CN218847095U - Center distance gauge - Google Patents

Abstract

The utility model discloses a center distance checking fixture, which comprises a mounting seat, a first positioning component, a second positioning component and a detection component, wherein the mounting seat comprises a workbench; the first positioning assembly comprises a first positioning column and a first tensioning piece, the first positioning column is fixedly arranged on the workbench, and the first tensioning piece is sleeved on the first positioning column; the second positioning assembly comprises a second positioning column and a second tensioning piece, the second positioning column is slidably mounted on the workbench, and the second tensioning piece is sleeved on the second positioning column; the detection assembly comprises a detection table arranged on the workbench, the first positioning assembly and the second positioning assembly can be matched with each other to position a workpiece to be detected, the detection table is positioned on an extension line of the central lines of two round holes of the workpiece to be detected, the second positioning assembly is positioned between the first positioning assembly and the detection table, and the detection end of the detection table can be abutted to the second positioning column. The center distance detection tool is simple in structure, low in cost, convenient to operate and high in detection efficiency.

Description

Center distance gauge

Technical Field

The utility model relates to a machine part check out test set technical field, in particular to utensil is examined to centre-to-centre spacing.

Background

In the related art, some connecting rod parts are provided with two round holes, and the center distance of the two round holes needs to be detected after the connecting rod is machined. At present, adopt three coordinate appearance to measure out the centre-to-centre spacing of two round holes on with the connecting rod usually, compare with the standard value again to confirm whether the centre-to-centre spacing meets the requirements, but three coordinate appearance price is expensive, thereby leads to the detection cost of connecting rod higher, and owing to adopt three coordinate appearance, need get a lot of points around the round hole, and just can obtain the centre-to-centre spacing of two round holes through calculating, work efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides an utensil is examined to centre-to-centre spacing can reduce the detection cost to improve detection efficiency.

According to the utility model discloses an utensil is examined to centre-to-centre spacing of first aspect embodiment, include: the device comprises a mounting seat, a first positioning assembly, a second positioning assembly and a detection assembly, wherein the mounting seat comprises a workbench; the first positioning assembly comprises a first positioning column and a first tensioning piece, the first positioning column is fixedly arranged on the workbench, and the first tensioning piece is sleeved on the first positioning column; the second positioning assembly comprises a second positioning column and a second tensioning piece, the second positioning column is slidably mounted on the workbench, and the second tensioning piece is sleeved on the second positioning column; the detection assembly comprises a detection meter, the detection meter is installed on the workbench, and the detection end of the detection meter can be abutted against the second positioning column. The first positioning assembly and the second positioning assembly can be matched with each other to position a workpiece to be detected, and the second positioning assembly is located between the first positioning assembly and the detection meter.

According to the utility model discloses utensil is examined to centre-to-centre spacing has following beneficial effect at least: two round holes of the work piece that awaits measuring cup joint respectively in the periphery of first tensioning piece and second tensioning piece, and the periphery of first tensioning piece and second tensioning piece can expand along radial outside to the work piece that awaits measuring is awaited measuring in the location, the centre of a circle position of two round holes can be confirmed to first reference column and second reference column, and whether the centre-to-centre spacing that rethread detected two round holes accords with the requirement, and the centre-to-centre spacing of this application examines simple structure, and the cost is lower, and convenient operation, detection efficiency is higher.

According to the utility model discloses a some embodiments, first tensioning member includes first elastic sleeve, first elastic sleeve cup joint in first reference column, the one end of work piece that awaits measuring can cup joint in first elastic sleeve.

According to some embodiments of the utility model, first tensioning member still includes first tensioning axle, first tensioning axle slide cup joint in first location post, first elastic sleeve with the clearance has between the first location post, first tensioning axle can slide in the clearance.

According to some embodiments of the utility model, first straining shaft is equipped with the toper portion, the radius crescent from up down is followed to the toper portion, the toper portion can stretch into the clearance.

According to some embodiments of the present invention, the first positioning assembly further comprises a first pushing member, the first pushing member is slidably mounted on the first positioning column, and the first pushing member can drive the first tensioning shaft to slide into the gap.

According to some embodiments of the present invention, the second positioning assembly further includes a first elastic member, the first elastic member is sleeved on the first positioning post and located on one side of the first pushing member away from the first tensioning shaft, and the movable end of the first elastic member abuts against the first tensioning shaft.

According to some embodiments of the present invention, the first pushing member is sleeved on the first positioning column and located above the first tensioning shaft, and the first pushing member abuts against the first tensioning shaft.

According to some embodiments of the utility model, the workstation is equipped with the slip table, second locating component still includes the slider, slider slidable mounting in the slip table, the second reference column install in the slider.

According to some embodiments of the utility model, the mount pad still include with workpiece phase-match rack awaits measuring, the rack install in the workstation.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The invention will be further described with reference to the following drawings and examples, in which:

fig. 1 is a schematic structural view of a center distance measuring tool according to an embodiment of the present invention;

fig. 2 is a top view of a center distance measuring device according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a workpiece to be measured according to an embodiment of the present invention.

Reference numerals:

a mounting base 100; a work table 110; a slide table 120; a rack 130; a handle 140; a leg 150;

a first positioning assembly 200; a first positioning post 210; a first tensioning member 220; a first elastic sheath 221; a first tensioning shaft 222; a first pusher member 230; the first elastic member 240; a holder 250;

a second positioning assembly 300; a second positioning post 310; a second tensioning member 320; a slider 330; an abutting portion 331;

a detection assembly 400; a detection table 410; a detection terminal 411; a gauge stand 420;

a workpiece 500 to be tested; a circular aperture 510.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does 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.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the terms such as setting, installing, connecting, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meaning of the terms in the present invention by combining the specific contents of the technical solution.

Referring to fig. 1 to 3, the utility model provides an utensil is examined to centre-to-centre spacing, it includes: mount 100, first positioning assembly 200, second positioning assembly 300, and detection assembly 400. The mounting base 100 includes a working platform 110, the first positioning assembly 200 is mounted on the working platform 110, the first positioning assembly 200 includes a first positioning column 210 and a first tensioning member 220, and the first positioning column 210 is sleeved with the first tensioning member 220. The second positioning assembly 300 is mounted on the worktable 110, the second positioning assembly 300 includes a second positioning column 310 and a second tensioning member 320, the second positioning column 310 is slidably mounted on the worktable 110, and the second tensioning member 320 is sleeved on the second positioning column 310. The detecting assembly 400 includes a detecting table 410, the detecting table 410 is installed on the worktable 110, a detecting end 411 of the detecting table 410 abuts against the second positioning pillar 310, and the detecting table 410 can detect whether the center distance of the two circular holes 510 on the workpiece 500 to be detected meets the requirement.

It should be noted that the distance between the first positioning pillar 210 and the second positioning pillar 310 corresponds to the distance between the two circular holes 510 on the workpiece 500 to be measured. The two circular holes 510 of the workpiece 500 to be measured are respectively sleeved on the peripheries of the first tensioning member 220 and the second tensioning member 320. The outer circumference of the first tensioning member 220 expands radially outward to fix the workpiece 500, and the central axis of the first positioning column 210 coincides with the central axis of the corresponding circular hole 510, and the outer circumference of the second tensioning member 320 expands radially outward to fix the workpiece 500, and the central axis of the second positioning column 310 coincides with the central axis of the corresponding circular hole 510. Before detecting the workpiece 500 to be detected, the standard component is used for zeroing the detection table 410, the standard component is a workpiece with a center distance meeting the requirement, the standard component is taken down after the detection table 410 is zeroed, the workpiece 500 to be detected is fixed on the first positioning component 200 and the second positioning component 300, data detected by the detection table 410 is a difference value between the center distance of the workpiece 500 to be detected and the standard component, and if the difference value is within a preset requirement, the center distance of the workpiece 500 to be detected meets the requirement. For example, the tolerance of the center distance is-0.004 mm to 0.004mm, after the standard component is calibrated and zeroed, the workpiece 500 to be measured detected by the detection table 410 is-0.004 mm to 0.004mm, the workpiece 500 to be measured is qualified, and if the tolerance exceeds the range, the workpiece 500 to be measured is unqualified.

It should be further noted that the second positioning assembly 300 is located between the first positioning assembly 200 and the test meter 410, and the second positioning post 310 is located between the first positioning post 210 and the testing end 411 of the test meter 410. The first positioning column 210 is fixedly mounted on the worktable 110, the first positioning column 210 can position the center of one of the circular holes 510, the second positioning column 310 is slidably mounted on the worktable 110, the second positioning column 310 can determine the center of the other circular hole 510, when the workpiece 500 to be detected is positioned, the second positioning column 310 also slides relatively, the detection end 411 of the detection meter 410 abuts against the second positioning column 310, and the detection meter 410 can detect the difference between the center distance of the workpiece 500 to be detected and the center distance of the standard component. The center distance detection tool is simple in structure, production and manufacturing cost can be reduced, the center distance detection tool is convenient to operate, and detection efficiency is improved.

In some embodiments of the present invention, the first tensioning member 220 includes the first elastic sleeve 221, the first elastic sleeve 221 is sleeved on the periphery of the first positioning post 210, one of the circular holes 510 of the workpiece 500 to be measured is sleeved on the periphery of the first elastic sleeve 221, the first elastic sleeve 221 can be expanded outwards, and the outer wall of the first elastic sleeve 221 can abut against the inner wall of the circular hole 510, so as to position the circular hole 510. The first elastic sleeve 221 may be an elastic sleeve made of rubber.

In some embodiments of the present invention, the first tensioning device further includes a first tensioning shaft 222, the first tensioning shaft 222 is slidably sleeved on the first positioning post 210, a gap is formed between the first elastic sleeve 221 and the first positioning post 210, one end of the first tensioning shaft 222 can slide into the gap and can squeeze the first elastic sleeve 221, so that the first elastic sleeve 221 is outwardly expanded to position one of the round holes 510 of the workpiece 500 to be measured.

It should be noted that the first tensioning shaft 222 is located on the upper side of the first elastic sleeve 221, the lower end of the first tensioning shaft 222 is provided with a tapered portion, the diameter of the tapered portion gradually increases from bottom to top, and the first tensioning shaft 222 can drive the tapered portion to slide into the gap between the first elastic sleeve 221 and the first positioning column 210 from the upper end of the first elastic sleeve 221, and gradually press the first elastic sleeve 221, so that the first elastic sleeve 221 gradually expands outward. By providing the tapered portion on the first tensioning shaft 222, the first tensioning shaft 222 can be easily and smoothly inserted into the gap between the first positioning post 210 and the first elastic sleeve 221, so that the first elastic sleeve 221 can be uniformly expanded outward.

In some embodiments of the present invention, the first positioning assembly 200 further includes a first pushing member 230, the first pushing member 230 is slidably mounted on the first positioning post 210, the first pushing member 230 is located above the first tensioning axle 222, and the first pushing member 230 can slide downward to push the first tensioning axle 222 to slide downward to slide into the gap between the first elastic sleeve 221 and the first positioning post 210. It should be noted that the first pushing member 230 has a through hole, and the first positioning column 210 penetrates through the through hole, so that the pushing member is slidably mounted on the first positioning column 210. It should also be noted that the lower end of the first pushing member 230 can be connected to the first tensioning shaft 222, so as to also drive the tensioning shaft to slide upward to slide out of the gap.

In some embodiments of the present invention, the second positioning assembly 300 further includes a first elastic member 240, the first elastic member 240 is sleeved on the first positioning column 210 and located on one side of the first tensioning shaft 222 away from the first pushing member 230, i.e. located below the first tensioning shaft 222, the movable end of the first elastic member 240 abuts against the lower end surface of the first tensioning shaft 222, and the fixed end of the first elastic member 240 can be connected to the worktable 110. By arranging the first elastic member 240, the lower end surface of the first tensioning shaft 222 can be kept horizontal when sliding into the gap, so that the tapered portion of the first tensioning shaft 222 can uniformly press the first elastic sleeve 221, and the first elastic sleeve 221 can be uniformly expanded outward. The first elastic member 240 may be a spring, etc.

It should be noted that the second tensioning member 320 includes a second elastic sleeve and a second tensioning shaft having the same structure and function as the first tensioning member 220, and the second positioning assembly 300 further includes a second pushing member and a second elastic member having the same structure and function as the first pushing member 230 and the first elastic member 240, and the detailed structure and function are not repeated herein. The first positioning member 200 is capable of positioning one of the circular holes 510, and the second positioning member 300 is capable of positioning the other circular hole 510.

In some embodiments of the present invention, the first positioning assembly 200 further includes a fixing seat 250, the fixing seat 250 is installed on the working platform 110, the fixing seat 250 has an inner cavity, one end of the first positioning column 210 is installed on the fixing seat 250, and the first elastic member 240 is located in the inner cavity. It should be noted that the outer diameter of the fixing base 250 is larger than the outer diameter of the first elastic sleeve 221, the lower end of the first elastic sleeve 221 is fixedly connected to the fixing base 250, and when one circular hole 510 of the workpiece 500 to be measured is sleeved on the periphery of the first elastic sleeve 221, the fixing base 250 can play a role in supporting the workpiece 500 to be measured.

In some embodiments of the present invention, the workbench 110 is further provided with a sliding table 120, the second positioning assembly 300 is provided with a sliding element 330, the second positioning column 310 is fixedly installed on the sliding element 330, the sliding element 330 is slidably installed on the sliding table 120, and the second positioning column 310 can drive the sliding element 330 to slide. It should be noted that the sliding member 330 and the sliding table 120 may be slidably connected by a cross roller rail to improve the sliding accuracy, thereby improving the center distance detection accuracy.

In some embodiments of the present invention, the end of the sliding member 330 facing the detection meter 410 is provided with an abutting portion 331, the abutting portion 331 has a plane, and the detection end 411 of the detection meter 410 abuts against the plane.

In some embodiments of the present invention, the detecting assembly 400 further includes a gauge stand 420, the gauge stand 420 is installed on the worktable 110, and the detecting gauge 410 is installed on the gauge stand 420. The detection gauge 410 may be a dial gauge, a digital display gauge, or the like.

Referring to fig. 2, in some embodiments of the present invention, the mounting base 100 further includes a placing frame 130 matching with the workpiece 500 to be tested, the placing frame 130 is installed on the workbench 110, and the placing frame 130 can be used for placing the standard component. The placing frame 130 has a structure of two bosses, the distance between the two bosses corresponds to the distance between the two round holes 510 of the standard component, and the diameters of the two bosses correspond to the diameters of the two round holes 510 respectively.

Referring to fig. 2, in some embodiments of the present invention, the mounting base 100 further includes two handles 140, and the two handles 140 are respectively mounted on two opposite sides of the worktable 110, so as to move the center distance measuring device by providing the handles 140.

In some embodiments of the present invention, the mounting base 100 further includes a plurality of support legs 150, the support legs 150 are disposed at the bottom of the worktable 110, and the plurality of support legs 150 are disposed at the bottom of the worktable 110 to support the worktable 110, for example, four support legs 150 may be disposed at four corners of the worktable 110.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims (9)

1. A center distance gauge is characterized by comprising:

the mounting seat comprises a workbench;

the first positioning assembly comprises a first positioning column and a first tensioning piece, the first positioning column is fixedly arranged on the workbench, and the first tensioning piece is sleeved on the first positioning column;

the second positioning assembly comprises a second positioning column and a second tensioning piece, the second positioning column is slidably mounted on the workbench, and the second tensioning piece is sleeved on the second positioning column;

the detection assembly comprises a detection meter, the detection meter is arranged on the workbench, and the detection end of the detection meter can abut against the second positioning column;

the first positioning assembly and the second positioning assembly can be matched with each other to position a workpiece to be detected, and the second positioning assembly is located between the first positioning assembly and the detection meter.

2. The center-distance gauge according to claim 1, wherein the first tension member comprises a first elastic sleeve, the first elastic sleeve is sleeved on the first positioning column, and one end of the workpiece to be measured can be sleeved on the first elastic sleeve.

3. The center-distance measuring tool according to claim 2, wherein the first tensioning member further comprises a first tensioning shaft slidably sleeved on the first positioning column, a gap is formed between the first elastic sleeve and the first positioning column, and the first tensioning shaft can slide into the gap.

4. The center-distance measuring tool according to claim 3, wherein the first tensioning shaft is provided with a tapered portion, the radius of the tapered portion gradually increases from bottom to top, and the tapered portion can extend into the gap.

5. The center-distance gauge according to claim 3, wherein the first positioning assembly further comprises a first pushing member, the first pushing member is slidably mounted on the first positioning column, and the first pushing member can drive the first tensioning shaft to slide into the gap.

6. The center-distance measuring tool according to claim 5, wherein the second positioning assembly further comprises a first elastic member, the first elastic member is sleeved on the first positioning column and is located on one side of the first tensioning shaft away from the first pushing member, and a movable end of the first elastic member abuts against the first tensioning shaft.

7. The center-distance gauge according to claim 5, wherein the first pushing member is sleeved on the first positioning column and located above the first tensioning shaft, and the first pushing member abuts against the first tensioning shaft.

8. The center-distance measuring tool according to claim 1, wherein the worktable is provided with a sliding table, the second positioning assembly further comprises a sliding part, the sliding part is slidably mounted on the sliding table, and the second positioning column is mounted on the sliding part.

9. The center-to-center distance gauge according to claim 1, wherein the mounting base further comprises a placing frame matched with the workpiece to be measured, and the placing frame is mounted on the workbench.

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