CN219633291U

CN219633291U - Micro-motion structure of optical measuring head for on-line automatic measurement

Info

Publication number: CN219633291U
Application number: CN202320195274.5U
Authority: CN
Inventors: 朱智; 黎波; 翟瑞超
Original assignee: Shenzhen Boshi Precision Machinery Co ltd
Current assignee: Shenzhen Boshi Precision Machinery Co ltd
Priority date: 2023-01-28
Filing date: 2023-01-28
Publication date: 2023-09-05
Anticipated expiration: 2033-01-28

Abstract

The utility model provides an optical measuring head micro-motion structure for on-line automatic measurement, which comprises: the device comprises a battery, a circuit board, a plurality of ball probes, a plurality of conductive balls, a conductive column, a triangular bracket, a ball disc, a measuring needle and a center spring; the battery and the circuit board are communicated to provide power, the ball probe is located below the circuit board and electrically connected with the circuit board, two conductive balls are installed in each installation groove, and a plurality of conductive columns are installed on the side wall of the triangular bracket. The measuring head is internally provided with a closed active circuit which is connected with a trigger mechanism, and the trigger mechanism can cause the state change of the circuit and emit an acousto-optic signal as long as the trigger mechanism generates trigger action, so that the working state of the measuring head is indicated, and the same machine tool can process parts with higher precision.

Description

Micro-motion structure of optical measuring head for on-line automatic measurement

Technical Field

The utility model relates to the technical field of online automatic measurement of numerical control machine tools, in particular to an optical measuring head micro-motion structure for online automatic measurement.

Background

In the processing of a numerical control machine tool, a cutter needs to be fixed, meanwhile, different cutters can be replaced according to the processing requirement, the cutter needs to be released to carry out displacement measurement in the processing process or after the cutter is replaced, and the existing machine tool lacks such equipment and has the following defects:

the size and the position of the cutter or the workpiece cannot be measured, and the position quantity of the workpiece or the cutter can be automatically corrected according to the measurement result, so that a machine tool can process parts with higher precision;

accordingly, there is a need to provide a new apparatus that solves the above-mentioned problems.

Disclosure of Invention

Aiming at the problems existing in the prior art, the utility model provides an optical measuring head micro-motion structure for on-line automatic measurement.

In order to achieve the above object, the present utility model is specifically as follows:

the utility model provides an optical measuring head micro-motion structure for on-line automatic measurement, which comprises:

the device comprises a battery, a circuit board, a plurality of ball probes, a plurality of conductive balls, a conductive column, a triangular bracket, a ball disc, a measuring needle and a center spring;

the battery is communicated with the circuit board to provide power, the ball probe is positioned below the circuit board and electrically connected with the circuit board, a plurality of mounting grooves are arranged in the ball disc, two conductive balls are arranged in each mounting groove, a plurality of conductive columns are arranged on the side wall of the triangular bracket,

two conductive balls positioned in the same mounting groove are not contacted with each other, and are conducted through the conductive column, and each ball probe is contacted with one conductive ball;

an opening is formed in the middle of the ball disc, the upper end of the measuring needle penetrates through the ball disc and is arranged at the bottom of the triangular bracket, and a center spring is arranged at the top of the triangular bracket and is used for providing elastic pressure from above so that the conductive column is in contact with the two corresponding conductive balls;

the measuring needle is contacted with the place to be measured, when the place to be measured moves, the measuring needle correspondingly moves, the corresponding conductive column on one side of the movement moves, and the two conductive balls corresponding to the conductive column transmit signals to the circuit board through the ball probe contacted with the conductive column, so that detection is completed.

Further, the battery and the circuit board are positioned in an upper body;

a lower body is arranged below the upper body; the upper end of the lower body is fixed at the lower end of the upper body through a center locking screw;

the ball probe, the conductive ball, the conductive column, the triangular bracket, the ball disc, the measuring needle and the central spring are positioned in the lower body;

the upper end and the lower end of the center spring are respectively grounded with the lower end of the center locking screw and the upper end of the triangular bracket;

the upper end of the ball probe penetrates through the lower end of the upper body to be electrically connected with the circuit board, and the lower end of the ball probe is respectively in conductive abutting connection with a conductive ball;

the lower end of the measuring needle penetrates out of the lower body.

Further, a cylindrical glass cover is arranged on the outer side of the upper end of the lower body.

Further, the ball probe is arranged in the plastic tripod in a penetrating way.

Further, a first O-shaped sealing ring is arranged at the position of the ball probe penetrating through the lower end of the upper body;

and a second O-shaped sealing ring is further arranged between the central locking screw and the lower body.

Further, a glass sealing ring is arranged between the upper end of the glass cover and the upper body and between the lower end of the glass cover and the lower body.

Further, a lower body cover is further arranged at the lower end of the lower body.

Further, a butterfly sealing ring is arranged between the lower body cover and the triangular bracket.

Further, a battery cover is arranged on the side wall of the upper body at a position corresponding to the battery;

the back of the battery cover is also provided with a battery cover lock, the battery cover lock is arranged on a battery cover lock catch in a penetrating way, and the upper end and the lower end of the battery cover lock catch are clamped on the side wall of the upper body, so that the battery cover is fixed;

and a battery cover sealing ring is further arranged between the battery cover and the side wall of the upper body.

Further, the circuit board is electrically connected with the battery through the battery probe;

the top of the upper body is also provided with a hanging buckle, and the hanging buckle is fixed at the top of the upper body through a constant-height screw.

The technical scheme of the utility model has the following beneficial effects:

1. the measuring head is internally provided with a closed active circuit which is connected with a trigger mechanism, and the trigger mechanism can cause the state change of the circuit and send out an acousto-optic signal to indicate the working state of the measuring head as long as the trigger mechanism generates trigger action; when the measuring head is connected to the main shaft of the machine tool and moves along with the main shaft, the contact head on the measuring head is contacted with the surface of a workpiece (any solid material) in any direction, so that the measuring head can generate micro swing or movement, and the measuring head can generate an acousto-optic signal immediately to indicate the working state of the measuring head.

2. The micro-triggering optical measuring head is arranged on the numerical control machine tool, the size and the position of the cutter or the workpiece are directly measured without human intervention in the processing cycle, and the position quantity of the workpiece or the cutter is automatically corrected according to the measurement result, so that the same machine tool can process parts with higher precision.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a cross-sectional view of the present utility model;

FIG. 3 is an exploded view of the present utility model;

FIG. 4 is a perspective view of the ball disc and tripod of the present utility model;

fig. 5 is a plan view of the ball disc and the tripod according to the present utility model.

In the figure: 1. a contour screw; 2. hanging buckle; 3. a battery cover lock; 4. a battery cover lock catch; 5. a battery cover; 6. a battery cover gasket; 7. a battery; 8. an upper body; 9. a battery probe; 10. a circuit board; 11. a first O-ring seal; 12. a glass gasket; 13. a glass cover; 14. a lower body; 15. a second O-ring seal; 16. a center locking screw; 17. a ball probe; 18. a plastic tripod; 19. conductive balls; 20. a ball disc; 21. a center spring; 22. a conductive post; 23. a tripod; 24. butterfly sealing ring; 25. a lower body cover; 26. a measuring needle.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "front", "rear", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements 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 utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

As shown in fig. 1-5, the present utility model provides an optical probe micro-motion structure for on-line automatic measurement, comprising: the device comprises a battery 7, a circuit board 10, a plurality of ball probes 17, a plurality of conductive balls 19, a conductive column 22, a triangular bracket 23, a ball disc 20, a measuring needle 26 and a central spring 21; the battery 7 is communicated with the circuit board 10 to provide power, the ball probe 17 is positioned below the circuit board 10 and is electrically connected with the circuit board 10, a plurality of mounting grooves are formed in the ball disc 20, two conductive balls 19 are mounted in each mounting groove, a plurality of conductive posts 22 are mounted on the side wall of the triangular bracket 23, the two conductive balls 19 positioned in the same mounting groove are not contacted with each other, the ball probe 17 is communicated with one conductive ball 19 through the conductive posts 22; an opening is arranged in the middle of the ball disc 20, the upper end of a measuring needle 26 penetrates through the ball disc 20 and is arranged at the bottom of the tripod 23, and a central spring 21 is arranged at the top of the tripod 23 and is used for providing elastic pressure from above so that the conductive column 22 is in contact with the corresponding two conductive balls 19; the probe 26 is contacted with the place to be measured, when the place to be measured moves, the probe 26 correspondingly moves, the conductive column 22 corresponding to the moving side moves, and the two conductive balls 19 corresponding to the conductive column 22 transmit signals to the circuit board 10 through the ball probe 17 contacted with the conductive column, so that detection is completed.

The battery 7 and the circuit board 10 are positioned in an upper body 8; a lower body 14 is also arranged below the upper body 8; the upper end of the lower body 14 is fixed at the lower end of the upper body 8 by a central locking screw 16; the ball probe 17, the conductive balls 19, the conductive posts 22, the triangular supports 23, the ball disc 20, the measuring needle 26 and the center spring 21 are positioned in the lower body 14; the upper end and the lower end of the center spring 21 are respectively grounded with the lower end of the center locking screw 16 and the upper end of the triangular bracket 23; the upper end of the ball probe 17 passes through the lower end of the upper body 8 to be electrically connected with the circuit board 10, and the lower end of the ball probe 17 is respectively in conductive abutting connection with a conductive ball 19; the lower end of the stylus 26 passes out of the lower body 14. The outer side of the upper end of the lower body 14 is also provided with a cylindrical glass cover 13.

The ball probe 17 is arranged in the plastic tripod in a penetrating way. The ball probe 17 passes through the lower end of the upper body 8 and is provided with a first O-shaped sealing ring 11; a second O-ring 15 is also provided between the central locking screw 16 and the lower body 14. And a glass sealing ring is arranged between the upper end of the glass cover 13 and the upper body 8 and between the lower end of the glass cover and the lower body 14. The lower end of the lower body 14 is also provided with a lower body cover 25. A butterfly sealing ring 24 is also arranged between the lower body cover 25 and the tripod 23.

A battery cover 5 is also arranged on the side wall of the upper body 8 at a position corresponding to the battery 7; the back of the battery cover 5 is also provided with a battery cover lock 3, the battery cover lock 3 is arranged on a battery cover lock catch 4 in a penetrating way, and the upper end and the lower end of the battery cover lock catch 4 are clamped on the side wall of the upper body 8, so that the battery cover 5 is fixed; a battery cover sealing ring 6 is also arranged between the battery cover 5 and the side wall of the upper body 8. The circuit board 10 is electrically connected with the battery 7 through the battery probe 9; the top of the upper body 8 is also provided with a hanging buckle 2, and the hanging buckle 2 is fixed at the top of the upper body 8 through the equal-height screw 1.

The principle of the utility model is as follows:

when the main shaft moves, as long as the contact head on the measuring needle 26 contacts with the surface of a workpiece (any solid material) in any direction, the small swing or movement of the measuring needle 26 can immediately cause the measuring head to generate an acousto-optic signal, the receiver receives the optical signal and feeds back the optical signal to a numerical control machine tool system, and the numerical control machine tool is controlled to complete a series of negative value compensation through a program instruction, and records and feeds back to an operator or an up-down procedure, so that the processing state of the machine tool is presented as data information.

A closed active circuit is arranged in the measuring head and is connected with a trigger mechanism, so that the trigger mechanism can cause the state change of the circuit and send out an acousto-optic signal to indicate the working state of the measuring head as long as the trigger mechanism generates trigger action; the only condition for the trigger mechanism to generate trigger action is that the probe 26 of the probe generates tiny swing or moves towards the inside of the probe, when the probe is connected to the main shaft of the machine tool and moves along with the main shaft, as long as the contact on the probe 26 contacts with the surface of a workpiece (any solid material) in any direction, the probe 26 generates tiny swing or moves, and the probe can generate an acousto-optic signal immediately to indicate the working state of the probe. The micro-triggering optical measuring head is arranged on the numerical control machine tool, the size and the position of the cutter or the workpiece are directly measured without human intervention in the processing cycle, and the position quantity of the workpiece or the cutter is automatically corrected according to the measurement result, so that the same machine tool can process parts with higher precision.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. An optical probe micro-motion structure for on-line automatic measurement, comprising: the device comprises a battery (7), a circuit board (10), a plurality of ball probes (17), a plurality of conductive balls (19), conductive columns (22), a triangular bracket (23), a ball disc (20), a measuring needle (26) and a central spring (21);

the battery (7) is communicated with the circuit board (10) to provide power, the ball probe (17) is positioned below the circuit board (10) and electrically connected with the circuit board (10), a plurality of mounting grooves are formed in the ball disc (20), two conductive balls (19) are mounted in each mounting groove, a plurality of conductive columns (22) are mounted on the side wall of the triangular bracket (23),

two conductive balls (19) in the same mounting groove are not contacted with each other, and are conducted through conductive columns (22), and each ball probe (17) is contacted with one conductive ball (19);

an opening is formed in the middle of the ball disc (20), the upper end of a measuring needle (26) penetrates through the ball disc (20) and is arranged at the bottom of the triangular bracket (23), and a central spring (21) is arranged at the top of the triangular bracket (23) and is used for providing elastic pressure from above so that the conductive column (22) is in contact with the two corresponding conductive balls (19);

the measuring needle (26) is contacted with a place to be measured, when the place to be measured moves, the measuring needle (26) correspondingly moves, the corresponding conductive column (22) on the moving side moves, and the two conductive balls (19) corresponding to the conductive column (22) transmit signals to the circuit board (10) through the ball probe (17) contacted with the conductive column, so that detection is completed.

2. The optical probe micro-motion structure for on-line automatic measurement according to claim 1, wherein the battery (7) and the circuit board (10) are located in an upper body (8);

a lower body (14) is arranged below the upper body (8); the upper end of the lower body (14) is fixed at the lower end of the upper body (8) through a center locking screw (16);

the ball probe (17), the conductive ball (19), the conductive column (22), the tripod (23), the ball disc (20), the probe pin (26) and the center spring (21) are positioned in the lower body (14);

the upper end and the lower end of the center spring (21) are respectively grounded with the lower end of the center locking screw (16) and the upper end of the triangular bracket (23);

the upper end of the ball probe (17) passes through the lower end of the upper body (8) to be electrically connected with the circuit board (10), and the lower end of the ball probe (17) is respectively in conductive abutting connection with a conductive ball (19);

the lower end of the measuring needle (26) penetrates out of the lower body (14).

3. The optical gauge head micro-motion structure for on-line automatic measurement according to claim 2, wherein a cylindrical glass cover (13) is further provided on the outer side of the upper end of the lower body (14).

4. An optical probe micro-motion structure for on-line automatic measurement according to claim 1, characterized in that the ball probe (17) is inserted in a plastic tripod.

5. The micro-motion structure of an optical measuring head for on-line automatic measurement according to claim 2, wherein the ball probe (17) is provided with a first O-ring (11) at a position penetrating through the lower end of the upper body (8);

and a second O-shaped sealing ring (15) is further arranged between the center locking screw (16) and the lower body (14).

6. An optical probe micro-motion structure for on-line automatic measurement according to claim 3, wherein a glass sealing ring is arranged between the upper end of the glass cover (13) and the upper body (8) and between the lower end of the glass cover and the lower body (14).

7. The optical gauge head micro-motion structure for on-line automatic measurement according to claim 2, wherein a lower body cover (25) is further provided at the lower end of the lower body (14).

8. The micro-motion structure of an optical measuring head for on-line automatic measurement according to claim 7, wherein a butterfly-shaped sealing ring (24) is further arranged between the lower body cover (25) and the tripod (23).

9. The optical probe micro-motion structure for on-line automatic measurement according to claim 2, wherein a battery cover (5) is further provided on the side wall of the upper body (8) at a position corresponding to the battery (7);

the back of the battery cover (5) is also provided with a battery cover lock (3), the battery cover lock (3) is arranged on a battery cover lock catch (4) in a penetrating way, and the upper end and the lower end of the battery cover lock catch (4) are clamped on the side wall of the upper body (8), so that the battery cover (5) is fixed;

a battery cover sealing ring (6) is arranged between the battery cover (5) and the side wall of the upper body (8).

10. The optical probe micro-motion structure for on-line automatic measurement according to claim 2, characterized in that the circuit board (10) is electrically connected with the battery (7) through the battery probe (9);

the top of the upper body (8) is also provided with a hanging buckle (2), and the hanging buckle (2) is fixed at the top of the upper body (8) through a contour screw (1).