CN217786116U

CN217786116U - Chain image detector

Info

Publication number: CN217786116U
Application number: CN202221837418.4U
Authority: CN
Inventors: 施建峰; 施建立
Original assignee: Hangzhou Luobote Automation Equipment Co ltd
Current assignee: Hangzhou Luobote Automation Equipment Co ltd
Priority date: 2022-07-14
Filing date: 2022-07-14
Publication date: 2022-11-11
Anticipated expiration: 2032-07-14

Abstract

The utility model discloses a chain image detects machine, including the frame and arrange chain drive in the frame, tight festival detection device, image detection device, controller, chain drive drives the chain and removes, and image detection device includes camera, reflector panel and trigger unit, and tight festival detection device includes forward detection mechanism and reverse detection mechanism, and the controller controls above-mentioned each device respectively, and the controller includes the display screen, the utility model discloses an image detection device carries out the image to every festival link appearance in the chain and compares the detection to show in real time on the controller display screen, carry out the positive and negative bending detection through tight festival detection device to every chain link in the chain, reach and carry out multi-functional detection in real time on line, the fungible manual detection, detection efficiency is high and the accuracy is good.

Description

Chain image detector

Technical Field

The utility model relates to the chain detects technical field, especially involves a chain image that detection efficiency is high, the accuracy is good and detects machine.

Background

The chain is used as a transmission part of mechanical power and is widely applied to various industries, the chain is formed by assembling chain links consisting of a plurality of groups of inner and outer chain plates, pin shafts, sleeves and rollers, the appearance and the assembly detection of the chain links are generally carried out manually, the surface of the chain links is visually observed or bent by touch to judge whether the surface of the chain links is qualified or not and whether the chain links are tightly jointed or not depending on the actual experience of a detector, the chain links are large in quantity and identical in appearance, the missing detection and the misjudgment are very easy to cause, the detection quality is difficult to guarantee, the detection efficiency is low, the labor cost is high, and the modern mass production needs cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model mainly solves the technical problems existing in the prior art; the chain image detection machine is high in detection efficiency and good in accuracy.

In order to solve the technical problem, the utility model mainly adopts the following technical proposal:

the utility model discloses a chain image detects machine for the on-line measuring of chain, detect the machine and include the frame and arrange chain drive, tight festival detection device, image detection device, the controller in the frame in, chain drive drives the chain and removes, image detection device includes the camera, tight festival detection device includes forward detection mechanism and reverse detection mechanism, chain drive, forward detection mechanism, reverse detection mechanism and image detection device are controlled respectively to the controller, and the controller includes the display screen.

This detect machine carries out the image through image detection device to every section link appearance in the chain and compares and detect to show in real time and arrange in order on the display screen of controller, and tight festival detection device carries out forward and reverse bending to every link in the chain and detects, reaches and can carry out multi-functional detection simultaneously, and the fungible is artifical to be detected, and detection efficiency is high and the accuracy is good.

Preferably, the chain driving device includes a motor, a driving sprocket and a plurality of guide wheels, the chain passes through the forward detection mechanism, the reverse detection mechanism and the image detection device in sequence by being pulled by the driving sprocket and guided by the guide wheels, the motor is electrically connected to the controller, the driving sprocket is fixedly arranged on an output shaft of the motor and drives the chain to move, and the guide wheels control and guide the movement of the chain.

The driving device can drive the chain to sequentially pass through corresponding detection stations, and different detection items of the chain are detected in real time.

Preferably, the image detection device comprises a camera, a reflector and a trigger unit, the camera and the reflector are respectively arranged on two sides of the chain, a lens of the camera is positioned on one side of the chain and on the side surface of the chain, the reflector is positioned on the other side of the chain and corresponds to the camera, and the camera, the reflector and the trigger unit are electrically connected with the controller.

The reflector and the camera of the device are respectively arranged on two sides of the chain, the camera images each link according to a trigger signal of the controller, and the reflector can improve the illuminance of an image space.

Preferably, the trigger unit comprises an indexing disc and a trigger, the indexing disc is positioned above the driving chain wheel and coaxial with the driving chain wheel, and the trigger corresponds to the tooth end of the indexing disc and is electrically connected with the controller.

The trigger unit can select index plates with different sizes and angles to generate trigger signals according to the type and the size of the chain, each link is imaged, and the trigger can select a travel switch or a proximity switch.

Preferably, the image detection device further comprises a protective cover, the protective cover is located above the camera and the reflector and covers the camera and the reflector, and symmetrical chain inlets and symmetrical chain outlets are formed in two sides of the protective cover.

This safety cover can cover and protect camera and reflector panel, both can prevent the collision of camera and reflector panel and other parts and wipe and decrease, also can improve the illuminance in image space, promotes the definition of image.

Preferably, the forward detection mechanism and the reverse detection mechanism are sequentially arranged on the moving route of the chain, wherein the forward detection mechanism comprises a base body and a central shaft, the base body is arranged on a workbench surface of the rack, an arc-shaped groove is arranged on a vertical surface on one side of the base body, the central shaft is arranged at the circle center of the arc-shaped groove, the chain which is wound on the central shaft and bent in the forward direction is matched with the arc-shaped groove and embedded in the arc-shaped groove, a metal sheet is arranged on an inner arc surface of the arc-shaped groove, the metal sheet is insulated from the base body and electrically connected with the controller, a certain gap is formed between the surface of the metal sheet and an outer protruding surface of the chain which is bent in the forward direction, the reverse detection mechanism comprises a base body and a central shaft, the base body is fixedly arranged on the workbench surface of the rack, the arc-shaped groove is arranged on a vertical surface on one side of the base body, the central shaft is arranged at the circle center of the arc-shaped groove, the chain which is wound on the central shaft and bent in the reverse direction is matched with the arc-shaped groove and embedded in the arc-shaped groove, a metal sheet is insulated from the inner arc-shaped groove, the base body, the metal sheet is electrically connected with the base body, and electrically connected with the controller, and a certain gap is formed between the surface of the chain and the outer protruding surface of the chain.

Above-mentioned detection mechanism forms the electrical detection return circuit between the arc wall of chain and, the chain is as the negative pole, and the sheetmetal in the arc wall is as anodal, and when tight festival or the dead knot takes place for the chain, the sheetmetal is touched in the unable bending of corresponding chain link, forms the electric circuit between chain link and the sheetmetal, produces corresponding signal of telecommunication and passes to the controller, and the controller stops the chain and removes and report to the police, reminds the operator to handle, waits to demolish tight festival or the dead knot trouble after the restart detection.

Preferably, the base body comprises a movable plate, a fixed plate and an adjusting bolt, the fixed plate is fixedly arranged on a workbench surface of the rack, horizontal screw holes are formed in two ends of the fixed plate, the arc-shaped groove is formed in the vertical surface of one side of the movable plate, through holes which are horizontal and correspond to the screw holes are formed in two ends of the movable plate, the adjusting bolt is inserted into the through holes and is in threaded connection with the screw holes, a spring is sleeved on the adjusting bolt between the movable plate and the fixed plate, and the free length of the spring is greater than the distance between the movable plate and the fixed plate.

The base body is of an adjustable structure, the movable plate of the base body is in a suspension state through the adjusting bolt and the spring, the distance between the metal sheet and the central shaft in the arc-shaped groove can be flexibly adjusted according to the type and the size of the chain, the distance between the surface of the chain link and the metal sheet is correspondingly adjusted, and the compressed spring can always push the movable plate to move forwards.

As preferred, the detection machine still includes cleaning device, cleaning device includes annular air knife, suction chamber, fan housing and dust removal bag, dust absorption intracavity and external outside high pressurized air source are arranged in to annular air knife, the chain is located annular air knife's central authorities and moves along annular air knife's axis, the fan housing covers the suction chamber, is equipped with the import and the export of chain on the terminal surface around the fan housing, the dust removal bag meets and collects the dust with the suction chamber.

The device blows air to the chain and cleans before the chain detects, gets rid of the dust and the impurity on chain surface, makes the image detection of chain more accurate and clear.

Preferably, the detection machine is further provided with a joint detaching and exposing device, and the joint detaching and exposing device can be used for detaching tight joints or dead joints in the chain.

The beneficial effects of the utility model are that: the image detection mechanism is used for comparing and detecting the shape of each section of the moving chain to judge the quality of the chain, the tight section detection device is used for carrying out forward and reverse bending detection on each section of the chain, real-time and online multifunctional detection is achieved, manual detection is completely replaced, and the detection efficiency is high and the accuracy is good.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the tight joint detection device in fig. 1.

Fig. 3 is a schematic view of the present invention.

In the figure, 1, a chain, 2, a frame, 3, a chain driving device, 31, a driving chain wheel, 32, a guide wheel, 4, an image detection device, 41, a camera, 42, a reflector, 43, an index plate, 44, a trigger, 5, a controller, 6, a forward detection mechanism, 61, a central shaft, 62, an arc-shaped groove, 63, a metal sheet, 64, a movable plate, 65, a fixed plate, 66, an adjusting bolt, 67, a spring, 7, a reverse detection mechanism, 8, a cleaning device, 81, an annular air knife, 82, a dust suction cavity and 9, a joint removal exposing head device are arranged.

Detailed Description

The technical solution of the present invention is further specifically described below by way of embodiments and with reference to the accompanying drawings.

The embodiment is as follows: the chain image detection machine of this embodiment, an on-line measuring for chain 1, as shown in fig. 1 and fig. 2, the detection machine includes frame 2 and the chain drive device 3 of arranging in the frame, tight festival detection device, image detection device 4, cleaning device 8, tear open festival outcrop device 9, controller 5, the above-mentioned each device of controller electricity connection respectively and control, the controller includes the display screen, wherein chain drive device includes the motor, driving sprocket 31 and a plurality of leading wheel 32, driving sprocket fixes on the motor output shaft and drags the chain and remove, the removal and the turning of leading wheel control and guide chain, the chain that awaits measuring passes through driving sprocket's traction and the guide of leading wheel, pass through cleaning device in proper order, tight festival detection device and image detection device.

Above-mentioned cleaning device is including locating dust absorption chamber 82 on the frame table surface, covering the fan housing in dust absorption chamber and arranging annular air knife 81 and the dust bag in the dust absorption intracavity in, and the design has the import and the export of chain on the terminal surface around the fan housing, and the chain that waits to detect is located annular air knife's central authorities and moves along annular air knife's axis, the external outside high pressurized air source of annular air knife, and the dust bag meets and collects the dust with the dust absorption chamber.

The tight section detection device comprises a forward detection mechanism 6 and a reverse detection mechanism 7 which have the same structure, the forward detection mechanism and the reverse detection mechanism are sequentially arranged on a moving route of a chain to be detected, wherein the forward detection mechanism corresponds to the surrounding of a forward bending chain, the reverse detection mechanism corresponds to the surrounding of a reverse bending chain, the forward detection mechanism comprises a base body and a central shaft 61, the base body comprises a movable plate 64, a fixed plate 65 and an adjusting bolt 66, the fixed plate is fixedly arranged on a working table top of a frame, both ends of the fixed plate are designed with horizontal screw holes, an arc-shaped groove 62 is designed on the vertical side surface of one side of the movable plate, both ends of the movable plate are designed with horizontal through holes corresponding to the screw holes, the adjusting bolt is inserted into the through hole and is in threaded connection with the screw hole, a spring 67 is sleeved on the adjusting bolt between the movable plate and the fixed plate, the free length of the spring is larger than the distance between the movable plate and the fixed plate, the central shaft is installed at the circle center of the arc-shaped groove, the forward bending chain surrounding the central shaft is matched with the arc-shaped groove and is arranged in the arc-shaped groove, a metal sheet 63 is designed on the inner arc surface of the arc-shaped groove, the metal sheet is insulated with the arc-shaped groove of the movable plate and is connected with a positive electrode plate output by the controller to form the positive electrode of a detection loop, a negative electrode plate output by the controller is connected with the central shaft to form the negative electrode of the detection loop, and a gap of about 0.5-1.0 mm is formed between the surface of the metal sheet and the outward protruding surface of the forward bending chain.

Above-mentioned image detection device includes camera 41, reflector panel 42 and trigger element, the both sides of chain are arranged in to camera and reflector panel branch, the camera lens is located one side of chain and just to the side of chain, the reflector panel is located the opposite side of chain and corresponds with the camera, trigger element includes graduated disk 43 and trigger 44, the graduated disk is located drive sprocket's top and with drive sprocket coaxial arrangement, the trigger is travel switch, travel switch's button and control travel switch are pushed to the tooth end of graduated disk, the camera, reflector panel and travel switch are connected with the controller electricity respectively, the top design of camera and reflector panel has the safety cover, the safety cover both sides are equipped with the chain import and the export of symmetry, the safety cover covers camera and reflector panel and protects camera and protection.

When the device is used, a chain to be detected moves under the action of a driving chain wheel and a guide wheel, the chain moves to a cleaning device firstly, dust and impurities adhered to the chain are blown off under the action of high-pressure air flow of an annular air knife in the cleaning device and are collected by a dust removing bag, the cleaned chain sequentially moves to a forward detection mechanism and a reverse detection mechanism in a tight joint detection device, an adjusting bolt is rotated according to the type and the size of the chain to adjust the distance between a movable plate and a central shaft, the chain firstly surrounds the central shaft in the forward detection mechanism and is embedded in an arc-shaped groove in a forward bending way, the outer convex surface of a forward bent chain link and a metal sheet on the inner arc surface of the arc-shaped groove keep a gap of 0.5-1.0 mm, if the tight joint or the dead joint fails, the tight joint or the dead joint can be clamped to enable the outer convex surface to touch the metal sheet, and a metal sheet connected with a positive electrode of a controller is connected with the chain connected with a negative electrode of the controller, the generated electric signal is transmitted to a controller, the controller controls a motor to stop and sends an alarm signal to stop the chain to move, the chain waits for the processing of detection personnel, a tight or dead chain can be disassembled and reassembled by using a joint disassembling and head exposing device on the working table of a rack, the chain can continuously move to a reverse detection mechanism after the processing is finished, each chain link which is reversely bent is detected by the method of the forward detection mechanism, after the tight detection is finished, the chain continuously moves to an image detection device, a camera and a reflector are positioned at two sides of the chain to be detected, the tooth end of a dividing disc arranged on a driving chain wheel pushes a button of a travel switch and switches on and off the contact of the travel switch to generate the electric signal which is the same as and synchronous with the chain links in quantity, the controller can accurately control a camera shutter to shoot images of each chain link, and the image data is compared with standard images, and the result is displayed on the display screen in real time for the detection personnel to observe, the light intensity of the shooting space can be increased by the reflector, the image definition is improved, the detection personnel can select index plates with different sizes to carry out image detection on the chain according to the type and the size of the chain to be detected, and the applicability of the detection machine is good.

Through the different detection items of above-mentioned each device, the real-time online multi-functional detection that detects the machine and can reach the chain can be completely preserved, analysis and traceed back to the relevant image data of chain, can replace artifical the detection completely, and detection efficiency is high and the accuracy is good.

In the description of the present invention, the technical terms "upper", "lower", "front", "rear", "left", "right", "longitudinal", "horizontal", "inner", "outer" and the like indicate the direction or the position relationship based on the direction or the position relationship shown in the drawings, and the technical solution of the present invention is only for the convenience of description and understanding, and the above description is not limiting to the present invention, the present invention is not limited to the above description, and the changes, modifications, additions or replacements made by the ordinary skilled in the art within the essential scope of the present invention should be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a chain image detects machine for the on-line measuring of chain (1), its characterized in that: the detection machine comprises a frame (2) and a chain driving device (3), a tight joint detection device, an image detection device (4) and a controller (5), wherein the chain driving device drives a chain to move, the image detection device comprises a camera (41), the tight joint detection device comprises a forward detection mechanism (6) and a reverse detection mechanism (7), the controller controls the chain driving device, the forward detection mechanism, the reverse detection mechanism and the image detection device respectively, and the controller comprises a display screen.

2. The chain image detection machine according to claim 1, wherein: chain drive (3) include motor, driving sprocket (31) and a plurality of leading wheel (32), and above-mentioned chain (1) passes through above-mentioned forward detection mechanism (6), reverse detection mechanism (7) and image detection device (4) through the traction of driving sprocket and the guide of leading wheel in proper order, the motor is connected with controller (5) electricity, driving sprocket sets firmly on the motor output shaft and drives the chain and remove, and the removal of above-mentioned chain is controlled and guided to the leading wheel.

3. The chain image detection machine according to claim 2, wherein: the image detection device (4) comprises a camera (41), a reflector (42) and a trigger unit, wherein the camera and the reflector are respectively arranged on two sides of the chain (1), a camera lens is positioned on one side of the chain and on the side surface of the image chain, the reflector is positioned on the other side of the chain and corresponds to the camera, and the camera, the reflector and the trigger unit are electrically connected with the controller (5).

4. The chain image detection machine according to claim 3, wherein: the trigger unit comprises an indexing disc (43) and a trigger (44), the indexing disc is positioned above the driving chain wheel (31) and coaxial with the driving chain wheel, and the trigger corresponds to the tooth end of the indexing disc and is electrically connected with the controller (5).

5. The chain image detection machine according to claim 3 or 4, wherein: image detection device (4) still include the safety cover, the safety cover is located above-mentioned camera (41) and reflector panel (42) and covers camera and reflector panel, and the safety cover both sides are equipped with the chain import and the export of symmetry.

6. The chain image detection machine according to claim 1, wherein: the device comprises a base body and a central shaft (61), wherein the base body is arranged on a workbench surface of a rack (2), an arc groove (62) is arranged on a vertical surface on one side of the base body, the central shaft is arranged at the circle center of the arc groove, a chain which is bent in the forward direction on the central shaft is matched with the arc groove and embedded in the arc groove, a metal sheet (63) is arranged on an inner arc surface of the arc groove, the metal sheet is insulated with the base body and electrically connected with a controller (5), a certain gap is formed between the surface of the metal sheet and an outer protruding surface of the chain which is bent in the forward direction, the reverse detection mechanism comprises the central shaft, the base body is fixedly arranged on the workbench surface of the rack, the arc groove is arranged on a vertical surface on one side of the base body, the central shaft is arranged at the circle center of the arc groove, the chain which is bent in the reverse direction on the central shaft is matched with the arc groove and embedded in the arc groove, the metal sheet is arranged on the inner arc surface of the arc groove, the metal sheet is electrically connected with the base body, and the outer protruding gap is formed between the surface of the chain which is bent in the reverse direction.

7. The chain image detection machine according to claim 6, wherein: the base comprises a movable plate (64), a fixed plate (65) and an adjusting bolt (66), wherein the fixed plate is fixedly arranged on a working table surface of the rack (2), screw holes in a horizontal shape are formed in two ends of the fixed plate, an arc-shaped groove (62) is formed in the vertical surface of one side of the movable plate, through holes corresponding to the screw holes in the horizontal shape are formed in two ends of the movable plate, the adjusting bolt is inserted into the through holes and is in threaded connection with the screw holes, a spring (67) is sleeved on the adjusting bolt between the movable plate and the fixed plate, and the free length of the spring is greater than the distance between the movable plate and the fixed plate.

8. The chain image detection machine according to claim 1, wherein: the detection machine still includes cleaning device (8), cleaning device includes annular air knife (81), suction chamber (82), fan housing and dust removal bag, dust absorption intracavity and external outside high pressurized air source are arranged in to annular air knife, the chain is located annular air knife's central authorities and moves along annular air knife's axis, the fan housing covers the suction chamber, is equipped with the import and the export of chain on the terminal surface around the fan housing, the dust removal bag meets and collects the dust with the suction chamber.

9. The chain image detection machine according to claim 1, wherein: the detection machine is further provided with a joint disassembling and exposing device (9) which is used for disassembling tight joints or dead joints in the chain.