CN107052409A - A kind of engraving and milling machine - Google Patents

Abstract

The invention discloses a carving and milling machine which comprises a rack and an installation seat arranged on the rack, wherein a processing main shaft is arranged on the installation seat, at least one horizontal bearing surface is arranged on the rack, the installation seat is connected with the bearing surface through at least one slide rail mechanism and is arranged on the rack in a manner that the installation seat can move left and right, and a first driving device for driving the installation seat to move left and right is arranged on the rack. According to the carving and milling machine, the horizontal bearing surface is arranged on the rack, and the sliding rail mechanism is arranged on the bearing surface, so that the sliding rail mechanism can be arranged in the forward direction and cannot be in a hanging shape, the sliding rail mechanism can uniformly bear the gravity of the mounting seat, the sliding rail mechanism can be effectively prevented from deforming and slowing down abrasion in use, on the other hand, the connecting structure between the sliding rail mechanism and the rack and the mounting seat can be effectively prevented from deforming and damaging due to overlarge stress, the structure is novel and reliable, and the service life of the carving and milling machine can be effectively prolonged.

Description

A kind of engraving and milling machine

technical field

The invention relates to the field of mechanical processing equipment, in particular to an engraving and milling machine.

Background technique

Engraving and milling machine is a kind of commonly used equipment in machining. It usually includes a frame, a mounting seat mounted on the frame and a spindle mounted on the mounting seat. The mounting seat is usually slid on the machine through a slide rail mechanism. On the frame, the slide rail mechanism in the existing engraving and milling machine is usually installed on the longitudinal side wall of the frame and is set sideways and suspended. However, most slide rail mechanisms are designed for forward use. The guide part is usually set on the side, so the slide rail mechanism installed sideways will bear the gravity of the mounting seat by the guide part at the upper end, and the weight and volume of the mounting seat are usually large, which will speed up the guide part of the slide rail mechanism. Wear and tear will also easily deform the slide rail mechanism and loosen and damage the connection structure between the slide rail mechanism and the frame, which will easily affect the machining accuracy and service life of the engraving and milling machine. In addition, in this installation method, the mounting seat usually It is located on the side of the corresponding mounting surface on the rack as a whole. Due to the large volume of the mounting seat, its center will deviate from the slide rail mechanism by a long distance, and the resulting deflection force will aggravate the deformation and wear of the slide rail mechanism. .

Contents of the invention

In order to solve the above problems, the object of the present invention is to provide an engraving and milling machine with a novel and reliable structure, which is not easily deformed and damaged.

The technical scheme that the present invention adopts for solving its technical problem is:

An engraving and milling machine, comprising a frame and a mounting base arranged on the frame, the mounting base is provided with a processing spindle, the frame has at least one horizontal load-bearing surface, the mounting The seat is connected with the load-bearing surface through at least one slide rail mechanism, and the mounting seat is arranged on the frame so that it can move left and right. The frame is provided with a first driving device for driving the mounting seat to move left and right.

Preferably, the slide mechanism includes a guide rail and at least one slider slidably arranged on the guide rail, one of the guide rail and the slide block is arranged on the frame, and the other is arranged on the mounting base, and the guide rail has The guide part is used to guide the sliding of the slide rail along the guide rail, and the guide part is located on the side wall of the guide rail.

Preferably, the guide part is a guide groove opened on the side wall of the guide rail.

Preferably, the number of the load-bearing surfaces is two, one of the two load-bearing surfaces is located behind the other, and each load-bearing surface is respectively provided with a slide rail mechanism, and the two slide rail mechanisms are connected to the mounting base respectively. The front is connected to the rear.

Preferably, the first driving device includes a first driving motor and a first screw drive mechanism, and the first screw drive mechanism is located between the two load-bearing surfaces.

Preferably, an elevating seat is slidably arranged on the mounting base, and the elevating base is driven by a second driving device arranged on the mounting base to move up and down relative to the mounting base, and the processing spindle is arranged on the elevating base .

Preferably, the processing spindle is rotatably arranged on the lifting base, and its rotation axis is parallel to the front-to-back direction, and the lifting base is provided with a third driving device for driving the processing spindle to rotate around its rotation axis.

Preferably, a servo tool magazine is also provided on the frame, and the servo tool magazine includes a turntable arranged on the frame and several elastic clamps arranged on the turntable, and the tool can be detachably installed on the elastic clamp, The turntable is inclined at an angle with the horizontal plane and can rotate around its central axis. The tool on the elastic clamp at the bottom of the turntable is vertical, and the processing spindle can move laterally with the mounting seat to the elastic clamp at the bottom of the turntable. The knives on the top are aligned longitudinally, and can move longitudinally with the lifting seat to be connected with the longitudinal knives.

Preferably, the frame is provided with a workbench located below the processing spindle, and the workbench is slidably arranged on the frame and driven by a fourth driving device arranged on the frame so that it can move back and forth relative to the frame .

The beneficial effects of the present invention are: since the present invention is provided with a horizontal load-bearing surface on the frame, and the slide rail mechanism is installed on the load-bearing surface, the slide rail mechanism can be installed in a positive direction, and it will not appear Suspended, the slide rail mechanism can evenly bear the gravity of the mounting seat, which can effectively avoid the deformation of the slide rail mechanism and slow down the wear during use. On the other hand, it can also effectively prevent the connection structure between the slide rail mechanism, the rack and the mounting seat from being stressed If it is too large, it will be deformed and damaged, and the structure is novel and reliable, which can effectively prolong the service life of the engraving and milling machine.

Description of drawings

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

Fig. 1 is an overall structural diagram of the present invention;

Fig. 2 is a partial enlarged view of part A in Fig. 1;

Fig. 3 is a partially enlarged view of part B in Fig. 1;

Fig. 4 is a front view of the present invention.

detailed description

Referring to FIGS. 1 to 4 , an engraving and milling machine includes a frame 10 and a mount 20 disposed on the frame 10, the mount 20 is provided with a processing spindle 30, and the frame 10 has at least one horizontal The load-bearing surface 11 and the mounting seat 20 are connected to the load-bearing surface 11 through at least one slide rail mechanism so that the mounting seat 20 can move left and right and are arranged on the frame 10. The frame 10 is provided with a first for driving the mounting seat 20 to move left and right. a driving device. Since the horizontal load-bearing surface 11 is set on the frame 10 in the present invention, and the slide rail mechanism is installed on the load-bearing surface 11, the slide rail mechanism can be installed in a positive direction, and it will not be suspended and slide The rail mechanism can evenly bear the gravity of the mounting seat 20, which can effectively avoid the deformation of the slide rail mechanism and slow down the wear during use. Large enough to cause deformation and damage, the structure is novel and reliable, which can effectively prolong the service life of the engraving and milling machine.

In the present invention, the slide rail mechanism includes a guide rail 41 and at least one slider 42 slidably arranged on the guide rail 41. One of the guide rail 41 and the slide block 42 is arranged on the frame 10, and the other is arranged on the mounting base 20. The guide rail 41 has a guide part for guiding the sliding of the slide rail along the guide rail 41. The guide part is located on the side wall of the guide rail 41. The slide rail mechanism has a simple structure and stable movement, which can reduce the swing when the mounting base 20 moves And cheap, improve machining accuracy, and because guide part is arranged on the side of guide rail 41, therefore can reduce the pressure between slide rail and guide rail 41, thereby slow down the wearing and tearing of slide rail mechanism, prolong service life. In this embodiment, the guide rail 41 is arranged on the load-bearing surface 11, and the number of slide rails is arranged on the mounting base 20, which can ensure the stability of the mounting base 20 and the uniformity of the force of the slide rail mechanism. The guide portion in this embodiment is a guide groove 43 provided on the side wall of the guide rail 41, so that the guide groove 43 can fit well with the protrusion on the slider 42, and the stability when the mounting seat 20 moves can be effectively improved. Of course, in practical applications, the guide part can also adopt other common structures such as guide rods, and is not limited thereto.

In the present invention, there are two load-bearing surfaces 11, one of which is located behind the other in the two load-bearing surfaces 11, and a slide rail mechanism is respectively arranged on each load-bearing surface 11, and the two slide rail mechanisms are respectively connected with the installation The front part of the seat 20 is connected to the rear, so that the center of gravity of the mounting seat 20 can be close to the center between the two slide rail mechanisms, and the deflection force of the mounting seat 20 on the slide rail mechanism can be reduced, so that the two slide rail mechanisms are stressed. It is more uniform, can effectively prevent the slide rail mechanism and the connection structure between the slide rail mechanism and the mounting base 20 and the frame 10 from being deformed and damaged, and further prolongs the service life of the engraving and milling machine. On the other hand, this structure also helps In order to reduce the impact of machining errors and assembly errors on the machining accuracy of the engraving and milling machine, the stability of the movement of the mounting seat 20 can be further improved.

The first drive device in this embodiment includes a first drive motor 71 and a first screw drive mechanism 72, the first screw drive mechanism 72 is located between the two load-bearing surfaces 11, the screw drive mechanism has stable transmission and high precision The processing accuracy can be effectively improved. In this embodiment, the first screw drive mechanism 72 is located between the two load-bearing surfaces 11, so that it can be close to the center of gravity of the mounting seat 20, which helps to ensure that the mounting seat 20 is evenly stressed and prevents the mounting seat from 20 deflection occurs when moving, further improving the machining accuracy. Of course, in practical applications, the first driving device may also adopt other common structures such as a worm gear and a synchronous belt mechanism, and is not limited thereto.

In the present invention, an elevating base 50 is slidably arranged on the mounting base 20, and the elevating base 50 is driven by a second driving device arranged on the mounting base 20 to move up and down relative to the mounting base 20, and the machining spindle 30 is arranged on the elevating base. 50, it is convenient to adjust the longitudinal position of the processing spindle 30, and it is convenient to use. The processing spindle 30 can be rotatably arranged on the lifting seat 50, and its rotation axis is parallel to the front and rear directions. The rotating third driving device (not shown in the figure) allows the processing spindle 30 to rotate and perform inclined processing, which enriches the functions of the engraving and milling machine and is easy to use. In this embodiment, the second driving device adopts a screw mechanism driven by a second driving motor 73, which can improve the stability and accuracy of the movement of the lifting base 50. The third driving device can adopt a common structure such as a servo motor. These All are commonly used structures in the art, and will not be described in detail here.

A servo tool magazine 60 is also arranged on the frame 10, and the servo tool magazine 60 includes a turntable 61 arranged on the frame 10 and several elastic clamps 62 arranged on the turntable 61, and the cutter 80 can be detachably mounted on the elastic clamp 62, the turntable 61 is inclined at an angle with the horizontal plane and can rotate around its central axis. The tool 80 on the elastic clamp 62 at the bottom of the turntable 61 is vertical, and the processing spindle 30 can move laterally with the mounting seat 20 to the bottom of the turntable 61. The tool 80 on the elastic clamp 62 is longitudinally aligned, and can move longitudinally with the lifting seat 50 to connect with the tool 80 in this longitudinal direction. Since the turntable 61 is inclined, it can avoid the processing spindle 30 and will not move the processing spindle 30. As a result, the elastic clamp 62 can automatically loosen and clamp the tool 80, which is convenient for taking and placing. The rotating disk 61 can move the different tools 80 on different elastic clamps 62 to the tool changing position by rotating the turntable 61 to different angles, so that it can be conveniently and quickly Carrying out the tool changing operation is convenient to use. In this embodiment, a motor for driving the turntable 61 to rotate is also arranged on the frame 10, so that the turntable 61 can automatically rotate for the tool change operation. The elastic clamp 62 in the present embodiment includes two clamping arms pivotally arranged on the rotating disk 61, and these two clamping arms are all connected with the rotating disk 61 through an elastic member so as to clamp the groove on the tool 80, of course, the actual application Among them, the elastic clamp 62 can also adopt other commonly used structures, and is not limited thereto.

The frame 10 is provided with a workbench 12 positioned below the machining spindle 30. The workbench 12 is slidably arranged on the frame 10 and driven by a fourth driving device arranged on the frame 10 so as to be able to move forward and backward relative to the frame 10. Move, the workpiece can be placed on the workbench 12 for processing, convenient for loading and unloading and processing positioning, easy to use, the fourth driving device in this embodiment adopts the second screw drive mechanism 75 driven by a third driving motor 74, It helps to improve the smoothness of the movement of the workbench 12.

The above descriptions are only the preferred implementation modes of the present invention, as long as the technical solutions to achieve the purpose of the present invention by basically the same means fall within the protection scope of the present invention.

Claims (9)

1. An engraving and milling machine, comprising a frame (10) and a mount (20) arranged on the frame (10), the mount (20) is provided with a machining spindle (30), which It is characterized in that: the frame (10) has at least one horizontal load-bearing surface (11), and the mounting seat (20) is connected with the load-bearing surface (11) through at least one slide rail mechanism to be installed The seat (20) is arranged on the frame (10) to move left and right, and a first driving device for driving the mounting seat (20) to move left and right is provided on the frame (10). 2. An engraving and milling machine according to claim 1, characterized in that: the slide rail mechanism includes a guide rail (41) and at least one slider (42) slidably arranged on the guide rail (41), so One of the above-mentioned guide rails (41) and sliders (42) is arranged on the frame (10), and the other is arranged on the mounting base (20). The guide part is guided by sliding, and the guide part is located on the side wall of the guide rail (41). 3. An engraving and milling machine according to claim 2, characterized in that: the guide part is a guide groove (43) opened on the side wall of the guide rail (41). 4. An engraving and milling machine according to claim 1, characterized in that: the number of the load-bearing surfaces (11) is two, and one of the two load-bearing surfaces (11) is located behind and above the other, Each load-bearing surface (11) is respectively provided with a slide rail mechanism, and the two slide rail mechanisms are respectively connected to the front and rear of the mounting seat (20). 5. An engraving and milling machine according to claim 4, characterized in that: said first driving device comprises a first driving motor (71) and a first screw drive mechanism (72), said The first screw drive mechanism (72) is located between the two bearing surfaces (11). 6. An engraving and milling machine according to claim 1, characterized in that: a lifting seat (50) is slidably arranged on the mounting seat (20), and the lifting seat (50) is arranged on the mounting seat (20) ) driven by a second driving device to move up and down relative to the mounting base (20), and the processing spindle (30) is set on the lifting base (50). 7. An engraving and milling machine according to claim 6, characterized in that: the processing spindle (30) is rotatably set on the lifting seat (50), its rotation axis is parallel to the front and rear direction, and the lifting seat (50) ) is provided with a third drive device for driving the machining spindle (30) to rotate around its rotation axis. 8. An engraving and milling machine according to claim 6, characterized in that: the frame (10) is also provided with a servo tool magazine (60), and the servo tool magazine (60) includes A turntable (61) on (10) and several elastic clamps (62) arranged on the turntable (61), the cutter (80) can be detachably installed on the elastic clamp (62), the turntable (61) It is inclined at an angle with the horizontal plane and can rotate around its central axis. The tool (80) on the elastic clamp (62) at the bottom of the turntable (61) is longitudinal, and the processing spindle (30) can be moved along with the mounting seat ( 20) Move horizontally to align longitudinally with the tool (80) on the elastic clamp (62) at the bottom of the turntable (61), and move longitudinally with the lifting seat (50) to connect with the longitudinal tool (80). 9. An engraving and milling machine according to claim 1, characterized in that: the frame (10) is provided with a working platform (12) located below the machining spindle (30), and the working platform (12) ) is slidably arranged on the frame (10) and driven by a fourth driving device arranged on the frame (10) to move back and forth relative to the frame (10).