CN218817604U - Guide rail sliding table mechanism - Google Patents

Abstract

The utility model discloses a guide rail slip table mechanism, which comprises a base, be provided with the guide rail of a plurality of parallels on the base, be provided with the slip table on the guide rail, the slip table through a plurality of sliders with guide rail sliding connection, the slip table with the junction of slider is provided with flexible mounting structure. The flexible mounting structure and the sliding table are of an integrated structure and comprise a fixed block and a moving block, the moving block can generate displacement relative to the fixed block, and the sliding block is fixed on the moving block. The moving block is located in the fixed block, and two sides of the moving block are respectively flexibly connected to the fixed block through thin sheets. The utility model discloses an inside flexible mounting structure who increases of slip table, on the basis that does not change guide rail and platform form, even in the occasion that guide rail installation accuracy is not high, still can realize higher location and motion precision.

Description

Guide rail sliding table mechanism

Technical Field

The utility model relates to an industrial grade guide tracked slip table particularly relates to a guide rail slip table.

Background

Conventional guide tracked slip table mounting structure is rigid connection usually, and its installation back slip table is higher with connection structure rigidity, and when the guide rail led to its installation accuracy to worsen because reasons such as machining precision, temperature variation, the slip table can produce great frictional force at the slip in-process, and the frictional force variation is uneven, and then leads to the system life to reduce, the system control degree of difficulty promotes the scheduling problem. In addition, the higher rigid connection can transmit the mounting accuracy on the guide rail to the slide table, thereby causing the movement accuracy of the slide table to be reduced.

In order to solve the above technical problem, a utility model (No. CN 209614692U) discloses a double-rail sliding table, which comprises a sliding table, a sliding block and a guide rail, wherein the sliding block is connected to the sliding table, the guide rail is connected to a base, and the sliding block is connected to the guide rail in a sliding manner. The double-guide-rail sliding table further comprises a connecting block, the connecting block is arranged between the sliding table and the sliding block, and a side jackscrew used for adjusting the position of the sliding block is further arranged on the connecting block. Connecting block fixed connection is on the slip table, and one side that the slip table was kept away from to the connecting block is equipped with the recess, and slider sliding connection is along lateral sliding in the recess, and the side jackscrew sets up on the lateral wall of recess. The slider and the groove are in clearance fit, a clearance is arranged between the side wall of the slider and the outer side of the side wall of the groove, the clearance is used for adjusting the position of the slider, one end of the side jackscrew penetrates through the side wall of the groove to be in contact with the slider, the side jackscrew can be rotated to finely adjust the position of the slider, the distance and the parallelism between the two sliders can be adjusted, and the slider and the guide rail can be ensured to smoothly slide.

The solution disclosed in the above patent achieves adjustability between the slide and the guide, but this adjustability does not occur continuously and automatically, but is still a rigid connection once the side jackscrew is fixed, and in addition, in extreme cases, the operator is required to continuously adjust the side jackscrew to compensate for possible errors.

SUMMERY OF THE UTILITY MODEL

For overcoming the not enough of existence among the prior art, the utility model aims to provide a guide rail slip table mechanism, this slip table mechanism can effectively avoid because the precision error of guide rail installation or manufacturing, the walking precision error of slider at installation or operation in-process that causes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a guide rail slip table mechanism, includes the base, be provided with a plurality of parallel guide rails on the base, be provided with the slip table on the guide rail, the slip table through a plurality of sliders with guide rail sliding connection, the slip table with the junction of slider is provided with a plurality of flexible mounting structure, flexible mounting structure is in have the flexibility in the slider non-direction of travel, can make the slider for the slip table produces suitable displacement in non-direction of travel.

Furthermore, the flexible mounting structure and the sliding table are of an integrated structure and comprise a fixed block and a moving block, the moving block can generate displacement relative to the fixed block, and the sliding block is fixed on the moving block.

Furthermore, the moving block is located in the fixed block, and two sides of the moving block are respectively flexibly connected to the fixed block through thin sheets.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses a flexible mounting structure effectively reduces the kinetic friction power for the slip table motion is even more steady, has promoted the motion performance of platform.

2. The utility model discloses an inside flexible mounting structure who increases of slip table, on the basis that does not change guide rail and platform form, even in the occasion that guide rail installation accuracy is not high, still can realize higher location and motion precision.

3. The utility model discloses a scheme can promote the motion precision of guide tracked slip table, and reducing wear effectively promotes the life-span of product simultaneously.

Drawings

Fig. 1 is a schematic structural view (dual rails) of an embodiment of the rail sliding table mechanism of the present invention.

Fig. 2 is a rear view of the slide table in the embodiment disclosed in fig. 1.

Fig. 3 is a cross-sectional view of the embodiment disclosed in fig. 1.

Fig. 4 is a partially enlarged view of a portion a in fig. 3.

Fig. 5 is a sectional view of another embodiment of the rail slide mechanism of the present invention.

Fig. 6 is a partially enlarged view of the portion B in fig. 5.

Fig. 7 is a sectional view of another embodiment of the rail slide mechanism of the present invention.

Fig. 8 is a partially enlarged view of C in fig. 7.

Fig. 9 is a sectional view (three rails) of still another embodiment of the rail slide mechanism of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Referring to fig. 1 and 2, a guide rail and sliding table mechanism includes a base 4, a pair of guide rails 3 are arranged in parallel on the base 4, a sliding table 1 is arranged on the guide rails 3, the sliding table 1 is slidably connected with the guide rails 3 through a plurality of sliding blocks 2, a plurality of flexible mounting structures 101 are arranged at the connection position of the sliding table 1 and the sliding blocks 2, and the flexible mounting structures 101 have flexibility in the non-advancing direction of the sliding blocks 2, so that the sliding blocks 2 can be displaced appropriately relative to the sliding table 1 in the non-advancing direction. The flexible mounting structure 101 and the sliding table 1 are of an integral structure and comprise a fixed block 102 and a moving block 103, and the sliding block 2 is fixed on the moving block 103. The moving block 103 is located in the fixed block 102, and two sides of the moving block 103 are flexibly connected to the fixed block 102 through thin sheets 104.

Example 1:

referring to fig. 3 and 4, the cross section of the thin plate 104 is an "I" shaped structure, one end of the "I" shaped structure is connected to the other end of the fixed block 102 to fix the moving block 103, and the middle plane P of the thin plate 104 is parallel to the load direction F of the sliding table 1.

Example 2:

referring to fig. 5 and 6, the cross section of the thin plate 104 is an "L" shaped structure, and includes a first thin plate portion 1041 and a second thin plate portion 1042 perpendicular to each other, the first thin plate portion 1041 is connected to the fixed block 102, the second thin plate portion 1042 fixes the moving block 103, a middle plane P of the first thin plate portion 1041 is perpendicular to a load direction F of the sliding table 1, and the middle plane P of the second thin plate portion 1042 is parallel to the load direction F of the sliding table 1.

Further, the first thin plate portion 1041 extends away from the moving block 103.

Example 3:

referring to fig. 7 and 8, the cross section of the sheet 104 is an L-shaped structure, and includes a first sheet portion 1041 and a second sheet portion 1042 which are perpendicular to each other, the first sheet portion 1041 is connected to the fixing block 102, the second sheet portion 1042 fixes the moving block 103, a middle plane P of the first sheet portion 1041 is perpendicular to a load direction F of the sliding table 1, and a middle plane P of the second sheet portion 1042 is parallel to the load direction F of the sliding table 1.

Further, the first thin portion 1041 extends in a direction close to the moving block 103.

Example 4:

as shown in fig. 9, the guide rails 3 are arranged in three. The improved sliding table is characterized in that a sliding table 1 is arranged on the guide rail 3, the sliding table 1 is in sliding connection with the guide rail 3 through a plurality of sliding blocks 2, and a flexible mounting structure 101 is arranged at the joint of the sliding table 1 and the sliding blocks 2. The flexible mounting structure 101 and the sliding table 1 are of an integrated structure and comprise a fixed block 102 and a moving block 103, the moving block 103 can generate displacement relative to the fixed block 102, and the sliding block 2 is fixed on the moving block 103. The moving block 103 is located in the fixed block 102, and two sides of the moving block 103 are flexibly connected to the fixed block 102 through thin plates 104.

Preferably, the number of the guide rails 3 may also be four, five, and the like, and the configuration is only required according to actual requirements.

When the guide rail sliding table mechanism of each embodiment is used, the sliding table 1 may cause a walking precision error during the operation of each sliding block 2 due to a mounting or manufacturing precision error possibly existing in the guide rail 3 during the moving process. When the walking precision error is transmitted to the flexible mounting structure 101 on the sliding table 1, the moving block 103 can generate compliant deformation for absorbing and homogenizing relative to the fixed block 102, so that the influence of the walking precision error on the upper surface of the sliding table 1 is greatly reduced. Meanwhile, the compliance deformation of the flexible mounting structure 101 also greatly reduces the friction force between the sliding block 2 and the guide rail 3, reduces the abrasion of the guide rail and the sliding block, and effectively prolongs the service life of the product.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (7)

1. The utility model provides a guide rail slip table mechanism, includes base (4), be provided with a plurality of parallel arrangement guide rail (3) on base (4), be provided with slip table (1), its characterized in that on guide rail (3): the sliding table (1) is connected with the guide rail (3) in a sliding mode through a plurality of sliding blocks (2), a plurality of flexible installation structures (101) are arranged at the connection position of the sliding table (1) and the sliding blocks (2), the flexible installation structures (101) are flexible in the non-advancing direction of the sliding blocks (2), and the sliding blocks (2) can be enabled to generate appropriate displacement in the non-advancing direction relative to the sliding table (1).

2. The rail slide mechanism according to claim 1, wherein: the flexible mounting structure (101) and the sliding table (1) are of an integrated structure and comprise a fixing block (102) and a moving block (103), and the sliding block (2) is fixed on the moving block (103).

3. The rail slide mechanism of claim 2, wherein: the moving block (103) is located in the fixed block (102), and two sides of the moving block (103) are respectively flexibly connected to the fixed block (102) through thin sheets (104).

4. The rail slide mechanism of claim 3, wherein: the cross section of the thin sheet (104) is of an I-shaped structure, one end of the I-shaped structure is connected with the fixed block (102), the other end of the I-shaped structure is fixed with the moving block (103), and the middle plane (P) of the thin sheet (104) is parallel to the load direction (F) of the sliding table (1).

5. The rail slide mechanism of claim 3, wherein: the cross section of the sheet (104) is of an L-shaped structure and comprises a first sheet part (1041) and a second sheet part (1042) which are perpendicular to each other, the first sheet part (1041) is connected with the fixing block (102), the second sheet part (1042) fixes the moving block (103), the middle plane (P) of the first sheet part (1041) is perpendicular to the load direction (F) of the sliding table (1), and the middle plane (P) of the second sheet part (1042) is parallel to the load direction (F) of the sliding table (1).

6. The rail slide mechanism according to claim 5, wherein: the first sheet portion (1041) extends in a direction away from the moving block (103).

7. The rail slide mechanism according to claim 5, wherein: the first sheet portion (1041) extends in a direction close to the moving block (103).

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