CN110228317B

CN110228317B - A vertical engraving machine

Info

Publication number: CN110228317B
Application number: CN201910344486.3A
Authority: CN
Inventors: 吴善旺
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-26
Filing date: 2019-04-26
Publication date: 2025-02-25
Anticipated expiration: 2039-04-26
Also published as: CN110228317A

Abstract

The invention provides a vertical engraving machine, and belongs to the technical field of machining equipment. It has solved the problem how to improve the sculpture precision. The vertical engraving machine comprises a frame, a cutter frame and a mounting seat, wherein the frame comprises a base and a three-dimensional moving frame which is arranged above the base and is used for mounting the cutter frame, at least two sliding rails which are arranged in parallel are fixed on the base, the three-dimensional moving frame is of a frame structure which is integrally columnar and is vertically arranged, the width direction of the three-dimensional moving frame is consistent with the direction of the sliding rails, two sliding blocks are respectively fixed on two sides of the bottom of the three-dimensional moving frame, the sliding blocks are in sliding connection with the corresponding sliding rails, and the mounting seat is fixed relative to the base and is positioned at one end of the sliding rails. Through the design, during processing, the three-dimensional moving frame moves horizontally and longitudinally with the cutter, and the mounting seat is fixed, so that the problem that the engraving accuracy is affected due to inaccurate clamping and positioning caused by unstable workpiece movement is avoided, and the engraving accuracy of the engraving machine is improved.

Description

Vertical engraving machine

Technical Field

The invention belongs to the technical field of machining equipment, and relates to a vertical engraving machine.

Background

The engraving is combined processing of drilling and milling in principle, has wide application range, and comprises a woodworking engraving machine, a laser engraving machine, an advertisement engraving machine, a jade engraving machine, a stone engraving machine, a cylinder engraving machine and the like, and the engraving machine has wide application range and even replaces a manual engraving technology, thereby laying a foundation for mass rapid production of products. The engraving machine is divided into a vertical engraving machine and a horizontal engraving machine, wherein the vertical engraving machine mainly performs engraving on a columnar workpiece which is vertically arranged.

As disclosed in chinese patent No. 201520260602.0, a large-sized vertical five-axis numerical control engraving device includes a machine body, an engraving tool for engraving, an engraving tool rest for mounting the engraving tool, and a controller for controlling the operation of the large-sized vertical five-axis numerical control engraving device, wherein the large-sized vertical five-axis numerical control engraving device is provided with a left-right adjusting device for pushing the engraving tool rest to move left and right, and an up-down adjusting device for pushing the engraving tool rest to move up and down. The position can be adjusted in the vertical direction and the left-right direction of the graver of the large-scale vertical five-axis numerical control engraving equipment, the graver can be rotated, and the rotary platform can move back and forth, so that the front-back position adjustment of the artwork is convenient, and engraving is convenient.

However, in the actual machining process, because the overall size of the columnar workpiece is larger and the weight is heavier, when the rotary platform moves forwards and backwards, the clamped workpiece is easy to shake, so that the position after clamping and positioning is inaccurate, and the engraving precision is reduced.

The technical means commonly used in the prior art are to generally avoid the problem that the engraving precision of a workpiece is influenced because the workpiece is positioned unstably when the rotary platform moves by strengthening the clamping and positioning of the workpiece, or directly design the rotary platform to be fixed to avoid the problem that the engraving precision is reduced because the workpiece moves, for example, a large environment-friendly vertical multifunctional three-dimensional numerical control engraving machine disclosed in China patent [ 201410077893.X ] improves the prior large engraving machine, increases the feeding amount of the Z-axis engraving distance from a central shaft, replaces the front-back movement feeding with a Y-beam, and moves the Z feeding stroke within the width of a stand column, thereby avoiding the problem that the engraving precision is reduced because the rotary platform moves. However, the design requires that the width of the machine frame of the horizontal and longitudinal sliding rail matched with the Y cross beam is enough, so that the whole gantry machine frame needs to be large, the manufacturing cost of the machine is greatly increased, on the other hand, the width of the Y cross beam in the horizontal and longitudinal direction is narrow, so that the sliding fit area of two ends of the Y cross beam and the sliding rail in the horizontal and longitudinal direction is limited, the vibration caused by the rotation of a cutter is influenced, the unstable sliding of the horizontal and longitudinal dimension easily occurs, the engraving precision is influenced, and meanwhile, the Y cross beam is hung on the horizontal and longitudinal sliding rail, the horizontal and transverse length is long, and the horizontal and longitudinal dimension movement is unstable due to the influence of the vertical and longitudinal shearing force, so that the engraving precision is influenced.

Disclosure of Invention

The invention aims at solving the problems in the prior art, and provides a vertical engraving machine, which solves the technical problem of how to improve engraving accuracy.

The vertical engraving machine is characterized in that the machine frame comprises a base and a three-dimensional moving frame which is arranged above the base and is used for installing the cutter frame, at least two sliding rails which are arranged in parallel are fixed on the base, the three-dimensional moving frame is of a frame structure which is integrally columnar and is vertically arranged, the width direction of the three-dimensional moving frame is consistent with the direction of the sliding rails, two sliding blocks are respectively fixed on two sides of the bottom of the three-dimensional moving frame, the sliding blocks are in sliding connection with the corresponding sliding rails, and the installation seat is fixed relative to the base and is positioned at one end of the sliding rails.

The vertical engraving machine is used for engraving vertical columnar workpieces which are large in overall size, heavy in weight and vertically arranged, and the workpieces are clamped and positioned on the mounting seats during processing. In the engraving machine, the machine frame is designed into a base and a three-dimensional moving frame for installing a cutter frame in a split mode, the three-dimensional moving frame and the base are in sliding connection through the matching of a sliding rail and a sliding block, wherein a mounting seat is positioned at one end of the sliding rail, is relatively fixed and is positioned in the length direction of the sliding rail, so that the three-dimensional moving frame can move towards the position of the mounting seat with the cutter frame, and the requirement of a cutter head on the cutter frame on engraving a workpiece on the mounting seat is met; according to the analysis, the mounting seat for clamping large-size and heavy-weight workpieces is not moved, but the whole three-dimensional moving frame moves towards the position of the mounting seat with the tool frame for mounting the tool bit, so that the problem that the engraving precision is affected due to inaccurate clamping and positioning caused by unstable movement of the workpieces is avoided, and meanwhile, due to the fact that the three-dimensional moving frame is of a frame structure which is integrally columnar and vertically arranged, the whole structure of the three-dimensional moving frame is stable, the structure design ensures that the three-dimensional moving frame has enough matching area in the length direction of a sliding rail when being in sliding fit with the base, the matched position is positioned at the bottom end of the three-dimensional moving frame and is closer to the ground, the three-dimensional moving frame is enabled to be very stable and reliable when being longitudinally moved on the base with the tool frame, the tool frame is further combined with the tool frame to be relatively light and not easily affected by the whole movement, the engraving precision of the engraving machine is greatly improved, and meanwhile, when two sliding blocks are respectively fixed at the two sides of the bottom of the three-dimensional moving frame, namely, the base and the three-dimensional moving frame are matched through the structure design of the three-dimensional moving frame when four sliding blocks are adopted, the engraving precision of the engraving machine can be further improved by ensuring that the three-dimensional moving frame and the base are matched with each other and ensuring enough matching area and balance of the three-dimensional moving frame, so that the three-dimensional moving frame can move more stably, and engraving precision of the engraving machine can be further improved, or when two sliding bars are respectively fixed on two sides of the bottom of the three-dimensional moving frame, namely, two sliding bars are matched between the base and the three-dimensional moving frame, through the structural design of the three-dimensional moving frame, the design of the long enough strip-shaped sliding blocks is matched, and the sufficient matching area of the three-dimensional moving frame and the base is ensured, so that the three-dimensional moving frame can move more stably in the horizontal and longitudinal directions, and the engraving precision of the engraving machine can be further improved once.

In the vertical engraving machine, the base is of a flat frame structure, and the two sliding rails are respectively positioned on the upper side surfaces of the two side edges of the base. The base is used as a base when the three-dimensional moving frame horizontally and longitudinally moves, the overall height of the three-dimensional moving frame can be reduced by adopting the design of the flat frame structure, so that the moving stability of the three-dimensional moving frame is improved, and the engraving precision of the engraving machine is improved. In addition, through design two slide rails on the base, and two slide rails are arranged in the upside of base, and the slider is fixed on the bottom surface of three-dimensional removal frame, through the support of base for the three-dimensional removal frame is difficult for deformation through slider and slide rail sliding fit's slide rail like this, thereby has guaranteed that three-dimensional removal frame can take the tool holder to stably slide, and then is favorable to improving the sculpture precision of engraver.

In the vertical engraving machine, the width of the three-dimensional moving frame is smaller than the width of the base in the length direction of the sliding rail. Compared with the scheme that the gantry frame is not moved and the cross beam moves in the prior art, the sliding split design of the base and the three-dimensional moving frame can enable the three-dimensional moving frame to be designed to be smaller, and cost saving is facilitated.

In the vertical engraving machine, the cutter frame is connected to the three-dimensional moving frame and can move in the vertical and horizontal transverse directions relative to the three-dimensional moving frame, and the sliding rail is arranged along the horizontal and longitudinal directions. The tool rack is connected to the three-dimensional moving rack and can move in the vertical and horizontal transverse directions relative to the three-dimensional moving rack, and the three-dimensional moving rack is arranged through the sliding rail and is in sliding connection with the base along the horizontal and longitudinal directions, so that the tool rack can move in the vertical, horizontal and transverse directions, and the requirements of three-dimensional machining carving of tool bits on the tool rack on workpieces are met.

In the vertical engraving machine, the three-dimensional moving frame comprises a frame body and a cross beam which is connected to the frame body in a sliding mode and can move vertically, the cutter frame is connected to the cross beam in a sliding mode and can slide horizontally and transversely, and alternatively, the three-dimensional moving frame comprises a frame body and a vertical supporting plate which is connected to the frame body in a sliding mode and can move horizontally and transversely, and the cutter frame is connected to the vertical supporting plate in a sliding mode and can slide vertically. The components such as the transverse joist, the vertical supporting plate, the cutter frame and the like can slide in a way of matching with the guide rail sliding blocks. Specifically, be fixed with vertical guide rail on the support body, crossbeam and vertical guide rail sliding connection and through driving piece one drive, be fixed with horizontal guide rail on the crossbeam, with horizontal guide rail sliding connection and through driving piece two drives on the tool holder, have the cantilever on the tool holder, be equipped with tool bit and gear motor on the cantilever, the tool bit passes through gear motor drive rotation, and above-mentioned driving piece all can adopt driving piece drive slip such as cylinder, hydro-cylinder, lead screw motor.

In the vertical engraving machine, the three-dimensional moving frame slides relative to the base under the drive of the driving device, and the driving device is a driving air cylinder, a hydraulic cylinder or a screw motor. The driving cylinder or the driving oil cylinder can fix the piston rod on the three-dimensional moving frame for driving the three-dimensional moving frame to slide, and the screw rod motor can be matched with the screw rod by fixing the screw nut on the three-dimensional moving frame, so that the screw rod motor can drive the three-dimensional moving frame to slide.

In the vertical engraving machine, the mounting seats are arranged at one end of the base in parallel and connected through the connecting piece, or the mounting seats are directly fixed at one end of the base, or the mounting seats and the base are arranged separately and positioned at one end of the base, the mounting seats are provided with the workbench, and the workbench is driven to rotate through the rotating motor. The three arrangement modes are adopted according to production requirements in the arrangement of the mounting seat and the base, and in addition, the workbench is matched with the positioning structure to enable the workpiece to be vertically clamped and positioned and simultaneously rotate circumferentially.

Compared with the prior art, the vertical engraving machine has the following advantages:

1. According to the vertical engraving machine, the machine frame is designed into the base and the three-dimensional moving frame which is in sliding connection with the base in a split mode, and when the vertical engraving machine is used for processing, the three-dimensional moving frame moves horizontally and longitudinally along with the cutter, and the mounting seat is fixed, so that the problem that engraving accuracy is affected due to inaccurate clamping and positioning caused by unstable workpiece movement is avoided, and the engraving accuracy of the engraving machine is improved;

2. The three-dimensional moving frame in the vertical engraving machine is of a frame structure which is integrally columnar and vertically arranged, and the base is of a flat frame structure, so that the three-dimensional moving frame can move stably and reliably with the cutter frame due to the structural design, and the engraving precision of the engraving machine is greatly improved;

3. the three-dimensional moving frame and the base in the vertical engraving machine are designed in a split sliding way, and the three-dimensional moving frame can be designed in a miniaturized way, so that the manufacturing cost is saved.

Drawings

Fig. 1 is a schematic view of a vertical engraving machine according to a first embodiment.

Fig. 2 is a schematic structural view of the slider arrangement in the present vertical engraving machine.

Fig. 3 is a schematic structural diagram of a vertical engraving machine in the second embodiment.

Fig. 4 is a schematic structural view of a vertical engraving machine in the third embodiment.

Fig. 5 is a schematic diagram of a vertical engraving machine in the fourth embodiment.

Fig. 6 is a schematic view of a single column positioning structure in the vertical engraving machine.

Fig. 7 is a schematic diagram of a vertical engraving machine in the fourth embodiment.

Fig. 8 is a schematic diagram III of the vertical engraving machine in the fourth embodiment.

Fig. 9 is a schematic structural view of a stage portion in the fifth embodiment.

Fig. 10 is an enlarged view of a partial structure at fig. 9A.

Fig. 11 is a schematic sectional view of a stage portion in the fifth embodiment.

Fig. 12 is a partial structure enlarged view at fig. 11B.

1, A frame, 1a, a base, 1b, a three-dimensional moving frame, 1b1, a frame body, 1b11, a rectangular bottom frame, 1b12, a column, 1b13, a reinforcing frame, 2, a tool holder, 2a, a cantilever, 2a1, a tool bit, 2a2, a gear motor, 2b, a saw blade, 2c, a drill bit, 3, a mounting seat, 3a, a horizontal plate, 4, a sliding rail, 5, a sliding block, 6, a transverse supporting beam, 7, a workbench, 71, a turntable, 7a, a driven gear, 7b, a driving gear, 8, a rotating motor, 9, a speed reducer, 10, a connecting piece, 11, a vertical guide rail, 12, a driving piece I, 13, a transverse guide rail, 14, a driving piece II, 15, a sliding sleeve part, 16, a mounting plate, 17, a driving piece III, 18, a mounting table, 19, a lifting block, 20, a guide rod, 21, a horizontal guide rod, 22, 23, a driving piece IV, 24, a mounting post, 25, a positioning frame, 26, a positioning block, 27, a supporting plate, 271, a sleeve, 272, a push block 273, a sliding plate, 274, a sliding plate, and a.

Detailed Description

The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.

Embodiment one:

Specifically, as shown in fig. 1, in this embodiment, the engraving machine is a five-axis vertical engraving machine, which comprises a frame 1, a tool rest 2 and a mounting seat 3 for clamping a vertical workpiece, wherein a workbench 7 is arranged on the mounting seat 3, the workbench 7 is of a turntable structure, and the workbench 7 is driven by a rotating motor 8. The frame 1 comprises a base 1a and a three-dimensional moving frame 1b arranged above the base 1a, wherein the base 1a is of a flat frame structure, the three-dimensional moving frame 1b is of a frame structure which is integrally columnar and vertically arranged, and the length of the three-dimensional moving frame 1b in the horizontal longitudinal direction is smaller than that of the base 1a in the horizontal longitudinal direction. The mounting seats 3 are arranged at one end of the base 1a in parallel and connected through a connecting piece 10, and are fixed relative to the base 1a, and the connecting piece 10 can be in a plate-shaped structure, a rod-shaped structure, a bracket structure or a tubular beam structure.

More specifically, the stereoscopic moving frame 1b includes a frame body 1b1, the frame body 1b1 including a rectangular bottom frame 1b11, upright posts 1b12 fixed at four corners of the rectangular bottom frame 1b11, and reinforcing frames 1b13 connected between the upright posts 1b 12. The vertical guide rail 11 is fixed on the frame body 1b1, the transverse supporting beam 6 is in sliding connection with the vertical guide rail 11 and driven by a first driving piece 12, the transverse guide rail 13 is fixed on the transverse supporting beam 6, the cutter frame 2 is in sliding connection with the transverse guide rail 13 and driven by a second driving piece 14, the cutter frame 2 is provided with a cantilever 2a, the cantilever 2a is provided with a cutter head 2a1 and a gear motor 2a2, and the cutter head 2a1 is driven to rotate by the gear motor 2a 2. In this embodiment, the driving member is a screw motor. Alternatively, the three-dimensional moving frame 1b may also include a frame body 1b1 and a vertical support plate slidably connected to the frame body 1b1 and capable of moving horizontally and laterally, and the tool holder 2 is slidably connected to the vertical support plate and capable of sliding vertically. The frame body 1b1 includes a rectangular frame at the bottom, and upright posts around the rectangular frame, and reinforcing frames in the upright posts. The bottom end of the three-dimensional moving frame 1b is connected on the base 1a in a sliding way along the horizontal and longitudinal directions. The three-dimensional moving frame 1b slides relative to the base 1a under the drive of a driving device, and can move to the upper part of the mounting seat 3 with the tool frame 2, wherein the driving device is a driving air cylinder, a hydraulic cylinder or a screw motor.

More specifically, in the present embodiment, two slide rails 4 are fixed on the base 1a, and the two slide rails 4 are respectively located on the upper side surfaces of the two side edges of the base 1a. The three-dimensional moving frame 1b is in sliding connection with the slide rail 4 through a slide block 5. The sliding blocks 5 are fixedly connected to the bottom surface of the three-dimensional moving frame 1b, and are arranged in a mode that the width direction of the three-dimensional moving frame 1b is consistent with the length direction of the sliding rails 4 as shown in fig. 2, and each sliding rail 4 is connected with two sliding blocks 5 which are arranged at intervals along the width direction of the three-dimensional moving frame 1b in a sliding manner.

In addition, the engraving machine can adopt a single-column positioning structure or a double-column positioning structure to assist in positioning the workpiece. The single-column positioning structure comprises a mounting table 18, four guide rods 20 which are rectangular in distribution are fixed on the mounting table 18, lifting blocks 19 are connected to the guide rods 20 in a sliding mode, the lifting blocks 19 are driven by driving pieces such as air cylinders/hydraulic cylinders/screw motors and the like, horizontal guide rods 21 which are horizontally and transversely arranged are fixed on the lifting blocks 19, positioning blocks 22 provided with tips 26 are connected to the horizontal guide rods 21 in a sliding mode, the positioning blocks 22 are driven by driving pieces four 23, in the embodiment, the driving pieces four 23 are screw motors, of course, the driving pieces four 23 can also adopt driving pieces such as air cylinders or hydraulic cylinders and the like, or a double-column positioning structure is arranged between the mounting table 3 and the frame 1, the double-column positioning structure comprises mounting columns 24 which are positioned on the left side and the right side of the mounting table 3 and positioning frames 25 which are positioned above the mounting table 3 and are horizontally arranged, the positioning frames 25 are connected with the mounting columns 24 in a sliding mode and can vertically slide, and the positioning frames 25 can be driven by driving pieces such as air cylinders/hydraulic cylinders/screw motors and the tips 26 are arranged in the middle of the positioning frames 25.

Embodiment two:

The technical scheme in this embodiment is basically the same as that in the first embodiment, except that in this embodiment, as shown in fig. 3, the mount 3 is directly fixed on one end of the base 1 a.

Embodiment III:

The technical scheme in this embodiment is basically the same as that in the first embodiment, except that in this embodiment, as shown in fig. 4, the mounting base 3 is separately arranged from the base 1a and is located at one end of the base 1 a.

Embodiment four:

The technical solution in this embodiment is basically the same as that in the first embodiment, and is different in that, as shown in fig. 5, 7 and 8, in this embodiment, the three-dimensional moving frame 1b includes two upright posts 1b12, the outer sides of the upright posts 1b12 in the left-right direction are fixed with vertical guide rails 11 arranged vertically, two ends of the cross beam 6 are respectively provided with rectangular frame-shaped sliding sleeve portions 15, the two sliding sleeve portions 15 are respectively located in the extending directions of the two ends of the cross beam 6 and are respectively sleeved on the corresponding upright posts 1b12, and the inner sides of each sliding sleeve portion 15 are respectively fixed with a guide block in sliding connection with the vertical guide rails 11. The upper side of the cross beam 2 is slidably connected with a mounting plate 16 capable of sliding horizontally and transversely, and the cutter frame 2 is fixedly connected with the mounting plate 16. The upper side surface of the transverse joist 2 is fixedly provided with a transverse guide rail 13 which is horizontally and transversely arranged, a mounting plate 16 is in sliding connection with the transverse guide rail 13 and is driven by a driving piece III 17 which is driven by a driving piece such as an air cylinder/hydraulic cylinder/screw motor, and the front end and the rear end of the cutter frame 2 are respectively provided with a saw blade 2b and a drill bit 2c. According to the structural analysis, the vertical sliding rail 11 of the engraving machine is far away from the processing area where the front side mounting seat 3 of the three-dimensional moving frame 1b is located, the dustproof effect is good, most of chips can be prevented from entering the vertical sliding rail 11, so that the abrasion problem caused by the entering of the chips is reduced, the engraving accuracy of the engraving machine is not easy to be reduced after a long time, meanwhile, two ends of the transverse supporting beam 6 are sleeved on the upright posts 1b12 through the sliding sleeve parts 15, and the sliding sleeve parts 15 are designed in the straight extending direction of the strip-shaped transverse supporting beam 6, so that the position relation between the transverse supporting beam 6 and two upright posts is not deviated to one side in the front-rear direction, the matched vertical sliding rail 11 is positioned outside the upright posts 1b12, the guide block is positioned inside the sliding sleeve parts 15, that is, any one of the positions of the upright posts 1b12 and the transverse supporting beam 6 can deviate from the vertical plane where the three sides are located, and thus the engraving accuracy of the engraving machine is not easy to be maintained. The sliding sleeve 15 is a ring-shaped structure including a square frame, a circular sleeve, or another ring-shaped structure surrounded by a ring or partially notched.

Fifth embodiment:

In this embodiment, as shown in fig. 9 to 12, a driven gear 7a is fixed on the workbench 7, the engraving machine further includes a driving gear 7b meshed with the driven gear 7a, a platform rail a is horizontally disposed below the workbench 7, a driving component is slidably disposed on the platform rail a, the driving gear 7b is connected to an output end of the driving component, and a thrust mechanism capable of enabling the driving component to slide along the platform rail a so that the driving gear 7b is pressed on the driven gear 7a is disposed on the mounting base 3. The platform guide rail a is arranged below the workbench 7, so that the influence of scraps, dust and the like on sliding parts can be reduced as much as possible, the machining precision is ensured, meanwhile, the driving gear 7b is pressed on the driven gear through the thrust of the thrust mechanism, so that the gap between teeth of the driving gear 7b and the driven gear 7a can be eliminated, the transmission precision is ensured, and further, the machining precision is improved, compared with the existing method that the mounting precision between the driving gear 7b and the driven gear 7a is improved to ensure the precise matching, the requirement on the mounting precision is too high when the dismounting and the overhaul is caused, and the overhaul convenience is influenced, the driving assembly is in sliding arrangement, the driving gear 7b is pushed and pressed on the driven gear 7a through the thrust mechanism, the thrust of the thrust mechanism is released when the dismounting is carried out, the mounting position of the driving gear 7b is not required to be adjusted when the dismounting, the application only needs to apply the thrust mechanism on the driving component, so the maintenance and cleaning are more convenient, and the application is more convenient to maintain and clean than the existing gears, the rack is in a strip shape and can be pressed on any position of the rack by the elastic piece, the elastic piece only needs to generate component force perpendicular to the rack, namely, the requirements on the pressing position of the gears and the direction of acting force are lower, the application is that the two gears are meshed, the acting force direction of the driving gear 7b on the driven gear 7a is unbalanced when deviating from the center line of the driven gear 7a, the precision in the long-term use is influenced, therefore, the application sets the platform guide rail in advance, the direction of the platform guide rail can be controlled accurately, the sliding direction of the driving gear 7b is controlled accurately by the platform guide rail a, namely, the acting force direction of the driving gear 7b on the driven gear 7a is controlled accurately, therefore, the position of the driving gear 7b does not need to be adjusted in the subsequent disassembly and assembly overhaul process, so that overhaul and cleaning are more convenient.

More specifically, the table 7 includes a turntable 71 rotatably provided on the mount 3, and a driven gear 7a is located below the turntable 71 and fixed to the lower side surface of the turntable 71, and a driving gear 7b moves below the turntable 71 and meshes with the driven gear 7a under the thrust of the thrust mechanism. During processing, a large amount of scraps, dust and the like can be generated, the driving gear 7b and the driven gear 7a are meshed below the turntable 71, the scraps, dust and the like can be prevented from interfering with the transmission, further the processing precision is guaranteed, and the platform guide rail a, the driving assembly and the platform guide rail a are arranged in a sliding manner, so that the driving gear 7b below the turntable 71 can be moved to the outer side of the turntable 71, and the overhaul and the cleaning are convenient.

One end of the platform rail a is located below the turntable 71, and the other end of the platform rail a protrudes from below the turntable 71. The platform guide rail a is parallel to the perpendicular connection line of the central line of the driving gear 7b and the central line of the driven gear 7a, so that the acting force of the driving gear 7b on the driven gear 7a faces the center of the driven gear 7a, the driven gear 7a is balanced in stress, and the machining precision in the long-term use process is ensured. In addition, in the embodiment, two platform guide rails a are provided, and the two platform guide rails a are symmetrically arranged at two sides of a perpendicular connection line between the central line of the driving gear 7b and the central line of the driven gear 7a, and the thrust mechanism is arranged between the two platform guide rails a. The two platform guide rails a are more symmetrical and uniform in supporting the driving assembly and the driving gear 7b, so that the transmission precision of the driving gear 7b meshed with the driven gear 7a is higher, and the machining precision is further improved.

The two platform guide rails a are slidably connected with a sliding plate a1, the driving assembly is arranged on the upper side surface of the sliding plate a1, the thrust mechanism comprises a thrust spring 274, the driven gear 7a is positioned between the driving gear 7b and the thrust spring 74, the thrust spring 274 is parallel to the platform guide rails a, one end of the thrust spring 274 acts on the driving assembly or the sliding plate a1, and the other end acts on the mounting seat 3. The sliding plate a1 stably supports the driving assembly, and the thrust spring 274 can be one or more, is parallel to the platform guide rail a, and can generate thrust along the length direction of the platform guide rail a, so that the driving gear 7b stably abuts against the driven gear 7a, and the precision is improved. The mounting seat 3 is further vertically fixed with an abutting plate 27, the abutting plate 27 is fixed with a limiting sleeve 271, the limiting sleeve 271 is axially arranged along the length direction of the platform guide rail a, a pushing block 272 is slidably arranged in the limiting sleeve 271, an adjusting bolt 273 is further screwed onto the abutting plate 27, the end portion of the adjusting bolt 273 stretches into the limiting sleeve 271, the other end of a thrust spring 274 stretches into the limiting sleeve 271 and abuts against the pushing block 272, and the pushing block 272 abuts against the end portion of the adjusting bolt 273 under the action of the thrust spring 274. As an alternative, the two platform guide rails a are slidably connected with a sliding plate a1, the driving assembly is fixed on the upper side surface of the sliding plate a1, the thrust mechanism comprises a thrust cylinder, the thrust cylinder is fixed on the mounting seat 3, the driven gear 7a is positioned between the driving gear 7b and the thrust cylinder, the pushing cylinder is longitudinally arranged, and a piston rod of the thrust cylinder abuts against the driving assembly or the sliding plate a 1. The thrust cylinder, as a kind of gas spring, can generate stable thrust to the driven gear 7a, so that the transmission accuracy of the driving gear 7b and the driven gear 7a is ensured.

In this embodiment, the mounting base 3a includes two horizontally disposed mounting horizontal plates 3a, and one mounting plate 3a is higher than the other mounting plate 3a, the turntable 71 is rotatably disposed on the higher mounting plate 3a, the platform guide rail a and the thrust mechanism are disposed on the lower mounting plate 3a, and one ends of the two platform guide rails a extend into the lower side of the higher mounting plate 3 a. The driving assembly comprises a rotating motor 81 and a speed reducer 9, the speed reducer 9 is arranged on the platform guide rail a in a sliding mode, the rotating motor 81 is connected with the input end of the speed reducer 9, and the driving gear 7b is fixed at the output end of the speed reducer 9.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although terms such as the frame 1, the base 1a, the stereoscopic moving frame 1b, the frame body 1b1, the rectangular bottom frame 1b11, the column 1b12, the reinforcement frame 1b13, the tool frame 2, the cantilever 2a, the tool bit 2a1, the gear motor 2a2, the saw blade 2b, the drill bit 2c, the mount 3, the horizontal plate 3a, the slide rail 4, the slider 5, the cross beam 6, the table 7, the turntable 71, the driven gear 7a, the driving gear 7b, the rotating motor 8, the speed reducer 9, the connecting member 10, the vertical rail 11, the first driver 12, the lateral rail 13, the second driver 14, the slide sleeve 15, the mounting plate 16, the third driver 17, the mount 18, the lifting block 19, the guide rod 20, the horizontal guide rod 21, the positioning block 22, the fourth driver 23, the mounting post 24, the positioning frame 25, the tip 26, the abutment plate 27, the spacer 271, the push block 272, the adjusting bolt 273, the thrust spring 274, the table rail a, the slide plate a1, and the like are used herein, the other terms are not excluded. These terms are only used to more conveniently describe and explain the nature of the invention and should be construed in a manner consistent with their spirit and scope.

Claims

1. A vertical engraving machine comprises a frame (1), a cutter frame (2) and a mounting seat (3), and is characterized in that the frame (1) comprises a base (1 a) and a three-dimensional moving frame (1 b) which is arranged above the base (1 a) and is used for mounting the cutter frame (2), two parallel-arranged sliding rails (4) are fixed on the base (1 a), the two sliding rails (4) are respectively positioned on the upper side surfaces of two side edges of the base (1 a), the three-dimensional moving frame (1 b) is of a frame structure which is integrally columnar and vertically arranged, the width direction of the three-dimensional moving frame (1 b) is consistent with the direction of the sliding rails (4), two sliding blocks (5) are respectively fixed on two sides of the bottom of the three-dimensional moving frame (1 b), the sliding blocks (5) are in sliding connection with the corresponding sliding rails (4), the mounting seat (3) is fixed relative to the base (1 a) and is positioned at one end of the sliding rails (4), the cutter frame (2) is connected to the three-dimensional moving frame (1 b) and can be horizontally arranged relative to the three-dimensional moving frame (1 b) and can be horizontally arranged on the sliding rails (4), the single-dimensional moving frame (1 b) is horizontally arranged on the four sides of the single-dimensional moving frame (1) and the single-dimensional moving frame (2) is arranged on the single-dimensional moving frame (2) and the single-dimensional moving frame (2), the single-vertical engraving machine comprises a single-stage horizontal engraving machine is arranged on the single-stage (18), the guide rod (20) is connected with a lifting block (19) in a sliding manner, a horizontal guide rod (21) which is horizontally and transversely arranged is fixed on the lifting block (19), a positioning block (22) which is provided with a center (26) is connected to the horizontal guide rod (21) in a sliding manner, the positioning block (22) is driven by a driving piece IV (23), or a double-column positioning structure is arranged between the mounting seat (3) and the frame (1), the double-column positioning structure comprises mounting columns (24) which are positioned on the left side and the right side of the mounting seat (3) and positioning frames (25) which are positioned above the mounting seat (3) and are transversely arranged, the positioning frames (25) are connected with the mounting columns (24) in a sliding manner and can vertically slide, and the center (26) is arranged in the middle of each positioning frame (25).

2. The machine according to claim 1, characterized in that said base (1 a) is a frame structure of flat shape.

3. The vertical engraving machine according to claim 2, characterized in that the width of said stereoscopic moving frame (1 b) is smaller than the width of the base (1 a) in the length direction of the slide rail (4).

4. The vertical engraving machine according to claim 1, characterized in that said stereoscopic moving frame (1 b) comprises a frame body (1 b 1) and a cross beam (6) slidingly connected to the frame body (1 b 1) and capable of moving vertically, said cutter frame (2) being slidingly connected to the cross beam (6) and capable of sliding horizontally and laterally.

5. The vertical engraving machine according to claim 1, characterized in that said three-dimensional moving frame (1 b) comprises a frame body (1 b 1) and a vertical support plate slidably connected to the frame body (1 b 1) and capable of moving horizontally and laterally, said tool holder (2) being slidably connected to the vertical support plate and capable of sliding vertically.

6. A vertical engraving machine according to claim 1 or 2 or 3, characterized in that said mounting seats (3) are arranged side by side at one end of the base (1 a) and are connected by means of a connecting piece (10), said mounting seats (3) being provided with a work table (7), said work table (7) being driven in rotation by means of a rotary motor (8).

7. A vertical engraving machine according to claim 1 or 2 or 3, characterized in that said mounting seat (3) is directly fixed on one end of the base (1 a), said mounting seat (3) being provided with a work table (7), said work table (7) being driven in rotation by a rotary motor (8).

8. A vertical engraving machine according to claim 1 or 2 or 3, characterized in that said mounting seat (3) is arranged separately from the base (1 a) and at one end of the base (1 a), said mounting seat (3) being provided with a work table (7), said work table (7) being driven in rotation by a rotary motor (8).

9. The vertical engraving machine according to claim 4, characterized in that said frame body (1 b 1) comprises a rectangular bottom frame (1 b 11), uprights (1 b 12) fixed at the four corners of the rectangular bottom frame (1 b 11), and reinforcing frames (1 b 13) connected between the uprights (1 b 12).

10. The vertical engraving machine according to claim 4, characterized in that a vertical guide rail (11) is fixed on the frame body (1 b 1), the cross beam (6) is slidably connected with the vertical guide rail (11) and driven by a first driving member (12), a transverse guide rail (13) is fixed on the cross beam (6), the cutter frame (2) is slidably connected with the transverse guide rail (13) and driven by a second driving member (14), a cantilever (2 a) is arranged on the cutter frame (2), a cutter head (2 a 1) and a speed reducing motor (2 a 2) are arranged on the cantilever (2 a), and the cutter head (2 a 1) is driven to rotate by the speed reducing motor (2 a 2).