Fixing device of numerical control machine tool

Abstract

The utility model relates to the technical field of machine tool fixing devices, and discloses a numerical control machine tool fixing device which comprises a numerical control machine tool body, a butt joint groove is formed in the top of the numerical control machine tool body in a penetrating mode, a fixing device body is arranged in the butt joint groove in a sleeved mode, and a fixing mechanism is fixedly arranged at the top of the fixing device body. A suction mechanism is fixedly arranged on the side face of the fixing device body. The movable plate is driven by the threaded rod to move on the movable groove, so that the suction cup is driven to press the surface of a workpiece, meanwhile, the telescopic air pipe is pumped by the air pump, vacuum is formed on the suction cup, the suction cup is tightly attached to the surface of the workpiece, firm adsorption force is effectively provided, and the plane workpiece can be adsorbed; and some special workpieces with irregular surfaces and peculiar shapes can be adsorbed, and the application range is wider.

Description

Technical Field

[0001] The utility model relates to the technical field of machine tool fixing devices, in particular to a fixing device for a numerically controlled machine tool. Background Art

[0002] CNC lathe is one of the most widely used CNC machine tools. It is mainly used for cutting inner and outer cylindrical surfaces of shaft parts or disk parts, inner and outer conical surfaces of arbitrary taper angles, complex rotating inner and outer curved surfaces, and cylindrical and conical threads. The workpiece is fixed using the workpiece fixing device of the CNC machine tool, and then grooving, drilling, reaming, reaming and boring are performed.

[0003] The patent document with the publication number: CN208483543U discloses a workpiece fixing device for CNC machine tools that is easy to move, including a clamping column, a first telescopic rod and a cross bar, characterized in that: the clamping column runs through the interior of the mounting plate, the upper surface of the mounting plate is connected to a vertical rod, the interior of the bottom plate is provided with holes, the first telescopic rod is located above the clamping block, a cross plate is provided above the first telescopic rod, a brush is fixed to the upper surface of the cross plate, and the upper surface of the brush is connected to the second telescopic rod, the cross bar is located above the left end of the cross plate, and a vertical plate runs through the interior of the cross bar, a fixed block is provided at the top of the vertical plate, and a clamping plate is installed at the top of the fixed block. This workpiece fixing device for CNC machine tools that is easy to move can fix the required processing parts, can control the distance between the required processing parts and the processing device, and is easy to move the position of the required processing parts, and can collect and process the chips after processing;

[0004] This application is for a workpiece fixing device for a CNC machine tool that can be easily moved, can fix the required processing parts, can control the distance between the required processing parts and the processing device, and can easily move the position of the required processing parts, and can collect and process the debris after processing. However, when clamping an irregular workpiece, due to the different shapes of the workpiece, simply clamping it with the left and right clamping plates will cause uneven contact between the clamping plates and the workpiece, resulting in a gap, which easily leads to loosening during the processing process. Therefore, a fixing device for a CNC machine tool is provided to improve the problem. Summary of the invention

[0005] In order to make up for the above shortcomings, the utility model provides a fixing device for a CNC machine tool, aiming to improve the problem that the comparison document is simply clamped by left and right clamping plates, and the contact between the clamping plates and the workpiece is uneven, resulting in a gap, which easily leads to loosening during the processing.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a fixing device for a CNC machine tool, comprising a CNC machine tool body, a docking groove is provided through the top of the CNC machine tool body, a fixing device body is sleeved in the docking groove, a fixing mechanism is fixedly provided on the top of the fixing device body, and a material suction mechanism is fixedly provided on the side of the fixing device body;

[0007] The number of the fixing mechanisms is four, and the fixing mechanisms include a movable groove and a threaded rod, a threaded rod is arranged inside the movable groove, a servo motor is fixedly arranged at one end of the threaded rod, the threaded rod is rotatably connected to the movable groove, a movable ring is sleeved on the outer side of the threaded rod, a movable plate is fixedly arranged on the top of the movable ring, a suction cup is fixedly arranged at one end of the movable plate, a telescopic air pipe is penetrated at the other end of the movable plate, an air pump is fixedly arranged at the bottom of the telescopic air pipe, and the air pump is fixedly connected to the fixing device body.

[0008] As a further description of the above technical solution:

[0009] The suction mechanism includes a collecting box and a connecting frame, the collecting box is fixedly provided with a connecting frame inside, a suction fan is fixedly provided on the top of the connecting frame, a telescopic cylinder is penetrated through the top of the collecting box, a suction hood is fixedly provided on the top of the telescopic cylinder, a plurality of suction holes are penetrated through one side of the suction hood, and a telescopic suction tube is fixedly provided inside the telescopic cylinder.

[0010] As a further description of the above technical solution:

[0011] The top of the telescopic suction pipe penetrates into the interior of the suction hood, and the bottom of the telescopic suction pipe penetrates the collection box and is fixedly connected to the suction end of the suction fan.

[0012] As a further description of the above technical solution:

[0013] The suction hood is a semicircular structure, the diameter of the suction hood is consistent with the main body of the fixing device, and a plurality of air outlet holes are provided through the top of the collection box.

[0014] As a further description of the above technical solution:

[0015] A docking ring is fixedly arranged at the bottom of the fixing device body, the docking ring is threadedly connected to the docking groove, and matching threads are arranged at the connection between the movable ring and the threaded rod.

[0016] As a further description of the above technical solution:

[0017] A controller is fixedly arranged on one side of the CNC machine tool body.

[0018] The utility model has the following beneficial effects:

[0019] 1. In the utility model, the threaded rod drives the movable plate to move on the movable groove, thereby driving the suction cup to press the surface of the workpiece, and at the same time, the air pump is used to evacuate the telescopic air pipe to form a vacuum on the suction cup, so that it is close to the surface of the workpiece, effectively providing a strong adsorption force, which can not only adsorb flat workpieces, but also some special irregular surfaces and peculiarly shaped workpieces, and has a wider range of applications.

[0020] 2. In the utility model, the suction hood is driven by the telescopic cylinder to adjust the height so that the suction hood and the clamped workpiece are located at the same horizontal line. At this time, when debris is generated during workpiece processing, the suction fan will absorb the debris into the telescopic suction tube through the suction hole, and finally discharge it into the collection box for unified collection. The suction hood and the workpiece are adsorbed at a close distance, which effectively avoids the situation where debris splashes during workpiece processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the connection between a data machine tool body and a fixing device body of a fixing device of a CNC machine tool proposed by the utility model;

[0022] Figure 2 This is a schematic diagram of the overall structure of a fixing device main body of a fixing device for a CNC machine tool proposed by the utility model;

[0023] Figure 3 This is a cross-sectional view of the internal structure of a fixing device main body of a fixing device for a CNC machine tool proposed by the utility model;

[0024] Figure 4 This is a cross-sectional view of the connection between a suction hood, a telescopic cylinder and a collection box of a fixing device for a CNC machine tool proposed by the utility model.

[0025] Legend:

[0026] 1. CNC machine tool body; 2. Docking groove; 3. Fixing device body; 4. Moving groove; 5. Threaded rod; 6. Servo motor; 7. Moving ring; 8. Moving plate; 9. Suction cup; 10. Telescopic air pipe; 11. Air pump; 12. Collection box; 13. Connecting frame; 14. Suction fan; 15. Telescopic cylinder; 16. Suction hood; 17. Suction hole; 18. Telescopic suction pipe; 19. Docking ring; 20. Controller. DETAILED DESCRIPTION

[0027] 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.

[0028] Reference Figure 1-4 , the utility model provides an embodiment: a fixing device of a CNC machine tool, comprising a CNC machine tool body 1, a docking groove 2 is provided on the top of the CNC machine tool body 1, a fixing device body 3 is sleeved in the docking groove 2, a fixing mechanism is fixedly provided on the top of the fixing device body 3, and a suction mechanism is fixedly provided on the side of the fixing device body 3; the number of the fixing mechanisms is four, the fixing mechanism comprises a moving groove 4 and a threaded rod 5, a threaded rod 5 is provided inside the moving groove 4, a servo motor 6 is fixedly provided at one end of the threaded rod 5, the threaded rod 5 is rotatably connected to the moving groove 4, a moving ring 7 is sleeved on the outer side of the threaded rod 5, a moving plate 8 is fixedly provided on the top of the moving ring 7, a suction cup 9 is fixedly provided at one end of the moving plate 8, a telescopic air pipe 10 is provided on the other end of the moving plate 8, an air pump 11 is fixedly provided at the bottom of the telescopic air pipe 10, and the air pump 11 is fixedly connected to the fixing device body 3;

[0029] The threaded rod 5 is driven to rotate by the servo motor 6, and the threaded rod 5 drives the moving ring 7 and the moving plate 8 to move in the moving groove 4. During the movement, multiple suction cups 9 are driven to abut against the surface of the workpiece respectively. When the suction cup 9 is pressed against the surface of the workpiece, the air pump 11 is turned on to evacuate air into the telescopic air pipe 10, and the telescopic air pipe 10 extracts the air between the suction cup 9 and the workpiece, so that a vacuum is formed on the suction cup 9, so that it is closely attached to the surface of the workpiece, effectively providing a strong adsorption force, which can not only adsorb flat workpieces, but also adsorb some special irregular surfaces and workpieces with peculiar shapes, and has a wider range of applications.

[0030] The suction mechanism includes a collecting box 12 and a connecting frame 13. The connecting frame 13 is fixedly arranged inside the collecting box 12. A suction fan 14 is fixedly arranged on the top of the connecting frame 13. A telescopic cylinder 15 is penetrated through the top of the collecting box 12. A suction hood 16 is fixedly arranged on the top of the telescopic cylinder 15. A plurality of suction holes 17 are penetrated on one side of the suction hood 16. A telescopic suction tube 18 is fixedly arranged inside the telescopic cylinder 15.

[0031] The debris generated by the workpiece processing will be sucked into the telescopic suction pipe 18 through the suction hole 17 by the suction fan 14, and finally discharged into the collection box 12 for unified collection. The suction cover 16 is driven by the telescopic cylinder 15 to adjust to the same horizontal line as the clamped workpiece, so that the suction cover 16 is in close contact with the processed side of the workpiece and continuously absorbs the fallen debris during the processing, effectively avoiding the situation where the debris is splashed during the workpiece processing.

[0032] The top of the telescopic suction tube 18 penetrates into the interior of the suction cover 16 , and the bottom of the telescopic suction tube 18 penetrates the collection box 12 and is fixedly connected to the suction end of the suction fan 14 .

[0033] The telescopic suction pipe 18 is placed inside the telescopic cylinder 15 , and while the telescopic cylinder 15 provides support for the suction hood 16 , the telescopic suction pipe 18 is synchronously telescoped to facilitate height adjustment.

[0034] The suction cover 16 is a semicircular structure, and the diameter of the suction cover 16 is consistent with the fixing device body 3. A plurality of air outlet holes are provided through the top of the collection box 12.

[0035] The suction hood 16 has a semicircular structure, so that the debris dropped from multiple angles during the reinforcement of the workpiece can be more fully absorbed, so that the debris absorption is more comprehensive.

[0036] A docking ring 19 is fixedly provided at the bottom of the fixing device body 3 , and the docking ring 19 is threadedly connected to the docking groove 2 . A matching thread is provided at the connection between the movable ring 7 and the threaded rod 5 .

[0037] By thread-rotating the docking ring 19 and the docking groove 2, the fixing device body 3 is fixed above the CNC machine tool body 1, which makes installation more convenient.

[0038] A controller 20 is fixedly disposed on one side of the CNC machine tool body 1 .

[0039] The suction fan 14, the air pump 11 and the servo motor 6 are electrically controlled respectively by the controller 20, and the controller 20 is a PLC controller.

[0040] Working principle: Before use, connect each electrical device to the power supply to ensure the normal use of the fixing device body 3, and then rotate the docking ring 19 and the docking groove 2 to connect the threaded connection, so that the fixing device body 3 is fixed on the top of the CNC machine tool body 1; when fixing the workpiece, place the workpiece on the fixing device body 3, turn on the servo motor 6 to drive the threaded rod 5 to rotate, and the threaded rod 5 drives the moving ring 7 and the moving plate 8 to move synchronously in the moving groove 4, and during the movement, the suction cup 9 is driven to abut against the surface of the workpiece until the suction cup 9 is pressed tightly against the surface of the workpiece. At this time, turn on the air pump 11 to evacuate air into the telescopic air pipe 10, so that the telescopic air pipe 10 extracts the air between the suction cup 9 and the workpiece, so that a vacuum is formed on the suction cup 9, so that it is close to the surface of the workpiece. , effectively providing a strong adsorption force, which can not only adsorb flat workpieces, but also adsorb some special irregular surfaces and workpieces with peculiar shapes, and has a wider range of applications; during processing, first pull the telescopic cylinder 15 to drive the telescopic suction pipe 18 to extend and retract synchronously, so that the telescopic cylinder 15 drives the suction hood 16 to adjust to the same horizontal line as the clamped workpiece, and then turn on the suction fan 14. Under the suction force of the suction fan 14, the debris generated by the workpiece processing will be adsorbed into the telescopic suction pipe 18 through the suction hole 17, and finally discharged into the collection box 12 for unified collection. The suction hood 16 is in close contact with the processed side of the workpiece, and continuously adsorbs the fallen debris during the processing, effectively avoiding the situation where debris splashes during the workpiece processing.

[0041] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A fixing device for a CNC machine tool, comprising a CNC machine tool body (1), characterized in that: A docking groove (2) is provided through the top of the CNC machine tool body (1), a fixing device body (3) is sleeved in the docking groove (2), a fixing mechanism is fixedly provided on the top of the fixing device body (3), and a material suction mechanism is fixedly provided on the side of the fixing device body (3); The number of the fixing mechanisms is four, and the fixing mechanisms comprise a movable groove (4) and a threaded rod (5). The movable groove (4) is provided with a threaded rod (5), one end of the threaded rod (5) is fixedly provided with a servo motor (6), the threaded rod (5) is rotatably connected to the movable groove (4), a movable ring (7) is sleeved on the outer side of the threaded rod (5), a movable plate (8) is fixedly provided on the top of the movable ring (7), one end of the movable plate (8) is fixedly provided with a suction cup (9), the other end of the movable plate (8) is penetrated by a telescopic air pipe (10), the bottom of the telescopic air pipe (10) is fixedly provided with an air pump (11), and the air pump (11) is fixedly connected to the fixing device body (3).

2. A fixing device for a CNC machine tool according to claim 1, characterized in that: The material suction mechanism comprises a collection box (12) and a connecting frame (13); the connecting frame (13) is fixedly arranged inside the collection box (12); a suction fan (14) is fixedly arranged on the top of the connecting frame (13); a telescopic cylinder (15) is penetrated through the top of the collection box (12); a material suction cover (16) is fixedly arranged on the top of the telescopic cylinder (15); a plurality of material suction holes (17) are penetrated on one side of the material suction cover (16); and a telescopic suction tube (18) is fixedly arranged inside the telescopic cylinder (15).

3. A fixing device for a CNC machine tool according to claim 2, characterized in that: The top of the telescopic suction pipe (18) penetrates into the interior of the suction cover (16), and the bottom of the telescopic suction pipe (18) penetrates the collection box (12) and is fixedly connected to the suction end of the suction fan (14).

4. A fixing device for a CNC machine tool according to claim 3, characterized in that: The suction hood (16) is a semicircular structure, the diameter of the suction hood (16) is consistent with the fixing device body (3), and a plurality of air outlet holes are provided through the top of the collection box (12).

5. A fixing device for a CNC machine tool according to claim 4, characterized in that: A docking ring (19) is fixedly provided at the bottom of the fixing device body (3), the docking ring (19) is threadedly connected to the docking groove (2), and matching threads are provided at the connection between the movable ring (7) and the threaded rod (5).

6. A fixing device for a CNC machine tool according to claim 5, characterized in that: A controller (20) is fixedly arranged on one side of the CNC machine tool body (1).

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