CN212121838U

CN212121838U - Sliding mechanism of gantry milling machine

Info

Publication number: CN212121838U
Application number: CN202020417058.7U
Authority: CN
Inventors: 王海龙; 伍志健
Original assignee: Jiangsu Guiyu Aviation Industry Co ltd
Current assignee: Jiangsu Guiyu Aviation Industry Co ltd
Priority date: 2020-03-27
Filing date: 2020-03-27
Publication date: 2020-12-11
Anticipated expiration: 2030-03-27

Abstract

The utility model discloses a sliding mechanism of a planer type milling machine, which comprises a bilateral rack column, wherein the front side and the rear side of the bilateral rack column are both provided with a frame, a walking gear is arranged in the frame through a rotating shaft and is meshed with the bilateral rack column, an upper bracket is arranged above the bilateral rack column, the front side and the rear side of the inner part of the upper bracket are both provided with movable support plates, a wind-up roll is arranged between the two support plates, a steel wire rope is fixed between the upper surface of the frame and the wind-up roll, and a side plate is arranged between the two support plates, and further, the bending phenomenon of the cylinder caused by overlarge stress on the rack columns on the two sides can be avoided.

Description

Sliding mechanism of gantry milling machine

Technical Field

The utility model relates to a milling machine technical field specifically is a slide mechanism of gantry milling machine.

Background

A milling machine with a portal frame and a horizontal long bed. The planer type milling machine can simultaneously machine the surface by a plurality of milling cutters, has higher machining precision and production efficiency, and is suitable for machining planes and inclined planes of large-scale workpieces in batch and mass production. The numerical control planer type milling machine can also process a space curved surface and some special parts;

the sliding mechanism of the planer type milling machine generally adopts a screw rod structure, but the screw rod structure has poor bearing capacity, and can deform after being used for a long time, so that the machining precision of the planer type milling machine is changed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gantry milling machine's slide mechanism to the slide mechanism who solves gantry milling machine among the prior art generally adopts lead screw structure, but lead screw structure's bearing capacity is relatively poor, and long-time the use can produce the deformation, leads to the problem that its machining precision changes.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a slide mechanism of gantry milling machine, includes both sides rack post, the side all is provided with the frame around both sides rack post, the walking gear is installed through the pivot in the inside of frame, and walking gear and the meshing of two side rack posts, the top of both sides rack post is provided with the upper bracket, the side all is provided with mobilizable extension board, two around the inside of upper bracket install the wind-up roll between the extension board, be fixed with wire rope, two between the upper surface of frame and the wind-up roll install the curb plate between the side of extension board, L type support is installed in the outside of curb plate, the inside of stand is inserted to the lower extreme of L type support, be connected with the spring between L type support and the stand.

Preferably, track grooves are formed in the upper side and the lower side of the front side and the rear side of the upper support, rollers are mounted on the upper surface and the lower surface of the support plate, and the rollers are inserted into the track grooves.

Preferably, a second motor for driving the winding roller to rotate is mounted behind the support plate.

Preferably, a first motor is installed on one side of the upper surface of the frame, and a power output end of the first motor is fixed to the upper end of one of the rotating shafts.

Preferably, the lower ends of the two rotating shafts penetrate through the lower surface of the frame, the lower ends of the rotating shafts are provided with transmission gears, and the two transmission gears are meshed.

Preferably, guide grooves are formed in the middle of the upper surface and the lower surface of each double-side rack column, guide blocks are arranged between the upper surface and the lower surface of each frame, and the guide blocks are inserted into the guide grooves.

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

1. the utility model uses the rack and the walking gear as the sliding mechanism, thereby avoiding the problem that the screw rod is easy to deform and the problem of influencing the processing precision;

2. the utility model discloses set up the wind-up roll, the wind-up roll can be with the wire rope rolling, and the gravity that the below bore when walking gear walking can be conducted to the wind-up roll by wire rope on, and then on reacing the extension board, presses on the upper bracket at last, further, can avoid the cylinder bending phenomenon that two side rack post atress too big leads to.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is a schematic connection diagram of the rack post on both sides of the present invention;

FIG. 3 is an installation diagram of the wind-up roll of the present invention;

fig. 4 is an exploded view of this fig. 3.

In the figure: 1. a double-sided rack column; 2. a frame; 3. a transmission gear; 4. a traveling gear; 5. a rotating shaft; 6. a spring; 7. a column; 8. an L-shaped bracket; 9. a support plate; 10. a wind-up roll; 11. a roller; 12. a track groove; 13. a side plate; 14. a wire rope; 15. a guide groove; 16. a guide block; 17. a first motor; 18. and (4) an upper bracket.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 and 2, in an embodiment of the present invention, a sliding mechanism of a gantry milling machine includes two side rack columns 1, frames 2 are disposed on front and rear sides of the two side rack columns 1, a traveling gear 4 is mounted inside the frame 2 through a rotating shaft 5, a first motor 17 is mounted on one side of the traveling gear 4, which is engaged with the two side rack columns 1, on an upper surface of the frame 2, a power output end of the first motor 17 is fixed to an upper end of one of the rotating shafts 5, lower ends of the two rotating shafts 5 pass through a lower surface of the frame 2, a transmission gear 3 is mounted on a lower end of the rotating shaft 5, the two transmission gears 3 are engaged, the first motor 17 can drive the rotating shaft 5 to rotate, the rotating shaft 5 can drive one of the traveling gears 4 to rotate, the traveling gear 4 rotates due to a rack action of the two side rack columns 1, and when one of the rotating shafts 5 rotates, the two transmission gears 3 can also rotate, so that the two rotating shafts 5 can both rotate, and the purpose of simultaneously walking the two walking gears 4 is achieved;

as shown in fig. 2, guide grooves 15 are formed in the middle of the upper and lower surfaces of the rack columns 1 on both sides, a guide block 16 is arranged between the upper and lower surfaces of the two frames 2, and the guide block 16 is inserted into the guide grooves 15, so that when the walking gear 4 walks, the frames 2 also walk, and when the frames 2 walk, the guide block 16 can move in the guide grooves 15;

referring to fig. 1, 3 and 4, an upper bracket 18 is arranged above the double-side rack column 1, movable support plates 9 are arranged on the front side and the rear side of the interior of the upper bracket 18, the support plates 9 play a role of supporting a winding roller 10, the winding roller 10 is arranged between the two support plates 9 and is used for winding a steel wire rope 14, a second motor for driving the winding roller 10 to rotate is arranged behind the support plates 9, the second motor can drive the winding roller 10 to rotate when rotating, a steel wire rope 14 is fixed between the upper surface of the frame 2 and the winding roller 10, a side plate 13 is arranged between the side surfaces of the two support plates 9, the side plate 13 is used for mounting an L-shaped bracket 8, an L-shaped bracket 8 is arranged on the outer side of the side plate 13, the lower end of the L-shaped bracket 8 is inserted into the interior of the upright post 7, a spring 6 is connected between the L-shaped bracket 8 and the upright post 7, and can, the spring 6 can compensate the coiling amount of the steel wire rope 14 by the coiling roller 10;

referring to fig. 1 and 3, track grooves 12 are formed in the front side, the rear side and the upper side of the upper support 18, rollers 11 are mounted on the upper surface and the lower surface of the support plate 9, the rollers 11 are inserted into the track grooves 12, the vertical column 7 can drive the L-shaped support 8 to move horizontally during horizontal movement, the support plate 9 can move due to the water in the L-shaped support 8 at the moment, rolling friction can occur between the rollers 11 and the track grooves 12, abrasion of the support plate 9 is reduced, and the support plate 9 can move smoothly.

The utility model discloses a theory of operation and use flow: when the device is used, the first motor 17 can drive the rotating shafts 5 to rotate, the rotating shafts 5 can drive one of the traveling gears 4 to rotate, the traveling gears 4 can self-travel due to the rack action of the rack columns 1 on the two sides at the moment of rotating, and when one of the rotating shafts 5 rotates, the two transmission gears 3 also rotate, so that the two rotating shafts 5 can both rotate to achieve the purpose of simultaneously traveling the two traveling gears 4, when the traveling gears 4 travel, the frame 2 also travels, and when the frame 2 travels, the guide block 16 can move in the guide groove 15 again, so that the traveling gears 4 are prevented from deviating during traveling;

frame 2 is the atress part, and then frame 2 can have a decurrent pressure to two side rack post 1, the second motor can drive wind-up roll 10 when rotating this moment, wind-up roll 10 rotates and can carry out the rolling to wire rope 14, wire rope 14 can upwards mention frame 2 slightly during the rolling, the atress of frame 2 reduces this moment, and then the atress of two side rack post 1 can reduce, spring 6 can compensate the wind-up volume of wind-up roll 10 to wire rope 14, when frame 2 walks, can drive L type support 8 horizontal migration during stand 7 horizontal migration, L type support 8 can make extension board 9 take place to remove, gyro wheel 11 here can take place rolling friction with track groove 12, reduce the wearing and tearing of extension board 9, also make the operation of extension board 9 comparatively smooth and easy.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a slide mechanism of longmen milling machine, includes both sides rack column (1), its characterized in that: the front side and the rear side of the bilateral rack column (1) are both provided with a frame (2), a walking gear (4) is arranged in the frame (2) through a rotating shaft (5), the walking gear (4) is meshed with the bilateral rack column (1), an upper bracket (18) is arranged above the bilateral rack column (1), movable support plates (9) are arranged on the front side and the rear side of the interior of the upper bracket (18), a winding roller (10) is arranged between the two support plates (9), a steel wire rope (14) is fixed between the upper surface of the frame (2) and the winding roller (10), a side plate (13) is arranged between the side surfaces of the two support plates (9), an L-shaped bracket (8) is arranged on the outer side of the side plate (13), the lower end of the L-shaped bracket (8) is inserted into the upright post (7), and a spring (6) is connected between the L-shaped bracket (8) and the upright post (7).

2. The sliding mechanism of a gantry milling machine according to claim 1, characterized in that: track grooves (12) are formed in the upper side and the lower side of the front side and the rear side of the upper support (18), rollers (11) are mounted on the upper surface and the lower surface of the support plate (9), and the rollers (11) are inserted into the track grooves (12).

3. The sliding mechanism of a gantry milling machine according to claim 1, characterized in that: and a second motor for driving the winding roller (10) to rotate is arranged behind the support plate (9).

4. The sliding mechanism of a gantry milling machine according to claim 1, characterized in that: a first motor (17) is installed on one side of the upper surface of the frame (2), and the power output end of the first motor (17) is fixed to the upper end of one of the rotating shafts (5).

5. The sliding mechanism of a gantry milling machine according to claim 1, characterized in that: the lower end of the two rotating shafts (5) penetrates through the lower surface of the frame (2), the lower end of each rotating shaft (5) is provided with a transmission gear (3), and the two transmission gears (3) are meshed.

6. The sliding mechanism of a gantry milling machine according to claim 1, characterized in that: guide grooves (15) are formed in the middle of the upper surface and the lower surface of each double-side rack column (1), guide blocks (16) are arranged between the upper surface and the lower surface of each frame (2), and the guide blocks (16) are inserted into the guide grooves (15).