CN222404373U - Five vertical machining centers - Google Patents

Abstract

The utility model discloses a five-axis vertical machining center, which aims to solve the problem that the workbench cannot be designed to be too large, resulting in a small load-bearing capacity, which affects the machining accuracy. The key points of its technical solution are: it includes a base, a column, a workbench, a saddle, a machine head, and a rotary workbench installed on the workbench, a roller linear rail is arranged between the workbench and the saddle, and a slider for abutting the saddle is arranged on the side of the workbench close to the saddle. The utility model effectively alleviates the problem that the existing five-axis vertical machining center has a small load-bearing capacity and affects the machining accuracy through the roller linear rail. At the same time, a slider for abutting the saddle is arranged on the side of the workbench close to the saddle. The slider is used to increase the contact between the workbench and the saddle, effectively enhancing the support, improving the load-bearing capacity, and further improving the machining accuracy.

Description

Five vertical machining centers

Technical Field

The utility model relates to the field of five-axis vertical machining equipment, in particular to a five-axis vertical machining center.

Background

The existing five-axis machining center comprises a vertical type machining center and a horizontal type machining center, wherein the five-axis vertical type machining center has the advantages that the structure of a main shaft is simple, the rigidity of the main shaft is very good, and the manufacturing cost is low, but a workbench cannot be designed to be too large, so that the bearing is small, and the machining precision is affected.

New solutions are therefore required to address this problem.

Disclosure of utility model

Aiming at the defects existing in the prior art, the utility model aims to solve the problems and provide a five-axis vertical machining center.

The five-axis vertical machining center comprises a base, an upright post, a workbench, a saddle, a machine head and a rotary workbench arranged on the workbench, wherein a roller linear rail is arranged between the workbench and the saddle, and a sliding block for abutting against the saddle is arranged on one side, close to the saddle, of the workbench.

The utility model is further characterized in that the sliding blocks are symmetrically arranged on two sides of the roller linear rail.

The utility model is further characterized in that a plurality of reinforcing ribs are arranged on one side of the workbench, which is close to the saddle.

The utility model further provides that the saddle is integrally molded and cast, and the saddle is provided with an X-axis motor placement area and an X-axis tailstock bearing seat.

The utility model is further characterized in that cavities are arranged in the base and the upright post, through holes communicated with the outside are formed in the base and the upright post, and shielding pieces are correspondingly arranged at the positions of the through holes.

The utility model is further provided with auxiliary ribs at positions of the base corresponding to the Y-axis motor and the Y-axis tailstock bearing seat tailstock.

The utility model further provides that chip grooves are integrally formed on two sides of the base.

The utility model further provides that the upright post is integrally molded and cast, and the upright post is provided with the Z-axis motor bearing seat.

The utility model further provides that the machine head is integrally molded and cast, and the central line position of the main shaft of the machine head and the Z-axis track position are symmetrically arranged.

The utility model is further arranged that the plane of the workbench is of an inverted V-shaped structure, and the section of the inverted V-shaped structure along the Y axis is of a V shape.

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

Firstly, by adopting a transmission mode of a roller linear rail, the roller linear rail has the characteristics of high precision, high rigidity, low friction and long service life, and the problems that the existing five-axis vertical machining center is small in bearing and affects machining precision are effectively solved by utilizing the characteristics of high precision and high rigidity;

Secondly, the sliding blocks are utilized to increase the contact between the workbench and the saddle, so that the supporting performance is effectively enhanced, the bearing capacity is improved, the distance between the sliding blocks is effectively shortened by arranging a plurality of sliding blocks, the workpiece bearing capacity is averagely shared, the load is improved, the consumption is reduced, the problems of suspending and deforming the workbench are avoided, and the processing precision is further improved;

Thirdly, the whole rigidity of the workbench is enhanced by arranging the reinforcing ribs, the whole weight of the workbench is effectively controlled, and the problem of the load of an X-axis motor is solved;

Fourth, the saddle is integrally molded and cast, so that the rigidity of the casting during axial movement is greatly improved, the durability is good, shaking is not easy to occur, and the machining precision is improved;

Fifthly, vibration reduction materials are injected into the cavity, then the through holes are plugged through the shielding piece, overflow of the vibration reduction materials is avoided, the weight of the base and the upright post is effectively increased through the vibration reduction materials, the gravity center is reduced, when the five-axis vertical machining center vibrates, the vibration reduction materials in the shielding piece can absorb and disperse the vibration of the five-axis vertical machining center, so that the integral vibration of the five-axis vertical machining center is reduced, the vibration generated by machining is effectively eliminated, and the machining precision of the five-axis vertical machining center is improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is a schematic view of a structure of a workbench;

Fig. 4 is a schematic structural view of the saddle.

The device comprises the following components of a base, a column, a working table, a saddle, a machine head, a rotary working table, a roller line rail, a roller, a reinforcing rib, an X-axis motor placing area, an X-axis tail seat bearing seat, a Y-axis tail seat bearing seat, a cavity, a through hole, a shielding piece, an auxiliary rib, a tail groove, a Z-axis motor bearing seat, a dust removing groove, a Z-axis motor bearing seat and a roller line rail.

Detailed Description

In the following description of the present utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model, and it is obvious that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples:

The five-axis vertical machining center comprises a base 1, an upright post 2, a workbench 3, a saddle 4, a machine head 5 and a rotary workbench 6 arranged on the workbench 3, wherein the rotary workbench 6 adopts a precise numerical control rotary workbench 6, the precise numerical control rotary workbench 6 has the advantages of high precision, high rigidity, stability and reliability and convenience in operation, a roller wire rail 7 is arranged between the workbench 3 and the saddle 4, the roller wire rail 7 has the characteristics of high precision, high rigidity, low friction and long service life, the problems that the existing five-axis vertical machining center is small in bearing and influences machining precision are effectively relieved by utilizing the characteristics of high precision and high rigidity, meanwhile, a sliding block 8 used for abutting against the saddle 4 is arranged on one side of the workbench 3 close to the saddle 4, the contact between the workbench 3 and the saddle 4 is increased by utilizing the sliding block 8, the supporting property is effectively enhanced, the bearing is improved, and the machining precision is further improved.

The sliding blocks 8 are provided with a plurality of, the bearing is effectively improved by increasing the number of the sliding blocks 8, the distance between the sliding blocks 8 is effectively shortened, so that the bearing of workpieces is averagely shared, the load is improved, the consumption of the grinding is reduced, the symmetrical rollers are symmetrically arranged on two sides of the roller linear rail 7, the problems of suspending and deforming the workbench 3 are avoided, and the processing precision is further improved.

The one side that workstation 3 is close to saddle 4 still is equipped with a plurality of strengthening ribs 9, utilizes strengthening rib 9 reinforcing workstation 3 whole rigidity, improves the bearing, and the operation that improves the bearing through thickening workstation 3 simultaneously relatively has now, effectively reduces workstation 3 weight, reduces X axle motor load by a wide margin.

The saddle 4 is integrated into one piece casting, is provided with X axle motor and places district X10 and X axle tailstock bearing frame X11 on the saddle 4, under the normal use of guaranteeing saddle 4, improves the rigidity of foundry goods when axial displacement by a wide margin, and the durability is good, be difficult for producing and rock, further improves the machining precision.

The base 1 and the upright post 2 are both internally provided with the cavity 12, and the base 1 and the upright post 2 are both provided with through holes 13 communicated with the outside, a plurality of shielding pieces 14 are arranged in the cavity 12, vibration reduction materials are injected into the cavity 12, then the through holes 13 are blocked through the shielding pieces 14, the vibration reduction materials are prevented from overflowing, the weight of the base 1 and the upright post 2 is increased through the vibration reduction materials, the gravity center is reduced, the stability of the integral structure is effectively improved, and when the five-axis vertical machining center vibrates, the vibration reduction materials can absorb and disperse the vibration of the five-axis vertical machining center, so that the integral vibration of the five-axis vertical machining center is reduced, the vibration generated by machining is effectively eliminated, and the machining precision of the five-axis vertical machining center is improved.

The damping material is a damping material, and has good capability of dissipating vibration energy, so that the effect of eliminating vibration is improved.

The positions of the base 1 corresponding to the Y-axis motor and the Y-axis tailstock bearing seat X11 are provided with auxiliary ribs 15, and the auxiliary ribs 15 are utilized to effectively inhibit thermal expansion caused by a screw rod during machining of a machine tool, so that the repeated positioning precision of the machine tool is improved.

Chip grooves 16 are integrally formed on two sides of the base 1, rigidity is greatly improved through integral forming, a bearing surface is widened and enlarged, and optimal dynamic horizontal precision is effectively maintained.

The stand 2 is integrated into one piece casting, is provided with Z axle motor bearing frame Z17 on the stand 2, improves rigidity by a wide margin through integrated into one piece, and the rib arrangement mode is with perpendicular and parallel collocation, and inside rib distribution density is high, and it is higher than current parallel arrangement intensity, and processing is smoother, stability is stronger.

The machine head 5 is integrally molded and cast, so that the structural rigidity is greatly improved, the resonance and thermal change influence caused by machining is effectively prevented, the cutting rigidity is enhanced, the central line position of the main shaft of the machine head 5 and the Z-axis track position are symmetrically arranged, the generation of unbalanced moment is effectively eliminated, and the accuracy of micro-feeding and long-term machining precision are ensured.

The work bench 3 plane sets up to the type of falling V structure, and the type of falling V structure is the V type along Y axle cross-section, avoids the waste material to pile up, and the chip removal is effectual, simultaneously can be better cooperate with chip removal groove 16 of both sides, improves the chip removal effect.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (10)

1. A five-axis vertical machining center is characterized by comprising a base, an upright post, a workbench, a saddle, a machine head and a rotary workbench arranged on the workbench, wherein a roller linear rail is arranged between the workbench and the saddle, and a sliding block for abutting against the saddle is arranged on one side, close to the saddle, of the workbench.

2. The five-axis vertical machining center according to claim 1, wherein the sliding blocks are symmetrically arranged on two sides of the roller line rail.

3. The five-axis vertical machining center of claim 1, wherein a plurality of reinforcing ribs are further arranged on one side, close to the saddle, of the workbench.

4. The five-axis vertical machining center of claim 1, wherein the saddle is integrally molded and cast, and an X-axis motor placement area and an X-axis tailstock bearing seat are arranged on the saddle.

5. The five-axis vertical machining center of claim 1, wherein the base and the upright post are respectively internally provided with a cavity, the base and the upright post are respectively provided with a through hole communicated with the outside, and shielding pieces are correspondingly arranged at the positions of the through holes.

6. The five-axis vertical machining center of claim 5, wherein auxiliary ribs are arranged at positions of the base corresponding to the Y-axis motor and the Y-axis tailstock bearing seat tailstock.

7. The five-axis vertical machining center of claim 6, wherein junk slots are integrally formed in two sides of the base.

8. The five-axis vertical machining center according to any one of claims 5 to 7, wherein the upright post is integrally molded and cast, and a Z-axis motor bearing seat is arranged on the upright post.

9. The five-axis vertical machining center according to claim 1, wherein the machine head is integrally molded, and the center line position of the main shaft of the machine head is symmetrically arranged with the Z-axis track position.

10. The five-axis vertical machining center of claim 7, wherein the table plane is arranged in an inverted V-shaped structure, and the inverted V-shaped structure is V-shaped along the Y-axis section.