CN221099627U

CN221099627U - Detection device

Info

Publication number: CN221099627U
Application number: CN202323169179.7U
Authority: CN
Inventors: 袁正; 陈勇
Original assignee: Shenzhen Topband Co Ltd
Current assignee: Shenzhen Topband Co Ltd
Priority date: 2023-11-22
Filing date: 2023-11-22
Publication date: 2024-06-07
Anticipated expiration: 2033-11-22

Abstract

The utility model relates to a detection device, comprising: a carrying member which carries the workpiece and is rotatably provided; the driving mechanism is used for driving the bearing piece to rotate; a transmission mechanism connected with the driving mechanism and the bearing piece; the ejector pin assembly comprises a first ejector pin mechanism and a second ejector pin mechanism; the first thimble mechanism and the second thimble mechanism are positioned at two opposite sides of the bearing piece and are configured to fix the workpiece on the bearing piece through relative movement; at least one detection element disposed towards the carrier. The detection device can drive the bearing piece which is connected with the bearing piece through the driving mechanism to drive the bearing piece which is used for bearing the workpiece to rotate, fix the workpiece on the bearing piece through the relative movement of the first thimble mechanism and the second thimble mechanism, and automatically detect the workpiece through at least one detection element which is arranged towards the bearing piece, thereby realizing automatic detection of the workpiece, avoiding falling of the workpiece and improving the detection efficiency and the detection precision.

Description

Detection device

Technical Field

The utility model relates to the field of automation, in particular to a detection device.

Background

For workpiece runout detection, a workpiece is usually manually loaded on a deflection instrument, a measuring head of a dial indicator is placed on the workpiece, the workpiece is manually rotated for one circle, the maximum value of workpiece runout is observed and recorded, and the following defects generally exist in manual operation:

1. Manually touching the workpiece easily causes the workpiece to drop, thereby saving operators;

2. The detection efficiency is low;

3. the detected measuring head directly contacts the workpiece, and the risk of scratching the workpiece exists;

4. The manual judgment is easy to misjudge or miss, and the authenticity of the data is affected.

Disclosure of utility model

The utility model aims to provide an improved detection device.

The technical scheme adopted for solving the technical problems is as follows: a detection device is constructed, comprising:

a carrying member which carries the workpiece and is rotatably provided;

The driving mechanism is used for driving the bearing piece to rotate;

a transmission mechanism connected with the driving mechanism and the bearing piece;

The ejector pin assembly comprises a first ejector pin mechanism and a second ejector pin mechanism; the first thimble mechanism and the second thimble mechanism are positioned at two opposite sides of the bearing piece and are configured to fix the workpiece on the bearing piece through relative movement;

At least one detection element disposed towards the carrier.

In some embodiments, the carrier comprises a wheel-like structure with a through slot in the central axis into which the workpiece portion is placed.

In some embodiments, the first and second thimble mechanisms are disposed along an axial direction of the wheel structure.

In some embodiments, the drive mechanism comprises a drive wheel and a drive belt; the driving wheel is connected with the driving mechanism, and the driving belt is sleeved on the driving wheel and the bearing piece.

In some embodiments, the driving mechanism comprises a motor, and the driving wheel is sleeved on an output shaft of the motor.

In some embodiments, further comprising:

A frame; the bearing piece, the first thimble mechanism and the second thimble mechanism are arranged on the frame;

The driving piece is used for driving the first thimble mechanism and the second thimble mechanism to move relatively, and the driving piece is arranged on the frame.

In some embodiments, the device further comprises a guide mechanism for guiding the movement of the first thimble mechanism;

The guide mechanism comprises a guide rail arranged on the frame and a sliding block sleeved on the guide rail in a sliding way; the sliding block is connected with the driving piece and the first thimble mechanism.

In some embodiments, the driver comprises a cylinder;

The detection device further comprises a pressure regulating valve which is arranged on the frame and used for regulating the pressure of the air cylinder.

In some embodiments, further comprising a mounting bracket coupled to the slider and the driver; the detection element is arranged on the mounting frame;

And the mounting frame is provided with a through hole for the first thimble mechanism to penetrate.

In some embodiments, the detection element comprises a laser displacement sensor.

The detection device has the following beneficial effects: the detection device can drive the bearing piece which is connected with the bearing piece through the driving mechanism to drive the bearing piece which is used for bearing the workpiece to rotate, fix the workpiece on the bearing piece through the relative movement of the first thimble mechanism and the second thimble mechanism, and automatically detect the workpiece through at least one detection element which is arranged towards the bearing piece, thereby realizing automatic detection of the workpiece, avoiding falling of the workpiece and improving the detection efficiency and the detection precision.

Drawings

The utility model will be further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a schematic diagram of a detection device according to some embodiments of the present utility model;

fig. 2 is an enlarged schematic view of a partial structure of the detecting device shown in fig. 1.

Detailed Description

For a clearer understanding of technical features, objects and effects of the present utility model, a detailed description of embodiments of the present utility model will be made with reference to the accompanying drawings. In the following description, it should be understood that the directions or positional relationships indicated by "upper", "lower", "top", "bottom", etc. are configured and operated in specific directions based on the directions or positional relationships shown in the drawings, and are merely for convenience of description of the present utility model, and do not indicate that the apparatus or element referred to must have specific directions, and thus should not be construed as limiting the present utility model.

It should also be noted that unless explicitly stated or limited otherwise, terms such as "mounted," "connected," "secured," "disposed," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. When an element is referred to as being "on" or "under" another element, it can be "directly" or "indirectly" on the other element or one or more intervening elements may also be present. The terms "first," "second," and the like, are used merely for convenience in describing the present technology and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby features defining "first," "second," and the like may explicitly or implicitly include one or more such features. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the following description, for purposes of explanation and not limitation, specific details are set forth such as the particular system architecture, techniques, etc., in order to provide a thorough understanding of the embodiments of the present utility model. It will be apparent, however, to one skilled in the art that the present utility model may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present utility model with unnecessary detail.

Fig. 1 shows some preferred embodiments of the detection device. The detection device may be used to detect runout of the workpiece 200. In some embodiments, the workpiece 200 may be a code wheel and/or a housing of a motor. The detection device can be used for detecting the jumping condition of the code disc and also can be used for detecting the jumping condition of the shell. In other embodiments, the workpiece 200 is not limited to being a code wheel and/or a housing of a motor, but may be other structures. In some embodiments, the detection device may not be limited to detecting runout of the workpiece 200, but may also detect other functions of the workpiece 200. The detection device can automatically detect the workpiece 200, avoid the workpiece 200 from falling, and improve the detection efficiency and the detection precision.

As shown in fig. 1 and 2, in some embodiments, the detection device may include a frame 10, a carrier 20, a driving mechanism 30, a transmission mechanism 40, and at least one detection element 90. The housing 10 may be used for mounting the carrier 20, the drive mechanism 30, the transmission mechanism 40, etc. The carrying member 20 is rotatably disposed and is configured to carry the workpiece 200, thereby driving the workpiece 200 to rotate. The drive mechanism 30 may be used to drive the rotation of the carrier 20. The transmission mechanism 40 is connected with the driving mechanism 30 and the bearing member 20, and can be driven by the driving mechanism 30 to drive the bearing member 20 to rotate. At least one detection element 90 may be disposed toward the carrier 20 and may be used to detect a workpiece.

In some embodiments, the rack 10 may include a side plate 11, a bottom plate 12 and a top plate 13, where the side plate 11 may be disposed lengthwise, and the bottom plate 12 and the top plate 13 are disposed at two ends of the side plate 11 and extend along a direction perpendicular to a length direction of the side plate 11. The bottom plate 12 and the top plate 13 may be arranged in parallel. The bottom plate 12 and the top plate 13 can be fixedly connected with the side plate 11 through a connecting component. The connection assembly may include a screw assembly, a card insertion assembly, or the like. A mounting plate 14 is disposed between the bottom plate 12 and the top plate 13, and the mounting plate 14 may be disposed parallel to the bottom plate 12 and the top plate 13.

In some embodiments, a carrier 20 is provided on the housing 10, and is specifically rotatably mounted on the mounting plate 14. The carrier 20 may comprise a wheel-like structure 21, which wheel-like structure 21 may be in the shape of an external gear, the rotation axis of the wheel-like structure 21 being parallel to the length direction of the side plates 11. A through groove 22 is formed at the center axis of the wheel-shaped structure 21, and the through groove 22 can be used for partially placing the workpiece 200.

In some embodiments, the drive mechanism 30 may be a motor, in particular a servo motor. The drive mechanism 30 may be mounted between the base plate 12 and the mounting plate 14, and its output shaft may extend from the mounting plate 14 toward the top plate 13.

In some embodiments, the drive mechanism 40 may include a drive wheel 41 and a drive belt 42. The driving wheel 41 is rotatably mounted on the mounting plate 14, and may be a synchronous wheel, which may be connected to the driving mechanism 30, specifically, sleeved on the output shaft 31 of the motor, so as to be driven to rotate by the driving mechanism 30. In some embodiments, the driving belt 42 may be sleeved on the driving wheel 41 and the carrier 20, and the driving wheel 41 is driven by the driving mechanism 30 to rotate so as to drive the driving belt 42 to rotate, thereby driving the carrier 20 to rotate.

In some embodiments, the detection device further includes a thimble assembly 50, where the thimble assembly 50 may include a first thimble mechanism 51 and a second thimble mechanism 52, where the first thimble mechanism 51 and the second thimble mechanism 52 are disposed on the frame 10 and may be disposed on opposite sides of the carrier 20, respectively, and specifically, the first thimble mechanism 51 and the second thimble mechanism 52 may be disposed along an axial direction of the wheel structure 21. The first ejector pin mechanism 51 and the second ejector pin mechanism 52 can realize the fixing of the workpiece 200 or the loosening of the workpiece 200 through relative movement. In some embodiments, second ejector mechanism 52 may be secured to base plate 11 and may partially penetrate through slot 22 of carrier 20 from mounting plate 14. The first ejector mechanism 51 can move closer to or further away from the carrier 20 along the axial direction of the carrier 20. The first ejector mechanism 51 and the second ejector mechanism 52 may be coaxially disposed and may cooperate with each other to support the workpiece 200.

In some embodiments, first ejector mechanism 51 may include a first housing 512 and a first ejector 511. The first seat 512 may be used for mounting a first thimble 511. The first base 512 may be substantially cylindrical. The first thimble 511 may be disposed at one end of the first base 512 and may be disposed towards the bottom plate 12.

In some embodiments, second ejector mechanism 52 may include a second housing 522 and a second ejector 521. The second seat 522 may be used for mounting a second thimble 521. The second seat 522 may be substantially cylindrical. The second thimble 521 may be disposed at one end of the second seat 522 and may be disposed toward the top plate 13, and may penetrate through the through groove 22, and be disposed coaxially with the first thimble 511, so as to be mutually matched with the first thimble 511.

In some embodiments, the detection device further includes a guide mechanism 60, a mounting bracket 70, and a driver 80. The guiding mechanism 60 is mounted on the frame 10 for guiding the movement of the first ejector mechanism 51. In some embodiments, the guide mechanism 60 may include a guide rail 61 and a slider 62; the guide rail 61 is provided on the frame 10, specifically, the guide rail 61 is mounted on the side plate 11, which extends in the length direction of the side plate 11. The sliding block 62 is slidably sleeved on the guide rail 61 and is connected with the first thimble mechanism 51 through the mounting frame 70. Specifically, the mounting frame 70 is disposed on one side of the slider 62, and the first base 512 of the first ejector mechanism 51 may be mounted on the mounting frame 70. The mounting frame 70 may be generally L-shaped, and the mounting frame 70 is provided with a through hole 71, specifically, the through hole 71 may be located in the axial direction of the first thimble 511, and may be used for the first thimble 511 of the first thimble mechanism 51 to penetrate. The driving member 80 is mounted on the frame 10, in particular on the top plate 13, and is connected to the mounting frame 70 and thus to the slider 62. The driving member 80 can slide through the driving slider 62 to drive the first ejector mechanism 51 and the second ejector mechanism 52 to move relatively. In some embodiments, the driver 80 may be a cylinder. It will be appreciated that in other embodiments, the driver 80 may not be limited to a cylinder. In some embodiments, the detecting device may further include a pressure regulating valve 100 and a buffer 110 disposed on the frame 10, where the pressure regulating valve 100 may be used to regulate the pressure of the cylinder, and the buffer 110 may play a role in buffering the pressure of the cylinder.

In some embodiments, the detecting elements 90 may include two detecting elements 91 and a second detecting element 92, where the first detecting element 91 and the second detecting element 92 may be disposed on the mounting frame 70 side by side and spaced apart and located on opposite sides of the through hole 71 and located on the axial direction of the carrier 20. The first ejector pins 511 of the first ejector mechanism 51 may protrude from the space between the first detecting element 91 and the second detecting element 92. Wherein the first detecting element 91 may be used to detect a code wheel runout condition. The second detection element 92 may be used to detect a housing runout condition. In some embodiments, the first detection element 91 and the second detection element 92 may each be a conventional sensor, and in particular, the first detection element 91 and/or the second detection element 92 may be a laser displacement sensor.

In some embodiments, the detection device further includes a drag chain 120, where the drag chain 120 is disposed on one side of the rack 10, and may be used for routing wires to protect cables.

In some embodiments, the detection device further includes a photoelectric switch 130, where the photoelectric switch 130 is disposed on the mounting plate 14 and is disposed towards the carrier 20, and can be electrically connected or communicatively connected to the driving mechanism 30, so that the position or angle of rotation of the carrier 20 can be known and fed back to the driving mechanism 30 to turn on or off the driving mechanism 30 or trigger the driving mechanism 30 to turn in a rotation direction, for example, when the carrier 20 rotates to a set position, the photoelectric switch 130 is triggered to turn on, so as to drive the driving mechanism 30 to turn in a rotation direction so as to return the carrier 20 to an original position.

The specific detection process of the detection device is as follows, the workpiece 200 can be grabbed and placed on the carrier 20 by the mechanical clamping jaw, and the driving piece 80 drives the sliding block 62 to slide so as to drive the first thimble mechanism 51 to descend onto the workpiece 200 of the carrier 20 to be matched with the second thimble mechanism 52 for fixing the workpiece 200. The driving mechanism 30 starts to drive the bearing piece 20 to rotate through the transmission mechanism 40 so that the workpiece 200 rotates, the first detection element 91 and the second detection element 92 can detect the workpiece 200 when the workpiece 200 rotates, the workpiece 200 rotates for one circle, and the first detection element 91 and the second detection element 92 can feed detected structures back to the PLC for judgment, so that good products and defective products are fed separately.

The detection device is a jump detection device of a precision measurement shaft assembly body, can be matched with an automatic assembly line, can realize automatic detection, reduces manual participation, and can reduce the risk of dropping and scratching a workpiece by a worker. Meanwhile, compared with manual measurement, the method has the advantages that the measured data are more accurate and the efficiency is higher.

It is to be understood that the above examples only represent preferred embodiments of the present utility model, which are described in more detail and are not to be construed as limiting the scope of the utility model; it should be noted that, for a person skilled in the art, the above technical features can be freely combined, and several variations and modifications can be made without departing from the scope of the utility model; therefore, all changes and modifications that come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims

1. A detection apparatus, characterized by comprising:

a rotatably arranged carrier (20) for carrying the workpiece (200);

a driving mechanism (30) for driving the carrier (20) to rotate;

A transmission mechanism (40) connected to the drive mechanism (30) and the carrier (20);

The thimble assembly (50) comprises a first thimble mechanism (51) and a second thimble mechanism (52); the first thimble mechanism (51) and the second thimble mechanism (52) are positioned at two opposite sides of the carrier (20) and configured to fix the workpiece (200) on the carrier (20) by relative movement;

At least one detection element (90) arranged towards the carrier (20).

2. The detection device according to claim 1, characterized in that the carrier (20) comprises a wheel-like structure (21), and a through groove (22) for the workpiece (200) to be partially put in is formed in the central shaft of the wheel-like structure (21).

3. The device according to claim 2, characterized in that the first ejector mechanism (51) and the second ejector mechanism (52) are arranged along the axial direction of the wheel-like structure (21).

4. The detection device according to claim 1, characterized in that the transmission mechanism (40) comprises a transmission wheel (41) and a transmission belt (42); the driving wheel (41) is connected with the driving mechanism (30), and the driving belt (42) is sleeved on the driving wheel (41) and the bearing piece (20).

5. The detection device according to claim 4, wherein the driving mechanism (30) comprises a motor, and the driving wheel (41) is sleeved on an output shaft (31) of the motor.

6. The detection apparatus according to claim 1, characterized by further comprising:

a frame (10); the bearing piece (20), the first thimble mechanism (51) and the second thimble mechanism (52) are arranged on the frame (10);

And a driving part (80) for driving the first thimble mechanism (51) and the second thimble mechanism (52) to move relatively, wherein the driving part (80) is arranged on the frame (10).

7. The detection device according to claim 6, further comprising a guiding mechanism (60) for guiding the movement of the first ejector mechanism (51);

the guide mechanism (60) comprises a guide rail (61) arranged on the frame (10) and a sliding block (62) sleeved on the guide rail (61) in a sliding way; the sliding block (62) is connected with the driving piece (80) and the first thimble mechanism (51).

8. The detection device according to claim 6, wherein the driving member (80) comprises a cylinder;

The detection device further comprises a pressure regulating valve (100) which is arranged on the frame (10) and used for regulating the pressure of the air cylinder.

9. The detection device according to claim 7, further comprising a mounting frame (70), the mounting frame (70) being connected to the slider (62) and the driving member (80); the detection element (90) is arranged on the mounting frame (70);

The mounting frame (70) is provided with a through hole (71) for the first thimble mechanism (51) to penetrate.

10. The detection device according to claim 1, characterized in that the detection element (90) comprises a laser displacement sensor.