CN118977126A - A workpiece multi-angle adjustment device for machining in a CNC machining center - Google Patents
A workpiece multi-angle adjustment device for machining in a CNC machining center Download PDFInfo
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- CN118977126A CN118977126A CN202411471537.6A CN202411471537A CN118977126A CN 118977126 A CN118977126 A CN 118977126A CN 202411471537 A CN202411471537 A CN 202411471537A CN 118977126 A CN118977126 A CN 118977126A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
- B23Q7/02—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of drums or rotating tables or discs
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Abstract
The invention discloses a workpiece multi-angle adjusting device for machining of a numerical control machining center, and relates to the field of numerical control machining centers. The workpiece multi-angle adjusting device for machining of the numerical control machining center comprises a workbench, wherein a vertical plate is arranged above the workbench, the vertical plate is rotationally connected with a rocker bottom plate, a turntable is arranged above the rocker bottom plate, and a centering clamp is arranged above the turntable; a toothed ring is fixedly arranged below the rocker arm bottom plate, and is in transmission connection with a first driving unit; the bottom fixedly connected with axis of rotation of revolving stage, the bottom of axis of rotation is connected with the second drive unit. The workpiece multi-angle adjusting device for machining of the numerical control machining center can realize combined rotation of front-back overturning and horizontal rotation of the turntable, and the main shaft can machine a plurality of machining surfaces of a workpiece, particularly a negative angle surface of the workpiece and an inner cavity surface with a small opening and a large inner cavity, so that repeated clamping and disassembly of the workpiece are avoided, and the working efficiency is improved.
Description
Technical Field
The invention relates to the technical field of numerical control machining centers, in particular to a workpiece multi-angle adjusting device for machining of a numerical control machining center.
Background
The numerical control machining center is developed from a numerical control milling machine, integrates multiple functions of milling, boring, drilling, tapping, thread cutting and the like, and has the capability of automatically exchanging machining tools.
Through installing the cutter of different usage on the tool magazine, numerical control machining center can change the epaxial processing cutter of main through automatic tool changing device in a clamping, realizes multiple processing function, and in the in-process of processing, generally can fix the work piece on the processing station of main shaft below through anchor clamps, when the main shaft drive cutter carries out high-speed rotation and contacts with the work piece, and then can realize the machining effect that the cutter corresponds to the work piece.
However, a plurality of mounting holes are generally formed above the existing machining station, so that clamps with different specifications can be fixed, the positions of the machining station are generally fixed, the main shaft can only move horizontally and vertically under the drive of the driving system, and further when the main shaft drives the cutter to move towards the machining station, the workpiece can only be grooved and other machining requirements on the machining surface in the vertical and horizontal directions, and if the workpiece is required to be machined with an inner cavity surface with a small opening and a large inner cavity and other negative angles, the workpiece replacement angle is required to be clamped repeatedly, so that the machining requirements of the workpiece can be met.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a workpiece multi-angle adjusting device for processing a numerical control machining center, which solves the problems that the positions of machining stations are generally fixed, a main shaft can only move horizontally and vertically under the drive of a driving system, and further when the main shaft drives a cutter to move towards the machining stations, the machining surface slotting in the vertical and horizontal directions and other machining requirements can only be realized for the workpiece, and if the workpiece is required to be machined with an inner cavity surface with a small opening and a large inner cavity and other negative angles, the workpiece is required to be repeatedly clamped for changing angles, so that the machining requirements can be realized.
In order to achieve the above purpose, the invention is realized by the following technical scheme: the workpiece multi-angle adjusting device for machining of the numerical control machining center comprises a workbench, wherein a vertical plate is arranged above the workbench, the vertical plate is rotationally connected with a rocker bottom plate, a turntable is arranged above the rocker bottom plate, and a centering clamp is arranged above the turntable and used for centering and clamping a workpiece;
A toothed ring is fixedly arranged below the rocker arm bottom plate, the toothed ring is in transmission connection with a first driving unit fixedly arranged above the workbench, and the first driving unit can drive the rocker arm bottom plate and the turntable to turn through matching with the toothed ring;
The bottom fixedly connected with of revolving stage runs through the axis of rotation that the rocking arm bottom plate set up, the bottom of axis of rotation is connected with the fixed second drive unit that sets up in rocking arm bottom plate below, and the second drive unit cooperation axis of rotation can drive the revolving stage and rotate.
Preferably, the top of riser rotates and is provided with the dabber, and the other end fixedly connected with rocking arm curb plate of dabber, rocking arm curb plate fixed mounting are in the top of rocking arm bottom plate, and one side that the riser kept away from rocking arm curb plate and workstation top fixedly connected with reinforcing plate.
Preferably, the centering fixture comprises a first platform and a second platform, the second platform is fixedly arranged above the first platform, the first platform is fixedly arranged above the rotary table, two first sliding grooves which are transversely arranged are formed between the first platform and the second platform, two second sliding grooves which are arranged front and back are formed above the second platform, and side clamping blocks and front and back clamping blocks are respectively and slidably arranged above the first sliding grooves and the second sliding grooves.
Preferably, the inner wall of first spout and the inner wall of second spout are all provided with the slider in a sliding way, and the top of slider upwards extends and has the installation piece through bolted connection, and a plurality of installation pieces respectively with side clamp splice and front and back clamp splice fixed connection, the inner wall of one of them first spout and the inner wall of one of them second spout still rotate and are provided with the lead screw, two the lead screw respectively with corresponding slider threaded connection, and the tip of lead screw passes the outer wall of second platform outwards extension and fixedly connected with commentaries on classics handle.
Preferably, the inside of first platform and second platform slides respectively and is provided with two first racks and two second racks, and the tip of first rack and the tip of second rack all with the bottom fixed connection of the slider that corresponds, and all the meshing is connected with rotation gear between two first racks and between two second racks, and two rotation gears rotate the inside that sets up at first platform and second platform respectively.
Preferably, the first driving unit includes:
the driving box is fixedly arranged at the top of the workbench, an arc-shaped positioning groove is formed in the top of the driving box, and the toothed ring is attached to the inner wall of the arc-shaped positioning groove;
The first driving motor is fixedly arranged in the driving box, a worm is connected to the first driving motor in a transmission mode, the worm is arranged in the driving box in a rotating mode, a transmission shaft is further arranged in the driving box in a rotating mode, a worm wheel and a transmission gear are fixedly sleeved on the outer side of the transmission shaft, and the worm wheel and the transmission gear are respectively connected with the worm and the toothed ring in a meshed mode.
Preferably, the output end of the first driving motor is fixedly provided with a driving shaft, the end part of the worm and the end part of the driving shaft are respectively fixedly sleeved with a driving large gear and a driving small gear, and the driving small gear is in meshed connection with the driving large gear.
Preferably, the second driving unit includes:
the second driving motor is fixedly arranged below the rocker arm bottom plate, and an output shaft is fixedly arranged at the output end of the second driving motor;
The movable shaft is rotatably arranged below the rocker arm bottom plate and is in transmission connection with the output shaft, the outer side of the end part of the movable shaft is fixedly sleeved with a conical gear, and the two conical gears are in meshed connection.
Preferably, the two ends of the movable shaft are both rotatably provided with brackets, and the tops of the brackets are fixedly connected below the rocker arm bottom plate.
Preferably, the end part of the output shaft and the end part of the movable shaft are respectively fixedly sleeved with a movable pinion and a movable bull gear, and the movable pinion and the movable bull gear are in meshed connection.
The invention discloses a workpiece multi-angle adjusting device for machining a numerical control machining center, which has the following beneficial effects:
This work piece multi-angle adjusting device that numerical control machining center processing was used, in the in-process of using, at first place the work piece in the top of revolving stage, utilize centering fixture to carry out centering centre gripping to the work piece this moment, can drive rocking arm bottom plate and revolving stage through setting up first drive unit cooperation ring gear and overturn this moment, can drive the revolving stage through the second drive unit cooperation axis of rotation that sets up simultaneously and rotate, then can realize that the revolving stage carries out upset around and horizontal pivoted combination rotation, realize that the main shaft can process a plurality of machined surfaces to the work piece, especially the negative angle face of work piece and the big inner chamber face of opening little inner chamber, avoid the repeated clamping and the dismantlement of work piece, work efficiency has been improved.
According to the workpiece multi-angle adjusting device for machining the numerical control machining center, when the first driving motor works, the driving shaft at the output end of the first driving motor can drive the driving pinion to rotate, and then the worm can be driven to rotate along with the driving pinion through the transmission relation between the driving pinion and the driving large gear, the worm can drive the transmission shaft to rotate through the worm wheel, and the transmission shaft can drive the toothed ring to slide in the arc-shaped positioning groove by utilizing the transmission gear during rotation, so that the rocker arm bottom plate can be pushed to rotate by taking the mandrel as the axis; when the second driving motor works, the output shaft of the output end of the second driving motor can drive the movable pinion to rotate along with the movable pinion, at the moment, the movable shaft can be driven to rotate through the transmission relation of the movable pinion and the movable large gear, and the movable shaft is connected with the rotating shaft through two bevel gears in a transmission way, so that the rotating shaft can rotate, and the rotating table can be driven to rotate in the horizontal direction.
This work piece multi-angle adjusting device that numerical control machining center processing was used, when placing the work piece between two side clamp splice and two front and back clamp splice, at first, rotate the commentaries on classics handle of side, then drive corresponding slider through the lead screw that transversely sets up and carry out the lateral sliding on the inner wall of first spout, and then make two side clamp splice can remove towards the work piece, until can carry out the transverse location of centering to the work piece, rotate positive commentaries on classics handle again this moment, then can drive the slider that corresponds through the lead screw that the front and back direction set up and carry out the slip of front and back direction and then make two front and back clamp splice can remove towards the work piece, until can carry out the location in the middle of front and back direction to the work piece, at last utilize two side clamp splice and two front and back clamp splice to the work piece clamp, and then conveniently carry out accurate multi-angle adjustment to the work piece, be favorable to the accurate processing of work piece.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of a part of the structure of the present invention;
FIG. 3 is a schematic view of the structure of the rocker arm base plate, the first drive unit and the second drive unit of the present invention;
FIG. 4 is a schematic view of the structure of the first driving unit and the toothed ring of the present invention;
FIG. 5 is a schematic view showing the connection between the first driving unit and the toothed ring according to the present invention;
Fig. 6 is a schematic structural view of a second driving unit according to the present invention;
FIG. 7 is a schematic view of the structure of the turntable and centering fixture of the present invention;
FIG. 8 is a schematic structural view of the centering fixture of the present invention;
FIG. 9 is a schematic view of a portion of the structure of the centering fixture of the present invention;
Fig. 10 is a schematic structural view of a first rack, a second rack and a rotary gear according to the present invention.
In the figure: 1. a work table; 11. a riser; 12. a rocker arm bottom plate; 13. a mandrel; 14. a rocker arm side plate; 15. a reinforcing plate; 2. a turntable; 21. a rotating shaft; 22. a toothed ring; 3. centering fixture; 31. a first platform; 311. a first chute; 32. a second platform; 321. a second chute; 33. a side clamping block; 34. front and rear clamping blocks; 35. a slide block; 351. a mounting block; 36. a screw rod; 361. a rotating handle; 37. a first rack; 38. a second rack; 39. rotating the gear; 4. a first driving unit; 41. a drive box; 42. an arc-shaped positioning groove; 43. a first driving motor; 44. a worm; 441. a driving gearwheel; 45. a transmission shaft; 46. a worm wheel; 47. a transmission gear; 48. a drive shaft; 481. a drive pinion; 5. a second driving unit; 51. a second driving motor; 52. an output shaft; 521. a movable pinion; 53. a movable shaft; 531. a movable large gear; 54. a bevel gear; 55. and (3) a bracket.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The embodiment of the application solves the problems that the position of a processing station is generally fixed, a main shaft can only move horizontally and vertically under the drive of a driving system, and further, when the main shaft drives a cutter to move towards the processing station, the workpiece can only be grooved on a processing surface in the vertical and horizontal directions and other processing requirements, and if the workpiece is required to be processed at a negative angle with a small opening inner cavity, the workpiece is required to be clamped repeatedly at a changing angle, so that the processing requirements can be met. In the use, at first place the work piece in the top of revolving stage 2, utilize centering fixture 3 to carry out the centre gripping to the work piece at this moment, can drive rocking arm bottom plate 12 and revolving stage 2 through setting up first drive unit 4 cooperation ring gear 22 and overturn this moment, can drive revolving stage 2 through the second drive unit 5 cooperation axis of rotation 21 that set up simultaneously and rotate, then can realize revolving stage 2 and overturn around with horizontal pivoted combination rotation, realize that the main shaft can process a plurality of machined surfaces to the work piece, especially the negative angle face of work piece and the big inner chamber face of opening little inner chamber, avoid the repeated clamping and the dismantlement of work piece, work efficiency has been improved.
In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
The embodiment of the invention discloses a workpiece multi-angle adjusting device for machining of a numerical control machining center.
According to the drawings 1-10, the automatic centering device comprises a workbench 1, wherein a vertical plate 11 is arranged above the workbench 1, the vertical plate 11 is rotatably connected with a rocker bottom plate 12, a turntable 2 is arranged above the rocker bottom plate 12, a centering clamp 3 is arranged above the turntable 2, and the centering clamp 3 is used for centering and clamping a workpiece;
a toothed ring 22 is fixedly arranged below the rocker arm bottom plate 12, the toothed ring 22 is in transmission connection with a first driving unit 4 fixedly arranged above the workbench 1, and the first driving unit 4 can drive the rocker arm bottom plate 12 and the turntable 2 to turn by matching with the toothed ring 22;
The bottom of the rotary table 2 is fixedly connected with a rotating shaft 21 penetrating through the rocker arm bottom plate 12, the bottom end of the rotating shaft 21 is connected with a second driving unit 5 fixedly arranged below the rocker arm bottom plate 12, and the second driving unit 5 can drive the rotary table 2 to rotate in cooperation with the rotating shaft 21.
In the use, at first place the work piece in the top of revolving stage 2, utilize centering fixture 3 to carry out the centre gripping to the work piece at this moment, can drive rocking arm bottom plate 12 and revolving stage 2 through setting up first drive unit 4 cooperation ring gear 22 and overturn this moment, can drive revolving stage 2 through the second drive unit 5 cooperation axis of rotation 21 that set up simultaneously and rotate, then can realize revolving stage 2 and overturn around with horizontal pivoted combination rotation, realize that the main shaft can process a plurality of machined surfaces to the work piece, especially the negative angle face of work piece and the big inner chamber face of opening little inner chamber, avoid the repeated clamping and the dismantlement of work piece, work efficiency has been improved.
Further, the top of riser 11 rotates and is provided with dabber 13, and the other end fixedly connected with rocking arm curb plate 14 of dabber 13, rocking arm curb plate 14 fixed mounting are in the top of rocking arm bottom plate 12, and one side that riser 11 kept away from rocking arm curb plate 14 and workstation 1 top fixedly connected with reinforcing plate 15.
By means of the mandrel 13 and the rocker arm side plate 14, the toothed ring 22 can be driven to move when the first driving unit 4 works, and then the rocker arm bottom plate 12 and the rotary table 2 can be driven to drive the rocker arm side plate 14 to overturn by taking the mandrel 13 as an axle center, and structural strength and stability can be improved through the reinforcing plate 15.
Specifically disclosed, the centering fixture 3 comprises a first platform 31 and a second platform 32, the second platform 32 is fixedly mounted above the first platform 31, the first platform 31 is fixedly mounted above the turntable 2, two first sliding grooves 311 which are transversely arranged are formed between the first platform 31 and the second platform 32, two second sliding grooves 321 which are arranged front and back are formed above the second platform 32, and side clamping blocks 33 and front and back clamping blocks 34 are respectively and slidably arranged above the first sliding grooves 311 and above the second sliding grooves 321.
Further, the inner walls of the first sliding groove 311 and the second sliding groove 321 are both slidably provided with a sliding block 35, the top of the sliding block 35 extends upwards and is connected with a mounting block 351 through a bolt, the plurality of mounting blocks 351 are respectively fixedly connected with the side clamping blocks 33 and the front clamping block 34, the inner wall of one first sliding groove 311 and the inner wall of one second sliding groove 321 are also rotatably provided with a screw rod 36, the two screw rods 36 are respectively in threaded connection with the corresponding sliding blocks 35, and the end part of the screw rod 36 penetrates through the outer wall of the second platform 32 to extend outwards and is fixedly connected with a rotating handle 361.
Further, the first platform 31 and the second platform 32 are respectively provided with two first racks 37 and two second racks 38 in a sliding manner, the end parts of the first racks 37 and the end parts of the second racks 38 are fixedly connected with the bottom ends of the corresponding sliding blocks 35, rotating gears 39 are respectively engaged between the two first racks 37 and the two second racks 38, and the two rotating gears 39 are respectively arranged in the first platform 31 and the second platform 32 in a rotating manner.
Because the rotary gears 39 are meshed and connected between the two first racks 37 and between the two second racks 38, when one of the first racks 37 and one of the second racks 38 move, the other first rack 37 and the other second rack 38 can be driven to move reversely along with the two first racks, meanwhile, the end parts of the two first racks 37 and the two second racks 38 are connected with the sliding blocks 35, and the sliding blocks 35 are respectively connected with the two side clamping blocks 33 and the two front and rear clamping blocks 34, so that the two side clamping blocks 33 can move reversely relatively, and the two front and rear clamping blocks 34 move reversely relatively;
When a workpiece is placed between the two side clamping blocks 33 and the two front and rear clamping blocks 34, the side rotating handle 361 is rotated at first, the corresponding sliding blocks 35 can be driven by the transversely arranged screw rods 36 to transversely slide on the inner wall of the first sliding groove 311, so that the two side clamping blocks 33 can move towards the workpiece until the workpiece can be transversely centered, at the moment, the front rotating handle 361 is rotated again, the corresponding sliding blocks 35 can be driven by the screw rods 36 arranged in the front and rear directions to slide on the inner wall of the second sliding groove 321 in the front and rear directions, so that the two front and rear clamping blocks 34 can move towards the workpiece until the workpiece can be centered in the front and rear directions, and finally the workpiece is clamped by the two side clamping blocks 33 and the two front and rear clamping blocks 34, so that the workpiece can be conveniently and accurately adjusted in multiple angles, and the accurate machining of the workpiece is facilitated.
Specifically disclosed, the first driving unit 4 includes:
The driving box 41, the driving box 41 is fixedly arranged at the top of the workbench 1, the top of the driving box 41 is provided with an arc-shaped positioning groove 42, and the toothed ring 22 is attached to the inner wall of the arc-shaped positioning groove 42;
The first driving motor 43, first driving motor 43 fixed mounting is in the inside of driving case 41, and first driving motor 43 transmission is connected with worm 44, and worm 44 rotates the inside that sets up at driving case 41, and driving case 41's inside still rotates and is provided with transmission shaft 45, and worm wheel 46 and drive gear 47 have been cup jointed to the outside of transmission shaft 45 fixedly, and worm wheel 46 and drive gear 47 are connected with worm 44 and ring gear 22 meshing respectively.
Further, a driving shaft 48 is fixedly installed at the output end of the first driving motor 43, a driving large gear 441 and a driving small gear 481 are fixedly sleeved at the end of the worm 44 and the end of the driving shaft 48, and the driving small gear 481 and the driving large gear 441 are in meshed connection.
When the first driving motor 43 works, the driving shaft 48 at the output end of the first driving motor can drive the driving pinion 481 to rotate, and then the worm 44 can be driven to rotate by the driving relationship between the driving pinion 481 and the driving large gear 441, the worm 44 can drive the transmission shaft 45 to rotate by the worm wheel 46, and the transmission shaft 45 can drive the toothed ring 22 to slide in the arc-shaped positioning groove 42 by using the transmission gear 47 during rotation, so that the rocker arm bottom plate 12 can be pushed to rotate by taking the mandrel 13 as the axis.
Specifically disclosed, the second driving unit 5 includes:
The second driving motor 51 is fixedly arranged below the rocker arm bottom plate 12, and an output shaft 52 is fixedly arranged at the output end of the second driving motor 51;
The movable shaft 53, the movable shaft 53 rotates the below that sets up in rocking arm bottom plate 12, and the movable shaft 53 is connected with output shaft 52 transmission, and the outside of movable shaft 53 tip and the outside of axis of rotation 21 bottom have all fixedly cup jointed conical gear 54, and two conical gear 54 meshing are connected.
Further, both ends of the movable shaft 53 are rotatably provided with brackets 55, and the tops of the brackets 55 are fixedly connected below the rocker arm bottom plate 12.
Further, the end of the output shaft 52 and the end of the movable shaft 53 are fixedly sleeved with a movable pinion 521 and a movable gearwheel 531, respectively, and the movable pinion 521 and the movable gearwheel 531 are engaged with each other.
When the second driving motor 51 works, the output shaft 52 at the output end can drive the movable pinion 521 to rotate along with the movable pinion 521, at this time, the movable shaft 53 can be driven to rotate through the transmission relationship between the movable pinion 521 and the movable bull gear 531, and the movable shaft 53 is in transmission connection with the rotating shaft 21 through the two bevel gears 54, so that the rotating shaft 21 can rotate, and the turntable 2 can be driven to rotate in the horizontal direction.
In the use process, firstly, a workpiece is placed above the turntable 2, at this time, the centering fixture 3 is utilized to center and clamp the workpiece, when the first driving motor 43 works, the driving shaft 48 at the output end of the first driving motor can drive the driving pinion 481 to rotate, and then the worm 44 can be driven to rotate along with the driving pinion 481 through the transmission relation of the driving pinion 481 and the driving large gear 441, the worm 44 can drive the transmission shaft 45 to rotate through the worm wheel 46, and the transmission shaft 45 can drive the toothed ring 22 to slide in the arc-shaped positioning groove 42 through the transmission gear 47 when rotating, and then the rocker arm bottom plate 12 can be driven to rotate by taking the mandrel 13 as the axis, and then the turntable 2 can be driven to overturn;
meanwhile, when the second driving motor 51 works, the output shaft 52 at the output end of the second driving motor can drive the movable pinion 521 to rotate along with the movable pinion 521, at the moment, the movable shaft 53 can be driven to rotate through the transmission relation between the movable pinion 521 and the movable large gear 531, and the movable shaft 53 is in transmission connection with the rotating shaft 21 through the two bevel gears 54, so that the rotating shaft 21 can be rotated, the turntable 2 can be driven to rotate in the horizontal direction, the turntable 2 can be rotated in a combined way of overturning back and forth and rotating horizontally, the main shaft can be used for machining a plurality of machining surfaces of a workpiece, in particular, the negative angle surface of the workpiece and the inner cavity surface with a small opening inner cavity are avoided, the repeated clamping and disassembly of the workpiece are avoided, and the working efficiency is improved.
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The workpiece multi-angle adjusting device for machining of the numerical control machining center comprises a workbench (1) and is characterized in that a vertical plate (11) is arranged above the workbench (1), the vertical plate (11) is rotationally connected with a rocker bottom plate (12), a turntable (2) is arranged above the rocker bottom plate (12), a centering clamp (3) is arranged above the turntable (2), and the centering clamp (3) is used for centering and clamping a workpiece;
A toothed ring (22) is fixedly arranged below the rocker arm bottom plate (12), the toothed ring (22) is in transmission connection with a first driving unit (4) fixedly arranged above the workbench (1), and the first driving unit (4) can drive the rocker arm bottom plate (12) and the turntable (2) to turn by matching with the toothed ring (22);
The bottom fixedly connected with of revolving stage (2) runs through axis of rotation (21) that rocking arm bottom plate (12) set up, the bottom of axis of rotation (21) is connected with second drive unit (5) of fixed setting in rocking arm bottom plate (12) below, and second drive unit (5) cooperation axis of rotation (21) can drive revolving stage (2) and rotate.
2. The workpiece multi-angle adjusting device for machining of the numerical control machining center according to claim 1, wherein a mandrel (13) is rotatably arranged at the top of the vertical plate (11), the other end of the mandrel (13) is fixedly connected with a rocker side plate (14), the rocker side plate (14) is fixedly arranged above the rocker bottom plate (12), and a reinforcing plate (15) is fixedly connected with one side, away from the rocker side plate (14), of the vertical plate (11) and above the workbench (1).
3. The workpiece multi-angle adjusting device for machining a numerical control machining center according to claim 1, wherein the centering fixture (3) comprises a first platform (31) and a second platform (32), the second platform (32) is fixedly mounted above the first platform (31), the first platform (31) is fixedly mounted above the turntable (2), two first sliding grooves (311) which are transversely arranged are formed between the first platform (31) and the second platform (32), two second sliding grooves (321) which are arranged front and back are formed above the second platform (32), and side clamping blocks (33) and front and back clamping blocks (34) are respectively and slidably arranged above the first sliding grooves (311) and above the second sliding grooves (321).
4. The workpiece multi-angle adjusting device for machining a numerical control machining center according to claim 3, wherein sliding blocks (35) are slidably arranged on the inner wall of the first sliding groove (311) and the inner wall of the second sliding groove (321), the top of each sliding block (35) extends upwards and is connected with a mounting block (351) through bolts, the mounting blocks (351) are fixedly connected with the side clamping blocks (33) and the front clamping block and the rear clamping block (34) respectively, a screw rod (36) is further rotatably arranged on the inner wall of one first sliding groove (311) and the inner wall of one second sliding groove (321), the two screw rods (36) are in threaded connection with the corresponding sliding blocks (35) respectively, and the end portions of the screw rods (36) penetrate through the outer wall of the second platform (32) to extend outwards and are fixedly connected with rotating handles (361).
5. The workpiece multi-angle adjusting device for machining a numerical control machining center according to claim 4, wherein two first racks (37) and two second racks (38) are slidably arranged in the first platform (31) and the second platform (32) respectively, the end parts of the first racks (37) and the end parts of the second racks (38) are fixedly connected with the bottom ends of corresponding sliding blocks (35), rotating gears (39) are connected between the two first racks (37) and between the two second racks (38) in a meshed mode, and the two rotating gears (39) are rotatably arranged in the first platform (31) and the second platform (32) respectively.
6. The workpiece multi-angle adjustment device for machining in a numerically controlled machining center according to claim 1, wherein the first driving unit (4) includes:
The driving box (41), the driving box (41) is fixedly arranged at the top of the workbench (1), an arc-shaped positioning groove (42) is formed in the top of the driving box (41), and the toothed ring (22) is attached to the inner wall of the arc-shaped positioning groove (42);
The first driving motor (43), first driving motor (43) fixed mounting is in the inside of driving case (41), and first driving motor (43) transmission is connected with worm (44), and worm (44) rotate the inside that sets up in driving case (41), and driving case (41) inside still rotates and be provided with transmission shaft (45), and worm wheel (46) and drive gear (47) have been cup jointed to the outside of transmission shaft (45), and worm wheel (46) and drive gear (47) are connected with worm (44) and ring gear (22) meshing respectively.
7. The multi-angle workpiece adjustment device for machining a numerical control machining center according to claim 6, wherein a driving shaft (48) is fixedly arranged at the output end of the first driving motor (43), a driving large gear (441) and a driving small gear (481) are fixedly sleeved at the end of the worm (44) and the end of the driving shaft (48), and the driving small gear (481) and the driving large gear (441) are in meshed connection.
8. The workpiece multi-angle adjustment device for machining in a numerically controlled machining center according to claim 1, wherein the second driving unit (5) comprises:
The second driving motor (51) is fixedly arranged below the rocker arm bottom plate (12), and an output shaft (52) is fixedly arranged at the output end of the second driving motor (51);
the movable shaft (53), the movable shaft (53) rotates the below that sets up in rocking arm bottom plate (12), and movable shaft (53) are connected with output shaft (52) transmission, and the outside of movable shaft (53) tip and the outside of axis of rotation (21) bottom have all fixedly cup jointed conical gear (54), two conical gear (54) meshing are connected.
9. The workpiece multi-angle adjusting device for machining a numerical control machining center according to claim 8, wherein the two ends of the movable shaft (53) are rotatably provided with brackets (55), and the tops of the brackets (55) are fixedly connected below the rocker arm bottom plate (12).
10. The workpiece multi-angle adjusting device for machining a numerical control machining center according to claim 8, wherein the end of the output shaft (52) and the end of the movable shaft (53) are fixedly sleeved with a movable pinion (521) and a movable gearwheel (531), respectively, and the movable pinion (521) and the movable gearwheel (531) are in meshed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411471537.6A CN118977126A (en) | 2024-10-22 | 2024-10-22 | A workpiece multi-angle adjustment device for machining in a CNC machining center |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411471537.6A CN118977126A (en) | 2024-10-22 | 2024-10-22 | A workpiece multi-angle adjustment device for machining in a CNC machining center |
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| CN118977126A true CN118977126A (en) | 2024-11-19 |
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| CN202411471537.6A Pending CN118977126A (en) | 2024-10-22 | 2024-10-22 | A workpiece multi-angle adjustment device for machining in a CNC machining center |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN119748144A (en) * | 2025-03-10 | 2025-04-04 | 潍坊城锴电子科技有限公司 | A fixture for a numerical control machining center and a working method thereof |
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Application publication date: 20241119 |