CN216151695U - Load adjusting mechanism for cross beam of machine tool - Google Patents

Abstract

The utility model discloses a load adjusting mechanism for a cross beam of a machine tool, which comprises a cross beam and is characterized in that a traditional machine tool cross beam load concentration area is arranged at the lower part of the left end of the cross beam, a load sharing area is arranged at the lower part of the left end of the cross beam, the load sharing area and the traditional machine tool cross beam load concentration area are jointly connected with a supporting plate in a sliding mode, a rectangular groove is formed in the middle of the left end of the supporting plate, a vertical plate is arranged on the inner wall of the rectangular groove, an inclined iron is arranged between the load sharing area and the supporting plate, a pressing plate is arranged at the upper end of the supporting plate and fixedly connected with the supporting plate through a plurality of screw rods, the plurality of screw rods are distributed in a rectangular array mode, and two machine tool cross beam load adjusting mechanisms which are symmetrical in the front-back mode are arranged at the right part of the upper end of the pressing plate.

Description

Load adjusting mechanism for cross beam of machine tool

Technical Field

The utility model relates to the technical field of adjustment of machine tool beams, in particular to a load adjusting mechanism of a machine tool beam.

Background

Machine tools are machines for manufacturing machines, also called machine tools or machine tools, which are conventionally referred to as machine tools for short. Generally, the machining method is divided into a metal cutting machine, a forging machine, a woodworking machine and the like. The methods for machining machine parts in modern machine manufacturing are numerous: in addition to cutting, casting, forging, welding, pressing, extruding, etc., however, in general, a part requiring high precision and fine surface roughness is finished by cutting on a machine tool. The machine tool plays an important role in the construction of national economy modernization.

The traditional machine tool beam has the load concentrated on the lower guide surface, the stress is not uniform, and the machine tool beam is easy to deform integrally, so that a machine tool beam load adjusting mechanism capable of adjusting the load difference of the upper guide surface and the lower guide surface of the machine tool beam is needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems, the utility model provides a load adjusting mechanism for a machine tool beam, the load of the traditional machine tool beam is concentrated on the lower guide surface, the load can be effectively shared by the upper guide surface of the beam through the load adjusting mechanism for the machine tool beam, the stress on the upper guide surface and the lower guide surface of the machine tool beam is uniform, and the integral deformation of the machine tool beam is reduced.

The technical scheme of the utility model is as follows:

the utility model provides a lathe crossbeam load adjustment mechanism, includes the crossbeam, its characterized in that, crossbeam left end lower part is provided with traditional lathe crossbeam load and concentrates the district, crossbeam left end lower part is provided with shares the load district, share the load district with the common sliding connection in traditional lathe crossbeam load concentrates the district has the layer board, the rectangular channel has been seted up at layer board left end middle part, the riser is installed to the rectangular channel inner wall, share and be provided with the sloping iron between load district and the layer board, the layer board upper end sets up the clamp plate, the clamp plate is through a plurality of screw rod and layer board fixed connection, a plurality of the screw rod is the rectangular array and distributes, the lathe crossbeam load adjustment mechanism of symmetry around two is installed to clamp plate upper end right part.

The working principle of the technical scheme is as follows:

machine tool crossbeam load adjustment mechanism, planker and clamp plate pass through screw rod fixed mounting, let whole adjustment mechanism slide along the linear guide of crossbeam upper end along with the planker, linear guide is at the upper rail upper end horizontal installation of machine tool crossbeam, the slider slides along linear guide, backup pad and slider fixed connection, make linear guide can bear the weight of planker, loosen the sloping iron, let the sloping iron face appear certain clearance, later loosen the bolt and twist the screw cap, make the nut rotate downwards, the nut drives the clamping ring and moves down simultaneously, make the clamping ring compress the dish spring, the planker can the rebound this moment, make lower rail face load reduce, let the gravity of partial planker shared by upper rail face, later stopper fixed sloping iron, tighten the bolt, whole accommodation process is accomplished promptly, two upper rail faces and lower rail face atress are even about the crossbeam, the whole deflection of crossbeam diminishes simultaneously.

In a further technical scheme, the load adjusting mechanism for the cross beam of the machine tool comprises a guide column, the guide column is installed inside a pressure plate, a nut is sleeved on the upper portion of the outer surface of the guide column, a bolt is arranged in the middle of the upper surface of the nut, and the bolt extends into the guide column.

The fixing of the guide post can be satisfied by arranging the bolt.

In a further technical scheme, the outer surface of the guide post is sequentially sleeved with a pressing ring, a disc spring and a supporting plate from top to bottom, and the pressing ring is arranged inside the end of the pressing plate.

The disc spring bears great load in a small space, compared with other types of springs, the disc spring has larger deformation energy per unit volume and good buffering and shock absorption capacity, and particularly has more remarkable effects of absorbing impact and dissipating energy due to the action of surface friction resistance when the disc spring is combined in a superposition mode.

In a further technical scheme, a lower guide rail surface is arranged at the left part of the upper end of the load concentration area of the beam of the traditional machine tool.

The lower guide surface can bear part of the pressure of the pallet.

In a further technical scheme, an upper guide rail surface is arranged at the left part of the upper end of the load sharing area, a linear guide rail is arranged at the upper end of the upper guide rail surface, and a sliding block is sleeved on the outer surface of the linear guide rail.

The sliding block is made of wear-resistant steel, has proper hardness and wear resistance, and can bear larger friction force.

In a further technical scheme, the supporting plate is fixedly connected with the sliding block.

The backup pad effect prevents that the fixed spare part of backup pad from deviating from the backup pad to bear the pressure of layer board, the backup pad has higher depth of parallelism, rigidity and intensity simultaneously.

The utility model has the beneficial effects that:

1. the lathe crossbeam load regulating mechanism, planker and clamp plate are fixed and installed through the threaded spindle, let the whole regulating mechanism slide along the linear guide rail of the upper end of crossbeam together with the planker, the linear guide rail is installed horizontally in the upper end of upper rail of the lathe crossbeam, the slide block slides along the linear guide rail, the shoe plate is fixedly connected with slide block, make the linear guide rail bear the weight of the planker, loosen the italic body, let the surface of the oblique iron present certain interval, then loosen the bolt and twist the nut, make the nut rotate downward, the nut drives the clamping ring to move downward at the same time, make the clamping ring compress the disc spring, the planker will move upward at this moment, make the surface load of lower rail reduce, let the upper rail share some gravity of planker, then plug and fix the oblique iron, tighten the bolt, the whole regulating process is finished, two upper rail surfaces and lower rail surfaces of crossbeam are stressed evenly, the crossbeam whole deflection diminishes at the same time;

2. the guide post can be fixed by arranging the bolt;

3. the disc spring bears great load in a small space, compared with other types of springs, the disc spring has larger deformation energy per unit volume and good buffering and shock absorption capacity, and particularly when the disc spring is combined in a superposition mode, the effect of absorbing impact and dispersing energy is more obvious due to the effect of surface friction resistance;

4. the lower guide surface can bear partial pressure of the supporting plate;

5. the sliding block is made of wear-resistant steel, has proper hardness and wear resistance, and can bear larger friction force;

6. the backup pad effect prevents that the fixed spare part of backup pad from deviating from the backup pad to bear the pressure of layer board, the backup pad has higher depth of parallelism, rigidity and intensity simultaneously.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a load adjustment mechanism for a cross beam of a machine tool according to an embodiment of the present invention;

FIG. 2 is an enlarged schematic view at A of an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a beam according to an embodiment of the present invention;

fig. 4 is a schematic view of the overall structure of the pallet according to the embodiment of the utility model.

Description of reference numerals:

1. a cross beam; 2. a machine tool beam load adjusting mechanism; 3. a support plate; 4. a load sharing area; 5. a beam load concentration area of a traditional machine tool; 6. a screw; 7. pressing a plate; 8. a vertical plate; 9. a rectangular groove; 10. a linear guide rail; 11. a lower guide surface; 12. an upper guide surface; 13. a slider; 14. a wedge; 21. a bolt; 22. a nut; 23. a guide post; 24. pressing a ring; 25. a disc spring; 26. and a support plate.

Detailed Description

The embodiments of the present invention will be further described with reference to the accompanying drawings.

Example (b):

as shown in fig. 1-4, a lathe crossbeam load adjustment mechanism, including crossbeam 1, its characterized in that, 1 left end lower part of crossbeam is provided with traditional lathe crossbeam load concentration district 5, 1 left end lower part of crossbeam is provided with load sharing district 4, load sharing district 4 with traditional lathe crossbeam load concentration district 5 common sliding connection has layer board 3, rectangular channel 9 has been seted up at layer board 3 left end middle part, riser 8 is installed to rectangular channel 9 inner wall, be provided with tapered iron 14 between load sharing district 4 and the layer board 3, layer board 3 upper end sets up clamp plate 7, clamp plate 7 is through a plurality of screw rod 6 and layer board 3 fixed connection, a plurality of screw rod 6 is the rectangular array and distributes, two symmetrical lathe crossbeam load adjustment mechanism 2 around the clamp plate 7 upper end right part is installed.

The working principle of the technical scheme is as follows:

a cross beam load adjusting mechanism of a machine tool, a carriage 3 and a pressure plate 7 are fixedly installed through a screw 6, the whole adjusting mechanism slides along a linear guide rail 10 at the upper end of a cross beam 1 along with the carriage 3, the linear guide rail 10 is horizontally installed at the upper end of an upper guide rail of the cross beam 1 of the machine tool, a slide block 13 slides along the linear guide rail 10, a support plate 26 is fixedly connected with the slide block 13, the linear guide rail 10 can bear the weight of the carriage 3, an inclined iron 14 is loosened, a certain gap appears on the surface of the inclined iron 14, then a bolt 21 is loosened, a screw cap 22 is screwed, the screw cap 22 drives a pressure ring 24 to move downwards, the pressure ring 24 compresses a disc spring 25, the carriage 3 moves upwards at the moment, the load of a lower guide rail surface 11 is reduced, an upper guide rail surface 12 shares part of the gravity of the carriage 3, then the inclined iron 14 is tightly plugged, the bolt 21 is screwed, the whole adjusting process is completed, the upper and lower guide rail surfaces 12 and the lower guide rail surfaces 11 of the cross beam 1 are uniformly stressed, and the overall deformation of the cross beam 1 is reduced.

Lathe crossbeam load adjustment mechanism 2 includes guide post 23, guide post 23 is installed inside clamp plate 7, guide post 23 surface upper portion cover has nut 22, nut 22 upper surface middle part is provided with bolt 21, inside bolt 21 extended to guide post 23, can satisfy the fixed of guide post 23 through setting up bolt 21.

The guide post 23 surface from the top down overlaps in proper order has clamping ring 24, dish spring 25 and backup pad 26, clamping ring 24 installs inside clamp plate 7 lower extreme, and dish spring 25 bears very big load in less space, and compared with other types of spring, the deformation ability of dish spring unit volume is great, has good buffering shock absorption ability, especially when adopting the coincide to combine, because surperficial frictional resistance effect, the effect of absorbing impact and dispersed energy is more showing.

The left part of the upper end of the traditional machine tool beam load concentration area 5 is provided with a lower guide surface 11, and the lower guide surface 11 can bear partial pressure of the supporting plate 3.

The left part of the upper end of the load sharing area 4 is provided with an upper guide rail surface 12, the upper end of the upper guide rail surface 12 is provided with a linear guide rail 10, the outer surface of the linear guide rail 10 is sleeved with a sliding block 13, and the sliding block 13 is made of wear-resistant steel, has proper hardness and wear resistance and can bear large friction force.

The supporting plate 26 is fixedly connected with the sliding block 13, the supporting plate 26 is used for preventing parts fixed by the supporting plate 26 from falling off the supporting plate 26 and bearing the pressure of the supporting plate 3, and meanwhile, the supporting plate 26 has high parallelism, rigidity and strength.

The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims (6)

1. The utility model provides a lathe crossbeam load adjustment mechanism, includes the crossbeam, its characterized in that, crossbeam left end lower part is provided with traditional lathe crossbeam load and concentrates the district, crossbeam left end lower part is provided with shares the load district, share the load district with the common sliding connection in traditional lathe crossbeam load concentrates the district has the layer board, the rectangular channel has been seted up at layer board left end middle part, the riser is installed to the rectangular channel inner wall, share and be provided with the sloping iron between load district and the layer board, the layer board upper end sets up the clamp plate, the clamp plate is through a plurality of screw rod and layer board fixed connection, a plurality of the screw rod is the rectangular array and distributes, the lathe crossbeam load adjustment mechanism of symmetry around two is installed to clamp plate upper end right part.

2. The load adjusting mechanism for the cross beam of the machine tool as claimed in claim 1, wherein the load adjusting mechanism for the cross beam of the machine tool comprises a guide post, the guide post is installed inside the pressure plate, a nut is sleeved on the upper portion of the outer surface of the guide post, a bolt is arranged in the middle of the upper surface of the nut, and the bolt extends into the guide post.

3. The load adjusting mechanism for the cross beam of the machine tool as claimed in claim 2, wherein a pressing ring, a disc spring and a supporting plate are sequentially sleeved on the outer surface of the guide post from top to bottom, and the pressing ring is installed inside the lower end of the pressing plate.

4. The load adjusting mechanism of a cross beam of a machine tool as claimed in claim 3, wherein the left part of the upper end of the load concentrating area of the cross beam of the conventional machine tool is provided with a lower guide surface.

5. The load adjusting mechanism for the cross beam of the machine tool as claimed in claim 4, wherein an upper guide surface is arranged at the left part of the upper end of the load sharing area, a linear guide rail is arranged at the upper end of the upper guide surface, and a slide block is sleeved on the outer surface of the linear guide rail.

6. The cross-machine-beam load adjustment mechanism of claim 5, wherein said support plate is fixedly attached to said slide.

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