CN216882992U

CN216882992U - Device for searching workpiece center coordinates by using dial indicator

Info

Publication number: CN216882992U
Application number: CN202123315781.8U
Authority: CN
Inventors: 谌小龙
Original assignee: Guangzhou Jinyanda Machinery Equipment Co ltd
Current assignee: Guangzhou Jinyanda Machinery Equipment Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-07-05
Anticipated expiration: 2031-12-27

Abstract

The utility model discloses a device for searching a central coordinate of a workpiece by using a dial indicator. The utility model comprises the following steps: the novel fixture comprises a workbench and a dial indicator body, wherein the dial indicator body is fixedly arranged on one side of the top of the workbench, a rotating through hole is formed in the top of the workbench, a rotating shaft is rotatably arranged on the inner wall of the rotating through hole, the top end of the rotating shaft extends to the outer side of the workbench and is fixedly provided with a placing disc, a first vertical plate is fixedly arranged on the other side of the top of the workbench, a transverse plate is fixedly arranged on the top of the first vertical plate, and a first through hole and two second through holes are formed in the top of the transverse plate.

Description

Device for searching workpiece center coordinates by using dial indicator

Technical Field

The utility model relates to the technical field of dial indicators, in particular to a device for searching a center coordinate of a workpiece by using a dial indicator.

Background

A dial gauge is a length measuring instrument that converts a general linear displacement (linear motion) into a rotational motion of a pointer through a gear or a lever, and then performs a reading on a dial. Dial gauges are widely used indicating gauges for precision measurements. It belongs to a comparison measuring tool, only can measure relative numerical values, and can not measure absolute numerical values;

however, the existing device for searching the center coordinate of the workpiece by using the dial indicator has a poor clamping stabilizing effect on the workpiece, so that the error of searching the center coordinate of the workpiece is large, and the accuracy is not high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a device for searching the center coordinates of a workpiece by using a dial indicator so as to solve the problems in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: an apparatus for finding coordinates of a center of a workpiece using a dial gauge, comprising: the working table and the dial indicator body are fixedly arranged on one side of the top of the working table, a rotating through hole is formed in the top of the working table, a rotating shaft is rotatably arranged on the inner wall of the rotating through hole, the top end of the rotating shaft extends to the outer side of the working table and is fixedly provided with a placing disc, a first vertical plate is fixedly arranged on the other side of the top of the working table, a transverse plate is fixedly arranged on the top of the first vertical plate, a first through hole and two second through holes are formed in the top of the transverse plate, a vertical shaft is rotatably arranged on the inner wall of the first through hole, lead screws are rotatably arranged on the inner walls of the two second through holes, the outer sides of the two lead screws are in threaded connection with the same movable plate, a mounting groove is formed in the bottom of the movable plate, a connecting shaft is rotatably arranged on the inner wall of the mounting groove, a clamping plate is fixedly arranged at the bottom end of the connecting shaft, and a driving gear is fixedly arranged on the outer side of the vertical shaft, the outside of two lead screws is all fixed mounting has driven gear, driving gear and two driven gear intermeshing.

Further, the top fixed mounting of vertical axle has the carousel, and the draw-in groove has been seted up in the outside of carousel, the top fixed mounting of diaphragm has the vertical board of second, and the slip through-hole has been seted up to one side of the vertical board of second, and slidable mounting has the picture peg on the inner wall of slip through-hole, and the picture peg activity joint is on the inner wall of the draw-in groove that corresponds.

Further, the bottom fixed mounting of picture peg has the mounting panel, and one side fixed mounting of mounting panel has the spring, and the one end fixed mounting of spring is on the vertical board of second.

Furthermore, one side fixed mounting of picture peg has the pull ring, and the equal fixed mounting in bottom four corners of workstation has the support column.

Furthermore, a servo motor is fixedly mounted on one side of the bottom of the workbench, and an output shaft of the servo motor is fixedly connected with the bottom end of the rotating shaft.

Furthermore, two guide plates are fixedly mounted at the bottom of the transverse plate, and the moving plate is slidably mounted on the guide plates.

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

according to the utility model, the screw rods are in threaded connection with the movable plate and the driving gear is in transmission fit with the driven gear, so that the two screw rods are driven by the rotation of the rotary table to rotate simultaneously, the clamping plate moves downwards, the workpiece can be stably clamped, the stability of the workpiece in the detection process is ensured, and the measurement accuracy is improved.

Drawings

FIG. 1 is a schematic perspective view of an embodiment of the present invention;

FIG. 2 is a schematic sectional front view of the embodiment of FIG. 1;

FIG. 3 is a schematic view of part A of the embodiment of FIG. 1;

fig. 4 is a schematic structural diagram of part B in the embodiment of fig. 2.

Reference numerals: 1. a work table; 2. a dial gauge body; 3. a rotating shaft; 4. placing a tray; 5. a servo motor; 6. a first vertical plate; 7. a transverse plate; 8. a vertical axis; 9. a screw rod; 10. moving the plate; 11. a guide plate; 12. a connecting shaft; 13. a clamping plate; 14. a driven gear; 15. a driving gear; 16. a turntable; 17. a card slot; 18. a second vertical plate; 19. inserting plates; 20. mounting a plate; 21. a spring; 22. and (4) a pull ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Please refer to fig. 1-4, in which fig. 1 is a schematic perspective view of an embodiment of the present invention; FIG. 2 is a schematic sectional front view of the embodiment of FIG. 1; FIG. 3 is a schematic view of the structure of part A in the embodiment of FIG. 1; fig. 4 is a schematic structural diagram of part B in the embodiment of fig. 2, and an apparatus for finding coordinates of a center of a workpiece by using a dial indicator includes: the dial indicator comprises a workbench 1 and a dial indicator body 2, wherein the dial indicator body 2 is fixedly arranged on one side of the top of the workbench 1, a rotating through hole is formed in the top of the workbench 1, a rotating shaft 3 is rotatably arranged on the inner wall of the rotating through hole, the top end of the rotating shaft 3 extends to the outer side of the workbench 1 and is fixedly provided with a placing disc 4, a first vertical plate 6 is fixedly arranged on the other side of the top of the workbench 1, a transverse plate 7 is fixedly arranged on the top of the first vertical plate 6, a first through hole and two second through holes are formed in the top of the transverse plate 7, a vertical shaft 8 is rotatably arranged on the inner wall of the first through hole, lead screws 9 are rotatably arranged on the inner walls of the two second through holes, the outer sides of the two lead screws 9 are in threaded connection with a same movable plate 10, an installation groove is formed in the bottom of the movable plate 10, a movable plate connecting shaft 12 is rotatably arranged on the inner wall of the installation groove, and a clamping plate 13 is fixedly arranged at the bottom end of the connecting shaft 12, the outside fixed mounting of vertical axle 8 has driving gear 15, and the equal fixed mounting in the outside of two lead screws 9 has driven gear 14, and driving gear 15 and two driven gear 14 intermeshing.

The top fixed mounting of vertical axle 8 has carousel 16, and draw-in groove 17 has been seted up in the outside of carousel 16, the top fixed mounting of diaphragm 7 has the vertical board of second 18, and sliding through hole has been seted up to one side of the vertical board of second 18, and sliding mounting has picture peg 19 on sliding through hole's the inner wall, and picture peg 19 activity joint is on the inner wall of the draw-in groove 17 that corresponds, and the setting of draw-in groove 17 provides the joint position for picture peg 19.

The bottom of picture peg 19 fixed mounting has mounting panel 20, and one side fixed mounting of mounting panel 20 has spring 21, and the one end fixed mounting of spring 21 is on second vertical board 18, and the setting of spring 21 is convenient for the work that resets of picture peg 19.

One side fixed mounting of picture peg 19 has pull ring 22, and the equal fixed mounting in bottom four corners of workstation 1 has the support column, and the setting of pull ring 22 is convenient for control picture peg 19.

Bottom one side fixed mounting of workstation 1 has servo motor 5, and servo motor 5's output shaft and the bottom fixed connection of pivot 3, servo motor 5's work drive place the dish 4 and rotate to make surperficial work piece rotate, can measure its central point through the use that uses amesdial body 2 and put.

Two guide plates 11 are fixedly mounted at the bottom of the transverse plate 7, the moving plate 10 is slidably mounted on the guide plates 11, and the guide plates 11 are arranged to provide a guide effect for the moving plate 10.

In summary, the device for finding the central coordinate of the workpiece by using the dial indicator provided by the utility model is characterized in that when the device works, the workpiece to be measured is placed on the surface of the placing disc 4, the workpiece abuts against one end of the detecting pointer on the dial indicator body 2, the pull ring 22 is pulled to move the inserting plate 19 leftwards, the spring 21 is compressed to separate the inserting plate 19 from the clamping groove 17, the fixing of the rotary disc 16 is released, the rotary disc 16 is manually rotated to drive the vertical shaft 8 to rotate, the driving gear 15 is matched with the driven gear 14, so that the two screw rods 9 are driven to rotate simultaneously, the movable plate 10 is driven to move downwards under the action of the guide plate 11, so that the clamping plate 13 moves downwards and movably abuts against the surface of the workpiece, the clamping work of the workpiece is completed, the pull ring 22 is released, the reset work of the spring 21 enables the inserting plate 19 to move rightwards to be clamped with the corresponding clamping groove 17, and the clamping stability is improved, then, the dial indicator body 2 is zeroed, a coordinate system which takes the circle center of the placing disc 4 as the origin of coordinates, the left direction and the right direction as horizontal coordinates and the front and back direction as vertical coordinates is established on the upper surface of the placing disc 4, the servo motor 5 is started to drive the dial indicator to rotate 180 degrees, numerical values are formed on a dial plate of the dial indicator body 2 through the abutting of a workpiece on a detection pointer of the dial indicator body 2, the read numerical values are divided by 2 to obtain the offset of the center of the workpiece and the center of the placing disc 4 in the left and right directions, namely the horizontal coordinates of the center of the workpiece, then the servo motor 5 is started to drive the workpiece to rotate reversely by 90 degrees to read the numerical values and further drive the workpiece to rotate clockwise by 180 degrees to obtain the numerical values, the difference of the two numerical values is divided by 2 to obtain the offset of the center of the workpiece and the center of the placing disc 4 in the front and back directions, namely the vertical coordinates of the center of the workpiece, and accordingly the center of the workpiece is obtained.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An apparatus for finding the coordinates of the center of a workpiece using a dial gauge, comprising: the dial indicator comprises a workbench (1) and a dial indicator body (2), wherein the dial indicator body (2) is fixedly arranged on one side of the top of the workbench (1), a rotating through hole is formed in the top of the workbench (1), a rotating shaft (3) is rotatably arranged on the inner wall of the rotating through hole, the top end of the rotating shaft (3) extends to the outer side of the workbench (1) and is fixedly provided with a placing disc (4), a first vertical plate (6) is fixedly arranged on the other side of the top of the workbench (1), a transverse plate (7) is fixedly arranged on the top of the first vertical plate (6), a first through hole and two second through holes are formed in the top of the transverse plate (7), a vertical shaft (8) is rotatably arranged on the inner wall of the first through hole, screw rods (9) are rotatably arranged on the inner walls of the two second through holes, a movable plate (10) is in threaded connection with the outer sides of the two screw rods (9), and a mounting groove is formed in the bottom of the movable plate (10), rotate on the inner wall of mounting groove and install connecting axle (12), the bottom fixed mounting of connecting axle (12) has grip block (13), the outside fixed mounting of vertical axle (8) has driving gear (15), and the equal fixed mounting in the outside of two lead screws (9) has driven gear (14), driving gear (15) and two driven gear (14) intermeshing.

2. The device for searching the central coordinate of the workpiece by using the dial indicator as claimed in claim 1, wherein a turntable (16) is fixedly mounted at the top end of the vertical shaft (8), a clamping groove (17) is formed in the outer side of the turntable (16), a second vertical plate (18) is fixedly mounted at the top of the transverse plate (7), a sliding through hole is formed in one side of the second vertical plate (18), an inserting plate (19) is slidably mounted on the inner wall of the sliding through hole, and the inserting plate (19) is movably clamped on the inner wall of the corresponding clamping groove (17).

3. The device for finding the center coordinate of a workpiece by using the dial indicator as claimed in claim 2, wherein a mounting plate (20) is fixedly mounted at the bottom of the inserting plate (19), a spring (21) is fixedly mounted at one side of the mounting plate (20), and one end of the spring (21) is fixedly mounted on the second vertical plate (18).

4. The device for searching the center coordinate of the workpiece by using the dial indicator as claimed in claim 2, wherein a pull ring (22) is fixedly arranged on one side of the inserting plate (19), and supporting columns are fixedly arranged at four corners of the bottom of the workbench (1).

5. The device for searching the center coordinate of the workpiece by using the dial indicator as claimed in claim 1, wherein a servo motor (5) is fixedly mounted on one side of the bottom of the workbench (1), and an output shaft of the servo motor (5) is fixedly connected with the bottom end of the rotating shaft (3).

6. The device for finding the center coordinate of the workpiece by using the dial indicator as claimed in claim 1, wherein two guide plates (11) are fixedly arranged at the bottom of the transverse plate (7), and the moving plate (10) is slidably arranged on the guide plates (11).