CN210878582U

CN210878582U - Lifting mechanism for numerical control milling machine

Info

Publication number: CN210878582U
Application number: CN201922004277.2U
Authority: CN
Inventors: 杨菊
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-20
Filing date: 2019-11-20
Publication date: 2020-06-30
Anticipated expiration: 2029-11-20

Abstract

The utility model belongs to the technical field of milling machine lifting, in particular to a lifting mechanism for a numerical control milling machine, which comprises an operation table, wherein the bottom of the operation table is provided with a moving mechanism, the moving mechanism comprises a base and two positioning frames, a cavity is arranged in the base, the side wall of the base is fixedly connected with a motor, the motor is electrically connected with an external power supply, the output end of the motor penetrates through the base and is fixedly connected with a worm, and the worm rotates in the base; the worm wheel and the worm that set up drive the lead screw and rotate during transmission, and the slider on the lead screw slides in the locating frame simultaneously to can drive the backup pad and remove, make the operation panel can go up and down, worm wheel and worm itself has the function of auto-lock, and bearing capacity is big, and when the backup pad removed, the reinforcing plate can remove in the spout, and be connected with the backup pad through the gusset, can improve the stability that the device drove the operation panel and goes up and down, the work that makes the milling machine can be stable.

Description

Lifting mechanism for numerical control milling machine

Technical Field

The utility model relates to a milling machine lifting technology field specifically is a be used for numerically controlled fraise machine elevating system.

Background

Milling machines are mainly machine tools for machining various surfaces of workpieces by using milling cutters, generally, the milling cutters move mainly by rotating motion, and the workpiece and the milling cutters move by feeding motion, so that the milling machines can machine planes and grooves, and can machine various curved surfaces, gears and the like.

Chinese patent publication (CN 102463374A) discloses a vertical numerically controlled milling machine with a lifter suitable for heavy cutting, in which the lifter of the technology can be driven by the rotation of a lifter motor through a transmission rod and a main bevel gear thereof, a secondary bevel gear thereof, and an overrunning damping device to rotate a lifting ball screw, and the rotating lifting ball screw drives the lifter to move up and down through a screw nut of a nut seat mounted on the lifter, so that the lifter can be lifted and lowered by the cooperation of the gear and the screw, and the gear itself has no overload protection function.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be used for numerically controlled fraise machine elevating system to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a lifting mechanism for a numerical control milling machine comprises an operation table, wherein a moving mechanism is arranged at the bottom of the operation table and comprises a base and two positioning frames, a cavity is formed in the base, a motor is fixedly connected to the side wall of the base and electrically connected with an external power supply, the output end of the motor penetrates through the base and is fixedly connected with a worm, the worm rotates in the base, an installation upright is fixedly connected to the top of the base, the two positioning frames are respectively positioned at two sides of the installation upright, connecting plates are respectively and fixedly connected to the tops of the two positioning frames, the connecting plates are fixed on the installation upright, a lead screw is rotatably connected to the inner sides of the two positioning frames, one end of the lead screw penetrates through the base and rotates in the base, worm wheels are fixedly connected to the outer walls of the two lead screws, and are meshed with the worm wheels, the inboard sliding connection of locating frame has the slider, the slider with the lead screw transmission is connected, two the equal fixedly connected with backup pad of slider front end, the operation panel is fixed backup pad bottom, the base rear side articulates there is the apron.

As a further aspect of the present invention: the top of the inner side of the positioning frame and the bottom of the inner side of the base are respectively provided with a first rotating groove and a second rotating groove, and two ends of the screw rod are respectively rotated in the first rotating groove and the second rotating groove.

As a further aspect of the present invention: the mounting upright post is characterized in that the front end of the mounting upright post is provided with a chute, and a reinforcing plate is connected in the chute in a sliding manner.

As a further aspect of the present invention: the reinforcing plate is characterized in that rib plates are fixedly connected to two sides of the reinforcing plate, and the other ends of the two rib plates are fixed to the supporting plate respectively.

As a further aspect of the present invention: the length of the reinforcing plate is the same as that of the supporting plate.

As a further aspect of the present invention: the length of the sliding groove is consistent with that of the screw rod.

As a further aspect of the present invention: the top of the cover plate is provided with a clamping groove, the top of the base is provided with a clamping pin, and the clamping pin is inserted into the clamping groove.

Compared with the prior art, the beneficial effects of the utility model are that:

drive the lead screw through the worm wheel that sets up and rotate during the worm transmission, the both ends of lead screw can be respectively at fixed frame and base internal rotation, slider on the lead screw slides in the locating frame simultaneously, thereby can drive the backup pad and remove, make the operation panel can go up and down, worm wheel and worm itself has the function of auto-lock, and bearing capacity is big, when the backup pad removes, the reinforcing plate can remove in the spout, and be connected with the backup pad through the gusset, can improve the stability that the device drove the operation panel and go up and down, make the work that the milling machine can be stable, and through extracting the bayonet lock from the draw-in groove, can make the apron rotatory, thereby can make the inside worm wheel and worm of base expose, be convenient for maintain and maintain it, the life-span.

Drawings

FIG. 1 is a schematic structural diagram of a lifting mechanism for a numerically controlled milling machine;

FIG. 2 is a schematic structural diagram of a moving mechanism used in a lifting mechanism of a numerically controlled milling machine;

FIG. 3 is a schematic structural diagram of the interior of a moving mechanism used in a lifting mechanism of a numerically controlled milling machine;

FIG. 4 is a schematic structural diagram of the interior of a base used in a lifting mechanism of a numerically controlled milling machine.

In the figure: 1. an operation table; 2. a moving mechanism; 21. a base; 211. a second rotary groove; 22. a positioning frame; 221. a first rotary groove; 23. a connecting plate; 24. a screw rod; 241. a worm gear; 25. a slider; 251. a support plate; 26. a reinforcing plate; 27. a rib plate; 3. a motor; 31. a worm; 4. mounting the upright post; 401. a chute; 5. a cover plate; 501. a card slot; 51. a bayonet lock.

Detailed Description

Referring to fig. 1-4, in an embodiment of the present invention, a lifting mechanism for a numerically controlled milling machine includes an operation table 1, a moving mechanism 2 is disposed at the bottom of the operation table 1, the moving mechanism 2 includes a base 21 and two positioning frames 22, a cavity is disposed inside the base 21, a motor 3 is fixedly connected to a side wall of the base 21, the motor 3 is electrically connected to an external power source, an output end of the motor 3 penetrates through the base 21 and is fixedly connected to a worm 31, the worm 31 rotates in the base 21, a mounting column 4 is fixedly connected to a top of the base 21, the two positioning frames 22 are respectively located at two sides of the mounting column 4, a connecting plate 23 is respectively fixedly connected to tops of the two positioning frames 22, the connecting plate 23 is fixed to the mounting column 4, a lead screw 24 is rotatably connected to inner sides of the two positioning frames 22, one end of the lead screw 24 penetrates through the base 21, and worm wheel 241 is connected with worm 31 meshing, and locating frame 22 inboard sliding connection has slider 25, and slider 25 is connected with lead screw 24 transmission, and the equal fixedly connected with backup pad 251 of two slider 25 front ends, operation panel 1 are fixed in backup pad 251 bottom, and the rear side of base 21 articulates there is apron 5.

In fig. 1-3: the top of the inner side of the positioning frame 22 and the bottom of the inner side of the base 21 are respectively provided with a first rotary groove 221 and a second rotary groove 211, two ends of the screw rod 24 respectively rotate in the first rotary groove 221 and the second rotary groove 211, a motor 3 (model Y90S) is started to drive the worm 31 to rotate and drive the worm wheel 241 to rotate, so that the screw rod 24 can rotate in the positioning frame 22 and the base 21, meanwhile, the slide block 25 can move in the positioning frame 22 under the action of threads, so that the support plate 251 can drive the operating platform 1 to lift, the screw rod 24 can stably rotate, so that the slide block 25 can be driven to move in the positioning frame 22, the motor 3 is provided with an independent switch button, the action of the motor 3 can be controlled by a switch, the front end of the installation upright column 4 is provided with a slide groove 401, the installation upright column 4 is a part of a milling machine, an operation driving structure of the milling machine is, all fixedly connected with gusset 27 in reinforcing plate 26 both sides, two gusset 27 other ends are fixed respectively on backup pad 251, the length of reinforcing plate 26 is the same with the length of backup pad 251, the length of spout 401 is unanimous with the length of lead screw 24, the stroke that makes reinforcing plate 26 and backup pad 251 remove is unanimous, worm wheel 241 and worm 31 itself have the function of auto-lock, and bearing capacity is big, when backup pad 251 removes, reinforcing plate 26 can remove in spout 401, and be connected with backup pad 251 through gusset 27, can improve the stability that the device drove operation panel 1 and goes up and down, make the work that the milling machine can be stable.

In fig. 4: the draw-in groove 501 has been seted up at apron 5 top, and base 21 top is equipped with bayonet 51, and bayonet 51 is pegged graft in draw-in groove 501, when needs maintain the drive structure in the base 21 with maintain, through extracting bayonet 51 in following draw-in groove 501, can make apron 5 rotatory to can make the drive structure of base 21 inside expose, be convenient for maintain and maintain it, improve the life-span of device use.

The utility model discloses a theory of operation is: the worm 31 is driven to rotate by starting the motor 3, so that the worm wheel 241 rotates, the screw rod 24 can rotate in the positioning frame 22 and the base 21, meanwhile, the slide block 25 can move in the positioning frame 22 under the action of the screw thread, so that the support plate 251 can drive the operating platform 1 to lift, the worm wheel 241 and the worm 31 have the self-locking function, and the bearing capacity is large, the reinforcing plate 26 can move in the slide groove 401 while the supporting plate 251 moves, and is connected with the supporting plate 251 through the rib plate 27, the stability of the device for driving the operating platform 1 to lift can be improved, the milling machine can work stably, when maintenance or repair of the drive mechanism within the base 21 is required, the cover plate 5 can be rotated by withdrawing the bayonet 51 from the bayonet slot 501, therefore, the driving structure in the base 21 can be exposed, the maintenance and the repair are convenient, and the service life of the device is prolonged.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a be used for numerically controlled fraise machine elevating system, includes operation panel (1), its characterized in that, operation panel (1) bottom is equipped with moving mechanism (2), moving mechanism (2) include base (21) and two locating frame (22), base (21) inside has the cavity, base (21) lateral wall fixedly connected with motor (3), motor (3) and external power source electric connection, motor (3) output runs through base (21) to fixedly connected with worm (31), worm (31) rotate in base (21), base (21) top fixedly connected with installation stand (4), two locating frame (22) are located respectively the both sides of installation stand (4), two locating frame (22) top fixedly connected with connecting plate (23) respectively, connecting plate (23) are fixed on installation stand (4), two locating frame (22) inboard all rotates and is connected with lead screw (24), lead screw (24) one end is run through base (21), and rotate and be in base (21), two equal fixedly connected with worm wheel (241) of lead screw (24) outer wall, just worm wheel (241) with worm (31) meshing is connected, locating frame (22) inboard sliding connection has slider (25), slider (25) with lead screw (24) transmission is connected, two equal fixedly connected with backup pad (251) in slider (25) front end, operation panel (1) is fixed backup pad (251) bottom, base (21) rear side articulates there is apron (5).

2. The numerical control milling machine lifting mechanism according to claim 1, wherein the top of the inner side of the positioning frame (22) and the bottom of the inner side of the base (21) are respectively provided with a first rotating groove (221) and a second rotating groove (211), and two ends of the screw rod (24) are respectively rotated in the first rotating groove (221) and the second rotating groove (211).

3. The numerical control milling machine lifting mechanism is characterized in that a sliding groove (401) is formed in the front end of the mounting upright post (4), and a reinforcing plate (26) is connected in the sliding groove (401) in a sliding mode.

4. The lifting mechanism for the numerically controlled milling machine according to claim 3, wherein rib plates (27) are fixedly connected to two sides of the reinforcing plate (26), and the other ends of the two rib plates (27) are respectively fixed to the supporting plate (251).

5. A lifting mechanism for a numerically controlled milling machine according to claim 4, characterized in that the length of the reinforcing plate (26) is the same as the length of the support plate (251).

6. A lifting mechanism for a numerically controlled milling machine according to claim 3, characterized in that the length of the chute (401) coincides with the length of the lead screw (24).

7. The numerically controlled milling machine lifting mechanism according to claim 1, wherein a clamping groove (501) is formed in the top of the cover plate (5), a clamping pin (51) is arranged on the top of the base (21), and the clamping pin (51) is inserted into the clamping groove (501).