CN220761131U - Numerical control milling machine for high-precision machining - Google Patents

Abstract

The utility model discloses a numerical control milling machine for high-precision machining, which relates to the technical field of numerical control milling machines, and solves the technical problems that a milling head can only lift and horizontally move and cannot lift, rotate and feed and cannot adjust multiple degrees of freedom in the prior art.

Description

Numerical control milling machine for high-precision machining

Technical Field

The utility model relates to the technical field of numerical control milling machines, in particular to a numerical control milling machine for high-precision machining.

Background

The numerical control milling machine is also called CNC (Computer Numerical Control) milling machine, which is a milling machine controlled by the digital signal of an electronic computer. The automatic processing equipment is developed on the basis of a general milling machine, and can finish basic milling, boring, drilling, tapping, automatic working cycle and other works. The numerical control milling machine mainly comprises a machine body, a milling head, a longitudinal workbench, a transverse saddle, a lifting table, an electric control system and the like. The numerical control milling machine is widely applied to the fields of aerospace, mechanical manufacturing, mold processing and the like, and can finish the processing tasks of plane milling, two-dimensional contour milling, curve surface milling and the like.

The utility model with the publication number of CN210817606U comprises a numerical control milling machine body, wherein a base is fixedly arranged at the bottom of the numerical control milling machine body, a processing table is movably arranged at the middle position of the upper surface of the base, a sound-proof housing is fixedly arranged at the edge position of the upper surface of the base, a spindle box is movably arranged on the outer wall of one side of the top of the numerical control milling machine body, a supporting plate is fixedly arranged on the inner wall of the top of the sound-proof housing, a sliding rail is fixedly connected with the lower surface of the supporting plate, a sliding block is slidingly connected with the lower surface of the sliding rail, a power box is fixedly connected with the lower end of the sliding block, and a gooseneck is fixedly connected with the lower end of the power box.

The milling head can only lift and horizontally move, cannot lift, rotate and feed, and cannot adjust multiple degrees of freedom.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a numerical control milling machine with high precision, which solves the technical problems that the milling head can only lift and horizontally move and can not lift, rotate and feed and can not adjust multiple degrees of freedom in the prior art.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a numerically controlled fraise machine of processing of high accuracy, includes the base, fixed mounting has a pair of horizontal slide rail on the base, a pair of horizontal slide rail upper wall slidable mounting has the cutter platform, cutter platform upper wall fixed mounting has perpendicular slide rail, slidable mounting has the elevating platform in the perpendicular slide rail, elevating platform internal rotation has the main shaft, main shaft one end fixed mounting has the swing arm, slidable mounting has the adjusting block in the swing arm, fixed mounting has a pair of vertical slide rail on the adjusting block, a pair of slidable mounting has the gear reducer in the vertical slide rail, the gear reducer lower extreme is provided with the milling cutter head, the gear reducer upper end is provided with driving motor, compares prior art, and this numerically controlled fraise machine can realize the lift, rotation and the feed adjustment of milling cutter head, possesses more degrees of freedom, can satisfy different processing demands.

Preferably, a first motor is fixedly arranged on the upper wall surface of the base, a screw rod is fixedly arranged at the driving end of the first motor, a threaded hole is formed in the cutter platform, and the screw rod is in threaded connection with the threaded hole.

Preferably, the lifting hydraulic cylinder is fixedly arranged on the upper wall surface of the vertical sliding rail, and the telescopic end of the lifting hydraulic cylinder is fixedly arranged on the upper wall surface of the lifting table.

Preferably, a second motor is fixedly arranged on the side wall surface of the lifting table, a worm is fixedly arranged at the driving end of the second motor, a worm wheel is fixedly arranged on the main shaft, and the worm is in meshed connection with the worm wheel.

Preferably, a balancing weight is fixedly arranged at one end of the swinging arm.

Preferably, a third motor is fixedly arranged on the swing arm, a threaded rod is fixedly arranged at the driving end of the third motor, a threaded hole is formed in the adjusting block, and the threaded rod is in threaded connection with the adjusting block.

Preferably, the drive motor drive end is fixedly connected to the gear reducer input, and the gear reducer output is connected to the milling head input.

Preferably, the two ends of the gear reducer are fixedly provided with linear motors, and the driving ends of the linear motors are connected in the pair of longitudinal sliding rails.

Advantageous effects

Compared with the prior art, the numerical control milling machine can realize lifting, rotating and feeding adjustment of a milling head, has more degrees of freedom, can meet different processing requirements, and increases the processing directions such as swinging, oblique feeding and the like compared with the conventional six-direction movement.

Drawings

Fig. 1 is a schematic side view structure of a numerical control milling machine for high-precision machining according to the present utility model.

In the figure: 1. a base; 2. a transverse slide rail; 3. a tool platform; 4. a vertical slide rail; 5. a lifting table; 6. a main shaft; 7. a swing arm; 8. adjusting the block; 9. a longitudinal slide rail; 10. a gear reducer; 11. a milling head; 12. a driving motor; 13. a first motor; 14. a screw rod; 15. a lifting hydraulic cylinder; 16. a second motor; 17. a worm; 18. a worm wheel; 19. balancing weight; 20. a third motor; 21. a threaded rod; 22. a linear motor.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, the present utility model provides a technical solution: the utility model provides a numerically controlled fraise machine of processing of high accuracy, includes base 1, fixed mounting has a pair of horizontal slide rail 2 on the base 1, a pair of horizontal slide rail 2 upper wall slidable mounting has cutter platform 3, cutter platform 3 upper wall fixed mounting has perpendicular slide rail 4, slidable mounting has elevating platform 5 in perpendicular slide rail 4, elevating platform 5 internally mounted has main shaft 6, main shaft 6 one end fixed mounting has swing arm 7, slidable mounting has adjusting block 8 in the swing arm 7, fixed mounting has a pair of vertical slide rail 9 on the adjusting block 8, a pair of slidable mounting has gear reducer 10 in vertical slide rail 9, gear reducer 10 lower extreme is provided with milling head 11, gear reducer 10 upper end is provided with driving motor 12, compares prior art, and this numerically controlled fraise machine can realize the lift, the rotation and the feed adjustment of milling head 11, possesses more degrees of freedom, can satisfy different processing demands.

The embodiment is further configured in that a first motor 13 is fixedly installed on the upper wall surface of the base 1, a screw rod 14 is fixedly installed at the driving end of the first motor 13, a threaded hole is formed in the tool platform 3, and the screw rod 14 is in threaded connection with the threaded hole.

The embodiment is further configured in that a lifting hydraulic cylinder 15 is fixedly mounted on the upper wall surface of the vertical sliding rail 4, and a telescopic end of the lifting hydraulic cylinder 15 is fixedly mounted on the upper wall surface of the lifting table 5.

The embodiment is further configured in that a second motor 16 is fixedly installed on the side wall surface of the lifting platform 5, a worm 17 is fixedly installed at the driving end of the second motor 16, a worm wheel 18 is fixedly installed on the main shaft 6, and the worm 17 is meshed with the worm wheel 18.

The embodiment is further configured such that a counterweight 19 is fixedly mounted on one end of the swing arm 7.

The embodiment is further configured in that a third motor 20 is fixedly installed on the swing arm 7, a threaded rod 21 is fixedly installed at the driving end of the third motor 20, a threaded hole is formed in the adjusting block 8, and the threaded rod 21 is in threaded connection with the adjusting block 8.

The embodiment is further configured such that the driving end of the driving motor 12 is fixedly connected to the input end of the gear reducer 10, and the output end of the gear reducer 10 is connected to the input end of the milling head 11.

The embodiment is further configured in such a way that two ends of the gear reducer 10 are fixedly provided with a linear motor 22, and the driving ends of the linear motor 22 are connected to the pair of longitudinal sliding rails 9.

The detailed connection means are known in the art, and the following mainly describes the working principle and process, and the specific work is as follows.

Examples: as shown in fig. 1, the driving motor 12, the first motor 13, the second motor 16 and the third motor 20 are connected with an external controller and a power supply through wires, and the device is used as follows, the driving end of the first motor 13 rotates to drive the screw rod 14 to rotate, the screw rod 14 drives the tool platform 3 in threaded connection with the screw rod 14 to rotate, the tool platform 3 horizontally and transversely moves, and the tool platform moves between the transverse sliding rails 2 to adjust the sliding of the milling head 11 in the horizontal direction.

The telescopic end of the lifting hydraulic cylinder 15 drives the lifting table 5 to move, the angle of the rotation axis of the milling head 11 is adjusted, the driving end of the second motor 16 rotates to drive the worm 17 to rotate, the worm 17 is meshed with the worm wheel 18 to enable the main shaft 6 to rotate, the driving end of the third motor 20 rotates to drive the threaded rod 21 to rotate, the position of the adjusting block 8 on the swinging arm 7 is adjusted, then the longitudinal sliding rail 9 moves, the radius degree of the milling cutter relative to the rotation axis of the main shaft 6 is adjusted, the linear motor 22 drives the distance of the milling head 11 relative to the main shaft 6, and the sliding of the milling head 11 in the horizontal direction is adjusted.

The driving end of the driving motor 12 rotates to drive the milling head 11 to rotate through the gear reducer 10, and the milling head 11 can be used by selecting standard parts.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.

Claims (8)

1. The utility model provides a numerical control milling machine of processing of high accuracy, includes base (1), its characterized in that, fixed mounting has a pair of horizontal slide rail (2) on base (1), a pair of wall slidable mounting has cutter platform (3) on horizontal slide rail (2), wall fixed mounting has perpendicular slide rail (4) on cutter platform (3), slidable mounting has elevating platform (5) in perpendicular slide rail (4), elevating platform (5) internally mounted has main shaft (6), main shaft (6) one end fixed mounting has swing arm (7), slidable mounting has adjusting block (8) on swing arm (7), fixed mounting has a pair of vertical slide rail (9) on adjusting block (8), a pair of slidable mounting has gear reducer (10) on vertical slide rail (9), gear reducer (10) lower extreme is provided with milling cutter head (11), gear reducer (10) upper end is provided with driving motor (12).

2. The numerical control milling machine for high-precision machining according to claim 1, wherein a first motor (13) is fixedly arranged on the upper wall surface of the base (1), a screw rod (14) is fixedly arranged at the driving end of the first motor (13), a threaded hole is formed in the tool platform (3), and the screw rod (14) is in threaded connection with the threaded hole.

3. The numerical control milling machine for high-precision machining according to claim 1, wherein a lifting hydraulic cylinder (15) is fixedly arranged on the upper wall surface of the vertical sliding rail (4), and the telescopic end of the lifting hydraulic cylinder (15) is fixedly arranged on the upper wall surface of the lifting table (5).

4. The numerical control milling machine for high-precision machining according to claim 1, wherein a second motor (16) is fixedly arranged on the side wall surface of the lifting table (5), a worm (17) is fixedly arranged at the driving end of the second motor (16), a worm wheel (18) is fixedly arranged on the main shaft (6), and the worm (17) is meshed and connected with the worm wheel (18).

5. The numerical control milling machine for high-precision machining according to claim 1, wherein a balancing weight (19) is fixedly arranged at one end of the swinging arm (7).

6. The numerical control milling machine for high-precision machining according to claim 1, wherein a third motor (20) is fixedly installed on the swinging arm (7), a threaded rod (21) is fixedly installed at the driving end of the third motor (20), a threaded hole is formed in the adjusting block (8), and the threaded rod (21) is in threaded connection with the adjusting block (8).

7. The high-precision numerical control milling machine according to claim 1, wherein the driving end of the driving motor (12) is fixedly connected with the input end of a gear reducer (10), and the output end of the gear reducer (10) is connected with the input end of a milling head (11).

8. The high-precision numerical control milling machine is characterized in that two ends of the gear reducer (10) are fixedly provided with linear motors (22), and driving ends of the linear motors (22) are connected in the pair of longitudinal sliding rails (9).