CN217032401U

CN217032401U - Three-coordinate fine adjustment device

Info

Publication number: CN217032401U
Application number: CN202122646042.0U
Authority: CN
Inventors: 陆庆年; 陈璐
Original assignee: Suzhou Easson Optoelectronics Co ltd
Current assignee: Suzhou Easson Optoelectronics Co ltd
Priority date: 2021-11-01
Filing date: 2021-11-01
Publication date: 2022-07-22
Anticipated expiration: 2031-11-01

Abstract

The utility model discloses a three-coordinate fine adjustment device, wherein one end of a polish rod, which is positioned outside a shell, is fixedly connected with a first gear, the first gear is meshed with a second gear, which is parallel to the axis of the first gear, one end of a hand crank is inserted into a central hole of the second gear, a box body is arranged between the hand crank and the first gear as well as between the hand crank and the second gear, the box body and the first gear, the outer wall surface of one side that the second gear carried on the back mutually is provided with a measuring ring along polished rod circumference, and the polished rod is provided with a lamp source with the tip of measuring ring homonymy on the circumference outer wall, and casing top outer wall is provided with a fixed cover, and open at the top of fixed cover has a screw hole to supply a threaded rod screw in, and the bottom of threaded rod is rotated and is connected a briquetting, and the briquetting bottom is provided with the quiet gyro wheel of a round axis and polished rod axis parallel, and the polished rod is provided with two at least movable gyro wheels parallel with the polished rod axis with the one side that quiet gyro wheel carried on the back mutually. The utility model can improve the stability of the transmission device, thereby reducing fine adjustment errors.

Description

Three-coordinate fine adjustment device

Technical Field

The utility model relates to the technical field of fine adjustment, in particular to a three-coordinate fine adjustment device.

Background

Three-coordinate measuring machines are widely used in the industries of machinery, electronics, instruments, plastics and the like. A three-coordinate measuring machine is one of the most efficient methods of measuring and obtaining dimensional data because it can replace many surface measuring tools and expensive combination gauges and reduce the time required for complex measurement tasks from hours to minutes, an effect that other instruments cannot achieve. The three-coordinate measuring machine mainly comprises a horizontal workbench, a data processor, a mechanical system moving in the x, y and z directions on the workbench, a measuring shaft moving in the z-axis direction, and a fixed measuring head at the lower end of the measuring shaft.

However, the existing three-coordinate fine adjustment device generally uses an air cylinder and a spring to limit a transmission part, but due to the elastic action of the spring, the transmission part is limited and fixed unstably, and fine adjustment precision is affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a three-coordinate fine adjustment device which can improve the stability of a transmission device so as to reduce fine adjustment errors.

In order to achieve the purpose, the utility model adopts the technical scheme that: a fine adjustment device for a three-coordinate measuring machine, the three-coordinate measuring machine comprising: base and moving part, fine setting device includes: the polishing device comprises a shell and a polished rod, wherein the shell is fixedly connected with a moving part, the polished rod penetrates through the shell and is rotatably connected with a base, one end of the polished rod, which is positioned outside the shell, is fixedly connected with a first gear, the first gear is meshed and connected with a second gear, the axis of which is parallel to the axis of the first gear, one end of a handle is inserted into a central hole of the second gear, so that the handle can drive the second gear to rotate when rotating, a box body is arranged between the handle and the first gear and between the handle and the second gear, the outer wall surface of one side of the box body, which is opposite to the first gear and the second gear, is provided with a measuring ring along the circumferential direction of the polished rod, and the end part of the polished rod, which is positioned at the same side as the measuring ring, is provided with a lamp source on the circumferential outer wall;

a fixed sleeve is arranged on the outer wall of the top of the shell, a threaded hole is formed in the top of the fixed sleeve for a threaded rod to be screwed in, and a pressing block capable of sliding in the shell along the direction perpendicular to the axis of the polished rod is rotatably connected to the bottom of the threaded rod;

the bottom of the pressing block is provided with a wheel of static idler wheel with the axis parallel to the axis of the polished rod, at least two movable idler wheels parallel to the axis of the polished rod are arranged on one side of the polished rod, which is opposite to the static idler wheel, the wheel shaft of the movable idler wheels is fixedly connected to the shell, the static idler wheels and the movable idler wheels are equidistantly distributed in the circumferential direction of the polished rod, so that the wheel shafts of the static idler wheels and the movable idler wheels have deflection angles relative to the axis of the polished rod, the polished rod is clamped by the static idler wheels and the movable idler wheels, and the wheel surfaces of the static idler wheels and the movable idler wheels are tightly attached to the polished rod.

The further improved scheme in the technical scheme is as follows:

1. in the above scheme, the radius of the second gear is smaller than that of the first gear.

2. In the above scheme, the first locking bolt is arranged at one end of the same side of the fixed sleeve and the handle, and the first locking bolt penetrates through the fixed sleeve and abuts against the pressing block.

3. In the above scheme, the connecting rod between the handle and the box body is sleeved with a fixed disc, and the fixed disc is provided with a circular screw hole for screwing in of the second locking bolt.

Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

1. according to the three-coordinate fine adjustment device, the bottom of the press block is provided with the static roller with the axis parallel to the axis of the polished rod, one side of the polished rod, opposite to the static roller, is provided with the at least two movable rollers parallel to the axis of the polished rod, the wheel shaft of each movable roller is fixedly connected to the shell, and the static rollers and the movable rollers are distributed in the circumferential direction of the polished rod at equal intervals, so that an offset angle is formed between the wheel axes of the static rollers and the movable rollers and the axis of the polished rod, the polished rod is clamped by the static rollers and the movable rollers, and the wheel surfaces of the static rollers and the movable rollers are tightly attached to the polished rod, so that the stability of a transmission device in a fine adjustment process is ensured, and the reliability of fine adjustment precision is ensured.

2. The utility model relates to a three-coordinate fine adjustment device, wherein a fixed sleeve is arranged on the outer wall of the top of a shell, a threaded hole is formed in the top of the fixed sleeve for a threaded rod to be screwed in, the bottom of the threaded rod is rotatably connected with a pressing block which can slide in the shell along the direction vertical to the axis of a polished rod, and through the matching between the arranged threaded rod and the pressing block, when the pressing block moves towards the polished rod, a static roller wheel is more tightly and firmly attached to the polished rod, the rotation synchronism of a roller set and the polished rod is ensured, the stability of a transmission device is improved, and therefore, fine adjustment errors are reduced.

Drawings

FIG. 1 is a schematic view of a front-view cross-sectional structure of a three-coordinate fine adjustment device of the utility model;

FIG. 2 is a schematic view of a top-view cross-sectional structure of the three-coordinate fine adjustment device of the utility model;

fig. 3 is a schematic view of a partial structure of the three-coordinate fine adjustment device of the utility model.

In the above drawings: 1. a housing; 2. a polish rod; 3. briquetting; 4. fixing a sleeve; 5. a threaded rod; 6. a threaded hole; 7. a first locking bolt; 8. a second lock bolt; 9. moving the roller; 10. a static roller; 11. a first gear; 12. a second gear; 13. c, shaking the hand; 14. a box body; 15. fixing the disc; 16. an anti-slip ring pad; 17. a measuring ring; 18. and a light source.

Detailed Description

In the description of this patent, it is noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; 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 meaning of the above terms in this patent may be understood in a concrete sense to those of ordinary skill in the art.

Example 1: a fine adjustment device for a three-coordinate measuring machine, the three-coordinate measuring machine comprising, in combination: base and moving part, micromatic setting mainly includes: casing 1 and polished rod 2, casing 1 and moving part fixed connection, polished rod 2 pass casing 1 with the base rotates and is connected its characterized in that: a first gear 11 is fixedly connected to one end of the polished rod 2, which is positioned outside the shell, the first gear 11 is meshed with a second gear 12, the axis of which is parallel to the axis of the first gear 11, one end of a handle 13 is inserted into a central hole of the second gear 12, so that the handle 13 can drive the second gear 12 to rotate when rotating, a box body 14 is arranged between the handle 13 and the first gear 11 and the second gear 12, a measuring ring 17 is arranged on the outer wall surface of one side of the box body 14, which is opposite to the first gear 11 and the second gear 12, along the circumferential direction of the polished rod 2, and a lamp source 18 is arranged on the circumferential outer wall of the end of the polished rod 2, which is on the same side as the measuring ring 17;

a fixed sleeve 4 is arranged on the outer wall of the top of the shell 1, a threaded hole 6 is formed in the top of the fixed sleeve 4 for a threaded rod 5 to be screwed in, and a pressing block 3 capable of sliding in the shell 1 along the direction perpendicular to the axis of the polished rod 2 is rotatably connected to the bottom of the threaded rod 5;

the bottom of the pressing block 3 is provided with a static roller 10 with an axis parallel to the axis of the polished rod 2, one side of the polished rod 2, which is opposite to the static roller 10, is provided with at least two movable rollers 9 with axes parallel to the polished rod 2, the wheel shaft of the movable rollers 9 is fixedly connected to the shell 1, and the static rollers 10 and the movable rollers 9 are distributed in the circumferential direction of the polished rod 2 at equal intervals, so that an inclined angle is formed between the wheel axis of the static rollers 10 and the movable rollers 9 and the axis of the polished rod 2, the polished rod 2 is clamped by the static rollers 10 and the movable rollers 9, and the wheel surfaces of the static rollers 10 and the movable rollers 9 are tightly attached to the polished rod 2.

Above-mentioned 12 radiuses of second gear are less than 11 radiuses of first gear, first gear radius through setting up the first gear radius of mutually supporting is greater than the second gear radius as drive gear for rotate many rings through shaking hand drive second gear, first gear just rotates the round, avoids operating personnel's maloperation, the adjusting position changes, lead to measuring the mistake, and manual operation's precision is not enough, when guaranteeing the operation reliability, improve the precision of proofreading, reduce the error that manual operation leads to.

The one end of above-mentioned

fixed cover

4 and 13 homonymies of shaking hand is provided with first locking bolt 7, and above-mentioned first locking bolt 7 passes fixed cover 4 butt on the briquetting for the threaded rod is adjusting the completion back, and first locking bolt can be fixed with the briquetting, prevents that the briquetting position from taking place to remove, is favorable to keeping the reliability of fine setting.

Example 2: a fine tuning apparatus for a three-coordinate measuring machine, the three-coordinate measuring machine comprising, in combination: base and moving part, micromatic setting mainly includes: casing 1 and polished rod 2, casing 1 and moving part fixed connection, polished rod 2 pass casing 1 with the base rotates to be connected, its characterized in that: a first gear 11 is fixedly connected to one end, located outside the shell, of the polished rod 2, the first gear 11 is meshed with a second gear 12 parallel to the axis of the gear, one end of a handle 13 is inserted into a central hole of the second gear 12, so that the handle 13 can drive the second gear 12 to rotate when rotating, a box body 14 is arranged between the handle 13 and the first gear 11 and the second gear 12, a measuring ring 17 is arranged on the outer wall surface of one side, opposite to the first gear 11 and the second gear 12, of the box body 14 along the circumferential direction of the polished rod 2, and a lamp source 18 is arranged on the outer wall of the polished rod 2 on the same side as the measuring ring 17;

a fixed sleeve 4 is arranged on the outer wall of the top of the shell 1, a threaded hole 6 is formed in the top of the fixed sleeve 4 for a threaded rod 5 to be screwed in, and a pressing block 3 which can slide in the shell 1 along the direction perpendicular to the axis of the polished rod 2 is rotatably connected to the bottom of the threaded rod 5;

the bottom of the pressing block 3 is provided with a wheel of static idler wheel 10 with the axis parallel to that of the polished rod 2, one side, opposite to the static idler wheel 10, of the polished rod 2 is provided with at least two movable idler wheels 9 with the axis parallel to that of the polished rod 2, wheel shafts of the movable idler wheels 9 are fixedly connected to the shell 1, the static idler wheels 10 and the movable idler wheels 9 are distributed in the circumferential direction of the polished rod 2 at equal intervals, so that the wheel shafts of the static idler wheels 10 and the movable idler wheels 9 have declination angles relative to the axis of the polished rod 2, the polished rod 2 is clamped by the static idler wheels 10 and the movable idler wheels 9, and wheel surfaces of the static idler wheels 10 and the movable idler wheels 9 are tightly attached to the polished rod 2.

The connecting rod between the handle 13 and the box body 14 is sleeved with a fixed disc 15, the fixed disc 15 is provided with a circular screw hole for the second locking bolt 8 to be screwed in, when the handle is adjusted to a target position, the second locking bolt is screwed, the second gear is ensured to be fixed at the target position, and the problem that the second gear continues to rotate after reaching the target position due to misoperation, so that an adjustment error or even an error is caused is avoided.

An anti-slip ring pad 16 is arranged between the fixed disc 15 and the outer wall of the shell 1.

When the three-coordinate fine adjustment device is adopted, the bottom of the pressing block is provided with a static roller with the axis parallel to the axis of the polished rod, one side of the polished rod opposite to the static roller is provided with at least two movable rollers parallel to the axis of the polished rod, the wheel shaft of the movable rollers is fixedly connected on the shell, the static roller and the movable rollers are distributed at equal intervals in the circumferential direction of the polished rod, so that the wheel axes of the static roller and the movable roller have a declination angle relative to the axis of the polished rod, the polished rod is clamped by the static roller and the movable roller, the wheel surfaces of the static roller and the movable roller are tightly attached to the polished rod, the roller groups which are equidistantly distributed along the circumference of the polished rod are tightly attached and connected, so that the polished rod keeps stable rotation in the transferring process, the polish rod and the movable roller wheel rotate in the same direction, so that the polish rod and the roller wheel set are prevented from rotating relatively in the rotating process, namely, the slipping phenomenon of the polished rod ensures the stability of the transmission device in the fine adjustment process, thereby ensuring the reliability of the fine adjustment precision;

still, the outer wall of casing top is provided with a fixed cover, the top of fixed cover is opened has a screw hole to supply a threaded rod screw in, the bottom of threaded rod is rotated and is connected a briquetting that can follow the direction of perpendicular to polished rod axis and slide in the casing, through the cooperation between the threaded rod that sets up and the briquetting, further make inseparabler and firm that quiet gyro wheel and polished rod laminated, when the briquetting moved to the polished rod direction, the wheel center of roller train also can move relative to the polished rod, nevertheless because the shaft of roller train is fixed on the casing, and the casing is connected with the moving part, thereby make the moving part remove relative to the polished rod, and can control the polished rod radius, polished rod rotational speed and roller train declination size, thereby realize the fine setting to the moving part, guarantee roller train and polished rod pivoted synchronism, improve transmission's stability, thereby reduce the fine setting error.

The above embodiments are only for illustrating the technical idea and features of the present invention, and the purpose of the present invention is to enable those skilled in the art to understand the content of the present invention and implement the present invention, and not to limit the protection scope of the present invention by this means. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. A three-coordinate vernier device for use with a three-coordinate measuring machine, the three-coordinate measuring machine comprising: base and moving part, fine setting device includes: the device comprises a shell (1) and a polished rod (2), wherein the shell (1) is fixedly connected with a moving part, and the polished rod (2) penetrates through the shell (1) to be rotatably connected with a base;

the method is characterized in that: a first gear (11) is fixedly connected to one end, located on the outer side of the shell, of the polished rod (2), the first gear (11) is meshed with a second gear (12) parallel to the axis of the gear of the first gear, one end of a handle (13) is inserted into a central hole of the second gear (12), so that the handle (13) can drive the second gear (12) to rotate when rotating, a box body (14) is arranged between the handle (13) and the first gear (11) and between the handle (12) and the second gear (12), a measuring ring (17) is arranged on the outer wall surface of one side, opposite to the first gear (11) and the second gear (12), of the box body (14) and is circumferentially arranged along the polished rod (2), and a light source (18) is arranged on the outer wall of the end, located on the same side of the polished rod (2) and the measuring ring (17), of the polished rod (18);

a fixed sleeve (4) is arranged on the outer wall of the top of the shell (1), a threaded hole (6) is formed in the top of the fixed sleeve (4) for a threaded rod (5) to be screwed in, and a pressing block (3) capable of sliding in the shell (1) along the direction perpendicular to the axis of the polished rod (2) is rotatably connected to the bottom of the threaded rod (5);

the bottom of the pressing block (3) is provided with a wheel of static idler wheel (10) with the axis parallel to that of the polished rod (2), one side, back to the static idler wheel (10), of the polished rod (2) is provided with at least two movable idler wheels (9) parallel to the axis of the polished rod (2), wheel shafts of the movable idler wheels (9) are fixedly connected to the shell (1), the static idler wheels (10) and the movable idler wheels (9) are distributed in the circumferential direction of the polished rod (2) at equal intervals, so that the wheel axes of the static idler wheels (10) and the movable idler wheels (9) have declination angles relative to the axis of the polished rod (2), the polished rod (2) is clamped by the static idler wheels (10) and the movable idler wheels (9), and wheel surfaces of the static idler wheels (10) and the movable idler wheels (9) are tightly attached to the polished rod (2).

2. A three-coordinate fine adjustment device according to claim 1, characterized in that: the radius of the second gear (12) is smaller than that of the first gear (11).

3. A three-coordinate trimming device according to claim 1 or 2, wherein: the one end of fixed cover (4) and cranking hand (13) homonymy is provided with first locking bolt (7), first locking bolt (7) pass fixed cover (4) butt on the briquetting.

4. A three-coordinate trimming device according to claim 1 or 2, wherein: a fixed plate (15) is sleeved on a connecting rod between the handle (13) and the box body (14), and a round screw hole is formed in the fixed plate (15) and used for the second locking bolt (8) to be screwed in.

5. The three-coordinate trimming apparatus of claim 4, wherein: an anti-slip ring pad (16) is arranged between the fixed disc (15) and the outer wall of the shell (1).