CN215846883U - High stability gantry numerical control machine tool equipment - Google Patents

Abstract

The utility model discloses high-stability gantry numerical control machine tool equipment, which comprises a gantry machine tool main body, a bearing table and a control system, wherein two ends of the bottom of the gantry machine tool main body are in transmission connection with a linear driving mechanism; the top end of the bearing table is connected with a pair of clamping assemblies in a sliding mode in the front-back direction, the bearing table is separated from a moving part of a machine tool, a certain gap is reserved between the bearing table and the moving part, vibration generated by the machine tool during movement can be isolated, and the supporting stability of the bearing table is improved; set up a pair of centre gripping subassembly on the plummer, the sliding block on this centre gripping subassembly can be followed left right direction slide adjusting, makes both can carry out the dislocation centre gripping, and the flexibility of adjusting is higher relatively, and it is also convenient relatively to operate.

Description

High stability gantry numerical control machine tool equipment

Technical Field

The utility model relates to the field of machine tool equipment, in particular to high-stability gantry numerical control machine tool equipment.

Background

The gantry machine tool is a machine tool with a main shaft axis perpendicular to a workbench, and has an integral structure of a gantry frame, a double-column and a top beam, and a cross beam in the middle. The method is suitable for processing large workpieces and workpieces with complex shapes.

At present, the motion and processing parts of a machine tool are mostly arranged on a bearing table to be integrated into a whole in the mainstream small-sized gantry numerical control machine tool, and the vibration generated by the motion part of the machine tool in the using process of the structure can be directly transmitted to the bearing table, so that the stability of the parts to be processed on the bearing table is influenced; meanwhile, in the aspect of clamping of the bearing table, the traditional bearing table needs to be fixed by means of an external clamp, and the clamping position is not flexible enough to adjust.

Therefore, how to solve the defects of the prior art is a subject of the present invention.

Disclosure of Invention

In order to solve the problems, the utility model discloses high-stability gantry numerical control machine tool equipment.

In order to achieve the above purpose, the utility model provides the following technical scheme: a high-stability gantry numerical control machine tool device comprises a gantry machine tool main body, a bearing table and a control system, wherein two ends of the bottom of the gantry machine tool main body are in transmission connection with a linear driving mechanism;

the utility model discloses a lead screw, including bearing platform, clamping assembly, bearing platform, support, slide support bar, lead screw, the both ends of lead screw rotate respectively to be connected in two on the support, the top of bearing platform has a pair of centre gripping subassembly along fore-and-aft direction sliding connection, clamping assembly includes a pair of support of following left right direction interval arrangement, the bottom surface of bearing platform corresponds a linear actuator who is connected rather than looks transmission is installed to the support, is connected with the three slide support bar that is triangle-shaped and arranges between these two supports, the sliding sleeve is equipped with the sliding block on the slide support bar, the lateral part of sliding block wears to be equipped with the lead screw through the screw thread, the both ends of lead screw rotate respectively and connect in two on the support, the bottom surface of bearing platform is provided with a grating board, the top surface of this grating board and the bottom surface welded connection of bearing platform, the equipartition has a plurality of grating holes on the grating board.

In the above scheme, the sliding block is connected with a pressing block in a sliding manner along the vertical direction, the pressing block is provided with a vertically arranged adjusting screw rod in a penetrating manner, two ends of the adjusting screw rod are connected to the sliding block in a rotating manner, the pressing blocks on the sliding block are horizontally arranged oppositely, and the pressing blocks protrude out of the sliding block.

In the above scheme, the outer side wall of the pressing block is concavely provided with a limiting groove, and the limiting groove is V-shaped.

In the scheme, the electromagnet is arranged in the grid hole of the grid plate, and the upper end part of the electromagnet is attached to the bottom surface of the bearing table.

In the above scheme, the driving motor is installed on the outer side of the support, and the lead screw is in transmission connection with the power output shaft of the driving motor.

Compared with the prior art, the utility model has the following advantages: the bearing table is separated from the moving part of the machine tool, and a certain gap is reserved between the bearing table and the moving part, so that the vibration generated by the machine tool during movement can be isolated, and the support stability of the bearing table is improved; the bearing table is provided with a pair of clamping components, and sliding blocks on the clamping components can be adjusted in a sliding mode along the left-right direction, so that the clamping components and the bearing table can be clamped in a staggered mode, the adjustment flexibility is relatively high, and the operation is relatively convenient; in addition, the bottom end of the bearing platform is connected with a grid plate, a plurality of grid holes are uniformly distributed on the grid plate, the grid plate can further improve the rigidity of the bearing platform, the bending deformation caused by overlarge local stress in the using process is avoided, and meanwhile, the whole weight of the bearing platform can be further reduced due to the arrangement of the grid holes.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a bottom view of FIG. 1;

fig. 3 is a partially enlarged view of fig. 2.

List of reference numerals: the device comprises a 100 gantry machine tool body, a 200 bearing table, a 300 clamping assembly, a 301 support, a 302 sliding support rod, a 303 sliding block, a 304 lead screw, a 305 linear driver, a 306 grid plate, a 307 pressing block, a 308 adjusting lead screw, a 361 electromagnet and a 371 limiting groove.

Detailed Description

The present invention will be further illustrated below with reference to specific embodiments, which are to be understood as merely illustrative and not limitative of the scope of the present invention. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Example (b): referring to fig. 1-3, a high-stability gantry numerical control machine tool device comprises a gantry machine tool main body 100, wherein both ends of the bottom of the gantry machine tool main body 100 are in transmission connection with a linear driving mechanism, the linear driving mechanism is an electric lead screw linear driving mechanism, and both ends of the bottom of the gantry machine tool main body 100 are respectively connected with sliding blocks of two electric lead screw linear driving mechanisms and driven by the two electric lead screw linear driving mechanisms to synchronously move;

the gantry type lathe further comprises a bearing table 200, wherein the bearing table 200 is horizontally arranged between the two linear driving mechanisms and is positioned below the gantry type lathe main body 100, and a gap is reserved between the side edge of the bearing table 200 and the linear driving mechanisms;

the top end of the bearing table 200 is connected with a pair of clamping assemblies 300 in a sliding manner along the front-back direction, each clamping assembly 300 comprises a pair of supports 301 arranged at intervals along the left-right direction, and the supports 301 are connected with the side edge of the top of the bearing table 200 in a sliding manner through a slide block guide rail mechanism;

the bottom surface of the bearing table 200 is provided with a linear driver 305 corresponding to the support 301 and in transmission connection with the support, the linear driver 305 also uses an electric lead screw linear driving mechanism, and the side part of the slide block of the linear driver 305 is connected with one of the two supports 301 in each clamping assembly 300 through a connecting plate so as to drive the linear driver to move along a straight line;

three sliding support rods 302 which are arranged in a triangular shape are connected between the two supports 301, sliding blocks 303 are slidably sleeved on the sliding support rods 302, lead screws 304 penetrate through the side parts of the sliding blocks 303 through threads, two ends of each lead screw 304 are respectively and rotatably connected to the two supports 301, the three sliding support rods 302 are arranged on the outer sides of the lead screws 304, a sliding support effect is achieved, and the phenomenon that when the sliding blocks 303 are subjected to overlarge stress, the lead screws 304 are bent to influence the movement of the sliding blocks 303 is avoided;

the bottom surface of the bearing table 200 is provided with a grid plate 306, the top surface of the grid plate 306 is welded with the bottom surface of the bearing table 200, and a plurality of grid holes are uniformly distributed on the grid plate 306;

in the working process, a part to be processed is placed between the two sliding blocks 303, and the two sliding blocks 303 are driven to mutually approach and press against the part through the linear driver 305 to clamp and fix the part; the rotating screw 304 can drive the sliding blocks 303 to slide in the front-back direction on the sliding support rod 302, so that the two sliding blocks 303 are dislocated to avoid the fragile parts of some parts, and the parts are dislocated and clamped; the grid plate 306 connected with the bottom end of the bearing table 200 is evenly provided with a plurality of grid holes, the grid plate 306 can further improve the rigidity of the bearing table 200, the bending deformation caused by overlarge local stress in the using process is avoided, and meanwhile, the whole weight of the bearing table can be further reduced due to the arrangement of the grid holes.

In order to further improve the flexibility of the sliding blocks 303 for clamping parts, a pressing block 307 is connected to the sliding blocks 303 in a sliding manner along the vertical direction, a vertically arranged adjusting screw 308 penetrates through the pressing block 307, two ends of the adjusting screw 308 are rotatably connected to the sliding blocks 303, the pressing blocks 307 on the two sliding blocks 303 are horizontally arranged oppositely, and the pressing blocks 307 protrude out of the sliding blocks 303; when the clamping device is used specifically, the pressing block 307 on the sliding block 303 can be used for clamping a part, and the height position of the pressing block 307 can be adjusted by rotating the adjusting screw 308, so that the clamping height of the part can be adjusted.

In order to further improve the stability of the pressing block 307 when clamping the part, a limiting groove is concavely arranged on the outer side wall of the pressing block 307, the limiting groove is in a V shape, and the part can be clamped in the limiting groove for further limiting during clamping.

The electromagnet 361 is arranged in the grid hole of the grid plate 306, the upper end part of the electromagnet 361 is attached to the bottom surface of the bearing table 200, when some iron parts are processed, iron filings generated by the electromagnet 361 can be scattered everywhere, certain magnetic attraction is generated through the electromagnet 361, and the iron filings can be adsorbed on the bearing table 200 and are preliminarily fixed.

In order to automatically drive the lead screw 304 to rotate, a driving motor is installed on the outer side of the support 301, and the lead screw 304 is in transmission connection with a power output shaft of the driving motor through a coupling.

The technical means disclosed in the utility model scheme are not limited to the technical means disclosed in the above embodiments, but also include the technical scheme formed by any combination of the above technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and such improvements and modifications are also considered to be within the scope of the present invention.

Claims (5)

1. The utility model provides a high stability longmen digit control machine tool equipment, includes longmen lathe main part (100), the equal transmission in bottom both ends of this longmen lathe main part (100) is connected on a linear drive mechanism, its characterized in that: the gantry type machining center also comprises a bearing table (200), wherein the bearing table (200) is horizontally arranged between the two linear driving mechanisms and is positioned below the gantry type machine tool main body (100), and a gap is reserved between the side edge of the bearing table (200) and the linear driving mechanisms;

the top end of the bearing table (200) is connected with a pair of clamping components (300) in a sliding way along the front and back direction, the clamping assembly (300) comprises a pair of supports (301) arranged at intervals along the left-right direction, a linear driver (305) in transmission connection with the support (301) is arranged on the bottom surface of the bearing table (200) corresponding to the support, three sliding support rods (302) which are arranged in a triangle shape are connected between the two supports (301), a sliding block (303) is sleeved on the sliding support rod (302) in a sliding manner, a lead screw (304) is arranged on the side part of the sliding block (303) in a penetrating manner through a thread, two ends of the lead screw (304) are respectively and rotationally connected with the two supports (301), the bottom surface of the bearing platform (200) is provided with a grid plate (306), the top surface of the grid plate (306) is connected with the bottom surface of the bearing table (200) in a welding way, and a plurality of grid holes are uniformly distributed on the grid plate (306).

2. The high-stability gantry numerical control machine tool equipment according to claim 1, wherein: the sliding block (303) is connected with a pressing block (307) in a sliding mode along the vertical direction, a vertically arranged adjusting screw rod (308) penetrates through the pressing block (307), two ends of the adjusting screw rod (308) are connected to the sliding block (303) in a rotating mode, the pressing blocks (307) on the two sliding blocks (303) are horizontally arranged oppositely, and the pressing blocks (307) protrude out of the sliding block (303).

3. The high-stability gantry numerical control machine tool equipment according to claim 2, wherein: the outer side wall of the pressing block (307) is concavely provided with a limiting groove, and the limiting groove is V-shaped.

4. The high-stability gantry numerical control machine tool equipment according to claim 1, wherein: an electromagnet (361) is arranged in a grid hole of the grid plate (306), and the upper end part of the electromagnet (361) is attached to the bottom surface of the bearing table (200).

5. The high-stability gantry numerical control machine tool equipment according to claim 1, wherein: and a driving motor is installed on the outer side of the support (301), and the lead screw (304) is in transmission connection with a power output shaft of the driving motor.

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