CN114683061A - A gantry CNC machine tool frame - Google Patents

Abstract

The invention discloses a gantry numerical control machine tool frame which comprises a beam body and a stand column body, wherein the beam body is arranged at the upper part of the stand column body, and the beam body and the stand column body are both of a cavity structure; this internal strengthening rib subassembly A that is equipped with of crossbeam, strengthening rib subassembly A includes: first reinforcing ribs are uniformly distributed on the front wall of the inner cavity of the beam body along the length direction of the beam body; the second reinforcing ribs are arranged on the upper wall, the lower wall and the rear wall of the inner cavity of the beam body along the length direction of the beam body; the reinforcing rib plates A are arranged in the inner cavity of the beam body at intervals and connected with the front wall, the rear wall, the upper wall and the lower wall of the inner cavity of the beam body; this internal strengthening rib subassembly B that is equipped with of stand, strengthening rib subassembly B includes: the third reinforcing rib is arranged on the inner side wall of the upright post body; reinforcing rib plates B are arranged at intervals along the height direction of the upright post body; still including strengthening the foot subassembly, strengthen the foot subassembly and locate stand body outside lower part. The portal frame has better bearing capacity and good mechanical property, so that the portal frame has higher economical efficiency.

Description

A gantry CNC machine tool frame

technical field

The invention relates to the field of frame bodies, in particular to a gantry numerically controlled machine tool frame.

Background technique

The gantry machining center, also known as the gantry CNC machine tool, is a milling machine with a portal frame and a horizontal long bed; the gantry machining center can use one or more milling cutters to process the workpiece at the same time, and its machining accuracy and production efficiency They are relatively high and are suitable for processing the plane slope of large workpieces in batch and mass production, and can also process space curved surfaces and some specific parts; gantry machining centers generally have a tool magazine with automatic tool change function. After the workpiece is clamped , the CNC system can control the machine tool to select tools according to different processes, replace tools, automatically set tools, automatically change the spindle speed and feed, etc., and can continuously complete various processes such as drilling, boring, milling, tapping, etc. The processing shape is more complex , The precision requirements are relatively high, and the parts with frequent variety replacement have good economic benefits.

In the existing gantry machining center, the gantry frame is one of its main parts. The gantry frame generally includes a beam set on it and a column set on the side of the beam. The beam is the basic part of the Y-axis of the machine tool. The weight of the pillow part also needs to bear the cutting force during the machining of the machine tool. Therefore, the rigidity and strength of the beam directly affect the overall processing performance and accuracy of the machine tool; usually, the larger the span of the beam of the gantry CNC machine tool, its weight and The deformation caused by the movement of the saddle on it will increase accordingly. At this time, if the rigidity of the beam structure is insufficient, it will cause the beam of the gantry CNC machine tool to vibrate during processing, resulting in poor processing accuracy; the column is one of the key parts of the gantry machine tool. It is the main bearing part of the gantry frame structure of the gantry type machining center machine tool. During its work and use, it is not only subjected to positive pressure from the beams, saddles and other components, but also to bending and torsional moments. In the traditional design, in order to ensure For the structural rigidity and strength of the column, the four walls of the column are usually thickened. As a result, the overall weight of the column increases too much, and the assembly and transportation costs increase. In view of the above problems, it is necessary to improve the overall structure of the gantry frame of the gantry CNC machine tool.

SUMMARY OF THE INVENTION

The main purpose of the present invention is to provide a gantry CNC machine tool frame, which can simulate the overall stress condition of the gantry frame during operation through finite element analysis, optimize the cross-sectional shape of the beam on the gantry frame and the distribution of internal reinforcing ribs, and greatly improve the bending of the long-span beam. At the same time, a reasonable cross-sectional shape and a unique way of arranging bars are planned for the column parts of the gantry frame, so as to improve the force condition of the gantry frame in all directions during work and ensure the machining accuracy of the gantry CNC machine tool. Stablize.

In order to achieve the above purpose, the present invention proposes a gantry CNC machine tool frame, comprising a beam body and a column body, the beam body is arranged on the upper part of the column body, and both the beam body and the column body are cavity structures;

The beam body is provided with a reinforcing rib assembly A, and the reinforcing rib assembly A includes: first reinforcing ribs arranged along the length direction of the beam body on the front wall of the inner cavity of the beam body; and arranged in the beam body along the length direction of the beam body the second reinforcing ribs of the upper wall, the lower wall and the rear wall of the cavity; the reinforcing rib plates A that are arranged at intervals in the inner cavity of the beam body and are connected to the front wall, the rear wall, the upper wall and the lower wall of the inner cavity of the beam body;

A reinforcing rib assembly B is arranged in the column body, and the reinforcing rib assembly B includes: a third reinforcing rib arranged on the inner side wall of the column body; a reinforcing rib plate B arranged at intervals along the height direction of the column body; and also includes reinforcing feet assembly, the reinforcing foot assembly is arranged on the lower part of the outer side of the column body.

One of the preferred solutions of the present invention is: the beam body includes a beam front plate, a beam back plate, a beam top plate and a beam bottom plate, the beam front plate, the beam back plate, the beam top plate, the beam bottom plate and the beams located on both sides of the beam body. Reinforcing rib plates A are enclosed with each other; the bottom plate of the beam is an arched structure with the middle part protruding upwards.

One of the preferred solutions of the present invention is: the outer side of the beam top plate is provided with first grooves at intervals, and the first grooves are provided with first weight-reducing holes; the outer side of the beam back plate is provided with second grooves at intervals. The grooves are provided with second weight-reducing holes on the second grooves.

One of the preferred solutions of the present invention is: the column body includes a left side plate, a right side plate, a column front plate, a column back plate, a column bottom plate and a column top plate, the left side plate, right side plate, column front plate, column The back plate, the bottom plate of the column and the top plate of the column are enclosed to form the column body.

One of the preferred solutions of the present invention is that: the bottom plate of the column is provided with a first installation hole, and the left side plate, the right plate, the front plate of the column and the lower part of the back plate of the column are recessed with the number of the first installation holes. Matching the first mounting slot.

One of the preferred solutions of the present invention is that: the top plate of the column is provided with a second mounting hole, and the left side plate, the right side plate, the front plate of the column and the back plate of the column are recessed with a number equal to the number of the second mounting holes. The matching second mounting slot.

One of the preferred solutions of the present invention is that the reinforcing foot assembly includes a front foot, and the front foot is arranged at the lower part of the front side of the front plate of the column.

One of the preferred solutions of the present invention is: the reinforcing foot assembly further includes a mounting frame and a plurality of reinforcing pieces, the mounting frame is arranged on the front part of the forefoot; the reinforcing pieces are arranged at intervals on the upper part of the front foot and the reinforcing pieces The lower part of the piece is fixedly connected with the front foot, and the side part of the reinforcing piece is fixedly connected with the installation frame; the installation frame is provided with a third installation hole.

One of the preferred solutions of the present invention is as follows: the first reinforcing rib is in a rice-shaped shape, and the adjacent first reinforcing ribs are connected; the reinforcing rib plate A and the reinforcing rib plate B are both X-shaped rib plates, so The side parts of the reinforcing rib plate B are respectively connected with the inner side wall of the column body.

One of the preferred solutions of the present invention is that: the front plate of the beam and the back plate of the beam are provided with perforations of the beam.

One of the preferred solutions of the present invention is that: the side part and the top of the beam body are provided with cable openings.

One of the preferred solutions of the present invention is that: the side of the column body is provided with a first column through hole and a second column through hole for moving the column body and wiring, and the first column through hole is provided on the side of the column body. On the upper end, the second column through hole is arranged at the lower end of the side of the column body.

One of the preferred solutions of the present invention is as follows: the left side plate, the right side plate and the column back plate are concave inward to form a groove structure, the left side plate or the right side plate is provided with a first mounting portion, and the column back plate is provided with a first mounting portion. A second mounting portion is provided on the board.

One of the preferred solutions of the present invention is: the front side of the front plate of the beam is provided with a sliding rail, one end of the front side of the front plate of the beam is provided with a bearing mounting portion, and the other end of the front side of the front plate of the beam is provided with a motor mounting portion; The front side of the plate is provided with a first mounting seat that cooperates with each other for fixing the headstock; the top plate of the beam is provided with a second mounting seat that is convenient for moving the beam body; the back plate of the beam is provided with a third mounting seat for installing the ladder .

One of the preferred solutions of the present invention is that: both ends of the lower part of the beam body are provided with fixed mounting seats matching the second mounting holes.

The beneficial effects of the gantry CNC machine tool frame provided by the present invention are as follows:

First, the beam body on the gantry is a cavity structure, and the reinforcing rib assembly A is arranged in the beam body, so that the weight of the beam can be reduced while the stress of the beam can be improved;

Second, the distribution of the reinforcement ribs inside the beam body of the gantry frame is optimized. By arranging the first reinforcement ribs and the second reinforcement ribs on the inner wall of the beam body, and setting the reinforcement plate A in the inner cavity of the beam body at intervals, the large span is improved. The bending deformation from the beam improves the overall bearing capacity of the beam, so that the beam as a whole has good mechanical properties;

Third, the column body of the gantry is a cavity structure. Without thickening the four walls of the column body, the third reinforcing rib and the reinforcing rib plate B are arranged on the four walls of the column body and the four walls of the column body are arranged. The walls are connected to realize the structural integrity of the four walls of the column, and fully strengthen the structural rigidity of the column in all directions such as bending resistance, torsion resistance, and compression resistance;

Fourth, the lower part of the column body is provided with a reinforcing foot component, and the overall shape of the column body is L-shaped, so as to facilitate its connection with the machine bed and the beam body, and also give full play to its role as a pillar in the gantry;

The gantry of the invention has better bearing capacity and good mechanical properties, so that the gantry is more economical.

Description of drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention, and for those of ordinary skill in the art, other drawings can also be obtained according to the structures shown in these drawings without creative efforts.

Fig. 1 is the rear side three-dimensional structure schematic diagram of the beam of the gantry CNC machine tool frame embodiment of the present invention;

2 is a schematic diagram of the inner three-dimensional structure of the cross-beam section of the embodiment of the gantry CNC machine tool frame of the present invention;

Fig. 3 is the front side three-dimensional structure schematic diagram of the beam of the embodiment of the gantry CNC machine tool frame of the present invention;

Fig. 4 is the front side three-dimensional structure schematic diagram of the column of the embodiment of the gantry CNC machine tool frame according to the present invention;

5 is a schematic diagram of the rear side three-dimensional structure of the column of the embodiment of the gantry CNC machine tool frame of the present invention;

6 is a schematic diagram of the inner three-dimensional structure of the column section of the embodiment of the gantry CNC machine tool frame according to the present invention;

Description of reference numbers:

10- Beam body, 11- Beam front plate, 111- Slide rail, 112- Bearing mounting part, 113- Motor mounting part, 114- First mounting seat, 12- Beam back plate, 121- Second groove, 122- The second lightening hole, 123-third mounting seat, 13-beam top plate, 131-first groove, 132-first lightening hole, 133-second mounting seat, 14-beam bottom plate, 100-reinforcing rib assembly A, 101-first reinforcing rib, 102-second reinforcing rib, 103-reinforcing rib plate A, 15-beam perforation, 16-cable opening, 17-fixed mounting seat;

20-Column body, 21-Column front plate, 22-Column back plate, 23-Column bottom plate, 231-First installation hole, 232-First installation slot, 24-Column top plate, 241-Second installation hole, 242- The second installation slot, 200 - the reinforcing rib assembly B, 201 - the third reinforcing rib, 202 - the reinforcing rib plate B, 25 - the first column perforation, 26 - the second column perforation, 27 - the first installation part, 28 - the first Two installation department;

30- Reinforcing foot assembly, 31- Front foot, 32- Mounting frame, 321- Third mounting hole, 33- Reinforcing piece.

Detailed ways

The technical solutions in the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the present invention. Therefore, the present invention is not limited by the specific embodiments disclosed below.

It should be noted that when an element is referred to as being "disposed on" another element, it can be directly disposed on the other element or an intervening element may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "mounted on" another element, it can be directly mounted on the other element or intervening elements may also be present.

In addition, it should also be understood that all directional indications (such as up, down, left, right, middle...) in the embodiments are only used to explain between various components under a certain posture (as shown in the drawings). If the specific posture changes, the directional indication also changes accordingly; terms such as "first" and "second" are used to distinguish different structural components. These terms are only for the convenience of describing the present invention and simplifying the description, and should not be construed as limiting the present invention.

Example

This embodiment discloses a gantry CNC machine tool frame. Specifically, the gantry frame in this embodiment is a gantry frame on a gantry type machining center. In order to improve the overall rigidity and strength of the gantry frame, the design simulates the gantry frame through finite element analysis. The stress conditions of beams and columns during work have planned a reasonable cross-sectional shape for beams and column parts, as well as a unique way of arranging reinforcement. The force condition of the gantry of the CNC machine tool in all directions during the work is improved, and the accuracy of the machine tool is guaranteed to be stable.

In this embodiment, the gantry frame is arranged on the gantry CNC machine tool, and the structure in the embodiment is referred to with reference to Figures 1 to 6; Both of the column bodies 20 are fixed, and the lower ends of the beam body 10 are respectively arranged on the upper parts of the column bodies 20 on both sides of the processing table. The beam body 10 and the column body 20 in this embodiment are both cavity structures. , the cavity structure can make the overall weight of the gantry not too large, which can reduce the cost of materials and transportation;

In this embodiment, the beam body 10 is provided with a reinforcing rib assembly A100, and the reinforcing rib assembly A100 includes: first reinforcing ribs 101 that are evenly arranged on the front wall of the inner cavity of the beam body 10 along the length direction of the beam body 10; The longitudinal direction of the beam body 10 is arranged on the second reinforcing ribs 102 on the upper wall, the lower wall and the rear wall of the inner cavity of the beam body 10; The stiffening rib plate A103 connecting the upper wall and the lower wall;

One of the preferred solutions in this embodiment is that the first reinforcing ribs 101 are in a meter shape, the adjacent first reinforcing ribs 101 are connected, and the first reinforcing ribs 101 are all arranged on the beam body along the length direction of the beam body 10 . 10 On the front wall of the inner cavity, specifically, the first reinforcing rib 101 includes a connecting strip and a connecting piece arranged in the middle of the first reinforcing rib 101, and the connecting strip is connected by the connecting piece, that is, the connecting piece is In the center, each connecting bar is connected with the connecting piece at a certain angle, so that the first reinforcing rib 101 has a rice-shaped structure as a whole; the second reinforcing rib 102 is arranged in the beam body 10 along the length direction of the beam body 10 On the upper wall, lower wall and rear wall of the cavity, the second reinforcing rib 102 is a reinforcing rib, and at least one second reinforcing rib 102 is provided. 2. The second reinforcing rib 102 is provided on the rear wall along the middle of the length direction of the beam body 10; when there are multiple, two or three second reinforcing ribs 102 can be arranged at intervals, and the second reinforcing ribs 102 are arranged at intervals on the beam On the upper wall, lower wall and rear wall of the inner cavity of the main body 10; the reinforcing rib plate A103 in this embodiment is an X-shaped rib plate. , the reinforcing rib plate A103 is arranged in the inner cavity of the beam body 10 at intervals, and is connected with the front wall, the rear wall, the upper wall and the lower wall of the inner cavity of the beam body 10, as well as with the first reinforcing rib 101 and the second reinforcing rib 102, This makes it possible to improve the stress condition of the beam while reducing the weight of the beam, and jointly provide bearing capacity for the structural members disposed on the beam body 10, so that the beam as a whole has good mechanical properties.

In this embodiment, the column body 20 is provided with a reinforcing rib assembly B200, and the reinforcing rib assembly B200 includes: a third reinforcing rib 201 arranged on the inner side wall of the column body 20; Reinforcing rib plate B202 ; further includes reinforcing foot assemblies 30 , which are arranged at the lower portion of the outer side of the column body 20 .

One of the preferred solutions in this embodiment is that each inner side wall of the column body 20 is provided with a third reinforcing rib 201. Specifically, the third reinforcing rib 201 includes a first reinforcing bar and a second reinforcing bar. 20 Each inner side wall of the column body 20 is provided with the first reinforcing strip along the middle of the height direction of the column body 20, the second strengthening strip is in an X shape, and each inner wall of the column body 20 is spaced along the height direction of the column body 20. The second reinforcing rib 102, the middle part of the second reinforcing bar is connected with the first reinforcing bar; in this embodiment, the reinforcing rib plate B202 is an X-shaped rib plate, specifically, the reinforcing rib plate B202 is a plate-like structure as a whole , wherein the middle part is an X-shaped rib, and the reinforcing rib plates B202 are arranged at intervals along the height direction of the column body 20, and are connected with each inner side wall of the column body 20 and the third reinforcing rib 201; the column body 20 in this embodiment is a cavity structure, in the Without thickening the four walls of the column body 20, the structural integrity of the four walls of the column on the gantry is realized, and the structural rigidity of the gantry column in all directions such as bending resistance, torsion resistance, and compression resistance is fully strengthened.

In this embodiment, further, the lower part of the outer side of the column body 20 is provided with a reinforcing foot assembly 30, so that the overall shape of the gantry column is L-shaped, the cross-section of the column body 20 and the beam body 10 is a square structure, and the structure of the column body 20 It is arranged to facilitate its connection with the gantry CNC machine tool bed and the beam body 10, and to give full play to its role as a pillar in the gantry frame.

One of the preferred solutions in this embodiment is: the beam body 10 includes a beam front plate 11 , a beam back plate 12 , a beam top plate 13 and a beam bottom plate 14 , the beam front plate 11 , the beam back plate 12 , the beam top plate 13 , and the beam The bottom plate 14 is enclosed by the reinforcing rib plates A103 disposed on both sides of the beam body 10; in this embodiment, preferably, the beam body 10 and the reinforcing rib assembly A100 disposed on the beam body 10 are integrally cast and formed, and the beam body 10 It is preferably made of metal alloy material, and can be made of gray cast iron; in this embodiment, the beam body 10 and the reinforcing rib assembly A100 arranged on the beam body 10 are integrally cast and formed, and can also be formed by other methods, such as the front of the beam After the plate 11 and the first reinforcing rib 101 are integrally cast and formed, they are then welded and connected with other structures; in this embodiment, the beam bottom plate 14 is an arched structure with an upwardly protruding middle part, that is, from the front, the lower part of the gantry beam The arched structure reduces the weight of the gantry beam and improves the stress of the beam body 10 at the same time.

One of the preferred solutions in this embodiment is: a plurality of first grooves 131 are arranged on the outer side of the beam top plate 13 at intervals, and the first grooves 131 are provided with first weight-reducing holes 132; the beam back plate 12 A plurality of second grooves 121 are spaced on the outer side, and each of the second grooves 121 is provided with a second weight reduction hole 122 ; the first weight reduction hole 132 and the second weight reduction hole 122 on the beam body 10 of this embodiment , can greatly reduce the weight of the casting, improve the self-weight of the gantry beam, at the same time, set the first groove 131 on the beam top plate 13 and set the second groove 121 on the beam back plate 12, which can greatly reduce the impact on the beam top plate 13 and the beam. Post-processing of the backplane 12 .

One of the preferred solutions in this embodiment is: the column body 20 includes a left side plate, a right side plate, a column front plate 21, a column back plate 22, a column bottom plate 23 and a column top plate 24, the left side plate, the right side plate , the column front plate 21 , the column back plate 22 , the column bottom plate 23 and the column top plate 24 are enclosed to form the column body 20 .

In this embodiment, preferably, the column body 20 and the reinforcing rib assembly B200 disposed on the column body 20 are integrally cast and formed, and the column body 20 is preferably made of a metal alloy material, and can be made of gray cast iron; this embodiment The column body 20 and the reinforcing rib assembly B200 disposed on the column body 20 are integrally cast and formed, and can also be formed by other methods such as welding, screw connection, and the like.

One of the preferred solutions in this embodiment is: the column bottom plate 23 is provided with a first mounting hole 231, the first mounting hole 231 is arranged on the upper side of the column bottom plate 23, the left side plate, the right side plate, the column front plate 21 and the lower part of the column back plate 22 are recessed with a number of first installation slots 232 matching the first installation holes 231; the first installation holes 231 in this embodiment are threaded holes, and the column base plate 23 can be fixed by bolts On the bed of the gantry CNC machine tool, the bolts can be prevented from being exposed on the outside of the column body 20 through the first installation groove 232;

In this embodiment, the column top plate 24 is further provided with a second installation hole 241, and the left side plate, the right plate, the column front plate 21 and the column back plate 22 are recessed with a number equal to the number of the second The mounting holes 241 are matched with the second mounting grooves 242 . In this embodiment, the lower ends of the beam body 10 are further provided with a fixed mounting seat 17 matching the second mounting hole 241 , and the fixed mounting seat 17 is provided with a fourth mounting hole matching the second mounting hole 241 , it can be understood that the second installation hole 241 and the fourth installation hole are both threaded holes, and the beam body 10 can be installed on the column body 20 by bolting the fourth installation hole and the second installation hole 241. The two installation grooves 242 can prevent the bolts from being exposed on the outside of the column body 20 .

One of the preferred solutions of the present invention is: the reinforcing foot assembly 30 includes a front foot 31, and the front foot 31 is arranged at the lower part of the front side of the front plate 21 of the column. It is connected with the column body 20 by means of connection or the like; the gantry frame of this embodiment is specific, the lower part of the beam body 10 is provided with a fixed mounting seat 17 on the left and right, and the fixed mounting seat 17 is connected with the column body 20 on both sides of the gantry CNC machine bed. For connection, the two faces of the two opposite column bodies 20 in this embodiment are the front sides of the column body 20, that is, the front plate of the column body 20, and the front feet 31 in this embodiment are arranged on the lower part of the front side of the column front plate 21, The overall shape of the column on the gantry is L-shaped to facilitate its connection with the machine bed and the beam body 10 .

In this embodiment, the reinforcing foot assembly 30 further includes a mounting frame 32 and a plurality of reinforcing pieces 33. The mounting frame 32 is arranged on the front part of the front foot 31. In this embodiment, the mounting frame 32 is preferably arranged on the front of the front foot 31 by bolting. The front part of the front foot 31 can also be disposed on the front part of the front foot 31 by welding, integral molding, etc.; the reinforcing pieces 33 are arranged at intervals on the upper part of the front foot 31 and the lower part of the reinforcing piece 33 is fixedly connected with the front foot 31 , one side of the reinforcing member 33 is fixedly connected with the mounting frame 32; the mounting frame 32 is provided with a third mounting hole 321; The right-angled side of the 31 is fixedly connected with the front foot 31, and other methods such as welding can be selected for connection, and the right-angled side of the side is fixedly connected with the mounting frame 32, and at the same time, the mounting frame 32 can be connected with the front of the front foot 31 by welding or screw connection; The third installation hole 321 in this embodiment is preferably a threaded installation hole, in order to facilitate the connection with the processing table of the gantry CNC machine tool, it can be understood that there are fifth installation holes matching the third installation hole 321 on both sides of the processing table , the fixed connection with the machine tool can be realized by bolting.

One of the preferred solutions in this embodiment is: the top plate 13 of the beam is provided with a second mounting seat 133 for moving the body 10 of the beam; further, the front plate 11 of the beam and the back plate 12 of the beam are provided with perforations 15 for the beam. The effect of the second mounting seat 133 and the beam perforation 15 on the beam front plate 11 and the beam back plate 12 is to facilitate the movement of the gantry beam, when the beam body 10 is processed in the early stage, it is carried out by the second mounting seat 133. Movement, that is, the second mounting seat 133 is provided with a threaded hole, which can be moved by screwing with an external moving device. Later, due to the installation of other components on the beam body 10, the overall weight of the gantry beam becomes heavier. , in order to move the gantry beam, and later to install it on the column body 20, it is realized through the beam perforation 15. For example, the gantry beam can be moved through the beam through the beam perforation 15 through the hanging rope.

One of the preferred solutions in this embodiment is that: the side and top of the beam body 10 are provided with wire openings 16;

Similarly in this embodiment: the side of the column body 20 is provided with a first column through hole 25 and a second column through hole 26 for moving the column body 20 and wiring, and the first column through hole 25 is provided in the column body 20, the second column through-hole 26 is provided at the lower end of the side of the column body 20; the first column through-hole 25 and the second column through-hole 26 are for the convenience of moving the column body 20, and to achieve pipe and threading and so on.

One of the preferred solutions in this embodiment is: the left side plate, the right side plate, and the column back plate 22 are concave inward to form a groove structure, and the left side plate or the right side plate is provided with a first mounting portion 27, so The back plate is provided with a second mounting portion 28; in this embodiment, the left side plate, the right side plate, and the column back plate 22 are concave to form a groove structure, which is to facilitate its processing. A first mounting portion 27 is provided on the groove structure on the side plate, a second mounting portion 28 is provided on the groove structure of the column back plate 22, the groove structure on the left or right plate, and the groove on the column back plate 22 The upper part of the structure is protruded with a mounting part. The thickness of the mounting part is generally about 5mm. By drilling threaded holes on the mounting part, it can be used to fix other structural components. In this embodiment, the first mounting part 27 is used to fix the wiring box or For other components, the second mounting portion 28 is used to fix the tool magazine assembly or other components.

One of the preferred solutions of the present invention is: the front side of the beam front plate 11 is provided with slide rails 111. One end of the front side of the front plate 11 is provided with a bearing mounting portion 112, and the bearing mounting portion 112 is used for mounting the bearing seat, and the other end of the front side of the beam front plate 11 is provided with a motor mounting portion 113, and the motor mounting portion 113 is used for mounting the motor seat; That is, in this embodiment, the spindle box on the gantry CNC machine tool is slidably connected to the above-mentioned slide rail 111 through the slider, the bearing mounting portion 112 is connected with the mounting motor seat and is provided with a screw rod, and the spindle box is connected to the screw rod through the screw nut. Connected, driven by the motor, the spindle box can move left and right on the front plate 11 of the beam;

Further, in this embodiment, the front side of the beam front plate 11 is provided with a first mounting seat 114 that cooperates with each other for fixing the spindle box, and the left and right sides of the middle of the front side of the beam front plate 11 in this embodiment are provided with first mounting seats. 114. When the headstock is arranged on the front plate 11 of the beam, the headstock will inevitably move during transportation. In order to prevent it from moving, the headstock and the first mounting seat 114 are threadedly connected through the L-shaped connecting plate. In this way, the headstock can be fixed.

In this embodiment, the beam back plate 12 is provided with a third mounting seat 123 for installing the ladder; the gantry CNC machine tool, due to its relatively tall overall structure, needs to use the ladder to operate its upper structure, so , The gantry CNC machine tool is generally provided with a ladder to facilitate the staff to get on and off the gantry CNC machine tool. Therefore, the ladder can be fixed on the third mounting seat 123 by means of screw assemblies, welding, etc.

The above descriptions are only the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Under the inventive concept of the present invention, the equivalent structural transformations made by the contents of the description and drawings of the present invention, or the direct/indirect application Other related technical fields are included in the scope of patent protection of the present invention.

Claims (15)

1. A gantry CNC machine tool frame, comprising a beam body and a column body, the beam body is arranged on the upper part of the column body, and the beam body and the column body are both cavity structures; it is characterized in that: The beam body is provided with a reinforcing rib assembly A, and the reinforcing rib assembly A includes: first reinforcing ribs arranged along the length direction of the beam body on the front wall of the inner cavity of the beam body; and arranged in the beam body along the length direction of the beam body the second reinforcing ribs of the upper wall, the lower wall and the rear wall of the cavity; the reinforcing rib plates A that are arranged at intervals in the inner cavity of the beam body and are connected to the front wall, the rear wall, the upper wall and the lower wall of the inner cavity of the beam body; A reinforcing rib assembly B is arranged in the column body, and the reinforcing rib assembly B includes: a third reinforcing rib arranged on the inner side wall of the column body; a reinforcing rib plate B arranged at intervals along the height direction of the column body; and also includes reinforcing feet assembly, the reinforcing foot assembly is arranged on the lower part of the outer side of the column body. 2. A gantry CNC machine tool frame according to claim 1, characterized in that: the beam body comprises a beam front plate, a beam back plate, a beam top plate and a beam bottom plate, the beam front plate, the beam back plate, the beam The top plate, the bottom plate of the beam and the reinforcing rib plates A arranged on both sides of the body of the beam are enclosed; the bottom plate of the beam is an arched structure with an upward convex in the middle. 3. A gantry CNC machine tool frame according to claim 2, characterized in that: first grooves are provided at intervals on the outer side of the top plate of the beam, and first weight reduction holes are provided on the first grooves; Second grooves are arranged at intervals on the outer side of the back plate of the beam, and second weight reduction holes are arranged on the second grooves. 4. A gantry CNC machine tool frame according to claim 1, wherein the column body comprises a left side plate, a right side plate, a column front plate, a column back plate, a column bottom plate and a column top plate, and the left column The side plate, the right side plate, the front plate of the column, the back plate of the column, the bottom plate of the column and the top plate of the column are enclosed to form the column body. 5. A gantry CNC machine tool frame according to claim 4, characterized in that: the bottom plate of the column is provided with a first mounting hole, and the lower part of the left plate, the right plate, the front plate of the column and the back plate of the column A number of first installation grooves matched with the first installation holes are recessed inside. 6 . The gantry CNC machine tool frame according to claim 5 , wherein a second mounting hole is provided on the top plate of the column, and the upper part of the left plate, the right plate, the front plate of the column and the back plate of the column A number of second installation grooves matched with the second installation holes are recessed inside. 7 . The gantry CNC machine tool frame according to claim 4 , wherein the reinforcing foot assembly comprises a front foot, and the front foot is arranged on the lower part of the front side of the front plate of the column. 8 . 8 . The gantry CNC machine tool frame according to claim 7 , wherein the reinforcing foot assembly further comprises a mounting frame and a plurality of reinforcing pieces, and the mounting frame is arranged on the front part of the front foot; The parts are arranged at intervals on the upper part of the front foot, the lower part of the reinforcing part is fixedly connected with the front foot, and a side part of the reinforcing part is fixedly connected with the installation frame; the installation frame is provided with a third installation hole. 9 . The gantry CNC machine tool frame according to claim 1 , wherein the first reinforcing rib is in a rice-shaped shape, and the adjacent first reinforcing ribs are connected; the reinforcing rib plate A and the The reinforcing rib plates B are all X-shaped rib plates, and the side portions of the reinforcing rib plates B are respectively connected with the inner side walls of the column body. 10 . The gantry CNC machine tool frame according to claim 2 , wherein the cross-beam front plate and the cross-beam back plate are provided with cross-beam perforations. 10 . 11 . The gantry CNC machine tool frame according to claim 10 , wherein the side part and the top of the beam body are provided with wiring openings. 12 . 12 . The gantry CNC machine tool frame according to claim 1 , wherein the side of the column body is provided with a first column through hole and a second column through hole for moving the column body and wiring, and the first column through hole is provided. 13 . A column through hole is arranged on the upper end of the side portion of the column body, and the second column through hole is arranged at the lower end of the side portion of the column body. 13. A gantry CNC machine tool frame according to claim 4, wherein the left side plate, the right side plate and the column back plate are concave inward to form a groove structure, and the left side plate or the right side plate A first installation part is arranged on the upper part, and a second installation part is arranged on the back plate of the column. 14. A gantry CNC machine tool frame according to claim 2, characterized in that: the front side of the front plate of the beam is provided with a sliding rail, one end of the front side of the front plate of the beam is provided with a bearing installation part, and the front side of the front plate of the beam is provided with a bearing installation part. The other end is provided with a motor mounting part; the front side of the front plate of the beam is provided with a first mounting seat that cooperates with each other for fixing the spindle box; the top plate of the beam is provided with a second mounting seat that is convenient for moving the beam body; the back of the beam The board is provided with a third mounting seat for mounting the ladder. 15 . The gantry CNC machine tool frame according to claim 6 , wherein the lower ends of the beam body are provided with fixed mounting seats matching the second mounting holes. 16 .

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