CN111122440B - Detection device - Google Patents
Detection device Download PDFInfo
- Publication number
- CN111122440B CN111122440B CN202010044789.6A CN202010044789A CN111122440B CN 111122440 B CN111122440 B CN 111122440B CN 202010044789 A CN202010044789 A CN 202010044789A CN 111122440 B CN111122440 B CN 111122440B
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- China
- Prior art keywords
- pressing
- conveying
- frame
- chain
- tripping
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
- G01N21/892—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles characterised by the flaw, defect or object feature examined
Abstract
The invention discloses a detection device which comprises a rack, a camera assembly and a conveying mechanism for conveying saw chains, wherein the rack is provided with an installation plate, the camera assembly is arranged on the installation plate, the conveying mechanism comprises a conveying frame, a conveying motor and a chain conveying wheel set, a saw chain track is arranged on the conveying frame, the conveying motor is fixed on the installation plate, and the chain conveying wheel set is arranged on the installation plate and is connected with the conveying motor. Before detection, an operator firstly penetrates through the saw chain from the chain conveying wheel set, then the equipment is started, the conveying motor drives the saw chain to move, and in the process of moving the saw chain, the camera assembly observes the form of the saw chain to pick out the defective parts. Through the steps, the quality of the saw chain is automatically detected, the detection efficiency is high, and the condition of missing detection can be avoided.
Description
Technical Field
The invention relates to a detection device, in particular to a detection device for saw chain appearance.
Background
The chain saw, also called as chain saw, is a hand saw powered by gasoline engine, mainly used for lumbering and building timber, and its working principle is that the shearing action is carried out by the transverse movement of the staggered L-shaped blades on the saw chain.
Before the saw chain is mounted on the equipment, the equipment needs to be subjected to shape detection to avoid quality problems. The general appearance detection is carried out manually, the detection efficiency is low, and the detection is easy to miss.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a detection device which can automatically detect the appearance of a saw chain, improve the efficiency and avoid the detection omission.
In order to realize the purpose, the invention provides the following technical scheme: the utility model provides a detection device, includes frame, camera subassembly and is used for carrying the conveying mechanism of saw chain, is provided with the mounting panel in the frame, and the camera subassembly sets up on the mounting panel, and conveying mechanism includes carriage, conveying motor and send the chain wheel group, is provided with the saw chain track on the carriage, and conveying motor fixes on the mounting panel, send the chain wheel group setting on the mounting panel and be connected with conveying motor.
As a further improvement of the invention, the tail end of the conveying frame is provided with a tripping mechanism, the tripping mechanism comprises a tripping frame, a tripping cylinder and a tripping thimble, the tripping frame is provided with a chain channel, one side of the chain channel is provided with two tripping blocks, the tripping cylinder is fixed on the tripping frame and positioned at the other side of the chain channel, and the tripping thimble is fixed on the output end of the tripping cylinder.
As a further improvement of the invention, a material receiving box is arranged on one side of the tripping block, which is back to the chain channel.
As a further improvement of the invention, the end part of the conveying frame is provided with a detection mechanism, the detection mechanism comprises a fixed plate, a roller, an inductor and two angle pressing wheels, the roller and the angle pressing wheels are arranged on the fixed plate, a guide block is fixed on the fixed plate and arranged between the roller and the angle pressing wheels, a guide groove is formed in the guide block, and the inductor is fixed on the fixed plate.
As a further improvement of the invention, the conveying frame is provided with a chain pressing device, the pressing device comprises a pressing block, a pressing screw rod, a pressing slider, a pressing shaft and a pressing wheel, the pressing block is provided with a pressing chute, the pressing slider is arranged in the pressing chute, one end of the pressing screw rod is fixedly connected with the pressing slider, the pressing shaft is arranged on the pressing slider, the pressing wheel is arranged on the pressing shaft, the side wall of the pressing chute is provided with a screw hole, and the other end of the pressing screw rod penetrates out of the screw hole and is connected with the screw hole.
As a further improvement of the invention, the front side of the camera component is provided with a straightening component, the straightening component comprises a bracket, a handle, a cam, a pressing sheet and a pressing frame, the bracket is fixed on a conveying frame, the cam is rotationally arranged on the bracket, the handle is fixedly connected with the cam, the bracket is provided with a chute, the pressing frame is arranged in the chute and connected with the cam, and the pressing sheet is fixed on the pressing frame and arranged in a saw chain track.
As a further improvement of the invention, the camera assembly comprises a mounting frame, a first camera, a second camera and a light source, wherein the mounting frame is fixed on one side of the mounting plate, on which the conveying frame is arranged, the first camera and the light source are arranged on the mounting frame, the second camera is fixed on the other side of the mounting plate, and the mounting plate is provided with an observation hole.
The saw chain detection device has the advantages that before detection, an operator firstly penetrates through the saw chain from the chain conveying wheel set, then the device is started, the conveying motor drives the saw chain to move, and in the process of moving the saw chain, the camera assembly observes the form of the saw chain to pick out defective parts. Through the steps, the quality of the saw chain is automatically detected, the detection efficiency is high, and the condition of missing detection can be avoided.
Drawings
FIG. 1 is an overall block diagram of the present invention;
FIG. 2 is a block diagram of the devices on the mounting plate;
FIG. 3 is a block diagram of the trip mechanism;
FIG. 4 is a structural view of a detection mechanism;
FIG. 5 is an enlarged view of a portion of FIG. 2 at the reference point;
fig. 6 is a structural view of a camera module.
Detailed Description
The invention will be described in more detail with reference to the following examples, which are given by way of illustration.
Referring to fig. 1 to 6, the detection device of the present embodiment includes a frame 1, a camera assembly 2, and a conveying mechanism 3 for conveying a saw chain, wherein a mounting plate 4 is disposed on the frame 1, the camera assembly 2 is disposed on the mounting plate 4, the conveying mechanism 3 includes a conveying frame 31, a conveying motor 32, and a chain conveying wheel set 33, a saw chain track is disposed on the conveying frame 31, the conveying motor 32 is fixed on the mounting plate 4, and the chain conveying wheel set 33 is disposed on the mounting plate 4 and connected to the conveying motor 32.
Before detection, the operator firstly passes the saw chain through the chain conveying wheel set 33, then the equipment is started, the conveying motor 32 drives the saw chain to move, and the camera assembly 2 observes the form of the saw chain during the movement of the saw chain so as to pick out the defective part. Through the steps, the quality of the saw chain is automatically detected, the detection efficiency is high, and the condition of missing detection can be avoided.
As a specific embodiment of the improvement, the tail end of the conveying frame 31 is provided with a tripping mechanism 5, the tripping mechanism 5 includes a tripping frame 51, a tripping cylinder 52 and a tripping thimble 53, a chain channel 54 is provided on the tripping frame 51, two tripping blocks 55 are provided on one side of the chain channel 54, the tripping cylinder 52 is fixed on the tripping frame 51 and located on the other side of the chain channel 54, and the tripping thimble 53 is fixed on the output end of the tripping cylinder 52.
After the saw chain detection is completed, the saw chain is moved to the tail end of the conveying frame 31, at this time, the tripping air cylinder 52 pushes the tripping ejector pin 53, the ejector pin is matched with the tripping block 55, a section of the saw chain is removed, and the saw chain is divided into sections with required lengths. Through the arrangement, the saw chain which is detected automatically is segmented, the segmented process is integrated into the detection, and the production efficiency is high.
As a modified specific embodiment, the side of the trip block 55 facing away from the chain channel 54 is provided with the material receiving box 6.
The material receiving box 6 collects a part of the saw chain released by the releasing thimble 53, and the part of the saw chain released is prevented from being lost everywhere.
As an improved specific embodiment, a detection mechanism 7 is disposed at an end of the conveying frame 31, the detection mechanism 7 includes a fixing plate 71, a roller 72, a sensor 73 and two angle pressing wheels 74, the roller 72 and the angle pressing wheels 74 are disposed on the fixing plate 71, a guide block 75 is fixed on the fixing plate 71, the guide block 75 is disposed between the roller 72 and the angle pressing wheels 74, a guide groove 76 is disposed on the guide block 75, and the sensor 73 is fixed on the fixing plate 71.
When the saw chain is conveyed, the inductor 73 serves as a starting point of a section of saw chain to sense whether the side surface of the saw chain is defective, specifically, the saw chain penetrates through the roller 72 and the angle pressing wheel 74 and is clamped between the roller 72 and the inductor 73, the angle pressing wheel 74 assists in adjusting the angle of the saw chain, so that the saw chain can be sensed better by the inductor 73, when the side surface of the saw chain is defective, a signal on the inductor 73 is changed, and therefore an unqualified product is detected.
As a specific embodiment of the improvement, a chain pressing device is arranged on the conveying frame 31, the pressing device includes a pressing block 81, a pressing screw 82, a pressing slider 83, a pressing shaft 84 and a pressing wheel 85, a pressing chute 86 is formed in the pressing block 81, the pressing slider 83 is arranged in the pressing chute 86, one end of the pressing screw 82 is fixedly connected with the pressing slider 83, the pressing shaft 84 is arranged on the pressing slider 83, the pressing wheel 85 is arranged on the pressing shaft 84, a screw hole is formed in a side wall of the pressing chute 86, and the other end of the pressing screw 82 penetrates out of the screw hole and is connected with the screw hole.
During the conveying process, the saw chain may be displaced, and before the chain enters the camera assembly 2, the saw chain is laterally adjusted to the detection position by the pressing wheel 85, so that the detection error caused by the displacement of the saw chain is avoided. When different saw chains are detected, the position of the pinch roller 85 can be adjusted by rotating the pinch screw 82, so that the position of the pinch roller 85 is suitable for the detected saw chain.
As a modified specific embodiment, the front side of the camera assembly 2 is provided with a straightening assembly, the straightening assembly includes a bracket 91, a handle 92, a cam 93, a pressing sheet 94 and a pressing frame 95, the bracket 91 is fixed on the conveying frame 31, the cam 93 is rotatably arranged on the bracket 91, the handle 92 is fixedly connected with the cam 93, the bracket 91 is provided with a straightening chute 96, the pressing frame 95 is arranged in the straightening chute 96 and connected with the cam 93, and the pressing sheet 94 is fixed on the pressing frame 95 and arranged in the saw chain track.
The saw chain may be deformed during the conveying process, and before the chain enters the camera module 2, the saw chain is straightened by the pressing sheet 94 to be adjusted to a straight state, so as to avoid detection errors caused by the deformation of the saw chain.
As a specific embodiment of the improvement, the camera assembly 2 includes a mounting frame 21, a first camera 22, a second camera 23 and a light source 24, the mounting frame 21 is fixed on one side of the mounting plate 4 where the conveying frame 31 is arranged, the first camera 22 and the light source 24 are arranged on the mounting frame 21, the second camera 23 is fixed on the other side of the mounting plate 4, and a viewing hole is opened on the mounting plate 4.
The arrangement of the first camera 22 and the second camera 23 can detect the saw chain from two sides, the detection efficiency of the saw chain is improved, and the arrangement of the light source 24 can provide light for the first camera 22 and the second camera 23, so that the influence of ambient light on detection is reduced.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to those skilled in the art without departing from the principles of the present invention should also be considered as within the scope of the present invention.
Claims (5)
1. A detection device, characterized by: the automatic saw chain conveying device comprises a rack (1), a camera assembly (2) and a conveying mechanism (3) used for conveying saw chains, wherein a mounting plate (4) is arranged on the rack (1), the camera assembly (2) is arranged on the mounting plate (4), the conveying mechanism (3) comprises a conveying frame (31), a conveying motor (32) and a chain conveying wheel set (33), a saw chain track is arranged on the conveying frame (31), the conveying motor (32) is fixed on the mounting plate (4), and the chain conveying wheel set (33) is arranged on the mounting plate (4) and connected with the conveying motor (32);
the end part of the conveying frame (31) is provided with a detection mechanism (7), the detection mechanism (7) comprises a fixing plate (71), a roller (72), a sensor (73) and two angle pressing wheels (74), the roller (72) and the angle pressing wheels (74) are arranged on the fixing plate (71), a guide block (75) is fixed on the fixing plate (71), the guide block (75) is arranged between the roller (72) and the angle pressing wheels (74), a guide groove (76) is formed in the guide block (75), and the sensor (73) is fixed on the fixing plate (71);
the chain pressing device is arranged on the conveying frame (31) and comprises a pressing block (81), a pressing screw (82), a pressing sliding block (83), a pressing shaft (84) and a pressing wheel (85), a pressing sliding groove (86) is formed in the pressing block (81), the pressing sliding block (83) is arranged in the pressing sliding groove (86), one end of the pressing screw (82) is fixedly connected with the pressing sliding block (83), the pressing shaft (84) is arranged on the pressing sliding block (83), the pressing wheel (85) is arranged on the pressing shaft (84), a screw hole is formed in the side wall of the pressing sliding groove (86), and the other end of the pressing screw (82) penetrates out of the screw hole and is connected with the screw hole.
2. A testing device according to claim 1, wherein: the end of carriage (31) is provided with tripping device (5), tripping device (5) is including tripping frame (51), tripping cylinder (52) and tripping thimble (53), be provided with chain passageway (54) on tripping frame (51), one side of chain passageway (54) is provided with two tripping blocks (55), tripping cylinder (52) are fixed on tripping frame (51) and are located the opposite side of chain passageway (54), tripping thimble (53) are fixed on the output of tripping cylinder (52).
3. A testing device according to claim 2, wherein: and a material receiving box (6) is arranged on one side of the tripping block (55) back to the chain channel (54).
4. A testing device according to claim 1, wherein: the front side of the camera component (2) is provided with a straightening component, the straightening component comprises a support (91), a handle (92), a cam (93), a pressing sheet (94) and a pressing frame (95), the support (91) is fixed on the conveying frame (31), the cam (93) is rotatably arranged on the support (91), the handle (92) is fixedly connected with the cam (93), a straightening sliding groove (96) is formed in the support (91), the pressing frame (95) is arranged in the straightening sliding groove (96) and connected with the cam (93), and the pressing sheet (94) is fixed on the pressing frame (95) and arranged in a saw chain track.
5. A testing device according to claim 1, wherein: the camera assembly (2) comprises an installation frame (21), a first camera (22), a second camera (23) and a light source (24), the installation frame (21) is fixed on one side of the installation plate (4) where the conveying frame (31) is arranged, the first camera (22) and the light source (24) are arranged on the installation frame (21), the second camera (23) is fixed on the other side of the installation plate (4), and an observation hole is formed in the installation plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010044789.6A CN111122440B (en) | 2020-01-15 | 2020-01-15 | Detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010044789.6A CN111122440B (en) | 2020-01-15 | 2020-01-15 | Detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111122440A CN111122440A (en) | 2020-05-08 |
| CN111122440B true CN111122440B (en) | 2022-11-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010044789.6A Active CN111122440B (en) | 2020-01-15 | 2020-01-15 | Detection device |
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| Country | Link |
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| CN (1) | CN111122440B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116500228B (en) * | 2023-03-24 | 2023-12-15 | 硕与硕(江苏)智能科技有限公司 | Anti-drop system for online automatic defect detection of saw chain |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4990075A (en) * | 1988-04-11 | 1991-02-05 | Miles Inc. | Reaction vessel for performing sequential analytical assays |
| CN204882394U (en) * | 2015-09-11 | 2015-12-16 | 金华辉煌三联工具实业有限公司 | Saw chain automated inspection machine |
| CN205091273U (en) * | 2015-09-16 | 2016-03-16 | 浙江爱易特智能技术有限公司 | Chain saw chain automatic checkout device |
| CN105044123B (en) * | 2015-09-16 | 2018-06-29 | 浙江爱易特智能技术有限公司 | A kind of chain saw chain automatic detection device |
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2020
- 2020-01-15 CN CN202010044789.6A patent/CN111122440B/en active Active
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| CN111122440A (en) | 2020-05-08 |
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