CN111251011A

CN111251011A - High-rigidity cross beam and saddle structure for planer type milling machine

Info

Publication number: CN111251011A
Application number: CN202010233673.7A
Authority: CN
Inventors: 顾立柱; 李冬
Original assignee: Anhui Pengrui Intelligent Technology Co ltd
Current assignee: Anhui Pengrui Intelligent Technology Co ltd
Priority date: 2020-03-30
Filing date: 2020-03-30
Publication date: 2020-06-09

Abstract

The invention discloses a high-rigidity cross beam and saddle structure for a planomiller, and belongs to the technical field of planomillers. The cross beam comprises a cross beam body which is matched with and supported by a saddle and a rigid member which is positioned on the rear side of the cross beam body, wherein the rigid member is of a cuboid frame structure, a plurality of top wall supporting plates are arranged on the top wall of the rigid member at intervals along the length direction, and a first inclined rib plate and a first vertical rib plate which are in X-shaped cross distribution are arranged inside the rigid member; the inside installation cavity that is equipped with ram matched with of saddle, be located crossbeam length direction's two installation cavity lateral walls and be equipped with the balanced hydro-cylinder, the central line of two balanced hydro-cylinders and the coincidence of the central line of ram. The invention aims to overcome the defects of poor rigidity and poor anti-twisting performance of a beam and a saddle of the conventional planomiller, reduce the bending deformation and the twisting deformation of the planomiller and improve the overall rigidity and the overall stability of the planomiller.

Description

High-rigidity cross beam and saddle structure for planer type milling machine

Technical Field

The invention relates to the technical field of gantry milling machines, in particular to a high-rigidity beam and saddle structure for a gantry milling machine.

Background

The planer type milling machine mainly comprises a transverse beam of the planer type milling machine, a vertical column, a saddle ram and a workbench, wherein the transverse beam is a key part of the planer type milling machine and directly determines the overall performance of a machine tool. The structural arrangement of the cross beam has important influences on the stress state and performance of the machine tool structure, the stress peak value, the structural rigidity, the structural stability, the seismic resistance and the structural fatigue. The weight and cutting reaction force of the existing machine tool sliding plate and ram are borne by the front side of the beam, the bearing force of the beam is too large, the working process is unstable, and the service life is influenced; and the strength of the existing beam is far from insufficient for a plurality of large-span numerical control planer type milling machines. Meanwhile, the load is only reflected by the gantry slide saddle ram unit in an emphasized mode generally, and the problem of reverse anti-distortion of a machine tool during machining is not considered, so that the anti-distortion rigidity of the gantry slide saddle ram unit is poor in actual application.

Therefore, the design of a high-rigidity beam and saddle structure for a high-rigidity planomiller is urgently needed, which is a target pursued in the industry at present.

Through retrieval, a large number of patents have been published about planer type milling machine structures, such as Chinese patent application numbers: 2013200318195, the name of invention creation is: the utility model provides a numerical control planer-type boring and milling machine's steel construction crossbeam, this application discloses a numerical control planer-type boring and milling machine's steel construction crossbeam, including the front panel, the side board, bottom surface board and top panel, the vertical symmetry in both sides of front panel installs the side board, install the bottom surface board between the bottom of side board, install the top panel between the top of side board, the middle vertical backup pad that is connected with of bottom surface board and top panel, the upper end of well backup pad is connected with the lower extreme of side board and is installed the swash plate, the both sides of well backup pad, even vertical branch supporting plate of installing a plurality of and well backup pad parallel between swash plate and the bottom surface board, the upper end of branch backup pad rather than adjacent, highly be connected with the inclined connecting plate between. The scheme is a good exploration for the high rigidity of the planer type milling machine structure, but still has a space for further improvement, and the research on the planer type milling machine structure in the industry is never stopped.

Disclosure of Invention

1. Technical problem to be solved by the invention

The invention aims to overcome the defects of poor rigidity and poor anti-distortion performance of a beam and a saddle of the conventional planomiller, and provides a high-rigidity beam and saddle structure for the planomiller, so that the bending deformation and the distortion deformation of the planomiller are reduced, and the overall rigidity and the overall stability of the planomiller are improved.

2. Technical scheme

In order to achieve the purpose, the technical scheme provided by the invention is as follows:

the invention relates to a high-rigidity cross beam and saddle structure for a planomiller, which comprises a cross beam and a saddle arranged on the front surface of the cross beam, wherein the cross beam comprises a cross beam body matched with and supported by the saddle and a rigid member positioned on the rear side of the cross beam body, the rigid member is of a cuboid frame structure, a plurality of top wall supporting plates are arranged on the top wall of the rigid member at intervals along the length direction, a first inclined rib plate and a first vertical rib plate which are distributed in an X-shaped cross mode are arranged inside the rigid member, a triangular rib plate with a triangular cavity is arranged above the first inclined rib plate on the right side of the vertical rib plate and extends inwards along the length direction of the rigid member, and a first trapezoidal rib plate with a trapezoidal cavity is arranged below the inclined rib plate;

the inside installation cavity that is equipped with the ram matched with of saddle, be located crossbeam length direction's two installation cavity lateral walls and be equipped with the balanced hydro-cylinder, the central line of two balanced hydro-cylinders and the coincidence of the central line of ram, and two balanced hydro-cylinders symmetry setting respectively in the both sides of ram.

As a further improvement of the invention, the top of the beam body is provided with a top surface line rail, the side wall surface of the beam body is also provided with an upper parallel side surface line rail and a lower parallel side surface line rail along the height direction, and the top surface line rail and the side surface line rail both extend along the length direction of the beam.

As a further improvement of the invention, a second trapezoidal rib plate with a trapezoidal cavity is arranged below the inclined rib plate on the left side of the vertical rib plate and extends inwards along the length direction of the rigid member, a third pentagonal rib plate with a pentagonal cavity and a third trapezoidal rib plate with a trapezoidal cavity are sequentially arranged above the first inclined rib plate on the left side from top to bottom, and the pentagonal rib plate and the third trapezoidal rib plate both extend inwards along the length direction of the rigid member.

As a further improvement of the invention, a plurality of slide block mounting surfaces are arranged at the positions of the saddle corresponding to the top surface linear rails, a plurality of slide block mounting surfaces are also arranged at the positions of the saddle corresponding to the side surface linear rails, and each slide block mounting surface is provided with a slide block.

As a further improvement of the invention, two side wall surfaces of the ram along the length direction of the beam are respectively provided with two ram linear rails in parallel, the ram linear rails extend along the length direction of the ram, two inner side walls corresponding to the ram linear rails on the side wall inside the saddle are respectively provided with a plurality of slide block mounting surfaces, and slide blocks matched with the ram linear rails are mounted on the slide block mounting surfaces.

As a further improvement of the invention, two slide block mounting surfaces are arranged on the saddle corresponding to the positions of the ram linear rails close to the inner sides of the cross beams, and each slide block mounting surface is respectively provided with a slide block matched with the ram linear rails; two slide block mounting surfaces are also arranged on the saddle corresponding to the outside ram linear rails far away from the cross beam, and two slide blocks matched with the ram linear rails are respectively mounted on the slide block mounting surfaces corresponding to the outside ram linear rails and positioned at the bottom of the saddle.

As a further improvement of the invention, a transverse rib plate is arranged at the joint of the pentagonal rib plate and the trapezoidal rib plate III.

As a further improvement of the invention, a reinforcing rib plate is arranged at the center of the bottom of the first trapezoidal rib plate.

As a further improvement of the invention, a second inclined rib plate is connected between the top wall and the side wall of the beam body, and the second inclined rib plate extends downwards towards one side far away from the beam body.

As a further improvement of the invention, the bottom of the cross beam is provided with a plurality of groups of mounting holes.

3. Advantageous effects

Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects:

(1) the invention relates to a high-rigidity cross beam and saddle structure for a planomiller, wherein the cross beam comprises a cross beam body matched with and supported by a saddle and a rigid member positioned at the rear side of the cross beam body, a first inclined rib plate and a vertical rib plate which are in X-shaped cross distribution are arranged inside the rigid member, the inclined rib plates not only shorten the force transmission stroke, but also have backward pulling force on the saddle, reduce the forward tilting tendency of the saddle, simultaneously the stress of the cross beam is mutually offset inside the rigid member, reduce the stress deformation degree of the cross beam, provide a firm mounting base for the saddle, and improve the dynamic rigidity and stability of the movement of the saddle.

(2) According to the high-rigidity cross beam and saddle structure for the planer type milling machine, the mounting cavities matched with the ram are formed in the saddle, and the balance oil cylinders are arranged in the side walls of the two mounting cavities in the length direction of the cross beam, so that the appearance is neat, the integrity is strong, and the twisting force which is generated when the traditional external balance oil cylinder moves and is inclined towards the outer side of the saddle can be prevented; the central connecting line of the two balancing oil cylinders on the two side walls of the mounting cavity in the sliding saddle is superposed with the central line of the sliding pillow, and the two balancing oil cylinders are respectively and symmetrically arranged on the two sides of the sliding pillow, so that the center of the sliding saddle and the center of the sliding pillow are balanced, no eccentric moment can be generated, and the operation is more stable.

(3) According to the high-rigidity cross beam and saddle structure for the planer type milling machine, eight sliding block mounting surfaces are arranged behind the saddle and are used for being fixed with the linear rail on the cross beam, and the connection rigidity between the saddle and the cross beam is improved by the connection mode of the plurality of sliding blocks, so that the dynamic operation precision of the saddle is higher, the stability is better, and a stable base is provided for a ram.

(4) According to the high-rigidity cross beam and saddle structure for the planer type milling machine, the triangular rib plate with the triangular cavity is arranged above the inclined rib plate I on the right side of the vertical rib plate and extends inwards along the length direction of the rigid member, and the trapezoidal rib plate I with the trapezoidal cavity is arranged below the inclined rib plate and extends inwards along the length direction of the rigid member. The triangular rib plates and the trapezoidal rib plates I are matched with each other, so that the overall rigidity strength of the cross beam is increased, the weight of the cross beam is reduced, the overall load weight of the planer type milling machine is reduced, the operation accuracy of the planer type milling machine is ensured, and the service life of the planer type milling machine is prolonged

(5) According to the high-rigidity cross beam and saddle structure for the planer type milling machine, the top surface linear rail is arranged at the top of the cross beam body, the upper and lower parallel side surface linear rails are further arranged on the side wall surface of the cross beam body along the height direction, and the top surface linear rail and the side surface linear rails extend along the length direction of the cross beam. The three-line rail of crossbeam arranges, compares with traditional crossbeam structure, increases a line rail on the lateral wall upper portion of crossbeam, remedies the weak position in the middle of the saddle, improves the motion stability of saddle, can further prevent that the saddle from leaning forward.

Drawings

FIG. 1 is a schematic perspective view of a cross member according to the present invention;

FIG. 2 is a front view of the cross beam of the present invention;

FIG. 3 is a schematic bottom view of the cross member of the present invention;

FIG. 4 is a schematic cross-sectional view of section B-B of FIG. 2;

FIG. 5 is a perspective view of a cross-section of a beam portion of the present invention;

FIG. 6 is a schematic view of the saddle of the present invention in use;

FIG. 7 is a schematic view of the saddle of the present invention with the closure reinforcement removed;

FIG. 8 is a rear view of FIG. 7;

FIG. 9 is a schematic view of the structure of FIG. 7 from another perspective;

FIG. 10 is a schematic view of the saddle according to the present invention;

FIG. 11 is a top view of FIG. 10;

fig. 12 is a schematic sectional view of the section a-a in fig. 11.

The reference numerals in the schematic drawings illustrate:

200. a cross beam; 210. a top surface linear rail; 220. a side linear rail; 201. a transverse rib plate; 202. reinforcing rib plates; 203. a first inclined rib plate; 204. a bottom wall; 205. a side wall; 206. a top wall; 207. a sand leakage hole; 209. lightening holes; 21. a top wall support plate; 22. a triangular rib plate I; 23. a first trapezoidal rib plate; 24. a second trapezoidal rib plate; 25. a trapezoidal rib plate III; 26. a pentagonal rib plate; 27. a longitudinal rib plate; 28. a second inclined rib plate; 29. a triangular rib plate II; 210. a top surface linear rail; 220. a side linear rail; 230. mounting holes; 240. a beam body; 250. a rigid member;

300. a saddle; 310. a slider mounting surface; 320. a slider; 330. a balancing oil cylinder; 340. a closed reinforcement plate; 301. mounting holes; 400. a ram; 410. ram linear rails.

Detailed Description

For a further understanding of the invention, reference should be made to the following detailed description taken in conjunction with the accompanying drawings.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The present invention will be further described with reference to the following examples.

Example 1

With reference to fig. 1 to 12, the high-rigidity beam and saddle structure for a planer type milling machine of the present embodiment includes a beam 200 and a saddle 300 disposed on the front surface of the beam 200, wherein the beam 200 includes a beam body 240 cooperatively supported with the saddle 300 and a rigid member 250 disposed on the rear side of the beam body 240, the rigid member 250 is a rectangular frame structure, a plurality of top wall support plates 21 are disposed on the top wall 206 of the rigid member 250 at regular intervals along the length direction, and a rectangular hollow shape is formed between two adjacent top wall support plates 21. As shown in fig. 4 and 5, in the present embodiment, the first tilted rib plate 203 and the vertical rib plate 27 are disposed inside the rigid member 250 in an X-shaped cross distribution, and the tilted rib plate 203 not only shortens the force transmission stroke, but also has a backward pulling force on the saddle 300, so as to reduce the forward tilting tendency of the saddle 300, and at the same time, the forces applied to the cross beam 200 cancel each other inside, thereby reducing the force deformation degree of the cross beam 200, providing a firm mounting base for the saddle 300, and improving the dynamic rigidity and stability of the movement of the saddle 300. In this embodiment, a triangular rib plate 22 having a triangular cavity is provided above the first diagonal rib plate 203 on the right side of the vertical rib plate 27 and extends inward along the length direction of the rigid member 250, and a trapezoidal rib plate 23 having a trapezoidal cavity is provided below the first diagonal rib plate 203 and extends inward along the length direction of the rigid member 250. The triangular rib plates 22 and the trapezoidal rib plates I23 are matched with each other, so that the overall rigidity strength of the cross beam 200 is increased, the weight of the cross beam 200 is reduced, the overall load weight of the planer type milling machine is reduced, and the operation accuracy and the service life of the planer type milling machine are guaranteed.

As shown in fig. 6, in the present embodiment, an installation cavity matched with the ram 400 is disposed inside the saddle 300, and two installation cavity side walls located in the length direction of the cross beam 200 are provided with the balance cylinders 330, specifically, as shown in fig. 11, a central line of the two balance cylinders 330 on two side walls of the installation cavity inside the saddle 300 in the present embodiment coincides with a central line of the ram 400, the balance cylinders 330 are disposed inside the inner wall of the saddle 300, and not only is the appearance neat and the integrity strong, but also the distortion force tilting toward the outside of the saddle 300 generated when the external balance cylinders 330 move like the traditional external balance cylinders 330 can be prevented, and the two balance cylinders 330 are respectively symmetrically disposed on two sides of the ram 400, so that the center of the saddle 300 and the ram 400 is balanced, the eccentric moment cannot be generated, and the operation is more.

As shown in fig. 4, two parallel left and right sides of the first trapezoidal rib 23 are perpendicular to the bottom wall 204 of the rigid member 250, and a vertical bottom edge of the first trapezoidal rib 23 connecting the left and right sides is attached to the bottom wall 204 and disposed on the bottom wall 204. The central position of the right side of the first trapezoidal rib plate 23 is provided with a reinforcing rib plate 202, the central position of the bottom of the first trapezoidal rib plate 23 is provided with the reinforcing rib plate 202, and the reinforcing rib plate 202 is used for improving the rigidity of the first trapezoidal rib plate 23, so that the integral rigidity strength of the cross beam 200 is improved. As shown in fig. 4, in this embodiment, a second tilted rib plate 28 is connected between the top wall 206 and the side wall 205 of the beam body 240, the second tilted rib plate 28 extends downward toward a side away from the beam body 240, and the second tilted rib plate 28, the top wall 206 and the side wall 205 form a triangular cavity structure together, so that the load weight of the gantry milling machine is reduced, and the overall rigidity strength of the beam 200 can be further improved.

As shown in fig. 5, in this embodiment, the inclined rib plate 203 is provided with a plurality of sand leakage holes 207 at regular intervals along the length direction, which not only reduces the overall weight of the cross beam 200, but also enables cutting iron chips generated during the operation of the cross beam 200 to be discharged through the sand leakage holes 207, thereby avoiding being accumulated on the cross beam 200. In the present embodiment, a plurality of lightening holes 209 are formed on two side walls 205 of the rigid member 250, so as to further lighten the mass of the cross beam 200. In this embodiment, the design of the rib plate inside the rigid member 250 ensures that the cross beam 200 of the planer type milling machine has sufficient bending rigidity and torsional rigidity, the overall structure highlights unique high stability, and the precision stability, durability and overall rigidity strength of the planer type milling machine are ensured.

As shown in fig. 4, in this embodiment, a second trapezoidal rib plate 24 having a trapezoidal cavity is provided below the first inclined rib plate 203 on the left side of the vertical rib plate 27 and extends inward along the length direction of the rigid member 250, and a pentagonal rib plate 26 having a pentagonal cavity and a third trapezoidal rib plate 25 having a trapezoidal cavity are provided above the first inclined rib plate 203 on the left side in sequence from top to bottom, where both the pentagonal rib plate 26 and the third trapezoidal rib plate 25 extend inward along the length direction of the rigid member 250. The beam body 240 forms a closed cavity in a square shape near the front side of the saddle 300, which improves the rigidity of the main force-bearing side wall of the beam 200 and prevents the beam 200 from being deformed forward. As shown in fig. 4, in the present embodiment, the second trapezoidal rib plate 24 is a similar trapezoidal structure that is arranged in parallel with the first trapezoidal rib plate 23, the left and right parallel side edges of the second trapezoidal rib plate 24 are perpendicular to the bottom of the cross beam body 240, and the perpendicular bottom edge of the second trapezoidal rib plate 24 that connects the left and right side edges is attached to the bottom of the cross beam body 240 and arranged at the bottom of the cross beam body 240. The bevel edge of the third trapezoidal rib plate 25 is attached to the bevel edge of the second trapezoidal rib plate 24, the transverse rib plate 201 is arranged at the joint of the third trapezoidal rib plate 25 and the pentagonal rib plate 26, the force transmission stroke is shortened, the stress deformation degree of the cross beam 200 is reduced, and the internal rigidity strength of the cross beam body 240 can be further improved.

Example 2

The basic structure of the high-rigidity beam and saddle structure for a planer type milling machine of this embodiment is the same as that of embodiment 1, and further, as shown in fig. 1, in this embodiment, a top surface linear rail 210 is disposed on one side of the top surface of the beam 200 close to the saddle 300 along the length direction, two side surface linear rails 220 are disposed on the side wall surface of the beam 200 close to the saddle 300 along the height direction, and the top surface linear rail 210 and the two side surface linear rails 220 are disposed in parallel. Compared with the conventional cross beam 200 structure, the three-line rail arrangement of the cross beam 200 increases one line rail on the upper portion of the side wall of the cross beam 200, makes up for the middle weak portion of the saddle 300, improves the motion stability of the saddle 300, and can further prevent the saddle 300 from inclining forwards.

Crossbeam 200 bottom is equipped with multiunit mounting hole 230 in this embodiment, reserves extension door width interface in crossbeam 200 bottom promptly, and the mounting hole 230 installation of stand and different positions combines, can form the planer-type milling machine of multiple door width, can arrange the drive disk assembly of different strokes, improves the stroke of saddle motion, satisfies the processing demand of the different parts of customer, and convenient production improves product competitiveness, reduces order delivery time.

Example 3

The basic structure of the high-rigidity beam and saddle structure for a planomiller of the present embodiment is the same as that of embodiment 1, and further, in the present embodiment, a plurality of slider mounting surfaces 310 are provided on one side of the saddle 300 corresponding to the beam 200, the positions of the plurality of slider mounting surfaces 310 respectively correspond to the positions of a plurality of linear rails on the beam 200, the slider mounting surfaces 310 are provided with sliders 320 for matching with the linear rails, and the sliders 320 slide along the length direction of the linear rails of the beam 200. The sliding saddle 300 is provided with a plurality of sliding block mounting surfaces 310 corresponding to each line rail position on the cross beam 200. Specifically, as shown in fig. 8, in the present embodiment, a plurality of slider mounting surfaces 310 are provided at positions of the saddle 300 corresponding to the top surface linear rails 210, a plurality of slider mounting surfaces 310 are also provided at positions of the saddle 300 corresponding to the side surface linear rails 220, and a slider 320 is provided on each slider mounting surface 310. Specifically, in the present embodiment, two slider mounting surfaces 310 are provided at positions of the saddle 300 corresponding to the upper side linear rails 220, three slider mounting surfaces 310 are provided at positions of the saddle 300 corresponding to the lower side linear rails 220, and each slider mounting surface 310 is provided with one slider 320. Namely, as shown in fig. 6, the rear of the saddle 300 has eight slider mounting surfaces 310 for fixing with the linear rails on the cross beam 200, and the connection mode of the plurality of sliders 320 improves the connection rigidity between the saddle 300 and the cross beam 200, so that the dynamic running precision of the saddle 300 is higher, the stability is better, and a stable base is provided for the ram 300.

Example 4

The basic structure of the closed saddle structure with high rigidity for gantry milling machine of this embodiment is the same as that of embodiment 1, and further, as shown in fig. 10, the side of the saddle 300 away from the cross beam 200 in this embodiment is a U-shaped opening side, and a closed reinforcing plate 340 is disposed at the U-shaped opening. The closed reinforcing plate 340 is installed at the U-shaped opening in front of the saddle 300, so that the saddle 300 is changed from an open U-shaped structure to a closed U-shaped structure, bending deformation and twisting deformation of the saddle 300 can be effectively reduced, and the rigidity of the saddle 300 is greatly improved.

As shown in fig. 6 and 7, in this embodiment, two ram linear rails 410 are respectively disposed on two side walls of the ram 400 along the length direction of the cross beam 200 in parallel, and as shown in the orientation in fig. 6, two ram linear rails 410 are respectively disposed on the left and right side walls of the ram 400, that is, four ram linear rails 410 are disposed on the ram 400, the ram linear rails 410 extend along the length direction of the ram 400, and a plurality of slider mounting surfaces 310 are respectively disposed on two inner side walls of the inner side wall of the saddle 300 corresponding to the ram linear rails 410, and a slider 320 matched with the ram linear rails 410 is mounted on the slider mounting surfaces 310, and the ram 400 can slide up and down in the height direction in the saddle 300 through the sliding fit between the slider 320 and the ram linear rails 410.

As shown in fig. 7 and 9, in the present embodiment, two slider mounting surfaces 310 are disposed on the saddle 300 at positions corresponding to the inner ram wire rails 410 close to the cross beam 200, and each slider mounting surface 310 is respectively mounted with a slider 320 matched with the ram wire rails 410; two slider mounting surfaces 310 are also arranged on the saddle 300 at positions corresponding to the outer ram wire rails 410 far away from the cross beam 200, and two sliders 320 matched with the ram wire rails 410 are respectively mounted on the slider mounting surfaces 310 at the bottom of the saddle 300 corresponding to the outer ram wire rails 410. Namely, the two inner side walls of the saddle 300 near the U-shaped opening are respectively provided with an upper slider mounting surface 310 and a lower slider mounting surface 310, wherein the slider mounting surface 310 at the upper part is correspondingly provided with one slider 320, and the slider mounting surface 310 at the lower part is correspondingly provided with two sliders 320. Therefore, five sliders 320 are respectively arranged on the left side and the right side of two inner side walls of the front U-shaped opening of the sliding saddle 300 and are used for being matched and connected with four ram linear rails 410 on the left side and the right side of the ram 400, the dynamic operation precision of the ram 400 is improved, and the integral operation stability of the machine tool is improved.

As shown in fig. 7, in the present embodiment, each of the slider mounting surfaces 310 is provided with a plurality of mounting holes 301 for fixedly mounting the slider 320 on the slider mounting surface 310, so as to further ensure the connection stability of the slider 320.

The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the invention.

Claims

1. The utility model provides a planer-type milling machine is with high rigidity crossbeam, saddle structure, includes crossbeam (200) and sets up at the positive saddle (300) of crossbeam (200), its characterized in that: the cross beam (200) comprises a cross beam body (240) matched with and supported by the sliding saddle (300) and a rigid member (250) located on the rear side of the cross beam body (240), wherein the rigid member (250) is of a cuboid frame structure, a plurality of top wall supporting plates (21) are arranged on a top wall (206) of the rigid member (250) at intervals along the length direction, a first inclined rib plate (203) and a vertical rib plate (27) which are distributed in an X-shaped cross mode are arranged inside the rigid member (250), a triangular rib plate (22) with a triangular cavity is arranged above the first inclined rib plate (203) on the right side of the vertical rib plate (27) and extends inwards along the length direction of the rigid member (250), and a first trapezoidal rib plate (23) with a trapezoidal cavity is arranged below the first inclined rib plate (203) and extends inwards along the length direction of the rigid;

the inside installation cavity that is equipped with ram (400) cooperation of saddle (300), be located crossbeam (200) length direction's two installation cavity lateral walls and be equipped with balanced hydro-cylinder (330), the line of the center of two balanced hydro-cylinders (330) coincides with the central line of ram (400), and two balanced hydro-cylinder (330) symmetry respectively set up the both sides of ram (400).

2. The high-rigidity beam and saddle structure for the planomiller according to claim 1, wherein: the top of crossbeam body (240) is equipped with top surface line rail (210), and the lateral wall face of crossbeam body (240) still is equipped with two upper and lower parallel side line rails (220) along the direction of height, and top surface line rail (210) and side line rail (220) all extend along the length direction of crossbeam (200).

3. The high-rigidity beam and saddle structure for the planomiller according to claim 1, wherein: the lower part of the first inclined rib plate (203) on the left side of the vertical rib plate (27) extends inwards along the length direction of the rigid member (250) to form a second trapezoidal rib plate (24) with a trapezoidal cavity, the upper part of the first inclined rib plate (203) on the left side is sequentially provided with a pentagonal rib plate (26) with a pentagonal cavity and a third trapezoidal rib plate (25) with a trapezoidal cavity from top to bottom, and the pentagonal rib plate (26) and the third trapezoidal rib plate (25) both extend inwards along the length direction of the rigid member (250).

4. The high-rigidity beam and saddle structure for the planomiller according to claim 1, wherein: a plurality of slider mounting surfaces (310) are arranged at the positions of the saddle (300) corresponding to the top surface linear rails (210), a plurality of slider mounting surfaces (310) are also arranged at the positions of the saddle (300) corresponding to the side surface linear rails (220), and a slider (320) is arranged on each slider mounting surface (310).

5. The high-rigidity beam and saddle structure for the planomiller according to claim 4, wherein: the two side wall surfaces of the ram (400) along the length direction of the cross beam (200) are respectively provided with two ram linear rails (410) in parallel, the ram linear rails (410) extend along the length direction of the ram (400), the two inner side walls, corresponding to the ram linear rails (410), of the side wall inside the saddle (300) are respectively provided with a plurality of slider mounting surfaces (310), and the sliders (320) matched with the ram linear rails (410) are mounted on the slider mounting surfaces (310).

6. The high-rigidity beam and saddle structure for the planomiller according to claim 5, wherein: two slider mounting surfaces (310) are arranged on the saddle (300) at positions corresponding to the inner side ram linear rails (410) close to the cross beam (200), and each slider mounting surface (310) is respectively provided with a slider (320) matched with the ram linear rails (410); two slider mounting surfaces (310) are also arranged on the saddle (300) at positions corresponding to the outer side ram linear rails (410) far away from the cross beam (200), and two sliders (320) matched with the ram linear rails (410) are respectively mounted on the slider mounting surfaces (310) which correspond to the outer side ram linear rails (410) and are positioned at the bottom of the saddle (300).

7. The high-rigidity beam and saddle structure for the planomiller according to claim 3, wherein: and a transverse rib plate (201) is arranged at the joint of the pentagonal rib plate (26) and the trapezoidal rib plate III (25).

8. The high-rigidity beam and saddle structure for the planomiller according to claim 1, wherein: a reinforcing rib plate (202) is arranged at the center of the bottom of the first trapezoidal rib plate (23).

9. The high-rigidity beam and saddle structure for the planomiller according to claim 1, wherein: a second inclined rib plate (28) is connected between the top wall (206) and the side wall (205) of the beam body (240), and the second inclined rib plate (28) extends downwards towards one side far away from the beam body (240).

10. A high rigidity beam, saddle structure for planomiller according to any one of claims 1 to 9, wherein: the bottom of the beam (200) is provided with a plurality of groups of mounting holes (230).