CN211305509U - Gantry type CNC (computer numerical control) machine tool - Google Patents

Abstract

The utility model relates to the field of mechanical processing, in particular to a gantry type CNC processing machine tool, comprising a frame, a first translation mechanism is arranged on the frame along the Y-axis direction, a worktable is arranged on the first translation mechanism, and the upper part of the worktable is arranged on the frame. A second translation mechanism is arranged along the X-axis direction, and a rotation mechanism is arranged on the second translation mechanism. The rotation mechanism includes a rotating shaft box, and a rotating shaft is inserted into the rotating shaft box along the Y-axis direction, and the rear end of the rotating shaft is connected with the reducer. The machine cooperates with the third motor, the front end of the rotating shaft is connected with a rotating seat, the rotating seat is provided with a lifting mechanism along the Z-axis direction, and the lifting mechanism is provided with a knife shaft assembly; Angle processing can fully meet the multi-faceted processing requirements of parts.

Description

A gantry CNC machining machine

technical field

The utility model relates to the field of machining, in particular to a gantry type CNC machining machine.

Background technique

Traditional machining centers are generally used for the machining of larger parts, so their own volume is also larger. And most of them use cantilever type, so when high-speed machining is performed, the vibration is relatively large, which affects the machining accuracy. With the gradual rise of the auto parts and instrument industries, the use of miniaturized or even desktop equipment to process parts has gradually become an indispensable requirement. The existing engraving and milling machines and engraving machines can meet the above requirements to a certain extent. . The traditional engraving and milling machine or engraving machine can only process some parts that are processed on one side. For the parts that need multi-sided and multi-angle processing, it cannot be processed at one time, and the parts need to be disassembled and debugged many times. The processing operation is complicated and time-consuming. Laborious, low processing efficiency.

Utility model content

The purpose of the utility model is to provide a gantry type CNC machining machine tool with simple structure, convenient use, high machining accuracy and small vibration.

The purpose of the present invention can be achieved through the following technical solutions.

A gantry type CNC machining machine tool includes a frame, a first translation mechanism is arranged on the frame along the Y-axis direction, a worktable is arranged on the first translation mechanism, and a second translation mechanism is arranged above the worktable along the X-axis direction , the second translation mechanism is provided with a rotating mechanism, the rotating mechanism includes a rotating shaft box, a rotating shaft is inserted into the rotating shaft box along the Y-axis direction, the rear end of the rotating shaft is connected with the reducer, and the reducer is matched with the third motor. The front end is connected with a rotating seat, a lifting mechanism is arranged on the rotating seat along the Z-axis direction, and a knife shaft assembly is arranged on the lifting mechanism.

Preferably, a positioning support seat is arranged on the shaft box, a positioning cylinder is arranged on the positioning support seat, and an output end of the positioning cylinder is connected with a positioning pin matched with a socket sleeve of the rotating seat.

Preferably, the first translation mechanism includes a translation base fixed on the frame, baffles are provided around the translation base, and two sets of first slide rails parallel to each other are provided on the translation base along the Y-axis direction. and the first screw rod, the first slide rail is slidably provided with a Y-axis translation seat fixedly connected with the worktable, the bottom of the Y-axis translation seat is threadedly matched with the first screw rod through the nut seat, and the first screw rod and the first motor connect.

Preferably, the second translation mechanism includes upright columns vertically arranged on the frame and located on both sides of the worktable, the upper end of the upright column is provided with a top plate horizontally, and the top plate is provided with two parallel sets of second slide rails and a second slide rail along the X-axis direction. Two screw rods, the X-axis translation seat fixedly connected with the shaft box is slidably arranged on the second slide rail, and the X-axis translation seat is provided with a nut seat threadedly connected with the second screw rod, and the second screw rod is connected with the second motor .

Preferably, the lifting mechanism includes a fixed seat fixed on the rotating seat, a third sliding rail and a third screw rod parallel to each other are arranged on the fixing seat along the Z-axis direction, and a lifting seat is slidably arranged on the third sliding rail, and the lifting and lowering The seat is provided with a nut seat which is threadedly connected with the third screw rod, and the third screw rod is connected with the fourth motor.

Preferably, the tool shaft assembly includes a main shaft frame arranged on the lifting seat, the main shaft frame is provided with a driving main shaft, the upper end of the driving main shaft is connected with the fifth motor, and the lower end of the driving main shaft is detachably connected with a cutter head.

Compared with the prior art, the utility model has the advantages of simple structure, ingenious design and reasonable layout, and it aims at the defects of the traditional machining center, which is bulky, high cost, and difficult to process and handle the parts with small volume, A gantry-type and miniaturized CNC machining center is designed in a targeted manner, which changes the cantilever design of the traditional machining center to the gantry-type design, thereby obtaining better machining stability and improving machining accuracy. The tool shaft assembly is rotated and adjusted by the rotating mechanism to realize multi-angle machining, which can fully meet the multi-faceted machining requirements of parts.

Description of drawings

Figure 1 is a schematic structural diagram of the utility model.

FIG. 2 is a schematic structural diagram of the rotating mechanism of the present invention.

FIG. 3 is a schematic structural diagram of the first translation mechanism of the present invention.

FIG. 4 is a schematic structural diagram of the second translation mechanism of the present invention.

FIG. 5 is a schematic structural diagram of the lifting mechanism of the present invention.

The symbols shown in the figure are represented as: 1, the frame; 2, the first translation mechanism; 3, the worktable; 4, the second translation mechanism; 5, the rotation mechanism; 6, the lifting mechanism; 7, the translation base; 8, The first motor; 9, the first screw; 10, the first slide rail; 11, the Y-axis translation seat; 12, the column; 13, the second slide rail; 14, the top plate; 15, the second motor; 16, the second Screw; 17, X-axis translation seat; 18, shaft box; 19, third motor; 20, reducer; 21, rotary seat; 22, fixed seat; 23, third slide rail; 24, lift seat; 25, Spindle frame; 26, fourth motor; 27, third screw; 28, fifth motor; 29, drive spindle; 30, cutter head; 31, shaft; 32, positioning support seat; 33, positioning cylinder; 34, positioning pin.

Detailed ways

The technical solutions of the present invention will be clearly and completely described below with reference to specific embodiments. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

As shown in FIGS. 1 to 5 , the structure of the present utility model is: a gantry type CNC machining machine tool, including a frame 1, and a first translation mechanism 2 is arranged on the frame 1 along the Y-axis direction. The first translation mechanism 2 There is a worktable 3 on it, a second translation mechanism 4 is provided above the worktable 3 along the X-axis direction, and a rotation mechanism 5 is provided on the second translation mechanism 4. The rotation mechanism 5 includes a rotating shaft box 18. A rotating shaft 31 is inserted in the axial direction, the rear end of the rotating shaft 31 is connected with the reducer 20, the reducer 20 is matched with the third motor 19, the front end of the rotating shaft 31 is connected with a rotating seat 21, and the rotating seat 21 is arranged along the Z-axis direction There is a lifting mechanism 6, a knife shaft assembly is arranged on the lifting mechanism 6, the reducer 20 is driven by the third motor 19, the reducer 20 is transmitted to the rotating shaft 31, and the rotating base 21 is driven to rotate, and the rotating adjustment of the knife shaft assembly is performed to realize multi-angle. It can fully meet the multi-faceted processing requirements of parts.

As shown in FIG. 2 , a positioning support base 32 is provided on the shaft box 18 , a positioning cylinder 33 is set on the positioning support base 32 , and the output end of the positioning cylinder 33 is connected with a positioning pin 34 which is inserted into the rotating base 21 . When the mechanism 5 is reset, the knife shaft assembly is restored to the vertical state, and the positioning pin 34 is pushed forward by the positioning cylinder 33, so that the positioning pin 34 is fitted with the rotating seat 21, so that the rotating seat 21 can maintain the stability in the vertical direction when it is reset. When the angle of the cutter shaft assembly needs to be adjusted, the positioning cylinder 33 pulls the positioning pin 34 backwards, so that the positioning pin 34 is separated from the rotating seat 21 .

As shown in FIG. 3 , the first translation mechanism 2 includes a translation base 7 that is fixedly arranged on the frame 1 , baffles are provided around the translation base 7 , and the translation base 7 is provided with mutual There are two parallel sets of first slide rails 10 and first screw rods 9. The first slide rail 10 is slidably provided with a Y-axis translation seat 11 that is fixedly connected to the workbench 3. The bottom of the Y-axis translation seat 11 is connected to the second A lead screw 9 is threadedly matched, and the first lead screw 9 is connected with the first motor 8. The first lead screw 9 is rotated by the first motor 8 to make the Y-axis translation seat 11 move along the Y-axis direction. The structure is simple and the design cost is low.

As shown in FIG. 4 , the second translation mechanism 4 includes upright columns 12 that are vertically arranged on the frame 1 and located on both sides of the worktable 3 . The upper end of the upright column 12 is horizontally provided with a top plate 14 . Two parallel sets of second slide rails 13 and second screw rods 16 , the second slide rail 13 is slidably provided with an X-axis translation seat 17 that is fixedly connected with the shaft box 18 , and the X-axis translation seat 17 is provided with a second screw The nut seat that the rod 16 is threadedly connected to, the second screw rod 16 is connected to the second motor 15, and the second screw rod 16 is rotated by the second motor 15, so that the X-axis translation seat 17 moves along the X-axis direction, and the structure of the column 12 is designed. The cantilever design of the traditional machining center is changed to the gantry design, so as to obtain better machining stability and improve machining accuracy.

As shown in FIG. 5 , the lifting mechanism 6 includes a fixing base 22 fixed on the rotating base 21 . The fixing base 22 is provided with a third sliding rail 23 and a third screw rod 27 parallel to each other along the Z-axis direction. A lift seat 24 is slidably arranged on the rail 23 , and a nut seat threadedly connected to the third screw rod 27 is arranged on the lift seat 24 , and the third screw rod 27 is connected to the fourth motor 26 .

As shown in FIG. 5 , the tool shaft assembly includes a spindle frame 25 arranged on the lifting seat 24 , a driving spindle 29 is arranged on the spindle frame 25 , the upper end of the driving spindle 29 is connected with the fifth motor 28 , and the lower end of the driving spindle 29 is detachable The cutter head 30 is connected.

The present utility model has been further described above with the help of specific embodiments, but it should be understood that the specific description here should not be construed as a limitation on the essence and scope of the present utility model. Various modifications made to the above-mentioned embodiments all belong to the protection scope of the present invention.

Claims (6)

1. The utility model provides a planer-type CNC machine tool, includes frame (1), its characterized in that: frame (1) is gone up and is provided with first translation mechanism (2) along Y axle direction, be provided with workstation (3) on first translation mechanism (2), the top of workstation (3) is provided with second translation mechanism (4) along X axle direction, be provided with rotary mechanism (5) on second translation mechanism (4), rotary mechanism (5) are including pivot case (18), it has pivot (31) to follow Y axle direction plug bush in pivot case (18), the rear end of pivot (31) is connected with speed reducer (20), speed reducer (20) cooperate with third motor (19), the front end of pivot (31) is connected with roating seat (21), be provided with elevating system (6) along Z axle direction on roating seat (21), be provided with the arbor subassembly on elevating system (6).

2. The gantry CNC processing machine according to claim 1, wherein: be provided with location supporting seat (32) on pivot case (18), be provided with location cylinder (33) on location supporting seat (32), the output of location cylinder (33) is connected with and roating seat (21) plug bush complex locating pin (34).

3. The gantry CNC processing machine according to claim 1, wherein: first translation mechanism (2) are including fixed translation base (7) that sets up in frame (1), all be equipped with the baffle around translation base (7), just translation base (7) are gone up and are provided with two sets of first slide rails (10) and first lead screw (9) that are parallel to each other along the Y axle direction, it is provided with Y axle translation seat (11) that link firmly with workstation (3) to slide on first slide rail (10), nut seat and first lead screw (9) screw-thread fit are passed through to the bottom of Y axle translation seat (11), first lead screw (9) are connected with first motor (8).

4. The gantry CNC processing machine according to claim 1, wherein: the second translation mechanism (4) comprises upright columns (12) which are vertically arranged on the rack (1) and located on two sides of the workbench (3), a top plate (14) is horizontally arranged at the upper ends of the upright columns (12), two groups of second sliding rails (13) and second screw rods (16) which are parallel to each other are arranged on the top plate (14) along the X-axis direction, an X-axis translation seat (17) fixedly connected with a rotating shaft box (18) is arranged on the second sliding rails (13) in a sliding mode, a nut seat in threaded connection with the second screw rods (16) is arranged on the X-axis translation seat (17), and the second screw rods (16) are connected with a second motor (15).

5. The gantry CNC processing machine according to claim 1, wherein: the lifting mechanism (6) comprises a fixed seat (22) fixedly arranged on a rotating seat (21), a third sliding rail (23) and a third screw rod (27) which are parallel to each other are arranged on the fixed seat (22) along the Z-axis direction, a lifting seat (24) is arranged on the third sliding rail (23) in a sliding manner, a nut seat in threaded connection with the third screw rod (27) is arranged on the lifting seat (24), and the third screw rod (27) is connected with a fourth motor (26).

6. The gantry CNC machine tool of claim 5, wherein: the cutter shaft assembly comprises a main shaft frame (25) arranged on a lifting seat (24), a driving main shaft (29) is arranged on the main shaft frame (25), the upper end of the driving main shaft (29) is connected with a fifth motor (28), and the lower end of the driving main shaft (29) is detachably connected with a cutter head (30).

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