Laser cutting workpiece positioning device

Abstract

The utility model relates to the technical field of laser cutting, in particular to a laser cutting workpiece positioning device which comprises a workbench, a laser cutting machine body is arranged on the workbench, two sliding plates are symmetrically and fixedly installed on the outer wall of the top of the workbench, and moving mechanisms are arranged on the outer walls of one sides of the two sliding plates. And the moving mechanism comprises two threaded plates, the two threaded plates are in threaded connection with the same threaded rod, the threaded rod is a bidirectional threaded rod, a motor is fixedly installed on the outer wall of the top of the workbench, and the output end of the motor is fixedly connected with one end of the threaded rod. According to the centering device, the defects in the prior art are overcome, the motor is controlled to be started under the matching action of the screw rod and the like, the output end of the motor can drive the screw rod to rotate, the screw rod rotates to drive the two threaded plates, the two sliding plates and the two first positioning plates to be close to each other, and then centering positioning of a workpiece can be completed; and manual operation is not needed, so that the working efficiency is improved.

Description

Technical Field

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

[0002] Laser cutting replaces traditional mechanical knives with invisible light beams. It has the characteristics of high precision, fast cutting, no restrictions on cutting patterns, automatic typesetting to save materials, smooth incisions, and low processing costs. It will gradually improve or replace traditional metal cutting equipment. The mechanical part of the laser cutter head has no contact with the workpiece and will not scratch the surface of the workpiece during operation. The laser cutting machine generally uses a positioning device to process the workpiece when it is working.

[0003] After searching, the Chinese patent authorization announcement number CN219443862U discloses a laser cutting workpiece positioning device, including a base, the upper end of the base is fixedly connected with two shells at an interval, and the middle parts of the two shells are fixedly connected with a fixing plate.

[0004] A laser cutting workpiece positioning device in the above patent has the following shortcomings: although the device can clamp and fix the workpiece by manually turning the two second knobs on both sides, long-term repeated manual operations lead to reduced labor efficiency, and it is difficult to ensure the centering of the workpiece by manually turning the two second knobs to complete the positioning and fixing, which makes the positioning accuracy of the laser cutting low. Utility Model Content

[0005] The purpose of the utility model is to solve or at least alleviate the problem in the prior art that although the device can clamp and fix the workpiece by manually rotating the two second knobs on both sides, the long-term repeated manual operation leads to reduced labor efficiency, and it is difficult to ensure the centering of the workpiece by manually rotating the two second knobs to complete the positioning and fixing, thereby resulting in low positioning accuracy of laser cutting.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a laser cutting workpiece positioning device, comprising a workbench, on which a laser cutting machine body is arranged, two sliding plates are symmetrically fixedly mounted on the top outer wall of the workbench, and one side outer wall of the two sliding plates is provided with a moving mechanism;

[0007] The moving mechanism includes two threaded plates, both of which are screwed with the same screw, and the screw is a bidirectional screw. A motor is fixedly installed on the top outer wall of the workbench, and the output end of the motor is fixedly connected to one end of the screw. A rectangular groove is opened on the outer wall of one side of the sliding plate, and a plurality of telescopic rods are fixedly installed on the inner wall of one side of the rectangular groove, and a plurality of telescopic springs are sleeved on the plurality of telescopic rods, and a first positioning plate is fixedly installed on one end of the plurality of telescopic rods.

[0008] Optionally, both side outer walls of the first positioning plate are provided with mounting grooves, and the second positioning plates are rotatably mounted in the two mounting grooves.

[0009] Optionally, connecting plates are fixedly installed on both side outer walls of the sliding plate, cylinders are fixedly installed on one side outer walls of the two connecting plates, sliding blocks are fixedly installed on the output ends of the two cylinders, and the two sliding blocks are slidably connected to the two second positioning plates.

[0010] Optionally, the first positioning plate and the second positioning plate are both provided with rubber pads.

[0011] Optionally, a fixing plate is fixedly mounted on the top outer wall of the workbench, and one end of the screw rod is rotatably mounted on one side outer wall of the fixing plate.

[0012] Optionally, two limit grooves are symmetrically provided on the top outer wall of the workbench, and limit blocks are slidably installed in the two limit grooves, and the two limit blocks are fixedly connected to the two sliding plates respectively.

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

[0014] (1) The utility model adopts the cooperation of a screw and the like, and by controlling the starting motor, the output end of the motor will drive the screw to rotate, and the rotation of the screw will drive the two threaded plates, the two sliding plates and the two first positioning plates to approach each other, thereby completing the centering and positioning of the workpiece, and no manual operation is required, thereby improving work efficiency.

[0015] (2) The utility model adopts the cooperation of cylinders, etc., by starting two cylinders, the output ends of the two cylinders will drive the two sliding blocks to move and push the two second positioning plates to rotate and approach each other, thereby fixing workpieces of different shapes. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the first positioning plate of the utility model;

[0018] Figure 3 This is a schematic diagram of the sliding plate structure of the utility model.

[0019] In the figure: 1. workbench; 2. laser cutting machine body; 3. sliding plate; 4. threaded plate; 5. screw; 6. motor; 7. fixed plate; 8. limit slot; 9. telescopic rod; 10. telescopic spring; 11. first positioning plate; 12. mounting slot; 13. second positioning plate; 14. connecting plate; 15. cylinder; 16. sliding block; 17. rectangular slot; 18. limit block. DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figure 1-3 A laser cutting workpiece positioning device includes a workbench 1, on which a laser cutting machine body 2 is arranged, two sliding plates 3 are symmetrically fixedly installed on the top outer wall of the workbench 1, and one side outer wall of the two sliding plates 3 is provided with a moving mechanism; by setting the moving mechanism, it can play a role in assisting movement.

[0022] The moving mechanism includes two threaded plates 4, both of which are screwed with the same screw rod 5, and the screw rod 5 is a bidirectional screw rod. By setting the screw rod 5, the two threaded plates 4 can be driven to move closer to or away from each other. A motor 6 is fixedly installed on the top outer wall of the workbench 1, and the output end of the motor 6 is fixedly connected to one end of the screw rod 5. A rectangular groove 17 is provided on the outer wall of one side of the sliding plate 3. By setting the rectangular groove 17, it can play an auxiliary installation role. A plurality of telescopic rods 9 are fixedly installed on the inner wall of one side of the rectangular groove 17, and a plurality of telescopic rods 9 are sleeved with a plurality of telescopic springs 10, and one end of the plurality of telescopic rods 9 is fixedly installed with the same first positioning plate 11. By controlling the start of the motor 6, the output end of the motor 6 will drive the screw rod 5 to rotate, and the rotation of the screw 5 will drive the two threaded plates 4, the two sliding plates 3 and the two first positioning plates 11 to move closer to each other, thereby completing the centering positioning of the workpiece, and no manual operation is required. The telescopic rod 9 and the telescopic spring 10 can be used to protect the workpiece during positioning.

[0023] For details, please refer to Figure 2The outer walls on both sides of the first positioning plate 11 are provided with mounting grooves 12, and the second positioning plates 13 are rotatably mounted in the two mounting grooves 12. By providing the mounting grooves 12, the second positioning plates 13 can be rotatably mounted therein, thereby playing a role of auxiliary installation.

[0024] For details, please refer to Figure 2 , connecting plates 14 are fixedly mounted on both sides of the outer wall of the sliding plate 3, and cylinders 15 are fixedly mounted on one side of the outer wall of the two connecting plates 14, and sliding blocks 16 are fixedly mounted on the output ends of the two cylinders 15, and the two sliding blocks 16 are slidably connected with the two second positioning plates 13. By starting the two cylinders 15, the output ends of the two cylinders 15 will drive the two sliding blocks 16 to move and push the two second positioning plates 13 to rotate and approach each other, so that workpieces of different shapes can be fixed.

[0025] For details, please refer to Figure 2 The first positioning plate 11 and the second positioning plate 13 are both sleeved with rubber pads. The rubber pads can play a protective role.

[0026] For details, please refer to Figure 1 A fixing plate 7 is fixedly mounted on the top outer wall of the workbench 1, and one end of the screw rod 5 is rotatably mounted on one side outer wall of the fixing plate 7. The fixing plate 7 can be provided to assist in installation.

[0027] For details, please refer to Figure 1-3 The top outer wall of the workbench 1 is symmetrically provided with two limit grooves 8, and the limit blocks 18 are slidably installed in the two limit grooves 8, and the two limit blocks 18 are respectively fixedly connected to the two sliding plates 3. By setting the limit grooves 8, the limit blocks 18 can be slidably installed therein, thereby playing the role of auxiliary limit.

[0028] Working principle: When in use, place the workpiece in the middle of the workbench 1, and then control the start motor 6, the output end of the motor 6 will drive the screw 5 to rotate, the rotation of the screw 5 will drive the two threaded plates 4, the two sliding plates 3 and the two first positioning plates 11 to approach each other, and then the centering positioning of the workpiece can be completed, and no manual operation is required. During positioning, the telescopic rod 9 and the telescopic spring 10 can be used to protect the workpiece;

[0029] The two cylinders 15 are started according to the shape of the workpiece, and the output ends of the two cylinders 15 will drive the two sliding blocks 16 to move and push the two second positioning plates 13 to rotate and approach each other, so that workpieces of different shapes can be fixed, and then the laser cutting machine body 2 is used to cut the workpiece.

[0030] The above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A laser cutting workpiece positioning device, comprising a workbench (1), on which a laser cutting machine body (2) is arranged, characterized in that: Two sliding plates (3) are symmetrically fixedly mounted on the top outer wall of the workbench (1), and one side outer wall of the two sliding plates (3) is provided with a moving mechanism; The moving mechanism comprises two threaded plates (4), both of which are screwed with a same screw rod (5), and the screw rod (5) is a bidirectional screw rod. A motor (6) is fixedly mounted on the top outer wall of the workbench (1), and the output end of the motor (6) is fixedly connected to one end of the screw rod (5). A rectangular groove (17) is provided on one side outer wall of the sliding plate (3), and a plurality of telescopic rods (9) are fixedly mounted on one side inner wall of the rectangular groove (17), and a plurality of telescopic springs (10) are sleeved on the plurality of telescopic rods (9), and a same first positioning plate (11) is fixedly mounted on one end of the plurality of telescopic rods (9).

2. A laser cutting workpiece positioning device according to claim 1, characterized in that: The outer walls on both sides of the first positioning plate (11) are provided with mounting grooves (12), and the second positioning plates (13) are rotatably mounted in the two mounting grooves (12).

3. The laser cutting workpiece positioning device according to claim 1, characterized in that: Connecting plates (14) are fixedly mounted on both side outer walls of the sliding plate (3), cylinders (15) are fixedly mounted on one side outer walls of the two connecting plates (14), sliding blocks (16) are fixedly mounted on output ends of the two cylinders (15), and the two sliding blocks (16) are slidably connected to the two second positioning plates (13).

4. The laser cutting workpiece positioning device according to claim 2, characterized in that: The first positioning plate (11) and the second positioning plate (13) are both sleeved with rubber pads.

5. The laser cutting workpiece positioning device according to claim 1, characterized in that: A fixing plate (7) is fixedly mounted on the top outer wall of the workbench (1), and one end of the screw rod (5) is rotatably mounted on one side outer wall of the fixing plate (7).

6. The laser cutting workpiece positioning device according to claim 1, characterized in that: Two limit grooves (8) are symmetrically provided on the top outer wall of the workbench (1), and limit blocks (18) are slidably installed in the two limit grooves (8), and the two limit blocks (18) are fixedly connected to the two sliding plates (3) respectively.

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