Workpiece clamping device for machining of laser engraving machine

Abstract

The utility model relates to a workpiece clamping device for laser engraving machine processing, which comprises a base, a workbench is arranged in the center above the base, moving plates are arranged on two sides above the workbench, a first motor is arranged above the moving plates, the output end of the first motor is connected with a screw rod, the outside of the screw rod is connected with a first threaded block, and the first threaded block is connected with a second threaded block. One end of the first threaded block is fixedly connected with an air bellow, a positioning plate is connected to one side of the air bellow, an air cylinder is arranged in the center above the positioning plate, and the output end of the air cylinder is fixedly connected with a pressing plate. According to the laser engraving device, the air bellow is arranged, and the air filter element, the activated carbon filter element and the induced draft fan are arranged in the air bellow, so that smoke generated during laser engraving can be adsorbed and filtered, and the smoke generated during laser engraving is prevented from drifting in a working area to influence the working environment and the body health of workers; the fluted disc can drive the workbench to rotate by an angle when rotating, so that the machining angle of the workpiece can be adjusted, and the angle of the workpiece can be adjusted conveniently.

Description

Technical Field

[0001] The utility model relates to a workpiece clamping device for laser engraving machine processing, belonging to the technical field of laser engraving machines. Background Art

[0002] Laser engraving machine is an advanced equipment that uses laser to engrave the materials to be engraved. Laser engraving machine can improve the efficiency of engraving, make the surface of the engraved part smooth and round, quickly reduce the temperature of the engraved non-metallic material, and reduce the deformation and internal stress of the engraved object; according to the different laser light sources, it can be divided into CO2 non-metallic laser engraving machine and optical fiber metal engraving machine.

[0003] For example, CN220560695U discloses a workpiece clamping device for laser engraving machine processing, which is provided with an adjustment component, and can adjust the distance between the two moving blocks, and then can adjust the distance between the two clamping seats, and then can adjust the two clamping seats to a suitable position according to the width of the workpiece, and then can clamp workpieces of different sizes, thereby improving the efficiency of workpiece processing and the practicality of the device. Although the device can clamp the workpiece, a certain amount of smoke will be generated during the cutting process of the laser cutting machine, and the generated smoke will drift in the working area, thereby affecting the working environment of the working area and the health of the operator. At the same time, when clamping irregular workpieces, it is not easy to find the correct installation angle of the workpiece, and it needs to be disassembled and installed multiple times during adjustment, which is inconvenient to use. Utility Model Content

[0004] The purpose of the utility model is to provide a workpiece clamping device for laser engraving machine processing. By setting a bellows, an air filter element, an activated carbon filter element and an induced draft fan are arranged inside the bellows. The induced draft fan can generate negative pressure inside the bellows, so that the smoke generated during laser engraving can be adsorbed and filtered, and the smoke generated during laser engraving is prevented from floating in the working area and affecting the working environment and the health of the staff. By setting a connecting shaft and a gear disc under the workbench, the gear disc can drive the workbench to rotate when it rotates, so that the processing angle of the workpiece can be adjusted, and the angle adjustment of the workpiece is convenient to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A workpiece clamping device for laser engraving machine processing comprises a base, a workbench is provided at the center above the base, movable plates are provided on both sides above the workbench, a first motor is provided above the movable plate, a screw is connected to the output end of the first motor, a threaded block 1 is externally connected to the screw, one end of the threaded block 1 is fixedly connected to a bellows, a positioning plate is connected to one side of the bellows, a cylinder is provided at the center above the positioning plate, the output end of the cylinder is fixedly connected to a pressure plate, a cutting pad is provided below the pressure plate, a threaded block 2 is fixedly connected to the bottom of the movable plate, a bidirectional reverse thread screw is internally connected to the threaded block 2, one end of the bidirectional reverse thread screw extends to the outside of the workbench and is connected to a second motor.

[0007] Furthermore, a connecting shaft is provided at the center below the workbench, the bottom of the connecting shaft extends into the interior of the base and is connected to a gear disk, one end of the gear disk is meshed with a gear, the bottom of the gear is connected to a second motor, and the connecting shaft is rotatably connected inside the base.

[0008] Furthermore, a sliding groove for accommodating the threaded block 1 to pass through is provided inside the movable plate, and the threaded block 1 is slidably connected inside the movable plate.

[0009] Furthermore, an air inlet is provided on one side of the bellows, and three air inlets are provided on the bellows and are respectively arranged above and on both sides of the bellows.

[0010] Furthermore, an air filter is provided on one side of the air inlet inside the bellows, an activated carbon filter is provided on the adjacent side of the air filter, an induced draft fan is provided on one side of the activated carbon filter, and air outlets are provided on the top and on both sides of the bellows.

[0011] Furthermore, positioning rods are provided on both sides above the pressure plate, and the positioning rods penetrate the interior of the positioning plate and are slidably connected inside the positioning plate.

[0012] Furthermore, sliders are provided on both sides below the movable plate, and the sliders are embedded in the workbench. A sliding groove for accommodating the second threaded block and the sliders is provided above the workbench, and the second threaded block and the sliders are slidably connected inside the workbench.

[0013] The beneficial effects of the utility model are:

[0014] 1. By setting up a bellows, an air filter, an activated carbon filter and an induced draft fan are arranged inside the bellows. The induced draft fan can generate negative pressure inside the bellows, so that the smoke generated by the laser engraving machine during engraving can be sucked into the bellows from each air inlet. The bellows are equipped with an air filter and an activated carbon filter, so that the smoke generated during laser engraving can be adsorbed and filtered, and finally the filtered air is discharged from the air outlet to prevent the smoke generated during laser engraving from floating in the working area and affecting the working environment and the health of the staff.

[0015] 2. By setting a connecting shaft and a toothed disc under the workbench, the toothed disc can rotate under the drive of the third motor and the gear. When the toothed disc rotates, the workbench can be driven to rotate at an angle, thereby adjusting the processing angle of the workpiece, which is convenient for adjusting the angle of the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the specific embodiments of the present invention and do not constitute a limitation to the present invention.

[0017] Figure 1 This is a front view of a workpiece clamping device for laser engraving machine processing according to the utility model;

[0018] Figure 2 This is a cross-sectional view of a workpiece clamping device for laser engraving machine processing according to the utility model;

[0019] Figure 3 This is a cross-sectional view of a bellows of a workpiece clamping device for laser engraving machine processing of the utility model;

[0020] Figure 4 The utility model is a workpiece clamping device for laser engraving machine processing Figure 1 A partial enlarged view of the area at center A;

[0021] Numbers in the figure: 1. base; 2. workbench; 3. moving plate; 4. first motor; 5. screw; 6. threaded block one; 7. bellows; 8. positioning plate; 9. cylinder; 10. pressure plate; 11. cutting pad; 12. threaded block two; 13. two-way reverse thread screw; 14. second motor; 15. connecting shaft; 16. toothed disc; 17. gear; 18. third motor; 19. air inlet; 20. air filter element; 21. activated carbon filter element; 22. induced draft fan; 23. air outlet; 24. positioning rod; 25. slider. DETAILED DESCRIPTION

[0022] 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.

[0023] Example 1: Please refer to Figure 1-Figure 4 , the utility model provides a technical solution:

[0024] A workpiece clamping device for laser engraving machine processing, including a base 1, a workbench 2 is provided at the center above the base 1, movable plates 3 are provided on both sides above the workbench 2, a first motor 4 is provided above the movable plate 3, a screw rod 5 is connected to the output end of the first motor 4, a threaded block 6 is externally connected to the screw rod 5, one end of the threaded block 6 is fixedly connected to a bellows 7, a positioning plate 8 is connected to one side of the bellows 7, a cylinder 9 is provided at the center above the positioning plate 8, the output end of the cylinder 9 is fixedly connected to a pressure plate 10, a cutting pad 11 is provided below the pressure plate 10, a threaded block 2 12 is fixedly connected to the bottom of the movable plate 3, a bidirectional reverse thread screw 13 is internally connected to the threaded block 2 12, one end of the bidirectional reverse thread screw 5 extends to the outside of the workbench 2 and is connected to a second motor 14.

[0025] Specifically, a connecting shaft 15 is provided at the center below the workbench 2, the bottom of the connecting shaft 15 extends to the inside of the base 1 and is connected to a toothed disc 16, one end of the toothed disc 16 is meshed with a gear 17, and the bottom of the gear 17 is connected to a third motor 18. The connecting shaft 15 is rotatably connected inside the base 1, and the toothed disc 16 can drive the connecting shaft 15 and the workbench 2 to rotate, thereby driving the workbench 2 to rotate and adjust the angle of the workpiece.

[0026] Specifically, a sliding groove for accommodating the threaded block 6 is provided inside the movable plate 3, and the threaded block 6 is slidably connected inside the movable plate 3. An air inlet 19 is provided on one side of the bellows 7. Three air inlets 19 are provided on the bellows 7 and are respectively provided above and on both sides of the bellows 7. An air filter element 20 is provided on one side of the air inlet 19 and located inside the bellows 7. An activated carbon filter element 21 is provided on the adjacent side of the air filter element 20. An induced draft fan 22 is provided on one side of the activated carbon filter element 21. Air outlets 23 are provided above and on both sides of the bellows 7. The induced draft fan 22 can generate negative pressure inside the bellows 7. The air filter element 20 and the activated carbon filter element 21 can absorb and filter the smoke generated during laser engraving and then discharge it, so as to prevent the smoke generated during laser engraving from floating in the working area and affecting the working environment and the health of the staff.

[0027] Specifically, positioning rods 24 are provided on both sides above the pressure plate 10. The positioning rods 24 penetrate the interior of the positioning plate 8 and are slidably connected inside the positioning plate 8. The positioning rods 24 can move in the positioning plate 8 to improve the stability of the pressure plate 10 when it moves downward.

[0028] Example 2: Please refer to Figure 2The difference between this embodiment and embodiment 1 is that: sliders 25 are provided on both sides below the movable plate 3, and the sliders 25 are embedded in the workbench 2. A sliding groove for accommodating the threaded block 12 and the sliders 25 is provided above the workbench 2. The threaded block 12 and the sliders 25 are slidably connected inside the workbench 2. When the threaded block 12 moves, the movable plates 3 on both sides can be driven to move relative to each other, which is convenient for clamping and fixing workpieces of different sizes.

[0029] Working principle of the utility model: when in use, first place the workpiece on the cutting pad 11, then start the second motor 14, when the second motor 14 is running, it drives the two-way counter-thread screw 13 to rotate, when the two-way counter-thread screw 13 rotates, it can drive the threaded blocks 12 on both sides and the movable plate 3 to move relative to each other, when both sides of the workpiece are under the pressing plate 10, start the cylinder 9, the cylinder 9 drives the pressing plate 10 to move downward and press on the workpiece, then start the third motor 18 according to the angle of the workpiece, the third motor 18 drives the gear 17 and the toothed disc 16 to rotate, when the toothed disc 16 rotates, it can drive the connecting shaft 15 and the workbench 2 to rotate The first motor 4 is started, and the screw rod 5 is driven to rotate. When the screw rod 5 rotates, the threaded block 6 and the bellows 7 are driven to move up and down to adjust the processing height. When the laser engraving machine is running, the induced draft fan 22 is started. The induced draft fan 22 can generate negative pressure inside the bellows 7 when the laser engraving machine is engraving, so that the smoke generated by the laser engraving machine during engraving can be sucked into the bellows 7 from each air inlet 19. The bellows 7 is provided with an air filter element 20 and an activated carbon filter element 21, so that the smoke generated during laser engraving can be adsorbed and filtered, and finally the filtered air is discharged from the air outlet 23.

[0030] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0031] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A workpiece clamping device for laser engraving machine processing, comprising a base (1), characterized in that: A workbench (2) is provided at the center above the base (1), movable plates (3) are provided on both sides above the workbench (2), a first motor (4) is provided above the movable plate (3), a screw rod (5) is connected to the output end of the first motor (4), a threaded block (6) is externally connected to the screw rod (5), one end of the threaded block (6) is fixedly connected to a bellows (7), a positioning plate (8) is connected to one side of the bellows (7), a cylinder (9) is provided at the center above the positioning plate (8), an output end of the cylinder (9) is fixedly connected to a pressure plate (10), a cutting pad (11) is provided below the pressure plate (10), a threaded block (12) is fixedly connected to the bottom of the movable plate (3), a bidirectional reverse threaded screw (13) is internally connected to the threaded block (12), one end of the bidirectional reverse threaded screw (5) extends to the outside of the workbench (2) and is connected to a second motor (14).

2. A workpiece clamping device for laser engraving machine processing according to claim 1, characterized in that: A connecting shaft (15) is provided at the center below the workbench (2). The bottom of the connecting shaft (15) extends into the interior of the base (1) and is connected to a toothed disc (16). One end of the toothed disc (16) is meshed with a gear (17). The bottom of the gear (17) is connected to a third motor (18). The connecting shaft (15) is rotatably connected inside the base (1).

3. A workpiece clamping device for laser engraving machine processing according to claim 1, characterized in that: The movable plate (3) is provided with a sliding groove inside for accommodating the threaded block 1 (6) to pass through, and the threaded block 1 (6) is slidably connected inside the movable plate (3).

4. The workpiece clamping device for laser engraving machine processing according to claim 1, characterized in that: An air inlet (19) is provided on one side of the wind box (7), and three air inlets (19) are provided on the wind box (7) and are respectively arranged above and on both sides of the wind box (7).

5. A workpiece clamping device for laser engraving machine processing according to claim 4, characterized in that: An air filter element (20) is provided on one side of the air inlet (19) and is located inside the wind box (7); an activated carbon filter element (21) is provided on one side adjacent to the air filter element (20); an induced draft fan (22) is provided on one side of the activated carbon filter element (21); and air outlets (23) are provided on the top and on both sides of the wind box (7).

6. A workpiece clamping device for laser engraving machine processing according to claim 1, characterized in that: Positioning rods (24) are provided on both sides above the pressure plate (10), and the positioning rods (24) penetrate the interior of the positioning plate (8) and are slidably connected inside the positioning plate (8).

7. A workpiece clamping device for laser engraving machine processing according to claim 1, characterized in that: Slide blocks (25) are provided on both sides below the movable plate (3), and the slide blocks (25) are embedded in the workbench (2). A sliding groove for accommodating the second threaded block (12) and the slide blocks (25) passing through is provided above the workbench (2), and the second threaded block (12) and the slide blocks (25) are slidably connected inside the workbench (2).

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