CN221809105U - Lifting control mechanism of numerical control milling machine - Google Patents

Abstract

The utility model discloses a lifting control mechanism of a numerical control milling machine, which comprises a shaft rod and a first screw rod, wherein one end shaft of the shaft rod is connected into a connecting groove, the other end shaft of the shaft rod penetrates through the side surface of a base to the outside, the other end of the shaft rod is fixedly connected with a first hand wheel, the connecting groove is fixedly connected to the side surface of the inner wall of the base, two ends of the shaft rod are respectively fixedly connected with two transmission gears, the middle of the shaft rod is fixedly connected with a worm wheel, upper end threads of the first screw rod penetrate through the top surface of the base to the outside, the upper ends of the first screw rod are respectively and fixedly connected to two sides of the bottom surface of a workbench, the top surface of the workbench is provided with a rotary platform, and the middle of the bottom surface of the rotary platform is fixedly connected with the upper end of a worm. According to the utility model, the height of the workbench is controlled through the first screw, the rotation of the rotating platform is controlled through the worm, the material is subjected to multi-angle turning and milling, and the material is clamped through the clamping plate and the limiting plate, so that the material cannot shake during use.

Description

A lifting control mechanism for a numerically controlled milling machine

Technical Field

The utility model relates to the technical field of numerically controlled milling machines, in particular to a lifting control mechanism of a numerically controlled milling machine.

Background Art

A milling machine is a widely used machine tool. It can process planes (horizontal and vertical surfaces), grooves (keyways, T-slots, dovetail grooves, etc.), toothed parts (gears, spline shafts, sprockets), spiral surfaces (threads, spiral grooves) and various curved surfaces. In addition, it can also be used for processing the surface of a rotating body, processing inner holes, and cutting. When the milling machine is working, the workpiece is mounted on a workbench or an accessory such as a dividing head. The main motion is the rotation of the spindle, supplemented by the feed motion of the workbench or milling head, so that the workpiece can obtain the required processing surface. Due to the multi-blade intermittent cutting, the productivity of the milling machine is relatively high. Simply put, a milling machine is a machine tool that can perform milling, drilling and boring on a workpiece.

Milling machines have a wide range of uses, but the workbench of a general milling machine is fixed and can only process objects of a single size. Its scope of application is small and its limitations are large.

Therefore, we propose a lifting control mechanism for a CNC milling machine to solve the above-mentioned problems.

Utility Model Content

The purpose of the utility model is to provide a lifting control mechanism for a CNC milling machine, so as to solve the problem mentioned in the above background technology that the existing rehabilitation training device cannot provide the most suitable training effect for different patients.

To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a lifting control mechanism of a CNC milling machine, comprising a shaft rod and a screw rod, one end of the shaft rod is axially connected to a connecting groove, and the other end of the shaft rod passes through the side of the base to the outside, and the other end of the shaft rod is fixedly connected to a hand wheel, the connecting groove is fixedly connected to the inner wall side of the base, the two ends of the shaft rod are respectively fixedly connected to two transmission gears, the middle of the shaft rod is fixedly connected to a worm gear, the upper end threads of the two screw rods pass through the top surface of the base to the outside, and the upper ends of the two screw rods are respectively fixedly connected to the two sides of the bottom surface of the workbench, the top surface of the workbench is provided with a rotating platform, the middle of the bottom surface of the rotating platform is fixedly connected to the upper end of the worm, and the lower end shaft of the worm passes through the top surface of the base and the workbench to the inside of the sleeve, and the bottom surface of the sleeve is fixedly connected to the bottom of the inner wall of the base. Material toggling mechanism, its both sides respectively have a cylinder pressure, and the cylinder pressure bar connects swing arm, and the swing arm end face has hook portion, and a bar passes position between the end of two swing arms and the hook portion.

Preferably, the two transmission gears are respectively meshed and connected with the two screw rods.

By adopting the above technical solution, the two transmission gears rotate to drive the two screw rods to move upwards, and the two screw rods move upwards to drive the workbench to move upwards.

Preferably, the worm wheel is meshingly connected to the worm.

By adopting the above technical solution, the rotation of the worm wheel drives the worm to rotate, and the rotation of the worm drives the rotating platform to rotate.

Preferably, the outer shape of the rotating platform is circular.

By adopting the above technical solution, the rotating platform rotates inside the workbench.

Preferably, the four moving blocks and the four clamping plates are arranged in groups of two and are symmetrically arranged on the top surface of the rotating platform with the center of the rotating platform.

By adopting the above technical solution, the rotation of the rotating platform drives the four moving blocks and the four clamping plates to rotate.

Preferably, the threads at both ends of the two screw rods are opposite.

By adopting the above technical solution, the second screw is rotated, and the clamping plates at both ends thereof are centered and close to each other.

Preferably, the side surface of each clamping plate closest to the limiting plate and the bottom surface of the limiting plate are both provided with friction pads, and the top surface of each limiting plate is provided with a handle.

By adopting the above technical solution, the friction pad increases the friction force, so that the clamping plate can clamp the material more firmly, and the limit plate can be moved upward by the handle.

Preferably, tooth plates are provided on the sides of the two slide grooves, and the tooth plates are meshingly connected with the gears.

By adopting the above technical solution, the gear is meshed and connected with the tooth plate, and the four moving blocks move in the slide groove.

Compared with the prior art, the beneficial effects of the utility model are: a lifting control mechanism of a CNC milling machine controls the height of the workbench through a screw rod, controls the rotation of the rotating platform through a worm, performs multi-angle turning and milling on the material, and clamps the material through a clamp and a limit plate to prevent the material from shaking during use.

1. The utility model is provided with a screw rod and a worm. When the screw rod and the transmission gear are meshed and connected, the rotation of the shaft rod drives the transmission gear to rotate, the rotation of the transmission gear drives the screw rod to move upward, the upward movement of the screw rod drives the workbench to move upward, and when the worm wheel and the worm are meshed and connected, the rotation of the shaft rod drives the worm wheel to rotate, the rotation of the worm wheel drives the worm to rotate, and the rotation of the worm drives the rotating platform to rotate.

2. The utility model is provided with a clamping plate and a limiting plate. The rotation of the screw rod drives the clamping plates at both ends to be centered and close to each other, so that the two clamping plates clamp the material, and the limiting plate is moved upward to place the material under the limiting plate, and the material is clamped by the limiting plate.

BRIEF DESCRIPTION OF THE DRAWINGS

Figure 1 is a front sectional structural diagram of the utility model;

Figure 2 is a schematic diagram of the top surface structure of the utility model;

Figure 3 is a schematic cross-sectional view of the structure of the clamping plate and the limiting plate of the utility model;

FIG4 is an enlarged structural diagram of point A in FIG3 of the present invention.

In the figure: 1. base; 2. shaft; 3. handwheel 1; 4. connecting groove; 5. transmission gear; 6. worm gear; 7. screw 1; 8. workbench; 9. rotating platform; 10. worm; 11. sleeve; 12. baffle; 13. moving block; 14. screw 2; 15. handwheel 2; 16. clamping plate; 17. limit plate; 18. CNC system; 19. spindle; 20. slide groove; 21. gear; 22. spring; 23. connecting rod.

DETAILED DESCRIPTION

The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

Please refer to Figures 1-4. The utility model provides a technical solution: a lifting control mechanism of a CNC milling machine, including a shaft rod 2 and a screw rod 7, one end of the shaft rod 2 is connected to the connecting groove 4, and the other end of the shaft rod 2 passes through the side of the base 1 to the outside, and the other end of the shaft rod 2 is fixedly connected to a hand wheel 3, the connecting groove 4 is fixedly connected to the inner wall side of the base 1, the two ends of the shaft rod 2 are respectively fixedly connected to two transmission gears 5, the middle of the shaft rod 2 is fixedly connected to a worm gear 6, the upper end threads of the two screw rods 7 pass through the top surface of the base 1 to the outside, and the upper ends of the two screw rods 7 are respectively fixedly connected to the two sides of the bottom surface of the workbench 8, and the two The transmission gear 5 is meshed and connected with two screws 7 respectively. A rotating platform 9 is provided on the top surface of the workbench 8. The external shape of the rotating platform 9 is circular. The upper end of the worm 10 is fixedly connected to the middle of the bottom surface of the rotating platform 9, and the lower end shaft of the worm 10 passes through the top surface of the base 1 and the workbench 8 to the sleeve 11. The worm wheel 6 is meshed and connected with the worm 10. The bottom surface of the sleeve 11 is fixedly connected to the middle of the bottom surface of the inner wall of the base 1. The top surface of the workbench 8 is provided with a baffle 12 around it. The top surface of the rotating platform 9 is provided with two slide grooves 20, and four moving blocks 13 are movably connected in two groups in the two slide grooves 20. The four moving blocks 13 and the four clamps Two plates 16 are arranged in a group and are symmetrically arranged on the top surface of the rotating platform 9 with the center of the rotating platform 9. The lower ends of the four moving blocks 13 are provided with gears 21, and the sides of the two slide grooves 20 are provided with toothed plates, and the toothed plates are meshed and connected with the gears 21. The four moving blocks 13 are arranged in a group of two with screw rods 14 arranged in the middle. One end of the screw rod 14 is connected to one side of a moving block 13, and the other end of the screw rod 14 passes through the other moving block 13, and the other end of the screw rod 14 is fixedly connected to the hand wheel 15. The threads at both ends of the two screw rods 14 are opposite, and the two ends of the screw rod 14 are respectively threadedly connected to two clamping plates 16, and each Each splint 16 is provided with a limiting plate 17, and a friction pad is provided on the side surface of each splint 16 closest to the limiting plate 17 and the bottom surface of the limiting plate 17, and a friction pad is provided on the side surface of each splint 16 closest to the limiting plate 17 and the bottom surface of the limiting plate 17, and a handle is provided on the top surface of each limiting plate 17, one end of the limiting plate 17 passes through the side surface of the splint 16 and is movably connected to the connecting rod 23, a spring 22 is provided between one end of the limiting plate 17 and the top surface of the inner wall of the splint 16, and the spring 22 is sleeved on the outer side of the connecting rod 23, and a numerical control system 18 is provided on the side surface of the base 1, and the numerical control system 18 is connected to the main shaft 19.

Working principle: Pull the handwheel 3 outward to drive the shaft 2 to move outward. The shaft 2 moves outward so that the transmission gears 5 at both ends of the shaft 2 are respectively meshed and connected with the two screws 7. Turn the handwheel 3 to drive the shaft 2 to rotate. The shaft 2 rotates through the two transmission gears 5 to move the two screws 7 upward. The two screws 7 move upward to move the workbench 8 upward. Push the handwheel 3 inward to drive the shaft 2 to move inward. The inward movement of the shaft 2 causes the worm wheel 6 and the worm 10 in the middle of the shaft 2 to mesh and connect. Turn the handwheel 3 to drive the shaft 2 Rotate, the shaft 2 rotates through the worm gear 6 to drive the worm 10 to rotate, the rotation of the worm 10 drives the rotating platform 9 to rotate, the reverse rotation of the handwheel 2 15 drives the screw 2 14 to rotate, so that the two clamps 16 move away from each other, pull up the limit plate 17, place the material to be turned and milled on the rotating platform 9, move the four moving blocks 13 to make the clamp 16 close to the material, the forward rotation of the handwheel 2 15 drives the screw 2 14 to rotate, so that the two clamps 16 move close to each other, clamp the material, start the CNC system 18, and the spindle 19 drives the milling cutter to turn and mill the material.

Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims (8)

1. The lifting control mechanism of the numerical control milling machine comprises a shaft lever (2) and a first screw rod (7), and is characterized in that one end shaft of the shaft lever (2) is connected to the inside of a connecting groove (4), the other end shaft of the shaft lever (2) penetrates through the side surface of a base (1) to the outside, the other end of the shaft lever (2) is fixedly connected with a first hand wheel (3), the connecting groove (4) is fixedly connected to the side surface of the inner wall of the base (1), two ends of the shaft lever (2) are respectively fixedly connected with two transmission gears (5), the middle of the shaft lever (2) is fixedly connected with a worm wheel (6), the upper ends of the two first screws (7) penetrate through the top surface of the base (1) to the outside, the upper ends of the two first screws (7) are respectively fixedly connected to the two sides of the bottom surfaces of a working table (8), the top surface of the working table (8) is provided with a rotary platform (9), the middle of the bottom surface of the rotary platform (9) is fixedly connected with the upper end of a worm (10), the lower end shaft of the worm (10) penetrates through the top surface of the base (1) and the working table (8) to the top surface of the base (11), the top surface of the working table (8) is fixedly connected with a sleeve (11) and the top surface of the two middle sleeves (20), and use two in two spout (20) to be a set of swing joint has four movable blocks (13), four the lower extreme of movable block (13) all is provided with gear (21), four movable block (13) are provided with screw rod two (14) in the middle of taking two to a set of, one end hub connection in one movable block (13) of screw rod two (14), the other end hub connection in another movable block (13) of screw rod two (14), and the other end fixedly connected with hand wheel two (15) of screw rod two (14), the both ends of screw rod two (14) are threaded connection respectively has two splint (16), and every splint (16) all are provided with limiting plate (17), the side swing joint of splint (16) is run through in connecting rod (23) to the one end of limiting plate (17), be provided with spring (22) between the inner wall top surface of splint (16), and spring (22) cover locates the outside of connecting rod (23), the side of base (1) is provided with numerical control system (18), and main shaft (18) are connected with.

2. The lifting control mechanism of a numerically controlled milling machine according to claim 1, wherein: the two transmission gears (5) are respectively connected with two screw rods (7) in a meshed mode.

3. The lifting control mechanism of a numerically controlled milling machine according to claim 1, wherein: the worm wheel (6) is meshed with the worm (10).

4. The lifting control mechanism of a numerically controlled milling machine according to claim 1, wherein: the external shape of the rotary platform (9) is circular.

5. The lifting control mechanism of a numerically controlled milling machine according to claim 1, wherein: the four moving blocks (13) and the four clamping plates (16) are symmetrically arranged on the top surface of the rotating platform (9) in a group by the circle center of the rotating platform (9).

6. The lifting control mechanism of a numerically controlled milling machine according to claim 1, wherein: the threads at the two ends of the two screw rods (14) are opposite.

7. The lifting control mechanism of a numerically controlled milling machine according to claim 1, wherein: the side surface, closest to the limiting plate (17), of each clamping plate (16) and the bottom surface of the limiting plate (17) are both provided with friction pads, and the top surface of each limiting plate (17) is provided with a handle.

8. The lifting control mechanism of a numerically controlled milling machine according to claim 1, wherein: the side surfaces of the two sliding grooves (20) are provided with toothed plates which are meshed with the gears (21).