CN219037934U

CN219037934U - Positioning device for three-coordinate measuring instrument

Info

Publication number: CN219037934U
Application number: CN202222931102.8U
Authority: CN
Inventors: 黄发奎
Original assignee: Anhui Seadar Power Machinery Co ltd
Current assignee: Anhui Seadar Power Machinery Co ltd
Priority date: 2022-11-03
Filing date: 2022-11-03
Publication date: 2023-05-16
Anticipated expiration: 2032-11-03

Abstract

The application provides a positioner for three-dimensional measuring apparatu belongs to three-dimensional measuring apparatu technical field to solve current three-dimensional measuring apparatu positioner and can not switch between accurate regulation and accurate regulation, and can not be to the problem of the initial angle of measuring the object, including first supporting seat, the second supporting seat is installed on the right side of first supporting seat, and the fixed surface of second supporting seat is provided with first motor, is connected with first screw rod on the output shaft of first motor, and the outside screw thread of first screw rod installs the outer bush, the front end fixedly connected with second screw rod of first screw rod, the outside screw thread connection of second screw rod has the inner bush. The differential thread transmission structure that this application utilized first screw rod and second screw rod to constitute realizes the fine adjustment function, utilizes third screw rod and draw-in bar simultaneously for the device can carry out rough adjustment, realizes the switching work of precision, utilizes the damping piece to realize the function of treating measuring object initial angle and adjusting.

Description

Positioning device for three-coordinate measuring instrument

Technical Field

The utility model relates to the field of three-coordinate measuring instruments, in particular to a positioning device for a three-coordinate measuring instrument.

Background

The three-coordinate measuring instrument is a measuring device commonly used in the technical field of engineering, is used for precisely measuring a high-precision workpiece, can move in three directions, realizes measuring each point position of the workpiece by matching a detector with a data processor, and is one of main components of the three-coordinate measuring instrument and used for moving the detector in X-axis, Y-axis and Z-axis, but the existing three-coordinate measuring instrument positioning device has some defects in use;

when the existing three-coordinate measuring instrument positioning device is used for measuring, the accuracy of adjustment when the detector moves is usually fixed, the accurate adjustment and the accurate adjustment cannot be switched, the positioning accuracy is difficult to adjust, and the adjustable degree is low; when the existing positioning device is used, an object to be measured is generally horizontally placed on the table top of the measuring table to measure, the initial angle of the object to be measured cannot be adjusted, positioning and measuring work of specific parts at different positions of the object to be measured are difficult, and applicability is not enough.

Therefore, we make improvements to this and propose a positioning device for a three-coordinate measuring machine.

Disclosure of Invention

The utility model aims at: the three-dimensional measuring instrument positioning device aims at solving the problems that the existing three-dimensional measuring instrument positioning device can not be switched between accurate adjustment and can not be used for adjusting the initial angle of an object to be measured.

In order to achieve the above object, the present utility model provides the following technical solutions:

the positioning device for the three-coordinate measuring machine is used for improving the problems.

The application is specifically such that:

including first supporting seat, the second supporting seat is installed on the right side of first supporting seat, and the fixed surface of second supporting seat is provided with first motor, is connected with first screw rod on the output shaft of first motor, and the outside screw thread of first screw rod installs the outer bush, the front end fixedly connected with second screw rod of first screw rod, and the outside screw thread of second screw rod is connected with the inner liner, and the top of inner liner is fixed and is provided with the stopper, and the surface mounting of stopper has the connecting rod, the side fixed mounting of second supporting seat has the connecting seat, and the top of connecting seat is fixed and is provided with the second motor, fixedly connected with third screw rod on the output shaft of second motor, and the front end of third screw rod rotates and installs the slide, slidable mounting has the balladeur train on the first supporting seat, and electric slider's top is installed to the top of balladeur train, and the bottom fixedly connected with guide arm of guide arm is fixedly provided with connecting frame, is threaded connection between connecting frame and the third screw rod, the centre rotation of first supporting seat is installed the damping piece, and the top of damping piece is fixedly provided with the layer board.

As the preferred technical scheme of this application, the screw thread of first screw rod and second screw rod revolve to the same, and the pitch of first screw rod is greater than the pitch of second screw rod, and the connected mode of first screw rod and first motor output shaft is spline connection.

As the preferred technical scheme of this application, the bottom fixedly connected with damping plate of outer bush, the outer wall of damping plate and the inner wall of second supporting seat compress tightly each other.

As the preferred technical scheme of this application, the connected mode between slide and the first supporting seat is sliding connection, and the inside of slide runs through and is provided with the draw-in lever, and the outer wall of draw-in lever latter half is laminated mutually with the inner wall of first supporting seat.

As the preferred technical scheme of this application, guide arm, connection frame and balladeur train are an entity, and the balladeur train passes through and constitutes first extending structure between third screw rod and connection frame and the first supporting seat.

As the preferred technical scheme of this application, constitute sliding construction between inner liner through first screw rod, second screw rod and stopper and the outer liner, the balladeur train passes through between stopper and connecting rod and the first supporting seat and constitutes the second extending structure.

As the preferred technical scheme of this application, the connected mode between stopper and inner liner and the outer liner is sliding connection, is the rotation connection between stopper and the connecting rod, be threaded connection between connecting rod and the connecting frame.

Compared with the prior art, the utility model has the beneficial effects that:

in the scheme of the application:

1. through the first screw rod, the second screw rod and the third screw rod which are arranged, the device can utilize the screw pitch difference between the first screw rod and the second screw rod to realize the function of differential screw transmission, in the process that the first screw rod is screwed in or out, the first screw rod rotates a single circle, the distance that the connecting rod drives the sliding frame to move is the difference between the screw pitches of the first screw rod and the second screw rod, so that the function of accurately adjusting the position of the detector is realized, the position of the sliding frame can be adjusted through the third screw rod through the mounting clamping rod, the device can be changed from accurate adjustment to rough adjustment, and then the accuracy in positioning is changed, the defect that the existing positioning device cannot be switched between accurate adjustment and accurate adjustment is overcome, and the device has the advantage of higher adjustable degree;

2. through damping piece and the bearing board that set up for the device can be adjusted the initial angle of treating the object that detects, utilizes the resistance between damping piece's the outer wall and the first supporting seat inner wall to realize the fixed function after the object angle adjustment that awaits measuring, has solved current positioner and can not be earlier to treat the initial angle of detecting the object and adjust the defect before measuring, makes things convenient for follow-up location and measurement to treat the specific part of the different positions of detecting the object.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a positioning device for a three-coordinate measuring machine provided by the application;

FIG. 2 is a schematic diagram of the structure of FIG. 1 at A;

FIG. 3 is a schematic view of the connection structure of the outer bushing and the inner bushing of the positioning device for the three-dimensional measuring instrument provided by the application;

FIG. 4 is a schematic diagram of a connection structure between a damping block and a bearing plate of a positioning device for a three-coordinate measuring machine provided by the application;

fig. 5 is a schematic diagram of a connection structure between a first motor output shaft and a first screw of the positioning device for a three-coordinate measuring machine provided by the application.

The figures indicate: 1. a first support base; 2. a second support base; 3. a first motor; 4. a first screw; 5. an outer liner; 6. a damping plate; 7. a connecting seat; 8. a second motor; 9. a third screw; 10. a slide plate; 11. a clamping rod; 12. a guide rod; 13. a connection frame; 14. a damping block; 15. a bearing plate; 16. a carriage; 17. an electric slide; 18. a second screw; 19. an inner liner; 20. a limiting block; 21. and (5) connecting a rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model.

Thus, the following detailed description of the embodiments of the utility model is not intended to limit the scope of the utility model, as claimed, but is merely representative of some embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, under the condition of no conflict, the embodiments of the present utility model and the features and technical solutions in the embodiments may be combined with each other.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, the terms "upper", "lower", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or an azimuth or a positional relationship conventionally put in use of the inventive product, or an azimuth or a positional relationship conventionally understood by those skilled in the art, such terms are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Example 1:

as shown in fig. 1, fig. 2, fig. 3 and fig. 4, the embodiment proposes a positioning device for a three-coordinate measuring machine, which comprises a first supporting seat 1, a second supporting seat 2 is installed on the right side of the first supporting seat 1, a first motor 3 is fixedly arranged on the surface of the second supporting seat 2, a first screw 4 is connected to an output shaft of the first motor 3, an outer bushing 5 is installed on the outer side thread of the first screw 4, a second screw 18 is fixedly connected to the front end of the first screw 4, an inner bushing 19 is connected to the outer side thread of the second screw 18, a limiting block 20 is fixedly arranged on the top of the inner bushing 19, a connecting rod 21 is installed on the surface of the limiting block 20, the device drives the first screw 4 to rotate through the first motor 3, the first screw 4 synchronously rotates in the process of screwing or unscrewing, meanwhile, the inner bushing 19 moves on the outer side of the second screw 18, the inner bushing 19 moves forward relative to the outer bushing 5 when the second screw 18 rotates, the inner bushing 19 moves forward relative to the outer bushing 5, and the second screw 18 rotates a single circle, the pitch of the inner bushing 19 moves forward relative to the first screw 4, a sliding seat 4 is fixed on the second screw 4, a sliding seat is fixed on the second screw seat is connected to the second screw 16, a sliding seat is fixed on the sliding seat is connected to the second screw 4, a sliding seat is fixed on the sliding seat is connected to the sliding seat 9, and is fixed on the sliding seat is connected to the sliding seat 2, and has a sliding seat 9, and the sliding seat is fixed on the sliding seat is and has a sliding seat 9, and has a sliding seat is fixed, and has a sliding seat, and the sliding a sliding seat is a sliding seat 9, and has a sliding seat on the sliding seat 9. The front end of guide arm 12 is fixed and is provided with connecting frame 13, be threaded connection between connecting frame 13 and the third screw rod 9, when slide 10 and first supporting seat 1 block, the rotation of accessible third screw rod 9 is adjusted the position of connecting frame 13, guide arm 12 and balladeur train 16, the device can roughly adjust this moment, and then realize adjusting the function that precision switched over, damping piece 14 is installed in the middle rotation of first supporting seat 1, the fixed bearing plate 15 that is provided with in top of damping piece 14, damping piece 14 and bearing plate 15 are used for adjusting the initial angle of the object that awaits measuring.

Example 2:

the scheme of example 1 is further described in conjunction with the specific operation described below:

as shown in fig. 3, as a preferred embodiment, on the basis of the above manner, the screw threads of the first screw 4 and the second screw 18 are the same, the screw pitch of the first screw 4 is larger than the screw pitch of the second screw 18, and the first screw 4 and the output shaft of the first motor 3 are connected in a spline manner, so that the output shaft of the first motor 3 can drive the first screw 4 to rotate and simultaneously move back and forth when rotating, so as to realize the function of differential screw transmission subsequently.

As shown in fig. 1, as a preferred embodiment, further, on the basis of the above mode, the bottom of the outer bushing 5 is fixedly connected with a damping plate 6, the outer wall of the damping plate 6 and the inner wall of the second supporting seat 2 are mutually pressed, the damping plate 6 ensures stable installation of the outer bushing 5 and the second supporting seat 2, and meanwhile, when receiving enough thrust, the outer bushing 5 can move back and forth.

As shown in fig. 1 and 2, as a preferred embodiment, further, on the basis of the above manner, the connection manner between the slide plate 10 and the first supporting seat 1 is a sliding connection, a clamping rod 11 is penetratingly arranged in the slide plate 10, the outer wall of the lower half part of the clamping rod 11 is mutually attached to the inner wall of the first supporting seat 1, and the connection state between the slide plate 10 and the first supporting seat 1 is adjusted through the clamping rod 11 on the device so as to switch the accuracy of positioning adjustment subsequently.

As shown in fig. 1 and 2, as a preferred embodiment, further, the guide rod 12, the connection frame 13 and the carriage 16 are integrated, the carriage 16 forms a first telescopic structure with the first support base 1 through the third screw rod 9 and the connection frame 13, the device can realize a rough adjusting function when the position of the carriage 16 is adjusted by the third screw rod 9 through the first telescopic structure, and the guide rod 12 can keep the carriage 16 to move straight.

As shown in fig. 1, 2 and 3, as a preferred embodiment, based on the above manner, further, the inner bushing 19 forms a sliding structure with the outer bushing 5 through the first screw 4, the second screw 18 and the limiting block 20, the carriage 16 forms a second telescopic structure with the first supporting seat 1 through the limiting block 20 and the connecting rod 21, and the device can realize differential screw transmission by utilizing the pitch difference of the first screw 4 and the second screw 18 through the second telescopic structure on the device, so that the position of the detector on the measuring instrument can be accurately adjusted.

As shown in fig. 1, 2 and 3, as a preferred embodiment, on the basis of the above manner, further, the connection manner between the limiting block 20 and the inner bushing 19 and the outer bushing 5 is sliding connection, the limiting block 20 and the connecting rod 21 are in rotational connection, the connecting rod 21 and the connecting frame 13 are in threaded connection, and the initial positions of the connecting frame 13 and the limiting block 20 are adjusted through the connecting rod 21 on the device so as to subsequently change the maximum adjustable stroke of the device.

Specifically, this positioner for three-dimensional measuring apparatu when using: as shown in fig. 1 and 4, the device can adjust the initial angle of the supporting plate 15 through the damping block 14 when in use, as shown in fig. 1, 2 and 3, when in rough adjustment, the clamping rod 11 is installed in the sliding plate 10 and the first supporting seat 1 to finish the fixing work of the sliding plate 10, at the moment, the second motor 8 on the connecting seat 7 drives the third screw rod 9 to rotate, and the third screw rod 9 can drive the connecting frame 13 to slide on the first supporting seat 1 in the rotating process, so that the sliding frame 16 moves forwards and backwards under the limit action of the guide rod 12, and the outer bushing 5 moves on the second supporting seat 2 through the damping plate 6;

when the front and rear positions of the carriage 16 need to be precisely adjusted, as shown in fig. 1, 2, 3 and 5, the first screw 4 is driven to rotate by the first motor 3 at this time by moving out the clamping rod 11, the first screw 4 is screwed forward in the rotating process (in combination with fig. 4, the connection mode between the output shaft of the first motor 3 and the first screw 4 is spline connection, so that when the first motor 3 drives the first screw 4 to rotate, the first screw 4 can be screwed in or out of the outer liner 5 normally, in combination with fig. 1 and 3, when the first screw 4 rotates, the resistance between the damping plate 6 and the first supporting seat 1 is insufficient to enable the outer liner 5 to move), at this time, the first screw 4 and the second screw 18 are screwed forward, the inner bushing 19 moves toward the rear side of the outer bushing 5, the first screw 4 and the second screw 18 rotate for a single turn, the distance that the inner bushing 19 moves forward relative to the outer bushing 5 is equal to the pitch difference between the first screw 4 and the second screw 18, the function of differential thread transmission is realized, and then the precise adjusting function is realized, so that the adjusting precision of the sliding frame 16 is changed, the connecting rod 21 on the limiting block 20 can be screwed in or screwed out on the connecting frame 13, the initial position of the limiting block 20 relative to the connecting frame 13 is adjusted, and then the function of changing the adjusting stroke is realized.

The above embodiments are only for illustrating the present utility model and not for limiting the technical solutions described in the present utility model, and although the present utility model has been described in detail in the present specification with reference to the above embodiments, the present utility model is not limited to the above specific embodiments, and thus any modifications or equivalent substitutions are made to the present utility model; all technical solutions and modifications thereof that do not depart from the spirit and scope of the utility model are intended to be included in the scope of the appended claims.

Claims

1. The utility model provides a positioner for three-coordinate measuring instrument, including first supporting seat (1), a serial communication port, second supporting seat (2) are installed on the right side of first supporting seat (1), the fixed surface of second supporting seat (2) is provided with first motor (3), be connected with first screw rod (4) on the output shaft of first motor (3), outer bush (5) are installed to the outside screw thread of first screw rod (4), the front end fixedly connected with second screw rod (18) of first screw rod (4), the outside screw thread of second screw rod (18) is connected with inner liner (19), the top of inner liner (19) is fixedly provided with stopper (20), the surface mounting of stopper (20) has connecting rod (21), the side fixed mounting of second supporting seat (2) has connecting seat (7), the top of connecting seat (7) is fixedly provided with second motor (8), fixedly connected with third screw rod (9) on the output shaft of second motor (8), the front end rotation of third screw rod (9) is installed (10), the front end rotation of first supporting seat (1) is provided with second screw rod (18), the top of inner liner (19) is fixedly provided with slider (16), slider (16) is connected with slider (16) and slider (16) is connected with slider (12), the connecting frame (13) is in threaded connection with the third screw rod (9), a damping block (14) is rotatably arranged in the middle of the first supporting seat (1), and a supporting plate (15) is fixedly arranged at the top of the damping block (14).

2. The positioning device for the three-coordinate measuring machine according to claim 1, wherein the threads of the first screw (4) and the second screw (18) are identical in rotation direction, the thread pitch of the first screw (4) is larger than the thread pitch of the second screw (18), and the first screw (4) is connected with the output shaft of the first motor (3) in a spline connection mode.

3. The positioning device for the three-coordinate measuring machine according to claim 1, wherein the damping plate (6) is fixedly connected to the bottom of the outer bushing (5), and the outer wall of the damping plate (6) and the inner wall of the second supporting seat (2) are mutually pressed.

4. The positioning device for the three-coordinate measuring machine according to claim 1, wherein the sliding plate (10) is connected with the first supporting seat (1) in a sliding manner, a clamping rod (11) is arranged in the sliding plate (10) in a penetrating manner, and the outer wall of the lower half part of the clamping rod (11) is mutually attached to the inner wall of the first supporting seat (1).

5. The positioning device for a three-dimensional measuring instrument according to claim 4, wherein the guide rod (12), the connecting frame (13) and the carriage (16) are integrated, and the carriage (16) forms a first telescopic structure with the first supporting seat (1) through the third screw (9) and the connecting frame (13).

6. The positioning device for the three-coordinate measuring machine according to claim 5, wherein the inner bushing (19) forms a sliding structure with the outer bushing (5) through the first screw (4), the second screw (18) and the limiting block (20), and the sliding frame (16) forms a second telescopic structure with the first supporting seat (1) through the limiting block (20) and the connecting rod (21).

7. The positioning device for the three-coordinate measuring machine according to claim 6, wherein the limiting block (20) and the inner bushing (19) are connected with the outer bushing (5) in a sliding manner, the limiting block (20) is connected with the connecting rod (21) in a rotating manner, and the connecting rod (21) is connected with the connecting frame (13) in a threaded manner.