CN216913004U

CN216913004U - V type supporting mechanism with adjustable

Info

Publication number: CN216913004U
Application number: CN202220272468.6U
Authority: CN
Inventors: 姚美丽; 晁伟鹏; 王鹏辉
Original assignee: Baoji Fast Gear Co Ltd
Current assignee: Baoji Fast Gear Co Ltd
Priority date: 2022-02-10
Filing date: 2022-02-10
Publication date: 2022-07-08
Anticipated expiration: 2032-02-10

Abstract

The utility model discloses an adjustable V-shaped supporting mechanism, which comprises a base and a V-shaped block, wherein the base is provided with a groove; the axis of base is provided with middle logical groove, the column that V type piece set up by V type spare and along the most advanced axis of V type constitutes, the column that sets up along the most advanced axis of V type sets up in the base, the bottom surface of V type spare and the up end of base are connected, be provided with the external screw thread on the column, the horizontal direction of column is provided with the card and establishes the piece, be provided with the screw-thread fit on card establishment piece and the column, the bottom terminal surface of column still is provided with the locating part. The clamping device has the advantages of simple structure, high positioning accuracy, stable support, simple and convenient clamping, strong applicability and the like, and simultaneously solves the technical problems of unadjustable height, single use range, lack of universality, low clamping efficiency and the like of the V-shaped block.

Description

V type supporting mechanism with adjustable

Technical Field

The utility model relates to the field of supporting members, in particular to an adjustable V-shaped supporting mechanism.

Background

In the actual production of machined parts, especially in the machining process of shaft parts, a V-shaped block is often required as a support. However, the adjustable support is not adjustable, and a special V-shaped block with matched height needs to be customized, so that the production period is long, the clamping efficiency is low, the production cost is high, and the support stability is not good.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the prior art, the utility model provides an adjustable V-shaped supporting mechanism which has the advantages of simple structure, high positioning precision, stable support, simple and convenient clamping, strong applicability and the like, and simultaneously solves the technical problems of unadjustable height, single use range, lack of universality, low clamping efficiency and the like of a V-shaped block.

The utility model is realized by the following technical scheme:

an adjustable V-shaped supporting mechanism comprises a base and a V-shaped block; the axis of base is provided with middle logical groove, the column that V type piece set up by V type spare and along the most advanced axis of V type constitutes, the column that sets up along the most advanced axis of V type sets up in the base, the bottom surface of V type spare and the up end of base are connected, be provided with the external screw thread on the column, the horizontal direction of column is provided with the card and establishes the piece, be provided with the screw-thread fit on card establishment piece and the column, the bottom terminal surface of column still is provided with the locating part.

Furthermore, a bottom plate extending in the horizontal direction is arranged at the bottom of the base.

Further, the base is made of magnetized materials.

Furthermore, a U-shaped groove is formed in the bottom plate.

Further, the base and the V-shaped block are in clearance fit.

Furthermore, the base is provided with a side through groove, an adjusting nut is arranged in the side through groove, and the adjusting nut is in clearance fit with the side through groove.

Further, the limiting part is a screw.

Furthermore, the bottom of the middle through groove of the base is provided with a screw plug.

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

the utility model provides an adjustable V-shaped supporting mechanism, which realizes fine adjustment of a supporting structure through the matching of a base, a V-shaped block, a clamping piece and a limiting piece, simultaneously realizes the use convenience and safety of a device through the limiting structure, can avoid infinite rotation to cause the V-shaped block to be screwed out, can change the stable fixation of a middle through groove through additionally arranging the V-shaped blocks with different angles, can change the adjustable range of the device through the connection of the limiting piece, and has the advantages of flexible adjustment and convenient installation.

Further, through the extension of base terminal surface, very big increase the area of contact of device with the holding surface to improve the stability of device, makeed the base form convex structure, the up end is little, and the bottom surface is big, improves the stability of whole mechanism. Meanwhile, through the design of the magnetizing part, if the mechanism is used on a magnetic workbench, the contact area is effectively increased, the magnetic force is increased, and a good fixing effect is achieved.

Furthermore, the U-shaped groove is arranged, so that the mechanism is greatly convenient to fix on a machine tool workbench or other auxiliary tools through bolts.

Furthermore, through the clearance fit of base and V type piece, ensure on the one hand that there is not the jamming in clearance in the adjustment process in the V type piece, on the other hand effectively prevents that the V type piece from rotating around the axis in the adjustment process, ensures to prolong axis "straight up straight down", and the direction is unchangeable.

Furthermore, the adjustment nut is flexibly rotated without clamping stagnation through the matching of the side through groove and the adjustment nut, and the axial movement of the V-shaped block is limited to ensure that the V-shaped block ascends or descends stably.

Furthermore, the defect that the components cannot be disassembled in the alumni technology can be completely avoided by limiting through the screws, and the maintenance, the replacement or the maintenance of the components in the later period are facilitated.

Further, through the setting of base lower extreme additional installation plug screw, prevent effectively that iron fillings or foreign matter from getting into the mechanism inside, influence mechanism precision and normal use.

Drawings

FIG. 1 is a cross-sectional view of an adjustable V-shaped supporting mechanism according to an embodiment of the present invention;

FIG. 2 is a structural view of an adjustable V-shaped supporting mechanism according to an embodiment of the present invention;

FIG. 3 is a cross-sectional structural view of an adjustable V-shaped supporting mechanism according to an embodiment of the present invention;

FIG. 4 is a structural view of an adjustable V-shaped supporting mechanism according to an embodiment of the present invention in a use state;

FIG. 5 is an enlarged view at A of a sectional structural view of an adjustable V-shaped supporting mechanism according to an embodiment of the present invention;

in the figure: the device comprises a base 1, a V-shaped block 2, an adjusting nut 3, a plug screw 4 and a screw 5.

Detailed Description

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

The utility model is described in further detail below with reference to the accompanying drawings:

referring to fig. 1, in one embodiment of the present invention, an adjustable V-shaped support mechanism is provided; the mechanism comprises a base 1, a V-shaped block 2, an adjusting nut 3, a plug screw 4 and a screw 5; specifically, the base 1 is designed to be convex, the upper end surface is small, and the bottom surface is large, so that the stability of the whole mechanism is improved; and meanwhile, the magnetic structure is arranged, so that if the magnetic force workbench is used, the contact area is effectively increased, the magnetic force is increased, and a good fixing effect is achieved. And through the design of U type groove, be convenient for the mechanism pass through the bolt fastening on lathe workstation or other assistive devices. A middle through groove feature and a side through groove feature are designed on the base 1 and used for assembling the V-shaped block 2 and the adjusting nut 3.

In a certain preferred embodiment, the preferred material of the base 1 and the V-shaped block 2 is T10, the quenching hardness is 58-63HRC, the carbon tool steel is used, the hardness can reach above 60HRC after heat treatment, the specific material of the base 1 is only used as a preferred material in the embodiment, specifically, when the mechanism is actually used, magnetized steel is selected, and the base has better plasticity and strength, so that the mechanism can bear certain vibration and impact load in the using process, and the stability and the reliability are ensured. The V-shaped block 2 consists of a V-shaped piece and a cylindrical piece arranged along the axis of the V-shaped tip, the forming mode can be set to be fixed connection, and can also be set to be other connecting modes in more embodiments, and the V-shaped block can be specifically determined according to a matching piece of the V-shaped block, has higher wear resistance, and can meet the technical requirements that the middle through groove characteristic and the side through groove characteristic of the base 1, the flat characteristic of the V-shaped block 2 and the V-shaped piece need to have higher wear resistance; the thread part adopts anti-quenching measures, the hardness reaches 28-33HRC, and the normal use of the thread is ensured. Meanwhile, the bottom plate extending from the upper bottom of the base 1 can be a structural member with rectangular characteristics, and suitable structural characteristics can be selected according to specific working environments.

As can be seen from fig. 4, the cross section of the through groove in the middle of the base 1 can be oblate, wherein the flat characteristic of the base 1 is in clearance fit with the flat characteristic of the V-shaped block 2, and the fit clearance at the two sides is not less than 0.03mm and not more than 0.05 mm; on one hand, the V-shaped block 2 is ensured to have no clamping stagnation in the adjusting process, on the other hand, the V-shaped block 2 is effectively prevented from rotating around the axis in the adjusting process, and the V-shaped direction is ensured to be unchanged along the axis in a straight-up and straight-down manner; the two circular arc characteristics have relatively large clearance with the external screw thread of the V-shaped block 2, and the diameter clearance is not less than 0.50mm and not more than 1mm, so that the base 1 and the external screw thread of the V-shaped block 2 have relatively large clearance, and automatic fine adjustment and alignment can be realized when the two end surfaces of the V shape contact parts until the two end surfaces of the V shape are tightly attached.

Meanwhile, the design of a side through groove is added on the base 1; the cross section of the side through groove can be designed to be rectangular, and the fit clearance between the groove height and the adjusting nut 3 is not less than 0.02mm and not more than 0.05 mm; on one hand, the adjusting nut 3 is ensured to rotate flexibly without clamping stagnation, on the other hand, the adjustable V-shaped block 2 is limited to axially move, and the V-shaped block 2 is ensured to ascend or descend stably; the fit clearance between the groove width and the large excircle of the adjusting nut 3 is larger and not smaller than 1mm, and the interference between the rotation of the adjusting nut 3 and the automatic fine adjustment of the V-shaped block 2 is avoided.

The preferred material of the adjusting nut 3 is 42CrMo, the quenching hardness is 35-40HRC, and the material belongs to medium carbon alloy steel, and has high strength and toughness and good wear resistance. On the one hand, the requirement on the characteristic wear resistance of the two end faces of the adjusting nut 3 can be met, and on the other hand, the problem that the hardness of the threads is too high to influence the service life is avoided.

As shown in fig. 3, 4 and 5, the roughness Ra of the two large end faces of the V-shaped block 2 is not greater than 1.6um, so that the stability of the characteristic of matching with the through groove feature of the base 1 is improved; and the adjusting nut 3 is connected with the adjusting nut through a fine thread, so that the self-locking performance of the two adjusting nuts is ensured; the lower end surface is provided with a screw hole for assembling the screw 5; the position size of the screw hole enables the highest point of the left end of the large diameter of the screw cap of the screw 5 to be located between the large diameter and the middle diameter of the thread of the V-shaped block 2, when the V-shaped block 2 axially rises to the tail end of the thread under the action of the adjusting nut 3, the thread cannot be screwed due to the 'breaking' effect of the screw 5, and the lifting is stopped, so that the limiting effect is achieved.

By means of the adjusting nut 3; the inner bore is provided with a fine thread feature, and in other embodiments, other thread features may be provided, the threads cooperating with the V-block 2. The V-shaped block 2 is axially descended or ascended by adjusting the nut 3 in a left-handed or right-handed way; step circles are respectively designed on two end faces, so that the matching area with the base 1 is reduced, and the matching precision of the two is improved; meanwhile, the outer circle knurls are designed, so that friction force is increased, slipping in the operation process is prevented, and the device is more efficient and labor-saving.

The screw plug 4 is assembled at the bottom of the base 1, and effectively prevents iron chips or foreign matters from entering the mechanism, so that the precision and the normal use of the mechanism are influenced.

The screw 5 compares at 2 terminal limit methods of breaking screw threads of screw thread of V type piece, spot welding, riveting etc. adopt screw 5 spacing, avoid the unable drawback of dismantling of the former totally, be convenient for later stage part's maintenance, change or maintenance.

In the using process, the mechanism is fixed on a machine tool workbench or other auxiliary tools through a U-shaped groove by bolts by combining the supported parts of the parts; for a magnetic workbench, the bottom surface of the mechanism is effectively adsorbed on the workbench; and rotating the adjusting nut 3 until the two V-shaped end surfaces of the V-shaped block 2 are fully contacted with the part to finish the operation. The adjusting nut 3 is rotated leftwards to lower the V-shaped block 2, and the adjusting nut 3 is rotated rightwards to raise the V-shaped block 2.

The utility model has simple structure, convenient operation, reliability and practicability; the method can be used for multiple work types such as turning, milling, grinding and the like, and has wide application range; effectively improve the part clamping efficiency, reduce production cycle and advantage of cost.

While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of 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 description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art. The above-mentioned contents are only for illustrating the technical idea of the present invention, and the protection scope of the present invention is not limited thereby, and any modification made on the basis of the technical idea of the present invention falls within the protection scope of the claims of the present invention.

Claims

1. An adjustable V-shaped supporting mechanism is characterized by comprising a base and a V-shaped block; the axis of base is provided with middle logical groove, the column that V type piece set up by V type spare and along the most advanced axis of V type constitutes, the column that sets up along the most advanced axis of V type sets up in the base, the bottom surface of V type spare and the up end of base are connected, be provided with the external screw thread on the column, the horizontal direction of column is provided with the card and establishes the piece, be provided with the screw-thread fit on card establishment piece and the column, the bottom terminal surface of column still is provided with the locating part.

2. The adjustable V-shaped support mechanism according to claim 1, wherein a bottom plate extending in the horizontal direction is arranged at the bottom of the base.

3. The adjustable V-shaped support mechanism according to claim 1, wherein the base is made of magnetized material.

4. The adjustable V-shaped support mechanism as claimed in claim 2, wherein the bottom plate is provided with a U-shaped groove.

5. The adjustable V-shaped support mechanism according to claim 1, wherein the base and the V-shaped block are in clearance fit.

6. The adjustable V-shaped supporting mechanism according to claim 1, wherein the base is provided with a side through groove, an adjusting nut is arranged in the side through groove, and the adjusting nut and the side through groove are in clearance fit.

7. The adjustable V-shaped supporting mechanism according to claim 1, wherein the limiting member is a screw.

8. The adjustable V-shaped supporting mechanism according to claim 1, wherein a screw plug is arranged at the bottom of the middle through groove of the base.