CN215747728U

CN215747728U - Vertical column bearing structure for shaft of vertical high-speed machining center

Info

Publication number: CN215747728U
Application number: CN202121899379.6U
Authority: CN
Inventors: 李红装
Original assignee: Kunshan Qiaodi Precision Machinery Co ltd
Current assignee: Kunshan Qiaodi Precision Machinery Co ltd
Priority date: 2021-08-14
Filing date: 2021-08-14
Publication date: 2022-02-08
Anticipated expiration: 2031-08-14

Abstract

The utility model relates to the technical field of parts of a machining center, in particular to a bearing structure of an upright post for a shaft of a vertical high-speed machining center, which comprises a base and an upright post, wherein the top end of the base is fixedly connected with a supporting seat, the front side of the upright post is fixedly provided with a slide rail mounting seat, two sides of the upright post are fixedly connected with slide bars, one side of the supporting seat, which is close to the upright post, is provided with a slide groove, the slide groove is in sliding connection with the slide bar, the bottom end of the upright post is provided with a screw hole, and the top end of the base is provided with a screw rod. The longitudinal position adjustment work of the main shaft is greatly simplified.

Description

Vertical column bearing structure for shaft of vertical high-speed machining center

Technical Field

The utility model relates to the technical field of parts of machining centers, in particular to a bearing structure of an upright post for a shaft of a vertical high-speed machining center.

Background

The numerical control machine tool is an automatic processing device developed on the basis of a common milling machine, and is divided into two major categories, namely a tool magazine-free numerical control machine tool and a tool magazine-equipped numerical control machine tool, wherein the tool magazine-equipped numerical control machine tool is also called a processing center. The upright column of the machine tool is mainly used for supporting the main shaft and supporting the Z-direction movement of the main shaft, and is used for connecting a machine tool body, the main shaft and a tool magazine of the machine tool.

In the prior art, the stand is generally fixedly mounted on the lathe bed, and the bottom of the stand is provided with the reinforcing rib plate, so that the bearing strength of the stand is improved, and the operation stability of the main shaft is guaranteed.

In order to solve the problems, the application provides a vertical column bearing structure for a shaft of a vertical high-speed machining center.

SUMMERY OF THE UTILITY MODEL

Objects of the first and second utility models

In order to solve the technical problems in the background art, the utility model provides an upright post bearing structure for a shaft of a vertical high-speed machining center, which has the characteristics of adjusting the height of an upright post and changing the longitudinal installation height of a main shaft.

Second, technical scheme

In order to solve the technical problem, the utility model provides an axial stand column force bearing structure of a vertical high-speed machining center, which comprises a base and a stand column, wherein two support seats are fixedly connected to the top end of the base and symmetrically distributed by taking the central axis of the base as a symmetry axis;

the base top is equipped with the screw rod, screw rod and screw threaded connection, the screw rod bottom extends into inside the base, the screw rod is located the inside first gear of one end fixedly connected with of base, base one side is equipped with the pivot, pivot one end extends into inside the base, the pivot is located the inside one end fixedly connected with second gear of base, second gear and first gear meshing.

Preferably, the screw rod bottom is rotated with the base through the bearing and is connected, the pivot is rotated with the base through the bearing and is connected, pivot one end extends to the base outside, the pivot is located the one end fixedly connected with hand wheel in the base outside.

Preferably, the bottom end of the base is fixedly connected with two mounting seats, the two mounting seats are symmetrically distributed at the bottom end of the base, the top end of each mounting seat is fixedly connected with a reinforcing rib plate, and one side of the top end of each mounting seat is provided with a fastening bolt.

Preferably, a reinforcing plate is arranged between the two installation seats, and two ends of the reinforcing plate are fixedly connected with the installation seats.

Preferably, an inner groove is formed in the front side of the upright post.

Preferably, the top end of the supporting seat is fixedly connected with a tool magazine mounting seat.

Preferably, the front side of the base is fixedly connected with a butt column.

The technical scheme of the utility model has the following beneficial technical effects:

1. according to the utility model, the upright column is arranged between the two supporting seats, the height of the upright column can be correspondingly adjusted according to the Z-direction movement height of the main shaft, so that the installation height of the main shaft is changed, the height of the upright column can be adjusted only by rotating the hand wheel, the operation is simple, the upright column is not required to be replaced when the Z-direction height of the machine tool main shaft is adjusted by arranging the height-adjustable upright column, and the longitudinal position adjustment work of the main shaft is greatly simplified.

2. According to the utility model, the installation seat is arranged to provide bottom support for the base, the reinforcing rib plate is used for reinforcing the strength of the bottom support, vibration is not easy to occur, the stability of the support of the upright column is improved, the butt joint column is used for butt joint positioning installation of the base and a machine tool, and the accuracy of base installation is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the overall structure of the base of the present invention;

FIG. 3 is a schematic view of the overall structure of the column of the present invention;

fig. 4 is a front sectional view of the present invention.

Reference numerals: 1. a base; 2. a supporting seat; 201. a chute; 3. a column; 301. a screw hole; 302. an inner groove; 4. a slide rail mounting seat; 5. a slide bar; 6. a screw; 601. a first gear; 7. a rotating shaft; 701. a second gear; 702. a hand wheel; 8. a mounting seat; 801. reinforcing rib plates; 802. fastening a bolt; 9. a reinforcing plate; 10. a tool magazine mounting base; 11. and (4) butting the columns.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-4, the axial column force-bearing structure for a vertical high-speed machining center provided by the utility model comprises a base 1 and a column 3, wherein the top end of the base 1 is fixedly connected with two supporting seats 2, the two supporting seats 2 are symmetrically distributed by taking the central axis of the base 1 as a symmetry axis, the column 3 is arranged between the two supporting seats 2, a slide rail mounting seat 4 is fixedly arranged on the front side of the column 3, both sides of the column 3 are fixedly connected with slide bars 5, one side of each supporting seat 2 close to the column 3 is provided with a slide groove 201, the slide groove 201 is slidably connected with the slide bar 5, and the bottom end of the column 3 is provided with a screw hole 301;

the top of the base 1 is provided with a screw rod 6, the screw rod 6 is in threaded connection with the screw hole 301, the bottom end of the screw rod 6 extends into the base 1, the screw rod 6 is located at the first gear 601 of the one end of the base 1, one side of the base 1 is provided with a rotating shaft 7, one end of the rotating shaft 7 extends into the base 1, the rotating shaft 7 is located at the second gear 701 of the one end of the base 1, and the second gear 701 is meshed with the first gear 601.

It should be noted that the bottom end of the screw rod 6 is rotationally connected with the base 1 through a bearing, the rotating shaft 7 is rotationally connected with the base 1 through a bearing, one end of the rotating shaft 7 extends to the outer side of the base 1, one end of the rotating shaft 7, which is located on the outer side of the base 1, is fixedly connected with a hand wheel 702, both the screw rod 6 and the rotating shaft 7 can rotate on the base 1, and the rotating shaft 7 can be driven to rotate by operating the hand wheel 702 to rotate.

As shown in fig. 1, base 1 bottom fixedly connected with mount pad 8, mount pad 8 sets up two, mount pad 8 is the symmetric distribution in the bottom of

base

1, 8 top fixedly connected with deep floor 801 of mount pad, 8 top one side of mount pad are equipped with fastening bolt 802, fastening bolt 802 can install mount pad 8 at the lathe bed, mount pad 8 is used for providing the bottom sprag effect to base 1, deep floor 801 deep floor supports intensity, difficult emergence vibration, the stability of improvement to the stand supports.

It should be noted that a reinforcing plate 9 is arranged between the two mounting seats 8, two ends of the reinforcing plate 9 are both fixedly connected with the mounting seats 8, and the reinforcing plate 9 is used for reinforcing the connection strength between the two mounting seats 8 and improving the supporting stability of the mounting seats 8.

As shown in fig. 1 and 2, an inner groove 302 is formed in the front side of the column 3, the inner groove 302 is used for a weight of the spindle, a tool magazine mounting seat 10 is fixedly connected to the top end of the supporting seat 2, the tool magazine mounting seat 10 is used for butting against a tool magazine component of a machine tool, a butting column 11 is fixedly connected to the front side of the base 1, the butting column 11 is used for butting against the base 1 and the machine tool for positioning and mounting, and accuracy of mounting of the base 1 is improved.

The working principle of the utility model is as follows: the slide rail of the machine tool spindle is arranged on a slide rail mounting seat 4, the upright post 3 is used for providing a supporting effect for the spindle, the Z-direction motion of the spindle is met, and the Z-direction motion stability of the spindle is ensured, the upright post 3 is arranged between the two supporting seats 2, when the spindle is mounted, the height of the upright post 3 can be correspondingly adjusted according to the Z-direction motion height of the spindle, so that the mounting height of the spindle is changed, when the height of the upright post 3 is adjusted, only the hand wheel 702 needs to be rotated, the hand wheel 702 drives the rotating shaft 7 to rotate, the rotating shaft 7 drives the second gear 701 to rotate, the second gear 701 drives the first gear 601 to rotate, the first gear 601 drives the screw 6 to rotate, the screw 6 rotates inside the screw hole 301, so as to adjust the height of the upright post 3, the thread on the screw 6 is a trapezoidal thread, so that the bearing capacity is high, the slide bars 5 are arranged on two sides of the upright post 3, when the upright post 3 longitudinally moves, the upright post 3 drives the slide bars 5 to slide inside the sliding groove 201, therefore, the upright post 3 can be kept stable in moving, vibration is reduced, the height-adjustable upright post 3 is arranged, the upright post does not need to be replaced in the Z-direction height adjustment of the machine tool spindle, and the longitudinal position adjustment work of the spindle is greatly simplified.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the utility model and are not to be construed as limiting the utility model. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. The vertical column force bearing structure for the shaft of the vertical high-speed machining center comprises a base (1) and a vertical column (3), and is characterized in that the top end of the base (1) is fixedly connected with two supporting seats (2), the two supporting seats (2) are symmetrically distributed by taking the central axis of the base (1) as a symmetry axis, the vertical column (3) is arranged between the two supporting seats (2), a slide rail mounting seat (4) is fixedly arranged on the front side of the vertical column (3), slide bars (5) are fixedly connected to the two sides of the vertical column (3), a slide groove (201) is formed in one side, close to the vertical column (3), of each supporting seat (2), the slide groove (201) is in sliding connection with the slide bar (5), and a screw hole (301) is formed in the bottom end of the vertical column (3);

base (1) top is equipped with screw rod (6), screw rod (6) and screw (301) threaded connection, screw rod (6) bottom is extended into inside base (1), screw rod (6) are located the inside first gear of one end fixedly connected with (601) of base (1), base (1) one side is equipped with pivot (7), pivot (7) one end is extended into inside base (1), pivot (7) are located the inside one end fixedly connected with second gear (701) of base (1), second gear (701) and first gear (601) meshing.

2. The vertical column bearing structure for the shaft of the vertical high-speed machining center according to claim 1, wherein the bottom end of the screw (6) is rotatably connected with the base (1) through a bearing, the rotating shaft (7) is rotatably connected with the base (1) through a bearing, one end of the rotating shaft (7) extends to the outer side of the base (1), and one end of the rotating shaft (7) located at the outer side of the base (1) is fixedly connected with a hand wheel (702).

3. The vertical column bearing structure for the shaft of the vertical high-speed machining center according to claim 1, wherein two installation bases (8) are fixedly connected to the bottom end of the base (1), the installation bases (8) are symmetrically distributed at the bottom end of the base (1), a reinforcing rib plate (801) is fixedly connected to the top end of each installation base (8), and a fastening bolt (802) is arranged on one side of the top end of each installation base (8).

4. The upright post force-bearing structure for the shaft of the vertical high-speed machining center according to claim 3, wherein a reinforcing plate (9) is arranged between the two installation seats (8), and both ends of the reinforcing plate (9) are fixedly connected with the installation seats (8).

5. The vertical column force-bearing structure for the shaft of the vertical high-speed machining center according to claim 1, wherein an inner groove (302) is formed in the front side of the vertical column (3).

6. The upright post bearing structure for the shaft of the vertical high-speed machining center according to claim 1, wherein the top end of the supporting seat (2) is fixedly connected with a tool magazine mounting seat (10).

7. The upright post bearing structure for the shaft of the vertical high-speed machining center according to claim 1, wherein the front side of the base (1) is fixedly connected with a butt column (11).