阅读说明：本技术 数控龙门丝杠支撑结构 (Numerical control gantry lead screw supporting structure ) 是由 周鹏 于 2019-09-24 设计创作，主要内容包括：本发明涉及数控机床附属装置的技术领域,特别是涉及一种数控龙门丝杠支撑结构；其结构简单、安全系数高,制造成本更低；包括导轨、滑块和连接块,滑块上设置有滑槽,滑槽与导轨相契合,滑块可沿导轨滑动,连接块的底端与滑块的顶端连接,连接块上设置有“V”型槽,“V”型槽内固定设置有耐磨“V”型块。(The invention relates to the technical field of numerical control machine tool auxiliary devices, in particular to a numerical control gantry lead screw supporting structure; the structure is simple, the safety coefficient is high, and the manufacturing cost is lower; including guide rail, slider and connecting block, be provided with the spout on the slider, the spout agrees with the guide rail mutually, and the slider can be followed the guide rail and slided, and the bottom of connecting block is connected with the top of slider, is provided with "V" type groove on the connecting block, and "V" type inslot fixed is provided with wear-resisting "V" type piece.)

1. The numerical control gantry screw supporting structure is characterized by comprising a guide rail (1), a sliding block (2) and a connecting block (3), wherein a sliding groove is formed in the sliding block (2), the sliding groove is matched with the guide rail (1), the sliding block (2) can slide along the guide rail (1), the bottom end of the connecting block (3) is connected with the top end of the sliding block (2), a V-shaped groove is formed in the connecting block (3), and a wear-resistant V-shaped block (4) is fixedly arranged in the V-shaped groove.

2. The numerical control gantry lead screw support structure according to claim 1, wherein the sliding blocks (2), the connecting blocks (3) and the wear-resistant V-shaped blocks (4) are two groups, two groups of connecting rods (5) are arranged between the two groups of connecting blocks (3), threads are arranged at two ends of the two groups of connecting rods (5), two groups of through holes are arranged on the two groups of connecting blocks (3), the left ends and the right ends of the two groups of connecting rods (5) respectively pass through the two groups of through holes on the left connecting block and the right connecting block (3), nuts (6) are arranged at the left ends and the right ends of the two groups of connecting rods (5), and the two groups of connecting blocks (3) are respectively fixed at the left ends and the right ends of the two groups of connecting rods.

3. the numerical control gantry screw support structure of claim 2, wherein a gasket (7) is arranged between the connecting block (3) and the sliding block (2), and the connecting block (3) and the sliding block (2) are detachably connected through a bolt.

4. The numerical control gantry screw supporting structure according to claim 3, wherein the left end of the left connecting block (3) and the right end of the right connecting block (3) are both provided with an anti-collision block (8), and the anti-collision block (8) is made of polyurethane.

5. A numerically controlled gantry screw support structure according to claim 4, wherein the guide rails (1) and the runners are both I-shaped.

Technical Field

The invention relates to the technical field of numerical control machine tool auxiliary devices, in particular to a numerical control gantry lead screw supporting structure.

Background

As is known, a screw is one of the core components of a numerical control gantry machine tool, bears a transmission system of each shaft of the whole machine tool, is a main carrier for realizing the movement of the machine tool, and a ball screw pair is widely applied to the numerical control machine tool due to the characteristics of high transmission efficiency, good precision, strong precision retentivity and the like, but cannot meet the requirement of machining precision due to improper use, maintenance and maintenance. Wherein the lead screw is because the flagging of self weight is exactly to cause an important reason that the machine tool machining precision is poor, just must support the lead screw in order to improve this situation, and what now commonly adopted is spring and hydraulic type bearing structure, and these two kinds of structures are not only complicated, and the assembly is loaded down with trivial details, and factor of safety is low, and is difficult to control and manufacturing cost is also very high, has certain use defect.

Disclosure of Invention

In order to solve the technical problems, the invention provides the numerical control gantry screw supporting structure which is simple in structure, high in safety coefficient and lower in manufacturing cost.

The numerical control gantry lead screw supporting structure comprises a guide rail, a sliding block and a connecting block, wherein a sliding groove is formed in the sliding block, the sliding groove is matched with the guide rail, the sliding block can slide along the guide rail, the bottom end of the connecting block is connected with the top end of the sliding block, a V-shaped groove is formed in the connecting block, and a wear-resistant V-shaped block is fixedly arranged in the V-shaped groove.

According to the numerical control gantry screw supporting structure, the sliding blocks, the connecting blocks and the wear-resistant V-shaped blocks are respectively provided with two groups, two groups of connecting rods are arranged between the two groups of connecting blocks, threads are arranged at two ends of the two groups of connecting rods, two groups of through holes are formed in the two groups of connecting blocks, the left ends and the right ends of the two groups of connecting rods respectively penetrate through the two groups of through holes in the left connecting block and the right connecting block, nuts are arranged at the left ends and the right ends of the two groups of connecting rods, and the two groups of connecting blocks are respectively fixed at the left end.

According to the numerical control gantry screw supporting structure, the gasket is arranged between the connecting block and the sliding block, and the connecting block and the sliding block are detachably connected through the bolt.

According to the numerical control gantry screw supporting structure, the anti-collision blocks are arranged at the left end of the left connecting block and the right end of the right connecting block, and are made of polyurethane.

according to the numerical control gantry lead screw support structure, the guide rail and the sliding groove are I-shaped.

Compared with the prior art, the invention has the beneficial effects that: through placing the lead screw in two sets of wear-resisting "V" type pieces, make lead screw excircle bottom and wear-resisting "V" type piece top in close contact with, when the female seat action of lead screw, promote the connecting block, make the connecting block remove to make the slider remove on the slide rail, it effectively supports the lead screw, has effectively reduced the lead screw and has caused the condition emergence that the machine tool machining precision is poor because of self weight is flagging, its simple structure, factor of safety are high, and manufacturing cost is lower.

Drawings

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

FIG. 2 is a schematic top view of an embodiment of the present invention;

3 FIG. 3 3 3 is 3 a 3 schematic 3 cross 3- 3 sectional 3 view 3 taken 3 along 3 line 3 A 3- 3 A 3 of 3 FIG. 3 2 3 in 3 accordance 3 with 3 the 3 present 3 invention 3; 3

FIG. 4 is a schematic cross-sectional view taken along line B-B of FIG. 2 in accordance with the present invention;

FIG. 5 is an enlarged view of a portion of FIG. 1;

FIG. 6 is an enlarged partial view of FIG. 3 at B in accordance with the present invention;

FIG. 7 is an enlarged partial view of FIG. 1 at C in accordance with the present invention;

In the drawings, the reference numbers: 1. a guide rail; 2. a slider; 3. connecting blocks; 4. wear-resistant V-shaped blocks; 5. a connecting rod; 6. a nut; 7. a gasket; 8. and (4) an anti-collision block.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

As shown in fig. 1 to 7, the numerical control gantry screw support structure of the invention comprises a guide rail 1, a slide block 2 and a connecting block 3, wherein the slide block 2 is provided with a chute which is matched with the guide rail 1, the slide block 2 can slide along the slide rail, the bottom end of the connecting block 3 is connected with the top end of the slide block 2, the connecting block 3 is provided with a "V" -shaped groove, and a wear-resistant "V" -shaped block 4 is fixedly arranged in the "V" -shaped groove; through placing the lead screw in two sets of wear-resisting "V" type pieces, make lead screw excircle bottom and wear-resisting "V" type piece top in close contact with, when the female seat action of lead screw, promote the connecting block, make the connecting block remove to make the slider remove on the slide rail, it effectively supports the lead screw, has effectively reduced the lead screw and has caused the condition emergence that the machine tool machining precision is poor because of self weight is flagging, its simple structure, factor of safety are high, and manufacturing cost is lower.

according to the numerical control gantry screw supporting structure, two groups of sliding blocks 2, connecting blocks 3 and wear-resistant V-shaped blocks 4 are arranged, two groups of connecting rods 5 are arranged between the two groups of connecting blocks 3, threads are arranged at two ends of the two groups of connecting rods 5, two groups of through holes are formed in the two groups of connecting blocks 3, the left ends and the right ends of the two groups of connecting rods 5 respectively penetrate through the two groups of through holes in the left connecting block 3 and the right connecting block 3, nuts 6 are arranged at the left ends and the right ends of the two groups of connecting rods 5, and the two groups of connecting blocks 3 are respectively fixed at; connect two sets of connecting blocks through two sets of connecting rods, make two sets of connecting blocks and two sets of connecting rods become an organic whole, can remove in step to carry out more effectual support to the lead screw, further reduction the lead screw because of self weight flagging cause the condition of machine tool machining precision difference to take place, make machine tool machining precision higher.

According to the numerical control gantry screw supporting structure, the gasket 7 is arranged between the connecting block 3 and the sliding block 2, and the connecting block 3 and the sliding block 2 are detachably connected through the bolt; through the detachable connection arrangement of the connecting block and the sliding block, the component can be detached and replaced when the component fails, and the connecting structure is more convenient and rapid.

According to the numerical control gantry screw supporting structure, the anti-collision blocks 8 are arranged at the left end of the left connecting block 3 and the right end of the right connecting block 3, and the anti-collision blocks 8 are made of polyurethane; the screw rod female seat can be prevented from being in direct contact with the connecting block through the anti-collision block, so that the screw rod female seat and the connecting block are in soft contact through the anti-collision block, and the connecting block and the screw rod female seat are protected to a certain extent.

The guide rail 1 and the sliding groove of the numerical control gantry lead screw supporting structure are I-shaped; through the I-shaped arrangement of the guide rail and the sliding groove, the sliding block can be effectively prevented from being separated from the guide rail, and the condition that the sliding block is derailed on the guide rail is avoided.

When the numerical control gantry lead screw supporting structure works, before the actions are finished, the numerical control gantry lead screw supporting structure is moved to a position required by a user, the lead screw is placed in the two groups of wear-resistant V-shaped blocks, the bottom end of the excircle of the lead screw is in close contact with the top ends of the wear-resistant V-shaped blocks, when the lead screw female seat acts, the connecting block is pushed to move the connecting block, so that the sliding block moves on the sliding rail, the lead screw is effectively supported, the situation that the machining precision of a machine tool is poor due to the fact that the lead screw sags due to self weight is effectively reduced, and the numerical control gantry lead screw supporting structure is simple in structure, high in safety coefficient and; the two groups of connecting blocks are connected through the two groups of connecting rods, so that the two groups of connecting blocks and the two groups of connecting rods are integrated and can synchronously move, the screw rod is more effectively supported, the condition that the machining precision of the machine tool is poor due to the fact that the screw rod sags due to self weight is further reduced, and the machining precision of the machine tool is higher; through the detachable connection arrangement of the connecting block and the sliding block, the component can be detached and replaced when the component fails, so that the component is more convenient and quicker to replace; the screw rod female seat can be prevented from being in direct contact with the connecting block through the anti-collision block, so that the screw rod female seat and the connecting block are in soft contact through the anti-collision block, and the connecting block and the screw rod female seat are protected to a certain extent.

According to the numerical control gantry screw support structure, the installation mode, the connection mode or the arrangement mode of all the components are common mechanical modes, and the specific structures, models and coefficient indexes of all the components are self-contained technologies, so that the beneficial effects can be achieved, and further description is omitted.

In the numerical control gantry screw support structure of the present invention, unless otherwise stated, the terms of "up, down, left, right, front, back, inner, outer, vertical, horizontal" and the like included in the terms only represent the orientation of the terms in the conventional use state, or are colloquially understood by those skilled in the art, and should not be construed as limiting the terms, and meanwhile, the numerical terms of "first", "second" and "third" and the like do not represent specific numbers and sequences, but merely serve to distinguish names.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.