CN218847170U

CN218847170U - Device for rotationally measuring outer diameter

Info

Publication number: CN218847170U
Application number: CN202223168646.XU
Authority: CN
Inventors: 马济状
Original assignee: Spindex Precision Engineering Shanghai Co ltd
Current assignee: Spindex Precision Engineering Shanghai Co ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-04-11
Anticipated expiration: 2032-11-28

Abstract

The utility model provides a device of rotary measurement external diameter belongs to measuring device technical field. The device for measuring the outer diameter in a rotating mode comprises a supporting frame; the top of the support frame is provided with a cylinder support, and the cylinder support is provided with a lifting cylinder and a piston rod matched with the lifting cylinder; a guide rail in the vertical direction is arranged on the side wall of the support frame, and a sliding block is arranged on the guide rail; the piston rod is connected with the sliding block; the sliding block is provided with a mounting rack, the mounting rack is provided with a motor support, and the motor support is provided with a servo motor; the lower side of mounting bracket is equipped with the floating measurement subassembly, the top of floating measurement subassembly is equipped with the connecting axle, the connecting axle passes the mounting bracket with servo motor passes through the shaft coupling and links to each other.

Description

Device for rotationally measuring outer diameter

Technical Field

The utility model belongs to the technical field of measuring device, concretely relates to device of rotatory measurement external diameter.

Background

In the production process of the lower shell of the speed reducer part of the washing machine, the outer diameter of a product needs to be detected. Among the prior art, the mode that adopts artifical the detection mostly, utilizes lever micrometer to carry out the mode that a lot of measurements got the average value to the product external diameter, and this kind of mode troublesome poeration, inefficiency produces measuring error moreover easily, still leaves the mar on the product surface easily among the measurement process, influences product quality.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a device of rotation measurement external diameter, the device simple structure, convenient to use can detect out the external diameter size of part fast high-efficiently.

A device for measuring the outer diameter in a rotating way comprises a supporting frame; the top of the support frame is provided with a cylinder support, and the cylinder support is provided with a lifting cylinder and a piston rod matched with the lifting cylinder; a guide rail in the vertical direction is arranged on the side wall of the support frame, and a sliding block is arranged on the guide rail; the piston rod is connected with the sliding block; the sliding block is provided with a mounting rack, the mounting rack is provided with a motor support, and the motor support is provided with a servo motor; a floating measurement component is arranged below the mounting rack, a connecting shaft is arranged at the top of the floating measurement component, the connecting shaft penetrates through the mounting frame and is connected with the servo motor through a coupler.

Further, the floating measurement assembly comprises a hollow cylindrical shell, a top cover is arranged at the top of the cylindrical shell, a pneumatic measuring head is movably arranged in the cylindrical shell, a measuring head supporting plate is arranged at the bottom of the cylindrical shell, and a measurement through hole is formed in the measuring head supporting plate; the top of the top cover is connected with the connecting shaft; and the bottom of the top cover and the side wall of the cylindrical shell are both provided with a plurality of spring plungers, and the spring plungers are in contact with the pneumatic measuring head.

Furthermore, a locking cylinder is further arranged on the side wall of the support frame.

Further, a linear bearing is arranged between the connecting shaft and the mounting frame.

Further, be equipped with the induction rod on the shaft coupling, be equipped with the inductor on the mounting bracket, the induction rod with the inductor cooperatees, the inductor with the servo motor electricity is connected.

Furthermore, the support frame is provided with an upper limiting block and a lower limiting block, the side edge of the sliding block is provided with a sliding block limiting block, and the sliding block limiting block is located between the upper limiting block and the lower limiting block.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a simple structure, convenient to use can detect out the external diameter size of part fast high-efficiently, realizes automatic the detection, has not only practiced thrift a large amount of manpower resources, has improved detection efficiency, has still reduced artifical measuring error, has improved production quality.

Drawings

Fig. 1 is a schematic structural diagram of an apparatus for rotationally measuring an outer diameter according to the present invention.

Fig. 2 is a schematic structural diagram of a floating measurement assembly of an apparatus for rotating an outer diameter according to the present invention.

Description of the reference numerals:

fig. 1 includes a support frame 1, a guide rail 2, a sliding block 3, a cylinder support 4, a lifting cylinder 5, a mounting frame 6, a motor support 7, a servo motor 8, a coupler 9, a linear bearing 10, a locking cylinder 11, an upper limiting block 12, a lower limiting block 13, a sliding block limiting block 14, an inductor 15 and a floating measurement assembly 16;

fig. 2 includes a cylindrical housing 17, a top cover 18, a measuring head support plate 19, a pneumatic measuring head 20, a measuring through hole 21, a spring plunger 22 and a connecting shaft 23.

Detailed Description

In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.

Referring to the attached drawing 1 of the specification, the present invention relates to a device for rotary measuring of outer diameter, which comprises a support frame 1; the top of the support frame 1 is provided with a cylinder support 4, and the cylinder support 4 is provided with a lifting cylinder 5 and a matched piston rod thereof; a guide rail 2 in the vertical direction is arranged on the side wall of the support frame 1, and a sliding block 3 is arranged on the guide rail 2; the piston rod is connected with the sliding block 3; the sliding block 3 is provided with a mounting frame 6, the mounting frame 6 is provided with a motor support 7, and the motor support 7 is provided with a servo motor 8; the below of mounting bracket 6 is equipped with unsteady measuring unit 16, the top of unsteady measuring unit 16 is equipped with connecting axle 23, connecting axle 23 passes mounting bracket 6 with servo motor 8 passes through shaft coupling 9 and links to each other.

Referring to fig. 2 in the specification, preferably, but not by way of limitation, the floating measurement assembly 16 includes a hollow cylindrical shell 17, a top cover 18 is disposed on the top of the cylindrical shell 17, a pneumatic measurement head 20 is movably disposed inside the cylindrical shell 17, a measurement head support plate 19 is disposed on the bottom of the cylindrical shell 17, and a measurement through hole 21 is disposed on the measurement head support plate 19; the top of the top cover 18 is connected with the connecting shaft 23; the bottom of the top cover 18 and the side wall of the cylindrical shell 17 are both provided with a plurality of spring plungers 22, and the spring plungers 22 are in contact with the pneumatic measuring head 20. In this embodiment, 3 spring plungers 22 are evenly distributed at the bottom of the top cover 18, and 3 spring plungers 22 are evenly distributed on the side wall of the cylindrical shell 17. The floating measurement assembly 16 can ensure the consistency of the measurement center, and when the measurement centers of the pneumatic measuring head 20 and the measured piece are different, the measured piece drives the pneumatic measuring head 20 to deviate until the centers are consistent. The measurement is completed and the spring plunger 22 pushes the pneumatic probe 20 back to the home position.

Preferably, but not limited, a locking cylinder 11 is further provided on a side wall of the support frame 1 for locking a part to be measured.

Preferably, but not limited to, a linear bearing 10 is arranged between the connecting shaft 23 and the mounting frame 6 to facilitate the rotation of the connecting shaft 23.

Preferably, but not limited to, an induction rod is arranged on the coupler 9, an inductor 15 is arranged on the mounting frame 6, the induction rod is matched with the inductor 15, and the inductor 15 is electrically connected with the servo motor 8. The sensor 15 is used for controlling the motor to stop rotating, so that the problem of position deviation caused by overlarge stress of the servo motor 8 can be effectively prevented.

Preferably, but not limited to, an upper limit block 12 and a lower limit block 13 are arranged on the support frame 1, a slider limit block 14 is arranged on a side edge of the slider 3, and the slider limit block 14 is located between the upper limit block 12 and the lower limit block 13. For defining the range of movement of the slider 3.

The utility model discloses a use method does:

the support frame 1 is mounted to a corresponding station in the production line. After the piece to be measured is transported to the position below the floating measurement assembly 16, the locking cylinder 11 works to lock and position the piece to be measured; the lifting cylinder 5 works to drive the sliding block 3, the mounting frame 6 and other structures to move downwards, and the piece to be measured passes through the measuring through hole 21 on the floating measuring component 16 and enters the pneumatic measuring head 20 to measure the outer diameter; the servo motor 8 works to drive the connecting shaft 23 to rotate, the floating measurement component 16 rotates along with the connecting shaft, and the pneumatic measuring head 20 can read the measured value of the outer diameter for multiple times in the rotating process, so that the size of the outer diameter of the piece to be measured is calculated. After the measurement is completed, the lifting cylinder 5 drives the sliding block 3, the mounting frame 6 and other structures to move upwards, the locking cylinder 11 returns, and the part is transported to the next link to prepare for the measurement of the next part.

The above embodiments are merely preferred embodiments of the present disclosure, which are not intended to limit the present disclosure, and any modifications, equivalents, improvements and the like, which are within the spirit and principle of the present disclosure, should be included in the scope of the present disclosure.

Claims

1. A device for rotary measurement of outer diameter, characterized by: comprises a supporting frame; the top of the support frame is provided with a cylinder support, and the cylinder support is provided with a lifting cylinder and a matched piston rod thereof; a guide rail in the vertical direction is arranged on the side wall of the support frame, and a sliding block is arranged on the guide rail; the piston rod is connected with the sliding block; the sliding block is provided with a mounting rack, the mounting rack is provided with a motor support, and the motor support is provided with a servo motor; a floating measurement component is arranged below the mounting rack, a connecting shaft is arranged at the top of the floating measurement component, the connecting shaft penetrates through the mounting frame and is connected with the servo motor through a coupler.

2. A rotary outer diameter measuring device according to claim 1, wherein: the floating measurement assembly comprises a hollow cylindrical shell, a top cover is arranged at the top of the cylindrical shell, a pneumatic measuring head is movably arranged in the cylindrical shell, a measuring head supporting plate is arranged at the bottom of the cylindrical shell, and a measurement through hole is formed in the measuring head supporting plate; the top of the top cover is connected with the connecting shaft; and the bottom of the top cover and the side wall of the cylindrical shell are both provided with a plurality of spring plungers, and the spring plungers are in contact with the pneumatic measuring head.

3. A rotary outer diameter measuring device according to claim 1, wherein: and a locking cylinder is also arranged on the side wall of the support frame.

4. A rotary outer diameter measuring device according to claim 1, wherein: and a linear bearing is arranged between the connecting shaft and the mounting frame.

5. A rotary outer diameter measuring device according to claim 1, wherein: the coupler is provided with an induction rod, the mounting frame is provided with an inductor, the induction rod is matched with the inductor, and the inductor is electrically connected with the servo motor.

6. A rotary outer diameter measuring device according to claim 1, wherein: the supporting frame is provided with an upper limiting block and a lower limiting block, the side edge of the sliding block is provided with a sliding block limiting block, and the sliding block limiting block is located between the upper limiting block and the lower limiting block.