CN210161835U

CN210161835U - Five-axis three-dimensional engraving machine

Info

Publication number: CN210161835U
Application number: CN201920238411.2U
Authority: CN
Inventors: 吴善旺
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-02-25
Filing date: 2019-02-25
Publication date: 2020-03-20
Anticipated expiration: 2029-02-25

Abstract

The utility model provides a five three-dimensional engravers belongs to machining equipment technical field. The five-axis three-dimensional engraving machine solves the problem that the machining precision is not high after the machining efficiency is improved. This five-axis three-dimensional engraver, which comprises a frame and a beam, the crossbeam is along longitudinal sliding connection in the frame, the frame is fixed with the processing platform who is used for fixing a position the work piece at the below level of crossbeam, it is provided with the toolframe to slide on the crossbeam, and the toolframe forms three-dimensional translation for processing platform, the toolframe is rectangular form and follows the top of horizontal setting at processing platform, be equipped with a plurality of rotation seats that can rotate in step on the toolframe, and the axis of rotation lead of rotating the seat is along vertical setting, all be connected with the motor cabinet that has the tool bit on the rotation seat, and the motor cabinet can swing in vertical plane and make the tool bit move towards the not equidirectional. The five-axis three-dimensional engraving machine has higher machining precision after improving the machining efficiency.

Description

Five-axis three-dimensional engraving machine

Technical Field

The utility model belongs to the technical field of machining equipment, a five-axis three-dimensional engraver is related to.

Background

The engraving is a drilling and milling combined machining in principle, has wide application range, comprises a woodworking engraving machine, a laser engraving machine, an advertisement engraving machine, a jade engraving machine, a stone engraving machine, a cylindrical engraving machine and the like, has very wide application range, even replaces a manual engraving technology, and lays a foundation for the mass rapid production of products. In order to improve efficiency, a tool bit on an existing engraving machine can realize multi-axis rotation, and repeated clamping of workpieces is avoided, for example, patent document (application number: 201811015547.3) discloses an engraving robot, which comprises a robot base, wherein a robot, a rotary platform and a controller for controlling the robot to act are arranged on the robot base, the robot comprises a mechanical arm, a multifunctional engraving head is arranged at the tail end of the mechanical arm, the engraving head can swing and face different directions, so that different surfaces of the workpieces are machined, but the robot can only machine one workpiece, so that the efficiency is still low, and in order to improve the working efficiency, a person skilled in the art can easily think of synchronously machining a plurality of workpieces at the same time.

For example, patent document 201410521366.3 discloses a three-dimensional carving machine, which comprises a frame and a workbench, wherein a cross beam is arranged above the workbench, a tool holder is arranged at the side part of the cross beam, a transverse planker is arranged at the side surface of the cross beam, a vertical planker capable of reciprocating along the vertical direction is arranged on the transverse planker, a bearing seat is fixed on the vertical planker, the tool holder is connected with the bearing seat through a bearing, a driving mechanism capable of driving the tool holder to reciprocate by taking the axis of the tool holder along the long strip direction as the axis is arranged on the vertical planker, the carving machine is a five-axis carving machine capable of synchronously processing a plurality of workpieces and has higher efficiency, but the five-axis carving machine selects to process different side surfaces of the workpieces through the circumferential rotation of the workpieces, and simultaneously selects to process the front and rear end surfaces of the workpieces through the rotation of the tool holder, and the weight of the workpieces is larger, and each work piece all fixes a position through respective positioning mechanism, and there is the difference in the location between the different work pieces, and this leads to work piece pivoted precision lower, and the whole cutter frame is rectangular form, and volume and weight are also great, adjusts the orientation of tool bit through rotating the cutter frame, also leads to the regulation precision of tool bit lower, and then has influenced whole machining precision.

Disclosure of Invention

The utility model aims at having the above-mentioned problem to current technique, provided a five three-dimensional engraver for solve the current five three-dimensional engraver and improve the not high problem of machining precision behind the machining efficiency.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a five-axis three-dimensional engraver, includes frame and crossbeam, the crossbeam is along longitudinal sliding connection in the frame, the frame is fixed with the processing platform that is used for fixing a position the work piece at the below level of crossbeam, a serial communication port, it is provided with the toolframe to slide on the crossbeam, and the toolframe forms three-dimensional translation for the processing platform, the toolframe is rectangular form and along transversely setting up the top at the processing platform, be equipped with a plurality of rotation seats that can rotate in step on the toolframe, and rotate the axis of rotation lead along vertical setting of seat, all be connected with the motor cabinet that has the tool bit on rotating the seat, and the motor cabinet can swing in vertical plane and make the tool bit towards the not equidirectional in the vertical plane.

A plurality of workpieces are orderly placed on a processing platform, one tool bit on a tool rest corresponds to one workpiece, the processing platform is fixedly arranged, the cross beam can move relative to the frame, the tool rest can move relative to the cross beam, so that the tool rest can realize transverse, longitudinal and vertical three-dimensional translation relative to the processing platform, thereby processing different positions of the workpieces, when the tool bit moves to the side part or the end part of the workpiece, the motor seat can swing to enable the tool bit to horizontally face, the rotating seat rotates to enable the tool bit to face the side surface or the end surface of the workpiece, thereby processing the side surface and the end surface of the workpiece, and simultaneously combining the rotation of the rotating seat and the motor seat, the tool bit can process the inclined surface on the workpiece, thereby realizing the three-dimensional processing of the workpiece, wherein the tool bit is provided with a plurality of tool bits, a plurality of workpieces are also supported on the processing platform, thereby synchronously processing, in order to improve the processing efficiency, in the process of three-dimensional processing of the workpiece, different surfaces of the workpiece are selected to be processed by rotating the workpiece relative to the existing five-axis engraving machine, the positioning accuracy of a plurality of workpieces is different, the weight of the workpieces is heavy, the rotating accuracy of the workpieces is affected, and the processing accuracy is further affected, the processing platform is fixedly arranged, so that the workpieces are fixed, the selection of different surfaces of the workpieces is realized by the rotation of the rotating seat and the swinging of the motor seat, compared with the situation that each workpiece needs to be positioned and the weight is heavy, the rotating seat and the motor seat are light in weight and high in mounting accuracy, the swinging accuracy of the tool bit is high, the processing accuracy is further improved, the tool rest has larger weight, only does translation without rotation, namely the tool bit does not adjust the direction by the rotation of the tool rest, so that the position accuracy of the tool bit is higher, meanwhile, the plurality of rotating seats synchronously rotate, so that the synchronism of the plurality of tool bits can be ensured, the consistency of the plurality of workpieces after being processed is higher, and the processing precision of the plurality of workpieces is improved on the basis of ensuring the processing efficiency.

In the five-axis three-dimensional engraving machine, the plurality of rotating seats are uniformly arranged at intervals along the length direction of the tool rest. The cutter frame is more uniform in stress, undesirable phenomena such as displacement and inclination of the cutter frame in the long-term use process are avoided, and compared with the cutter frame, workpieces are arranged on the processing platform at uniform intervals, so that the processing of the workpieces is facilitated, the stress of the processing platform is more uniform, the position precision of the workpieces is guaranteed, and the precision of a cutter head and the precision of the workpieces are guaranteed simultaneously, so that the processing precision is improved.

In foretell five three-dimensional engravers, the recess that the opening faced upwards has on the cutter frame, it all connects on the downside of cutter frame to rotate the seat, be equipped with in the recess and drive a plurality of synchronous pivoted driving pieces that rotate the seat. The setting of recess can reduce the weight of cutter frame for the removal of cutter frame is changeed in the control, improves the position precision, and the recess is used for holding the driving piece simultaneously, makes the driving piece more be close to and rotates seat and motor cabinet, and this focus that also makes whole cutter frame is more close to the horizontal central line of cutter frame, and then makes the cutter frame change in the control, and the position precision is higher.

In foretell five three-dimensional engravers, rotate the seat including rotation portion and the connecting portion that are located rotation portion one side, the side rotates with the toolframe through vertical pivot and is connected on the rotation portion, the motor cabinet passes through horizontal rotating shaft and connects in one side of connecting portion, and the motor cabinet is located the below of rotation portion. The rotation portion is used for guaranteeing the stability of rotating the seat, and connecting portion are used for guaranteeing the stability of motor cabinet, and the position of rotation portion and connecting portion sets up to provide installation space for the motor cabinet, and the motor cabinet is located the rotation portion below for the rotation portion atress is more even.

In foretell five three-dimensional engravers, the processing motor has been linked firmly on the motor cabinet, and above-mentioned tool bit is installed on the processing motor, works as the tool bit has the same central line with vertical pivot when vertical down. The processing motor is located the below of rotation portion promptly, and the processing motor has the same central line with vertical pivot when the tool bit is vertical down, consequently behind installation processing motor, the whole focus of rotating the seat is close to the axial lead of vertical pivot more to guarantee to rotate the stability of being connected between seat and the tool rest, improve the position accuracy of tool bit.

In foretell five three-dimensional engravers, all have the cavity in rotation portion and the connecting portion, link firmly in the cavity of connecting portion and turn to the motor, and turn to the motor and pass through belt or gear drive with the motor cabinet and be connected. The setting of cavity can hold drive disk assembly and driver part, and then makes compact structure, and the cavity also makes the weight of rotating the seat littleer simultaneously, and its rotation is changeed in the control, and the precision is higher.

In the five-axis three-dimensional engraving machine, the driving part comprises a plurality of driving motors, the driving motors are all fixed in the grooves of the tool rest and correspond to the rotating seats one by one, and the driving motors are in transmission connection with the vertical rotating shafts through belts. Each rotating seat corresponds to a driving motor, a plurality of driving motors synchronously rotate to realize synchronous driving of the rotating seats, certainly, in the actual assembling process, the driving part can also adopt one driving motor, two adjacent vertical rotating shafts are connected through a belt, the driving motor is connected with one of the vertical rotating shafts through the belt to realize transmission, or each vertical rotating shaft is connected with one speed reducer, the plurality of speed reducers are connected with each other, and the driving motor is connected with one of the speed reducers to realize transmission.

In the five-axis three-dimensional engraving machine, the two longitudinal beams are fixedly connected to the machine frame along the longitudinal direction, the two longitudinal beams are respectively located on two sides of the processing platform and are higher than the processing platform, the longitudinal guide rails are fixedly connected to the two longitudinal beams along the longitudinal direction, the longitudinal guide rails are connected with the longitudinal plankers in a sliding mode, and two ends of the cross beam are fixedly connected to the upper side faces of the two longitudinal plankers respectively. The longitudinal beam is higher than the processing platform, so that a space for adjusting the tool bit is formed between the transverse beam and the processing platform, the longitudinal beam stably supports two ends of the transverse beam, and the transverse beam moves along the longitudinal beam to adjust the longitudinal position of the tool bit.

In the five-axis three-dimensional engraving machine, a transverse guide rail is transversely and fixedly connected to the middle of the cross beam, a transverse carriage is slidably connected to the transverse guide rail, a vertical guide rail is vertically and fixedly connected to the side face of the transverse carriage, a vertical carriage is slidably connected to the vertical guide rail, and the tool rest is fixedly connected to the side face of the vertical carriage. The transverse planker moves on the cross beam along the transverse guide rail to realize the transverse position adjustment of the tool bit, and the vertical planker moves on the transverse planker along the vertical guide rail to realize the height position adjustment of the workpiece.

In the five-axis three-dimensional engraving machine, two longitudinal beams are fixedly connected to the machine frame along the longitudinal direction, the two longitudinal beams are respectively located on two sides of the machining platform and are higher than the machining platform, longitudinal guide rails are fixedly connected to the upper edges of the longitudinal beams along the longitudinal direction, longitudinal plankers are slidably connected to the longitudinal guide rails, downward upright columns are arranged at two ends of each transverse beam, and the lower ends of the two upright columns are fixedly connected to the upper side faces of the two longitudinal plankers respectively. The longitudinal beam is higher than the processing platform, and the two ends of the transverse beam are provided with the stand columns, so that a space for adjusting the tool bit is formed between the transverse beam and the processing platform, the longitudinal beam stably supports the two ends of the transverse beam, and the transverse beam moves along the longitudinal beam to adjust the longitudinal position of the tool bit.

In foretell five three-dimensional engravers, two all along vertical the vertical guide rail that has linked firmly on the side of stand, all sliding connection has perpendicular planker on the vertical guide rail of two stands, two link firmly along a supporting beam that transversely sets up on the perpendicular planker, a horizontal guide rail has been linked firmly along transversely in the middle part of supporting beam, sliding connection has horizontal planker on the horizontal guide rail, the tool carrier links firmly on horizontal planker side. The vertical planker of the structure is connected on a vertical guide rail of the upright post along the vertical sliding way, so that the height position of the tool bit is adjusted, and the transverse planker is connected on the supporting beams of the two vertical plankers in a sliding way, so that the transverse position of the workpiece is adjusted.

The utility model provides a five-axis three-dimensional engraver, includes frame and crossbeam, the crossbeam is along longitudinal sliding connection in the frame, its characterized in that, be provided with the processing platform who is used for fixing a position the work piece along lateral sliding in the frame, be provided with the toolframe along vertical slip on the crossbeam, the toolframe is rectangular form and follows the top of horizontal setting at the processing platform, be equipped with a plurality of rotation seats that can rotate in step on the toolframe, and rotate the axis of rotation lead of seat along vertical setting, all be connected with the motor cabinet that has the tool bit on rotating the seat, and the motor cabinet can swing in vertical plane and make the tool bit move towards the not equidirectional in the vertical plane.

The plurality of workpieces are orderly placed on the processing platform, one tool bit on the tool rest corresponds to one workpiece, the processing platform can move transversely relative to the rack, the cross beam can move longitudinally relative to the rack, the tool rest can move vertically relative to the cross beam, so that the tool rest can realize transverse, longitudinal and vertical three-dimensional translation relative to the processing platform, and different positions of the workpieces are processed, when the tool bit moves to the side part or the end part of the workpiece, the motor base can swing to enable the tool bit to horizontally face, the rotating base rotates to enable the tool bit to face the side surface or the end surface of the workpiece, so that the side surface and the end surface of the workpiece can be processed, and meanwhile, the tool bit can process the inclined surface on the workpiece by combining the rotation of the rotating base and the motor base, so that the three-dimensional processing of the workpiece is realized, wherein the tool bit is arranged on the tool rest, and the processing platform, therefore, a plurality of workpieces can be synchronously processed to improve the processing efficiency, and in the process of three-dimensional processing of the workpieces, compared with the prior art that different surfaces of the workpieces are selected to be processed by rotating the workpieces, the positioning accuracy of the workpieces is different, the weight of the workpieces is large, the rotating accuracy of the workpieces is affected, and the processing accuracy is affected, the processing platform only moves transversely, the selection of different surfaces of the workpieces is realized by the rotation of the rotating seat and the swinging of the motor seat, compared with the condition that each workpiece needs to be positioned and the weight is large, the rotating seat and the motor seat have small weight and high installation accuracy, so the swinging accuracy of the tool bit is high, the processing accuracy is improved, and the tool bit only moves horizontally and cannot rotate due to the fact that the tool bit has large weight, namely the direction is not adjusted by the rotation of the tool bit holder, so the position accuracy of the tool bit is higher, meanwhile, the plurality of rotating seats synchronously rotate, so that the synchronism of the plurality of tool bits can be ensured, the consistency of the plurality of workpieces after being processed is higher, and the processing precision of the plurality of workpieces is improved on the basis of ensuring the processing efficiency.

In foretell five three-dimensional engravers, the recess that the opening faced upwards has on the cutter frame, rotate the seat and all connect on the downside of cutter frame, and a plurality of rotation seats along cutter frame length direction evenly spaced arrangement, be equipped with in the recess and drive the synchronous pivoted driving piece of a plurality of rotation seats. The atress of cutter frame is more even, avoid shifting to appear in the long-term use cutter frame, bad phenomena such as slope, relative with it, the work piece is also even interval arrangement on the processing platform, existing processing to the work piece of being favorable to, also make the atress of processing platform more even, guarantee the position precision of work piece, guarantee the precision of tool bit and work piece promptly and then improve the machining precision simultaneously, the setting of recess can reduce the weight of cutter frame, make the removal of cutter frame change in the control, improve the position precision, the recess is used for holding the driving piece simultaneously, make the driving piece more be close to and rotate seat and motor cabinet, this also makes the focus of whole cutter frame more be close to the horizontal central line of cutter frame, and then make the cutter frame change in the control, the position precision is higher.

In foretell five three-dimensional engravers, rotate the seat including rotation portion and the connecting portion that are located rotation portion one side, the side rotates with the toolframe through vertical pivot on the rotation portion and is connected, the motor cabinet passes through horizontal rotating shaft and connects in one side of connecting portion, and the motor cabinet is located the below of rotation portion, linked firmly the processing motor on the motor cabinet, above-mentioned tool bit is installed on the processing motor, works as the processing motor has the same central line with vertical rotating shaft when the tool bit is vertical down. The processing motor is located the below of rotation portion promptly, and the processing motor has the same central line with vertical pivot when the tool bit is vertical down, consequently behind installation processing motor, the whole focus of rotating the seat is close to the axial lead of vertical pivot more to guarantee to rotate the stability of being connected between seat and the tool rest, improve the position accuracy of tool bit.

In the five-axis three-dimensional engraving machine, the frame is fixedly connected with two longitudinal beams along the longitudinal direction, the two longitudinal beams are respectively positioned at two sides of the processing platform and are higher than the processing platform, the longitudinal beam is fixedly connected with a longitudinal guide rail along the longitudinal direction, the longitudinal guide rail is connected with a longitudinal carriage in a sliding manner, and two ends of the cross beam are respectively fixedly connected to the upper side surfaces of the two longitudinal carriages. The longitudinal beam is higher than the processing platform, so that a space for adjusting the tool bit is formed between the transverse beam and the processing platform, the longitudinal beam stably supports two ends of the transverse beam, and the transverse beam moves along the longitudinal beam to adjust the longitudinal position of the tool bit.

In the five-axis three-dimensional engraving machine, the middle part of the cross beam is fixedly connected with a vertical guide rail along the vertical direction, the vertical guide rail is connected with a vertical carriage in a sliding manner, and the cutter frame is fixedly connected on the side surface of the vertical carriage. The vertical planker moves on the cross beam along the vertical guide rail, so that the height position of the workpiece is adjusted.

In foretell five-axis three-dimensional engraver, transversely linked firmly the transverse guide along on the frame, sliding connection has horizontal bracket on the transverse guide, the processing platform is flat-plate-shaped, and the processing platform level sets up and sliding connection is on the transverse guide. The processing platform moves on the frame along the transverse guide rail to realize the transverse position adjustment of the workpiece.

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

1. because set up a plurality of tool bits on the cutter frame, consequently can synchronous processing a plurality of work pieces to improve machining efficiency, the fixed or only horizontal translation of seat of simultaneous processing platform realizes the selection to the different faces of work piece through the rotation of rotating the seat and the swing of motor cabinet, and the swing precision of tool bit is high, and then improves the machining precision.

2. Because a plurality of seats that rotate are synchronous, consequently can guarantee the synchronism of a plurality of tool bits for the uniformity after a plurality of work pieces are processed is higher, and then improves the machining precision of a plurality of work pieces on the basis of guaranteeing machining efficiency.

Drawings

Fig. 1 is a schematic perspective view of a five-axis three-dimensional engraving machine.

Fig. 2 is a structural top view of a five-axis three-dimensional engraving machine.

Fig. 3 is a structural front view of a five-axis three-dimensional engraving machine.

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

Fig. 5 is an enlarged view of the structure at B in fig. 1.

Fig. 6 is an enlarged view of the structure at C in fig. 4.

Fig. 7 is a structural plan view of the five-axis three-dimensional engraving machine according to the second embodiment.

Fig. 8 is a schematic perspective view of a five-axis three-dimensional engraving machine according to a fourth embodiment.

Fig. 9 is a structural side view of a five-axis three-dimensional engraving machine in the fourth embodiment.

Fig. 10 is a schematic perspective view of a five-axis three-dimensional engraving machine according to the fifth embodiment.

Fig. 11 is a front view of the five-axis three-dimensional engraving machine in the fifth embodiment.

Fig. 12 is a structural side view of a five-axis three-dimensional engraving machine in the fifth embodiment.

Fig. 13 is a schematic structural view of a machining motor and a tool bit in the ninth embodiment.

In the figure, 1, a frame; 11. a stringer; 12. a longitudinal guide rail; 13. a longitudinal motor; 14. a side plate; 2. a cross beam; 21. a transverse guide rail; 22. a transverse motor; 23. a column; 24. mounting a plate; 3. a processing platform; 4. a tool holder; 41. a groove; 42. a rotating seat; 421. a rotating part; 422. a connecting portion; 423. a cavity; 424. a vertical rotating shaft; 43. a motor base; 431. a horizontal rotating shaft; 44. processing a motor; 45. a cutter head; 46. a steering motor; 47. a drive motor; 5. a longitudinal planker; 51. a longitudinal slide block; 6. a transverse carriage; 61. a transverse slide block; 62. a vertical guide rail; 63. a vertical motor; 7. a vertical planker; 71. a vertical slide block; 72. and supporting the beam.

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:

as shown in fig. 1, a five-axis three-dimensional engraving machine comprises a frame 1, a cross beam 2 is arranged above the frame 1, the cross beam 2 is horizontally arranged along a transverse direction, two longitudinal beams 11 are fixed on the frame 1, the two longitudinal beams 11 are longitudinally arranged, two ends of the cross beam 2 are respectively connected to the longitudinal beams 11 in a sliding manner along the longitudinal direction, namely, the longitudinal beams 11 support two ends of the cross beam 2, a processing platform 3 is fixed on the frame 1, the processing platform 3 is horizontally arranged in a plate shape and has a flat upper side surface for supporting and positioning a workpiece, the processing platform 3 is arranged between the two longitudinal beams 11, the longitudinal beams 11 are higher than the processing platform 3, the processing platform 3 is arranged below the cross beam 2, so that a large space is formed between the processing platform and the cross beam 2, side plates 14 are vertically fixed below the longitudinal beams 11, the two side plates 14 are arranged on two sides of the processing platform 3 for shielding two sides of the processing platform, As shown in fig. 3, a tool holder 4 is connected to the cross beam 2, the tool holder 4 is in a long strip shape and is arranged in a transverse direction, the tool holder 4 can move in the transverse direction and a vertical direction, four rotating seats 42 are arranged on the tool holder 4, the four rotating seats 42 are uniformly arranged along the length direction of the tool holder 4 at intervals, as shown in fig. 4 and 5, motor seats 43 are connected to the rotating seats 42, processing motors 44 are fixed on the motor seats 43, a tool bit 45 is mounted on each processing motor 44, the rotating seats 42 can rotate in a circumferential direction, the rotating axes are arranged in the vertical direction, the motor seats 43 can swing, the swinging axes are arranged in a horizontal direction, that is, the tool holder 4 can move transversely, longitudinally and vertically in three-dimensional relative to the processing platform 3, and the five-dimensional motion of the tool bit 45 is realized by combining the rotation of the rotating seats 42 and the swinging of the motor seats 43, different positions and different orientations of the tool tip 45 are adjusted to perform the three-dimensional machining of the work piece.

Specifically, the tool rack 4 is provided with a groove 41 with an upward opening, so that the tool rack 4 is thin-walled as a whole and light in weight, the rotary seats 42 are all positioned below the tool rack 4, as shown in fig. 6, each rotary seat 42 is L-shaped and comprises a rotary part 421 and a connecting part 422, the connecting part 422 is positioned at one side below the rotary part 421, a vertical rotating shaft 424 is connected to the upper side of the rotary part 421, the vertical rotating shaft 424 penetrates through the tool rack 4 and extends into the groove 41, four driving motors 47 are fixed in the grooves 41, the four driving motors 47 are respectively positioned at the side parts of the four vertical rotating shafts 424, the driving motors 47 and the vertical rotating shafts 424 are connected through a belt, the rotary part 421 and the connecting part 422 are provided with cavities 423, the motor seats 43 are connected to one side of the connecting part 422 through a horizontal rotating shaft 431, the horizontal rotating shaft 431 extends into the cavities 423, a steering motor 46 is fixed in the cavities 423, the steering motor 46 is connected with the horizontal rotating shaft 431 through belt transmission, the motor base 43 is positioned below the rotating portion 421, the side portion of the machining motor 44 is fixed with the motor base 43, so that the machining motor 44 is also positioned below the rotating portion 421, and the machining motor 44 and the vertical rotating shaft 424 have the same center line when the cutter head 45 is vertically downward.

The cross beam 2 is connected to the longitudinal beams 11 through longitudinal plankers 5, the tool rest 4 is connected to the cross beam 2 through a transverse planker 6 and a vertical planker 7, specifically, longitudinal guide rails 12 are longitudinally fixed on the upper side surfaces of the two longitudinal plankers 11, two longitudinal plankers 5 are provided, a longitudinal slider 51 is fixed on the lower side surface of the longitudinal planker 5, the longitudinal sliders 51 of the two longitudinal plankers 5 are respectively connected with the two longitudinal guide rails 12 in a sliding manner, namely, the two longitudinal plankers 5 are respectively positioned on the two sides of the processing platform 3, the longitudinal plankers 5 are horizontally arranged, the two ends of the cross beam 2 are respectively fixed on the upper side surfaces of the two longitudinal plankers 5, longitudinal motors 13 are respectively fixed on the two longitudinal plankers 11, the two longitudinal motors 13 are respectively matched with nuts through a screw rod to drive the longitudinal plankers 5 to move, a pair of transverse guide rails 21 is fixed on the front side surface of the middle part of the cross beam 2, the two groups of transverse sliding blocks 61 are respectively connected on the two transverse guide rails 21 in a sliding manner, a transverse motor 22 is further fixed on the cross beam 2, and the transverse motor 22 drives the transverse carriage 6 to move transversely in a reciprocating manner through the matching of a screw rod and a nut. The upper portion of the transverse planker 6 is higher than the cross beam 2, a pair of vertical guide rails 62 is fixed on the front side face of the transverse planker 6, the vertical guide rails 62 are vertically arranged, the vertical planker 7 is vertically arranged, two groups of vertical sliding blocks 71 are fixed on the rear side face of the vertical planker 7, the two groups of vertical sliding blocks 71 are respectively connected onto the two vertical guide rails 62 in a sliding mode, a vertical motor 63 is fixed on the top of the transverse planker 6, the vertical motor 63 drives the vertical planker 7 to vertically reciprocate through the matching of a lead screw and a nut, and the middle portion of the rear side face of the cutter frame 4 is attached and fixed on the front side face of the. Of course, the cross beam 2 may be fixed with the vertical guide rail 62, the vertical carriage 7 is slidably connected to the vertical guide rail 62, the vertical carriage 7 is fixed with the transverse guide rail 21, the transverse carriage 6 is slidably connected to the transverse guide rail 21, and the tool rest 4 is fixed to the transverse carriage 6, so that only the longitudinal and transverse movement of the processing platform 3 can be realized.

Example two:

the five-axis three-dimensional engraving machine has a structure basically the same as that of the first embodiment, and is different from the first embodiment in that as shown in fig. 7, the driving member includes a driving motor 47, two adjacent vertical rotating shafts 424 are connected through a belt, and the driving motor 47 is connected with one of the vertical rotating shafts 424 through a belt to realize transmission.

Example three:

the structure of the five-axis three-dimensional engraving machine is basically the same as that of the first embodiment, and the difference is that the driving piece comprises a driving motor 47, each vertical rotating shaft 424 is connected with a speed reducer, two adjacent speed reducers are connected through a connecting shaft, and the driving motor 47 is connected with one of the speed reducers through the connecting shaft.

Example four:

the five-axis three-dimensional engraving machine has the same structure as the first embodiment, and is different from the first embodiment in that, as shown in fig. 8 and 9, two ends of a cross beam 2 are respectively provided with downward upright posts 23, the lower ends of the two upright posts 23 are respectively fixedly connected to the upper side surfaces of two longitudinal plankers 5, the front side surfaces of the two upright posts 23 are respectively and vertically fixedly connected with a pair of vertical guide rails 62, two vertical plankers 7 are provided, the rear side surfaces of the two vertical plankers 7 are respectively and fixedly connected with two groups of vertical sliding blocks 71, the vertical sliding blocks 71 of the two vertical plankers 7 are respectively and slidably connected to the vertical guide rails 62 of the two upright posts 23, the top of each upright post 23 is respectively and fixedly provided with a vertical motor 63, the vertical motor 63 drives the vertical plankers 7 to move by matching with nuts through lead screws, a supporting beam 72 is fixed on the two vertical plankers 7, the supporting beam 72 is transversely arranged, a pair, two groups of transverse sliding blocks 61 are fixed on the rear side surface of the transverse carriage 6, the two groups of transverse sliding blocks 61 are respectively connected on the two transverse guide rails 21 in a sliding manner, a transverse motor 22 is fixed on the support beam 72, the transverse motor 22 drives the transverse carriage 6 to move through the matching of a screw rod and a nut, and the tool rest 4 is fixed on the transverse carriage 6.

Example five:

the five-axis three-dimensional engraving machine has a structure substantially the same as that of the first embodiment, and is different from the first embodiment in that, as shown in fig. 10, 11, and 12, a pair of transverse guide rails 21 is fixed on the frame 1, the transverse guide rails 21 are transversely arranged, two sets of transverse sliders 61 are fixed on the lower side surface of the processing platform 3, and the two sets of transverse sliders 61 are respectively connected to the two transverse guide rails 21 in a sliding manner. The middle part of crossbeam 2 is fixed with mounting panel 24, the vertical setting of mounting panel 24, and the upper portion of mounting panel 24 is higher than crossbeam 2, be fixed with a pair of vertical guide rail 62 on the mounting panel 24 leading flank, vertical guide rail 62 is along vertical setting, be fixed with two sets of vertical sliders 71 on the trailing flank of perpendicular planker 7, these two sets of vertical sliders 71 sliding connection respectively are on two vertical guide rail 62, be fixed with vertical motor 63 at the installation department top, vertical motor 63 passes through lead screw and nut cooperation drive perpendicular planker 7 and removes, tool rest 4 is fixed on perpendicular planker 7.

Example six:

this five-axis three-dimensional engraver's structure is the same basically with embodiment one, the difference lies in that processing platform 3 goes up and is fixed with a plurality of positioning seats on the side, the positioning seat has the level and smooth side of going up that is used for supporting the work piece, the air flue has been seted up in the positioning seat, the air flue can be connected with the air pump, absorption recess has been seted up on the side of going up of positioning seat, it is the setting of field font rule to adsorb the recess, and adsorb recess and air flue intercommunication, lateral part at the positioning seat still is fixed with spacing cylinder, the piston rod of this spacing cylinder is vertical up, and be fixed with the shaft-like backer of L shape on the piston rod, the one end level of backer sets up, the other end is vertical.

Example seven:

the structure of this five-axis three-dimensional engraver is basically the same as embodiment one, the difference lies in that the side is fixed with a plurality of location cylinders on the processing platform 3, the piston rod of this location cylinder is up, the piston rod tip of location cylinder is fixed with long banding pressure arm, this pressure arm sets up along left right direction, the tip along vertical screw of having seted up at pressure arm, threaded connection has adjusting screw in the screw, be fixed with discoid pressure material seat at adjusting screw's lower extreme, it is relative with the side on the work piece to make pressure material seat when the work piece is placed on processing platform 3, can compress tightly the work piece on processing platform 3 when the piston rod of location cylinder contracts.

Example eight:

the structure of this five-axis three-dimensional engraver is the same basically with embodiment one, and the difference lies in that processing platform 3 is gone up and is fixed with a plurality of centre gripping cylinders and a plurality of grip slipper on the side, and the centre gripping cylinder is located one side of grip slipper, and the piston rod of centre gripping cylinder is towards the grip slipper along left right direction, is fixed with the grip block at the piston rod tip of centre gripping cylinder, and this grip block is relative with the grip slipper, places the work piece between grip slipper and grip block, passes through the grip block through the centre gripping cylinder and presss from both sides the work piece tight location between grip slipper and grip block.

Example nine:

the structure of the five-axis three-dimensional engraving machine is basically the same as that of the first embodiment, and the difference is that as shown in fig. 13, the processing motor 44 is a double-output shaft motor, tool bits 45 are mounted at two ends of the processing motor 44, the middle part of the processing motor 44 is fixed on the motor base 43, and the tool bits 45 can swing in a vertical plane through the rotation of the motor base 43, so that different tool bits 45 can be selected, different surfaces of a workpiece can also be selected to be processed, of course, the processing motor 44 can also adopt two single-output shaft motors, one tool bit 45 is mounted on each processing motor 44, and the tool bits 45 of the two processing motors 44 face oppositely.

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 frame 1, stringer 11, longitudinal rail 12, etc. are used more here, 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. A five-axis three-dimensional engraving machine comprises a frame (1) and a beam (2), wherein the beam (2) is connected to the frame (1) in a longitudinal sliding manner, a processing platform (3) for positioning a workpiece is horizontally fixed below the cross beam (2) of the frame (1), it is characterized in that the cross beam (2) is provided with a tool rest (4) in a sliding way, the tool rest (4) forms three-dimensional translation relative to the processing platform (3), the cutter frame (4) is in a strip shape and is arranged above the processing platform (3) along the transverse direction, a plurality of rotating seats (42) which can rotate synchronously are arranged on the cutter frame (4), the rotating axis of the rotating base (42) is arranged along the vertical direction, the rotating base (42) is connected with a motor base (43) with a cutter head (45), and the motor base (43) can swing in a vertical plane to enable the cutter head (45) to face different directions in the vertical plane.

2. The five-axis three-dimensional engraving machine according to claim 1, wherein a plurality of the rotating seats (42) are uniformly spaced along the length direction of the tool holder (4).

3. The five-axis three-dimensional engraving machine according to claim 2, wherein the tool holder (4) is provided with a groove (41) with an upward opening, the rotating seats (42) are connected to the lower side surface of the tool holder (4), and a driving member capable of driving the rotating seats (42) to rotate synchronously is arranged in the groove (41).

4. The five-axis three-dimensional engraving machine according to claim 3, wherein the rotating base (42) comprises a rotating part (421) and a connecting part (422) positioned on one side of the rotating part (421), the upper side surface of the rotating part (421) is rotatably connected with the tool holder (4) through a vertical rotating shaft (424), the motor base (43) is connected on one side of the connecting part (422) through a horizontal rotating shaft (431), and the motor base (43) is positioned below the rotating part (421).

5. The five-axis three-dimensional engraving machine according to claim 4, wherein the motor base (43) is fixedly connected with a machining motor (44), the tool bit (45) is mounted on the machining motor (44), and the machining motor (44) and the vertical rotating shaft (424) have the same center line when the tool bit (45) faces downwards vertically.

6. The five-axis three-dimensional engraving machine according to claim 4 or 5, wherein the rotating part (421) and the connecting part (422) are provided with cavities (423), the cavities (423) of the connecting part (422) are fixedly connected with a steering motor (46), and the steering motor (46) is in transmission connection with the horizontal rotating shaft (431) through a belt or a gear.

7. The five-axis three-dimensional engraving machine according to claim 6, wherein the driving member comprises a plurality of driving motors (47), the plurality of driving motors (47) are fixed in the grooves (41) of the tool holder (4) and correspond to the plurality of rotating seats (42) one by one, and the driving motors (47) are in transmission connection with the vertical rotating shaft (424) through belts.

8. The five-axis three-dimensional carving machine according to any one of claims 1 to 5, characterized in that two longitudinal beams (11) are fixedly connected to the machine frame (1) along a longitudinal direction, the two longitudinal beams (11) are respectively located at two sides of the processing platform (3), the longitudinal beams (11) are higher than the processing platform (3), longitudinal guide rails (12) are fixedly connected to the two longitudinal beams (11) along the longitudinal direction, longitudinal plankers (5) are slidably connected to the longitudinal guide rails (12), and two ends of the cross beam (2) are respectively fixedly connected to the upper side surfaces of the two longitudinal plankers (5).

9. The five-axis three-dimensional engraving machine according to claim 8, wherein a transverse guide rail (21) is fixedly connected to the middle of the cross beam (2) in the transverse direction, a transverse carriage (6) is slidably connected to the transverse guide rail (21), a vertical guide rail (62) is vertically fixedly connected to the side surface of the transverse carriage (6), a vertical carriage (7) is slidably connected to the vertical guide rail (62), and the tool holder (4) is fixedly connected to the side surface of the vertical carriage (7).

10. The five-axis three-dimensional carving machine according to any one of claims 1 to 5, characterized in that two longitudinal beams (11) are fixedly connected to the machine frame (1) along a longitudinal direction, the two longitudinal beams (11) are respectively located at two sides of the processing platform (3), the longitudinal beams (11) are higher than the processing platform (3), longitudinal guide rails (12) are fixedly connected to the longitudinal beams (11) along the longitudinal direction, longitudinal plankers (5) are slidably connected to the longitudinal guide rails (12), two ends of the cross beam (2) are respectively provided with downward-facing upright posts (23), and lower ends of the two upright posts (23) are respectively fixedly connected to upper side faces of the two longitudinal plankers (5).

11. The five-axis three-dimensional engraving machine according to claim 10, wherein vertical guide rails (62) are vertically fixedly connected to the side surfaces of the two upright columns (23), vertical carriages (7) are slidably connected to the vertical guide rails (62) of the two upright columns (23), supporting beams (72) arranged in the transverse direction are fixedly connected to the two vertical carriages (7), a transverse guide rail (21) is transversely fixedly connected to the middle of each supporting beam (72), a transverse carriage (6) is slidably connected to the transverse guide rail (21), and the tool rest (4) is fixedly connected to the side surface of the transverse carriage (6).

12. The utility model provides a five-axis three-dimensional engraver, includes frame (1) and crossbeam (2), crossbeam (2) are along longitudinal sliding connection on frame (1), its characterized in that, be provided with machining platform (3) that are used for fixing a position the work piece along lateral sliding on frame (1), be provided with tool holder (4) along vertical slip on crossbeam (2), tool holder (4) are rectangular form and along the top of horizontal setting at machining platform (3), be equipped with a plurality of pivoted rotation seats (42) that can synchronize on tool holder (4), and rotate the axis of rotation of seat (42) and follow vertical setting, all be connected with motor cabinet (43) that have tool bit (45) on rotation seat (42), and motor cabinet (43) can swing in vertical plane and make tool bit (45) towards the not equidirectional in the vertical plane.

13. The five-axis three-dimensional engraving machine according to claim 12, wherein the tool holder (4) has a groove (41) with an upward opening, the rotating seats (42) are all connected to the lower side surface of the tool holder (4), the rotating seats (42) are uniformly spaced along the length direction of the tool holder (4), and a driving member capable of driving the rotating seats (42) to rotate synchronously is arranged in the groove (41).

14. The five-axis three-dimensional engraving machine according to claim 13, wherein the rotating base (42) comprises a rotating part (421) and a connecting part (422) located on one side of the rotating part (421), the upper side of the rotating part (421) is rotatably connected with the tool holder (4) through a vertical rotating shaft (424), the motor base (43) is connected on one side of the connecting part (422) through a horizontal rotating shaft (431), the motor base (43) is located below the rotating part (421), a machining motor (44) is fixedly connected to the motor base (43), the tool bit (45) is installed on the machining motor (44), and the machining motor (44) and the vertical rotating shaft (424) have the same center line when the tool bit (45) faces downwards vertically.

15. The five-axis three-dimensional engraving machine according to claim 14, wherein the rotating part (421) and the connecting part (422) are provided with cavities (423), the cavities (423) of the connecting part (422) are fixedly connected with a steering motor (46), and the steering motor (46) is in transmission connection with the motor base (43) through a belt or a gear.

16. The five-axis three-dimensional engraving machine according to claim 14 or 15, wherein the driving member comprises a plurality of driving motors (47), the plurality of driving motors (47) are fixed in the grooves (41) of the tool holder (4) and correspond to the plurality of rotating seats (42) one by one, and the driving motors (47) are in belt transmission connection with the vertical rotating shaft (424).

17. The five-axis three-dimensional carving machine according to any one of claims 12 to 15, characterized in that two longitudinal beams (11) are fixedly connected to the machine frame (1) along a longitudinal direction, the two longitudinal beams (11) are respectively located at two sides of the processing platform (3), the longitudinal beams (11) are higher than the processing platform (3), longitudinal guide rails (12) are fixedly connected to the longitudinal beams (11) along the longitudinal direction, longitudinal plankers (5) are slidably connected to the longitudinal guide rails (12), and two ends of the cross beam (2) are respectively fixedly connected to the upper sides of the two longitudinal plankers (5).

18. The five-axis three-dimensional carving machine according to any one of claims 12 to 15, characterized in that a vertical guide rail (62) is fixedly connected to the middle of the cross beam (2) along the vertical direction, a vertical planker (7) is slidably connected to the vertical guide rail (62), and the tool rest (4) is fixedly connected to the side surface of the vertical planker (7).

19. The five-axis three-dimensional engraving machine according to any one of claims 12 to 15, wherein a transverse guide rail (21) is transversely fixedly connected to the frame (1), the processing platform (3) is flat, and the processing platform (3) is horizontally arranged and slidably connected to the transverse guide rail (21).