CN218695955U

CN218695955U - Upright post structure for machining center

Info

Publication number: CN218695955U
Application number: CN202222159577.XU
Authority: CN
Inventors: 陈永刚; 胡康; 庄家豪
Original assignee: Yingde Precision Machinery Nanjing Co ltd
Current assignee: Yingde Precision Machinery Nanjing Co ltd
Priority date: 2022-08-17
Filing date: 2022-08-17
Publication date: 2023-03-24
Anticipated expiration: 2032-08-17

Abstract

The utility model relates to a stand structure for machining center, including stand base and stand body, stand base below is equipped with the stand footing, a plurality of lower margin mounting grooves have been seted up on the stand footing, the inside bottom of lower margin mounting groove is equipped with the mounting screw hole, this internal center department of stand is equipped with hollow groove, hollow groove below is equipped with the left and right sides face fixed connection of baffle with the stand body, all be equipped with the gusset in the horizontal and vertical direction of hollow inslot wall, the gusset is the axis symmetry setting based on stand body center, gusset bottom and baffle fixed connection, the upper surface of baffle is equipped with the weight, the both sides of weight respectively are equipped with a draw-in groove and correspond with the gusset on same horizontal plane and are connected, the both sides face of stand body is equipped with the mounting panel, the mounting panel passes through the one end fixed connection of screw and connecting plate, the other end of connecting plate is equipped with the lower margin fixed block, the lower margin fixed block passes through screw and ground fixed connection. The utility model discloses a structure static strength is high, and anti-seismic performance and stability are good.

Description

Upright post structure for machining center

Technical Field

The utility model relates to a digit control machine tool field especially relates to a stand structure for machining center.

Background

With the development of industry, the requirements on numerical control machine tools are higher and higher. In designing a machine tool, it is necessary to perform rigorous analysis and calculation of its constituent components. The weight of the support, such as the lathe bed, is 20% to 30% of the total weight of the lathe, and therefore, a high requirement is imposed on the stiffness per unit weight of the support. Under the condition of light weight, the supporting member is required to have enough static rigidity, so the requirements on the distribution of the supporting member material, the wall thickness of the supporting member and the reasonability of the hole opening position are provided, at present, the world advanced manufacturing technology is continuously raised, the technologies such as ultra-high speed cutting, ultra-precision machining technology and the like are widely applied, the rapid development of a flexible manufacturing system and the continuous maturity of a computer integrated system provide higher requirements on the machine tool machining technology. The research of machine tools is developing towards high speed, high precision, multiple functions, intellectualization, numerical control programming automation and the like. The design aims to ensure that the rigidity of the column is not influenced under the condition of lighter weight and higher machining precision, and the existing column is optimized in the design so as to achieve the expected aim.

The stability that current digit control machine tool stand often realized the stand with increaseing weight, leads to overall structure overweight, and the processing that whole lathe can be influenced to weight is too big to digit control machine tool stand main stress surface lies in being equipped with the slide rail one side, and slide rail structure is too simple, and the load capacity is poor, and the bearing capacity is little, thereby causes the stability can be poor, and the precision that finally probably leads to processing receives the influence, has reduced digit control machine tool stand's life. The reinforcing ribs are unreasonable arranged in the column body, so that the effect of increasing the torsional rigidity of the upright column cannot be achieved, the compression resistance and shock absorption effects cannot be achieved, or the vibration of the structure is reduced by filling damping materials in the structure; this design introduces a lot of extra mass, which is not reasonable, and the excessive weight affects the manufacturing cost, transportation cost, installation conditions and practical processing problems.

SUMMERY OF THE UTILITY MODEL

(1) Technical problem to be solved

Not enough to prior art, the utility model aims to provide a stand structure for machining center, this utility model aims at solving under the prior art shaft poor stability, resistance to compression shock attenuation effect poor, make the technical problem that cost of transportation is high, the installation condition is complicated, actual machining precision is poor.

(2) Technical scheme

In order to solve the technical problem, the utility model provides a stand structure for machining center, including stand base and stand body, the top of stand base and the bottom fixed connection of stand body, stand base below is equipped with the stand footing, a plurality of lower margin mounting grooves have been seted up on the stand footing, the inside bottom of lower margin mounting groove is equipped with the mounting screw hole, center department is equipped with hollow groove in the stand body, the hollow groove below is equipped with the left and right sides face fixed connection of baffle and stand body, all be equipped with the gusset on the horizontal and vertical direction of hollow inslot wall, the gusset sets up for the axis symmetry based on stand body center, gusset bottom and baffle fixed connection, the upper surface of baffle is equipped with the weight, the both sides of weight respectively are equipped with a draw-in groove and correspond with the gusset on same horizontal plane and are connected, the both sides face of stand body is equipped with the mounting panel, the mounting panel passes through the one end fixed connection of screw and connecting plate, the other end of connecting plate is equipped with the lower margin fixed block, the lower margin fixed block passes through screw and ground fixed connection.

The upper surface of the stand column base is welded with a first reinforcing rib at the joint of the side surface of the stand column base, and second reinforcing ribs are welded at the joint of the four circumferential surfaces of the stand column base and the upper surface of the stand column bottom foot.

The first reinforcing rib and the second reinforcing rib are triangular in shape.

A plurality of structure holes are formed in the rib plates at equal intervals and are evenly distributed, and a plurality of through holes are formed in the two sides and the back side of the stand column body at equal intervals.

The front surface of the stand column body is symmetrically provided with slide rails along the central axis, the slide rails are provided with a plurality of counter bores, and fixing bolts are arranged inside the counter bores.

The upper end of the front face of the stand column body and the upper portion of the partition plate are respectively provided with a Y-axis lead screw base, and a Y-axis lead screw is arranged between the Y-axis lead screw bases along the vertical direction.

The connecting plate forms an included angle of 45-60 degrees with the ground.

The connecting plate is rectangular.

(3) Advantageous effects

Compared with the prior art, the beneficial effects of the utility model reside in that: the design that the connecting plate is fixedly connected with the column body and forms an included angle of 45-60 degrees with the ground is adopted, the principle of a force transmission path is more met, and the rib plate and the heavy hammer matched with the rib plate are arranged in the hollow groove in the column body, so that the overall rigidity of the structure can be greatly improved under the condition that the structural mass is not greatly increased, the installation process is simplified, the manufacturing and transportation cost is reduced, the vibration resistance of the structure is ensured, and the precision of a processed workpiece is improved; through the upper surface of stand base and with stand base side junction welding first strengthening rib to and through stand base global and with stand footing upper surface's junction welding second strengthening rib, improve the stability of structure more. The machine tool stand column has the advantages of high static strength, good anti-seismic performance and stability, reduced whole weight of the stand column and capability of effectively reducing vibration of a machine tool during machining of workpieces.

Drawings

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments;

FIG. 1 is a perspective view of an overall structure of a column of a machining center;

FIG. 2 is a perspective view of the weight;

fig. 3 is a schematic cross-sectional view of the gusset of fig. 1.

The labels in the figures are: the vertical column comprises a vertical column base 1, a first reinforcing rib 11, a second reinforcing rib 12, a vertical column body 2, a through hole 21, a sliding rail 22, a counter bore 23, a vertical column footing 3, a foundation installation groove 31, a threaded hole 32, a hollow groove 4, a partition plate 5, a Y-axis screw rod base 51, a Y-axis screw rod 52, a rib plate 6, a structure hole 61, a heavy hammer 7, a clamping groove 71, an installation plate 8, a connecting plate 9 and a foundation fixing block 91.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-3, the utility model provides a stand structure for machining center, including stand base 1 and stand body 2, the top of stand base 1 and the bottom fixed connection of stand body 2, stand base 1 below is equipped with stand footing 3, a plurality of lower margin mounting grooves 31 have been seted up on the stand footing 3, the inside bottom of lower margin mounting groove 31 is equipped with mounting screw hole 32, stand body inner center department is equipped with hollow groove 4, hollow groove 4 below is equipped with baffle 5 and stand body 2's left and right sides face fixed connection, all be equipped with gusset 6 in the horizontal vertical direction of hollow groove 4 inner wall, gusset 6 sets up for the axis symmetry based on stand body 2 center, gusset 6 bottom and baffle 5 fixed connection, the upper surface of baffle is equipped with weight 7, the both sides of weight respectively are equipped with a draw-in groove 71 and correspond with gusset 6 on same horizontal plane and are connected, the both sides face of stand body 2 is equipped with mounting panel 8, mounting panel 8 passes through the one end fixed connection of screw with connecting plate 9, the other end of connecting plate 9 is equipped with lower margin fixed block 91, lower margin fixed block 91 passes through screw and ground fixed connection.

Furthermore, the upper surface of the column base 1 and the joint with the side of the column base 1 are welded with first reinforcing ribs 11, and the joint of the four circumferential surfaces of the column base 1 and the upper surface of the column foot 3 is welded with second reinforcing ribs 12.

Further, the first reinforcing bead 11 and the second reinforcing bead 12 are triangular in shape.

Further, a plurality of structure holes 61 are formed in the rib plate 6 at equal intervals, the structure holes 61 are uniformly distributed, and a plurality of through holes 21 are formed in the two sides and the back side of the upright post body 2 at equal intervals.

Further, the front surface of the upright post body 2 is symmetrically provided with slide rails 22 along the central axis, the slide rails 22 are provided with a plurality of counter bores 23, and fixing bolts are arranged inside the counter bores 23.

Further, the upper end of the front face of the upright post body 2 and the upper side of the partition plate 5 are respectively provided with a Y-axis lead screw base 51, and a Y-axis lead screw 52 is arranged between the Z-axis lead screw bases 51 along the vertical direction.

Further, the connecting plate 9 forms an included angle of 45-60 degrees with the ground.

Further, the connecting plate 9 is rectangular.

The utility model discloses a theory of operation:

the utility model discloses an at first, install stand footing 3 on the ground, stand footing 3, stand base 1 and stand body 2 three form integrative structure, stand body 2 adopts the hollow mode, be used for alleviateing its self quality, a baffle 5 is installed to hollow groove 4 below, then between baffle 5 to stand body 2 surface, a gusset 6 is set up for the axis homosymmetry in the horizontal and vertical direction of stand body 2 inner wall and based on stand body 2 center, hollow portion has still designed the weight 7 of installing with gusset 6 matching, weight 7 will be put on the surface of hollow portion's baffle 6, this design can be under the condition of not increasing the structural mass by a large amount the great whole rigidity of promotion structure, the installation is simplified, manufacturing and transportation cost is reduced; the projected part of the front surface of the upright post body 2 is used for mounting a slide rail 22 of a y-axis, finally, connecting plates 9 are mounted on two sides of the upright post body 2, one end of each connecting plate 9 is fixedly connected with a mounting plate 8 of the upright post body 2, the other end of each connecting plate 9 is fixedly connected with the ground through a ground anchor fixing block 91, the design that the connecting plates 9 are fixedly connected with the upright post body 2 and the connecting plates 9 form an included angle of 45-60 degrees with the ground is adopted, the principle of a force transmission path is better met, the anti-vibration performance of the structure is ensured, and the precision of a processed workpiece is improved; the upper surface of stand base 1 and with the first strengthening rib of stand base 1 side junction welding, stand base 1 global and with the junction welding second strengthening rib of 3 upper surfaces of stand footing, improve the stability of structure more. The utility model discloses a quiet intensity of structure is high, and anti-seismic performance is good with stability, and the whole weight of stand reduces, and vibrations when effectively reducing the lathe work piece.

Furthermore, a plurality of structural holes 61 are formed in the rib plate 6 at equal intervals, the structural holes 61 are uniformly distributed, and the weight of the whole casting is mainly reduced, so that the positions except the reinforcing ribs are subjected to weight reduction again, the weight of the casting can be reduced without affecting the strength, and the balance and the rigidity are maintained.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a stand structure for machining center, includes stand base (1) and stand body (2), the bottom fixed connection of the top of stand base (1) and stand body (2), its characterized in that: the utility model discloses a vertical column base (1) below is equipped with stand footing (3), a plurality of lower margin mounting grooves (31) have been seted up on stand footing (3), the inside bottom in lower margin mounting groove (31) is equipped with installation screw hole (32), stand body (2) center department is equipped with hollow groove (4), hollow groove (4) below is equipped with baffle (5) and stand body (2) the left and right sides face fixed connection, all be equipped with gusset (6) in the perverse direction of hollow groove (4) inner wall, gusset (6) are the axis symmetry setting based on stand body (2) center, gusset (6) bottom and baffle (5) fixed connection, the upper surface of baffle (5) is equipped with weight (7), the both sides of weight (7) respectively are equipped with a draw-in groove (71) and correspond with gusset (6) on same horizontal plane and are connected, stand body (2) are equipped with both sides face (8), the mounting panel passes through the one end fixed connection of screw with connecting plate (9), the other end of connecting plate (9) is equipped with fixed block (91), lower margin fixed block (91) passes through ground fixed connection.

2. The column structure for the machining center according to claim 1, characterized in that a first reinforcing rib (11) is welded on the upper surface of the column base (1) at the connection part with the side surface of the column base (1), and a second reinforcing rib (12) is welded on the four peripheral surfaces of the column base (1) at the connection part with the upper surface of the column foot (3).

3. The column structure for machining centers as claimed in claim 2, characterized in that said first reinforcing bar (11) and said second reinforcing bar (12) are triangular in shape.

4. The upright post structure for the machining center according to claim 1, wherein a plurality of structure holes (61) are formed in the rib plate (6) at equal intervals, the structure holes (61) are uniformly distributed, and a plurality of through holes (21) are formed in the two sides and the back side of the upright post body (2) at equal intervals.

5. The upright post structure for the machining center according to claim 4, wherein the front surface of the upright post body (2) is symmetrically provided with slide rails (22) along a central axis, the slide rails are provided with a plurality of counter bores (23), and fixing bolts are arranged inside the counter bores (23).

6. The column structure for the machining center according to claim 5, wherein Y-axis lead screw bases (51) are arranged at the upper end of the front face of the column body (2) and above the partition plate (5), and Y-axis lead screws (52) are arranged between the Y-axis lead screw bases (51) in the vertical direction.

7. Column structure for machining centers, according to claim 1, characterized in that the connection plate (9) forms an angle of 45-60 ° with the ground.

8. Column structure for machining centers, according to claim 7, characterized in that the connection plate (9) is rectangular.