CN215547030U

CN215547030U - Z-axis angle adjusting structure of CNC (computerized numerical control) machine tool

Info

Publication number: CN215547030U
Application number: CN202122113406.9U
Authority: CN
Inventors: 张建伟
Original assignee: Beijing Aike Ruite Diamond Tools Co
Current assignee: Beijing Aike Ruite Diamond Tools Co
Priority date: 2021-09-02
Filing date: 2021-09-02
Publication date: 2022-01-18
Anticipated expiration: 2031-09-02

Abstract

The utility model relates to a structure is adjusted to Z axle angle of CNC lathe, it includes the mount pad, the mount pad is installed on the workstation, rotate on the mount pad and wear to be equipped with first axis of rotation, first axis of rotation and rotating chuck rigid coupling, the axis of first axis of rotation is on a parallel with the mesa of workstation, just the axis perpendicular to Z axle of first axis of rotation, adjust the structure still including being used for ordering about first axis of rotation pivoted driving piece and being used for restricting first axis of rotation pivoted fixed subassembly. This application has the effect that promotes the range of application of four-axis CNC lathe.

Description

Z-axis angle adjusting structure of CNC (computerized numerical control) machine tool

Technical Field

The application relates to the field of machine tools, in particular to a Z-axis angle adjusting structure of a CNC machine tool.

Background

A typical CNC machine has X, Y, A three linear axes to which is added a pivot axis Z, the fourth axis. The fourth shaft is added, so that the plane machined by the cutter can be wider, repeated clamping of workpieces can be reduced, the overall machining precision of the workpieces is improved, the process is simplified, the production efficiency is improved, and the production time is shortened.

Referring to fig. 1, a four-axis CNC machine tool provided for the related art includes a table 1, a tool bit 2 disposed perpendicular to the table 1, and a spin chuck 3 mounted on the table 1; the X axis and the Y axis are both parallel to the table top of the workbench 1, the X axis is parallel to the length direction of the workbench 1, the X axis and the Y axis are mutually vertical, the A axis is vertical to the table top of the workbench 1, the rotating shaft of the rotating chuck 3 is the Z axis, and the Z axis is parallel to the X axis; the workbench 1 controls the position of the workpiece by moving along the X, Y, A axis, and the rotating chuck 3 rotates to drive the workpiece to rotate along the Z axis, so that the revolving body machining is realized.

In view of the above-mentioned related art, the inventor believes that the machining direction of the tool bit 2 is always perpendicular to the Z axis, and the situation that an angle exists between the machining direction of the tool bit 2 and the Z axis direction cannot be realized in the process of machining a workpiece, so that the application range of the four-axis CNC machine tool is limited.

SUMMERY OF THE UTILITY MODEL

In order to promote the range of application of four-axis CNC lathe, this application provides a Z axle angle adjusting structure of CNC lathe.

The application provides a Z axle angle adjusting structure of CNC lathe adopts following technical scheme:

the utility model provides a structure is adjusted to Z axle angle of CNC lathe, includes the mount pad, the mount pad is installed on the workstation, rotate on the mount pad and wear to be equipped with first axis of rotation, first axis of rotation and rotating chuck rigid coupling, the axis of first axis of rotation is on a parallel with the mesa of workstation, just the axis perpendicular to Z axle of first axis of rotation, adjust the structure still including being used for ordering about first axis of rotation pivoted driving piece and being used for restricting first axis of rotation pivoted fixed subassembly.

Through adopting above-mentioned technical scheme, the staff uses the first axis of rotation of driving piece drive to rotate to make the rotating chuck take place to rotate, and fix the rotating chuck through fixed subassembly, the tool bit of being convenient for is processed the work piece from the angle of slope in the Z axle. Compare in correlation technique, the structure is adjusted to Z axle angle of a CNC lathe of this application has the effect that promotes the range of application of four-axis CNC lathe.

Optionally, a set of transmission assemblies for transmitting power of the driving member is arranged between the first rotating shaft and the driving member, each transmission assembly comprises a second rotating shaft and a third rotating shaft, the first rotating shaft and the second rotating shaft are in gear transmission through two meshed gears, the second rotating shaft and the third rotating shaft are in gear transmission through two meshed gears, and the rotating speeds of the third rotating shaft, the second rotating shaft and the first rotating shaft are sequentially reduced.

Through adopting above-mentioned technical scheme, reduced the rotational speed of first axis of rotation through drive assembly, improved the rotation precision of rotating chuck, the staff of being convenient for adjusts the angle of rotating chuck.

Optionally, a group transmission assembly is arranged between the first rotating shaft and the driving member, the transmission assembly comprises a third rotating shaft for transmitting power of the driving member, the fixing assembly comprises a fixing cylinder, the fixing cylinder is fixedly connected to the mounting seat, an insertion cylinder is fixedly connected to one end of the third rotating shaft, which is far away from the rotating chuck, an insertion rod for driving the insertion cylinder to rotate is connected to one end of the insertion cylinder, which is far away from the third rotating shaft, the insertion rod is connected to the insertion cylinder in a sliding manner along the axial direction of the insertion cylinder, a connecting rod for transmitting power of the driving member is fixedly connected to one end of the insertion rod, which is far away from the third rotating shaft, the connecting rod is arranged on the end wall of the fixing cylinder in a penetrating manner, a fixing disc is fixedly connected to the connecting rod, the fixing disc is located in the fixing cylinder, a convex edge is arranged on one side of the fixing cylinder, which is far away from the third rotating shaft, a plurality of embedding grooves for embedding the convex edges are arranged on the fixing cylinder, the caulking groove is arranged around the axis of the fixed cylinder for a circle, and the convex edge is detachably embedded in the caulking groove.

By adopting the technical scheme, when the angle of the rotating chuck needs to be adjusted by a worker, the driving piece is controlled to enable the connecting rod to move towards the inside of the fixed cylinder, the inserted link slides on the inserted cylinder towards the direction close to the third rotating shaft, the convex edge is separated from the caulking groove, the driving piece is convenient to drive the connecting rod to rotate, and therefore the rotating chuck is driven to rotate; when the rotating chuck is fixed, the driving part is controlled to enable the connecting rod to move towards the direction far away from the third rotating shaft, and the convex ribs are embedded into the caulking grooves, so that the rotating chuck is fixed, and the stability of the rotating chuck is enhanced.

Optionally, an elastic element is arranged in the fixed cylinder, and the elastic element has a tendency of elastically driving the convex edge to move towards the direction of the embedded groove.

Through adopting above-mentioned technical scheme, when needs fixed rotating chuck, the driving piece removes the thrust to the connecting rod, and the bead is in the automatic caulking groove that imbeds under the elastic action of elastic component, convenient and fast.

Optionally, an external thread is arranged on the connecting rod, a nut is connected to the connecting rod through the thread, the nut is located outside the fixing barrel, and the nut movably abuts against the fixing barrel.

Through adopting above-mentioned technical scheme, the nut is screwed up to the bead embedding back, has strengthened the stability of fixed disk, has reduced the risk that the bead breaks away from the caulking groove.

Optionally, the driving member is a crank.

Through adopting above-mentioned technical scheme, the staff has reduced the manufacturing cost of this regulation structure through the manual rotation chuck rotation of driving about.

Optionally, the axis of the first rotating shaft intersects the Z-axis.

By adopting the technical scheme, when the worker rotates the rotating chuck, the axis of the Z shaft always penetrates through the rotating center of the rotating chuck, so that the calculated amount of the CNC machine tool during processing of workpieces is reduced.

Optionally, the elastic member is a compression spring.

By adopting the technical scheme, the compression spring has stable mechanical property, lower manufacturing cost and convenient material taking.

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

the staff uses the first axis of rotation of driving piece drive to rotate to make the rotating chuck take place to rotate, and fix the rotating chuck through fixed subassembly, the tool bit of being convenient for is processed the work piece from the angle of slope in the Z axle. Compared with the related art, the Z-axis angle adjusting structure of the CNC machine tool has the effect of improving the application range of the four-axis CNC machine tool;

the rotating speed of the first rotating shaft is reduced through the transmission assembly, the rotating precision of the rotating chuck is improved, and workers can adjust the angle of the rotating chuck conveniently;

when the angle of the rotating chuck needs to be adjusted by a worker, the driving piece is controlled to enable the connecting rod to move towards the inside of the fixed cylinder, the inserting rod slides on the inserting cylinder towards the direction close to the third rotating shaft, the convex edge is separated from the caulking groove, the driving piece is convenient to drive the connecting rod to rotate, and therefore the rotating chuck is driven to rotate; when the rotating chuck is fixed, the driving part is controlled to enable the connecting rod to move towards the direction far away from the third rotating shaft, and the convex ribs are embedded into the caulking grooves, so that the rotating chuck is fixed, and the stability of the rotating chuck is enhanced.

Drawings

Fig. 1 is a schematic structural diagram of a four-axis CNC machine tool provided by the related art.

Fig. 2 is a schematic structural diagram of a Z-axis angle adjusting structure of a CNC machine according to an embodiment of the present application.

Fig. 3 is an exploded view illustrating a coupling relationship of the spin chuck and the mount.

Fig. 4 is a sectional view taken along line B-B in fig. 2.

Fig. 5 is an enlarged schematic view of a portion C in fig. 4.

Fig. 6 is a schematic view showing a structure of the fixing plate.

Description of reference numerals: 1. a work table; 2. a cutter head; 3. rotating the chuck; 30. a first rotating shaft; 31. an arc-shaped surface; 32. a pointer; 4. a mounting seat; 40. a base plate; 400. an arc-shaped groove; 41. a side plate; 410. an arc-shaped opening; 411. calibration; 5. a drive member; 6. a transmission assembly; 60. a reduction gearbox; 61. a second rotating shaft; 62. a third rotating shaft; 63. a supporting seat; 64. a first gear; 65. a second gear; 66. a third gear; 67. a fourth gear; 7. a fixing assembly; 70. a fixed cylinder; 71. inserting a cylinder; 710. a baffle plate; 72. inserting a rod; 73. a connecting rod; 730. an external thread; 74. fixing the disc; 740. a rib; 75. an elastic member; 76. and a nut.

Detailed Description

The present application is described in further detail below with reference to figures 2-6.

The embodiment of the application discloses structure is adjusted to Z axle angle of CNC lathe. Referring to fig. 2 and 3, the Z-axis angle adjusting structure of the CNC machine comprises a mounting seat 4, wherein the mounting seat 4 is detachably mounted on a workbench 1, a first rotating shaft 30 is vertically and fixedly connected to the side surface of a rotating chuck 3, and the rotating chuck 3 is rotatably connected to the mounting seat 4 through the first rotating shaft 30. The axis of the first rotating shaft 30 is parallel to the table top of the table 1, the axis of the first rotating shaft 30 is perpendicular to the Z-axis, and the axis of the first rotating shaft 30 intersects the Z-axis. The adjusting structure further comprises a driving member 5 for driving the first rotating shaft 30 to rotate, a transmission assembly 6 for transmitting power of the driving member 5, and a fixing assembly 7 for fixing the first rotating shaft 30.

Referring to fig. 2 and 3, the mount 4 includes a base plate 40, and the base plate 40 is fixed to the table 1 by bolts. Two side plates 41 are vertically and fixedly connected to one side of the bottom plate 40, which is away from the workbench 1, the two side plates 41 are arranged in parallel, and the plate surfaces of the side plates 41 are perpendicular to the axis of the first rotating shaft 30. A supporting shaft coaxially arranged with the first rotating shaft 30 is vertically and fixedly connected to one side of the rotating chuck 3 departing from the first rotating shaft 30, the rotating chuck 3 is rotatably arranged between the two side plates 41 through the supporting shaft and the first rotating shaft 30, and the first rotating shaft 30 is rotatably arranged on the side plate 41 far away from the supporting shaft in a penetrating mode.

Referring to fig. 2 and 3, an arc surface 31 is provided at the bottom end of the spin chuck 3, and the axis of the arc surface 31 is aligned with the axis of the first rotating shaft 30. An arc groove 400 matched with the bottom end of the rotating chuck 3 is formed in the top surface of the bottom plate 40, and the bottom end of the rotating chuck 3 is slidably arranged in the arc groove 400. A pointer 32 is further fixed on the side of the rotating chuck 3 to which the first rotating shaft 30 is fixed, and the pointer 32 is located at the bottom end of the rotating chuck 3. An arc-shaped opening 410 for the pointer 32 to penetrate is formed at the bottom end of the side plate 41 through which the first rotating shaft 30 penetrates, the center of the arc-shaped opening 410 is located on the axis of the first rotating shaft 30, and the pointer 32 penetrates through the arc-shaped opening 410 in a sliding manner. Scales 411 distributed along the length direction of the arc-shaped opening 410 are arranged at the edge of the arc-shaped opening 410, and a worker can confirm the rotating angle of the rotating chuck 3 by observing the scales 411 pointed by the pointer 32.

Referring to fig. 3 and 4, the transmission assembly 6 includes a reduction box 60, the reduction box 60 is fixedly connected to the side plate 41 provided with the arc-shaped opening 410, the reduction box 60 is located on one side of the side plate 41 away from the rotating chuck 3, and one end of the first rotating shaft 30 away from the rotating chuck 3 is located in the reduction box 60. A set of secondary drive gears is provided within the reduction gearbox 60. Referring to fig. 4 and 5, the transmission assembly 6 further includes a second rotating shaft 61 and a third rotating shaft 62; a plurality of supporting seats 63 are fixedly connected to the inner wall of the reduction gearbox 60, a bearing is embedded in each supporting seat 63, and the first rotating shaft 30, the second rotating shaft 61 and the third rotating shaft 62 are rotatably arranged in the reduction gearbox 60 through the supporting seats 63 with the bearings. The second rotation shaft 61 is arranged in parallel with the first rotation shaft 30, the second rotation shaft 61 is located right below the first rotation shaft 30, the third rotation shaft 62 is arranged coaxially with the first rotation shaft 30, and the third rotation shaft 62 is located on a side of the first rotation shaft 30 departing from the spin chuck 3.

Referring to fig. 4 and 5, a first gear 64 is keyed to the first rotating shaft 30, and a second gear 65 meshing with the first gear 64 is keyed to the second rotating shaft 61, and the number of teeth of the first gear 64 is three times that of the second gear 65. A third gear 66 is also keyed on the second rotating shaft 61, a fourth gear 67 meshing with the third gear 66 is keyed on the third rotating shaft 62, and the number of teeth of the third gear 66 is three times that of the fourth gear 67. When the worker drives the third rotating shaft 62 to rotate three hundred and sixty degrees, the first rotating shaft 30 correspondingly rotates forty degrees, and the rotation speed of the first rotating shaft 30 relative to the third rotating shaft 62 is reduced through the two-stage transmission gear, so that the worker can conveniently control the rotation angle of the rotating chuck 3, and the rotation precision of the rotating chuck 3 is improved.

Referring to fig. 5 and 6, the fixing assembly 7 includes a fixing cylinder 70, the fixing cylinder 70 is fixedly connected to a side wall of the reduction box 60 away from the mounting seat 4, and the fixing cylinder 70 is coaxially disposed with the third rotating shaft 62. An end of the third rotating shaft 62 remote from the first rotating shaft 30 is rotatably disposed in the fixed cylinder 70. An inserting cylinder 71 is coaxially and fixedly connected to one end of the third rotating shaft 62 far away from the first rotating shaft 30, an inserting rod 72 is slidably arranged at one end of the inserting cylinder 71 far away from the third rotating shaft 62, the cross section of the inserting rod 72 is rectangular, and the cross section of the inserting rod 72 can be polygonal in other specifications in other embodiments of the present application, such as triangular, square, pentagonal, etc. The sliding direction of the insert rod 72 is parallel to the axial direction of the third rotating shaft 62. A connecting rod 73 is fixedly connected to one end of the inserting rod 72 far away from the inserting cylinder 71, the connecting rod 73 and the third rotating shaft 62 are coaxially arranged, the connecting rod 73 is rotatably arranged on the end wall of the fixing cylinder 70 far away from the reduction box 60 in a penetrating mode, and one end, far away from the third rotating shaft 62, of the connecting rod 73 is connected with the driving piece 5. Referring to fig. 4 and 5, the driving member 5 is a hand crank whose center of rotation is located on the axis of the connecting rod 73.

Referring to fig. 5 and 6, a fixing plate 74 is fixedly sleeved on the connecting rod 73, and the fixing plate 74 is located in the fixing cylinder 70. Eighty ribs 740 are fixedly connected to one side, away from the third rotating shaft 62, of the fixed disk 74, the length directions of the eighty ribs 740 all point to the circle center of the fixed disk 74, and the eighty ribs 740 are uniformly distributed on the fixed disk 74 around the axis of the connecting rod 73 in a circle. Eighty embedding grooves corresponding to the ribs 740 are formed in the inner end wall, opposite to the ribs 740, of the fixed cylinder 70, and the ribs 740 are detachably embedded in the embedding grooves. Through inlaying bead 740 in locating the caulking groove, restricted connecting rod 73's rotation to restricted drive mechanism's transmission, and then fixed the angle of rotating chuck 3, strengthened rotating chuck 3's stability.

Referring to fig. 5 and 6, a baffle 710 is fixedly sleeved on the insertion tube 71, and the baffle 710 is located at one end of the insertion tube 71 close to the connecting rod 73. An elastic member 75 is disposed between the baffle 710 and the fixed plate 74, and the elastic member 75 is a compression spring. The elastic member 75 is disposed on the connecting rod 73, and the elastic member 75 has a tendency to elastically urge the fixing plate 74 to move away from the third rotating shaft 62. The ribs 740 of the fixing plate 74 are stably inserted into the insertion grooves by the elastic members 75, thereby enhancing the stability of the fixing plate 74.

Referring to fig. 5, if a worker carelessly touches the connecting rod 73 during the processing of the workpiece to separate the rib 740 from the caulking groove, the angle of the spin chuck 3 is lost, and a dangerous accident may occur. In order to reduce the risk of the rib 740 falling out of the groove, an external thread 730 is provided on the outer circumferential wall of the connecting rod 73, the external thread 730 being located on the side of the fixed disk 74 facing away from the third rotation shaft 62. A nut 76 is screwed on the connecting rod 73, the nut 76 is located outside the fixed cylinder 70, and the nut 76 movably abuts against the fixed cylinder 70. After the angle of the rotating chuck 3 is adjusted by the worker, the nut 76 is screwed, the nut 76 abuts against the fixing cylinder 70 and pulls the connecting rod 73 outwards, so that the convex rib 740 is firmly embedded in the caulking groove, and the stability of the rotating chuck 3 in the machining process is enhanced.

The implementation principle of the Z-axis angle adjusting structure of the CNC machine tool in the embodiment of the application is as follows: when it is necessary to adjust the angle of the spin chuck 3, the worker first loosens the nut 76, and moves the nut 76 to the end away from the fixed cylinder 70. Then the hand crank is pushed towards the direction close to the fixed cylinder 70, in the process that the staff pushes the hand crank, the compression spring is elastically compressed, the inserting rod 72 slides towards the inside of the inserting cylinder 71, and the convex rib 740 is separated from the caulking groove. Then the staff rotates the hand crank, the hand crank drives the connecting rod 73 to rotate, the connecting rod 73 drives the inserting rod 72 to rotate, and the inserting rod 72 drives the inserting cylinder 71 and the third rotating shaft 62 to rotate. Under the transmission of the secondary transmission gear, the first rotating shaft 30 drives the rotating chuck 3 to rotate, so that the adjustment of the Z-axis angle is realized. Facilitating the machining of the work piece by the tool tip 2 from an angle oblique to the Z-axis. Compare in correlation technique, the structure is adjusted to Z axle angle of a CNC lathe of this application has the effect that promotes the range of application of four-axis CNC lathe.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above 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 structure is adjusted to Z axle angle of CNC lathe which characterized in that: including mount pad (4), mount pad (4) are installed on workstation (1), rotate on mount pad (4) and wear to be equipped with first axis of rotation (30), first axis of rotation (30) and rotating chuck (3) rigid coupling, the axis of first axis of rotation (30) is on a parallel with the mesa of workstation (1), just the axis perpendicular to Z axle of first axis of rotation (30), adjust the structure still including being used for ordering about first axis of rotation (30) pivoted driving piece (5) and being used for restricting first axis of rotation (30) pivoted fixed subassembly (7).

2. The Z-axis angle adjusting structure of a CNC machine according to claim 1, characterized in that: first axis of rotation (30) with be provided with between driving piece (5) and organize transmission assembly (6) that are used for transmitting driving piece (5) power, transmission assembly (6) include second axis of rotation (61) and third axis of rotation (62), first axis of rotation (30) with second axis of rotation (61) are through two engaged with gear drive, second axis of rotation (61) with third axis of rotation (62) are through two engaged with gear drive, the rotational speed of third axis of rotation (62), second axis of rotation (61) and first axis of rotation (30) reduces in proper order.

3. The Z-axis angle adjusting structure of a CNC machine according to claim 1, characterized in that: first axis of rotation (30) with be provided with between driving piece (5) and organize transmission assembly (6), transmission assembly (6) is including third axis of rotation (62) that is used for transmitting driving piece (5) power, fixed subassembly (7) are including solid fixed cylinder (70), gu fixed cylinder (70) fixed connection is in mount pad (4), the one end rigid coupling that third axis of rotation (62) deviates from rotation chuck (3) has inserted a section of thick bamboo (71), the one end that third axis of rotation (62) was kept away from in inserted a section of thick bamboo (71) is connected with and is used for driving and inserts a section of thick bamboo (71) pivoted inserted bar (72), inserted bar (72) are slided along the axis direction of inserting a section of thick bamboo (71) and are connected on inserted cylinder (71), the one end rigid coupling that third axis of rotation (62) was kept away from in inserted bar (72) is equipped with connecting rod (73) that are used for transmitting driving piece (5) power, the end wall of solid fixed cylinder (70) is worn to locate by connecting rod (73), the rigid coupling has fixed disk (74) on connecting rod (73), fixed disk (74) are located solid fixed cylinder (70), one side that solid fixed cylinder (70) deviates from third axis of rotation (62) is provided with bead (740), be provided with a plurality of caulking grooves that supply bead (740) to inlay to establish on solid fixed cylinder (70), the caulking groove is laid around the axis a week of solid fixed cylinder (70), bead (740) can be dismantled to inlay and locate in the caulking groove.

4. The Z-axis angle adjustment structure of a CNC machine according to claim 3, characterized in that: an elastic piece (75) is arranged in the fixed cylinder (70), and the elastic piece (75) has the tendency that the elastic piece drives the convex ribs (740) to move towards the direction of the embedded groove.

5. The Z-axis angle adjustment structure of a CNC machine according to claim 3, characterized in that: the connecting rod (73) is provided with an external thread (730), the connecting rod (73) is connected with a nut (76) in a threaded mode, the nut (76) is located outside the fixing barrel (70), and the nut (76) movably abuts against the fixing barrel (70).

6. The Z-axis angle adjusting structure of a CNC machine according to any one of claims 1 to 5, characterized in that: the driving piece (5) is a crank handle.

7. The Z-axis angle adjusting structure of a CNC machine according to any one of claims 1 to 5, characterized in that: the axis of the first rotating shaft (30) intersects the Z-axis.

8. The Z-axis angle adjustment structure of a CNC machine according to claim 4, characterized in that: the elastic member (75) is a compression spring.