CN209738645U - Three-dimensional carving machine - Google Patents

Abstract

The utility model provides a three-dimensional engraver belongs to mechanical technical field. It has solved the problem of how to improve current three-dimensional engraver machining efficiency. This three-dimensional engraver includes the frame, is equipped with the toolframe of brace table and rectangular shape in the frame, brace table and toolframe respectively with the frame between set up the translation structure make the toolframe form three-dimensional translation for the brace table, be equipped with a plurality of tool bits on the toolframe and can use the bar direction of toolframe to swing as the axle center, its characterized in that the brace table on be equipped with the workstation that is rectangular shape, workstation and toolframe parallel arrangement just the workstation can use the bar direction of workstation to swing as the axle center, be equipped with the work piece positioning mechanism with the location work piece at the upside of workstation. This three-dimensional engraver forms two swing structure, has improved machining efficiency.

Description

Three-dimensional carving machine

Technical Field

The utility model belongs to the technical field of machinery, a three-dimensional engraver of multitool head simultaneous processing is related to, especially a six three-dimensional engravers of multitool head.

Background

The three-dimensional engraving machines have more models, but as workpieces are more and more complex, various adaptive three-dimensional engraving machines are developed for engraving and processing workpieces with complex shapes.

The Chinese patent application No. 201610157664.8 discloses a multi-head five-axis planar head-swinging engraving machine, which comprises a base, upright columns, a planar workbench and a cutter mechanism, wherein the upright columns, the planar workbench and the cutter mechanism are respectively arranged on two sides of the base; the cutter frame can be internally provided with one or more groups of cutter main shafts and cutter driving mechanisms, the cutter main shafts and the cutter driving mechanisms are the same in number and correspond one to one, each cutter driving mechanism drives the corresponding cutter main shaft, the cutter main shafts are installed in the cutter frame through a speed reducer I, a motor I is horizontally and longitudinally placed in the cutter frame, the speed reducer I and the motor I are connected through a first synchronous belt, the cutter main shafts can swing left and right in the cutter frame, the maximum leftward swing angle is 45 degrees, and the maximum rightward swing angle is 45 degrees; the tool rest driving mechanism comprises a speed reducer II and a motor II, the motor II is connected with the speed reducer II through a second synchronous belt, the motor II drives the whole tool rest to swing back and forth, the forward maximum swing angle is 90 degrees, and the backward maximum swing angle is 90 degrees.

When the carving machine is used for processing workpieces with complex shapes, although a plurality of tool spindles are arranged on the tool rest, in the actual processing process, one tool bit is used for processing one workpiece, the processing difficulty is high, and the space swing angle formed by the forward and backward swing of the tool rest and the left and right swing of the tool spindles arranged on the tool rest is limited, so that the tool can only move to a certain point in the space, cannot form arc processing during processing, and cannot be well adapted to the workpieces with complex shapes.

however, the common method for solving the problem is to process a workpiece with a complex shape by a plurality of different tool bits on different machine types in steps, but the problem of low processing efficiency is caused by doing so, or the swinging angle of the tool holder and the swinging angle of the tool spindle are increased to increase the applicable range, but the method only enlarges the space range reached by the tool bits and cannot solve the problem of arc line processing

Disclosure of Invention

The utility model discloses there is above-mentioned problem to current technique, has provided a three-dimensional engraver, the utility model aims to solve the technical problem that how to improve the machining efficiency of three-dimensional engraver.

The utility model discloses a following technical scheme realizes: the utility model provides a three-dimensional engraver, includes the frame, is equipped with the toolframe of brace table and rectangular shape in the frame, brace table and toolframe respectively with the frame between set up the translation structure make the toolframe form three-dimensional translation for the brace table, be equipped with a plurality of tool bits on the toolframe and can use the bar direction of toolframe to swing as the axle center, its characterized in that brace table on be equipped with the workstation that is rectangular shape, workstation and toolframe parallel arrangement just the workstation can use the bar direction of workstation to swing as the axle center, be equipped with the work piece positioning mechanism with the location work piece at the upside of workstation.

This cutter frame can form three-dimensional solid translation for a supporting bench for the cutter frame can be vertical translation from top to bottom and horizontal translation about, supporting bench can be the vertical preceding back translation of level, perhaps the cutter frame can be vertical translation from top to bottom, and the supporting bench can be horizontal vertical translation and horizontal translation about. On the basis of three axes, the tool rest is made to swing back and forth by taking the bar-shaped direction as an axis, so that the tool bit can swing back and forth along with the tool rest, the workbench is also made to swing back and forth by taking the bar-shaped direction of the workbench as the axis, a workpiece is positioned behind the positioning mechanism and can swing back and forth, the structure enables the swing of the tool rest and the swing of the workbench to form a double-swing structure, the double-swing structure is split up and down, the tool rest and the workbench swing relative to each other, the tool bit can have a larger processing angle and swing fineness for the workpiece, the problem of processing dead angles is eliminated, the tool is suitable for workpieces with various complex shapes, the processing efficiency is improved, and the conventional method that a universal single-swing tool bit engraving machine needs different engraving machines for processing is overcome. The three-dimensional engraving machine can be applied to processing of wood, stone, metal, plastic and the like.

The swinging is that the tool holder can rotate in both directions, the rotation is usually performed in one direction by an angle smaller than 360 degrees, and the tool holder can rotate in 360 degrees, but the tool holder can be swung in actual use.

In the three-dimensional carving machine, the plurality of tool bits are arranged on the tool rest at intervals, and at least two adjacent tool bits have different orientations. The tool bits in different directions form a group of tool bit groups for engraving the same workpiece, the groups of the engraving tool groups are arranged on the tool rest in sequence, and the number of the engraving tool groups is generally determined according to the number of the positioning mechanisms. The tool bits in different directions can be selected by swinging the tool rest to change the tool and carve, and the efficiency is improved. And the tool bit of different orientations can be chooseed for use four directions from top to bottom, enables the tool bit like this and only one and is carving, and all the other three can not disturb the removal and the swing of work piece, and the swing angle that enables the work piece can the grow under the swing of cooperation workstation, improves the application scope of single tool bit, improves machining efficiency.

In the three-dimensional engraving machine, the positioning mechanism can rotate relative to the workbench, and the positioning mechanism has two modes: one is that a plurality of rotating discs which can rotate are arranged on a workbench, and a positioning mechanism is arranged on the rotating discs; the other type is that a plurality of output shafts capable of rotating are arranged on the workbench, the positioning mechanism is arranged on the output shafts, and the output shafts can be rotating shafts which are rotatably connected on the workbench and can also be output shafts of motors or output shafts of speed reducers. The positioning mechanism can be used in various ways, such as clamping, pressing against, air-suction or glue bonding. The positioning mechanism can rotate to enable the three-dimensional engraving machine to become a six-axis engraving machine with multiple tool bits, and the positioning mechanism is arranged on the basis of the double-swing structure to rotate so as to better realize the stability and the processing precision of the six-axis engraving machine.

In foretell three-dimensional engraver, the brace table on be equipped with two supporting seats, the workstation setting is between two supporting seats and the both ends swing of workstation is connected on the supporting seat, is equipped with the motor that is used for driving the workstation wobbling outside one of them supporting seat. The workbench is improved through the supporting seat, and the swing range of the large workbench is increased. The external motor avoids causing swing interference to the workbench.

In the three-dimensional engraving machine, the worktable comprises a strip-shaped flat plate and connecting plates connected to two ends of the flat plate, the upper end of each connecting plate is connected with the supporting seat, and a power source for driving the positioning mechanism to rotate is arranged on the lower side of the worktable. The distance between the workbench and the tool rest is enlarged through the connecting plate, so that the application range of the workpiece is enlarged, and the swing range of the connecting plate can be enlarged.

In the three-dimensional engraving machine, the power source comprises a second motor and speed reducers arranged below each positioning mechanism, each speed reducer comprises a transmission shaft horizontally arranged and an output shaft perpendicular to the transmission shaft, the output shafts are used for driving the positioning mechanisms to rotate, the transmission shafts of two adjacent speed reducers are coaxially connected in series, and the second motor is connected with the transmission shaft of the speed reducer positioned at the end part.

In the three-dimensional engraving machine, the power source comprises a third motor arranged below each positioning mechanism, and each third motor is used for driving each positioning mechanism to rotate. The output shaft of the motor III can directly drive the positioning mechanism to rotate or the motor III drives the positioning mechanism to rotate through the output shaft of the speed reducer.

The power source is arranged at the bottom of the workbench, so that the interference to the workpiece can be avoided, and the swing range between the tool rest and the workbench can not be reduced. And this structure can keep the center of gravity balanced when the workpiece is positioned in the positioning mechanism.

In the three-dimensional engraving machine, the rack comprises a base and a beam fixed on the base, the translation structure between the support table and the rack comprises a horizontal transverse guide rail and a horizontal longitudinal guide rail, and the support table is connected to the base through the horizontal transverse guide rail and the horizontal longitudinal guide rail so as to enable the support table to horizontally move transversely and horizontally move longitudinally; the translation structure between the tool rack and the rack comprises a vertical guide rail, and the tool rack is connected to the cross beam through the vertical guide rail so that the tool rack can move up and down.

in the three-dimensional engraving machine, the vertical guide rail is arranged in the middle of the cross beam, the vertical guide rail is connected with the vertical towing bracket in a sliding manner, and the cutter frame is rotatably connected to the vertical towing bracket.

In the three-dimensional engraving machine, two groups of vertical guide rails are arranged at two ends of the cross beam respectively, vertical brackets are arranged on each group of vertical guide rails, and two ends of the cutter frame are rotatably connected to the corresponding vertical brackets respectively.

In the three-dimensional engraving machine, the rack comprises a base and a beam fixed on the base, the translation structure between the support table and the rack comprises a horizontal longitudinal guide rail, and the support table is connected to the base through the horizontal longitudinal guide rail so as to enable the support table to horizontally and longitudinally move; the translation structure between the tool rack and the rack comprises a vertical guide rail and a horizontal transverse guide rail, and the tool rack is connected to the cross beam through the vertical guide rail and the horizontal transverse guide rail so that the tool rack can move up and down and move horizontally and transversely.

In foretell three-dimensional engraver, perpendicular guide rail fixed and perpendicular guide rail on sliding connection have perpendicular carriage, horizontal cross rail set up on perpendicular carriage, sliding connection has horizontal carriage on horizontal cross rail, the both ends of tool holder or then the middle part rotate to be connected on horizontal carriage.

In foretell three-dimensional engraver, horizontal cross rail and crossbeam fixed and sliding connection have horizontal bracket on horizontal cross rail, perpendicular guide rail set up on horizontal bracket, sliding connection has perpendicular bracket on perpendicular guide rail, the both ends or the middle part of toolframe rotate to be connected on perpendicular bracket.

Compared with the prior art, the three-dimensional engraving machine has the following advantages:

1. The three-dimensional engraving machine is further integrated with three axes of tool rest front and back swing, worktable front and back swing and workpiece positioning mechanism autorotation, and becomes a six-axis three-dimensional engraving machine. The tool rest and the workbench swing to form a double-swing structure, the tool rest and the workbench are separated from each other vertically to form relative swing, so that the tool bit can have a larger processing angle and swing fineness to a workpiece, the problem of processing dead angles is eliminated, the tool is suitable for workpieces with various complex shapes, and the processing efficiency is improved.

2. The cutter head of different orientations on the cutter frame just can select required cutter head as long as swing cutter frame, carries out the tool changing sculpture, and efficiency improves to four directions around the cutter head of different orientations can choose for use, enables only one of cutter head like this and carves, and all the other three removal and the swing that can not disturb the work piece, makes the swing angle of work piece can the grow, improves the scope of application of single cutter head, improves machining efficiency.

Drawings

Fig. 1 is a schematic perspective view of a three-dimensional engraving machine according to an embodiment.

Fig. 2 is a perspective view of fig. 1 from another perspective.

Fig. 3 is a top view of fig. 1.

Fig. 4 is a schematic sectional structure view of a-a in fig. 3.

Fig. 5 is a schematic perspective view of a three-dimensional engraving machine according to the second embodiment.

Fig. 6 is a schematic perspective view of a three-dimensional engraving machine according to an embodiment.

Fig. 7 is a schematic perspective view of a four-dimensional engraving machine according to an embodiment.

Fig. 8-10 are schematic structural views of four different positioning mechanisms.

In the figure, 1, a frame; 1a, a base; 1b, a cross beam; 1c, a column; 2. a support table; 2a, a supporting seat; 2b, a bracket base; 2c, a first motor; 2d, a speed reducer; 2e, a bearing; 3. a tool holder; 3a, a cutter head; 3b, engraving a cutter group; 4. a work table; 4a, a flat plate; 4b, a connecting plate; 5. a turntable; 5a, a positioning mechanism; 5a1, suction holes; 5a2, airway; 5a3, jaws; 6a, a horizontal longitudinal guide rail; 6b, horizontal cross guide rails; 6c, vertical guide rails; 7. a longitudinal towing bracket; 8. a vertical towing bracket; 8a, a mounting seat; 8b, a gear set; 8c, a motor; 8d, a speed reducer; 8e, a bearing seat; 8f, a motor; 9. a power source; 9a, a second motor; 9b, a speed reducer; 9b1, drive shaft; 9b2, output shaft; 10. a transverse towing bracket.

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.

The first embodiment is as follows:

fig. 1 shows, fig. 1 is six three-dimensional engravers of multitool, including frame 1, be equipped with the toolframe 3 of brace table 2 and rectangular shape in frame 1, brace table 2 and toolframe 3 respectively with frame 1 between set up the translation structure make toolframe 3 for brace table 2, be equipped with a plurality of tool bits 3a on the toolframe 3 and can use the bar direction of toolframe 3 to swing as the axle center, be equipped with the workstation 4 that is used for the centre gripping work piece and is rectangular shape on brace table 2, workstation 4 and toolframe 3 parallel arrangement and workstation 4 can use the bar direction of workstation 4 to swing as the axle center, be equipped with a plurality of carousel 5 that can rotate at the upside of workstation 4.

Specifically, as shown in fig. 1 in combination with fig. 2-4, the rack 1 includes a base 1a and a cross beam 1b, the cross beam 1b is fixed at the middle rear portion of the base 1a through two vertical columns 1c, the support platform 2 is located below the cross beam 1b and connected to the base 1a, a horizontal longitudinal guide 6a is fixed on the base 1a, a longitudinal bracket 7 is slidably connected to the horizontal longitudinal guide 6a, a horizontal transverse guide 6b is fixedly connected to the longitudinal bracket 7, and the support platform 2 is slidably connected to the horizontal transverse guide 6 b. As a simple alternative, it is also possible to connect the horizontal cross rails 6b and the horizontal longitudinal rails 6a on the base 1a interchangeably, i.e. the support table 2 is connected to the base 1a by the horizontal cross rails 6b and the horizontal longitudinal rails 6a so that the support table 2 can move horizontally laterally and horizontally longitudinally. The longitudinal bracket 7 may be a flat plate or an H-shaped bracket, and the driving mechanism for driving the longitudinal bracket 7 and the support platform 2 to move may be a screw rod driving mechanism, a rack and pinion mechanism, or an air cylinder.

Crossbeam 1b middle part has linked firmly perpendicular guide rail 6c through the mounting panel, and sliding connection has perpendicular carriage 8 on perpendicular guide rail 6c, and perpendicular carriage 8 is flat-plate or H shape support, and the swing of tool rack 3 is connected on perpendicular carriage 8, and tool rack 3 makes tool rack 3 can reciprocate on crossbeam 1b through perpendicular guide rail 6c connection promptly. The outer side of the vertical towing bracket 8 is provided with a mounting seat 8a, the middle part of the tool rack 3 is connected on the vertical towing bracket 8 through a bearing, the vertical towing bracket 8 is provided with a gear set 8b for driving the tool rack 3 to swing, and the gear set 8b is driven by a motor 8c through a speed reducer 8 d. Alternatively, a belt, a chain, or other transmission structure may drive the tool rack 3 to rotate.

The cutter frame 3 is in a long strip shape and can be made into a square section or a round section, the square section is adopted in the embodiment, a plurality of cutter heads 3a are arranged on the cutter frame 3 at intervals, and at least two adjacent cutter heads 3a have different orientations. It can be made in four different orientations as shown in fig. 1, where a tool spindle penetrates the tool holder 3 to form two tool bits 3a at both ends of the tool spindle, and adjacent tool spindles are perpendicular to the tool spindle and also penetrate the tool holder 3 to form two tool bits 3a, and the two tool spindles jointly form a group of engraving tool groups 3b for machining the same workpiece, so that four tool bits 3a can machine the workpiece. The engraving blocks 3b are arranged in several groups in sequence on the tool holder 3, and the number of the engraving blocks 3b is generally determined according to the number of the rotary discs 5. The tool bits 3a in different directions can select the required tool bit 3a only by swinging the tool rest 3, so that tool changing and carving can be carried out, and the efficiency is improved. It is also possible to simplify the engraving knife group 3b, for example to three or two in four cutting heads 3a, etc.

The workbench 4 comprises a strip-shaped flat plate 4a and connecting plates 4b connected to two ends of the flat plate 4a, and the connecting plates 4b and the flat plate 4a can be of an integrated structure or a split welding structure. The rotary table 5 is rotationally connected to the flat plate 4a, a workpiece positioning mechanism 5a is arranged on the rotary table 5 and used for positioning a workpiece, and the positioning mechanism 5a is a clamping piece, a jacking piece, an air suction accessory or is directly used for bonding the workpiece on the rotary table 5 by glue. The specific positioning mechanism 5a is an air suction attachment as shown in fig. 8, a rotary table 5 is provided with an air suction hole 5a1 and an air channel 5a2 arranged on the upper surface of the rotary table 5, or a clamping piece as shown in fig. 9, the rotary table 5 is provided with a plurality of clamping jaws 5a3, the clamping jaws 5a3 clamp and position a workpiece, or a jacking piece as shown in fig. 10, the rotary table 5 is provided with a T-shaped groove, a compaction bolt is connected in the T-shaped groove, and a pressing plate is connected on the compaction bolt through threads. A power source 9 for driving the positioning mechanism to rotate is provided under the flat plate 4a of the table 4. The power source 9 comprises a second motor 9a and a speed reducer 9b arranged below each workpiece positioning mechanism 5a, each speed reducer 9b comprises a transmission shaft 9b1 horizontally arranged and an output shaft 9b2 perpendicular to the transmission shaft 9b1, the output shafts 9b2 are connected with the positioning mechanisms, the transmission shafts 9b1 of two adjacent speed reducers 9b are coaxially connected, and the second motor 9a is connected with the transmission shafts 9b1 of the speed reducers 9b at the end parts. As a simple alternative, the power source 9 may also be a third motor disposed below each positioning mechanism, and the output shaft 9b2 of each third motor is connected with the workpiece positioning mechanism 5 a.

Two supporting seats 2a are arranged on the supporting table 2, the workbench 4 is arranged between the two supporting seats 2a, a connecting sleeve or a rotating shaft is arranged on the outer side of the upper end of a connecting plate 4b, the connecting plates 4b at two ends of the workbench 4 are connected to the supporting seats 2a in a swinging mode through bearings 2e, and a motor 2c used for driving the workbench 4 to swing is arranged on the outer side of one supporting seat 2 a. The first motor 2c is fixed on the bracket base 2b, and the first motor 2c is connected with the connecting plate 4b through the speed reducer 2 d.

After a workpiece is positioned on the positioning mechanism 5a of the turntable 5, when carving and milling are carried out, according to the setting of a program, the tool rest 3 swings to select one tool bit 3a to face the workpiece, and the tool rest 3, the workbench 4 and the turntable 5 are controlled to swing in a coordinated mode, so that the tool bit 3a can make any spatial arc line and reach any angle when carving the workpiece.

Example two

the second embodiment is basically the same as the first embodiment, except that: the support table 2 is connected to the base 1a through a horizontal longitudinal guide 6a so that the support table 2 can move horizontally and longitudinally, and the tool rest 3 is connected to the cross beam 1b through a vertical guide 6c and a horizontal transverse guide 6b so that the tool rest 3 can move up and down and horizontally and transversely. Specifically, as shown in fig. 5, a horizontal transverse guide rail 6b is fixed to the cross beam 1b, a flat-plate-shaped transverse towing bracket 10 is slidably connected to the horizontal transverse guide rail 6b, a vertical guide rail 6c is disposed on the transverse towing bracket 10, a vertical towing bracket 8 is slidably connected to the vertical guide rail 6c, the vertical towing bracket 8 is long-bar-shaped and flat-plate-shaped, or may be H-shaped, two convex bearing seats 8e are disposed on the vertical towing bracket 8, two ends of the tool rack 3 are rotatably connected to the bearing seats 8e of the vertical towing bracket 8, and a motor 8f is connected to an end of the tool rack 3 through a speed reducer 8d, or a middle portion of the tool rack 3 is rotatably connected to a mounting seat 8a of the vertical towing bracket 8. A horizontal vertical guide rail 6a is fixed to the base 1a, and the support base 2 is slidably connected to the horizontal vertical guide rail 6 a. Alternatively, the vertical guide rail 6c is fixed with the cross beam 1b, the vertical guide rail 6c is connected with a vertical towing bracket 8 in a sliding mode, the horizontal transverse guide rail 6b is arranged on the vertical towing bracket 8, the horizontal transverse guide rail 6b is connected with a transverse towing bracket 10 in a sliding mode, and two ends of the tool rack 3 are rotatably connected to the transverse towing bracket 10 or the middle of the tool rack 3 is rotatably connected to the transverse towing bracket.

Example three:

The third embodiment is basically the same as the first embodiment, except that: as shown in fig. 6, two sets of vertical guide rails 6c are respectively disposed on the vertical columns at the two ends of the cross beam 1b, a vertical bracket 8 is disposed on each set of vertical guide rails 6c, and the two ends of the tool rack 3 are respectively rotatably connected to the corresponding vertical brackets 8.

Example four:

The fourth embodiment is basically the same as the second embodiment, except that: as shown in fig. 7, two sets of vertical guide rails 6c are provided and are respectively disposed on the vertical columns at the two end portions of the cross beam 1b, a vertical bracket 8 is provided on the two sets of vertical guide rails 6c, a horizontal cross guide rail 6b is horizontally and transversely fixed on the vertical bracket 8, a horizontal bracket 10 is slidably connected on the horizontal cross guide rail 6b, and the two ends of the tool rack 3 are rotatably connected to the horizontal bracket 10 or the middle portion of the tool rack 3 is rotatably connected to the horizontal bracket 10.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims (13)

1. The utility model provides a three-dimensional engraver, includes frame (1), is equipped with brace table (2) and rectangular shape cutter frame (3) on frame (1), brace table (2) and cutter frame (3) respectively with frame (1 between set up the translation structure make cutter frame (3) form three-dimensional translation for brace table (2), be equipped with on cutter frame (3) a plurality of tool bits (31) and can use the bar direction of cutter frame (3) to swing as the axle center, its characterized in that brace table (2) on be equipped with workstation (4) that are rectangular shape, workstation (4) and cutter frame (3) parallel arrangement just workstation (4) can use the bar direction of workstation (4) to swing as the axle center, be equipped with positioning mechanism (5a) that are used for fixing a position the work piece at the upside of workstation (4).

2. Stereoengraving machine according to claim 1, characterized in that several of said cutting heads (31) are arranged at intervals on the tool holder (3), and that adjacent cutting heads (31) have at least two different orientations.

3. Stereoengraving machine according to claim 1 or 2, characterized in that said positioning means (5a) are able to rotate with respect to the table (4).

4. The stereoengraving machine according to claim 3, characterized in that said table (4) is provided with a plurality of rotatable discs (5), said positioning means (5a) being provided on said discs (5).

5. The stereoengraving machine according to claim 3, characterized in that a plurality of rotatable output shafts are provided on the table (4), said positioning means (5a) being provided on the output shafts.

6. The stereoengraving machine according to claim 3, characterized in that said support (2) is provided with two supports (2a), said table (4) is disposed between said two supports (2a) and the two ends of said table (4) are pivotally connected to said supports (2a), and a first motor (2c) for driving said table (4) to swing is disposed outside one of said supports (2 a).

7. The stereoengraving machine according to claim 6, characterized in that said table (4) comprises an elongated plate (4a) and connecting plates (4b) connected to the two ends of the plate (4a), the upper end of the connecting plate (4b) is connected to the supporting base (2a), and a power source (9) for driving the positioning mechanism (5a) to rotate is provided at the lower side of the table (4).

8. The stereoengraving machine according to claim 1, characterized in that said frame (1) comprises a base (1a) and a cross beam (1b) fixed on said base (1a), the translation structure between said support table (2) and said frame (1) comprises a horizontal cross rail (6b) and a horizontal longitudinal rail (6a), said support table (2) is connected to said base (1a) through said horizontal cross rail (6b) and said horizontal longitudinal rail (6a) to enable said support table (2) to move horizontally and laterally and horizontally and longitudinally; the translation structure between the tool rack (3) and the rack (1) comprises a vertical guide rail (6c), and the tool rack (3) is connected to the cross beam (1b) through the vertical guide rail (6c) to enable the tool rack (3) to move up and down.

9. The stereoengraving machine according to claim 8, characterized in that said vertical guide (6c) is arranged in the middle of said cross-beam (1b), a vertical carriage (8) is slidably connected to said vertical guide (6c), and said tool holder (3) is rotatably connected to said vertical carriage (8).

10. The stereoengraving machine according to claim 8, characterized in that said vertical guides (6c) are provided in two groups, and are respectively disposed at two ends of said cross-beam (1b), wherein each group of vertical guides (6c) is provided with a vertical bracket (8), and two ends of said tool rack (3) are respectively rotatably connected to the corresponding vertical brackets (8).

11. The stereoengraving machine according to claim 1, characterized in that said frame (1) comprises a base (1a) and a cross beam (1b) fixed to said base (1a), said translation structure between said support table (2) and said frame (1) comprises a horizontal longitudinal guide (6a), said support table (2) being connected to said base (1a) by means of said horizontal longitudinal guide (6a) to enable said support table (2) to move horizontally and longitudinally; the translation structure between the tool rack (3) and the rack (1) comprises a vertical guide rail (6c) and a horizontal transverse guide rail (6b), and the tool rack (3) is connected to the cross beam (1b) through the vertical guide rail (6c) and the horizontal transverse guide rail (6b) so that the tool rack (3) can move up and down and move horizontally and transversely.

12. The stereoengraving machine according to claim 11, characterized in that said vertical guide (6c) is fixed to said cross-beam (1b) and said vertical guide (6c) is slidably connected to a vertical carriage (8), said horizontal cross-guide (6b) is disposed on said vertical carriage (8), said horizontal cross-guide (6b) is slidably connected to a horizontal carriage (10), and said two ends or middle of said tool holder (3) are rotatably connected to said horizontal carriage (10).

13. The stereoengraving machine according to claim 11, characterized in that said horizontal cross rail (6b) is fixed to said cross beam (1b) and is slidably connected to a cross carriage (10) on said horizontal cross rail (6b), said vertical rail (6c) is disposed on said cross carriage (10), said vertical carriage (8) is slidably connected to said vertical rail (6c), and both ends or the middle of said tool holder (3) are rotatably connected to said vertical carriage (8).