Rolling friction line scanning visual inspection mechanism

Abstract

The utility model discloses a rolling friction line scanning visual inspection mechanism which comprises a product transmission chain, a jacking driving device, a rotation driving mechanism, a rolling shaft state monitoring mechanism, a camera support, a camera and an auxiliary light source. Through the mode, the rolling friction line scanning visual inspection mechanism can efficiently and completely obtain appearance image detection information of a product, greatly improves the accuracy and stability of detection, does not need to arrange detection equipment outside a production line, can be directly modified on the original production line, does not affect the takt of the production line, and improves the production efficiency. And the working efficiency and the productivity are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of detection mechanisms, in particular to a rolling friction line scanning visual detection mechanism. Background Art

[0002] During the production and processing of products, product testing is one of the necessary processes. At present, when conducting product testing, it is usually adopted to remove multiple products from the production line and place them in additional testing equipment for testing. However, the current testing method still has the following problems:

[0003] 1. During the inspection, the production line may need to be stopped to sample and return the product, which will reduce work efficiency and production capacity;

[0004] 2. When inspecting products, especially the diameter and position of holes on cylindrical products, due to the particularity of the cylindrical product structure, existing industrial cameras cannot accurately obtain the image of the entire outer surface of the product, which greatly affects the accuracy and stability of the inspection. Utility Model Content

[0005] The main technical problem solved by the utility model is to provide a rolling friction line scanning visual detection mechanism, which has the advantages of high reliability, accurate detection, easy use, etc., and has broad market prospects in the application and popularization of detection mechanisms.

[0006] In order to solve the above technical problems, a technical solution adopted by the utility model is:

[0007] Provided is a rolling friction line scanning visual inspection mechanism, which comprises: a product transmission chain, a lifting drive device, a rotation drive mechanism, a roller state monitoring mechanism, a camera bracket, a camera, and an auxiliary light source, wherein the rotation drive mechanism and the roller state monitoring mechanism are each connected with a lifting drive device, so as to drive the rotation drive mechanism and the roller state monitoring mechanism to approach or move away from the roller on the product transmission chain at the detection position through the lifting drive device, the camera and the auxiliary light source are arranged above the product transmission chain, and the camera can be lifted and lowered on the camera bracket;

[0008] The rotation drive mechanism includes a first connecting bracket, a friction driving wheel, and a rotating motor. The lifting drive device drives the friction driving wheel to rise and fall through the first connecting bracket, so that the friction driving wheel is close to the roller. The rotating motor drives the friction driving wheel to rotate, so as to drive the roller at the detection position to rotate, so that the product on the roller rotates 360°, so that the camera can obtain the detection image of the product circumference.

[0009] The roller state monitoring mechanism includes a second connecting bracket, a friction passive wheel, and an encoder. The lifting drive device drives the friction passive wheel to rise and fall through the second connecting bracket to closely fit the bottom of the detection position roller, so that the friction passive wheel passively rotates under the action of the roller, and the friction passive wheel is connected to the input end of the encoder to obtain the movement state of the roller in real time.

[0010] In a preferred embodiment of the utility model, the lifting drive device includes a fixed plate, a lifting drive cylinder, a lifting guide rail, and a buffer spring. The lifting guide rail is arranged on the fixed plate, and the lifting guide rail is connected to the first connecting bracket / the second connecting bracket through a slider, and the lifting drive cylinder is connected to the first connecting bracket / the second connecting bracket through a buffer spring.

[0011] In a preferred embodiment of the utility model, a connecting plate is connected to the output end of the lifting drive cylinder, and a buffer spring is arranged between the connecting bracket and the connecting plate.

[0012] In a preferred embodiment of the present invention, a lifting cylinder is provided on the camera bracket, and an output end of the lifting cylinder is connected to the camera to drive the camera to move up and down.

[0013] In a preferred embodiment of the present invention, the auxiliary light source is disposed on the light source bracket.

[0014] In a preferred embodiment of the present invention, alignment plates are provided on both sides of the product transport chain to limit the position of the product.

[0015] The beneficial effects of the utility model are: it can efficiently and completely obtain the appearance image detection information of the product, greatly improving the accuracy and stability of the detection, and there is no need to set up detection equipment outside the production line, and it can be directly modified on the original production line, which does not affect the production line rhythm and improves work efficiency and production capacity. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative work, among which:

[0017] Figure 1 It is a top view structural schematic diagram of a preferred embodiment of a rolling friction line scanning visual detection mechanism of the utility model;

[0018] Figure 2It is a partial structural schematic diagram of a preferred embodiment of a rolling friction line scanning visual detection mechanism of the utility model;

[0019] Figure 3 It is a structural schematic diagram of a rotation drive mechanism and a roller state monitoring mechanism of a preferred embodiment of a rolling friction line scanning visual detection mechanism of the utility model. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention are described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] See also Figure 1-3 , the utility model embodiment includes:

[0022] A rolling friction line scanning visual detection mechanism, the structure of which includes: a product transmission chain 1, a lifting drive device 2, a rotation drive mechanism 3, a roller state monitoring mechanism, a camera bracket 5, a camera 6, and an auxiliary light source 7.

[0023] The rotating drive mechanism and the roller status monitoring mechanism are each connected to a lifting drive device, so as to drive the rotating drive mechanism and the roller status monitoring mechanism to approach or move away from the roller 11 on the product transmission chain located at the detection position through the lifting drive device. The rotating drive mechanism is movably arranged below the top of the product transmission chain to drive the roller on the product transmission chain to rotate, thereby driving the product 8 on the roller to rotate through the roller, so that the camera can obtain the detection image of the product circumference. The camera and the auxiliary light source are arranged above the product transmission chain, and the camera can be raised and lowered on the camera bracket to adjust the position of the camera according to the size of the product to adjust the focal length, so as to accurately obtain the image detection information of the product.

[0024] The rotation drive mechanism includes a first connecting bracket 31, a friction driving wheel 32, and a rotating motor 33. The lifting drive device is arranged on the first connecting bracket, and drives the friction driving wheel to rise and fall, so that the friction driving wheel is close to the roller on the product transmission chain located at the detection position. The rotating motor drives the friction driving wheel to rotate, so as to drive the roller at the detection position to rotate, so that the product on the roller can rotate 360°.

[0025] The roller state monitoring mechanism includes a second connecting bracket 41, a friction passive wheel 42, and an encoder 43. The friction passive wheel is tightly attached to the bottom of the detection roller under the action of the jacking drive device, so that the friction passive wheel can passively rotate under the action of the roller, and the friction passive wheel is connected to the input end of the encoder arranged on the second connecting bracket to obtain the movement state of the roller in real time to prevent detection failure or inaccuracy due to the roller not rotating or insufficient number of rotations.

[0026] The lifting drive device includes a fixed plate 21, a lifting drive cylinder 22, a lifting guide rail 23, and a buffer spring 24. The lifting guide rail is arranged on the fixed plate, and the lifting guide rail is connected to the first connecting bracket / the second connecting bracket through a slider. The output end of the lifting drive cylinder is connected to the first connecting bracket / the second connecting bracket through a buffer spring to drive the rotation drive mechanism and the roller state monitoring mechanism to move up and down, and prevent damage caused by hard contact between the friction driving wheel and the friction driven wheel and the roller.

[0027] Further preferably, a lifting cylinder is provided on the camera bracket, and an output end of the lifting cylinder is connected to the camera to drive the camera to move up and down.

[0028] Further preferably, the auxiliary light source is disposed on the light source bracket 71 .

[0029] Further preferably, alignment plates 9 are provided on both sides of the product conveying chain to limit the position of the products.

[0030] The beneficial effects of the rolling friction line scanning visual inspection mechanism of the utility model are: it can efficiently and completely obtain the appearance image inspection information of the product, greatly improving the accuracy and stability of the inspection, and there is no need to set up inspection equipment outside the production line, and it can be directly modified on the original production line, which does not affect the production line rhythm and improves work efficiency and production capacity.

[0031] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A rolling friction line scanning visual detection mechanism, characterized in that: include: A product transmission chain, a lifting drive device, a rotation drive mechanism, a roller state monitoring mechanism, a camera bracket, a camera, and an auxiliary light source. The rotation drive mechanism and the roller state monitoring mechanism are each connected with a lifting drive device, so that the rotation drive mechanism and the roller state monitoring mechanism are driven by the lifting drive device to approach or move away from the roller on the product transmission chain located at the detection position. The camera and the auxiliary light source are arranged above the product transmission chain, and the camera can be lifted and lowered on the camera bracket; The rotation drive mechanism includes a first connecting bracket, a friction driving wheel, and a rotating motor. The lifting drive device drives the friction driving wheel to rise and fall through the first connecting bracket, so that the friction driving wheel is close to the roller. The rotating motor drives the friction driving wheel to rotate, so as to drive the roller at the detection position to rotate, so that the product on the roller rotates 360°, so that the camera can obtain the detection image of the product circumference. The roller state monitoring mechanism includes a second connecting bracket, a friction passive wheel, and an encoder. The lifting drive device drives the friction passive wheel to rise and fall through the second connecting bracket to closely fit the bottom of the detection position roller, so that the friction passive wheel passively rotates under the action of the roller, and the friction passive wheel is connected to the input end of the encoder to obtain the movement state of the roller in real time.

2. A rolling friction line scanning visual detection mechanism according to claim 1, characterized in that: The lifting drive device includes a fixed plate, a lifting drive cylinder, a lifting guide rail, and a buffer spring. The lifting guide rail is arranged on the fixed plate, the lifting guide rail is connected to the first connecting bracket / the second connecting bracket through a slider, and the lifting drive cylinder is connected to the first connecting bracket / the second connecting bracket through a buffer spring.

3. A rolling friction line scanning visual detection mechanism according to claim 2, characterized in that: A connecting plate is connected to the output end of the lifting drive cylinder, and a buffer spring is arranged between the connecting bracket and the connecting plate.

4. A rolling friction line scanning visual detection mechanism according to claim 1, characterized in that: The camera bracket is provided with a lifting cylinder, and the output end of the lifting cylinder is connected to the camera to drive the camera to move up and down.

5. The rolling friction line scanning visual detection mechanism according to claim 1, characterized in that: The auxiliary light source is arranged on the light source bracket.

6. The rolling friction line scanning visual detection mechanism according to claim 1, characterized in that: Alignment and positioning plates are provided on both sides of the product conveying chain to limit the position of the product.

Images