Adjustable engraving and milling machine

Abstract

The utility model relates to the technical field of engraving and milling machines, and discloses an adjustable engraving and milling machine, which adopts a split adjustable clamping assembly, the clamping assembly consists of a middle pedestal and side pedestals, and the two groups of side pedestals are movably arranged on the two sides of the middle pedestal through telescopic guide pillars; the middle pedestal and the side pedestals are movably mounted through cooperation of the guide groove blocks and the telescopic guide columns, and when workpieces are clamped and mounted, the mounting and supporting size of the pedestals can be flexibly adjusted through telescopic adjustment, so that the device can meet the clamping and mounting requirements of the workpieces of different sizes, the machining applicability and use flexibility of the engraving and milling machine are greatly improved, and the machining efficiency is improved. The driving milling head is rotatably installed on the front portion of the lifting plate base through the servo rotary table, the driving milling head is installed and driven through the servo rotary table, and axial deflection driving is added on the basis of original plane machining displacement driving, so that the device can conduct engraving and milling machining on non-horizontal plane structures such as inclined planes, oblique angles and inclined grooves. And the functionality and the processing flexibility of the device are greatly improved.

Description

Technical Field

[0001] This utility model relates to the field of engraving and milling machine technology, specifically an adjustable engraving and milling machine. Background Technology

[0002] CNC machine tools are short for numerical control machine tools, which are automated machine tools equipped with a program control system. Engraving and milling machines are a type of CNC machine tool. Engraving and milling machines are CNC milling machines that use small cutting tools, high-power and high-speed spindle motors. During operation, they engrave and process workpieces such as wood and stone in a numerical control manner. Compared with manual engraving, they have higher processing efficiency and processing accuracy. Engraving and milling machines can both engrave and mill, and are a type of high-efficiency and high-precision CNC machine tool, so they have been widely used.

[0003] During processing, the workpiece is fixedly installed through a clamping structure. The workpieces processed by the engraving and milling machine are mostly plate-shaped. In order to ensure the stability of the workpiece during clamping, the workpiece must be within the clamping area of ​​the clamping structure. The clamping structure of traditional engraving and milling machines is mostly fixed, which has high limitations on the size of the workpiece. Therefore, an adjustable engraving and milling machine is proposed. Utility Model Content

[0004] The purpose of this invention is to provide an adjustable engraving and milling machine to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an adjustable engraving and milling machine, including a frame mechanism and a processing mechanism. The frame mechanism includes a support base, a gantry bracket, a clamping assembly, a first motor, a second motor, and a third motor. The gantry bracket is vertically installed on the upper rear side of the support base, and the clamping assembly is longitudinally slidably installed on the upper part of the support base under the drive of the first motor.

[0006] The clamping assembly includes a central platform, side platforms, and telescopic guide columns. The side platforms are arranged in pairs, and the two sets of side platforms are movably installed on both sides of the central platform via the telescopic guide columns.

[0007] The machining mechanism includes a lifting plate base, a servo turntable, and a drive milling head. The lifting plate base is movably mounted on the upper part of the gantry bracket under the combined drive of the second motor and the third motor. The drive milling head is rotatably mounted on the front part of the lifting plate base via the servo turntable.

[0008] Preferably, guide groove blocks are provided on both ends of the central pedestal, and guide slots are provided on the mating sides of the side pedestals and the central pedestal. After installation, the guide groove blocks are slidably fitted into the inner side of the guide slots.

[0009] Preferably, one end of the telescopic guide post is fixedly installed to the side platform, the end of the middle platform is provided with a guide post insertion hole, the other end of the telescopic guide post is slidably inserted into the inner side of the guide post insertion hole, and a fastening bolt is installed in the screw hole opened at the upper part of the guide post insertion hole.

[0010] Preferably, the lower sides of the aforementioned side platform are fixedly equipped with platform sliding supports, and the middle of the support base is provided with a pair of platform sliding guide rails. The platform sliding supports are slidably fitted and supported on the upper part of the platform sliding guide rails. The first motor is fixedly installed on the upper rear side of the support base, and a drive screw is fixedly installed on the shaft end of the first motor. The bottom of the middle platform is fixedly installed with a platform drive screw seat, and the platform drive screw seat is threadedly installed to the drive screw through a screw hole.

[0011] Preferably, the upper crossbeam side of the gantry support is provided with a pair of transverse sliding guide rails, the rear of the lifting plate seat is provided with a transverse support, the rear of the transverse support is fixedly installed with a transverse sliding support, the transverse support is slidably supported on the upper part of the transverse sliding guide rail, the second motor is fixedly installed on the side of the gantry support, the shaft end of the second motor is fixedly installed with a drive screw, the rear of the transverse support is fixed with a transverse drive screw seat, and the transverse drive screw seat is threadedly installed with the drive screw through a screw hole.

[0012] Preferably, the rear of the aforementioned lifting plate base is provided with a pair of lifting sliding guide rails. The rear of the lifting plate base is vertically and slidably fitted into the front of the transverse support through the lifting sliding guide rails. The third motor is fixedly installed on the upper part of the transverse support. A drive screw is fixedly installed on the shaft end of the third motor. A lifting drive screw seat is fixedly installed on the rear of the lifting plate base. The lifting drive screw seat is threadedly installed to the drive screw through a screw hole.

[0013] Preferably, the rear of the servo turntable is fixedly installed to the front side of the lifting plate seat by bolts, the drive milling head is fixedly installed vertically on the front rotating drive side of the servo turntable by bolts, and a control panel is provided on the side of the gantry bracket.

[0014] Compared with the prior art, the present invention, by adopting the above technical solution, has the following technical effects:

[0015] This engraving and milling machine adopts a split adjustable clamping assembly, which consists of a central platform and side platforms. The central platform and side platforms are movably installed through guide slots and telescopic guide columns. When clamping and installing workpieces, the installation support dimensions of the platform can be flexibly adjusted by telescopic adjustment, so that the device can meet the clamping and installation requirements of workpieces of different sizes, greatly improving the processing applicability and usage flexibility of the engraving and milling machine. Furthermore, the servo turntable drives the milling head, adding axial deflection drive to the original planar machining displacement drive, enabling the device to perform engraving and milling of non-horizontal surface structures such as inclined planes, angles, and grooves, greatly improving the functionality and processing flexibility of the device. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the overall three-dimensional structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the overall front mounting structure of this utility model;

[0019] Figure 3 This is a three-dimensional structural diagram of the upper side of the clamping assembly in the unfolded state of this utility model.

[0020] Figure 4 This is a side perspective view of the clamping assembly in its unfolded state according to this utility model;

[0021] Figure 5 A schematic diagram of the front structure of the processing mechanism of this utility model;

[0022] Figure 6 This is a schematic diagram of the rear structure of the processing mechanism of this utility model.

[0023] Explanation of reference numerals in the attached drawings: 1. Support base; 2. Gantry bracket; 3. Clamping assembly; 4. First motor; 5. Second motor; 6. Third motor; 7. Central platform; 8. Side platform; 9. Guide slot block; 10. Telescopic guide column; 11. Fastening bolt; 12. Platform sliding support; 13. Platform sliding guide rail; 14. Platform drive screw seat; 15. Lifting plate seat; 16. Servo turntable; 17. Drive milling head; 18. Lateral sliding support; 19. Lateral sliding guide rail; 20. Lateral drive screw seat; 21. Lifting sliding guide rail; 22. Control panel. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] It should be noted that the structures, proportions, sizes, etc., shown in the accompanying drawings of this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed in the specification, and are not intended to limit the conditions under which this application can be implemented. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size should still fall within the scope of the technical content disclosed in this application, provided that they do not affect the effects and purposes that this application can produce.

[0026] Example

[0027] Please see Figure 1-6 This utility model provides a technical solution: an adjustable engraving and milling machine, including a frame mechanism and a processing mechanism. The frame mechanism includes a support base 1, a gantry bracket 2, a clamping assembly 3, a first motor 4, a second motor 5, and a third motor 6. The clamping assembly 3 is used for clamping and installing the workpiece. Under the drive of the first motor 4, the clamping assembly 3 is longitudinally slidably installed on the upper part of the support base 1. The clamping assembly 3 includes a central platform 7, side platforms 8, and telescopic guide posts 10, as shown in the attached figure. Figure 3 As shown, the side pedestals 8 are arranged in pairs. To improve the stability of the sliding connection, guide groove blocks 9 are provided on both ends of the middle pedestal 7. Guide slots are provided on the mating sides of the side pedestals 8 and the middle pedestal 7. After installation, the guide groove blocks 9 are slidably fitted into the inner side of the guide slots. Telescopic guide posts 10 are used for telescopic guidance of the side pedestals 8, as shown in the attached figure. Figure 4 As shown, one end of the telescopic guide post 10 is fixedly installed with the side platform 8, and the end of the middle platform 7 is provided with a guide post insertion hole. The other end of the telescopic guide post 10 is slidably inserted into the inner side of the guide post insertion hole. The two sets of side platforms 8 are movably installed on both sides of the middle platform 7 through the telescopic guide post 10. When clamping and installing workpieces, the installation support size of the platform can be flexibly adjusted by telescopic adjustment, so that the device can meet the clamping and installation requirements of workpieces of different sizes, which greatly improves the processing applicability and usage flexibility of the engraving and milling machine. In order to lock and limit the adjusted side platform 8, a fastening bolt 11 is installed in the screw hole opened at the upper part of the guide post insertion hole.

[0028] For support during sliding motion, see attached Figure 4As shown, sliding supports 12 are fixedly installed on both sides of the lower part of the side pedestal 8. A pair of sliding guide rails 13 are arranged in the middle of the support base 1. The sliding supports 12 are slidably fitted and supported on the upper part of the sliding guide rails 13. The first motor 4 is used for displacement driving of the pedestal structure, as shown in the attached diagram. Figure 2 As shown, the first motor 4 is fixedly installed on the upper rear side of the support base 1. A drive screw is fixedly installed on the shaft end of the first motor 4. A platform drive screw seat 14 is fixedly installed on the bottom of the middle platform 7. The platform drive screw seat 14 is threadedly installed to the drive screw through a screw hole.

[0029] The gantry bracket 2 is vertically mounted on the upper rear side of the support base 1 for supporting the machining mechanism. The machining mechanism includes a lifting plate 15, a servo turntable 16, and a drive milling head 17. For convenient movement and installation of the machining mechanism, see attached... Figure 2 As shown, a pair of transverse sliding guide rails 19 are provided on the upper crossbeam side of the gantry support 2. A transverse support is provided at the rear of the lifting plate seat 15. A transverse sliding support 18 is fixedly installed at the rear of the transverse support. The transverse support is slidably supported on the upper part of the transverse sliding guide rail 19 through the transverse sliding support 18. The second motor 5 is fixedly installed on the side of the gantry support 2. A drive screw is fixedly installed at the shaft end of the second motor 5. A transverse drive screw seat 20 is fixed at the rear of the transverse support. The transverse drive screw seat 20 is threadedly installed with the drive screw through the screw hole, which can complete the transverse displacement drive of the milling head 17.

[0030] To facilitate the lifting, moving, and installation of the processing mechanism, see attached... Figure 6 As shown, a pair of lifting sliding guide rails 21 are provided at the rear of the lifting plate seat 15. The rear of the lifting plate seat 15 is vertically slidably fitted with the front of the transverse support through the lifting sliding guide rails 21. The third motor 6 is fixedly installed on the upper part of the transverse support. A drive screw is fixedly installed on the shaft end of the third motor 6. A lifting drive screw seat is fixedly installed at the rear of the lifting plate seat 15. The lifting drive screw seat is threadedly installed with the drive screw through the screw hole, which can complete the lifting displacement drive of the milling head 17.

[0031] The drive milling head 17 is rotatably mounted on the front of the lifting plate base 15 via the servo turntable 16, as detailed in the attached document. Figure 5 As shown, the rear of the servo turntable 16 is fixedly installed to the front of the lifting plate seat 15 by bolts. The drive milling head 17 is fixedly installed vertically on the front rotary drive side of the servo turntable 16 by bolts. An axial deflection drive is added on the basis of the original planar machining displacement drive, so that the device can perform milling and engraving of non-horizontal surface structures such as inclined planes, angles, and grooves, which greatly improves the functionality and processing flexibility of the device. In order to set the parameters and control the operation of the equipment, a control panel 22 is provided on the side of the gantry bracket 2.

[0032] Working principle or structural principle: During processing, the clamping size of the clamping assembly 3 is adjusted according to the workpiece size. During adjustment, the side pedestals 8 on both sides of the central pedestal 7 are slid out by sliding and stretching, so that the end of the side pedestal 8 slightly exceeds the side size of the workpiece. Then, the side pedestals 8 are locked and limited by tightening the fastening bolts 11. The workpiece is then clamped and installed on the upper part of the pedestal. The processing parameters are then set through the operation control panel 22. The initial processing positioning between the drive milling head 17 and the workpiece is then completed by displacement adjustment. During processing, the drive milling head 17 moves laterally and vertically within the processing area under the combined drive of the second motor 5 and the third motor 6. With the longitudinal displacement drive of the workpiece by the first motor 4, the milling and engraving of any point on the upper plane of the workpiece can be completed. When it is necessary to perform inclined surface processing, the drive milling head 17 is deflected at a specific angle under the drive of the servo turntable 16. The milling and engraving of the inclined surface is then completed by the deflected drive milling head 17.

[0033] In summary, this engraving and milling machine adopts a split adjustable clamping assembly 3, which consists of a central platform 7 and a side platform 8. The central platform 7 and the side platform 8 are movably installed through guide slots 9 and telescopic guide columns 10. When clamping and installing workpieces, the installation support dimensions of the platform can be flexibly adjusted by telescopic adjustment, so that the device can meet the clamping and installation requirements of workpieces of different sizes, greatly improving the processing applicability and usage flexibility of the engraving and milling machine. Furthermore, the servo turntable 16 drives the drive milling head 17, adding axial deflection drive to the original planar processing displacement drive, enabling the device to perform engraving and milling of non-horizontal surface structures such as inclined planes, angles, and grooves, greatly improving the functionality and processing flexibility of the device.

[0034] Those skilled in the art will understand that the features described in the various embodiments and / or claims of this utility model can be combined or combined in various ways, even if such combinations or combinations are not explicitly described in this utility model. In particular, the features described in the various embodiments and / or claims of this utility model can be combined or combined in various ways without departing from the spirit and teachings of this utility model. All such combinations and / or combinations fall within the scope of this utility model.

Claims

1. An adjustable engraving and milling machine, comprising a frame mechanism and a processing mechanism, characterized in that: The frame mechanism includes a support base (1), a gantry bracket (2), a clamping assembly (3), a first motor (4), a second motor (5), and a third motor (6). The gantry bracket (2) is vertically installed on the upper rear side of the support base (1), and the clamping assembly (3) is longitudinally slidably installed on the upper part of the support base (1) under the drive of the first motor (4). The clamping assembly (3) includes a central platform (7), side platforms (8) and telescopic guide posts (10). The side platforms (8) are arranged in pairs, and the two sets of side platforms (8) are movably installed on both sides of the central platform (7) through the telescopic guide posts (10). The processing mechanism includes a lifting plate seat (15), a servo turntable (16), and a drive milling head (17). The lifting plate seat (15) is movably installed on the upper part of the gantry bracket (2) under the combined drive of the second motor (5) and the third motor (6). The drive milling head (17) is rotatably installed on the front part of the lifting plate seat (15) through the servo turntable (16).

2. The adjustable engraving and milling machine according to claim 1, characterized in that: The two ends of the central pedestal (7) are provided with guide groove blocks (9), and the side pedestal (8) and the central pedestal (7) are provided with guide slots. After installation, the guide groove blocks (9) are slidably fitted into the inner side of the guide slots.

3. An adjustable engraving and milling machine according to claim 2, characterized in that: One end of the telescopic guide post (10) is fixedly installed on the side platform (8), and the end of the middle platform (7) is provided with a guide post insertion hole. The other end of the telescopic guide post (10) is slidably inserted into the inner side of the guide post insertion hole, and a fastening bolt (11) is installed in the screw hole opened at the upper part of the guide post insertion hole.

4. An adjustable engraving and milling machine according to claim 3, characterized in that: The lower sides of the side platform (8) are fixedly installed with platform sliding supports (12). The middle part of the support base (1) is provided with platform sliding guide rails (13) in pairs. The platform sliding supports (12) are slidably fitted and supported on the upper part of the platform sliding guide rails (13). The first motor (4) is fixedly installed on the upper rear side of the support base (1). The shaft end of the first motor (4) is fixedly installed with a drive screw. The bottom of the middle platform (7) is fixedly installed with a platform drive screw seat (14). The platform drive screw seat (14) is threadedly installed with the drive screw through a screw hole.

5. An adjustable engraving and milling machine according to claim 1, characterized in that: The upper crossbeam side of the gantry support (2) is provided with a pair of transverse sliding guide rails (19). The rear of the lifting plate seat (15) is provided with a transverse support. The rear of the transverse support is fixedly installed with a transverse sliding support (18). The transverse support is slidably supported on the upper part of the transverse sliding guide rail (19) through the transverse sliding support (18). The second motor (5) is fixedly installed on the side of the gantry support (2). The shaft end of the second motor (5) is fixedly installed with a drive screw. The rear of the transverse support is fixed with a transverse drive screw seat (20). The transverse drive screw seat (20) is threadedly installed with the drive screw through a screw hole.

6. An adjustable engraving and milling machine according to claim 5, characterized in that: The rear of the lifting plate seat (15) is provided with a pair of lifting sliding guide rails (21). The rear of the lifting plate seat (15) is vertically slidably fitted with the front of the transverse support through the lifting sliding guide rails (21). The third motor (6) is fixedly installed on the upper part of the transverse support. The shaft end of the third motor (6) is fixedly installed with a drive screw. The rear of the lifting plate seat (15) is fixedly installed with a lifting drive screw seat. The lifting drive screw seat is threadedly installed with the drive screw through a screw hole.

7. An adjustable engraving and milling machine according to claim 6, characterized in that: The rear of the servo turntable (16) is fixedly installed to the front of the lifting plate seat (15) by bolts. The drive milling head (17) is fixedly installed vertically on the front rotating drive side of the servo turntable (16) by bolts. The side of the gantry bracket (2) is provided with a control panel (22).

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