CN214393388U

CN214393388U - Be applied to main shaft rotary mechanism of engraver

Info

Publication number: CN214393388U
Application number: CN202120295098.3U
Authority: CN
Inventors: 方杰
Original assignee: Zhejiang Dema Intelligent Equipment Co ltd
Current assignee: Zhejiang Dema Intelligent Equipment Co ltd
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2021-10-15
Anticipated expiration: 2031-02-02

Abstract

The application relates to a be applied to main shaft rotary mechanism of engraver, including the installing support, install the aircraft nose on the installing support and set up the rotating assembly between aircraft nose and installing support, rotating assembly includes rotary driving spare, rotating transmission spare and swivelling joint spare, rotary driving spare install in on the installing support, rotating transmission spare is used for connecting rotary driving spare and rotating installation spare, be connected between rotating installation spare and the aircraft nose. This application has the effect that can process the curved surface.

Description

Be applied to main shaft rotary mechanism of engraver

Technical Field

The application relates to the technical field of engraving machines, in particular to a spindle rotating mechanism applied to an engraving machine.

Background

The existing engraving machine is a machine tool for combined drilling and milling machining.

The conventional engraving machine generally includes a placing platform for placing a workpiece, a traveling device installed on the placing platform, and a main machine head installed on the traveling device. The walking device generally comprises a horizontal walking assembly which axially slides along the table top, a longitudinal walking assembly which longitudinally slides along the horizontal walking assembly, and an axial walking assembly which is arranged on the longitudinal walking assembly gradually, wherein the main machine head is fixed on the axial walking device, so that the main machine head can be adjusted along three directions of an X, Y, Z shaft, and the processing of a workpiece on a plane can be realized under the condition of three-shaft linkage.

However, in the actual process of machining, the above-mentioned engraving machine cannot machine a workpiece having a curved surface, or when the surface of the workpiece is curved, the engraving work cannot be completed.

SUMMERY OF THE UTILITY MODEL

In order to process the curved surface, the application provides a main shaft rotating mechanism applied to an engraving machine.

The technical scheme provided by the application is as follows:

the utility model provides a be applied to main shaft rotary mechanism of engraver, includes the installing support, installs the aircraft nose on the installing support and sets up the rotating assembly between aircraft nose and installing support, rotating assembly includes rotary driving piece, rotating transmission spare and swivelling joint spare, rotary driving piece install in on the installing support, rotating transmission spare is used for connecting rotary driving piece and rotatory installed part, be connected between rotatory installed part and the aircraft nose.

Through adopting above-mentioned technical scheme, at the in-process of installation, the rotating drive spare is connected with the installing support, be connected between swivel mount spare and the aircraft nose, the power transmission of rotating drive spare on with the rotating drive spare is to the swivel mount spare on, thereby drive the swivel mount spare and rotate, realize the regulation to the angle of aircraft nose, make the aircraft nose can in time adjust according to the surface radian that is located the work piece on the work platform, thereby make the engraver can accomplish the processing to the curved surface, the holistic application scope of engraver has been promoted.

Optionally, the rotary driving part is a servo motor, the rotary driving part comprises a driving belt wheel connected with the servo motor, a synchronous belt wheel arranged at the bottom of the synchronous belt, a speed reducer sleeved on the synchronous belt wheel outside the driving belt wheel and the synchronous belt wheel and connected between the synchronous belt wheel and the rotary mounting part, the servo motor is fixedly connected with the mounting bracket, the input end of the speed reducer is fixed with the synchronous belt wheel, and the output end of the speed reducer is fixed with the rotary mounting part.

By adopting the technical scheme, the rotary transmission parts are set as the driving belt wheel and the synchronous belt wheel, so that the first speed reduction of the servo motor in the power transmission process is realized, and then the second speed reduction is carried out through the speed reducer to meet the transmission requirement of the servo motor, so that the requirement on the transmission efficiency of the speed reducer is reduced, and the integral transmission ratio of the speed reducer can be adjusted according to the first transmission ratio, so that the requirement on accessories required by the engraving machine is reduced; and the servo motor can be arranged above the machine head, so that the space required for arranging the servo motor is reduced, and the volume of the machine head is reduced.

Optionally, the inner side of the rotating installation part is connected with the speed reducer, the outer side of the rotating installation part is connected with the machine head, a connecting rib plate is arranged on the side wall of the machine head, a plurality of connecting through holes are formed in the side wall of the connecting rib plate at intervals along the length direction of the connecting rib plate, and a connecting piece in threaded connection with the rotating installation part is arranged in each connecting through hole.

Through adopting above-mentioned technical scheme, made things convenient for being connected between rotatory installed part and aircraft nose and the reduction gear.

Optionally, the side of the connecting through hole facing away from the machine head horizontally penetrates through the side wall of the connecting rib plate.

Through adopting above-mentioned technical scheme, made things convenient for the installation between connecting piece and the connection rib plate.

Optionally, a mounting plate is installed on the side wall of the servo motor, a mounting rib plate is fixed on the mounting bracket, and the mounting rib plate is connected with the mounting plate.

By adopting the technical scheme, the mounting plate is arranged on the side wall of the servo motor, so that the servo motor and the mounting bracket can be conveniently mounted; the installation rib plates are arranged, the overall shearing resistance of the installation support is improved, and the probability of bending deformation of the installation support is reduced.

Optionally, two sides of the mounting plate correspond to the mounting rib plates, two positioning holes are formed in the two sides of the mounting plate, a sliding cavity is formed in the inner wall of each positioning hole, and a bolt in threaded connection with the mounting rib plates is arranged in each positioning hole.

Through adopting above-mentioned technical scheme, can adjust the interval between mounting panel and the synchronous pulley to make the hold-in range can keep in appropriate rate of tension.

Optionally, a tensioning assembly is further arranged on the mounting bracket, the tensioning assembly comprises a positioning plate arranged at the bottom of the mounting rib plate, the positioning plate is fixed to the mounting bracket, at least one compression bolt is arranged at the bottom of the positioning plate along the length direction of the positioning plate, and the top of the compression bolt is compressed with the bottom of the mounting plate.

By adopting the technical scheme, the adjustment of the distance between the mounting plate and the synchronous belt wheel is facilitated, and the probability of axial deviation of the mounting plate relative to the mounting rib plate is reduced, so that the probability of looseness of the synchronous belt is reduced.

Optionally, the number of the compression bolts is two along the length direction of the positioning plate.

Through adopting above-mentioned technical scheme, promoted the tensioning assembly to the supporting effect of mounting panel for the atress of mounting panel is more balanced.

Optionally, a mounting groove for mounting the rotating assembly is formed on one side of the mounting bracket, which is away from the machine head, and protection plates are formed on two sides of the mounting bracket.

Through adopting above-mentioned technical scheme, made things convenient for the installation between installing component and the installing support, and made the both sides of installing support be formed with the guard plate, when having increased the structural strength of installing support, can play certain protection effect to the rotating assembly who is located the installing support.

Optionally, a plurality of structural reinforcing ribs are arranged on the inner wall of the mounting groove at intervals along the height direction of the mounting groove, wherein two structural reinforcing ribs are respectively arranged on two sides of the mounting rib.

Through adopting above-mentioned technical scheme, further increased the holistic structural strength of installing support, reduced the probability that the installing support takes place to warp.

In summary, the present application includes at least one of the following beneficial technical effects:

by arranging the rotating assembly, the curved surface can be machined;

the tightness of the rotating transmission part can be adjusted by arranging the pressing component;

through setting up the structure reinforcing floor, promoted the structural strength of installing support.

Drawings

Fig. 1 is a schematic view of the overall structure of embodiment 1 of the present application.

Fig. 2 is a schematic diagram of an explosive structure of embodiment 1 of the present application.

Fig. 3 is a schematic view of a partial explosion structure of embodiment 1 of the present application.

Fig. 4 is a partial structural schematic diagram of embodiment 2 of the present application.

Fig. 5 is a partial structural schematic diagram of embodiment 3 of the present application.

Reference number specification, 1, mounting bracket; 11. installing a groove; 111. a structural reinforcing rib plate; 12. a protection plate; 13. mounting holes; 14. rotating the through hole; 15. installing a rib plate; 151. positioning the screw hole; 2. a machine head; 21. connecting rib plates; 22. a connecting through hole; 3. a rotating assembly; 31. a rotary drive member; 311. mounting a plate; 312. positioning holes; 313. a sliding cavity; 32. rotating the transmission member; 321. a driving pulley; 322. a synchronous pulley; 323. a synchronous belt; 324. a speed reducer; 33. a rotating connector; 331. a connecting plate; 332. a connecting screw hole; 333. a connecting member; 334. positioning a nut; 4. a tension assembly; 41. positioning a plate; 42. and pressing the bolt.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

In the case of the example 1, the following examples are given,

the embodiment of the application discloses a main shaft rotating mechanism applied to an engraving machine, and with reference to fig. 1 and 2, the main shaft rotating mechanism comprises a mounting bracket 1, a machine head 2 mounted on the mounting bracket 1, a rotating assembly 3 arranged between the machine head 2 and the mounting bracket 1, and a tensioning assembly 4 for tensioning and adjusting the rotating assembly 3. The rotating assembly 3 comprises a rotary drive 31, a rotary transmission 32 and a rotary connection 33.

Referring to fig. 2 and 3, a mounting groove 11 for mounting the rotating assembly 3 is formed in a side wall of the mounting bracket 1, and protection plates 12 are formed at both sides of the mounting bracket 1. The side wall of the mounting groove 11 is provided with a mounting hole 13 and a rotary through hole 14 at intervals along the height direction, both sides of the mounting hole 13 are fixedly provided with a mounting rib plate 15, and the mounting rib plate 15 is provided with a plurality of positioning screw holes 151 at intervals along the length direction. The inner wall of the mounting groove 11 is provided with a plurality of structural reinforcing ribs 111 at intervals along the height direction thereof, wherein two structural reinforcing ribs 111 are respectively provided on both sides of the mounting rib 15.

The rotary driving member 31 is a servo motor, one side of the servo motor facing the mounting bracket 1 is provided with a mounting plate 311, the mounting plate 311 is connected with the servo motor through bolts, a plurality of positioning holes 312 are respectively formed in two sides of the mounting plate 311 along the height direction of the mounting plate, each positioning hole 312 corresponds to a positioning screw hole 151 located on the mounting rib plate 15, a sliding cavity 313 for allowing the mounting plate 311 to slide axially relative to the mounting rib plate 15 is formed in each positioning hole 312, and the positioning holes 312 are communicated with the sliding cavity 313.

In this embodiment, the mounting rib plate 15 and the mounting bracket 1 are fixed by welding, the number of the positioning screw holes 151 is 3, the number of the positioning holes 312 on both sides of the mounting plate 311 is 2, and the positioning holes 312 on both sides of the positioning plate 41 correspond to the two adjacent positioning screw holes 151 on both sides of the mounting rib plate 15 during mounting, and are fixed by bolts.

The output shaft of the rotary driving member 31 passes through the rotary through hole 14 and then extends into the mounting groove 11, the rotary mounting member is a connecting plate 331, and the connecting plate 331 and the rotary driving member 31 are connected by bolts. The two sides of the machine head 2 are provided with connecting rib plates 21, the side walls of the connecting rib plates 21 are provided with connecting through holes 22, the connecting plate 331 is provided with connecting screw holes 332 corresponding to the connecting through holes 22, and the connecting through holes 22 are internally provided with connecting pieces 333, in the embodiment, the connecting pieces 333 are connecting bolts, and the connecting bolts penetrate through the connecting through holes 22 and then are in threaded connection with the connecting screw holes 332. During installation, the connection plate 331 is connected to the rotary actuator 32 and then to the handpiece 2.

The rotary transmission member 32 includes a driving pulley 321, a timing pulley 322, a timing belt 323, and a speed reducer 324. The driving pulley 321 is installed at an output shaft of the servo motor, the synchronous pulley 322 is connected with the speed reducer 324, and the synchronous pulley 322 and the driving pulley 321 are driven by the synchronous belt 323.

The reducer 324 is selected as an RV reducer 324, an input disc of the RV reducer 324 is connected with the synchronous pulley 322, an output disc of the RV reducer 324 passes through a rotating hole on the mounting bracket 1 and then is fixed with the handpiece 2, and a housing of the RV reducer 324 is fixed with the mounting bracket 1. The timing belt 323 connects the timing pulley 322 and the driving pulley 321, so as to transmit the power of the servo motor to the handpiece 2, thereby controlling the rotation of the handpiece 2.

The tension assembly 4 is installed below the mounting rib 15, and the tension assembly 4 includes a positioning plate 41 and a pressing bolt 42. The positioning plate 41 is installed between the driving pulley 321 and the synchronous pulley 322 and fixed to the mounting bracket 1 by a welding machine. The hold-down bolts 42 are threadedly mounted on the positioning plate 41, and the number of the hold-down bolts 42 is two and symmetrically arranged along the length direction of the positioning plate 41. The top of the pressure bolt 42 abuts against the mounting plate 311.

In the case of the example 2, the following examples are given,

referring to fig. 4, the present embodiment discloses a spindle rotating mechanism applied to an engraving machine, which is different from embodiment 1 in that a connecting through hole 22 horizontally penetrates through a side wall of a machine head 2 toward a side away from the machine head 2.

In the case of the example 3, the following examples are given,

referring to fig. 5, the present embodiment discloses a spindle rotation mechanism applied to an engraving machine, which is different from embodiment 1 in that a connecting member 333 is selected as a stud bolt, one end of the stud bolt is threadedly mounted in a connecting screw hole 332, and the other end of the stud bolt is threadedly connected with a positioning nut 334, and the positioning nut 334 compresses the head 2 and the driving mounting member.

The implementation principle of the first embodiment is as follows: in the process of installation, rotary driving piece 31 is connected with installing support 1, be connected between swivel mount spare and the aircraft nose 2, power transmission to the swivel mount spare on rotary driving piece 31 is gone up to swivel drive spare 32, thereby it rotates to drive swivel mount spare, the realization is to the regulation of the angle of aircraft nose 2, make aircraft nose 2 can in time adjust according to the surperficial radian that is located the work piece on the work platform, thereby make the engraver can accomplish the processing to the curved surface, the holistic application scope of engraver has been promoted.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a be applied to main shaft rotary mechanism of engraver, includes installing support (1) and installs aircraft nose (2) on installing support (1), its characterized in that: still including setting up rotating assembly (3) between aircraft nose (2) and installing support (1), rotating assembly (3) are including rotary driving piece (31), rotating drive spare (32) and swivelling joint spare (33), rotary driving piece (31) install in on installing support (1), rotating drive spare (32) are used for connecting rotary driving piece (31) and rotatory installed part, be connected between rotatory installed part and aircraft nose (2).

2. The spindle rotating mechanism applied to the engraving machine according to claim 1, wherein: rotatory driving piece (31) are servo motor, rotatory driving medium (32) include driving pulley (321) be connected with servo motor, set up in synchronous pulley (322) of synchronous belt (323) bottom, overlap and locate synchronous belt (323) in driving pulley (321) and synchronous pulley (322) outside and connect reduction gear (324) between synchronous pulley (322) and the rotatory installed part, fixed connection between servo motor and installing support (1), the input and synchronous pulley (322) of reduction gear (324) are fixed, the output and the rotatory installed part of reduction gear (324) are fixed.

3. The spindle rotating mechanism applied to the engraving machine according to claim 1, wherein: the utility model discloses a novel aircraft nose, including rotatory installed part, aircraft nose (2), connecting through hole (22), connecting rib plate (21) are provided with on the lateral wall of aircraft nose (2), the lateral wall of connecting rib plate (21) is equipped with a plurality of connecting hole (22) along its length direction interval, be provided with in connecting hole (22) with rotatory installed part threaded connection's connecting piece (333).

4. The spindle rotating mechanism applied to the engraving machine according to claim 3, wherein: the side, facing away from the machine head (2), of the connecting through hole (22) horizontally penetrates through the side wall of the connecting rib plate (21).

5. The spindle rotating mechanism applied to the engraving machine according to claim 2, wherein: a mounting plate (311) is installed to servo motor's lateral wall, be fixed with installation floor (15) on installing support (1), be connected between installation floor (15) and mounting plate (311).

6. The spindle rotating mechanism applied to the engraving machine according to claim 5, wherein: the both sides of mounting panel (311) with installation floor (15) correspond the setting, two locating holes (312) have all been seted up to the both sides of mounting panel (311), each the inner wall of locating hole (312) is provided with the cavity of sliding (313), be provided with the bolt with installation floor (15) threaded connection in locating hole (312).

7. The spindle rotating mechanism applied to the engraving machine according to claim 5, wherein: still be provided with tensioning assembly (4) on installing support (1), tensioning assembly (4) including set up in locating plate (41) of installation floor (15) bottom, locating plate (41) with installing support (1) is fixed, the bottom of locating plate (41) is provided with at least one housing bolt (42) along its length direction, the top of housing bolt (42) with the bottom of mounting panel (311) compresses tightly.

8. The spindle rotating mechanism applied to the engraving machine according to claim 7, wherein: the number of the compression bolts (42) is two along the length direction of the positioning plate (41).

9. The spindle rotating mechanism applied to the engraving machine according to claim 5, wherein: and one side of the mounting bracket (1) departing from the machine head (2) is provided with a mounting groove (11) for mounting the rotating component (3).

10. The spindle rotating mechanism applied to the engraving machine according to claim 9, wherein: a plurality of structural reinforcing ribs (111) are arranged on the inner wall of the mounting groove (11) at intervals along the height direction of the mounting groove, wherein two structural reinforcing ribs (111) are respectively arranged on two sides of the mounting rib (15).