CN214121110U

CN214121110U - End face runout measuring mechanism for brake disc

Info

Publication number: CN214121110U
Application number: CN202120290501.3U
Authority: CN
Inventors: 杨跞; 张省; 刘斌; 徐光宇
Original assignee: Shanghai Xinsong Robot Co ltd
Current assignee: Shanghai Xinsong Robot Co ltd; Shenyang Siasun Robot and Automation Co Ltd
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2021-09-03
Anticipated expiration: 2031-02-02

Abstract

The utility model provides an end face runout measuring mechanism for brake disc, this measuring mechanism includes: the device comprises a floating measuring device and a lifting device, wherein the lifting device is arranged below the floating measuring device and used for fixing a product and moving and rotating the product. The floating measuring device is pressed tightly with the product in a floating mode, and the product is measured. The utility model provides a measuring mechanism easy operation, the mode that floats and compress tightly can guarantee that the product terminal surface is beated and is measured more accurate. And the automatic operation has still changed the situation that manual measurement wasted time and energy in the past, has eliminated the influence of the product positioning disk end face run-out error of lifting device to product measurement accuracy.

Description

End face runout measuring mechanism for brake disc

Technical Field

The utility model relates to a mechanical measurement technical field especially relates to the end face is beated and is measured, specifically is an end face is beated and is measured mechanism for brake disc.

Background

The automobile brake system plays a role in lifting the automobile driving safety, the quality of a brake disc rotor assembly determines the quality of the automobile brake system, and the end face runout value of the brake disc is a very important quality parameter in the assembly process. At present, most of the measurement of the brake disc end face runout in the brake disc rotating body is measured in a manual mode, but the structure is complex, the beat length is long, the error is large, and the requirements of an automatic production line cannot be met. In addition, the end face runout error of the existing automatic measuring positioning disc also influences the measuring precision, and the change of the jacking force also influences the fixation change of the product, so that the measurement of the product is influenced.

Therefore, a need exists in the art for a method that is simple in operation, compact in floating, accurate in measurement, and capable of eliminating the influence of the end face run-out error of the positioning plate.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide an end face runout measuring mechanism for brake disc. This measuring mechanism has changed the situation that artifical measurement in the past is wasted time and energy, has eliminated lifting device's product positioning disk end face run-out error to product measurement accuracy's influence, and easy operation, and the mode that floats and compress tightly can guarantee to measure more accurate.

The utility model provides an end face runout measuring mechanism for brake disc, this measuring mechanism includes: the floating measurement device and the lifting device, wherein, the floating measurement device includes: the device comprises a fixed plate, a top plate, a main shaft, an elastic piece, a pressure head, a detector and a first guide shaft, wherein the top plate is fixedly connected above the fixed plate through a fixing piece, and is not in contact with the fixed plate; the main shaft penetrates through the through hole in the fixing plate, and the elastic part is arranged between the upper end of the main shaft and the top plate and used for providing elastic force; the lower end of the main shaft is fixedly connected with a fixed seat, and the fixed seat is fixedly provided with the pressure head for pressing a product and the detector for measuring the product; the fixed plate is provided with a guide hole, the first guide shaft penetrates through the guide hole, and the lower end of the first guide shaft is fixedly connected to a fixed block positioned at the lower part of the main shaft and used for guiding the displacement of the main shaft; and the lifting device is arranged below the pressure head and used for fixing the product and moving and rotating the product.

The utility model discloses an among the embodiment, this measuring mechanism still includes: the linear bearing is fixed on the fixing plate, and the first guide shaft penetrates through the linear bearing; and the inner ring of the ball bearing is fixed on the main shaft, and the outer ring of the ball bearing is fixed on the fixed block and is fixedly connected with the fixed block and used for limiting the degree of freedom of the main shaft.

The utility model discloses an in the embodiment, the detector passes through connecting plate fixed connection to on the fixing base, be used for measuring the product.

Furthermore, a translation cylinder is fixedly connected to the connecting plate, and an extension rod of the translation cylinder is fixedly connected with the detector through a connecting rod and used for adjusting the position of the detector.

Furthermore, a sliding guide rail is fixed on the connecting plate, and the detector is connected with the sliding guide rail in a sliding manner and used for limiting the moving direction of the detector.

In an embodiment of the present invention, the elastic member is a spring.

The utility model discloses an in the embodiment, the main shaft is located the through-hole upper portion part of fixed plate has the bulge loop, the bulge loop diameter is greater than the diameter of the through-hole of fixed plate is used for preventing the main shaft drops.

In an embodiment of the present invention, the lifting device includes: the device comprises a large platen, a small platen, a positioning disc, a planar bearing, a motor and a lifting cylinder, wherein the positioning disc is connected to the planar bearing, the planar bearing is fixed to the upper part of the small platen, and the positioning disc is connected with an output shaft of the motor through a connecting hole in the small platen; the motor is fixed to the lower part of the small bedplate through a fixing frame and is used for driving the positioning plate to rotate; the lifting cylinder is fixed on the large bedplate, and a telescopic rod of the lifting cylinder is connected with the small bedplate and used for providing power for lifting of the small bedplate; and a second guide shaft is fixed on the small bedplate, penetrates through the through hole in the large bedplate and is used for guiding the lifting of the small bedplate.

Furthermore, the lifting device is also provided with a coupler, and the coupler is used for connecting the motor and the positioning disk.

Furthermore, the lifting device is also provided with a buffer, and the buffer is arranged at the lower part of the large table plate, corresponds to the position of the second guide shaft and is used for buffering the falling of the second guide shaft.

According to the above embodiment, the utility model provides an end face runout measuring mechanism for brake disc has following benefit: the condition that manual measurement wastes time and energy in the past is changed, the influence of the end face runout error of the product positioning disc of the lifting device on the product measurement precision is eliminated, the automatic station is applied to a single-station automatic station and a production line automatic station, a product is transported to the workpiece positioning disc of the lifting mechanism through a mechanical arm or a transmission line, and the automatic measurement of the end face runout of the brake disc in the brake disc assembly body is realized. Compared with the existing automatic measurement, the measuring mechanism is simple to operate, and the floating compression mode can ensure more accurate measurement.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of the specification of the invention, illustrate exemplary embodiments of the invention and together with the description, serve to explain the principles of the invention.

Fig. 1 is the utility model provides a whole structure chart of an end face runout measuring mechanism for brake disc.

Fig. 2 is a cross-sectional view of the utility model provides a floating measurement device for an end face runout measuring mechanism of a brake disc.

Fig. 3 is a structural diagram of a floating measurement device for an end face runout measurement mechanism of a brake disc provided by the utility model.

Fig. 4 is a structural diagram of a lifting device for an end face runout measuring mechanism of a brake disc according to the present invention.

Description of reference numerals:

the device comprises a fixed plate 1, a top plate 2, a main shaft 3, an elastic part 4, a pressure head 5, a detector 6, a first guide shaft 7, a lifting device 8, a fixed seat 9, a product 10, a fixed block 11, a linear bearing 12, a ball bearing 13, a connecting plate 14, a translation cylinder 15, a sliding guide rail 16, a large bedplate 17, a small bedplate 18, a positioning plate 19, a plane bearing 20, a motor 21, a lifting cylinder 22, a fixed frame 23, a second guide shaft 24, a coupler 25, a hydraulic buffer 26, a convex ring 27, a connecting rod 28 and a floating measuring device 29.

Detailed Description

Reference will now be made in detail to various exemplary embodiments of the invention, which should not be considered limiting of the invention, but rather should be understood to be a more detailed description of certain aspects, features and embodiments of the invention.

It will be apparent to those skilled in the art that various modifications and variations can be made in the embodiments of the present disclosure without departing from the scope or spirit of the disclosure. Other embodiments will be apparent to those skilled in the art from consideration of the specification. The specification and examples are exemplary only.

The utility model provides a pair of a face runout measuring mechanism for brake disc includes floating measurement device 29 and jacking device 8. As shown in fig. 1, the jacking device 8 is provided at a lower portion of the floating measuring device. The floating measuring device is used for floating and pressing the product 10 and measuring the product 10. The jacking device 8 is used for fixing the product 10 and driving the product 10 to move up and down and rotate.

Fig. 2 is a cross-sectional view of the utility model provides a floating measurement device for an end face runout measuring mechanism of a brake disc. In the embodiment shown in the drawing, the float measuring device 29 comprises: the device comprises a fixed plate 1, a top plate 2, a main shaft 3, an elastic piece 4, a pressure head 5, a detector 6 and a first guide shaft 7. Wherein, the top plate 2 is fixedly connected above the fixing plate 1 through a fixing member, and the top plate 2 is not in contact with the fixing plate 1, i.e. the top plate 2 and the fixing plate 1 have a certain interval therebetween.

The main shaft 3 passes through the through hole on the fixing plate 1, and an elastic part 4 is arranged between the upper end of the main shaft 3 and the top plate 2 and used for providing elastic force. The preferred resilient member 4 is a spring. The upper part of the main shaft 3 in the through hole of the fixed plate 1 has a protruding ring 27, the diameter of the protruding ring 27 is larger than that of the through hole of the fixed plate 1, and the protruding ring 27 is used for preventing the main shaft 3 from falling from the through hole of the fixed plate 1.

In the specific implementation manner of this embodiment, the lower end of the main shaft 3 is fixedly connected with a fixed seat 9, and a pressing head 5 for pressing a product 10 and a detector 6 for measuring the product 10 are fixed on the fixed seat 9. In addition, a lifting device 8 is arranged below the ram 5.

In a specific embodiment of this embodiment, the fixing plate 1 has a guide hole, the first guide shaft 7 passes through the guide hole, the lower end of the first guide shaft 7 is fixedly connected to a fixing block 11 located at the lower portion of the main shaft 3, and the first guide shaft 7 is used for guiding the displacement of the main shaft 3. The fixed block 11 is clamped at the lower part of the main shaft 3. In addition, the first guide shaft 7 can be in contact with the top plate 2, and the amount of upward displacement of the main shaft 3 is limited.

The utility model discloses an among the specific embodiment, this measuring mechanism still includes: linear bearings 12 and ball bearings 13. Wherein, linear bearing 12 is fixed on fixed plate 1, and first guiding axle 7 passes linear bearing 12, and linear bearing 12 can make the removal of first guiding axle 7 more smooth and easy, reduces the wearing and tearing of first guiding axle 7, and can avoid first guiding axle 7 to appear blocking when reciprocating.

The inner ring of the ball bearing 13 is fixed on the main shaft 3, the outer ring of the ball bearing 13 is fixed on the fixed block 11 and fixedly connected, and the ball bearing 13 is used for limiting the degree of freedom of the main shaft 3, so that the main shaft 3 can only rotate relative to the fixed block 11.

In the specific embodiment of the utility model, detector 6 is through connecting plate 14 fixed connection to fixing base 9, and detector 6 is used for measuring product 10.

As shown in fig. 3, a translation cylinder 15 is fixedly connected to the connecting plate 14, an extension rod of the translation cylinder 15 is fixedly connected to the detector 6 through a connecting rod 28, and the translation cylinder 15 is used for adjusting the position of the detector 6. In a specific embodiment of the present embodiment, a sliding guide rail 16 is fixed on the connecting plate 14, the detector 6 is slidably connected to the sliding guide rail 16, and the sliding guide rail 16 is used for limiting the moving direction of the detector 6, so that the movement of the detector 6 is more stable. In this embodiment, the detector 6 is preferably a displacement sensor, and detects the distance from the surface of the product in rotation to the displacement sensor to determine the end face runout amount of the product 10.

In a specific embodiment of the present invention, as shown in fig. 4, the lifting device 8 includes: a large platen 17, a small platen 18, a positioning plate 19, a plane bearing 20, a motor 21 and a lifting cylinder 22. Wherein the positioning disk 19 is attached to a flat bearing 20, which flat bearing 20 enables the positioning disk 19 to rotate in one plane. The plane bearing 20 is fixed on the upper part of the small bedplate 18, and the positioning plate 19 is connected with the output shaft of the motor 21 through a connecting hole on the small bedplate 18. The motor 21 is fixed to the lower part of the small bedplate 18 through a fixing frame 23, and an output shaft of the motor 21 can drive the positioning disc 19 to rotate. In this embodiment, the lifting device 8 further has a coupling 25, and the coupling 25 is used for connecting the motor 21 and the positioning disk 19 to realize transmission of rotating force.

The lifting cylinder 22 is fixed on the large platen 17, an expansion link of the lifting cylinder 22 is connected with the small platen 18, and the lifting cylinder 22 is used for providing power for lifting the small platen 18 so as to drive the positioning disc 19 and the motor 21 to move up and down.

A second guide shaft 24 is fixed on the small bedplate 18, the second guide shaft 24 penetrates through a through hole on the large bedplate 17, and the second guide shaft 24 is used for guiding the lifting of the small bedplate 18. In addition, the lifting device 8 has a buffer 26. The damper 26 is provided at the lower portion of the large platen 17 at a position corresponding to the second guide shaft 24. The second guiding shaft 24 contacts with the buffer 26 during the descending process, and the buffer 26 is used for buffering the descending of the second guiding shaft 24, so as to prevent the second guiding shaft 24 from descending too fast, and the lifting device 8 or the product 10 is damaged. In this embodiment, the preferred damper 26 is a hydraulic damper.

The utility model provides a measuring mechanism's concrete implementation process as follows. The product 10 is first fixedly mounted on the positioning plate 19, and then the small table plate 18 is lifted by the lifting cylinder 22, so that the positioning plate 19 and the product 10 are lifted to the measuring position. During the lifting process, after the pressure head 5 contacts the product 10, the product 10 still moves upwards under the pushing of the lifting air cylinder 22. After the top of the first guide shaft 7 contacts the top plate 2, the upward movement of the product 10 is stopped, and then the lift cylinder 22 is turned off.

After the product 10 is lifted to the measuring position, the translation cylinder 15 is activated to move the detector 6 to the position corresponding to the detection. The motor 21 and detector 6 are then activated to perform end face run-out measurements on the product 10.

After the measurement is completed, the motor 21 and the detector 6 are turned off, and then the translation cylinder 15 is activated to move the detector 6 to the initial position. Finally, the lift cylinder 22 is actuated to move the product 10 downwardly to the home position and remove the product 10 from the puck 19.

The foregoing is only an illustrative embodiment of the present invention, and any equivalent changes and modifications made by those skilled in the art without departing from the spirit and principles of the present invention should fall within the protection scope of the present invention.

Claims

1. A runout measuring mechanism for a brake disc, the measuring mechanism comprising: a floating measuring device (29) and a lifting device (8), wherein the floating measuring device (29) comprises: a fixed plate (1), a top plate (2), a main shaft (3), an elastic piece (4), a pressure head (5), a detector (6) and a first guide shaft (7), wherein,

the top plate (2) is fixedly connected above the fixed plate (1) through a fixing piece, and the top plate (2) is not contacted with the fixed plate (1);

the main shaft (3) penetrates through a through hole in the fixing plate (1), and the elastic part (4) is arranged between the upper end of the main shaft (3) and the top plate (2) and used for providing elastic force;

the lower end of the main shaft (3) is fixedly connected with a fixed seat (9), and the pressure head (5) used for pressing a product (10) and the detector (6) used for measuring the product (10) are fixed on the fixed seat (9);

the fixed plate (1) is provided with a guide hole, the first guide shaft (7) penetrates through the guide hole, and the lower end of the first guide shaft (7) is fixedly connected to a fixed block (11) positioned at the lower part of the main shaft (3) and used for guiding the displacement of the main shaft (3); and

the lifting device (8) is arranged below the ram (5) for fixing the product (10) and for moving and rotating the product (10).

2. The end-face run-out measuring mechanism for a brake disc of claim 1, further comprising: a linear bearing (12) and a ball bearing (13), wherein,

the linear bearing (12) is fixed on the fixing plate (1), and the first guide shaft (7) penetrates through the linear bearing (12); and

the inner ring of the ball bearing (13) is fixed on the main shaft (3), and the outer ring of the ball bearing (13) is fixed on the fixing block (11) and is used for limiting the degree of freedom of the main shaft (3).

3. End-face runout measuring mechanism for brake discs according to claim 1, characterised in that the detector (6) is fixedly connected to the holder (9) by means of a connecting plate (14) for measuring the product (10).

4. End-face runout measuring mechanism for brake discs according to claim 3, characterised in that a translation cylinder (15) is fixedly connected to the connecting plate (14), and the extension rod of the translation cylinder (15) is fixedly connected to the detector (6) by a connecting rod (28) for adjusting the position of the detector (6).

5. End-face runout measuring mechanism for brake discs according to claim 4, characterized in that a sliding guide (16) is fixed on the connecting plate (14), and the detector (6) is connected with the sliding guide (16) in a sliding manner for limiting the moving direction of the detector (6).

6. End-face runout measuring mechanism for brake discs according to claim 1, characterised in that the elastic element (4) is a spring.

7. The end-face runout measuring mechanism for brake discs according to claim 1, wherein the spindle (3) has a collar (27) at the upper portion of the through hole of the fixed plate (1), the collar (27) having a diameter larger than that of the through hole of the fixed plate (1) for preventing the spindle (3) from falling.

8. End-face runout measuring mechanism for brake discs according to claim 1, characterised in that the lifting device (8) comprises: a big bedplate (17), a small bedplate (18), a positioning disc (19), a plane bearing (20), a motor (21) and a lifting cylinder (22),

the positioning disc (19) is connected to the plane bearing (20), the plane bearing (20) is fixed to the upper part of the small bedplate (18), and the positioning disc (19) is connected with an output shaft of the motor (21) through a connecting hole in the small bedplate (18);

the motor (21) is fixed to the lower part of the small bedplate (18) through a fixing frame (23) and is used for driving the positioning disc (19) to rotate;

the lifting cylinder (22) is fixed on the large bedplate (17), and a telescopic rod of the lifting cylinder (22) is connected with the small bedplate (18) and used for providing power for lifting of the small bedplate (18);

and a second guide shaft (24) is fixed on the small bedplate (18), and the second guide shaft (24) penetrates through a through hole in the large bedplate (17) and is used for guiding the lifting of the small bedplate (18).

9. End-face runout measuring mechanism for brake discs according to claim 8, characterised in that the lifting device (8) further has a coupling (25), which coupling (25) is used to connect the motor (21) with the positioning disc (19).

10. The runout measuring mechanism for brake discs according to claim 8, wherein the lifting device (8) further has a damper (26), and the damper (26) is provided at a lower portion of the large table plate (17) corresponding to the position of the second guide shaft (24) for damping the fall of the second guide shaft (24).