CN219093380U - High-rigidity infinite travel hexagonal guide sleeve structure - Google Patents

Abstract

The utility model relates to the technical field of hexagonal guide sleeve structures, and discloses a high-rigidity infinite stroke hexagonal guide sleeve structure which comprises a hexagonal guide post, a connecting block and a mounting seat, wherein one end of the hexagonal guide post is fixedly connected with one side of the connecting block, the outer wall of the hexagonal guide post is sleeved with the hexagonal guide sleeve, the hexagonal guide post is matched with the hexagonal guide sleeve, the outer diameter of the hexagonal guide post is in a hexagonal polygon with the inner hole position of the hexagonal guide sleeve, and a retaining sleeve is uniformly and fixedly arranged in the hexagonal guide sleeve at equal intervals. Through designing the outer diameter of the guide post and the inner hole of the guide sleeve into a hexagonal polygon, the retaining sleeve is arranged in the guide sleeve, the traditional steel ball retaining sleeve is arranged on the retaining sleeve instead of a needle roller, the point contact is improved into the line contact, the contact surface is wider, and the rigidity is higher. In the linear motion process, the rolling needle can roll in an internal circulation manner, so that the function of infinite travel is realized, the pretightening force of the rolling needle is smaller, the straightness is better, the reciprocating precision is improved, and the stable precision is maintained.

Description

High-rigidity infinite travel hexagonal guide sleeve structure

Technical Field

The utility model relates to the technical field of hexagonal guide sleeve structures, in particular to a high-rigidity infinite travel hexagonal guide sleeve structure.

Background

The steel ball guide post and guide sleeve for the die is an important part in the die, and mainly plays a role in precisely guiding the die. The existing guide post and guide sleeve of the die are generally cylindrical, and in the use process of the die, the motion guide contact area is small, the dynamic lateral force resistance function is poor, the unbalanced load resistance is weak, the stroke is limited, the rigidity is insufficient, the stroke needs to be calculated, the noise is large, and the service life is short.

Aiming at the problems in the prior art, the outer diameter of the guide post and the inner hole of the guide sleeve are designed into a hexagonal polygon, the retaining sleeve is arranged in the guide sleeve, the traditional steel ball retaining sleeve is arranged on the retaining sleeve instead of a needle roller, the point contact is improved to the line contact, the contact surface is wider, and the rigidity is higher. In the linear motion process, the rolling needle can roll in an internal circulation manner, so that the function of infinite travel is realized, the pretightening force of the rolling needle is smaller, the straightness is better, the reciprocating precision is improved, and the stable precision is maintained. The hexagonal polygonal design increases the movement guiding contact area, achieves the function of greatly increasing the dynamic lateral force resistance of the die, and greatly improves the unbalanced load resistance. The rigidity of the rod part is improved by a plurality of times compared with the original structure, the guiding effect is improved, the ultra-precision is achieved, and the service life of the die is prolonged due to the improvement of the reliability of the guiding part.

Disclosure of Invention

The utility model aims to provide a high-rigidity infinite stroke hexagonal guide sleeve structure, so as to improve rigidity, enhance guiding function and achieve ultra-precision; unlimited travel, without worrying about insufficient travel; the service life is prolonged, and the stability is improved; the unbalanced load resistance is greatly improved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a high rigidity infinite stroke hexagonal guide pin bushing structure, includes hexagonal guide pillar, connecting block, mount pad, one end of hexagonal guide pillar and one side fixed connection of connecting block, the outer wall cover of hexagonal guide pillar is equipped with the hexagonal guide pin bushing.

Preferably, the hexagonal guide post is matched with the hexagonal guide sleeve, and the outer diameter of the hexagonal guide post is hexagonal with the inner hole of the hexagonal guide sleeve.

Preferably, the inside of the hexagonal guide sleeve is uniformly and fixedly provided with the retaining sleeve at equal intervals.

Preferably, the inner part of the retaining sleeve is uniformly distributed with rolling pins at equal intervals, and the rolling pins circularly roll in the inner part of the retaining sleeve.

Preferably, the other side of the connecting block is fixedly arranged with one side of the mounting seat.

Preferably, the connecting block and the mounting seat are integrally formed.

The utility model provides a high-rigidity infinite travel hexagonal guide sleeve structure. The beneficial effects are as follows:

(1) According to the utility model, the outer diameter of the guide post and the inner hole of the guide sleeve are designed into a hexagonal polygon, the retaining sleeve is arranged in the guide sleeve, the traditional steel ball retaining sleeve is arranged on the retaining sleeve instead of a needle roller, the point contact is improved to the line contact, the contact surface is wider, and the rigidity is higher. In the linear motion process, the rolling needle can roll in an internal circulation manner, so that the function of infinite travel is realized, the pretightening force of the rolling needle is smaller, the straightness is better, the reciprocating precision is improved, and the stable precision is maintained.

(2) The utility model increases the movement guiding contact area through the design of the hexagonal polygon, achieves the function of greatly increasing the dynamic lateral force resistance of the die, and greatly improves the unbalanced load resistance. The rigidity of the rod part is improved by a plurality of times compared with the original structure, the guiding effect is improved, the ultra-precision is achieved, and the service life of the die is prolonged due to the improvement of the reliability of the guiding part.

Drawings

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

FIG. 2 is a cross-sectional view of the structure A-A of the present utility model.

In the figure: the device comprises a hexagonal guide post 1, a hexagonal guide sleeve 2, a needle roller 3, a retaining sleeve 4, a connecting block 5 and a mounting seat 6.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but 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 of the embodiments are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements throughout or elements having like or similar functionality. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", 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 therefore should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

As shown in fig. 1-2, the present utility model provides a technical solution: the utility model provides a high rigidity infinite stroke hexagonal guide pin bushing structure, including hexagonal guide pillar 1, connecting block 5, mount pad 6, one end of hexagonal guide pillar 1 and one side fixed connection of connecting block 5, the outer wall cover of hexagonal guide pillar 1 is equipped with hexagonal guide pin bushing 2, hexagonal guide pillar 1 and hexagonal guide pin bushing 2 looks adaptation, and the external diameter of hexagonal guide pillar 1 and the hole position hexagonal polygon of hexagonal guide pin bushing 2, the inside equidistance uniform fixation of hexagonal guide pin bushing 2 has keeps cover 4, keep the inside equidistance uniform arrangement of cover 4 and distribute and have kingpin 3, and kingpin 3 is at the inside circulation roll of keeping cover 4, the opposite side of connecting block 5 and one side fixed mounting of mount pad 6, connecting block 5 and mount pad 6 integrated into one piece.

When the steel ball retainer sleeve is used, the outer diameter of the guide post and the inner hole of the guide sleeve are designed to be hexagonal polygons, the retainer sleeve is arranged in the guide sleeve, the traditional steel ball retainer sleeve is arranged on the retainer sleeve instead of a needle roller, the point contact is improved to be the line contact, the contact surface is wider, and the rigidity is higher. In the linear motion process, the rolling needle can roll in an internal circulation manner, so that the function of infinite travel is realized, the pretightening force of the rolling needle is smaller, the straightness is better, the reciprocating precision is improved, and the stable precision is maintained. The hexagonal polygonal design increases the movement guiding contact area, achieves the function of greatly increasing the dynamic lateral force resistance of the die, and greatly improves the unbalanced load resistance. The rigidity of the rod part is improved by a plurality of times compared with the original structure, the guiding effect is improved, the ultra-precision is achieved, and the service life of the die is prolonged due to the improvement of the reliability of the guiding part.

In summary, the outer diameter of the guide post and the inner hole of the guide sleeve are designed to be hexagonal polygons, the retaining sleeve is arranged in the guide sleeve, the traditional steel ball retaining sleeve is arranged on the retaining sleeve instead of a needle roller, the point contact is improved to the line contact, the contact surface is wider, and the rigidity is higher. In the linear motion process, the rolling needle can roll in an internal circulation manner, so that the function of infinite travel is realized, the pretightening force of the rolling needle is smaller, the straightness is better, the reciprocating precision is improved, and the stable precision is maintained.

The hexagonal polygonal design increases the movement guiding contact area, achieves the function of greatly increasing the dynamic lateral force resistance of the die, and greatly improves the unbalanced load resistance. The rigidity of the rod part is improved by a plurality of times compared with the original structure, the guiding effect is improved, the ultra-precision is achieved, and the service life of the die is prolonged due to the improvement of the reliability of the guiding part.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (4)

1. The utility model provides a high rigidity infinite stroke hexagonal guide pin bushing structure, includes hexagonal guide pillar (1), connecting block (5), mount pad (6), its characterized in that: one end of the hexagonal guide pillar (1) is fixedly connected with one side of the connecting block (5), a hexagonal guide sleeve (2) is sleeved on the outer wall of the hexagonal guide pillar (1), the hexagonal guide pillar (1) is matched with the hexagonal guide sleeve (2), the outer diameter of the hexagonal guide pillar (1) is in a hexagonal polygon shape with the inner hole position of the hexagonal guide sleeve (2), and a retaining sleeve (4) is uniformly and fixedly arranged in the hexagonal guide sleeve (2) at equal intervals.

2. The high rigidity infinite travel hexagonal guide sleeve structure according to claim 1, wherein: the needle rollers (3) are uniformly distributed in the holding sleeve (4) at equal intervals, and the needle rollers (3) circularly roll in the holding sleeve (4).

3. The high rigidity infinite travel hexagonal guide sleeve structure according to claim 1, wherein: the other side of the connecting block (5) is fixedly arranged on one side of the mounting seat (6).

4. The high rigidity infinite travel hexagonal guide sleeve structure according to claim 1, wherein: the connecting block (5) and the mounting seat (6) are integrally formed.

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