CN217911660U

CN217911660U - Quality detection equipment for precise materials

Info

Publication number: CN217911660U
Application number: CN202222303097.6U
Authority: CN
Inventors: 吴海生
Original assignee: Shenzhen Ningyun Jingji Technology Co ltd
Current assignee: Shenzhen Ningyun Jingji Technology Co ltd
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2022-11-29
Anticipated expiration: 2032-08-31

Abstract

The utility model provides a quality detection device for precision materials, which comprises a workbench, wherein the workbench is respectively provided with a feeding mechanism, a detection mechanism, one or two three-axis material taking mechanisms and a tray loading mechanism; the feeding mechanism comprises a precise vibration disc, a straight vibrator and a material suction device; the detection mechanism comprises a plurality of industrial cameras, a first conveyor belt, a turnover device, a second conveyor belt and a discharge device; the position of the three-axis material taking mechanism is moved, and qualified materials are grabbed through the material sucking assembly; a plurality of tray racks are arranged on the transverse moving mechanism, the longitudinal moving mechanism and the tray storage device of the tray loading mechanism and used for transversely or longitudinally moving the material tray. The utility model has the advantages that: the detection efficiency and the placing efficiency of the qualified materials are greatly improved.

Description

Quality detection equipment for precise materials

Technical Field

The utility model relates to a quality testing equipment field of accurate material, especially a quality testing equipment of accurate material.

Background

Precision parts, which are of high quality and do not have defects, such as size, appearance, and if not satisfactory, can cause significant quality defects when installed in a product. For example, in a VCM voice coil motor, the extension position of the spring plate is controlled by changing the dc current of the coil in the motor, so as to drive the spring plate to move up and down. At present, the manipulator and the complex turnover mechanism are mainly relied on during detection, the manipulator is easy to damage the turnover mechanism with complex material matching, and the detection efficiency is not high. In addition, after the detection is finished, unqualified materials are eliminated, and qualified materials are placed in a tray.

SUMMERY OF THE UTILITY MODEL

The utility model provides a quality detection equipment of accurate material has detection efficiency height and qualified efficient characteristics of putting, is realized through following technical scheme.

A quality detection device for precise materials comprises a workbench, wherein a feeding mechanism, a detection mechanism, one or two three-axis material taking mechanisms and a tray loading mechanism are respectively arranged on the workbench;

the feeding mechanism comprises a precise vibration disc, a straight vibrator and a material sucking device, wherein the precise vibration disc is connected with the straight vibrator, and the material sucking device corresponds to a discharge hole of the straight vibrator and is oppositely arranged on two sides of the conveying belt;

the detection mechanism comprises a plurality of industrial cameras, a first conveyor belt, a turnover device, a second conveyor belt and a discharge device, wherein the industrial cameras are fixed above the conveyor belts through brackets;

triaxial feeding agencies includes: the three-axis material taking mechanism moves positions through the X-axis moving assembly, the Z-axis moving assembly and the Y-axis moving assembly and grabs materials on the discharging device through the material sucking assembly;

the tray loading mechanism comprises a transverse moving mechanism, a longitudinal moving mechanism, a tray storage device and a plurality of tray racks; the three-axis material taking mechanism is located above the longitudinal moving structure and used for placing the grabbed materials into a material tray on the longitudinal moving structure, the transverse moving mechanism is perpendicular to the longitudinal moving structure and used for transversely moving an empty material tray, the tray storage device is located in the workbench and connected with the transverse moving mechanism and used for storing the empty material tray, and a plurality of tray frames are arranged on the transverse moving mechanism, the longitudinal moving structure and the tray storage device.

The quality detection equipment also comprises a plurality of recovery boxes, wherein the first recovery box is positioned below the precise vibration disk, the precise vibration disk conveys materials with the front surface facing upwards, and the materials can fall into the recovery box below the precise vibration disk when the material is reversely faced upwards. The second recovery box is located beside the industrial camera, and when the industrial camera detects the defect of the material, the material is blown down from the conveying belt into the recovery box through the air nozzle.

And a tray storage device is arranged in the workbench and used for storing the vacant material trays and conveying the vacant material trays to a tray rack on the transverse moving mechanism through a conveying device in sequence according to a control instruction.

The beneficial effects of the utility model are that: the detection efficiency and the placing efficiency of the qualified materials are greatly improved.

Drawings

Fig. 1 is a schematic structural diagram of a quality detection device in an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a quality detection device in an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of the mechanisms on the mounting plate in the embodiment of the present invention.

Fig. 4 is a schematic structural diagram of each mechanism on the mounting plate in the embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a feeding mechanism in an embodiment of the present invention.

Fig. 6 is a schematic structural diagram of the turnover mechanism in the embodiment of the present invention.

Fig. 7 is a schematic structural diagram of a three-axis grabbing mechanism in an embodiment of the present invention.

Fig. 8 is an internal structural schematic diagram of the three-axis grabbing mechanism in the embodiment of the present invention.

Fig. 9 is an internal structural schematic diagram of the three-axis grabbing mechanism in the embodiment of the present invention.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

As shown in fig. 1-2, a quality detection device for precision materials includes a workbench 1, and a feeding mechanism 10, a detection mechanism 20, a three-axis material taking mechanism 30, and a tray loading mechanism 40 are respectively disposed on the workbench 1.

The device also comprises a workbench 1 and a working cover (not shown in the figure), wherein the workbench 1 is provided with a mounting plate 2, and the workbench 1 is internally provided with a control box 4 for controlling the power supply of equipment.

The feeding mechanism 10 comprises a precision vibration disc 11, a straight vibrator 12 and a material suction device 13.

The detection mechanism 20 comprises a plurality of industrial cameras 21, a first conveyor belt 22, a turnover device 23, a second conveyor belt 24 and a discharge device 25.

The three-axis material taking mechanism 30 includes: an X-axis moving assembly 32, a Z-axis moving assembly 33, a Y-axis moving assembly 34 and a suction assembly 35.

The tray loading mechanism 40 includes a lateral moving mechanism 41, a longitudinal moving mechanism 42, a tray stocker 43, and a plurality of tray racks 44.

The quality detection equipment also comprises a plurality of recovery boxes 5, wherein the first recovery box is positioned below the precise vibration disk 11, the precise vibration disk conveys materials with the front surface facing upwards, and when the materials face upwards in the reverse direction, the materials can fall into the recovery boxes 5 below the precise vibration disk 11. The second is retrieved the box and is located the industry camera side, and is fixed through the camera support, when industry camera detects out the material defect, blows the material from the conveyer belt through the air cock and falls to retrieving in the box.

A tray storage device 43 is arranged in the workbench and used for storing empty trays and sequentially conveying the empty material trays to a tray rack on the transverse moving mechanism 42 through a conveying device according to a control instruction.

As shown in fig. 5, the precision vibration plate 11 includes a hopper 111, which is circular and is located at the center, and a feeding rail 112 surrounding the hopper. The feeding track inclines inwards and has a certain height difference, and a gap exists between the feeding track and the hopper. The precision vibration dish during operation, the vibration promptly, the material in the hopper gets into the pay-off track, because the inside slope of pay-off track for the material that the front face is up passes through the pay-off track, moves to the low place. The material with the reverse surface facing upwards falls into a material box positioned below the precision vibration disc 11 through a gap.

The front and back characteristics of the material are different, and an AI model is embedded in the embedded vision sensor when the material is conveyed in the precise vibration disc 11. Learning by AI that the front is OK and the back is NG. When the material is faced upwards reversely, IO outputs an NG signal, and an electromagnetic valve senses the signal and blows off the NG material; when the material front face is upward, the material normally enters into direct vibration, so that the uniform front face upward flow into a subsequent detection procedure is realized.

The precision vibration disk 11 is powered on and adjusts the vibration frequency via the controller 113.

The straight vibrator 12 comprises a straight feed track for buffering material. When the precision vibration disk 11 enters the straight feeding track of the straight vibrator, the precision vibration disk is used for buffering materials. The materials are arranged on the straight feeding track and are to be sucked by the sucking device. The straight vibrator is used for overcoming the defect of material accumulation caused by overhigh feeding effect of the precise vibration disc 11 and is used as a buffer mechanism for the material feeding of the precise vibration disc 11.

As shown in fig. 5, the suction device 13 is a vacuum suction device for sucking the material in the straight feeding track of the straight vibrator to the conveyor belt. The suction device comprises a main body 131, a suction nozzle 132 and a suction nozzle support 133, wherein the end of the suction nozzle is provided with an air hole and is connected with the main body through a hose (not shown in the figure). The host computer passes through the support to be fixed on mounting panel 2, and is located the conveyer belt top, also can set up in other positions. The suction nozzle is fixed on the bracket through the suction nozzle bracket, and the bracket also fixes the host machine. The vacuum suction nozzle is duckbilled, and a plurality of suction holes are distributed at the end part. The operating principle is that intermittent suction is generated through the suction holes to suck materials which are directly vibrated onto the conveying belt, and the generated suction is just enough to adsorb the materials onto the conveying belt due to the intermittent suction.

As shown in fig. 2, motors (221, 241) are provided on the first conveyor belt 22 and the second conveyor belt 24, and the first conveyor belt 22 and the second conveyor belt 24 are fixed to the mounting plate 2 by brackets. Be equipped with a plurality of industry cameras 21 above first conveyer belt and second conveyer belt, fix on mounting panel 2 through camera support 211, the camera lens of industry camera is just to the conveyer belt, detects the part surface through shooing.

On first conveyer belt 22, set up 1-2 industry camera 21, fix on the mounting panel through camera support 211, the camera lens of industry camera is just to the conveyer belt, and when the material was carried by the conveyer belt, shoots the material that removes through industry camera 21, and whether the front of detecting the material accords with the quality requirement after being analyzed and contrasted by the system again. And (5) after the detection is finished, enabling the qualified materials to enter a turnover mechanism and turning the materials to a state that the reverse side faces upwards. And then conveyed to a second conveyor belt, wherein the second conveyor belt 24 is provided with 1-2 other industrial cameras 21 for detecting whether the reverse surfaces of the materials meet the quality requirements, if so, the next process is carried out, and the qualified materials are placed in a material tray through a three-shaft material taking mechanism 30.

As shown in fig. 6, the turning device 23 is located at an end portion of the first conveyor belt 21, and an end surface thereof is arc-shaped or semicircular, and a space between the turning device and the first conveyor belt 21 forms a channel 231. The inner side of the turning track is a semicircular surface or an arc surface, covers the end of the first conveyor belt 21 without contacting, and forms a channel 231 having a semicircular or arc cross section. The height of the channel between the inner side of the turnover track and the conveyor belt is slightly larger than the thickness of a product to be detected, and the channel can pass through materials. The materials are positioned on the conveyer belt before passing through the channel, and the front surfaces of the materials face upwards. The conveyor belt continuously runs, the materials pass through the channel, and when the materials reach the tail end of the channel, the materials fall on the overturning track, the reverse side of the overturning track faces upwards, and the overturning is completed.

The turning device 23 is fixed by an adjusting device 233, one end of which is fixed with the turning rail by screws and the other end is fixed on the main body of the transmission belt.

The turning device 23 is connected with the second conveyor belt 24 through an arc-shaped vibrator 26, and the vacuum suction device sucks the materials from a material channel of the arc-shaped vibrator 26 onto the second conveyor belt 24.

After the three-axis material taking mechanism 30 grabs the detected materials, the materials are placed in the material tray in order.

The utility model discloses an in the embodiment, triaxial feeding agencies 30 is 2, can snatch in turn and detect qualified material to in putting the material dish with the material is neat, thereby improved and put efficiency.

As shown in fig. 7, the three-axis material taking mechanism 30 is located on the rail 31, the rail 31 is fixed by the rail bracket, a driving motor 312 for driving the three-axis material taking mechanism to move is further disposed on the rail 31, and the motor 312 drives the three-axis material taking mechanism 30 to move along the rail through a belt.

The track further comprises a chain 311 for fixing the three-shaft material taking mechanism 30, one end of the chain 311 is fixed in the track, and the other end of the chain is fixed on the shell 301 of the three-shaft material taking mechanism 30. Adjusting the length of the chain can limit the travel of the three-axis take-off mechanism 30 on the track.

As shown in fig. 8-9, the three-axis material taking mechanism 30 includes a housing 301, and the housing is sequentially provided with: an X-axis moving assembly 32, a Z-axis moving assembly 33, a Y-axis moving assembly 34 and a suction assembly 35.

The rack 31 of the three-axis material taking mechanism comprises a rack transverse plate 311 and a rack vertical plate 312, wherein the rack transverse plate 311 and the rack vertical plate 312 are in a vertical relationship and are in a non-direct connection relationship, and are used for fixing the X-axis moving component 32, the Z-axis moving component 33, the Y-axis moving component 34 and the material sucking component 35 in a matching manner.

The X-axis moving assembly 32 is located below the transverse plate 311 of the machine frame and includes a plurality of chutes 321 and pulleys 322, the chutes 321 are located on the rails 36, the pulleys 322 are connected with the motors 37 on the rails 36 through belts, when the motors 37 rotate, the pulleys 322 are driven to rotate through the belts, the pulleys 322 roll on the rails 36 to drive the three-axis material taking mechanism 30 to move on the rails, that is, the X-axis. The motor 37 rotates in a forward or reverse direction to reciprocate the three-axis take off mechanism 30 on the track.

The Z-axis moving assembly 33 comprises a Z-axis support 334, a Z-axis slide rail 333, a Z-axis slide groove 332, a Z-axis motor 331 and a screw 335, wherein the Z-axis support 334 is vertically and fixedly connected with the rack vertical plate 312, the Z-axis slide rail 333 is fixed below the Z-axis support 334, the Z-axis slide groove 332 is fixed on the rack transverse plate 311 through a gasket, and the Z-axis slide rail 333 and the Z-axis slide groove 332 are mutually matched and can slide. The Z-axis motor 331 is fixed on the horizontal plate 311 of the rack, the shaft of the Z-axis motor is fixed with the spiral 335, and the spiral rotates forward or backward to drive the Z-axis bracket 334 and the rack vertical plate 312 to move back and forth, so that the three-axis material taking mechanism 30 moves back and forth in the Z-axis direction.

The Y-axis moving components 34 are fixed on the rack riser 312, and are located on both sides of the rack riser 312 together with the Z-axis moving components 33. The Y-axis moving component 34 comprises a Y-axis motor 341, a rotating wheel 342 and a Y-axis belt 343, wherein the Y-axis motor 341 is fixed on the frame vertical plate 312 and is positioned at one side of the Z-axis moving component 33. The wheel 342 is connected to the shaft of the Y-axis motor 341 and is located at the opposite side of the Y-axis motor. The pulley 342 rotates the driven pulley via a belt.

On the vertical plate 312 of the machine frame, a material sucking component 35 is arranged on the same side of the Z-axis moving component 34, the principle of the material sucking component is vacuum material sucking, and the material sucking component comprises a suction nozzle 352 and an air hole 351 at the tail end, and the air hole 351 is connected with a vacuum pump (not shown in the figure) through a hose. The vacuum pump is used to generate a vacuum negative pressure, which forms an airflow under vacuum, and the material is sucked from the suction nozzle 352 by the negative pressure.

Inhale material subassembly 35 and press from both sides the Y axle belt 343 through the clip, inhale fixed spout on the body of material subassembly 35, with fix the slide rail cooperation connection on the frame riser 312. By the back and forth movement of the Y-axis belt, the suction assembly 35 clamped on the Y-axis belt 343 is moved up and down, so that the suction assembly 35 moves back and forth on the Y-axis.

In the embodiment of the present invention, all the sliding grooves are dovetail grooves, and the cross section of the sliding rail is inverted trapezoid. Through the cooperation of the inverted trapezoidal slide rail and the dovetail groove, the dovetail groove can move back and forth besides being fixed in position.

The utility model discloses an in the embodiment, three-axis feeding agencies 30 can realize X axle and Z axle motion, inhales material subassembly 35 and along with whole mechanism realizes X axle and Z axle motion, inhales material subassembly 35 and can also realize Y axle motion for inhale the removal that the material subassembly passes through X axle, Y axle and Z axle, place the material in the material dish of different positions, co-altitude, thereby improved the material and put efficiency.

As shown in fig. 3 to 4, the tray loading mechanism 40 includes a lateral moving mechanism 41, a longitudinal moving mechanism 42, a tray stocker 43, and a plurality of tray racks 44.

A tray storage device 43 is located in the table 1, the tray storage device 43 storing a number of empty trays, which are ready for use and stacked on the lifting tray frame 431, and when a new tray is needed, the trays on the tray storage device 43 are ready for use.

The transverse moving mechanism 41 includes a transverse sliding rail 411, and a mechanical claw 412 for moving a tray is arranged on the rail, and is used for moving a tray on one tray rack to another tray rack, for example, moving a full tray to a tray rack for collection, or moving a blank tray to a tray rack of the three-axis material taking mechanism 30, and waiting for the three-axis material taking mechanism 30 to fill an empty tray with material.

As shown in fig. 7, the vertical movement mechanism 42, which interfaces with the three-axis take-out mechanism 30, moves the tray back and forth, moves the full tray into the area of the lateral movement mechanism 41, and the tray is grasped by the robot to the collection area.

The longitudinal moving mechanism 42 comprises a longitudinal sliding rail 421, the tray frame 423 moves back and forth along the longitudinal sliding rail 421 for transporting the material tray, the tray frame 423 and the longitudinal sliding rail 421 are fixed through a fixing bracket 422, and a motor 424 provides power for the tray frame 423 to move back and forth.

The utility model discloses an operating principle is, pours the accurate material into accurate vibration dish in, carries the conveyer belt with the ascending material of direction on, openly detects the material through the industrial camera on the first conveyer belt, and the material that detects the qualification passes through turning device and arc vibrator and gets into the second conveyer belt, and the material is the reverse side up this moment. And detecting the reverse side of the material through an industrial camera on the second conveyor belt, and enabling qualified materials to enter the next link. Because the first conveyor belt and the second conveyor belt are ingeniously connected through the turnover mechanism, the front and back detection efficiency of the material is greatly improved.

And qualified materials are placed in the material tray through the three-axis material taking mechanisms, the material tray can be moved transversely or longitudinally by the tray loading mechanism, the materials are taken through the two three-axis material taking mechanisms at the same time, and each three-axis material taking mechanism is provided with one set of transverse moving mechanism or longitudinal moving mechanism, so that the placing efficiency is greatly improved.

In a word, the utility model discloses a detection efficiency and material sabot efficiency of quality testing equipment all improve by a wide margin.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A quality detection device for precise materials comprises a workbench, wherein a feeding mechanism, a detection mechanism, one or two three-axis material taking mechanisms and a tray loading mechanism are respectively arranged on the workbench;

the detection mechanism comprises a plurality of industrial cameras, a first conveyor belt, a turnover device, a second conveyor belt and a discharge device, wherein the industrial cameras are fixed above the conveyor belts through camera supports, the turnover device is positioned at the end part of the first conveyor belt and is connected with the second conveyor belt, and the discharge device is positioned at the end part of the second conveyor belt and is matched with the triaxial material taking mechanism;

2. The quality inspection apparatus of claim 1, further comprising a plurality of recycling bins, a first recycling bin located below the precision vibratory pan for collecting misdirected material, and a second recycling bin located beside the industrial camera for collecting off-spec material.

3. The quality inspection apparatus of claim 2, wherein the industrial camera is fixed to the mounting plate by a camera mount, and a lens of the industrial camera faces the conveyor belt for inspecting the surface of the part by taking a photograph.

4. The quality detection apparatus according to claim 3, wherein the camera support is further provided with an air nozzle for blowing off the unqualified materials into the recycling box.

5. The quality inspection apparatus of claim 1, wherein the turnover device is connected to the second conveyor belt through an arc-shaped vibrator, and a vacuum suction device is disposed at a discharge port of the arc-shaped vibrator for sucking the material from the material passage of the arc-shaped vibrator to the second conveyor belt.

6. The quality inspection apparatus of claim 1, wherein the tray storage device is located within the work table, the tray storage device storing a plurality of empty trays of material stacked on the lifting tray.

7. The quality detection apparatus according to claim 1, wherein the lateral movement mechanism comprises a lateral slide rail on which a gripper for moving the tray is disposed for moving the tray on the tray rack.

8. A quality detection apparatus according to claim 1, wherein the longitudinal movement structure comprises a longitudinal slide along which the tray rack moves back and forth for transporting the tray.