CN106643372A - Testing device for large-and-small external diameter micrometers - Google Patents

Abstract

The invention discloses a detection device for large and small outer diameter micrometers, comprising: a horizontal platform, a first fixing mechanism, a second fixing mechanism and a detection mechanism, wherein: the horizontal platform is provided with a limit block; the first fixing mechanism includes vertically arranged The vertical frame and the clamping head that is installed on the vertical frame and can slide up and down on the vertical frame; the second fixing mechanism includes the first bracket, the second bracket and the fixing assembly; the first bracket and the second bracket are both Located on the side of the limit block close to the first fixing mechanism and the distance between the two is adjustable; the fixed assembly is located on the side of the first bracket and the second bracket away from the limit block and between the fixed assembly and the limit block The spacing is adjustable; the detection mechanism includes a standard gauge block as a reference for detection. The invention can effectively meet the detection requirements of various external diameter micrometers.

Description

A large and small outer diameter micrometer detection device

technical field

The invention relates to the technical field of external micrometer calibration equipment, in particular to a detection device for large and small external micrometers.

Background technique

OUTSIDE MICROMETER (OUTSIDE MICROMETER) is often referred to as micrometer for short. It is mainly composed of a fixed ruler frame, an anvil, a micrometer screw, a fixed sleeve, a micrometer cylinder, a force measuring device, and a locking device. It is more precise than a vernier caliper. length measurement. In practical applications, in order to ensure the accuracy of the measurement results of the outer micrometer, the outer micrometer measurement needs to be tested in advance before use. The existing external micrometer detection device has a small application range and cannot meet the detection requirements of external micrometers of different specifications. Needs to be improved.

Contents of the invention

Based on the technical problems existing in the above-mentioned background technology, the present invention proposes a detection device for large and small outer diameter micrometers.

The present invention proposes a large and small outer diameter micrometer detection device, including: a water platform, a first fixing mechanism, a second fixing mechanism and a detection mechanism, wherein:

There is a linearly extending limit block on the horizontal platform;

The first fixing mechanism is located at one side of the limit block and is fixed on the horizontal platform. The first fixing mechanism includes a vertically arranged stand and a clamping head that is installed on the stand and can slide up and down on the stand; The clamping head is located on the side of the stand close to the limit block and is used to fix the frame of the outer micrometer to be tested;

The second fixing mechanism includes a first bracket, a second bracket and a fixing assembly; the first bracket and the second bracket are located on the side of the limit block close to the first fixing mechanism, and the two are respectively arranged at the limit The two ends of the block, the distance between the two is adjustable; the fixing assembly is located on the side of the first bracket and the second bracket away from the limit block for fixing the frame of the outer micrometer to be detected, and fixing The distance between the component and the limit block is adjustable;

The detection mechanism includes a standard gauge block as a detection reference, and in the detection state, the standard gauge block is located on the side of the limit block close to the first fixing mechanism and abuts against the limit block, and the standard gauge block and the first support The frame and the second bracket are located on the same straight line.

Preferably, a first chute and a second chute are respectively provided on the horizontal platform and on the side of the limit block close to the first fixing mechanism, the first chute and the second chute are located on the same straight line, and the second chute The connecting line between the first chute and the second chute is parallel to the limit block.

Preferably, the first bracket and the second bracket are slidably installed on the first chute and the second chute respectively and can slide back and forth along the extension direction of the first chute and the second chute.

Preferably, the horizontal heights of the first bracket and the second bracket are adjustable.

Preferably, a third chute is provided on the horizontal platform and on the side of the first bracket and the second bracket away from the limiting block, and the extending direction of the third chute is perpendicular to the extending direction of the limiting block.

Preferably, the fixing component is slidably installed at the third chute and can slide back and forth along the extending direction of the third chute.

Preferably, the fixing assembly includes a pressing block and fastening bolts; the pressing block is slidably installed at the third chute, and the side of the pressing block close to the limit block is provided with a slot for the frame of the outer micrometer to snap into, The side of the pressure block away from the horizontal platform is provided with a threaded hole connected to the card slot; the fastening bolt is adapted to the threaded hole, and one end of the fastening bolt extends into the threaded hole and can be screwed in or out of the threaded hole .

Preferably, the stand includes a base, a column and a slide; the base is fixedly installed on a horizontal platform, the column is vertically installed on the base and can rotate relative to the base, the slide is located on the side of the column near the limit block, and the slide It is installed on the column and can slide up and down on the column; the clamping head is installed on the slide table and moves with the movement of the slide table.

Preferably, a mounting base is provided on the slide table, the mounting base has a mounting groove, and a side of the mounting groove close to the supporting platform is provided with a horizontally arranged limiting surface.

Preferably, the clamping head includes a transfer block and a clamping block; one end of the transfer block extends into the installation groove and is movably connected with the installation seat through a connecting shaft, and the transfer block is located between the lower surface of the installation groove part and the installation groove. The limit surface abuts against; the extension direction of the connecting shaft is consistent with the extension direction of the limit block; the end of the adapter block away from the installation groove is provided with a jack that also extends linearly toward the direction of the installation groove; the clamping block includes an integrally formed The connecting part and the clamping part; the connecting part protrudes into the socket and can rotate in the socket; the side wall of the adapter block is provided with a threaded hole communicating with the socket, and the threaded hole is installed with an adapter A fastening screw used to stop the connecting part; the clamping part is located at the end of the connecting part away from the socket and is used for clamping and fixing the frame of the outer micrometer.

Preferably, the upper surface of the horizontal platform is an inclined plane, and the horizontal height of the inclined plane decreases successively from one side of the limiting block to one side of the fixing assembly.

Preferably, the detection mechanism also includes a level detection assembly for detecting the levelness of the outer diameter micrometer, the level detection assembly includes a bracket and a first dial gauge and a second dial gauge fixedly installed at both ends of the bracket, the first thousand gauge The sub-meter and the second thousand indicator are located on the same straight line.

In the present invention, by setting the limit block, the first fixing mechanism, and the second fixing mechanism on the horizontal platform, and making the limit block extend linearly, the first fixing mechanism includes a stand and a clamping head, and the second fixing mechanism Including the first bracket, the second bracket and the fixing assembly, so that the detection mechanism includes a standard gauge block; when testing the outer diameter micrometer, one side of the standard gauge block is in contact with the limit block in advance, and the standard The gauge block is located on the same straight line as the first bracket and the second bracket; when the outer micrometer to be detected is a large-scale structure, it can be realized by adjusting the distance between the first bracket and the second bracket in the second fixing mechanism. Support the measuring surface of the outer micrometer, adjust the distance between the fixed assembly and the limit block so that the fixed assembly can firmly fix the frame of the outer micrometer on the horizontal platform, and finally use the standard gauge block as a reference , to detect whether the outer micrometer is qualified; when the outer micrometer to be tested is a small-sized structure, the distance between the fixed component and the limit block in the second fixing mechanism reaches the minimum value, and it is still impossible to reach the outer micrometer. For the ruler frame, the ruler frame of the outer micrometer can be fixed by the clamping head in the first fixing mechanism, and the measuring surface of the outer micrometer is located on the side close to the horizontal platform, and the standard gauge block is used as a reference , to detect whether the outer micrometer is qualified.

In summary, the present invention proposes a detection device for large and small outer diameter micrometers, through the adjustment of the first bracket, the second bracket and the fixing assembly in the second fixing mechanism, the scope of application of the second fixing member can be increased . At the same time, with the cooperation of the first fixing mechanism, it can effectively meet the detection requirements of various external micrometers of different specifications.

Description of drawings

Fig. 1 is the structural representation of a kind of large and small outer diameter micrometer detection device that the present invention proposes;

Fig. 2 is a working state diagram of a large and small outer diameter micrometer detection device proposed by the present invention.

detailed description

Below, the technical solution of the present invention will be described in detail through specific examples.

As shown in Figures 1-2, Figure 1 is a schematic structural diagram of a large and small outer diameter micrometer detection device proposed by the present invention; Figure 2 is a working state diagram of a large and small outer diameter micrometer detection device proposed by the present invention.

Referring to Figures 1-2, a large and small outer diameter micrometer detection device proposed by the embodiment of the present invention includes: a horizontal platform 1, a first fixing mechanism, a second fixing mechanism and a detection mechanism, wherein: the horizontal platform 1 is provided with a straight line Extended limit block 101, on the horizontal platform 1 and on one side of the limit block 101 are respectively provided with a first chute, a second chute and a third chute, the first chute and the second chute are located On the same straight line, and the connecting line between the first chute and the second chute is parallel to the limiting block 101 , the extending direction of the third chute is perpendicular to the extending direction of the limiting block 101 .

The first fixing mechanism is located on one side of the limit block 101 and is fixed on the horizontal platform 1. The first fixing mechanism includes a vertically arranged stand and a clamping head that is installed on the stand and can slide up and down on the stand 2. 3. The clamping head 3 is located on the side of the stand 2 close to the limit block 101 and is used to fix the frame of the outer micrometer to be tested.

The second fixing mechanism comprises a first bracket 4, a second bracket 5 and a fixed assembly 6; the first bracket 4, the second bracket 5 are adjustable in level, and the first bracket 4, the second bracket 5 are all located on the side of the limit block 101 close to the first fixing mechanism, and the first bracket 4 and the second bracket 5 are respectively slidably installed at the first chute and the second chute and can be connected to the first chute and the second chute. The extension direction of the two chute slides back and forth, so that the distance between them can be adjusted.

The fixing assembly 6 is located on the side of the first bracket 4 and the second bracket 5 away from the limit block 101 for fixing the frame of the outer micrometer to be detected, and the fixing assembly 6 is slidably installed at the third chute And it can slide back and forth along the extending direction of the third sliding groove, so that the distance between the fixing component 6 and the limiting block 101 can be adjusted.

The fixing assembly 6 includes a pressing block 601 and a fastening bolt 602; the pressing block 601 is slidably installed at the third chute, and the side of the pressing block 601 close to the limit block 101 is provided with a frame for snapping in of the outer micrometer. Card slot, the side of the pressing block 601 away from the horizontal platform 1 is provided with a threaded hole communicating with the card slot; the fastening bolt 602 is adapted to the screw hole, and one end of the fastening bolt 602 extends into the threaded hole and can be threaded Screw in or out of the hole. During the detection process, one side of the ruler frame is clamped into the slot, and the fastening bolt 602 is screwed into the threaded hole so that the end thereof abuts against and presses the ruler frame, thereby realizing the fixation of the ruler frame.

The detection mechanism includes a standard gauge block 7 as a detection reference, and in the detection state, the standard gauge block 7 is located on the side of the limit block 101 close to the first fixing mechanism and abuts against the limit block 101, and the standard gauge block 7 is located on the same straight line as the first bracket 4 and the second bracket 5 .

When the present invention detects the outer diameter micrometer, one side of the standard gauge block 7 is in contact with the limit block 101 in advance, and the standard gauge block 7 is located on the same straight line as the first bracket 4 and the second bracket 5 Above; when the outer diameter micrometer to be detected has a large-scale structure, the measuring surface of the outer diameter micrometer is supported by adjusting the distance between the first bracket 4 and the second bracket 5 in the second fixing mechanism. The distance between the fixed assembly 6 and the limit block 101 enables the fixed assembly 6 to firmly fix the frame of the outer micrometer on the horizontal platform 1, and finally use the standard gauge block 7 as a reference to detect whether the outer micrometer is Qualified; when the outer diameter micrometer to be detected is a small-sized structure, so that the distance between the fixed assembly 6 and the limit block 101 in the second fixing mechanism reaches the minimum value and still cannot reach the ruler frame of the outer diameter micrometer, it can be used The clamping head 3 in the first fixing mechanism fixes the frame of the outer micrometer, and makes the measuring surface of the outer micrometer be located on the side close to the horizontal platform 1, and with the standard gauge block 7 as a reference, detects Whether the outer micrometer is qualified.

As can be seen from the above, the detection device for a large and small outer diameter micrometer proposed by the present invention can increase the size of the second fixing member through the adjustment of the first bracket 4, the second bracket 5 and the fixing assembly 6 in the second fixing mechanism. scope of application. At the same time, with the cooperation of the first fixing mechanism, it can effectively meet the detection requirements of various external micrometers of different specifications.

In addition, in this embodiment, the stand 2 includes a base, a column and a sliding platform; the base is fixedly installed on the horizontal platform 1, the column is vertically installed on the base and can rotate relative to the base, and the sliding platform is located near the limit block on the column On one side of 101, the sliding platform is installed on the column and can slide up and down on the column. There is a mounting seat on the sliding platform, and the mounting seat has a mounting groove. The side of the mounting groove close to the supporting platform is provided with a horizontally arranged limit surface The clamping head 3 includes a transfer block 301 and a clamping block 302; one end of the transfer block 301 extends into the installation groove and is movably connected with the mounting seat through a connecting shaft, and the transfer block 301 is located on the lower surface of the installation groove part and The limit surface of the installation groove is against; the extension direction of the connecting shaft is consistent with the extension direction of the limit block 101; the end of the adapter block 301 away from the installation groove is provided with a jack that also extends linearly toward the installation groove; clamping The block 302 includes an integrally formed connecting portion and a clamping portion; the connecting portion extends into the socket and can rotate in the socket; the side wall of the adapter block 301 is provided with a threaded hole communicating with the socket, and the threaded hole A tightening screw 9 adapted to stop the connecting portion is installed at the hole; the clamping portion is located at the end of the connecting portion away from the socket for clamping and fixing the frame of the outer micrometer. The setting of above-mentioned structure makes column can rotate relatively base, and slide table can be carried out sliding up and down on column, and clamping block 302 can lift up certain angle relative to slide table, and makes the connection part in clamping block 302 can Rotate relative to the adapter block 301, use the rotation of the column to adjust the position of the outer micrometer so that it is at the position of the standard gauge block, use the rotation of the connecting part to align the parallelism of the measuring surface of the outer micrometer, and use the sliding table The horizontal height of the clamping part can be adjusted by sliding up and down, and the installation or removal of the outer micrometer can be facilitated by using the upward movement of the adapter block 301. Therefore, after the outer micrometer is fixed, the position can be adjusted flexibly to quickly and accurately find out the levelness of its measuring surface, so that the detection result is more accurate and reliable.

In this embodiment, the upper surface of the horizontal platform 1 is an inclined plane, and the horizontal height of the inclined plane decreases successively from one side of the limiting block 101 to one side of the fixing assembly 6, so as to avoid the interference of the fixed ruler frame on the measuring surface. .

In this embodiment, the detection mechanism also includes a level detection assembly 8, and the level detection assembly 8 includes a bracket and a first dial gauge and a second dial gauge fixedly installed at both ends of the bracket. The gauges are located on the same straight line, and the levelness of the measuring surface of the outer diameter micrometer is detected by utilizing the first dial gauge and the second dial gauge in the level detection assembly 8 to cooperate with each other.

The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, any person familiar with the technical field within the technical scope disclosed in the present invention, according to the technical solution of the present invention Any equivalent replacement or change of the inventive concepts thereof shall fall within the protection scope of the present invention.

Claims (10)

1. a kind of big small-sized outside micrometer detection means, it is characterised in that include：Horizontal stand (1), the first fixed mechanism, Two fixed mechanisms and testing agency, wherein：

Horizontal stand (1) is provided with linearly extended limited block (101)；

First fixed mechanism is located at the side of limited block (101) and is fixed on horizontal stand (1), and the first fixed mechanism includes vertical The stand of arrangement and the clamping head (3) installed in stand and can be slided up and down in stand (2)；Clamping head (3) position It is used to be fixed the chi frame of outside micrometer to be detected near the side of limited block (101) in stand (2)；

Second fixed mechanism includes the first bracket (4), the second bracket (5) and fixation kit (6)；First bracket (4), second Bracket (5) is respectively positioned on limited block (101) near the side of the first fixed mechanism and the two is separately positioned on the two of limited block (101) End, spacing therebetween is adjustable；The fixation kit (6) is positioned at the first bracket (4), the second bracket (5) away from limited block (101) side is used to be fixed the chi frame of outside micrometer to be detected, and fixation kit (6) and limited block (101) it Between spacing it is adjustable；

Testing agency includes the standard gauge block (7) as detection reference, and in detection state, the standard gauge block (7) is positioned at limit Position block (101) reclines near the side of the first fixed mechanism and with limited block (101), and the standard gauge block (7) and the first bracket (4), the second bracket (5) is located along the same line.

2. big small-sized outside micrometer detection means according to claim 1, it is characterised in that on horizontal stand (1) and position The first chute, the second chute are respectively equipped with limited block (101) near the side of the first fixed mechanism, first chute, the Two chutes are located along the same line, and the line between the first chute, the second chute is parallel to limited block (101)；Preferably, One bracket (4), the second bracket (5) are slidably mounted on respectively at the first chute, the second chute and can the first chute, the second chutes Bearing of trend slidably reciprocates.

3. big small-sized outside micrometer detection means according to claim 1, it is characterised in that the first bracket (4), second The level height of bracket (5) is adjustable.

4. big small-sized outside micrometer detection means according to claim 1, it is characterised in that on horizontal stand (1) and position The 3rd chute, the bearing of trend of the 3rd chute are provided with the first bracket (4), the second bracket (5) away from the side of limited block (101) It is vertical with the bearing of trend of limited block (101)；Preferably, fixation kit (6) is slidably mounted at the 3rd chute and can be along the 3 The bearing of trend of chute slidably reciprocates.

5. big small-sized outside micrometer detection means according to claim 1, it is characterised in that fixation kit (6) includes Briquetting (601) and fastening bolt (602)；The briquetting (601) is slidably mounted at the 3rd chute, and briquetting (601) is near spacing The side of block (101) is provided with the draw-in groove snapped in for the chi frame of outside micrometer, and briquetting (601) sets away from the side of horizontal stand (1) There is the screwed hole connected with draw-in groove；The fastening bolt (602) is adapted to screw, and screw thread is stretched into one end of fastening bolt (602) In hole and can precession or back-out in screwed hole.

6. big small-sized outside micrometer detection means according to claim 1, it is characterised in that stand (2) including base, Column and slide unit；On base fixed installation horizontal stand (1), column be vertically installed on base and can respect thereto carry out turning Dynamic, slide unit is located at column near the side of limited block (101), and slide unit is arranged on column and can up and down be slided on column It is dynamic；The clamping head (3) is moved on slide unit and with the motion of slide unit.

7. big small-sized outside micrometer detection means according to claim 6, it is characterised in that slide unit is provided with installation Seat, mounting seat has mounting groove, and mounting groove is provided with horizontally disposed confined planes near the side of supporting table.

8. big small-sized outside micrometer detection means according to claim 7, it is characterised in that clamping head (3) is including turning Connect block (301) and grip block (302)；One end of transfer block (301) stretches to mounting groove and by connecting shaft and mounting seat activity Connection, and transfer block (301) positioned at lower surface and the mounting groove for installing slot part confined planes against；The extension of the connecting shaft Direction is consistent with the bearing of trend of limited block (101)；Transfer block (301) is provided with also to mounting groove direction away from one end of mounting groove Linearly extended jack；Grip block (302) is including integrally formed connecting portion and clamping part；The connecting portion is stretched in jack Portion simultaneously can rotate in jack；Transfer block (301) side wall is provided with the screwed hole connected with jack, be provided with screwed hole with It is adapted for carrying out connecting portion the fastening screw (9) of stop；The retaining part is used in connecting portion away from jack one end The chi frame of outside micrometer is clamped, fixed.

9. big small-sized outside micrometer detection means according to claim 1, it is characterised in that the upper table of horizontal stand (1) Face is inclined-plane, and the level height on the inclined-plane is successively decreased successively by the side of a lateral fixation kit (6) of limited block (101).

10. the big small-sized outside micrometer detection means according to any one of claim 1-9, it is characterised in that detection Mechanism also includes the horizontal detection component (8) for detecting the levelness of outside micrometer, and horizontal detection component (8) is including support With the first amesdial, the second amesdial for being fixedly mounted on support two ends, first amesdial, the second amesdial are located at same On straight line.