CN218120906U

CN218120906U - Full-automatic image measuring instrument for detecting tooth profile of synchronous wheel

Info

Publication number: CN218120906U
Application number: CN202222458274.8U
Authority: CN
Inventors: 雷永志; 谢龙德; 刘玉君; 马洪强; 杨德军
Original assignee: Deen Seiko Pingshan Co ltd; Sichuan Cpt Precision Industry Science & Technology Co ltd
Current assignee: Deen Seiko Pingshan Co ltd; Sichuan Cpt Precision Industry Science & Technology Co ltd
Priority date: 2022-09-16
Filing date: 2022-09-16
Publication date: 2022-12-23
Anticipated expiration: 2032-09-16

Abstract

The utility model discloses a synchronous wheel profile of tooth detects uses full-automatic image measuring apparatu, it is main including chassis group, X is to transmission group, Y is to transmission group, Z is to transmission group and parts such as zoom lens, wherein install fixed Y to transmission group in the chassis group, X is arranged Y in to transmission group and is linear motion on Y is to linear guide rail to transmission group, Z is to transmission group swing joint and is linear motion on X is to linear guide rail to transmission group on X, Z is to fixed zoom lens above the transmission group and be up-and-down motion to the cooperation of guide pillar and Z to the guide pin bushing according to Z, carry out reading and measurement to each epaxial displacement through fixing the grating chi on each axle guide rail. The utility model discloses a diversified full-automatic image detects the operating procedure complicacy that has solved among the prior art, derive that the result is slow, measuring range is little, the technical problem that the precision is low.

Description

Full-automatic image measuring instrument for synchronous wheel tooth profile detection

Technical Field

The utility model relates to a full-automatic image measuring instrument, concretely relates to synchronous wheel profile of tooth detects uses full-automatic image measuring instrument.

Background

The synchronous wheel is widely applied to various fields due to a plurality of advantages of the synchronous wheel, and besides a universal standard tooth form, a plurality of users can shape the tooth form according to actual conditions. Due to the diversification of the tooth profile, the tooth profile needs to be measured by forming straight lines, arcs and angles of tooth profile elements, and if the detection result is inaccurate and causes the defects of limitation and different degrees, the requirements of large production batch, multiple types and high precision of the synchronous wheel cannot be met. Therefore, a full-automatic image measuring instrument for detecting the tooth profile of the synchronous wheel needs to be designed to solve the problem of inaccurate measuring results.

Under the background of the prior art, the tooth profile detection methods commonly used at present have the defects of limitation and different degrees: the three-coordinate detection requires high tooth surface roughness, the common hobbing tooth surface roughness can not reach the required scanning time, the scanning result derivation step is complex, and the derived data can not be automatically judged; the projector and the contourgraph can not perform data analysis and automatic judgment, and the measurement range is very small and is limited to be below 300mm in diameter.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a synchronous wheel profile of tooth detects uses full-automatic image measuring apparatu to solve the operating procedure among the prior art complicated, derive that the result is slow, measuring range is little, the technical problem that the precision is low.

In order to realize the above object, the utility model provides a synchronous wheel profile of tooth detects uses full-automatic image measuring apparatu, including chassis group, X to transmission group, Y to transmission group, Z to transmission group and zoom, Y is to transmission group and zoom to the fixed Y of installation on the chassis group, and X arranges Y in to transmission group on, and Z is to transmission group movable mounting on X is to transmission group, and Z is to fixed zoom above the transmission group.

Furthermore, the underframe group is formed by stacking a granite platform and a workbench.

Furthermore, the Y-direction transmission set is installed on the granite platform, grooves are milled on two sides of the surface of the granite platform for placing the Y-direction linear guide rails, and a workbench is placed in the remaining position between the two Y-direction linear guide rails.

Furthermore, a Y-direction grating ruler is arranged above the Y-direction linear guide rail, a Y-direction sliding frame (6) is fixed above the Y-direction grating ruler, and the Y-direction sliding frame does linear motion on the workbench along the Y axis under the constraint of the Y-direction linear guide rail.

Furthermore, the X-direction transmission group is arranged on an X-direction granite guide bar on the Y-direction sliding frame, an X-direction linear guide rail is arranged in the X-direction granite guide bar, an X-direction grating ruler is arranged on the X-direction linear guide rail, and the Z-direction transmission group linearly moves on the X-direction linear guide rail.

Furthermore, a Z-direction grating ruler is arranged in a Z-direction guide sleeve of the Z-direction transmission group, and a Z-direction guide post moves up and down in a Z-direction guide sleeve cavity.

Furthermore, the zoom lens is arranged at the bottom of the Z-direction guide post of the Z-direction transmission set, the zoom lens has focusing and measuring functions, and the surface light illumination set is arranged on the zoom lens.

Further, the shafts of the X-direction transmission set and the Z-direction transmission set of the Y-direction transmission set are driven by ball screws.

Based on the technical scheme, the utility model has the advantages of it is following:

(1) The fixed zoom lens can detect in each direction through the X-direction transmission group, the Y-direction transmission group and the Z-direction transmission group, and the transmission groups in each direction are used by the grating ruler, so that the fixed zoom lens can be accurately positioned and read, and the tooth profile can be detected more accurately and clearly;

(2) The zoom lens is provided with a surface light illumination group, the illumination position can be changed along with the fixed zoom lens, and the zoom lens has 200-level continuously adjustable LED annular surface light and bottom light;

(3) The axial linear motion of the X-direction transmission set, the Y-direction transmission set and the Z-direction transmission set adopts a transmission mode of a ball screw, the transmission precision of the ball screw is high, the transmission efficiency is good, and the detection result can be more accurate due to the characteristics of no slip in the transmission process.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic view of a ball screw transmission structure.

In the figure: 1. a chassis group; 2. a granite platform; 3. a work table; 4. a Y-direction linear guide rail; 5. a Y-direction grating ruler; 6. a Y-direction carriage; 7. an X-direction granite guide bar 8 and an X-direction linear guide rail; 9. a Z-direction grating ruler; 10. A Z-axis transmission set; 11. an X-direction grating ruler; 12. an X-direction transmission set; 13. a zoom lens; 14. a surface light illumination group; 15. a Y-direction transmission set; 16. a Z-direction guide sleeve; 17. a Z-direction guide post; 18. a bearing; 19. and a lead screw.

Detailed Description

In order to better understand the purpose, structure and function of the present invention, the following figures are combined to further describe the fully automatic image measuring apparatus for detecting the tooth profile of a synchronous wheel of the present invention in detail.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element 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 invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The utility model discloses use WD061B control system and WD061B-P6 keysets, WD061B control system can conveniently realize the control of each axle grating chi location, motor speed governing control, and the compatibility of multiple control mode such as the control of circuit to with WD061B-P6 keysets between the interaction of information can make each light and the accurate shooting of aiming of detection image, can conveniently carry out the mode switch according to the demand in a flexible way, realize that control mode is diversified.

As shown in fig. 1, the full-automatic image measuring apparatus for detecting the tooth profile of a synchronous wheel of the present invention includes a chassis set 1, an X-direction transmission set 12, a Y-direction transmission set 15, a Z-direction transmission set 10, and a zoom lens 13. The underframe group 1 is formed by stacking two planes of a granite platform 2 and a workbench 3, and the granite platform 2 is selected as a base, because of the characteristics of high marble material balance weight, convenient polishing precision and difficult deformation, the stability of the granite platform 2 is greatly improved when the granite platform 2 is placed on the plane, and the error in the detection process is reduced; a Y-direction transmission group 15 is arranged above the underframe group, grooves are milled on two sides of the surface of the granite plane 2, a worktable 3 with the size of 1300 x 2113 mm is placed at the allowance position in the middle of the grooves on the two sides, a Y-direction linear guide rail 4 is fixedly arranged in the grooves, a Y-direction carriage 6 linearly moves on the Y-direction linear guide rail 4, and a Y-direction grating ruler 5 is arranged on the Y-direction linear guide rail and can detect the displacement of the Y-direction carriage 6 on the Y-direction linear guide rail; the X-direction transmission group 12 is arranged above the Y-direction transmission group 15, the specific installation mode is that an X-direction granite guide bar 7 is fixedly arranged on a Y-direction sliding frame 6, an X-direction linear guide rail 8 is arranged on the X-direction granite guide bar 7 to form a low-friction, high-speed and high-precision guide system, an X-direction grating ruler 11 is arranged on the X-direction linear guide rail 8, a Z-direction transmission group 10 does linear motion on the X-direction linear guide rail 8, the X-direction grating ruler 11 detects the displacement of the Z-direction transmission group 10 moving on the X-direction linear guide rail 8, the Z-direction transmission group 10 consists of a Z-direction guide column 17 on a Z-direction guide sleeve 16, and the Z-direction grating ruler 9 is arranged on the Z-direction guide sleeve and used for detecting the displacement of the Z-direction guide column 17 moving up and down in the Z-direction guide sleeve 16; the bottom end of the Z-direction guide column 17 is provided with a zoom lens 13, the Z-direction transmission group 10 is arranged on the X-direction transmission group 12, the X-direction transmission group 12 is arranged on the Y-direction transmission group 15, so that the zoom lens 13 can be randomly adjusted in a space range, and the zoom lens 13 is provided with a surface light illumination group 14 for providing surface light and bottom light for the detection process.

The axes of the X-direction transmission group 12, the Y-direction transmission group 15 and the Z-direction transmission group 10 are all in a ball screw transmission mode, and the ball screw transmission has the characteristics of high transmission precision, high transmission efficiency, small friction loss and no slipping in the transmission process, as shown in fig. 2, the ball screw transmission is formed by matching a bearing 18 and a screw 19, a motor is started to enable the screw to rotate axially, a roller in the bearing 18 rolls along a thread path of the screw 19 to drive the bearing 18 to do linear motion on the screw 19, the linear motion displacement of the bearing 18 on the screw 19 is controlled by each axis grating ruler, and the resolution of the grating rulers of the X-axis, the Y-axis and the Z-axis is 0.0005 mm; measuring the strokes of the zoom lens 13 measured on the X axis and the Y axis through the displacement of linear motion to measure a synchronous wheel on the workbench 3, wherein the effective strokes of the X axis and the Y axis are 1200 mm multiplied by 1500 mm; measuring a synchronous wheel on the workbench 3 through linear movement displacement and 300-time focusing measurement of a stroke measured by the zoom lens 13 on a Z axis, wherein the moving speeds of motors of an X axis and a Y axis driven by the ball screw are smaller than 200 mm/s, the moving speed of the motor of the Z axis is smaller than 100 mm/s, the moving step length of the motors of the X axis, the Y axis and the Z axis is 0.4 um/step, and the resolution of the motor is 10000 steps/rotation; the surface light illuminating system 14 adopts 16-area and 200-level continuous adjustable LED annular surface light and bottom light, and the image aiming system adopts a 230 ten thousand-pixel CCD color camera and a 1.4 to 9.0-multiplied coaxial optical lens.

The working process of the utility model is as follows: generating a complete tooth according to a shape modification tooth profile provided by a user, leading the complete tooth into a system, finding the center of an excircle and teeth of a synchronizing wheel, detecting 6 to 8 teeth in each direction of 0 degrees, 90 degrees, 270 degrees and 360 degrees of the synchronizing wheel, placing a detected synchronizing wheel on a workbench 3, setting data of an X-axis grating ruler, a Y-axis grating ruler and a Z-axis grating ruler according to the measured position of the detected synchronizing wheel by a zoom lens 13 in a camera, operating motors of the X-axis and the Y-axis through a control system, enabling a Y-direction sliding frame 6 to drive the zoom lens 13 to move in the Y direction through a Y-direction linear guide rail 4, driving the zoom lens 13 to move in the X direction through an X-direction linear guide rail 8 by an X-direction transmission group 12, respectively driving reading heads of an X-direction grating ruler 11 and a Y-direction grating ruler 5 to move in the X direction and the Y direction through a control system, sending a signal of the control system to an adapter plate, starting a surface light illumination group 14 to illuminate, simultaneously starting a Z-axis motor to control the displacement of the zoom lens 13 in the Z axis, measuring the detected synchronizing wheel, starting the aiming light of an image aiming system, and enabling the coaxial light of the zoom lens 13 to automatically change under the illumination condition.

The utility model relates to a synchronous wheel profile of tooth detects and has reduced loaded down with trivial details measuring step for synchronous wheel profile of tooth detects with full-automatic image measuring apparatu to full-automatic detection mode has avoided the pollution influence of manual contact production to shine the shooting of zoom 13 under 14 in the surperficial illumination group, owing to use the accurate location and the stable transmission mode of ball of each axle grating chi, make and to satisfy more sizes and precision when synchronous wheel profile of tooth detects, improved the rate of accuracy and reduced the rejection rate and can realize mass production.

It is to be understood that the present invention has been described with reference to certain embodiments and that various changes or equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention as defined by the appended claims. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are intended to be covered by the present invention.

Claims

1. The utility model provides a full-automatic image measuring instrument is used in synchronous wheel profile of tooth detection, includes chassis group (1), X to transmission group (12), Y to transmission group (15), Z to transmission group (10) and zoom lens (13), its characterized in that: the chassis group (1) is fixedly provided with a Y-direction transmission group (15), the X-direction transmission group (12) is arranged on the Y-direction transmission group (15), the Z-direction transmission group (10) is movably connected to the X-direction transmission group (12), and the zoom lens (13) is fixed on the Z-direction transmission group (10).

2. The full-automatic image measuring instrument for detecting the tooth profile of the synchronous wheel as claimed in claim 1, wherein the chassis group (1) is formed by stacking a granite platform (2) and a workbench (3).

3. The full-automatic image measuring instrument for detecting the tooth profile of the synchronous wheel as claimed in claim 1, wherein the Y-direction transmission set (15) is installed on the granite platform (2), and grooves are milled on both sides of the surface of the granite platform (2) for placing the Y-direction linear guide rails (4).

4. The full-automatic image measuring instrument for detecting the tooth profile of the synchronous wheel according to claim 3, wherein a Y-direction grating ruler (5) is installed above the Y-direction linear guide rail (4), a Y-direction carriage (6) is fixed above the Y-direction grating ruler (5), and the Y-direction carriage (6) performs a Y-axis linear motion on the workbench (3) under the constraint of the Y-direction linear guide rail (4).

5. The full-automatic image measuring instrument for detecting the tooth profile of the synchronous wheel according to claim 1, characterized in that the X-direction transmission set (12) is arranged on an X-direction granite guide bar (7) on a Y-direction carriage (6), an X-direction linear guide rail (8) is arranged in the X-direction granite guide bar (7), an X-direction grating ruler (11) is arranged on the X-direction linear guide rail (8), and the Z-direction transmission set (10) moves linearly on the X-direction linear guide rail (8).

6. The full-automatic image measuring instrument for detecting the tooth profile of the synchronous wheel according to claim 1, wherein a Z-direction grating ruler (9) is arranged in a Z-direction guide sleeve (16) of the Z-direction transmission set (10), and a Z-direction guide post (17) moves up and down in a cavity of the Z-direction guide sleeve (16).

7. The full-automatic image measuring instrument for detecting the tooth profile of the synchronous wheel as claimed in claim 1, wherein the zoom lens (13) is fixedly installed at the bottom of the Z-direction guide post (17) of the Z-direction transmission set (10), the zoom lens (13) has 300 focusing and measuring functions, and a surface light illumination set (14) is installed above the zoom lens (13).

8. The full-automatic image measuring instrument for detecting the tooth profile of the synchronous wheel according to claim 1, wherein the axes of the X-direction transmission set (12), the Y-direction transmission set (15) and the Z-direction transmission set (10) are all in a ball screw transmission mode.