CN215469517U

CN215469517U - Cylindrical rice-rib arrangement crossbeam

Info

Publication number: CN215469517U
Application number: CN202121677485.XU
Authority: CN
Inventors: 谭勇; 苏辉南
Original assignee: Shanghai Nozoli Machine Tools Technology Co Ltd
Current assignee: Shanghai Nozoli Machine Tools Technology Co Ltd
Priority date: 2021-07-22
Filing date: 2021-07-22
Publication date: 2022-01-11
Anticipated expiration: 2031-07-22

Abstract

The utility model provides a cylindrical rice-gluten distribution beam which comprises a beam main body and a bearing rib plate, wherein the bearing rib plate is arranged below the beam main body; the crossbeam main body comprises a hollow cavity, the side wall of the crossbeam main body is provided with a sand discharge vent hole, and the sand discharge vent hole is communicated with the hollow cavity; the bearing rib plate comprises a vertical rib plate, a transverse rib plate and an inclined rib plate, and the vertical rib plate, the transverse rib plate and the inclined rib plate are mutually crossed to form a cross-shaped arrangement. The cross beam main body with the hollow cavity of the cylindrical structure is matched with the reinforcing ribs in the shape of a Chinese character 'mi', so that the bending and twisting resistance of the cross beam is improved, and the problems of stress, deformation and the like of a machine tool caused by various factors are reduced; through the sand discharge vent hole arranged on the beam main body, the effects of sand discharge and heat dissipation can be achieved, the weight reduction effect is achieved, the natural frequency of the beam is improved, and therefore the hidden danger that the machining precision is affected due to the fact that a machine tool generates resonance in the machining process is reduced.

Description

Cylindrical rice-rib arrangement crossbeam

Technical Field

The utility model relates to the technical field of machine tool structures, in particular to a cylindrical rice-rib arrangement beam.

Background

Along with the development of science and technology, the demand of the domestic society for automobiles is increased day by day, the demand of automobile production is increased gradually, the demand of machining yield of hubs which are main parts in automobiles is also increased continuously, and due to the particularity that the matching size and the surface requirement are high, a machine tool is required to be adopted to perform precise machining on the hubs.

The cross beam is one of the most important parts of the machine tool, the cross beam plays a role in connecting important parts such as a base and a saddle in the machine tool, and the performance of the cross beam directly influences the processing precision and the service life of the machine tool. The main factors for judging the performance of the cross beam are the bending resistance and the torsion resistance of the cross beam. Especially for large span cross beams, the bending resistance and torsion resistance are more important. Especially, when parts on the cross beam move to the middle position of the cross beam, the cross beam is easy to bend and deform, the cross beam is made of different materials, and the bending deformation is different, so that the machining precision is seriously influenced.

The current chinese patent that publication number is CN210588139U, it discloses a crossbeam for planer-type lathe, crossbeam main part surface intermediate position is opened there is the transverse groove, crossbeam main part surface position is provided with the motor fixed slot at transverse groove both ends, crossbeam main part surface position is provided with the screw seat fixed slot at transverse groove intermediate position, crossbeam main part surface upper end and lower extreme all are provided with the guide rail mounting groove, crossbeam main part is kept away from transverse groove one end and is linked to each other with the supporting seat, the supporting seat both sides are provided with the emery wheel and change the arm mounting panel, supporting seat both sides bottom is provided with the bedplate, the supporting seat is provided with a plurality of reinforcing plates with crossbeam main part junction, the utility model discloses it is rational in infrastructure, inside and the inside hollow structure that is of crossbeam main part of supporting seat, inside all strengthening through the skeleton of supporting seat and crossbeam main part, and the supporting seat is provided with a plurality of reinforcing plates with crossbeam main part junction.

The inventors believe that there is room for improvement in the prior art beam structures for poor bending and torsional resistance.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a cylindrical rice-gluten arrangement beam.

The cylindrical rice-gluten distribution beam comprises a beam main body and a bearing rib plate, wherein the bearing rib plate is arranged below the beam main body; the cross beam main body comprises a hollow cavity, the side wall of the cross beam main body is provided with a sand discharge vent hole, and the sand discharge vent hole is communicated with the hollow cavity; the bearing rib plates comprise vertical rib plates, transverse rib plates and inclined rib plates, and the vertical rib plates, the transverse rib plates and the inclined rib plates are crossed with one another to form a cross-shaped arrangement.

Preferably, the sand discharge vent holes are respectively provided with one or more than one on two axial sides, two radial sides and the top of the beam main body.

Preferably, the beam main body comprises a vertical plate, a side plate and a back plate, the two ends of the hollow cavity of the side plate are respectively provided with one side, the back plate is arranged on the back of the beam main body, and the vertical plate is arranged on the front of the beam main body.

Preferably, the backplate includes circular arc portion and planomural portion, the laminating of circular arc portion and hollow cavity's lateral wall, the planomural portion extends towards the one side of keeping away from hollow cavity from the top down.

Preferably, the hollow cavity, the vertical plate, the back plate, the side plate and the bearing rib plate are matched to form a weight reduction cavity.

Preferably, the side plates are provided with narrow reinforcing rib plates.

Preferably, the narrow reinforcing rib plates are arranged on the side plates in a staggered manner in the transverse direction and the vertical direction.

Preferably, the hollow cavity comprises a cylindrical cavity.

Preferably, the central axes of the sand discharge vent holes at the two ends of the hollow cavity coincide with the central axis of the hollow cavity.

Preferably, the connection between the beam body and the support web comprises an integral cast.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, through the matching of the beam main body with the hollow cavity with the cylindrical structure and the reinforcing ribs with the shape of a Chinese character 'mi', the bending and twisting resistance of the beam is improved, so that the problems of stress, deformation and the like of a machine tool caused by various factors are reduced, and the integral processing precision and the service life of the machine tool are improved.

2. The sand-discharging ventilation holes are formed in the two axial sides, the two radial sides and the top of the beam main body, so that the effects of sand discharging and heat dissipation can be achieved, the effect of weight reduction is achieved, the natural frequency of the beam is improved, and the hidden danger that machining precision is affected due to resonance generated in the machining process of a machine tool is reduced.

3. According to the utility model, the hollow cavity, the vertical plate, the back plate, the two sides and the bearing rib plate are matched to form the weight reduction cavity, so that the weight reduction effect on the beam is improved.

Drawings

Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

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

FIG. 2 is a schematic view of the overall cross-sectional structure of a beam embodying the present invention;

fig. 3 is a top view of the overall structure of the bearing rib plate mainly embodied by the utility model.

Reference numerals:

Detailed Description

The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the utility model, but are not intended to limit the utility model in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the utility model. All falling within the scope of the present invention.

As shown in fig. 1, the cylindrical meter-rib arrangement beam provided by the utility model comprises a beam main body 101 and a bearing rib plate 102, wherein the beam main body 101 and the bearing rib plate 102 are integrally formed by casting, and the bearing rib plate 102 is located below the beam main body 101. The beam main body 101 comprises a hollow cavity 103, the hollow cavity 103 is a cylindrical cavity, the side wall of the beam main body 101 is provided with a sand discharge vent hole 104, and the sand discharge vent hole 104 is communicated with the hollow cavity 103.

The circular hollow cavity 103 structure has larger bending and twisting resistance, the bending and twisting deformation of the cross beam of the machine tool in the machining process can be effectively reduced by adopting the mode of combining the cylindrical hollow cavity 103 and the bearing rib plate 102, and the optimal static and dynamic performances are obtained after FEA optimization. And the hollow cavity 103 can enhance the ventilation and heat dissipation capacity in the cross beam to absorb the thermal stress of the machine tool, and effectively prevent the cross beam from generating thermal deformation to influence the processing precision. The cross beam has large cross section size, increases the support span of the machine tool and improves the stability of the cross beam.

The beam main body 101 further comprises a vertical plate 1011, a side plate 1012 and a back plate 1013, and the hollow cavity 103, the side plate 1012 and the back plate 1013 are cast as a whole. The side plates 1012 are integrally formed at both ends of the hollow chamber 103 in the axial direction, and the back plate 1013 is integrally formed at the back of the hollow chamber 103. The back plate 1013 comprises an arc part 1014 and a flat plate part 1015, the arc part 1014 is attached to the upper arc of the outer wall of the hollow cavity 103, the flat plate part 1015 extends from the connection part of the flat plate part 1014 to the side far away from the hollow cavity 103 from the top to the bottom, and the lower end of the flat plate part 1015 extends to the bearing rib plate 102 and is cast with the bearing rib plate as a whole. The vertical plate 1011 is integrally formed on one side of the beam main body 101 away from the back plate 1013, and one side of the vertical plate 1011 close to the outer wall of the hollow cavity 103 is attached to the outer wall of the hollow cavity 103.

Further, the narrow reinforcing rib plates 105 are integrally formed on the two side plates 1012, and the narrow reinforcing rib plates 105 are vertically staggered on the two side plates 1012, so that the strength of the two side plates 1012 is improved. The sand discharge vent holes 104 are respectively arranged on the two side plates 1012, and the axes of the two sand discharge vent holes 104 positioned on the side plates 1012 are collinear with the axis of the hollow cavity 103. Two sets of sand discharge vent holes 104 are respectively arranged on the upper side and the lower side of the flat plate portion 1015 of the back plate 1013, each set of sand discharge vent holes 104 comprises four sand discharge vent holes 104 which are arranged at equal intervals along the axis of the hollow cavity 103, the two sets of sand discharge vent holes 104 are also arranged on the vertical plate 1011, and the sand discharge vent holes 104 on the back plate 1013 and the sand discharge vent holes 104 on the vertical plate 1011 are arranged in a one-to-one correspondence manner. The sand discharge vents 104 are provided at four equal intervals along the axis of the cross beam main body 101 at the top of the cross beam main body 101.

As shown in fig. 1 and 2, the sand discharge passage provided on the front, back, side and top of the beam body 101 can perform sand discharge and heat dissipation functions, thereby achieving the effect of reducing weight. Five hollow cavity 103, vertical board 1011, backplate 1013, two curb plates 1012 and bearing gusset 102 cooperate and form a plurality of and subtract heavy cavity 106, further improved to subtract heavy effect, and improved the crossbeam natural frequency, prevent that the lathe from producing resonance and influencing the hidden danger of machining precision in the course of working.

As shown in fig. 3, the supporting rib plate 102 includes a vertical rib plate 1021, a horizontal rib plate 1022 and an inclined rib plate 1023, and the vertical rib plate 1021, the horizontal rib plate 1022 and the inclined rib plate 1023 are mutually crossed to form a cross-shaped arrangement. In a plan view, the stud plate 1021, the transversal rib plate 1022 and the diagonal rib plate 1023 are formed into two m-shaped structures on the support rib plate 102.

As shown in fig. 1 and 3, the bending and twisting resistance of the cross beam is further enhanced by the combination of the cross-shaped reinforcing ribs arranged below the cross beam main body 101 and the cylindrical hollow cavity 103. And the mode of combining the optimal circular rib and the optimal cross rib is adopted, so that the stress, deformation and the like of the machine tool caused by various factors can be effectively eliminated, the integral machining precision of the machine tool is improved, and the service life of the machine tool is prolonged.

Principle of operation

By means of the beam main body 101 with the hollow cavity 103 with the cylindrical structure and the reinforcing ribs with the shape of a Chinese character 'mi', the bending and twisting resistance of the beam is enhanced, the stress, deformation and the like of a machine tool caused by various factors can be effectively eliminated, the integral processing precision of the machine tool is improved, and the service life of the machine tool is prolonged; the sand-discharging vent holes 104 arranged on the two axial sides, the two radial sides and the top of the beam main body 101 can play roles in discharging sand and dissipating heat, achieve the effect of reducing weight, improve the natural frequency of the beam and prevent the hidden trouble that the machining precision is influenced by the resonance generated by a machine tool in the machining process.

In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.

The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the utility model. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.

Claims

1. The cylindrical rice-rib distribution beam is characterized by comprising a beam main body (101) and bearing rib plates (102), wherein the bearing rib plates (102) are arranged below the beam main body (101);

the beam main body (101) comprises a hollow cavity (103), the side wall of the beam main body (101) is provided with a sand discharge vent hole (104), and the sand discharge vent hole (104) is communicated with the hollow cavity (103);

the bearing rib plate (102) comprises a vertical rib plate (1021), a horizontal rib plate (1022) and a diagonal rib plate (1023), wherein the vertical rib plate (1021), the horizontal rib plate (1022) and the diagonal rib plate (1023) are mutually crossed to form a square arrangement.

2. The cylindrical rice-rib arrangement beam as claimed in claim 1, wherein the sand-discharging vent holes (104) are respectively opened with one or more than one on two axial sides, two radial sides and top of the beam main body (101).

3. The cylindrical rice-rib arrangement beam as claimed in claim 1, wherein the beam body (101) comprises a vertical plate (1011), a side plate (1012) and a back plate (1013), the side plate (1012) is respectively arranged at two ends of the hollow cavity (103), the back plate (1013) is arranged at the back of the beam body (101), and the vertical plate (1011) is arranged at the front of the beam body (101).

4. A cylindrical rice-rib arranging beam according to claim 3, wherein said back plate (1013) comprises an arc portion (1014) and a flat plate portion (1015), said arc portion (1014) is attached to the side wall of the hollow cavity (103), and said flat plate portion (1015) extends from top to bottom to the side far away from the hollow cavity (103).

5. The cylindrical rice-rib arrangement beam according to claim 3, wherein a weight-reducing cavity (106) is formed by matching the hollow cavity (103), the vertical plate (1011), the back plate (1013), the side plate (1012) and the bearing rib plate (102).

6. A cylindrical rice-rib arrangement beam according to claim 3, characterized in that narrow reinforcing ribs (105) are arranged on the side plates (1012).

7. The cylindrical rice-rib arrangement beam as claimed in claim 6, wherein the narrow reinforcing rib plates (105) are arranged on the side plates (1012) in a staggered manner.

8. A cylindrical rice-rib arranging beam according to claim 1, wherein the hollow cavity (103) comprises a cylindrical cavity.

9. The cylindrical rice-rib arrangement beam as claimed in claim 8, wherein the central axes of the sand-discharging vent holes (104) at both ends of the hollow cavity (103) are coincident with the central axis of the hollow cavity (103).

10. The cylindrical rice-rib arranging beam according to claim 1, wherein the connection relationship between the beam main body (101) and the bearing rib (102) comprises integral casting.