CN102501274A - A CNC milling machine for wood surface processing - Google Patents

Abstract

The present invention relates to a CNC milling machine for wood curved surface processing, comprising a main frame and an electrical control console, a sub-frame is respectively arranged on both sides of the main frame, each sub-frame is respectively provided with an arc slide rail, and a tool holder assembly is respectively installed on the arc slide rail; the tool holder assembly comprises a slide seat matching the arc slide rail, the slide seat is provided with a second linear slide rail and a second servo motor drive mechanism, and the second linear slide rail is provided with a tool holder driven by the second servo motor drive mechanism; the tool holder is provided with a cutter head drive motor and a cutter head rotating shaft arranged vertically in the longitudinal direction for installing the cutter head, and the cutter head rotating shaft is driven by the cutter head drive motor through a synchronous belt transmission mechanism. In the present invention, two or more sets of tool holder assemblies can work individually or together, so they are highly flexible and can simultaneously perform different forms of curved surface processing on wood, making the shape of wood more diversified and having a wider range of uses.

Description

A CNC milling machine for wood surface processing

Technical field:

The invention belongs to the technical field of mechanical equipment manufacturing, and relates to woodworking processing equipment, in particular to a numerically controlled milling machine for wood curved surface processing.

Background technique:

Surface processing of wood is a commonly used processing method in modern wood processing. At present, high-efficiency mechanical processing methods are mostly used. In the existing woodworking equipment that can process curved surfaces, the cutter head seat for installing the cutter head is generally arranged on the upper part of the main frame, which can be moved up and down or translated in the horizontal plane, and the wood is fixed on the table of the main frame, and the table is movable or In this kind of curved surface processing equipment, multiple cutter heads are generally installed on the cutter head seat at the same time, each cutter head cannot be independently controlled, and the flexibility is poor. In one processing, only one kind of the same curved surface can be processed, and the same curved surface cannot be processed. The workpiece is processed with different curved surfaces; moreover, due to the needs of the motion trajectory of the cutter head seat and the work table, the structural design is relatively complicated and the cost is high. In addition, during the processing of the existing wood processing equipment, the sawdust generated by the wood is flying everywhere, and it is easy to fall into the equipment, which not only affects the workshop environment, but also easily damages the equipment, affecting the normal operation and service life of the equipment.

Invention content:

The object of the present invention is to overcome the above-mentioned disadvantages of the prior art, and provide a numerically controlled milling machine for wood curved surface processing with simpler structural design and more flexible control.

The technical solution adopted by the present invention to realize its purpose is: a kind of numerical control milling machine for wood curved surface processing, including main frame and electric console, wherein:

The main frame is provided with a first linear slide rail and a first servo motor drive mechanism, and a wood fixing assembly driven by the first servo motor drive mechanism is installed on the first linear slide rail;

A sub-frame is respectively provided on both sides of the main frame, and arc-shaped slide rails are respectively provided on each of the sub-frames, and tool holder assemblies are respectively installed on the arc-shaped slide rails;

The tool holder assembly includes a slide seat matched with the arc-shaped slide rail, the slide seat is provided with a second linear slide rail and a second servo motor drive mechanism, and the second linear slide rail is installed with the second linear slide rail. A knife seat driven by a servo motor drive mechanism; a knife head drive motor and a knife head rotating shaft vertically arranged along the longitudinal direction for installing the knife head are installed on the knife seat, and the knife head rotating shaft is synchronized by the knife head driving motor Driven by belt drive.

In the above technical solution, the wood fixing component includes a strip-shaped sliding block installed on the first linear slide rail, side brackets are respectively installed at both ends of the strip-shaped sliding block, and a bracket frame is erected between the side brackets at the two ends. , the support frame is respectively equipped with pressing cylinders through several adjustable cylinder seats, and the ends of the pressing cylinders are connected with pressing blocks.

In the above technical solution, a material resting mechanism is installed on one side of the main frame.

In the above technical solution, the tool seat has a horizontal extending seat, and the rotating shaft of the cutter head is mounted on the extending seat in a vertical direction.

In the above technical solution, a dust-proof sealing plate is installed on the outer surface of the knife seat, and a dust collection cover is installed on the periphery of the knife seat. The front opening of the dust collection cover is opposite to the rotating shaft of the knife head, and the rear end opening is connected to an external vacuum cleaner.

In the above technical solution, the number of arc-shaped sliding rails on each sub-frame is one or two, and the number of corresponding tool holder assemblies is one or two sets.

In the present invention, two or more sets of tool holder assemblies can work independently or jointly, so the flexibility is high, and different forms of curved surfaces can be processed on wood at the same time, so that the shape of wood is more diverse and the scope of use is wider. wide. Moreover, the angular position of each set of tool holder components can be individually adjusted through arc-shaped slide rails, and a more suitable knife feed angle can be adjusted according to different parts of the wood, so that wood processing is smoother. In addition, the sawdust is sucked away by the vacuum hood and its external vacuum cleaner and other equipment during processing, which can prevent the sawdust from flying into the interior of the tool holder assembly, keep the overall cleanliness of the machine tool, and at the same time protect the cleanliness of the tool holder assembly.

Description of drawings:

Fig. 1 is a structural representation of an embodiment of the present invention;

Fig. 2 is a partially exploded schematic view of the main frame in the embodiment of Fig. 1;

Fig. 3 is a schematic diagram of an exploded structure of the tool holder assembly in the embodiment of Fig. 1;

Fig. 4 is a schematic structural view of the wood fixing assembly in the embodiment of Fig. 1;

Fig. 5 and Fig. 6 are structural schematic diagrams of another embodiment of the present invention.

Detailed ways:

The present invention will be further described below in conjunction with specific embodiments and accompanying drawings.

The numerically controlled milling machine for wood curved surface processing according to the present invention includes a main frame 1 and an electric console, and the main frame 1 and the electric console can be integrated or separated. What adopted in the present embodiment is split type.

As shown in Figures 1 to 3, a first linear slide rail 11 and a first servo motor drive mechanism 12 are provided along the length direction of the main frame 1, and the first linear slide rail 11 is equipped with a Describe the wood fixing assembly 2 driven by the first servo motor drive mechanism 12;

A sub-frame 3 is respectively arranged on both sides of the main frame 1, and each of the sub-frames 3 is respectively provided with an arc-shaped slide rail 31, and a tool holder assembly is respectively installed on the arc-shaped slide rail 31 4. In this embodiment, the number of arc-shaped slide rails 31 on each sub-frame 3 is two, and a set of tool block assemblies 4 are respectively installed on each arc-shaped slide rail 31, that is, there are 4 sets of tool block assemblies 4 in total. , staggered distribution. The purpose of adopting the arc-shaped slide rail 31 is to adjust the position and angle of the knife seat assembly 4, thereby adjusting the angle of feed, so as to meet the processing needs of various shapes of wood.

The tool seat assembly 4 includes a sliding seat 41 matched with the arc-shaped slide rail 31, the sliding seat 41 is provided with a second linear sliding rail 42 and a second servo motor drive mechanism 43, and the second linear sliding rail 42 is A cutter head 44 driven by the second servo motor drive mechanism 43 is installed; a cutter head drive motor 45 and a cutter head rotating shaft 46 that is vertically arranged along the longitudinal direction and is used to install the cutter head are installed on the cutter holder 44, The cutter head rotating shaft 46 is driven by a cutter head drive motor 45 through a synchronous belt transmission mechanism 47 . Specifically, the knife seat 44 has a horizontal extension seat 440, and the cutter head rotating shaft 46 is mounted on the extension seat 440 in a vertical direction, that is, the extension seat 440 is located outside the main body of the knife seat 44, and the knife head drives Motor 45 is then installed in the main part of cutter holder 44, and cutterhead rotating shaft 46 is driven and rotated by cutterhead driving motor 45 by synchronous belt transmission mechanism 47, thereby drives the cutterhead that is installed on it to rotate at a high speed, and wood is processed.

In this embodiment, the first and second servo motor driving mechanisms are both composed of a servo motor, a screw rod, and a screw nut installed on the driven part.

As shown in FIG. 4 , the wood fixing assembly 2 includes a strip-shaped sliding block 21 installed on the first linear slide rail 11, and side brackets 22 are respectively installed at both ends of the strip-shaped sliding block 21. A bracket frame 23 is set up between the brackets 22, and several adjustable cylinder blocks 25 are installed on the bracket frame 23 respectively with several pressing cylinders 24, and the ends of the pressing cylinders 24 are connected with a pressing block 241; Seat 25 is fixed on the support frame 23, and its direction is perpendicular to the direction of strip slide block 21, and the position of cylinder seat 25 on support frame 23 is adjustable, and the position of binder cylinder 24 on cylinder seat 25 is also adjustable, Its purpose is also in order to adapt to the wood processing of different shapes, and facilitates the pressing block 241 at the end of the pressing cylinder 24 to act on the appropriate position of the wood. A material leaning mechanism 13 is also installed on one side of the main frame 1, and the effect of the material leaning mechanism 13 is to facilitate the positioning of timber and determine its processing position.

In the above technical solution, the outer surface of the knife seat 44 is equipped with a dust-proof sealing plate 441, and the periphery of the knife seat 44 is also equipped with a dust collection cover 442, the front opening of the dust collection cover 442 is opposite to the cutter head shaft 46, and The end opening is connected to an external vacuum cleaner. The effect of the dust-proof seal plate 441 is to prevent sawdust from entering the cutter head drive motor and its pulley transmission mechanism during processing, so as to avoid affecting the transmission effect and service life. The effect of the dust collection cover 442 is that after the rear end opening is connected with an external vacuum cleaner and other equipment, the sawdust generated in the process can be sucked away, which is beneficial to keep the wood surface and the machine table top clean.

As shown in Figure 5 again, the structural representation of another kind of embodiment of the present invention, only is provided with a curved slide rail 31 on each sub-frame 3 of the present invention, promptly has two curved slide rails 31, two sets of tool holders Component 4, its structural principles and other components are consistent with the foregoing embodiments, so details are not repeated here. Of course, the number of arc-shaped slide rails and tool seat assemblies can also be, for example, 3, 5, 6, etc.

The working principle of the present invention is: in conjunction with shown in Fig. 6, wood fixing assembly 2 is at the outer end of main machine tool 1, does not enter the processing station where knife seat is located, and knife seat assembly 4 and the cutter head on it are also at the The outer end position of two linear slide rails 42; At this moment, the wood is fixed on the wood fixing assembly 2 according to the processing needs, and then the wood fixing assembly 2 is controlled to move to the position of the knife seat assembly 4 processing stations; the cutter head drive motor 45 is started Start processing, and in the processing process, drive the whole tool holder 44 and the parts installed thereon to move back and forth along the second linear slide rail 42 by the second servo motor drive mechanism 43 in the cutter head assembly 4, and add the wood material in the wood material The fixed component 2 is driven by the first servo motor drive mechanism 12 to make a linear motion along the first linear slide rail 11, and the curved surface processing of wood is realized by controlling the speed of the two linear motions.

Choose the cutter head according to the thickness of the wood or its processing thickness to meet the processing needs of different wood.

To sum up, two or more sets of tool holder assemblies in the present invention can work independently or jointly, so the flexibility is high, and different forms of curved surfaces can be processed on wood at the same time, so that the shape of wood is more diverse , with a wider range of use. Moreover, the angular position of each set of tool holder components can be individually adjusted through arc-shaped slide rails, and a more suitable knife feed angle can be adjusted according to different parts of the wood, so that wood processing is smoother. In addition, the sawdust is sucked away by the vacuum hood and its external vacuum cleaner and other equipment during processing, which can prevent the sawdust from flying into the interior of the tool holder assembly, keep the overall cleanliness of the machine tool, and at the same time protect the cleanliness of the tool holder assembly.

Claims (6)

1. A numerically controlled milling machine for wood curved surface processing, comprising a main frame (1) and an electric console, characterized in that: The main frame (1) is provided with a first linear slide rail (11) and a first servo motor drive mechanism (12), and the first linear slide rail (11) is equipped with a The wood fixing assembly (2) driven by the driving mechanism (12); A sub-frame (3) is respectively arranged on both sides of the main frame (1), and each sub-frame (3) is respectively provided with an arc-shaped slide rail (31). (31) is respectively equipped with knife seat assembly (4); The tool seat assembly (4) includes a slide seat (41) matched with the arc-shaped slide rail (31), the slide seat (41) is provided with a second linear slide rail (42) and a second servo motor drive mechanism (43), the second linear slide rail (42) is equipped with a knife seat (44) driven by the second servo motor drive mechanism (43); the knife head drive motor is installed on the knife seat (44) (45) and vertically arranged along the longitudinal direction, the cutter head rotating shaft (46) that is used to install the cutter head, the cutter head rotating shaft (46) is driven by the cutter head drive motor (45) through the synchronous belt transmission mechanism (47). 2. A numerically controlled milling machine for wood curved surface processing according to claim 1, characterized in that: the wood fixing assembly (2) includes a strip-shaped sliding block (21) mounted on the first linear slide rail (11) ), side brackets (22) are respectively installed at the two ends of the strip sliding block (21), a bracket frame (23) is erected between the side brackets (22) at the two ends, and several The adjustable cylinder bases (25) are respectively equipped with pressing cylinders (24), and the ends of the pressing cylinders (24) are connected with pressing blocks (241). 3. The CNC milling machine for wood curved surface processing according to claim 1, characterized in that: a material resting mechanism (13) is also installed on one side of the main frame (1). 4. A kind of CNC milling machine for wood surface processing according to claim 1, characterized in that: said tool seat (44) has a horizontal extension seat (440), and said tool head rotating shaft (46) is vertical The direction is mounted on the extension seat (440). 5. A kind of CNC milling machine for wood curved surface processing according to claim 1, characterized in that: the outer surface of the tool holder (44) is equipped with a dust-proof sealing plate (441), and the periphery of the tool holder (44) is also installed There is a dust suction cover (442), the front opening of the dust suction cover (442) is opposite to the cutter head rotating shaft (46), and the rear end opening is connected with an external vacuum cleaner. 6. A kind of CNC milling machine for wood curved surface processing according to claim 1, characterized in that: the number of arc-shaped slide rails (31) on each sub-frame (3) is one or two, and the corresponding knife The number of seat components (4) is one set or two sets.

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