CN215338077U

CN215338077U - Quick measuring device of precision machine part size

Info

Publication number: CN215338077U
Application number: CN202121580311.1U
Authority: CN
Inventors: 黄刚; 陈明锋; 黄田甜; 田晶晶
Original assignee: Wuhan Maichuang Precision Machinery Co ltd
Current assignee: Wuhan Maichuang Precision Machinery Co ltd
Priority date: 2021-07-13
Filing date: 2021-07-13
Publication date: 2021-12-28
Anticipated expiration: 2031-07-13

Abstract

The application discloses a device for quickly measuring the size of a precision mechanical part, which belongs to the technical field of measuring systems and comprises a base, a fixed box, a clamping mechanism and a measuring system, wherein the clamping mechanism comprises a chuck and a clamping jaw arranged in the chuck, and the chuck is in sliding fit with the clamping jaw; the measuring system includes the slide bar, the cover is located the slider of slide bar, with the fixed plate that the slider is connected, the slide bar with slider sliding fit, the slide bar is equipped with two sets ofly, the slide bar level sets up on the base, just the slide bar is equipped with the dipperstick, the zero scale mark of dipperstick with the chuck sets up in same vertical plane, the fixed plate sets up two between the slider, just the fixed plate is vertical setting. The application can reduce the error that produces when measuring precision parts, improves and measures the precision.

Description

Quick measuring device of precision machine part size

Technical Field

The application relates to the technical field of measuring systems, in particular to a device for quickly measuring the size of a precision mechanical part.

Background

At present, a plurality of precision parts exist in the market, and the sizes of various precision parts are measured after the precision parts are produced, so that the sizes of the parts are ensured to be within an error range. As shown in fig. 1, one end surface of the precision part is a plane, and the other end surface of the precision part is an arc surface, when the length of the precision part is measured, it is difficult for a measurer to find the center position of the arc surface, and the measured position is deviated, so that the measurement error is relatively large.

For the related technologies, the inventor thinks that when a precision part with a cambered surface is measured, the measured result error is large, and the measurement accuracy is low.

SUMMERY OF THE UTILITY MODEL

In order to reduce the error that produces when measuring above-mentioned type precision part, improve and measure the precision, this application provides a precision machine part size quick measuring device.

The application provides a precision machine part size rapid measurement device adopts following technical scheme:

the utility model provides a quick measuring device of precision machine part size, including the base, with base fixed connection's fixed case, set up in clamping mechanism in the fixed case, be fixed in the measurement system of base, clamping mechanism include the chuck, set up in jack catch in the chuck, the chuck with jack catch sliding fit, measurement system includes the slide bar, the cover is located the slider of slide bar, with the fixed plate that the slider is connected, the slide bar with slider sliding fit, the slide bar is equipped with two sets ofly, the slide bar level sets up on the base, just the slide bar is equipped with the dipperstick, the zero scale mark of dipperstick with the chuck sets up in the same vertical plane, the fixed plate sets up two between the slider, just the fixed plate is vertical setting.

Through above-mentioned technical scheme, clamping mechanism fixes precision part on the chuck, then removes the fixed plate through the slider, and the fixed plate contacts with shown precision part's cambered surface center department, can measure precision part's correct size this moment to can reduce measuring error, improve and measure the precision.

Further, the jack catch is equipped with threely, the jack catch include the slider, with slider fixed connection's splint, splint use rubber to make, the slider evenly sets up on the chuck, splint perpendicular to the chuck sets up, the chuck with slider sliding fit.

Through above-mentioned technical scheme, the jack catch is equipped with threely, makes the precision part of centre gripping more stable, and splint use rubber to make can reduce the impaired risk of precision part, and the slip piece can be followed the chuck and slided for clamping mechanism can the different precision part of centre gripping size.

Furthermore, the sliding part is connected to the driving disc, a convex block is arranged on the side face, away from the clamping plate, of the sliding part, an arc-shaped groove is formed in the driving disc, and the driving disc is in sliding fit with the sliding part.

Through above-mentioned technical scheme, slider and driving-disc sliding fit, when the driving-disc rotated, the slider can remove along the arc groove in the driving-disc to realize the slip of slider on the chuck.

Further, the driving-disc is connected in the dwang, the dwang level sets up, dwang one end with driving-disc fixed connection, the other end wear to locate fixed case, just the dwang with fixed case rotates to be connected, the dwang stretches out the part of fixed case is equipped with the rolling disc, the rolling disc cover is established on the dwang.

Through above-mentioned technical scheme, the dwang is connected with the rolling disc for it is more laborsaving to control the dwang.

Furthermore, the slide bar is arranged in the slide block in a penetrating manner, a sliding groove is formed in the slide bar, a pulley is arranged in the slide block, the pulley is arranged in the sliding groove of the slide bar, and the slide bar is in sliding fit with the slide block.

Through above-mentioned technical scheme, set up the pulley in the slider, make the frictional force between slider and the slide bar diminish, make the removal of fixed plate convenient more quick.

Further, the slider lateral wall is equipped with the fastener, the fastener wears to locate the slider lateral wall, just the fastener with slider screw-thread fit.

Through above-mentioned technical scheme, when sliding the mounting to contact precision parts surface, screw up the fastener on the slider, make the slider fix, avoid the slider to take place the displacement, lead to measuring inaccurate.

In summary, the present application includes at least one of the following advantageous technical effects:

(1) the clamping mechanism fixes the precision part on the chuck, then the fixed plate is moved through the sliding block, and the fixed plate is contacted with the center of the cambered surface of the precision part, so that the correct size of the precision part can be measured, the measurement error can be reduced, and the measurement accuracy is improved;

(2) the clamping jaws are three, so that the precision parts can be clamped more stably, the clamping plate is made of rubber, the risk of damaging the precision parts can be reduced, and the sliding part can slide along the chuck, so that the clamping mechanism can clamp the precision parts with different sizes;

(3) when the fixing piece slides to the surface of the contact precision part, the fastener on the sliding block is screwed down to fix the sliding block, so that the sliding block is prevented from displacing and inaccurate measurement is avoided.

Drawings

FIG. 1 is a background art drawing of the present application;

FIG. 2 is a front view of the rapid measuring device for the size of precision parts of the present application;

FIG. 3 is a side view of the precision part dimension rapid measurement device of the present application;

FIG. 4 is a schematic view of the clamping mechanism of the present application;

FIG. 5 is a schematic view of a drive plate configuration of the present application;

FIG. 6 is a cross-sectional view of a slider of the present application.

The reference numbers in the figures illustrate:

1. a base; 11. a support frame; 2. a fixed box; 3. a clamping mechanism; 31. a chuck; 32. a claw; 321. a slider; 322. a splint; 33. a drive disc; 34. rotating the rod; 35. rotating the disc; 4. a measurement system; 41. a slide bar; 42. a slider; 421. a pulley; 422. a fastener; 43. a fixing plate; 44. and (6) measuring the scale.

Detailed Description

The technical solution in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application; it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments, and all other embodiments obtained by those of ordinary skill in the art without any inventive work based on the embodiments in the present application belong to the protection scope of the present application.

In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

The present application is described in further detail below with reference to the attached drawings.

The embodiment of the application discloses precision machinery part size rapid measurement device, please refer to fig. 2 and fig. 3, and the precision machinery part size rapid measurement device comprises a base 1, a fixing box 2, a clamping mechanism 3 and a measurement system 4. The base 1 is a rectangular plate-shaped structure, the top of the base 1 is a horizontal plane, the top of the base 1 is provided with a support frame 11, and the bottom of the base 1 is provided with a groove, so that the weight of the base 1 can be reduced. The vertical setting of fixed box 2 is at the top of base 1, and fixed box 2 is the rectangle structure, and the lateral wall of fixed box 2 is equipped with circular opening, and clamping mechanism 3 sets up in fixed box 2. Clamping mechanism 3 includes chuck 31, jack catch 32, driving-disc 33, dwang 34 and rolling disc 35, and chuck 31 is circular platelike structure, and chuck 31 is vertical to be set up in fixed box 2, has seted up three spouts on the chuck 31. The jack catch 32 is equipped with threely, and the jack catch 32 includes slider 321 and splint 322, and slider 321 sets up in the spout of chuck 31, slider 321 and chuck 31 sliding fit, and splint 322 fixed connection is on slider 321, and slider 321 drives splint 322 and moves on chuck 31 to make splint 322 can the precision part of different specifications of centre gripping, and splint 322 uses rubber materials to make, reduced the risk that precision part is pressed from both sides bad.

Referring to fig. 3, 4 and 5, the sliding member 321 is connected to the driving disc 33, a protrusion is disposed on a side of the sliding member 321 away from the clamping plate 322, an arc-shaped slot is disposed on the driving disc 33, the protrusion on the driving member 321 is disposed in the arc-shaped slot of the driving disc 33, that is, the driving disc 33 is in sliding fit with the sliding member 321, when the driving disc 33 rotates, the sliding member 321 moves along the arc-shaped slot of the driving disc 33, so that the sliding member 321 slides on the chuck 31. The side surface of the driving disc 33 far from the sliding part 321 is connected with a rotating rod 34, the rotating rod 34 is a rod-shaped object with a circular cross section, the axis of the rotating rod 34 is overlapped with the axis of the driving disc 33, and the rotating rod 34 is fixedly welded with the driving disc 33; fixing case 2 is worn to locate by the one end that driving-disc 33 was kept away from to dwang 34, and dwang 34 rotates with fixing case 2 to be connected, and dwang 34 stretches out the partial fixed connection in rotating disc 35 of fixing case 2, and rotating disc 35 is circular structure, has seted up the arc notch on the rotating disc 35, makes things convenient for the staff gripping, and makes to manipulate dwang 34 laborsaving convenient more.

Referring to fig. 2, the measuring system 4 is disposed on the base 1, and the measuring system 4 includes a sliding rod 41, a sliding block 42, a fixing plate 43, and a measuring ruler 44. The number of the sliding rods 41 is two, the sliding rods 41 are rod-shaped objects with rectangular sections, the sliding rods 41 are horizontally arranged between the supporting frames 11, sliding grooves are formed in the side faces of the sliding rods 41, the sliding blocks 42 penetrate through the sliding rods 41, and the sliding blocks 42 are in sliding fit with the sliding rods 41. The fixing plate 43 is a rectangular plate-shaped object, the fixing plate 43 is fixedly installed between the two sliders 42, the fixing plate 43 is vertically arranged, and the side surface of the fixing plate 43 close to the clamping mechanism 3 and the side surface of the slider 42 close to the clamping mechanism 3 are in the same vertical plane. The measuring scale 44 is arranged at the lower side of the sliding rod 41, the measuring scale 44 is horizontally arranged between the supporting frames 11, and the side surface of the sliding block 42 close to the clamping mechanism 3 is vertical to the measuring scale 44.

Referring to fig. 6, the sliding block 42 is provided with a pulley 421 and a fastening member 422, the pulley 421 is disposed in the sliding slot of the sliding rod 41, so that the friction between the sliding block 42 and the sliding rod 41 is reduced, the sliding block 42 moves more smoothly, the fastening member 422 is disposed on the side wall of the sliding block 42, when the fixing plate 43 contacts with the precision part to fasten the fastening member 422, so that the sliding block 42 is fixed, and the measured data is more accurate.

The principle of the device for rapidly measuring the size of the precision mechanical part in the embodiment of the application is as follows: the end of the precision part to be measured, which is a plane, is placed into the clamping mechanism 3, the end face of the precision part is tightly attached to the end face of the chuck 31, then the rotating disc 35 is rotated to rotate the driving disc 33, so that the clamping plate 322 clamps the precision part, then the sliding block 42 is moved, when the fixing plate 43 is in contact with the arc-shaped end face of the precision part, the fastening piece 422 is screwed, and then data is read from the measuring ruler 44.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a precision machinery part size quick measuring device, including base (1), with base (1) fixed connection's fixed box (2), set up in clamping mechanism (3) in fixed box (2), be fixed in measurement system (4) of base (1), its characterized in that: the clamping mechanism (3) comprises a chuck (31) and a clamping jaw (32) arranged in the chuck (31), and the chuck (31) is in sliding fit with the clamping jaw (32); measurement system (4) are located including slide bar (41), cover slide bar (41) slider (42), with fixed plate (43) that slider (42) are connected, slide bar (41) with slider (42) sliding fit, slide bar (41) are equipped with two sets ofly, slide bar (41) level sets up on base (1), just slide bar (41) are equipped with dipperstick (44), the zero scale mark of dipperstick (44) with chuck (31) set up in same vertical plane, fixed plate (43) set up two between slider (42), just fixed plate (43) are vertical setting.

2. A precision mechanical part dimension rapid measuring apparatus according to claim 1, characterized in that: jaw (32) are equipped with threely, jaw (32) including slider (321), with slider (321) fixed connection's splint (322), splint (322) use rubber to make, slider (321) evenly set up on chuck (31), splint (322) perpendicular to chuck (31) set up, chuck (31) with slider (321) sliding fit.

3. A precision mechanical part dimension rapid measuring apparatus according to claim 2, characterized in that: the sliding part (321) is connected to the driving disc (33), a convex block is arranged on the side face, far away from the clamping plate (322), of the sliding part (321), an arc-shaped groove is formed in the driving disc (33), and the driving disc (33) is in sliding fit with the sliding part (321).

4. A precision mechanical part dimension rapid measuring apparatus according to claim 3, characterized in that: driving-disc (33) is connected in dwang (34), dwang (34) level sets up, dwang (34) one end with driving-disc (33) fixed connection, the other end wears to locate fixed case (2), just dwang (34) with fixed case (2) rotate to be connected, dwang (34) are stretched out the part of fixed case (2) is equipped with rolling disc (35), rolling disc (35) cover is established on dwang (34).

5. A precision mechanical part dimension rapid measuring apparatus according to claim 1, characterized in that: the slide bar (41) is arranged in the slide block (42) in a penetrating manner, a sliding groove is formed in the slide bar (41), a pulley (421) is arranged in the slide block (42), the pulley (421) is arranged in the sliding groove of the slide bar (41), and the slide bar (41) is in sliding fit with the slide block (42).

6. A precision mechanical part dimension rapid measuring device according to claim 5, characterized in that: the side wall of the sliding block (42) is provided with a fastening piece (422), the fastening piece (422) penetrates through the side wall of the sliding block (42), and the fastening piece (422) is in threaded fit with the sliding block (42).