CN106583810B - Improved gantry type milling equipment - Google Patents

Abstract

The invention relates to the technical field of gantry machine tools, in particular to an improved gantry milling device, wherein a frame is provided with a first slide rail for a workbench to slide along the Y-axis direction, the frame is also provided with a first upright post and a second upright post which are respectively arranged at two sides of the frame, a cross beam is fixedly connected with the first upright post and the second upright post, the cross beam is provided with a second slide rail for an installation seat to slide along the X-axis direction, the installation seat is provided with a third slide rail and a main shaft, the main shaft is connected with the third slide rail in a sliding way, the head part of the main shaft is provided with a chip suction device, the second upright post is provided with a tool magazine, the main shaft utilizes the tool magazine to automatically change tools, dust milled in the machining process can be trapped by a space formed by a dustproof fixed cover and a dustproof movable cover and can not be freely leaked, the workload of operators is simplified, and great convenience is provided for modern automatic production, has strong creativity and practicability.

Description

An Improved Gantry Milling Equipment

technical field

The invention relates to the technical field of gantry machine tools, in particular to an improved gantry milling equipment.

Background technique

The milling machine system mainly refers to the machine tool that uses the milling cutter to process various surfaces on the workpiece. Usually the rotation of the milling cutter is the main movement, and the movement of the milling cutter of the workpiece is the feed movement. It can process planes, grooves, and various curved surfaces. , gears, etc., a milling machine is a machine tool that uses a milling cutter to mill a workpiece. In addition to milling planes, grooves, gear teeth, threads and spline shafts, a milling machine can also process more complex profiles, and its efficiency is higher than that of a planer. It is widely used in machinery manufacturing and repair departments.

Gantry milling machine, referred to as gantry milling machine, is a milling machine with a portal frame and a horizontal long bed. The gantry milling machine can use multiple milling cutters to process the surface at the same time. The machining accuracy and production efficiency are relatively high. It is suitable for batch and mass production. CNC gantry milling machine can also process space curved surfaces and some special parts. The gantry milling machine is composed of a portal frame consisting of columns and top beams, and there is a beam in the middle. The beam can move up and down along the guide rails of the two columns. , can move laterally along the beam guide rail, and a milling head with a horizontal spindle can be installed on the two columns, which can move up and down along the column guide rail. These milling heads can process several surfaces at the same time. Each milling head has The power of a single motor can reach up to 150 kilowatts, the speed change mechanism, the control mechanism and the main shaft components. This is the current traditional gantry milling machine and also the gantry milling machine used by most domestic factories. Although there is a simple numerical control system, most of them are not automatic. The tool change and dust-proof and chip-proof mechanism will greatly increase the workload of the operator, and the workshop environment is harsh, which is not conducive to the development of modern and automated production.

Contents of the invention

The technical problem to be solved by the present invention is to provide an improved gantry milling equipment, which has the advantages of an automatic tool changing mechanism and a chip suction device.

In order to solve the above-mentioned technical problems, the present invention adopts the following technical solution: an improved gantry-type equipment, including a frame, a workbench, a beam and a mounting base, and is characterized in that: the frame is equipped with a The frame is also equipped with a first column and a second column, and the first column and the second column are respectively installed on both sides of the frame, and the crossbeam is fixedly connected to the first column and the second column. Two columns, the crossbeam is equipped with a second slide rail for the mounting base to slide along the X-axis direction, the mounting base is equipped with a third slide rail and a main shaft, the main shaft is slidably connected to the third slide rail, and the head of the main shaft A chip suction device is installed, and a tool magazine is installed on the second column.

Preferably, the chip suction device includes an arc jacket, a dust-proof movable cover and a dust-proof fixed cover, the arc jacket is fixedly fitted on the main shaft, and the dust-proof fixed cover is provided with a first arc surface to prevent The dust movable cover is provided with a second arc surface, the first arc surface is fixedly connected to the arc jacket, the dustproof fixed cover is provided with a through hole and a guide column, and the through hole is equipped with a dust suction pipe , the dust-proof movable cover is provided with a first guide hole and a second guide hole fitted on the guide column.

Preferably, both the dustproof fixed cover and the dustproof movable cover are equipped with dustproof brushes, and the other end of the dust suction pipe is equipped with a dust suction pipe adapter.

Preferably, the through hole is equipped with a first drive device, the dustproof movable cover is provided with a movable part connected to the first drive device, the through hole is provided with a fixed part for fixing the first drive device, and the first The driving device includes a cylinder and a cylinder piston rod, the cylinder is fixedly connected to the fixed part, and the cylinder piston rod is movably connected to the movable part.

Preferably, the tool magazine is provided with a U-shaped opening slot and a cutter head, the cutter head is provided with a rotating shaft and a tool changing fixture, the rotating shaft is rotatably connected to the tool magazine, and the knife magazine is also provided with a shaft connected to the cutter head Second drive.

Preferably, the tool change fixtures are distributed in a ring with the rotating shaft as the axis, and the second driving device is a cylinder and a ratchet mechanism.

Preferably, there are more than two tool changing fixtures, and the two or more tool changing fixtures are all fixedly installed on the cutter head.

Preferably, there are eight tool changing fixtures, and the eight tool changing fixtures are all fixedly installed on the cutter head.

Preferably, the beam is equipped with a first shield and a second shield, the two ends of the first shield are respectively abutted against the first column and the mounting seat, and the two ends of the second shield are respectively abutted against the second column and the mounting seat. The mounting seat, the first shield and the second shield are both slidably connected to the beam.

The beneficial effect of the present invention is that: the present invention provides an improved gantry type polishing equipment, including a frame, a workbench, a beam and a mounting base, and it is characterized in that: the frame is equipped with a The frame is also equipped with a first column and a second column, and the first column and the second column are respectively installed on both sides of the frame, and the beam is fixedly connected to the first column and the second column. Column, the beam is equipped with a second slide rail for the mounting base to slide along the X-axis direction, the mounting base is equipped with a third slide rail and a main shaft, the main shaft is slidably connected to the third slide rail, and the head of the main shaft is installed There is a chip suction device, and the second column is equipped with a tool magazine. In actual work, when the milling work is ready to start and needs to be loaded, the first driving device of the dust suction device on the main shaft will start to make the dust-proof movable cover take the guide column as the The axis rotates to open the head end of the spindle, and then the spindle uses the third slide rail of the mounting seat to move along the Z-axis direction to a horizontal position slightly higher than the tool magazine, and then the mounting seat uses the second slide rail of the crossbeam to move along the X-axis The direction moves to the top of the tool magazine. At this time, the second driving device of the tool magazine will make the cutter head rotate until the required tool is directly below the main shaft. The tool falls off the tool changing fixture, and the clamping is completed, and then the first driving device starts up again to close the dust-proof movable cover to start processing. The space formed by the closing can not be leaked at will, and then it is collected through the through hole of the fixed dust cover. Combining the above advantages, the improved gantry milling equipment can realize the optimization of the working environment of the workshop, and also simplify the operating personnel. It provides great convenience for modern automatic production, and has strong creativity and practicability.

Description of drawings

Figure 1 is a schematic diagram of the three-dimensional structure of the present invention.

Fig. 2 is a schematic diagram of the three-dimensional structure of the present invention with the rack hidden.

Fig. 3 is a partial enlarged structural schematic diagram of the chip suction device in the present invention.

Fig. 4 is a schematic diagram of a partially enlarged structure of the tool magazine in the present invention.

Detailed ways

In order to facilitate the understanding of those skilled in the art, the present invention will be further described below in conjunction with the examples, and the contents mentioned in the embodiments are not intended to limit the present invention.

As shown in Figures 1 to 4, an improved gantry milling equipment includes a frame 1, a workbench 11, a beam 2 and a mounting base 3, and is characterized in that: the frame 1 is equipped with a The first slide rail 12 that slides in the Y-axis direction, the frame 1 is also equipped with a first column 13 and a second column 14, and the first column 13 and the second column 14 are respectively installed on both sides of the frame 1, so that The beam 2 is fixedly connected to the first column 13 and the second column 14, the beam 2 is equipped with a second slide rail 21 for the mounting base 3 to slide along the X-axis direction, and the mounting base 3 is equipped with a third slide rail 31 The main shaft 32 is slidably connected to the third slide rail 31 , the head of the main shaft 32 is equipped with a chip suction device 4 , and the second column 14 is equipped with a tool magazine 5 .

The improved gantry milling equipment of this embodiment, in actual work, when the milling work is ready to start and needs to be equipped with a knife, the first driving device 6 of the dust suction device on the main shaft 32 will start to make the dustproof movable cover 42 take the guide column part 47 as the The axis rotates to open the head end of the main shaft 32, and then the main shaft 32 uses the third slide rail 31 of the mounting seat 3 to move along the Z-axis direction to a horizontal position slightly higher than the tool magazine 5, and then the mounting seat 3 utilizes the position of the crossbeam 2 The second slide rail 21 moves to the top of the tool magazine 5 along the X-axis direction. At this time, the second driving device 7 of the tool magazine 5 can rotate the cutter head 52, and rotate to the required tool directly below the main shaft 32, and the main shaft 32 Descend to hold the tool, and then directly move back to the direction of the workbench 11 to make the tool fall off the tool changing fixture 54, complete the clamping, and then start the first driving device 6 again to close the dustproof movable cover 42 to start processing. The dust chips milled out in the process will be trapped by the space formed by the closing of the dust-proof fixed cover 43 and the dust-proof movable cover 42 and cannot be released at will, and then be collected through the through hole 46 of the fixed dust-proof cover. Based on the above advantages, this The improved gantry milling equipment can optimize the working environment of the workshop, simplify the workload of operators, provide great convenience for modern automatic production, and have strong creativity and practicability.

In this embodiment, the chip suction device 4 includes an arc jacket 41, a dust-proof movable cover 42 and a dust-proof fixed cover 43. A first arc surface 44 is provided, and the dustproof movable cover 42 is provided with a second arc surface 45, the first arc surface 44 is fixedly connected to the arc jacket 41, and the dustproof fixed cover 43 is provided with a through The hole 46 and the guide post part 47, the through hole 46 is equipped with a dust suction pipe 48, and the dustproof movable cover 42 is provided with a first guide hole 49 and a second guide hole 410 which are sleeved on the guide post part 47. Dustproof fixed cover 43 and dustproof movable cover 42 are all equipped with dustproof brush 411, and the other end of described dust suction pipe 48 is equipped with dust suction pipe adapter 412, utilizes dustproof fixed cover 43, dustproof movable cover 42 and The dust-proof brush 411 has prevented the leakage of dust dust well, and then the dust dust is sucked away and collected through the through hole 46 in the dust-proof fixed cover 43, which provides a clean environment for the operating personnel and the workshop, and the mechanism is simple and easy Realization has strong creativity and practicality.

In this embodiment, the first driving device 6 is installed on the through-hole 46, the dust-proof movable cover 42 is provided with a movable part 61 connected to the first driving device 6, and the through-hole 46 is provided with a fixed first driving device. 6, the first driving device 6 includes a first cylinder 63 and a cylinder piston rod 64, the cylinder 63 is fixedly connected to the fixed portion 62, and the cylinder piston rod 64 is movably connected to the movable part 61, and the power of the cylinder 63 is utilized The very good opening and closing dustproof sliding cover provides convenience for tool change and maintenance, and the structure is simple and practical.

In this embodiment, the tool magazine 5 is provided with a U-shaped opening groove 51 and a cutter head 52, and the cutter head 52 is provided with a rotating shaft 53 and a tool changing fixture 54, and the rotating shaft 53 is rotatably connected to the tool magazine 5. The tool magazine 5 is also provided with a second driving device 7 connected to the cutter head 52. The tool change fixture 54 is distributed in a ring shape with the rotating shaft 53 as the axis center. The second driving device 7 is a second cylinder and a ratchet mechanism. There are eight tool change fixtures 54, and the eight tool change fixtures 54 are all fixedly installed on the cutter head 52, and the cylinder 63 is used to drive the ratchet mechanism to rotate and transmit to the rotating shaft 53, so that the required tools can be rotated according to the needs. At the position where the knife is installed, the simple structure realizes automatic tool change, which greatly reduces the workload of the operator, and has strong creativity and practicability.

In this embodiment, the beam 2 is equipped with a first shield 22 and a second shield 23, the two ends of the first shield 22 are respectively abutted against the first column 13 and the mounting seat 3, and the two ends of the second shield 23 are The ends abut against the second column 14 and the mounting seat 3 respectively, and the first shield 22 and the second shield 23 are both slidably connected to the beam 2, which well protects the mechanism in the beam 2 and improves the working efficiency of the machine tool. Long life and strong practicability.

In the description of the present invention, it should be noted that for orientation words, such as the term "center", "horizontal (X)", "longitudinal (Y)", "vertical (Z)", "length", "width ", "Thickness", "Top", "Down", "Front", "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner" , "Outside", "Clockwise", "Counterclockwise", etc. indicating orientation and positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying The devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific protection scope of the present invention.

In addition, terms such as "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of technical features. Therefore, the definition of "first" and "second" features may explicitly or implicitly include one or more of these features. In the description of the present invention, "several" means two or more, unless otherwise stated. There are clear and specific limitations.

In the present invention, unless otherwise clearly specified and limited, if there are terms "assembled", "connected" and "connected", the terms should be interpreted in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral ground connection; it can also be a mechanical connection; it can be directly connected, or connected through an intermediary, or two components can be connected internally. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

The above-mentioned embodiments only express some implementations of the present invention, and the description thereof is relatively specific and detailed, but should not be construed as limiting the patent scope of the present invention. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent for the present invention should be based on the appended claims.

Claims (6)

1. An improved gantry-type milling equipment, including a frame (1), a workbench (11), a beam (2) and a mounting base (3), characterized in that: the frame (1) is equipped with The table (11) slides along the first slide rail (12) along the Y-axis direction, and the rack (1) is also equipped with a first column (13) and a second column (14), the first column (13) and The second column (14) is respectively installed on both sides of the frame (1), the beam (2) is fixedly connected to the first column (13) and the second column (14), and the beam (2) is installed with The mounting seat (3) is a second sliding rail (21) that slides along the X-axis direction, the mounting seat (3) is equipped with a third sliding rail (31) and a main shaft (32), and the main shaft (32) is slidably connected to the first Three slide rails (31), the head of the main shaft (32) is equipped with a chip suction device (4), and the second column (14) is equipped with a tool magazine (5); The chip suction device (4) includes an arc jacket (41), a dust-proof movable cover (42) and a dust-proof fixed cover (43), and the arc jacket (41) is fixedly set on the main shaft (32), The dustproof fixed cover (43) is provided with a first arc surface (44), the dustproof movable cover (42) is provided with a second arc surface (45), and the first arc surface (44) is fixedly connected to For the arc jacket (41), the dust-proof fixed cover (43) is provided with a through hole (46) and a guide column part (47), and the through hole (46) is equipped with a dust suction pipe (48). The dust-proof movable cover (42) is provided with a first guide hole (49) and a second guide hole (410) set on the guide column part (47); Both the dust-proof fixed cover (43) and the dust-proof movable cover (42) are equipped with a dust-proof brush (411), and the other end of the dust-absorbing pipe (48) is installed with a dust-absorbing pipe adapter (412); The through hole (46) is equipped with a first driving device (6), the dustproof movable cover (42) is provided with a movable part (61) connected to the first driving device (6), and the through hole (46) There is a fixing part (62) for fixing the first driving device (6), the first driving device (6) includes a first cylinder (63) and a cylinder piston rod (64), and the cylinder (63) is fixedly connected to the fixed Part (62), the cylinder piston rod (64) is movably connected to the movable part (61). 2. The improved gantry milling equipment according to claim 1, characterized in that: the tool magazine (5) is provided with a U-shaped opening slot (51) and a cutter head (52), and the cutter head (52) A rotating shaft (53) and a tool change fixture (54) are provided, the rotating shaft (53) is rotatably connected to the tool magazine (5), and the tool magazine (5) is also provided with a second drive connected to the cutter head (52) device (7). 3. The improved gantry-type milling equipment according to claim 2, characterized in that: the tool change fixture (54) is distributed in a ring shape with the rotating shaft (53) as the axis, and the second driving device (7) For the second cylinder and ratchet mechanism. 4. The improved gantry-type milling equipment according to claim 2, characterized in that: the number of the tool change fixtures (54) is more than two, and the two or more tool change fixtures (54) are all fixedly installed on cutter head (52). 5. The improved gantry-type milling equipment according to claim 2, characterized in that: the number of the tool change fixtures (54) is eight, and the eight tool change fixtures (54) are all fixedly installed on the cutter head ( 52). 6. The improved gantry milling equipment according to claim 1, characterized in that: the beam (2) is equipped with a first shield (22) and a second shield (23), the first shield ( 22) The two ends are respectively abutted against the first column (13) and the mounting base (3), and the two ends of the second shield (23) are respectively abutted against the second column (14) and the mounting base (3). Both the first shield (22) and the second shield (23) are slidably connected to the beam (2).