Numerical control wire cut electric discharge machine with front wire conveying cylinder

Abstract

The utility model relates to the technical field of wire cut electrical discharge machines, in particular to a numerical control wire cut electrical discharge machine with a front wire conveying barrel, which comprises a workbench, a mounting seat is arranged on one side of the front of the workbench, and a wire conveying barrel body and a pay-off roller are movably mounted at the top end and the bottom end of the interior of the mounting seat respectively. A large gear and a small gear are arranged outside the sides, in the same direction, of the wire conveying barrel body and the pay-off roller and penetrate through the installation base to be meshed, a first motor is fixedly installed outside the side, away from the large gear, of the installation base, and an output shaft of the first motor is fixedly connected with the wire conveying barrel body. When a guide wire is replaced, the second motor is started, the second motor controls the lead screw to rotate, the lead screw controls the lifting frame to descend until the lifting frame descends to the bottommost end, and compared with the mode that the wire conveying barrel body is arranged behind the rack, the device enables the wire conveying barrel body to be installed in a front-arranged mode, and therefore replacement is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of electric spark wire cutting machines, in particular to a digital controlled electric spark wire cutting machine with a wire conveying drum in front. Background Art

[0002] Wire EDM is a machine that uses the principle of electric spark discharge to cut metal. It uses a thin wire as an electrode, applies voltage between the electrode and the workpiece, and generates electric sparks to process the workpiece. This cutting method is suitable for various conductive materials, such as metal alloys, aluminum, copper, steel, etc.

[0003] The wire conveying drum of the existing EDM wire cutting machines on the market is usually arranged at the rear, which is inconvenient every time the guide wire is replaced. For this reason, we propose a CNC EDM wire cutting machine with a front wire conveying drum. Utility Model Content

[0004] The utility model aims to provide a numerically controlled electric spark wire cutting machine with a wire conveying drum in front, so as 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 CNC electric spark wire cutting machine with a wire conveying drum in front, comprising

[0007] A workbench, a mounting seat is provided on the front side of the workbench, a wire conveying drum body and a wire pay-off roller are movably mounted on the top and bottom ends of the mounting seat respectively, a large gear and a small gear are respectively arranged on the same side of the wire conveying drum body and the wire pay-off roller through the mounting seat, the large gear is meshed with the small gear, a first motor is fixedly mounted on the outside of the mounting seat away from the large gear, and the output shaft of the first motor is fixedly connected to the wire conveying drum body;

[0008] A frame is fixedly installed on one side of the middle of the workbench, a second motor is fixedly installed on the top of the frame, a screw is fixedly installed on the output shaft of the second motor, a lifting frame is movably installed outside the screw, and a platform is arranged on the other side of the lifting frame;

[0009] A tensioning mechanism is arranged in the middle of the platform, and the tensioning mechanism comprises a hanger, a first spring and a push rod. A rectangular groove is opened on one side of the workbench away from the mounting seat, and a waste box is movably installed inside the rectangular groove.

[0010] Preferably, first wire guide rollers are arranged on both sides of the top of the platform, a hanger is fixedly installed in the middle of the bottom end of the platform, a first spring is fixedly installed at the middle upper end of the hanger, the top end of the first spring is fixedly connected to the outer side below the top end of the top rod, the top end of the top rod is fixedly connected to a tensioning roller, and the bottom end of the top rod is movably connected to the hanger;

[0011] Preferably, the workbench is provided with a second wire guide roller in the middle of the top of the rectangular groove, the bottom end of the waste box is provided with a bottom groove, one end of the bottom groove is movably mounted with a filter plate through a rotating shaft, and both ends of the inner wall on the other side of the waste box are fixedly mounted with fixed blocks, the bottom ends of the two fixed blocks are provided with second springs, and the other ends of the two second springs are fixedly connected to the top ends of both sides of the filter plate;

[0012] Preferably, an optical axis is fixedly installed between the workbench and the two sides of the frame, and the two ends of the lifting frame are movably connected to the two optical axes;

[0013] Preferably, the bottom end of the rectangular groove is connected to a drain port, and the other end of the drain port passes through the workbench and is located outside the bottom end of the workbench;

[0014] Preferably, the first guide roller and the second guide roller at the top right side of the platform are on the same vertical line.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. In this CNC electric spark wire cutting machine with a wire conveying drum in front, when replacing the guide wire, the second motor is started, and the second motor controls the rotation of the lead screw, and the lead screw controls the lifting frame to descend until the lifting frame descends to the bottom. Compared with setting the wire conveying drum body at the rear of the frame, this device installs the wire conveying drum body in front, which is more convenient when replacing.

[0017] 2. In this CNC electric spark wire cutting machine with a wire conveying drum in front, the waste generated by the wire cutting workpiece will fall into the rectangular groove, and then be filtered and processed by the filter plate, and the waste water will be discharged from the drain port. The waste will accumulate on the upper end surface of the filter plate. After processing, the waste box will be taken out. At this time, the two compressed second springs will control the end of the filter plate to flip down, so that the waste can be quickly unloaded. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall main structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the tensioning mechanism structure of the utility model;

[0020] Figure 3 This is a schematic cross-sectional view of the waste box of the utility model;

[0021] Figure 4 For this utility model Figure 1 A magnified schematic diagram of center A.

[0022] In the figure: 1. workbench; 2. mounting seat; 3. wire conveying drum body; 4. pay-off roller; 5. large gear; 6. small gear; 7. first motor; 8. frame; 9. second motor; 10. lifting frame; 11. platform; 12. tensioning mechanism; 1201. hanger; 1202. first spring; 1203. push rod; 13. rectangular groove; 14. waste box; 15. first wire guide roller; 16. tensioning roller; 17. second wire guide roller; 18. bottom groove; 19. filter plate; 20. fixing block; 21. second spring; 22. optical axis; 23. drain outlet; 24. screw rod. DETAILED DESCRIPTION

[0023] 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.

[0024] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "several" is two or more, unless otherwise clearly and specifically defined.

[0025] like Figure 1-4 As shown, a technical solution provided by the utility model:

[0026] A wire conveying drum front CNC electric spark wire cutting machine comprises a workbench 1, a mounting seat 2 is arranged on the front side of the workbench 1, a wire conveying drum body 3 and a wire pay-off roller 4 are movably mounted on the top and bottom of the mounting seat 2, a large gear 5 and a small gear 6 are respectively arranged on the same side of the wire conveying drum body 3 and the wire pay-off roller 4 through the mounting seat 2, the large gear 5 is meshed with the small gear 6, a first motor 7 is fixedly mounted on the outside of the mounting seat 2 away from the large gear 5, and the output shaft of the first motor 7 is fixedly connected to the wire conveying drum body 3; a frame 8 is fixedly mounted on one side of the middle part of the workbench 1, a second motor 9 is fixedly mounted on the top of the frame 8, a screw rod 24 is fixedly mounted on the output shaft of the second motor 9, a lifting frame 10 is movably mounted on the outside of the screw rod 24, and a platform 11 is arranged on the other side of the lifting frame 10; an optical axis 22 is fixedly mounted between the workbench 1 and the two sides of the frame 8, and the two ends of the lifting frame 10 are movably connected to the two optical axes 22;

[0027] In this embodiment, when replacing the guide wire, the second motor 9 is started, the second motor 9 controls the screw rod 24 to rotate, and the screw rod 24 controls the lifting frame 10 to descend until the lifting frame 10 descends to the bottom. Compared with setting the wire conveying drum body 3 behind the frame 8, this device installs the wire conveying drum body 3 in front, which is more convenient when replacing.

[0028] like Figure 2 As shown, a tensioning mechanism 12 is provided in the middle of the platform 11, and the tensioning mechanism 12 includes a hanger 1201, a first spring 1202 and a push rod 1203. A rectangular groove 13 is provided on the side of the workbench 1 away from the mounting seat 2, and a waste box 14 is movably installed inside the rectangular groove 13; first wire guide rollers 15 are provided on both sides of the top of the platform 11, the hanger 1201 is fixedly installed in the middle of the bottom end of the platform 11, and the first spring 1202 is fixedly installed at the middle upper end of the hanger 1201. The top of the first spring 1202 is fixedly connected to the outer side below the top of the push rod 1203, and the top of the push rod 1203 is fixedly connected with a tensioning roller 16, and the bottom end of the push rod 1203 is movably connected to the hanger 1201; the first wire guide roller 15 and the second wire guide roller 17 at the top right side of the platform 11 are on the same vertical line;

[0029] In this embodiment, when the guide wire slides on the upper end of the tensioning roller 16, the push rod 1203 movably installed in the middle of the hanger 1201 through the first spring 1202 will lift the tensioning roller 16, so as to keep the tension of the guide wire stable during movement.

[0030] like Figure 3 As shown, the workbench 1 is provided with a second wire guide roller 17 at the middle of the top of the rectangular groove 13, the bottom end of the waste box 14 is provided with a bottom groove 18, one end of the bottom groove 18 is movably mounted with a filter plate 19 through a rotating shaft, and both ends of the inner wall on the other side of the waste box 14 are fixedly mounted with fixed blocks 20, the bottom ends of the two fixed blocks 20 are provided with second springs 21, and the other ends of the two second springs 21 are fixedly connected to the top ends of both sides of the filter plate 19; the bottom end of the rectangular groove 13 is connected with a drain port 23, and the other end of the drain port 23 passes through the workbench 1 and is located outside the bottom end of the workbench 1;

[0031] In this embodiment, the waste generated by the wire cutting workpiece will fall into the rectangular groove 13, and then be filtered and processed by the filter plate 19, and the waste water will be discharged from the drain port 23. The waste will accumulate on the upper end surface of the filter plate 19. After processing, the waste box 14 will be taken out. At this time, the two compressed second springs 21 will control the end of the filter plate 19 to flip down, so that the waste can be quickly unloaded.

[0032] Working principle: When working, start the first motor 7, the first motor 7 controls the wire conveying drum body 3 to rotate, the large gear 5 and the small gear 6 at the other end of the wire conveying drum body 3 drive and control the pay-off roller 4 to rotate in the opposite direction. When working, the guide wire passes from the pay-off roller 4 under the second guide wire roller 17, and then passes over the first guide wire roller 15 on the right side of the platform 11, and is lifted and tensioned by the tensioning roller 16 at the same time, and then passes under the first guide wire roller 15 on the left side of the platform 11, and is finally wound up by the wire conveying drum body 3; when replacing the guide wire, start the second motor 9, the second motor 9 controls the screw rod 24 to rotate, and the wire The rod 24 controls the lifting frame 10 to descend until the lifting frame 10 descends to the bottom. Compared with setting the wire conveying drum body 3 behind the frame 8, the present device installs the wire conveying drum body 3 in front, which is more convenient when replacing; the waste generated by the wire cutting workpiece will fall into the rectangular groove 13, and then be filtered and processed by the filter plate 19, and the waste water is discharged from the drain port 23. The waste is accumulated on the upper end surface of the filter plate 19. After processing, the waste box 14 is taken out. At this time, the two compressed second springs 21 will control the end of the filter plate 19 to flip down, so that the waste can be quickly unloaded.

[0033] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A CNC wire-cut electric discharge machine with a wire-carrying drum in front, characterized in that: include A workbench (1), wherein a mounting seat (2) is arranged on the front side of the workbench (1), a wire conveying drum body (3) and a wire pay-off roller (4) are movably mounted on the top and bottom ends of the mounting seat (2), a large gear (5) and a small gear (6) are respectively arranged on the same side of the wire conveying drum body (3) and the wire pay-off roller (4), the large gear (5) meshes with the small gear (6), and a first motor (7) is fixedly mounted on the outside of the mounting seat (2) away from the large gear (5), and the output shaft of the first motor (7) is fixedly connected to the wire conveying drum body (3); A frame (8) is fixedly mounted on one side of the middle of the workbench (1); a second motor (9) is fixedly mounted on the top of the frame (8); a screw rod (24) is fixedly mounted on the output shaft of the second motor (9); a lifting frame (10) is movably mounted outside the screw rod (24); and a platform (11) is arranged on the other side of the lifting frame (10); A tensioning mechanism (12) is provided in the middle of the platform (11), and the tensioning mechanism (12) includes a hanger (1201), a first spring (1202) and a push rod (1203). A rectangular groove (13) is provided on the side of the workbench (1) away from the mounting seat (2), and a waste box (14) is movably installed inside the rectangular groove (13).

2. The CNC wire-cut electric discharge machine with a wire-carrying drum in front according to claim 1, characterized in that: First wire guide rollers (15) are provided on both sides of the top of the platform (11); a hanger (1201) is fixedly installed in the middle of the bottom end of the platform (11); a first spring (1202) is fixedly installed at the middle upper end of the hanger (1201); the top end of the first spring (1202) is fixedly connected to the lower outer side of the top end of the top rod (1203); the top end of the top rod (1203) is fixedly connected to a tensioning roller (16); and the bottom end of the top rod (1203) is movably connected to the hanger (1201).

3. The CNC wire-cut electric discharge machine with a wire conveying drum in front according to claim 1, characterized in that: The workbench (1) is provided with a second wire guide roller (17) at the middle of the top end of the rectangular groove (13); the bottom end of the waste box (14) is provided with a bottom groove (18); one end of the bottom groove (18) is movably mounted with a filter plate (19) via a rotating shaft; both ends of the inner wall on the other side of the waste box (14) are fixedly mounted with fixed blocks (20); the bottom ends of the two fixed blocks (20) are provided with second springs (21); the other ends of the two second springs (21) are fixedly connected to the top ends of both sides of the filter plate (19).

4. The CNC wire-cut electric discharge machine with a wire-carrying drum in front according to claim 1 is characterized in that: An optical axis (22) is fixedly installed between the workbench (1) and the two sides of the frame (8), and the two ends of the lifting frame (10) are movably connected to the two optical axes (22).

5. The CNC wire-cut electric discharge machine with a wire-carrying drum in front according to claim 1, characterized in that: The bottom end of the rectangular groove (13) is connected to a drainage port (23), and the other end of the drainage port (23) passes through the workbench (1) and is located outside the bottom end of the workbench (1).

6. The CNC wire-cut electric discharge machine with a wire-carrying drum in front according to claim 1, characterized in that: The first wire guide roller (15) and the second wire guide roller (17) at the top right side of the platform (11) are located on the same vertical line.

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