Three-dimensional laser precision cutting machine

Abstract

The utility model discloses a three-dimensional laser precision cutting machine in the technical field of three-dimensional laser precision cutting machines. Comprising a working table, a working plate is fixedly connected to the working table, and a cutting table capable of reciprocating on the working plate is slidably connected to the central axis of the working plate; a conveying assembly capable of enabling the cutting table to reciprocate is arranged on the cutting table; according to the full-automatic laser cutting machine, the driving assembly is matched with the conveying assembly, the integrated working procedure of feeding, cutting, resetting and discharging is achieved, and automatic laser cutting can be achieved with the assistance of a plc control system.

Description

TECHNICAL FIELD

[0001] The utility model relates to three -dimensional laser precision cutting machine technical field, concretely is a kind of three -dimensional laser precision cutting machine. BACKGROUND

[0002] Laser cutting technology is a kind of processing technology using high-power density laser beam irradiation on the surface of material to be cut, so that material is rapidly melted, vaporized or reaches ignition point, while high-speed airflow blows away the melted or burned material, so as to realize cutting process;Laser cutting technology has many advantages, such as high precision, cutting fast, not limited to cutting pattern restriction, automatic layout saves material, smooth cutting, low processing cost, etc., in addition, the mechanical part of laser cutter head has no contact with workpiece, and will not scratch the surface of workpiece in work, cutting heat affected zone is small, plate deformation is small, cutting has no mechanical stress, no shear burr, high processing precision, good repeatability, without damaging material surface.

[0003] To adapt to modern production, the intelligent control of plc is essential, in order to make feeding, cutting and discharging one-stop, automatic feeding, automatic discharge and automatic adjustment of cutting position all need reasonable control, therefore, an laser cutting machine capable of adapting to various workpieces is urgently needed. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of three -dimensional laser precision cutting machine to solve the problems presented in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of three -dimensional laser precision cutting machine, including workbench, the workbench is fixedly connected with working plate, the middle axis of the working plate is slidably connected with the cutting table that can reciprocate on working plate;The cutting table is provided with the conveying assembly that can make it reciprocate;

[0006] The upper end of the workbench is provided with laser cutting machine, and the laser cutting machine is provided with the drive assembly that can drive its movement cutting;The drive assembly can drive conveying assembly to convey workpiece on cutting table to laser cutting machine for cutting.

[0007] As a further scheme of the utility model, the driving assembly includes the driving motor fixedly connected on the workbench, and the output end of the driving motor is fixedly connected with an incomplete gear; the incomplete gear is engaged with two driven gears symmetrically arranged relative to the incomplete gear, the rotating shafts of each driven gear are fixedly connected with two threaded rods through a differential mechanism, the threads of the two threaded rods are opposite, the two threaded rods are connected with two threaded blocks respectively, the threaded blocks are fixedly connected with sliding blocks, the threaded blocks are movably connected with clamping gears, and the threaded rods are in threaded connection with the clamping gears; the driving plate capable of moving in the vertical direction of the sliding blocks is slidably connected to the sliding blocks, and the driving plate is fixedly connected with the laser cutting machine;

[0008] The driving cylinder for adjusting the height of the laser cutting machine is fixedly connected to the driving plate, the output end of the driving cylinder is fixedly connected to the upper end of the driving plate, and the driving cylinder is slidably connected to the upper end of the workbench.

[0009] As a further scheme of the utility model, the conveying assembly includes the first transmission wheel fixedly connected at the two ends of the lower end threaded rod, and the transmission wheel is drivingly connected with a second transmission wheel through a conveying belt.

[0010] The rotating shaft of one of the second transmission wheels is fixedly connected with a rotating rod, the end of the rotating rod is connected with a steering box, and the steering box is fixedly connected with the workbench.

[0011] The lower surface of the cutting table is slidably connected with a sliding rod, one end of the sliding rod is fixedly connected with the workbench through a connecting block, and the other end of the sliding rod is connected with the steering box.

[0012] As a further scheme of the utility model, the workbench is provided with a groove for the movement of the conveying belt.

[0013] As a further scheme of the utility model, the workbench is provided with a protective cover for cutting protection.

[0014] As a further scheme of the utility model, the rotating shaft of the second transmission wheel is fixedly connected with a winding wheel, one end of the winding wheel is wound with a traction rope, and the other end of the traction rope is fixedly connected to the cutting table.

[0015] The two sides of the lower end of the workbench are fixedly connected with two fixed blocks symmetrically arranged relative to the workbench, the cutting table and the fixed blocks are fixedly connected with a reset spring for resetting the cutting table, and the fixed blocks are provided with holes for the penetration of the traction rope. During work, the winding wheel is driven to rotate through the rotation of the second transmission wheel, the traction rope is slowly loosened after the rotation of the winding wheel, and the stable effect of the cutting table can be achieved through the cooperation of the reset spring.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] The utility model discloses can be automatic with the transportation of the workpiece of cutting to the designated position and cut, and the laser cutting machine can cut the workpiece immediately, with the laser cutting machine and cut, can immediately convey the workpiece that cuts and leaves, realized automatic transportation and cutting. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is overall structure schematic diagram of the utility model;

[0019] Figure 2 It is internal side view structure schematic diagram of the utility model;

[0020] Figure 3 It is workboard structure schematic diagram of the utility model;

[0021] Figure 4 It is workbench half cut structure schematic diagram of the utility model;

[0022] Figure 5 It is not complete gear and driven gear meshing structure schematic diagram of the utility model;

[0023] Figure 6 It is sliding block, drive plate, laser cutting machine and drive cylinder structure connection schematic diagram of the utility model;

[0024] Figure 7 It is thread block, toothed structure connection schematic diagram of the utility model.

[0025] In the drawings, the components represented by each reference sign are as follows:

[0026] Workbench 1, workboard 2, cutting table 3, drive motor 4, threaded rod 5, not complete gear 10, driven gear 11, sliding block 6, drive plate 7, laser cutting machine 8, drive cylinder 9, first transmission wheel 12, conveyer belt 13, fixed block 14, second transmission wheel 15, winding wheel 16, traction rope 18, return spring 17, sliding rod 19, thread block 20, toothed 21, steering box 22, rotating rod 23. DETAILED DESCRIPTION

[0027] Please refer to Figures 1-7 The utility model provides a technical scheme: a three -dimensional laser precision cutting machine, including workbench 1, workbench 1 is fixedly connected with workboard 2, and the middle axis of workboard 2 is slidably connected with the cutting table 3 that can reciprocate on workboard 2;Cutting table 3 is provided with the conveyance subassembly that can make it reciprocate;

[0028] The upper end of the workbench 1 is provided with a laser cutting machine 8, which is a mature technology at present and can be selected according to actual production. The laser cutting machine 8 is provided with a driving assembly capable of driving the movement cutting. The driving assembly can drive the conveying assembly to convey the workpiece on the cutting table 3 to the laser cutting machine 8 for cutting.

[0029] The driving assembly comprises a driving motor 4 fixedly connected to the workbench 1. The output end of the driving motor 4 is fixedly connected with an incomplete gear 10. The incomplete gear 10 is engaged with two driven gears 11 symmetrically arranged thereon. The rotating shaft of each driven gear 11 is fixedly connected with a threaded rod 5 through a differential. The threads of the two threaded rods 5 are opposite. The two threaded rods 5 are respectively connected with two threaded blocks 20. The threaded blocks 20 are fixedly connected with a sliding block 6. The threaded blocks 20 are movably connected with a clamping tooth 21. The threaded rod 5 is threadedly connected with the clamping tooth 21. The sliding block 6 is slidably connected with a driving plate 7 capable of moving in the vertical direction thereof. The driving plate 7 is fixedly connected with the laser cutting machine 8.

[0030] The driving plate 7 is fixedly connected with a driving cylinder 9 for adjusting the height of the laser cutting machine 8. The output end of the driving cylinder 9 is fixedly connected to the upper end of the driving plate 7. The driving cylinder 9 is slidably connected to the upper end of the workbench 1.

[0031] The conveying assembly comprises a first transmission wheel 12 fixedly connected to the threaded rods 5 at the lower end. The transmission wheel 12 is drivingly connected with a second transmission wheel 15 through a conveying belt 13. The workbench 2 is provided with a slot for the movement of the conveying belt 13.

[0032] The rotating shaft of one of the second transmission wheels 15 is fixedly connected with a rotating rod 23. The end of the rotating rod 23 is connected with a steering box 22. The steering box 22 is fixedly connected with the workbench 1.

[0033] The lower surface of the cutting table 3 is slidably connected with a sliding rod 19. One end of the sliding rod 19 is fixedly connected with the workbench 1 through a connecting block. The other end is connected with the steering box 22.

[0034] The workbench 1 can be provided with a protective cover for cutting protection. The safety protection during cutting is not shown in the conventional setting.

[0035] The rotating shaft of the second transmission wheel 15 is fixedly connected with a winding wheel 16. One end of the winding wheel 16 is wound with a traction rope 18. The other end of the traction rope 18 is fixedly connected to the cutting table 3.

[0036] The lower end of the workbench 1 is fixedly connected with two fixed blocks 14 symmetrically arranged thereon, a reset spring 17 for resetting the cutting table 3 is fixedly connected between the cutting table 3 and the fixed block 14, and a hole for the traction rope 18 to pass through is formed in the fixed block 14. During operation, the traction rope 18 is slowly loosened after the winding wheel 16 is rotated by the rotation of the second transmission wheel 15, and the cutting table 3 can be more stably reset by the cooperation of the reset spring 17.

[0037] The working principle is as follows: Figure 1 As shown in the figure, the workpiece to be cut is placed on the cutting table 3 for fixation, the driving cylinder 9 is started to drive the driving plate 7 to rise or lower on the sliding block 6, so that the laser cutting machine 8 is adjusted to the appropriate position.

[0038] As shown in the figure, Figure 5 Then the driving motor 4 is started to drive the incomplete gear 10 to rotate counterclockwise by half a turn, the incomplete gear 10 drives the driven gear 11 at the upper end to rotate, and the driven gear 11 at the upper end drives the threaded rod 5 at the upper end to rotate through the differential mechanism; after the threaded rod 5 at the upper end rotates, the clamping teeth 21 in the upper end threaded block 20 are engaged with the threaded rod 5 at the upper end (it should be noted that the threaded rod 5 at the lower end is not in contact with the clamping teeth 21 in the lower end sliding block 6 at this time, and the clamping teeth 21 can be connected with an electric telescopic rod capable of intelligent control, and the clamping of the clamping teeth 21 and the threaded rod 5 is realized by the extension and retraction of the electric telescopic rod, which is only one specific implementation of the clamping of the clamping teeth 21 and the threaded rod 5, but is not limited thereto, and is not shown in the figure), so that the threaded rod 5 at the upper end can drive the sliding block 6 to move from left to right, and the cutting of the laser cutting machine 8 in the left-to-right direction path can be completed.

[0039] After moving to the rightmost end, the incomplete gear 10 rotated by half a turn is engaged with the driven gear 11 at the lower end, driving the driven gear 11 at the lower end to rotate, and the driven gear 11 drives the threaded rod 5 at the lower end to rotate through the differential mechanism, so that the clamping teeth 21 in the threaded rod 5 at the lower end are engaged with the threaded rod 5 at the lower end (at this time, the threaded rod 5 at the upper end is disengaged from the clamping teeth 21 in the sliding block 6 at the upper end, and is in a state of not contacting each other), so that the threaded rod 5 at the lower end can drive the sliding block 6 to move from right to left, and the laser cutting machine 8 can be reset in the right-to-left direction.

[0040] As shown in the figure, Figures 2-3As shown, when the laser cutting machine 8 is restored to the initial state with the rotation of the lower threaded rod 5, the lower threaded rod 5 drives the first transmission wheel 12 to rotate, the first transmission wheel 12 drives the second transmission wheel 15 to rotate through the transmission belt 13, the second transmission wheel 15 drives the rotating rod 23 to rotate, the rotating rod 23 drives the sliding rod 19 to rotate through the steering of the steering box 22, the sliding rod 19 moves the cutting table 3 to the outside of the workbench 1, and the workers can take out the cut workpiece from the cutting table 3, and then place the workpiece to be cut on the cutting table 3;

[0041] Then the driving motor 4 is started to drive the incomplete gear 10 to rotate in the opposite direction for one revolution (at this time, the teeth in the threaded block 20 are not engaged with the threaded rod 5, so the sliding block 6 will not be moved); the incomplete gear 10 drives the lower threaded rod 5 to rotate in the opposite direction, the threaded rod 5 drives the first transmission wheel 12 to rotate in the opposite direction, the first transmission wheel 12 drives the rotating rod 23 to rotate in the opposite direction through the transmission belt 13, the rotating rod 23 drives the sliding rod 19 to rotate in the opposite direction through the steering box 22, and the sliding rod 19 moves the cutting table 3 to the lower side of the laser cutting machine 8.

[0042] In addition, by installing the driving plate 7 on the sliding block 6, the laser cutting machine 8 and the workpiece to be cut can be adjusted to the appropriate cutting position, and by cooperating between the driving assembly and the transmission assembly, the integrated process of feeding, cutting, resetting and discharging can be realized, and with the aid of the plc control system, the automatic laser cutting can be realized.

Claims

1. A three-dimensional laser precision cutting machine, comprising a workbench (1), a laser cutting machine (8) is arranged at the upper end of the workbench (1), characterized in that: The workbench (1) is fixedly connected with a workboard (2), and a cutting table (3) capable of reciprocating on the workboard (2) is slidably connected to the central axis of the workboard (2); the cutting table (3) is provided with a conveying assembly capable of reciprocating the cutting table (3). The laser cutting machine (8) is provided with a driving assembly capable of driving the movement and cutting of the laser cutting machine (8); the driving assembly can drive the conveying assembly to convey the workpiece on the cutting table (3) to the laser cutting machine (8) for cutting.

2. The three-dimensional laser precision cutting machine according to claim 1, characterized in that: The driving assembly comprises a driving motor (4) fixedly connected to the workbench (1), and an incomplete gear (10) fixedly connected to the output end of the driving motor (4); the incomplete gear (10) is engaged with two driven gears (11) symmetrically arranged thereon, and a threaded rod (5) is fixedly connected to the rotating shaft of each driven gear (11) through a differential mechanism; the threads of the two threaded rods (5) are opposite, and the two threaded rods (5) are respectively connected with two threaded blocks (20); the threaded blocks (20) are fixedly connected with a sliding block (6), and the threaded blocks (20) are each connected with a clamping tooth (21) for locking or loosening the threaded rod (5); the sliding block (6) is slidably connected with a driving plate (7) capable of moving in the vertical direction thereof, and the driving plate (7) is fixedly connected with the laser cutting machine (8). The driving plate (7) is fixedly connected with a driving cylinder (9) for adjusting the height of the laser cutting machine (8), and the output end of the driving cylinder (9) is fixedly connected to the upper end of the driving plate (7); the driving cylinder (9) is slidably connected to the upper end of the workbench (1).

3. The three-dimensional laser precision cutting machine according to claim 2, characterized in that: The conveying assembly comprises a first transmission wheel (12) fixedly connected to the threaded rod (5) at the lower end, and the transmission wheel (12) is drivingly connected with a second transmission wheel (15) through a conveying belt (13). The rotating shaft of one of the second transmission wheels (15) is fixedly connected with a rotating rod (23), and the end of the rotating rod (23) is connected with a steering box (22), and the steering box (22) is fixedly connected with the workbench (1). The lower surface of the cutting table (3) is slidably connected with a sliding rod (19); one end of the sliding rod (19) is fixedly connected with the workbench (1) through a connecting block, and the other end is connected with the steering box (22).

4. The three-dimensional laser precision cutting machine according to claim 1, characterized in that: The workboard (2) is provided with a slot for the movement of the conveying belt (13).

5. The three-dimensional laser precision cutting machine according to claim 1, wherein: The workbench (1) can be provided with a protective cover for cutting protection.

6. The three-dimensional laser precision cutting machine according to claim 3, characterized in that: The rotating shaft of the second transmission wheel (15) is fixedly connected with a winding wheel (16), one end of the winding wheel (16) is wound with a traction rope (18), and the other end of the traction rope (18) is fixedly connected to the cutting table (3). The lower end of the workbench (1) is fixedly connected with two fixed blocks (14) symmetrically arranged thereon, and a reset spring (17) for resetting the cutting table (3) is fixedly connected between the cutting table (3) and the fixed blocks (14); the fixed blocks (14) are provided with holes for the traction rope (18) to pass through.

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