Numerical control gantry machining center

Abstract

The utility model discloses a numerical control gantry machining center which comprises a base and fixing frames fixedly connected to the two sides of the top of the base, electric telescopic rods are fixedly connected to the top of the base and located in the fixing frames, a machining mechanism is arranged between the upper portions of the two electric telescopic rods, a groove is formed in the top of the base, and a clamping mechanism is arranged in the groove. The periphery of the inner surface of the groove is fixedly connected with connecting plates, and a conical plate is fixedly connected between the opposite sides of the multiple connecting plates. According to the numerical control gantry machining center, a workpiece is placed on the conical plate, the springs push the limiting blocks to move towards the middle through the sliding rods under the acting force of the springs, the multiple limiting blocks move towards the middle to clamp the periphery of the workpiece, and therefore the workpiece can be conveniently limited, the workpieces of different sizes can be well fixed, and the machining precision is improved. And the adaptive range of workpiece machining is widened.

Description

Technical Field

[0001] The utility model relates to the technical field of gantry processing, in particular to a numerically controlled gantry processing center. Background Art

[0002] A gantry machining center refers to a large-scale machining center in which the axis of the spindle Z axis is perpendicular to the worktable. The overall structure is a gantry structure frame composed of double columns and a top beam. There is also a crossbeam in the middle of the double columns. It is suitable for processing large workpieces and workpieces with complex shapes. Although the waste chips on the working panel are blown to the opening by the dust blower, the waste chips in the front and rear cannot be collected, which affects the cleanliness of the worktable. Patent documents have now been issued to improve this.

[0003] In Chinese patent CN219853486U, a CNC gantry machining center is disclosed, including a machining table, two columns are fixedly installed on both sides of the top of the machining table, and a reinforcing crossbeam is installed between the columns, a liftable cross frame is installed at the front end of the column, and a machining mechanism is provided on the cross frame, and a transverse movement mechanism for driving the machining mechanism to move transversely is also provided at the front end of the cross frame, and a workpiece table is installed on the top of the machining table; the workpiece table includes a baffle, the baffle is concave, and a concave drop groove is opened on the inner side of the baffle at the top of the machining table. The CNC gantry machining center is provided with a drop groove, a mounting table and a baffle. When in use, the wind blown down from the upper machining mechanism drives the workpiece on the mounting table to move around, and the guide plate on the mounting table will move forward to remove the waste chips and guide them to both sides. The waste chips on both sides and the rear are blocked by the baffle, and then fall into the machining table through the drop groove, achieving a comprehensive waste chip collection effect.

[0004] Although the above patent achieves a comprehensive waste chip collection effect by dropping the chips into the processing table through the drop chute, when the workpiece is fixed by the clamp, it can only limit the fixed workpiece, and cannot limit workpieces of different sizes, resulting in a low adaptability range for workpiece processing, and there are only two air ducts on the left and right, and the range of blowing air downward is low. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a CNC gantry machining center, which solves the problems that only fixed workpieces can be limited but workpieces of different sizes cannot be limited and that there are only two air ducts on the left and right, resulting in a low range of blowing air downwards.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a CNC gantry machining center, comprising a base and a fixed frame fixedly connected to both sides of the top of the base, the top of the base and the interior of the fixed frame are fixedly connected with an electric telescopic rod, a processing mechanism is arranged between the upper parts of the two electric telescopic rods, the top of the base is provided with a groove, the inner surface of the groove is fixedly connected with a connecting plate all around, a conical plate is fixedly connected between the opposite sides of several connecting plates, the top of the base is fixedly connected with a protective frame, the outer surface of the protective frame is slidably connected with sliding rods through openings all around, one end of the sliding rod is fixedly connected with a limiting block, the other end of the sliding rod is fixedly connected with a baffle, the outer surface of the sliding rod and the spring is sleeved between the baffle and the protective frame, a moving groove is provided at the front part of the inner cavity of the groove, and a collection frame is slidably connected between the moving groove and the interior of the groove.

[0007] Preferably, the processing mechanism includes two movable plates, the movable plates are fixedly connected to the telescopic end of the electric telescopic rod, a horizontal plate is fixedly connected between the opposite sides of the two movable plates, both sides of the bottom of the horizontal plate are fixedly connected to fixed plates, and a motor is fixedly connected to the bottom of the horizontal plate and on one side of the fixed plate.

[0008] Preferably, the output shaft of the motor is fixedly connected to a threaded rod via a coupling, one end of the threaded rod passes through the left fixed plate and is rotatably connected to one side of the right fixed plate via a bearing, and the outer surface of the threaded rod is threadedly connected to a threaded sleeve.

[0009] Preferably, a slide groove is provided at the bottom of the horizontal plate, the interior of the slide groove is slidably connected to the outer surface of the threaded sleeve through a slider, a processing plate is fixedly connected below the outer surface of the threaded sleeve, and a processing head is fixedly installed at the bottom of the processing plate.

[0010] Preferably, the outer surface of the processing head is fixedly connected to an annular pipe via a fixing block, and the bottom of the annular pipe is connected to a plurality of nozzles.

[0011] Preferably, one side of the top of the processing plate is fixedly connected with an air inlet pipe through an opening, and one end of the air inlet pipe is connected to the surface of the annular pipe.

[0012] Beneficial Effects

[0013] The utility model provides a CNC gantry machining center. Compared with the existing technology, it has the following advantages:

[0014] Beneficial effects:

[0015] (1) The utility model places the workpiece on a conical plate and, through the force of a spring, causes the spring to push the limit block toward the middle through a sliding rod, so that multiple limit blocks move toward the middle to clamp the workpiece on all sides, thereby conveniently limiting the workpiece and being able to well fix workpieces of different sizes, thereby improving the processing adaptability range of the workpiece.

[0016] (2) The utility model uses multiple nozzles on the annular pipe to blow air downward. The multiple nozzles blow air more widely to the workpiece, which can effectively blow away the waste chips on the workpiece. The waste chips automatically slide into the collection frame through the inclined surface of the conical plate for collection. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the external structure of the utility model;

[0018] Figure 2 It is a bottom view of the fixed frame, electric telescopic rod, processing mechanism, nozzle, annular pipeline and air intake pipe structure of the utility model;

[0019] Figure 3 The utility model is a schematic diagram of the internal structure of the base, groove, connecting plate, conical plate, protective frame, sliding rod and limit block.

[0020] In the figure: 1. base; 2. fixed frame; 3. electric telescopic rod; 4. processing mechanism; 5. groove; 6. connecting plate; 7. conical plate; 8. protective frame; 9. limit block; 10. baffle; 11. spring; 12. movable groove; 13. collecting frame; 14. nozzle; 15. annular pipe; 16. air inlet pipe; 17. sliding rod; 41. movable plate; 42. horizontal plate; 43. fixed plate; 44. motor; 45. threaded rod; 46. threaded sleeve; 47. slide groove; 48. processing plate; 49. processing head. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0022] See also Figure 1-3The utility model provides a technical solution: a CNC gantry machining center, comprising a base 1 and a fixed frame 2 fixedly connected to both sides of the top of the base 1, an electric telescopic rod 3 is fixedly connected to the top of the base 1 and located inside the fixed frame 2, the electric telescopic rod 3 is electrically connected to the external power supply and is controlled by a control switch, a processing mechanism 4 is arranged between the two electric telescopic rods 3, a groove 5 is provided on the top of the base 1, a connecting plate 6 is fixedly connected to the inner surface of the groove 5, a conical plate 7 is fixedly connected between the opposite sides of the connecting plates 6, a protective frame 8 is fixedly connected to the top of the base 1, a sliding rod 17 is slidably connected to the outer surface of the protective frame 8 through an opening, one end of the sliding rod 17 is fixedly connected to a limiting block 9, a soft pad is installed on one side of the limiting block 9, a baffle 10 is fixedly connected to the other end of the sliding rod 17, a spring 11 is sleeved on the outer surface of the sliding rod 17 and located between the baffle 10 and the protective frame 8, a moving groove 12 is provided at the front of the inner cavity of the groove 5, and a collecting frame 13 is slidably connected to the moving groove 12 and the inner part of the groove 5.

[0023] Furthermore, in order to process the workpiece, the processing mechanism 4 includes two movable plates 41, which are fixedly connected to the telescopic end of the electric telescopic rod 3, and a horizontal plate 42 is fixedly connected between the opposite sides of the two movable plates 41, and fixed plates 43 are fixedly connected to both sides of the bottom of the horizontal plate 42. A motor 44 is fixedly connected to the bottom of the horizontal plate 42 and on one side of the fixed plate 43. The motor 44 is a servo motor, which is electrically connected to an external power supply and controlled by a control switch. The output shaft of the motor 44 is fixedly connected to a threaded rod 45 through a coupling, one end of the threaded rod 45 passes through the left fixed plate 43 and is rotatably connected to one side of the right fixed plate 43 through a bearing, and a threaded sleeve 46 is threadedly connected to the outer surface of the threaded rod 45. A slide groove 47 is provided at the bottom of the horizontal plate 42, and the interior of the slide groove 47 is slidably connected to the outer surface of the threaded sleeve 46 through a slider, and a processing plate 48 is fixedly connected below the outer surface of the threaded sleeve 46, and a processing head 49 is fixedly installed at the bottom of the processing plate 48.

[0024] Furthermore, in order to facilitate blowing away the waste chips, the outer surface of the processing head 49 is fixedly connected to a ring-shaped pipe 15 through a fixed block, the bottom of the ring-shaped pipe 15 is connected to a plurality of nozzles 14, and one side of the top of the processing plate 48 is fixedly connected to an air intake pipe 16 through an opening, and one end of the air intake pipe 16 is connected to the surface of the ring-shaped pipe 15.

[0025] It should be noted that the air inlet pipe 16 is connected to an external air pump so that the external air pump can ventilate the annular pipe 15 .

[0026] When in use, the workpiece is placed on the conical plate 7, and the multiple sliding rods 17 drive the multiple limit blocks 9 to move toward the middle through the force of the multiple springs 11. The multiple limit blocks 9 will clamp and limit the workpiece on the conical plate 7. By controlling the two electric telescopic rods 3 to retract, the two electric telescopic rods 3 drive the cross plate 42 to move downward, so that the processing head 49 moves to the workpiece, and by controlling the motor 44 to drive the threaded rod 45 to rotate, the threaded rod 45 drives the threaded sleeve 46 to move, and the threaded sleeve 46 drives the processing head 49 to move to process the workpiece;

[0027] At the same time, the air inlet pipe 16 is ventilated through an external device, and the air inlet pipe 16 ventilates the annular pipe 15. The annular pipe 15 blows air to the workpiece below through multiple nozzles 14, blowing the flying chips on the workpiece out through the inclined surface of the conical plate 7 and causing the flying chips to fall into the collection frame 13 for collection.

Claims

1. A CNC gantry machining center, comprising a base (1) and a fixing frame (2) fixedly connected to both sides of the top of the base (1), characterized in that: An electric telescopic rod (3) is fixedly connected to the top of the base (1) and located inside the fixed frame (2); a processing mechanism (4) is arranged between the upper parts of the two electric telescopic rods (3); a groove (5) is provided on the top of the base (1); connecting plates (6) are fixedly connected to the four sides of the inner surface of the groove (5); a conical plate (7) is fixedly connected between the opposite sides of a plurality of connecting plates (6); a protective frame (8) is fixedly connected to the top of the base (1); and the outer surface of the protective frame (8) is provided with a protective frame (8). The surface is slidably connected to a sliding rod (17) through openings on all sides, one end of the sliding rod (17) is fixedly connected to a limiting block (9), the other end of the sliding rod (17) is fixedly connected to a baffle (10), a spring (11) is sleeved on the outer surface of the sliding rod (17) and located between the baffle (10) and the protective frame (8), a moving groove (12) is opened in the front part of the inner cavity of the groove (5), and a collecting frame (13) is slidably connected between the moving groove (12) and the inside of the groove (5).

2. A CNC gantry machining center according to claim 1, characterized in that: The processing mechanism (4) comprises two movable plates (41), wherein the movable plates (41) are fixedly connected to the telescopic ends of the electric telescopic rod (3), a transverse plate (42) is fixedly connected between opposite sides of the two movable plates (41), both sides of the bottom of the transverse plate (42) are fixedly connected to fixed plates (43), and a motor (44) is fixedly connected to the bottom of the transverse plate (42) and on one side of the fixed plate (43).

3. A CNC gantry machining center according to claim 2, characterized in that: The output shaft of the motor (44) is fixedly connected to a threaded rod (45) via a coupling, one end of the threaded rod (45) passes through the left fixed plate (43) and is rotatably connected to one side of the right fixed plate (43) via a bearing, and the outer surface of the threaded rod (45) is threadedly connected to a threaded sleeve (46).

4. A CNC gantry machining center according to claim 3, characterized in that: A slide groove (47) is provided at the bottom of the transverse plate (42), the interior of the slide groove (47) is slidably connected to the outer surface of the threaded sleeve (46) via a slider, a processing plate (48) is fixedly connected below the outer surface of the threaded sleeve (46), and a processing head (49) is fixedly installed at the bottom of the processing plate (48).

5. A CNC gantry machining center according to claim 4, characterized in that: The outer surface of the processing head (49) is fixedly connected to an annular pipe (15) via a fixing block, and the bottom of the annular pipe (15) is connected to a plurality of nozzles (14).

6. A CNC gantry machining center according to claim 5, characterized in that: An air intake pipe (16) is fixedly connected to one side of the top of the processing plate (48) through an opening, and one end of the air intake pipe (16) is in communication with the surface of the annular pipe (15).

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