discharging, after cutting, opening the dust cover (12), canceling the limiting of the workpiece by the limiting assembly (2), driving the top plate (10) to be inserted into the gap between the cut workpieces, lifting the workpiece, then hoisting the workpiece by the hoisting equipment, and completing the discharging.

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