Rigid-connection high-precision fine-tuning magnetic gauge stand

Abstract

The utility model discloses a rigidly-connected high-precision fine-tuning magnetic gauge stand, relates to the technical field of machinery, and aims to provide a measuring tool which is stable in structure, high in fine-tuning precision and convenient to operate. The gauge stand is mainly composed of a magnetic gauge stand body, a vertical rod, a switching body, a lever connecting body, a transverse rod, a gauge locking chuck and the like, the switching body is fixed to the vertical rod through a vertical rod locking screw, the deflection angle of the lever connecting body can be adjusted through a fine adjustment locking screw, and then the transverse rod and a dial gauge or a dial indicator installed at the end of the transverse rod are controlled to move. According to the utility model, a rigid connection structure is adopted, fine thread fine tuning design is combined, the fine tuning range with the minimum single-time 8mm and the precision within 0.002 mm is realized, part of the structure of the double-rod magnetic gauge stand is reserved, the fine tuning precision and the measurement stability are obviously improved, and the fine tuning device is suitable for the field of high-precision measurement.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical technical field, concretely is a kind of high-precision fine adjustment magnetic table seat of rigid connection. BACKGROUND

[0002] Now there are two kinds of table seat for adjusting position and moving place in the industry: one is double-rod magnetic table seat;One is universal fine adjustment magnetic table seat, wherein,

[0003] The connection of double-rod magnetic table seat is by thread locking mechanism, the advantages are: enough rigidity, the reading stability of table is good during measurement.The disadvantage is: it cannot be fine adjusted, it is difficult to adjust size, it cannot be accurately adjusted to a certain fixed size, and it also needs to adjust dial;

[0004] Universal fine adjustment magnetic table seat is hinged connection locking mechanism plus elastic fine adjustment mechanism, the advantages are: fine adjustment can be realized, it has certain mobility and flexibility.The disadvantage is: 1, insufficient rigidity, the reading of table often jumps phenomenon (high-precision table jump phenomenon is more obvious) often appears in actual production, 2, with the development of society, mechanical product part precision is increasing, the fine adjustment precision of the table seat cannot meet the production needs, and high-precision fine adjustment cannot be realized. UTILITY MODEL CONTENTS

[0005] Therefore, the utility model provides a kind of high-precision fine adjustment magnetic table seat of rigid connection to solve the above-mentioned problems in prior art.

[0006] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: a kind of high-precision fine adjustment magnetic table seat of rigid connection, including magnetic table seat, still including:

[0007] Stand, is connected at the top of magnetic table seat;

[0008] Adapter, is fixed at the outside of stand, and its tightness on stand is adjusted by stand locking screw;

[0009] Lever connecting body, is rotatably connected with adapter by cylindrical pin, and its deflection angle is changed by secondary fine adjustment locking screw and primary fine adjustment locking screw;

[0010] Crossbar, is connected with lever connecting body by crossbar locking nut, and deflection with the deflection of lever connecting body;

[0011] Table locking chuck, is installed in the end of crossbar by table locking screw, for clamping dial gauge or dial gauge.

[0012] Further, the stand locking screw is screwed in the inside of adapter, for adjusting and locking the position of adapter on stand.

[0013] Further, the secondary fine adjustment locking screw and the primary fine adjustment locking screw are threadedly connected at the top and bottom of the adapter body respectively, and the ends thereof abut against the bottom and top of the lever connecting body respectively, so as to adjust the deflection angle of the lever connecting body by rotation.

[0014] Further, the end of the crossbar locking nut is provided with a through hole, the crossbar is inserted into the through hole, and the crossbar is fixed by the crossbar locking nut, so that the crossbar deflects synchronously with the lever connecting body.

[0015] Further, the threads on the secondary fine adjustment locking screw and the primary fine adjustment locking screw are all fine threads.

[0016] Further, each connecting and fastening mechanism adopts a threaded locking mechanism and a cylindrical pin connection, forming a rigid connection structure, so as to enhance the stability and rigidity of the overall structure.

[0017] Compared with the prior art, the following beneficial effects are achieved:

[0018] The rigidly connected high-precision fine adjustment magnetic watch base retains some structures of the double-rod magnetic watch base, increases the fine adjustment mechanism, and improves the fine adjustment precision, specifically, first, each connecting and fastening mechanism adopts a threaded locking mechanism and a cylindrical pin connection, which is a rigid connection, ensuring the stability of the watch reading; second, fine adjustment can be realized, and the minimum fine adjustment range of a single time is 8mm, and the fine adjustment precision is within 0.002mm. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only exemplary, and for those skilled in the art, other drawings can be obtained from the provided drawings without creative labor.

[0020] The structures, proportions, sizes, etc. shown in the specification are only used to cooperate with the content disclosed in the specification, so that those skilled in the art can understand and read, and are not used to limit the limiting conditions of the embodiments of the present application, so they do not have technical significance. Any modification of structure, change of proportion relationship or adjustment of size, without affecting the effects and purposes that can be achieved by the present application, should still fall within the scope of the technical content disclosed by the present application.

[0021] Figure 1 A first perspective view of a rigidly connected high-precision fine adjustment magnetic watch base according to some embodiments of the present application is provided.

[0022] Figure 2A stereogram of the second visual angle of the rigidly connected high-precision fine adjustment magnetic watch holder is provided for some embodiments of the utility model.

[0023] Figure 3 A front view of the rigidly connected high-precision fine adjustment magnetic watch holder is provided for some embodiments of the utility model.

[0024] Figure 4 A rear view of the rigidly connected high-precision fine adjustment magnetic watch holder is provided for some embodiments of the utility model.

[0025] Figure 5 A left view of the rigidly connected high-precision fine adjustment magnetic watch holder is provided for some embodiments of the utility model.

[0026] In the figure: 1, magnetic watch holder; 2, horizontal rod locking nut; 3, cylindrical pin; 4, secondary fine adjustment locking screw; 5, main fine adjustment locking screw; 6, vertical rod; 7, adapter body; 8, vertical rod locking screw; 9, lever connecting body; 10, horizontal rod; 11, watch locking screw; 12, watch locking chuck. DETAILED DESCRIPTION

[0027] The embodiments of the utility model will be described by specific embodiments, and those skilled in the art can easily understand other advantages and effects of the utility model from the disclosed content of the specification. Obviously, the described embodiments are part of the embodiments of the utility model, not all. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0028] As Figures 1 to 5 shown, the rigidly connected high-precision fine adjustment magnetic watch holder in the first aspect embodiment of the utility model is composed of magnetic watch holder 1, horizontal rod locking nut 2, cylindrical pin 3, secondary fine adjustment locking screw 4, main fine adjustment locking screw 5, vertical rod 6, adapter body 7, vertical rod locking screw 8, lever connecting body 9, horizontal rod 10, watch locking screw 11 and watch locking chuck 12, and the magnetic watch holder 1 is used for providing stable magnetic force adsorption basis.

[0029] First, the vertical rod 6 is connected at the top end of the magnetic watch holder 1, the adapter body 7 is fixed outside the vertical rod 6, the vertical rod locking screw 8 is screwed inside the adapter body 7, and by rotating the vertical rod locking screw 8, the tightness of the adapter body 7 clamped outside the vertical rod 6 can be adjusted. When in the loosened state, the height of the adapter body 7 on the vertical rod 6 can be adjusted, and then the vertical rod locking screw 8 can be tightened.

[0030] Second, the side of the adapter 7 is connected with the lever connecting body 9 through the cylindrical pin 3, the top and bottom of the other side of the adapter 7 are respectively screwed with the secondary fine adjustment locking screw 4 and the main fine adjustment locking screw 5, the end of the secondary fine adjustment locking screw 4 abuts against the bottom of the lever connecting body 9, the end of the main fine adjustment locking screw 5 abuts against the top of the lever connecting body 9, by rotating the secondary fine adjustment locking screw 4 and the main fine adjustment locking screw 5 (the threads on the secondary fine adjustment locking screw 4 and the main fine adjustment locking screw 5 are fine threads, the smaller the pitch, the higher the fine adjustment accuracy), the deflection angle of the lever connecting body 9 can be adjusted (for example, taking the view angle of the attached drawing as an example, tighten the secondary fine adjustment locking screw 4 while loosening the main fine adjustment locking screw 5, the lever connecting body 9 rotates counterclockwise around the cylindrical pin 3, and the same applies to clockwise rotation), the end of the lever connecting body 9 away from the adapter 7 is screwed with the crossbar locking nut 2, the end of the crossbar locking nut 2 is provided with a through hole, and the crossbar 10 is inserted into the through hole, so when the lever connecting body 9 rotates clockwise or counterclockwise, the crossbar 10 also rotates clockwise or counterclockwise, and the dial locking chuck 12 installed on the end of the crossbar 10 through the dial locking screw 11, when the dial locking chuck 12 is installed with a dial gauge or a dial indicator, the dial gauge or the dial indicator moves down or up when the crossbar 10 rotates clockwise or counterclockwise. Figure 3

[0031] When the rigidly connected high-precision fine adjustment magnetic table base is used, the following situations are included:

[0032] 1. After loosening the vertical rod locking screw 8, the whole of the adapter 7, the cylindrical pin 3, the lever connecting body 9, the secondary fine adjustment locking screw 4, the main fine adjustment locking screw 5, the crossbar locking nut 2, the crossbar 10, the dial locking screw 11, and the dial locking chuck 12 can move up and down, realizing the adjustment of the distance between the dial gauge or the dial indicator and the measuring plate (not shown in the drawing) in a large range;

[0033] 2. During the process of tightening the crossbar locking nut 2, the crossbar 10 will rotate with the crossbar locking nut 2 because the crossbar 10 is inserted into the through hole of the crossbar locking nut 2, and the dial locking chuck 12 will also rotate after the crossbar 10 rotates, which can also adjust the distance between the dial gauge or the dial indicator and the measuring plate (not shown in the drawing);

[0034] 3. Tighten the dial locking screw 11 to loosen the dial locking chuck 12 on the crossbar 10, at this time, the whole of the dial locking chuck 12 and the dial gauge or the dial indicator can be manually operated to rotate around the crossbar 10 in a small range;

[0035] ​4, tighten the sub-fine adjustment locking screw 4, while loosening the main fine adjustment locking screw 5, lever connecting body 9, crossbar 10, watch locking screw 11, watch locking chuck 12 as a whole, with cylindrical pin 3 as the center, counterclockwise rotation, ultimately expressed as the dial gauge or dial gauge upward movement;

[0036] 5, loosen the sub-fine adjustment locking screw 4, while tightening the main fine adjustment locking screw 5, lever connecting body 9, crossbar 10, watch locking screw 11, watch locking chuck 12 as a whole, with cylindrical pin 3 as the center, clockwise rotation, ultimately expressed as the dial gauge or dial gauge downward movement;

[0037] 6, while locking the sub-fine adjustment locking screw 4 and the main fine adjustment locking screw 5, the lever connecting body 9 cannot rotate again, at this time, the reading of the dial gauge or dial gauge is less than the predetermined value 0.05mm, continue to tighten the main fine adjustment locking screw 5, can make the fine adjustment mechanism micro elastic deformation, driven dial gauge or dial gauge downward movement, realize high-precision fine adjustment, fine adjustment accuracy 0.002mm;

[0038] It should be noted that: the 4th and 5th points, the fine adjustment range of the dial gauge or dial gauge upward and downward movement is 8mm, and this fine adjustment can realize fine adjustment accuracy 0.03mm. Use the ratio of effort lever arm equal to the ratio of moving distance.

[0039] Although the utility model has been described in detail above with general description and specific embodiments, some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, these modifications or improvements made on the basis of not deviating from the spirit of the utility model, all belong to the scope of the utility model claimed.

[0040] The terms such as "up", "down", "left", "right", "middle" and the like cited in the specification are only for the convenience of clear description, and are not used to limit the scope of the utility model, and the change or adjustment of the relative relationship is also considered as the scope of the utility model without substantial change of technical content.

Claims

1. A rigidly connected high-precision fine adjustment magnetic watch holder, comprising a magnetic watch holder (1), characterized in that, Also included are: a vertical rod (6) connected to the top end of the magnetic base (1); an adapter (7) fixed to the outside of the vertical rod (6) and adjusted in tightness on the vertical rod (6) by a vertical rod locking screw (8); a lever connecting body (9) rotatably connected to the adapter (7) by a cylindrical pin (3) and adjusted in deflection angle by a secondary fine adjustment locking screw (4) and a primary fine adjustment locking screw (5); a cross rod (10) connected to the lever connecting body (9) by a cross rod locking nut (2) and deflected with the lever connecting body (9); a gauge locking clamp (12) installed at the end of the cross rod (10) by a gauge locking screw (11) for clamping a dial gauge or a dial indicator.

2. The rigidly connected high-precision fine adjustment magnetic watch holder according to claim 1, characterized in that The vertical rod locking screw (8) is screwed into the inside of the adapter (7) for adjusting and locking the position of the adapter (7) on the vertical rod (6).

3. The rigidly connected high precision fine adjustment magnetic watch holder according to claim 1, characterized in that, The secondary fine adjustment locking screw (4) and the primary fine adjustment locking screw (5) are respectively screwed into the top and bottom of the adapter (7), and their ends respectively abut the bottom and top of the lever connecting body (9), so as to adjust the deflection angle of the lever connecting body (9) by rotation.

4. The rigidly connected high precision fine adjustment magnetic watch holder of claim 1, wherein, The end of the cross rod locking nut (2) is provided with a through hole, and the cross rod (10) is inserted into the through hole and fixed by the cross rod locking nut (2), so that the cross rod (10) is deflected synchronously with the lever connecting body (9).

5. The rigidly connected high precision fine adjustment magnetic watch holder of claim 1, wherein, The threads on the secondary fine adjustment locking screw (4) and the primary fine adjustment locking screw (5) are both fine threads.

6. The rigidly connected high-precision fine adjustment magnetic watch holder according to any one of claims 1-5, characterized in that, Each connecting and fastening mechanism adopts a threaded locking mechanism and a cylindrical pin connection, forming a rigid connection structure.

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