Positioning device of laser cutting machine

Abstract

The utility model discloses a laser cutting machine positioning device which comprises a bottom plate, supporting legs are installed at the four corners of the lower end of the bottom plate, a support and a supporting frame are installed at the upper end of the bottom plate, a positioning mechanism is installed in the support, a supporting mechanism is installed at the upper end of the bottom plate, and a laser cutting machine is installed on the supporting frame. The positioning mechanism is installed at the upper end of the support so that workpieces with different thicknesses can be conveniently clamped and fixed by the device, when the device is used, the distance between the two fixing plates is adjusted according to the width of the workpieces, the first motor is started, the first motor drives the two moving blocks on the second two-way screw rod to move oppositely or oppositely, and the two moving blocks are driven by the second two-way screw rod to move oppositely. The two ends of the workpiece can be pressed by the two fixing plates, then the electric push rod is opened, the workpiece is pressed by the two fixing plates, and the workpieces with different thicknesses can be conveniently clamped and positioned in the positioning mode.

Description

Technical Field

[0001] The utility model relates to the technical field of laser cutting machines, in particular to a positioning device for a laser cutting machine. Background Art

[0002] Laser cutting machine is a highly efficient metal material processing equipment, which uses laser beam to replace traditional mechanical knife for cutting. Its working principle is mainly to use the properties of laser to focus the laser to generate high power density energy to act on the workpiece, so that the workpiece reaches the melting point or boiling point, and then the high pressure gas coaxial with the beam blows away the molten or vaporized metal, thereby forming a slit to achieve the purpose of cutting. Laser cutting machine has the characteristics of high precision, fast cutting speed, not limited to cutting pattern, automatic typesetting to save materials, smooth incision, and low processing cost.

[0003] At present, when clamping and positioning the workpiece, due to the different thicknesses of the workpiece, the positioning device used by the existing laser cutting machine is not convenient for clamping and positioning the workpieces of different thicknesses. When the workpiece is thin, it is not convenient to position, which easily causes damage to the edge of the workpiece and is not conducive to the next step of processing of the workpiece. Therefore, we need to design a laser cutting machine positioning device to solve the problem that the device is not convenient for clamping and positioning workpieces of different thicknesses. Utility Model Content

[0004] The utility model aims to provide a positioning device for a laser cutting machine. A positioning mechanism is installed at the upper end of a bracket so that the device can conveniently clamp and fix workpieces of different thicknesses. When in use, the distance between the two fixed plates is adjusted according to the width of the workpiece. The first motor is turned on, and the first motor will drive the two moving blocks on the second bidirectional screw to move relative to or away from each other, so that the two fixed plates can press the two ends of the workpiece. Then the electric push rod is turned on to press the workpiece through the two fixed plates. This positioning method is convenient for clamping and positioning workpieces of different thicknesses, and when the workpiece is thin, it is also convenient for positioning, and it is not easy to cause damage to the edge of the workpiece, which is convenient for the next step of processing of the workpiece.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a positioning device for a laser cutting machine, comprising a base plate, legs are installed at the four corners of the lower end of the base plate, a bracket and a support frame are installed at the upper end of the base plate, a positioning mechanism is installed inside the bracket, a support mechanism is installed at the upper end of the base plate, and a laser cutting machine is installed on the support frame;

[0006] The positioning mechanism includes a first motor and a second bidirectional screw, the first motor is installed on the outside of the bracket, the second bidirectional screw is rotatably installed inside the bracket, one end of the second bidirectional screw passes through the bracket and is installed at the output end of the first motor, two moving blocks are threadedly installed on the second bidirectional screw, the lower ends of the two moving blocks are each installed with an electric push rod, and the lower ends of the two electric push rods are each installed with a fixing plate.

[0007] Preferably, the supporting mechanism includes a second motor and a first bidirectional screw, a groove is opened at the upper end of the base plate, the first bidirectional screw is rotatably installed inside the groove, the second motor is installed at one end of the base plate, one end of the first bidirectional screw passes through the groove and is installed at the output end of the second motor, two sliding plates are threadedly installed on the first bidirectional screw, and support plates are installed on the upper ends of the two sliding plates.

[0008] Preferably, a second slide groove is provided at the inner top of the bracket, and a second sliding block is installed at the upper end of each of the two moving blocks, and the second sliding block is slidably installed in the second slide groove.

[0009] Preferably, both ends of the bottom plate close to the groove are provided with first slide grooves, and both ends of the two support plates are provided with first sliders, which are slidably installed in the first slide grooves.

[0010] Preferably, a first partition is installed on the outside of the bracket, the first motor is installed on the first partition, a second partition is installed on one end of the bottom plate, and the second motor is installed on the second partition.

[0011] Preferably, bearings are sleeved on the outside of one end of each of the first bidirectional screw and the second bidirectional screw, and the outer ring outer wall of the bearing is respectively embedded in the bottom plate and the bracket.

[0012] Preferably, a first rubber pad is installed at the upper ends of the two fixing plates, and a second rubber pad is installed at the lower ends of the two fixing plates.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model mainly installs a positioning mechanism on the upper end of the bracket so that the device can conveniently clamp and fix workpieces of different thicknesses. When in use, the distance between the two fixing plates is adjusted according to the width of the workpiece, and the first motor is turned on. The first motor will drive the two moving blocks on the second bidirectional screw to move relative to or away from each other, so that the two fixing plates can press the two ends of the workpiece, and then the electric push rod is turned on to press the workpiece through the two fixing plates. This positioning method is convenient for clamping and positioning workpieces of different thicknesses, and when the workpiece is thin, it is also convenient for positioning, and it is not easy to cause damage to the edge of the workpiece, which is convenient for the next step of processing of the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of the positioning device of the laser cutting machine of the utility model;

[0016] Figure 2 This is a cross-sectional schematic diagram of the positioning device of the laser cutting machine of the utility model;

[0017] Figure 3 It is a schematic diagram of the positioning mechanism of the utility model.

[0018] In the figure: 1. support frame; 2. bottom plate; 3. support leg; 4. bracket; 5. laser cutting machine; 6. first motor; 7. first partition; 8. second motor; 9. second partition; 10. support plate; 11. first bidirectional screw; 12. sliding plate; 13. first slider; 14. first slide groove; 15. groove; 16. fixed plate; 17. electric push rod; 18. moving block; 19. second slider; 20. second slide groove; 21. second bidirectional screw. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0020] See also Figure 1-3 The utility model provides a technical solution: a laser cutting machine positioning device, comprising a bottom plate 2, legs 3 are installed at the four corners of the lower end of the bottom plate 2, a bracket 4 and a support frame 1 are installed at the upper end of the bottom plate 2, a positioning mechanism is installed inside the bracket 4, a support mechanism is installed at the upper end of the bottom plate 2, and a laser cutting machine 5 is installed on the support frame 1;

[0021] The positioning mechanism includes a first motor 6 and a second bidirectional screw 21. The first motor 6 is installed on the outside of the bracket 4, and the second bidirectional screw 21 is rotatably installed inside the bracket 4. One end of the second bidirectional screw 21 passes through the bracket 4 and is installed at the output end of the first motor 6. Two moving blocks 18 are threadedly installed on the second bidirectional screw 21. The lower ends of the two moving blocks 18 are both installed with electric push rods 17, and the lower ends of the two electric push rods 17 are both installed with fixed plates 16.

[0022] The supporting mechanism includes a second motor 8 and a first bidirectional screw 11. A groove 15 is opened at the upper end of the base plate 2. The first bidirectional screw 11 is rotatably installed inside the groove 15. The second motor 8 is installed at one end of the base plate 2. One end of the first bidirectional screw 11 passes through the groove 15 and is installed at the output end of the second motor 8. Two sliding plates 12 are threadedly installed on the first bidirectional screw 11. Support plates 10 are installed on the upper ends of the two sliding plates 12. The supporting mechanism is used to place the workpiece, and the supporting mechanism is convenient for adjusting the positions of the two support plates 10 according to the width of the workpiece, so as to facilitate the placement of the workpiece.

[0023] A second slide groove 20 is provided at the inner top of the bracket 4, and a second slider 19 is installed at the upper ends of the two moving blocks 18. The second slider 19 is slidably installed in the second slide groove 20. The cooperation between the second slide groove 20 and the second slider 19 is used to limit the moving block 18 to prevent the moving block 18 from rotating on the second bidirectional screw 21.

[0024] Both ends of the bottom plate 2 near the groove 15 are provided with first slide grooves 14, and both ends of the two support plates 10 are installed with first sliders 13, which are slidably installed in the first slide grooves 14. The cooperation between the first slide grooves 14 and the first sliders 13 facilitates smoother movement of the support plates 10.

[0025] A first partition plate 7 is installed on the outside of the bracket 4, and the first motor 6 is installed on the first partition plate 7. A second partition plate 9 is installed on one end of the bottom plate 2, and the second motor 8 is installed on the second partition plate 9. The first partition plate 7 and the second partition plate 9 facilitate the support of the first motor 6 and the second motor 8.

[0026] The first bidirectional screw 11 and the second bidirectional screw 21 are both sleeved with bearings on their outer ends, and the outer ring and outer wall of the bearings are respectively embedded in the base plate 2 and the bracket 4. The use of bearings can reduce friction and wear, and reduce damage and heat caused by friction to mechanical components.

[0027] A first rubber pad is installed at the upper end of the two fixing plates 16, and a second rubber pad is installed at the lower end of the two fixing plates 16. The first rubber pad and the second rubber pad are provided to protect the workpiece and prevent the workpiece from being damaged by clamping.

[0028] When in use, first adjust the position of the supporting mechanism according to the width of the workpiece, turn on the second motor 8, the second motor 8 will drive the first bidirectional screw 11 to rotate, and the second bidirectional screw 21 will rotate to drive the two sliding plates 12 to move relative to each other, and when moved to a suitable position, place the workpiece on the two supporting plates 10, and then turn on the first motor 6, the first motor 6 will rotate to drive the second bidirectional screw 21 to rotate, and the second bidirectional screw 21 will rotate to drive the two moving blocks 18 to move relative to each other, so that the two moving blocks 18 move to the two ends of the workpiece, and after the movement is completed, turn on the electric push rod 17, the electric push rod 17 will drive the fixed plate 16 to move downward, and the workpiece can be fixed by the fixed plate 16.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A positioning device for a laser cutting machine, comprising a base plate (2), characterized in that: Support legs (3) are installed at the four corners of the lower end of the base plate (2); a bracket (4) and a support frame (1) are installed at the upper end of the base plate (2); a positioning mechanism is installed inside the bracket (4); a support mechanism is installed at the upper end of the base plate (2); and a laser cutting machine (5) is installed on the support frame (1); The positioning mechanism comprises a first motor (6) and a second bidirectional screw (21), wherein the first motor (6) is mounted on the outside of the bracket (4), and the second bidirectional screw (21) is rotatably mounted on the inside of the bracket (4), one end of the second bidirectional screw (21) passes through the bracket (4) and is mounted on the output end of the first motor (6), and two moving blocks (18) are threadedly mounted on the second bidirectional screw (21), and electric push rods (17) are mounted on the lower ends of the two moving blocks (18), and fixing plates (16) are mounted on the lower ends of the two electric push rods (17).

2. A laser cutting machine positioning device according to claim 1, characterized in that: The support mechanism comprises a second motor (8) and a first bidirectional screw (11); a groove (15) is provided at the upper end of the base plate (2); the first bidirectional screw (11) is rotatably mounted inside the groove (15); the second motor (8) is mounted at one end of the base plate (2); one end of the first bidirectional screw (11) passes through the groove (15) and is mounted at the output end of the second motor (8); two sliding plates (12) are threadedly mounted on the first bidirectional screw (11); and support plates (10) are mounted on the upper ends of the two sliding plates (12).

3. A laser cutting machine positioning device according to claim 2, characterized in that: A second slide groove (20) is provided at the inner top of the bracket (4), and a second slider (19) is installed at the upper end of each of the two moving blocks (18), and the second slider (19) is slidably installed in the second slide groove (20).

4. A laser cutting machine positioning device according to claim 3, characterized in that: The two ends of the bottom plate (2) close to the groove (15) are both provided with a first slide groove (14), and the two ends of the two support plates (10) are both provided with a first slider (13), and the first slider (13) is slidably installed in the first slide groove (14).

5. A laser cutting machine positioning device according to claim 4, characterized in that: A first partition plate (7) is installed on the outside of the bracket (4), the first motor (6) is installed on the first partition plate (7), a second partition plate (9) is installed on one end of the bottom plate (2), and the second motor (8) is installed on the second partition plate (9).

6. A laser cutting machine positioning device according to claim 5, characterized in that: A bearing is sleeved on the outside of one end of each of the first bidirectional screw (11) and the second bidirectional screw (21), and the outer ring outer wall of the bearing is respectively embedded in the bottom plate (2) and the bracket (4).

7. A laser cutting machine positioning device according to claim 6, characterized in that: The upper ends of the two fixing plates (16) are both installed with a first rubber pad, and the lower ends of the two fixing plates (16) are both installed with a second rubber pad.

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