CN210502044U

CN210502044U - Three-dimensional carving machine

Info

Publication number: CN210502044U
Application number: CN201921031626.3U
Authority: CN
Inventors: 吴善旺
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-03
Filing date: 2019-07-03
Publication date: 2020-05-12
Anticipated expiration: 2029-07-03

Abstract

The utility model provides a three-dimensional engraver belongs to mechanical technical field. It has solved the problem of how to improve the sculpture precision. The three-dimensional engraving machine comprises a first clamping table and a second clamping table, wherein a plurality of speed reducers connected with a rotary table are arranged on the first clamping table, tops in one-to-one correspondence with the rotary table are arranged on the second clamping table, the speed reducers are fixed with the first clamping table in the axial direction of the rotary table, connecting shafts of two adjacent speed reducers are circumferentially positioned through connecting structures and can move relatively in the axial direction, and first positioners capable of moving the speed reducers along the axial direction of the connecting shafts and positioning the speed reducers are arranged on the peripheries of the speed reducers. The turntable position in the three-dimensional engraving machine can be finely adjusted, so that the center position deviation of the clamping assembly caused by manufacturing and assembling errors can be corrected, the workpiece can be accurately clamped in the center, and the engraving precision of the engraving machine is improved.

Description

Three-dimensional carving machine

Technical Field

The utility model belongs to the technical field of machinery, a three-dimensional engraver is related to.

Background

The engraving machine is a drilling and milling combined machining machine in the machining principle. The three-dimensional engraving machine is an industry classification of engraving machines, is a newly emerging numerical control device in recent years, has a working principle similar to that of a numerical control milling machine, and enables three shafts of a control machine to automatically move in a inching continuous mode, so that the effect of automatic engraving is achieved. The three-dimensional engraving machine has a wide application range, can be applied to engraving in processing of wood, stone, metal, plastic and the like, has a good automatic engraving effect, and is fast in engraving, so that the three-dimensional engraving machine is commonly used in mass rapid production of workpieces.

As in chinese patent document [ application No.: 201810575701.6 discloses a multifunctional engraving machine, which comprises a base, a column, an engraving platform and a cutter mechanism, wherein the engraving platform comprises a mobile platform and a workpiece clamping device, the mobile platform is provided with an automatic lifting platform, the automatic lifting platform comprises a table top, a table top lifting frame and a table top automatic lifting mechanism, the table top automatic lifting mechanism is fastened on a cross beam in the middle of the mobile platform, the table top lifting frame is fixed on the table top automatic lifting mechanism, and the table top is fixed on the table top lifting frame. When the workpiece needs to be carved, the workpiece is clamped by the workpiece clamping device, and then the workpiece is moved to a machining area of the cutter mechanism by the moving platform to be carved.

According to the engraving machine for processing the workpiece, the workpiece clamping precision is a main factor for determining the workpiece processing precision, and meanwhile, after the workpiece is accurately clamped, whether the relative position of the cutter relative to a workpiece clamping center connecting line is accurate or not is also a main factor for determining the workpiece processing precision. However, in the prior art, since the engraving machine has manufacturing errors and assembly errors of various mechanical parts during the manufacturing process, it is difficult to ensure that the position of the tool and the clamping center of the clamping mechanism in the assembled engraving machine are completely consistent with the design position, that is, the engraving machine has manufacturing errors, so that the engraving precision is difficult to ensure, which is not beneficial to improving the engraving precision.

In order to improve the engraving accuracy, the means conventionally adopted by the person skilled in the art are as follows: after the assembly of the engraving machine is completed, the moving coordinate of the cutter is repeatedly adjusted through subsequent calculation programming, so that the relative position of the cutter and the workpiece meets the requirement of engraving precision as much as possible; secondly, the requirement of the engraving precision is met by increasing the volume of the workpiece blank, repeatedly adjusting the cutting amount of the cutter and cutting for multiple times; however, the conventional methods adopted by the technicians in the field often bring about the troubles of low processing efficiency and high processing cost.

Disclosure of Invention

The utility model aims at having the above-mentioned problem to current technique, provided a three-dimensional engraver, the utility model provides a technical problem how to improve the sculpture precision.

The purpose of the utility model can be realized by the following technical proposal: the three-dimensional engraving machine is characterized in that the speed reducer is fixed with the first clamping table in the axial direction of the rotary table, two adjacent connecting shafts of the speed reducer are circumferentially positioned through a connecting structure and can axially and relatively move, and a first positioner capable of axially moving the speed reducer along the connecting shafts and positioning the speed reducer is arranged on the periphery of the speed reducer.

When the three-dimensional engraving machine is used, a workpiece is clamped between the turntable and the top, the clamping assembly is improved, even the position of the turntable in the clamping assembly can be finely adjusted, so that the defect that the engraving precision cannot be improved due to the deviation of the clamping center of the clamping assembly caused by the existence of manufacturing and assembling errors in the prior art is overcome; the specific principle is as follows: in the engraving machine, the turntable in the clamping assembly is connected to the speed reducer, namely, the position of the turntable can be adjusted by adjusting the position of the speed reducer; however, in the engraving machine, the plurality of reducers are connected in series, that is, the connecting shafts of two adjacent reducers are connected together through a connecting structure, so that the position of each reducer can be independently finely adjusted, the connecting structure enables the two adjacent connecting shafts to be circumferentially positioned and to relatively move in the axial direction when being connected, each reducer is fixed with the first clamping table in the axial direction of the turntable, each reducer can move in the axial direction of the connecting shaft through the combined design, on the basis, the first positioner is arranged on the periphery of each reducer, the first positioner can move the reducer in the axial direction of the connecting shaft, and the reducer can be positioned after the adjustment is completed, so that the fine adjustment of the position of the reducer is realized, that is, the fine adjustment of the position of the turntable is realized; therefore, through the design, before the workpiece is placed between the rotary table and the tip to be clamped, when the center lines of the rotary table and the tip have deviation due to the existence of assembly or manufacturing errors, the deviation between the center lines of the rotary table and the tip is reduced as much as possible by adjusting the position of the rotary table, so that the clamping assembly can realize accurate centering clamping, and the carving precision of the carving machine is improved.

In foretell three-dimensional engraver, first locator includes a plurality of set screws one and links firmly two regulating blocks one on first grip block, set screws one wears to establish and the spiro union on regulating block one along the axial of connecting axle, integrated into one piece or linked firmly the regulation seat on the reduction gear, the regulation seat sets up between two regulating blocks one, and a plurality of above-mentioned set screws one can support respectively and lean on the regulation seat. Through the cooperation design of above first locator and regulation seat, promote through twisting a set screw and adjust the seat and remove, can realize the reduction gear at the ascending position adjustment of connecting the axle to make the position of carousel can carry out corresponding regulation, revise the deviation that the clamping component appears with this, thereby make the work piece can obtain accurate centre gripping, and then improved the sculpture precision of engraver.

As an alternative, above-mentioned first locator is including linking firmly on first centre gripping platform and being located the reduction gear at the fixed block of connecting axle axial both sides and inlaying the abaculus of establishing between fixed block and reduction gear, the one side of abaculus and reduction gear contact is the inclined plane. The fine adjustment of the position of the speed reducer can be realized by controlling the insertion depth of the embedded block.

In the three-dimensional engraving machine, the first clamping table is provided with sliding grooves which are axially arranged along the connecting shaft of the speed reducer, and each adjusting seat is in sliding connection with the sliding groove. Through the cooperation design of above spout and regulation seat to the spout is as the benchmark, makes very convenient and accurate when first locator regulation seat along connecting axle axial displacement, thereby guarantees that the carousel position can adjust to target in place, can not produce the regulation deviation, and then is favorable to improving the sculpture precision of engraver.

In the three-dimensional engraving machine, the connecting structure comprises a coupler, the connecting shaft of the speed reducer is circumferentially fixed with the coupler through a key bar, a strip-shaped groove formed in the inner hole wall of the coupler along the axial direction is formed, and the key bar is slidably connected with the strip-shaped groove. Through the connection structure that above shaft coupling cooperation keybar and bar groove design are constituteed to this has realized the circumference location and the axial displacement cooperation between two adjacent connecting axles, thereby guarantees that the reduction gear can independently adjust, with this improvement of guaranteeing the sculpture precision.

In foretell three-dimensional engraver, the shaft coupling includes left tooth sleeve and right tooth sleeve, be equipped with the elastic pad spare between left tooth sleeve and the right tooth sleeve and both cooperate in the axial grafting. Through the shaft coupling of above structural design, owing to the design of above-mentioned elastic cushion spare, borrow by elastic cushion spare elastic deformation for left tooth sleeve and right tooth sleeve can finely tune at the ascending relative position of axial, that is to say, above-mentioned shaft coupling itself just can carry out micro flexible, when even there is the connecting axle at above-mentioned shaft coupling both ends, just so make two shaft couplings can carry out relative movement in the axial, thereby guarantee that the reduction gear can independently adjust, with this improvement of guaranteeing the sculpture precision. As another scheme, the connecting structure comprises a key arranged on one of two adjacent speed reducer connecting shafts and a connecting hole arranged on the other end part, a strip-shaped groove is formed in the inner wall of the connecting hole, and one of the connecting shafts is inserted into the connecting hole and is in sliding connection with the key and the strip-shaped groove.

In the three-dimensional engraving machine, the first clamping table is provided with a waist-shaped hole which is axially arranged along the connecting shaft of the speed reducer, a fixing bolt penetrates through the waist-shaped hole and is fixedly connected with the adjusting seat. The fixing of the speed reducer and the first clamping table in the axial direction of the rotary table is realized through the matching of the fixing bolts and the waist-shaped holes, and the waist-shaped holes are designed in the above arrangement mode, so that the speed reducer is not influenced to be adjusted and moved along the axial direction of the connecting shaft.

Preferably, the width of the waist-shaped hole is larger than the outer diameter of the fixing bolt, the upper side and the lower side of the first clamping table are vertically penetrated through respectively and are screwed with vertical screws, and the vertical screws can abut against the speed reducer. Because there is certain clearance between regulation seat and the spout, through the size design of above waist type hole and fixing bolt, the design with vertical screw is resumeed to the cooperation, through revolving soon vertical screw like this, can realize that the relative first centre gripping strip of reduction gear carries out the fine setting of less range in vertical, and general fine setting range is below 1 millimeter.

In the three-dimensional engraving machine, the three-dimensional engraving machine further comprises an engraving component and a bar-shaped tool rest used for connecting the engraving component, the engraving component is provided with a plurality of engraving components, each engraving component comprises a seat body arranged on the tool rest and a driving motor fixed on the seat body and used for driving a tool to rotate, the seat body is fixed in the axial direction of the driving motor relative to the tool rest and can move in the radial direction of the driving motor relative to the tool rest, a second positioner capable of adjusting the seat body to move relative to the tool rest is arranged on the side edge of the seat body, and the second positioner can enable the seat body to be positioned in the radial direction of the driving motor. In the three-dimensional engraving machine, the position of the turntable is finely adjusted to ensure that the clamping center of the clamping assembly is accurate, and further, the engraving assembly is improved to ensure that the position of a cutter can also be finely adjusted; the specific principle is as follows: in the engraving component, a motor shaft of a driving motor is fixedly connected with a cutter to drive the cutter to rotate, namely, the position of the cutter can be adjusted by adjusting the position of the driving motor, for this reason, a base body for fixing the driving motor is arranged on a cutter frame, so that the base body can be axially fixed on the cutter frame and can move relative to the cutter frame in the radial direction of the driving motor, and a second positioner is arranged on the side edge of the base body, so that the moving distance of the base body relative to the cutter frame is adjusted by the positioner and the base body is positioned in the radial direction of the driving motor, and the radial position of the driving motor relative to the cutter frame can be adjusted and positioned, namely the radial position of the cutter relative to the cutter frame can be adjusted and positioned; through the design, when the workpiece is accurately clamped on the clamping assembly, fine adjustment is performed on the radial position of the cutter at the moment, so that the central line of the cutter and the central line of the clamping assembly are located on the same plane, the cutter is guaranteed to be located at the machining position where the design requirement is located, deviation is avoided, the problem that the carving precision cannot be guaranteed due to manufacturing errors is avoided, and the carving precision of the carving machine is further improved.

In foretell three-dimensional engraver, the second locator is including linking firmly regulating block two and a plurality of set screw two on the tool rest, set screw two is worn to establish and the spiro union is on regulating block two, and a plurality of above-mentioned set screw two can support respectively and make the pedestal fix a position in driving motor's footpath on the periphery of pedestal. Through the design of above second locator, can finely tune the position of pedestal on radial plane through revolving the set screw two soon to make the position of cutter carry out corresponding regulation, thereby guarantee that the cutter is in the processing position that the design requires the place, can not produce the deviation, with this sculpture precision that has improved the engraver.

As an alternative, the second positioner includes a fixed block fixedly connected to the tool rack and located around the seat body, and an insert block embedded between the fixed block and the seat body, wherein a surface of the insert block contacting the seat body is an inclined surface. The fine adjustment of the position of the seat body can be realized by controlling the insertion depth of the embedded block.

In foretell three-dimensional engraver, the left and right sides of pedestal is integrated into one piece respectively or has linked firmly the location lug, the quantity one-to-one of second locator and location lug, set screw two sets up respectively in location lug upside, downside and salient one side, the head of set screw two supports and leans on the location lug. Through the cooperation design of above second locator structure and locating convex block, the position design of set screw two and locating convex block promptly for the second locator can form the regulation coordinate system of two degrees of freedom XY on radial plane, makes the position of pedestal on radial plane carry out accurate controllable regulation like this, guarantees like this that the cutter can carry out accurate fine setting, thereby guarantees that the adjustment that the cutter position can be accurate targets in place, can not produce the regulation deviation, and then has improved the sculpture precision of engraver. In addition, as an equivalent scheme, the positioning convex blocks can also be arranged on the upper side and the lower side of the seat body, and then the second positioning screws are positioned on the left side, the right side and the protruding side of the positioning convex blocks.

In the three-dimensional engraving machine, the positioning lug is a rectangular lug, the second adjusting block is provided with a rectangular notch, the positioning lug is positioned in the notch, and the second positioning screw penetrates into the notch from three surfaces of the notch along the radial direction of the driving motor and abuts against three corresponding surfaces of the positioning lug. Through the shape of above locating convex block and notch and cooperation design between them, because locating convex block is located the notch, so when adjusting, the three face of notch can be as adjusting the benchmark, can play limiting displacement again, makes set screw two can carry out the accurate regulation when revolving the twist regulation like this, guarantees the accuracy of adjusting, is difficult to appear adjusting the deviation to be favorable to improving the sculpture precision of engraver.

In the three-dimensional engraving machine, the positioning lugs on the left side and the right side are symmetrically arranged relative to the axis of the driving motor. Through the above symmetrical design, the adjusting distance of the positioner to the corresponding position positioning lug can be kept consistent, so that the adjustment is not easy to cause errors, and the engraving precision of the engraving machine is improved.

In the three-dimensional engraving machine, the positioning screws II are respectively arranged on the upper side, the lower side, the left side and the right side of the base body, and the heads of the positioning screws II abut against the base body. Through the second locator of above design, through the set screw two of twisting above arranging promptly, also can realize the position of pedestal and move the adjustment on radial plane to guarantee that the cutter can adjust to the target in place and improve the sculpture precision.

In the three-dimensional engraving machine, the engraving assembly is provided with two seat bodies, the driving motor of the engraving assembly is arranged in the tool rest in a penetrating manner, the two seat bodies are respectively fixed at two ends of the driving motor, one of the seat bodies is positioned at one side of the tool rest, and the other seat body is positioned at the other side of the tool rest. Through the arrangement design of the two seat bodies, the driving motor and the tool rest, when the axis position of the driving motor is deviated after installation, accurate adjustment can be carried out; if there is no deviation, the two seat bodies can be synchronously adjusted to realize the adjustment of the position of the cutter, thereby ensuring that the cutter can be adjusted in place to improve the engraving precision.

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

1. the position of the rotary disc in the three-dimensional engraving machine can be finely adjusted, so that the central position deviation of the clamping assembly caused by manufacturing and assembling errors can be corrected, the workpiece can be accurately clamped in a centering manner, and the engraving precision of the engraving machine is improved;

2. the position of the cutter in the three-dimensional engraving machine can be finely adjusted, so that the deviation of the position of the cutter caused by manufacturing and assembling errors is avoided, the cutter can be ensured to be positioned at a processing position required by design, and the engraving precision of the engraving machine is improved;

3. the three-dimensional engraving machine can meet the engraving precision requirement of subsequent workpieces only by early-stage adjustment, does not need to be adjusted repeatedly, is favorable for improving the machining efficiency and saves the machining cost.

Drawings

Fig. 1 is a schematic view of the whole structure of the three-dimensional engraving machine.

Fig. 2 is a first schematic structural diagram of the reducer and the first clamping table part in the three-dimensional engraving machine.

Fig. 3 is an exploded view of the reducer and the first clamping table of the three-dimensional engraving machine.

Fig. 4 is a second schematic structural view of the reducer and the first clamping table portion of the three-dimensional engraving machine.

Fig. 5 is a schematic structural diagram of a coupling in the three-dimensional engraving machine.

Fig. 6 is a schematic structural view of a tool holder part in the three-dimensional engraving machine.

Fig. 7 is a schematic structural diagram of an engraving assembly and a second positioner part in the three-dimensional engraving machine.

Fig. 8 is a schematic structural diagram of the engraving assembly in the three-dimensional engraving machine.

Fig. 9 is a schematic structural view of a first positioner and an adjustment seat in the second embodiment.

In the figure, 1, a first clamping table; 2. a second clamping table; 3. a turntable; 4. a speed reducer; 41. a connecting shaft; 5. a tip; 6. a first positioner; 61. a first positioning screw; 62. a first adjusting block; 7. an adjusting seat; 8. a chute; 9. a coupling; 91. a left tooth sleeve; 92. a right-toothed sleeve; 93. an elastic cushion member; 10. a key bar; 11. a strip-shaped groove; 12. a kidney-shaped hole; 13. fixing the bolt; 14. an engraving assembly; 141. a base body; 1411. positioning the bump; 142. a drive motor; 15. a tool holder; 16. a second positioner; 161. a second adjusting block; 1611. a recess; 162. a second positioning screw; 17. a vertical screw.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

The first embodiment is as follows:

specifically, as shown in fig. 1, the present stereolithography machine includes a clamping assembly for clamping a workpiece, an engraving assembly 14, and a bar-shaped tool holder 15 for attaching the engraving assembly 14. Wherein, the centre gripping subassembly includes first centre gripping platform 1 and second centre gripping platform 2, is equipped with a plurality of reduction gears 4 that are connected with carousel 3 on first centre gripping platform 1, and this reduction gear 4 includes an output shaft and two connecting axles 41, and carousel 3 links firmly on the output shaft. The second clamping table 2 is provided with apexes 5 which correspond to the rotary tables 3 one by one. As shown in fig. 2, the speed reducers 4 are fixed to the first clamping table 1 in the axial direction of the turntable 3, the connecting shafts 41 of two adjacent speed reducers 4 are positioned in the circumferential direction by the connecting structure and can move relatively in the axial direction, and the first positioners 6 are provided on the outer peripheries of the speed reducers 4, and can move the speed reducers 4 in the axial direction of the connecting shafts 41 and position the speed reducers 4.

More specifically, in the embodiment, as shown in fig. 3 and 4, the first positioner 6 includes a plurality of first positioning screws 61 and two first adjusting blocks 62 fixedly connected to the first clamping table 1, and the first positioning screws 61 penetrate along the axial direction of the connecting shaft 41 and are screwed on the first adjusting blocks 62. The speed reducer 4 is integrally formed or fixedly connected with the adjusting seat 7, the first clamping table 1 is provided with a sliding groove 8 which is axially arranged along the connecting shaft 41 of the speed reducer 4, and each adjusting seat 7 is in sliding connection with the sliding groove 8. Meanwhile, a waist-shaped hole 12 is formed in the first clamping table 1 and is axially arranged along the connecting shaft 41 of the speed reducer 4, a fixing bolt 13 penetrates through the waist-shaped hole 12, and the fixing bolt 13 penetrates through the waist-shaped hole 12 and is fixedly connected with the adjusting seat 7. Preferably, the width of the kidney-shaped hole 12 is larger than the outer diameter of the fixing bolt 13, the upper and lower sides of the first clamping table 1 are vertically respectively penetrated and screwed with vertical screws 17, and the vertical screws 17 can abut against the speed reducer 4. The adjusting seat 7 is arranged between the two adjusting blocks 62, and a plurality of the positioning screws 61 can respectively abut against the adjusting seat 7.

As shown in fig. 3 and 5, the connecting structure includes a coupler 9, the coupler 9 includes a left toothed sleeve 91 and a right toothed sleeve 92, and an elastic cushion 93 is disposed between the left toothed sleeve 91 and the right toothed sleeve 92 and is inserted and fitted in the axial direction. The connecting shaft 41 of the speed reducer 4 and the coupling 9 are circumferentially fixed through the key strips 10, the inner hole wall of the coupling 9 is provided with strip-shaped grooves 11 which are axially arranged, and the key strips 10 are in sliding fit with the strip-shaped grooves 11.

As shown in fig. 6 and 8, in the engraving machine, there are a plurality of engraving assemblies 14, each engraving assembly 14 includes a seat 141 disposed on the tool rack 15 and a driving motor 142 fixed on the seat 141 for driving the tool to rotate, the engraving assembly 14 has two seats 141, the driving motor 142 of the engraving assembly 14 is inserted into the tool rack 15, the two seats 141 are respectively and integrally connected with flanges at two ends of the driving motor 142, one seat 141 is located at one side of the tool rack 15, and the other seat 141 is located at the other side of the tool rack 15. The motor shaft of the driving motor 142 is provided with a connector for connecting a cutter. The holder body 141 is fixed relative to the tool rack 15 in the axial direction of the motor shaft of the driving motor 142 and is movable relative to the tool rack 15 in the radial direction of the motor shaft of the driving motor 142, a second positioner 16 capable of adjusting the movement of the holder 7 relative to the tool rack 15 is provided at a side of the holder body 141, and the second positioner 16 is capable of positioning the holder body 141 in the radial direction of the driving motor 142.

More specifically, as shown in fig. 7, the second positioner 16 includes a second adjusting block 161 and a plurality of second positioning screws 162 fixedly connected to the tool rack 15, the second positioning screws 162 are inserted through and screwed to the second adjusting block 161, the left and right sides of the seat body 141 are respectively integrally formed or fixedly connected with the second positioning bumps 1411, the second positioners 16 are in one-to-one correspondence with the number of the second positioning bumps 1411, and the second positioning screws 162 are respectively disposed on the upper side, the lower side and the protruding side of the second positioning bumps 1411. The positioning bump 1411 is a rectangular bump, the second adjusting block 161 is provided with a rectangular notch 1611, the positioning bump 1411 is located in the notch 1611, and the second positioning screw 162 penetrates into the notch 1611 from three surfaces of the notch 1611 along the radial direction of the driving motor 142 and abuts against three corresponding surfaces of the positioning bump 1411.

Example two:

the technical solution in this embodiment is substantially the same as that in the first embodiment, except that, as shown in fig. 9, in this embodiment, the structures of the adjusting seat 7 and the first positioner 6 are similar to the structures of the seat body 141 and the second positioner 16, that is, the two sides of the adjusting seat 7 are integrally formed or fixedly connected with positioning protrusions, the first positioners 6 correspond to the positioning protrusions one to one, and the first positioning screws 61 in the first positioner 6 are respectively disposed on the upper side, the lower side and the protruding side of the positioning protrusions.

Example three:

the technical solution in this embodiment is substantially the same as that in the first embodiment, except that in this embodiment, the connection structure includes a key provided on one of the connection shafts 41 of the two adjacent speed reducers 4 and a connection hole provided on the other end portion, a bar-shaped groove is provided on an inner wall of the connection hole, and one of the connection shafts 41 is inserted into the connection hole and the key and the bar-shaped groove are slidably connected.

Example four:

the technical solution in this embodiment is substantially the same as that in the first embodiment, except that in this embodiment, a plurality of the second positioning screws 162 are respectively disposed on the upper side, the lower side, the left side and the right side of the seat body 141, and the head of each second positioning screw 162 abuts against the seat body 141.

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.

Although the terms of the first clamping table 1, the second clamping table 2, the rotary table 3, the speed reducer 4, the connecting shaft 41, the tip 5, the first positioner 6, the first positioning screw 61, the first adjusting block 62, the adjusting seat 7, the sliding chute 8, the coupling 9, the left gear sleeve 91, the right gear sleeve 92, the elastic cushion member 93, the key bar 10, the strip-shaped groove 11, the kidney-shaped hole 12, the fixing bolt 13, the engraving assembly 14, the seat body 141, the positioning bump 1411, the driving motor 142, the tool rest 15, the second positioner 16, the second adjusting block 161, the notch 1611, the second positioning screw 162, the vertical screw 17, and the like are used more often, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The utility model provides a three-dimensional engraver, includes first grip slipper (1) and second grip slipper (2), is equipped with a plurality of reduction gears (4) that are connected with carousel (3) on first grip slipper (1), is equipped with top (5) with carousel (3) one-to-one on second grip slipper (2), its characterized in that, reduction gear (4) are fixed with first grip slipper (1) in the axial of carousel (3), and adjacent two connecting axle (41) of reduction gear (4) are through connection structure circumference location and can be relative movement in the axial, the periphery of reduction gear (4) is equipped with first locator (6) that can follow axial displacement reduction gear (4) of connecting axle (41) and make reduction gear (4) location.

2. The stereoengraving machine according to claim 1, characterized in that said first positioner (6) comprises a plurality of first positioning screws (61) and two first adjusting blocks (62) fixedly connected to said first holding table (1), said first positioning screws (61) are axially inserted into said first adjusting blocks (62) along said connecting shaft (41) and are screwed to said first adjusting blocks (62), said reducer (4) is integrally formed with or fixedly connected to said adjusting seat (7), said adjusting seat (7) is disposed between said two first adjusting blocks (62), and said plurality of first positioning screws (61) can respectively abut against said adjusting seat (7).

3. The stereoengraving machine according to claim 2, characterized in that said first clamping table (1) is provided with sliding grooves (8) axially arranged along a connecting shaft (41) of a reducer (4), each of said adjusting seats (7) being slidably connected with said sliding grooves (8).

4. The three-dimensional engraving machine according to claim 1, 2 or 3, wherein the connecting structure comprises a coupler (9), a connecting shaft (41) of the speed reducer (4) and the coupler (9) are circumferentially fixed through a key bar (10), a strip-shaped groove (11) formed in the inner hole wall of the coupler (9) along the axial direction is formed, and the key bar (10) is in sliding connection with the strip-shaped groove (11).

5. The stereoengraving machine according to claim 4, characterized in that said coupling (9) comprises a left toothed sleeve (91) and a right toothed sleeve (92), between said left toothed sleeve (91) and said right toothed sleeve (92) there is an elastic pad (93) and both are fitted in an axially inserted manner.

6. The stereoengraving machine according to claim 1, 2 or 3, characterized in that said connecting structure comprises a key provided on one of the connecting shafts (41) of two adjacent reducers (4) and a connecting hole provided on the other end, said connecting hole being provided on its inner wall with a bar-shaped groove, said one connecting shaft (41) being inserted into the connecting hole and said key being slidably connected with the bar-shaped groove.

7. The three-dimensional engraving machine according to claim 2 or 3, wherein a kidney-shaped hole (12) is axially arranged along the connecting shaft (41) of the reducer (4) on the first clamping table (1), a fixing bolt (13) penetrates through the kidney-shaped hole (12), and the fixing bolt (13) penetrates through the kidney-shaped hole (12) to be fixedly connected with the adjusting seat (7); the width of waist type hole (12) is greater than the external diameter of fixing bolt (13), the upper and lower both sides of first centre gripping platform (1) are along vertical wear to establish respectively and the spiro union has vertical screw (17), vertical screw (17) can support and lean on reduction gear (4).

8. The stereolithography machine according to claim 1, 2 or 3, characterized in that it further comprises an engraving member (14), a bar-shaped tool holder (15) for connecting the engraving member (14), a plurality of carving components (14) are provided, each carving component (14) comprises a base body (141) arranged on the cutter frame (15) and a driving motor (142) fixed on the base body (141) and used for driving a cutter to rotate, the seat body (141) is fixed relative to the tool rest (15) in the axial direction of the driving motor (142) and can move relative to the tool rest (15) in the radial direction of the driving motor (142), a second positioner (16) capable of adjusting the seat (7) to move relative to the tool rest (15) is arranged on the side edge of the seat body (141), and the second positioner (16) can position the seat body (141) in the radial direction of the drive motor (142).

9. The stereocarving machine according to claim 8, characterized in that said second positioner (16) comprises a second adjusting block (161) and a plurality of second positioning screws (162) fixedly connected to the tool holder (15), said second positioning screws (162) are inserted through and screwed to the second adjusting block (161), and said plurality of second positioning screws (162) can respectively abut against the outer periphery of the base body (141) to position the base body (141) in the radial direction of the driving motor (142).

10. The stereocarving machine according to claim 9, characterized in that the left and right sides of the base (141) are respectively integrally formed or fixedly connected with positioning projections (1411), the second positioners (16) are in one-to-one correspondence with the number of the positioning projections (1411), the second positioning screws (162) are respectively disposed on the upper side, the lower side and the protruding side of the positioning projections (1411), and the heads of the second positioning screws (162) abut against the positioning projections (1411).

11. The stereolithography machine according to claim 10, characterized in that said positioning cam (1411) is a rectangular cam, said second adjustment block (161) has a rectangular notch (1611), said positioning cam (1411) is located in said notch (1611), said second positioning screw (162) penetrates into the notch (1611) from three faces of said notch (1611) in the radial direction of the driving motor (142) and abuts against three corresponding faces of the positioning cam (1411).

12. The stereocarving machine according to claim 9, characterized in that a plurality of second positioning screws (162) are respectively disposed on the upper side, the lower side, the left side and the right side of the holder body (141), and the head of each second positioning screw (162) abuts against the holder body (141).

13. The stereocarving machine according to claim 8, characterized in that said carving unit (14) has two seats (141), the driving motor (142) of said carving unit (14) is inserted into the tool holder (15), the two seats (141) are fixed at two ends of the driving motor (142), one seat (141) is located at one side of the tool holder (15), and the other seat (141) is located at the other side of the tool holder (15).