CN214749841U

CN214749841U - Guiding and adjusting mechanism for visual inspection

Info

Publication number: CN214749841U
Application number: CN202120513550.9U
Authority: CN
Inventors: 姚先金; 李亦军
Original assignee: Hangzhou Xunzheng Automation Technology Co ltd
Current assignee: Hangzhou Xunzheng Automation Technology Co ltd
Priority date: 2021-03-11
Filing date: 2021-03-11
Publication date: 2021-11-16
Anticipated expiration: 2031-03-11

Abstract

The utility model relates to a visual detection auxiliary assembly technical field discloses a visual detection is with direction guiding mechanism, including the control unit and the adjustment unit, the control unit generates first control command according to the product parameter of input, the put position of product is surveyed in the adjustment to first control command control adjustment unit action, a serial communication port, the adjustment unit is including the adjustment guide pulley, position adjustment mechanism and linking bridge, the adjustment guide pulley is fixed in on the position adjustment mechanism, position adjustment mechanism can drive the adjustment guide pulley and remove to detect product to best detection area in order to promote along first adjustment direction, position adjustment mechanism is fixed in on the linking bridge, the linking bridge is used for fixing the adjustment unit to first adjusting position. The position adjusting mechanism is arranged to drive the adjusting guide wheel to move along the first adjusting direction so as to push the detected product to the optimal detection area, so that the running time of data processing of the visual detection equipment can be reduced, the detection speed is increased, and the detection precision is guaranteed.

Description

Guiding and adjusting mechanism for visual inspection

Technical Field

The utility model relates to a visual detection auxiliary assembly technical field, concretely relates to visual detection is with direction guiding mechanism.

Background

With the increase of the domestic manufacturing level and the increase of the market competition, many manufacturing industries put higher and higher requirements on the quality control of the precision parts processed by the manufacturing industries. At present, when the parts are put into a warehouse for detection, detection personnel need to measure the parts in full size, namely 100% of products are detected to realize the management and control of the product quality. However, since manual detection is generally inefficient and has a large error, the degree of adaptation is not high when mass production is performed. In this case, the appearance, quality defect and critical dimension of the component are detected by visual inspection equipment for rapid screening. The detected product is conveyed to a visual detection area by a conveying mechanism, then an image which is projected to the surface of the part to be detected by a laser emitter and deformed after surface modulation is collected by an installed camera, the camera transmits the collected image data to a computer for analysis and comparison processing, and qualified parts are screened out.

However, in the existing factory, products with different specifications and sizes are required to be detected within one day or several hours when the visual detection is performed, and if the image information acquired when the detected product is not located at the center of the visual detection field needs to be internally corrected, the accuracy of the detection result is reduced, and the working efficiency of the visual detection device is also reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a not enough to prior art exists, the utility model aims to provide a guiding adjustment mechanism for visual detection, the device can be according to the position of the big or small specification automatic adjustment product according to the product to be in its field of vision center department when guaranteeing the product to pass through visual detection device.

In order to achieve the above object, the present invention provides the following technical solutions:

a guiding and adjusting mechanism for visual detection comprises a control unit and an adjusting unit, wherein the control unit generates a first control command according to input product parameters, and the first control command controls the adjusting unit to act so as to adjust the placing position of a detected product.

The utility model discloses in, it is further, the first drive arrangement of fixedly connected with on the adjustment guide pulley, first drive arrangement drives the adjustment guide pulley and rotates the rotational speed in order to change the adjustment guide pulley. This scheme can make through the slew velocity who changes the adjustment guide pulley produce the speed difference between adjustment guide pulley and the transportation area, and the speed difference between accessible adjustment guide pulley and the transportation area makes the product take place to wrench movement and then the posture of putting of the product that changes from this, the image acquisition work of the visual detection equipment of being convenient for more.

The utility model discloses in, it is further, position adjustment mechanism includes direction slide rail, adjusting rack, drive gear, regulation flat board and second actuating mechanism, the direction slide rail sets up on the linking bridge with the equal fixed of adjusting rack, it sets up on the direction slide rail to adjust dull and stereotyped slip, first drive arrangement sets up on adjusting the flat board with the equal fixed of second actuating mechanism, drive gear is fixed to be set up in second actuating mechanism's output, drive gear meshes with the adjusting rack mutually and sets up the relative movement through drive gear and adjusting rack and removes on the direction slide rail with driving first drive arrangement.

The utility model discloses in, it is further, be provided with removal detection mechanism on the linking bridge, including multiunit detection sensor and detection piece, it sets up on adjusting the flat board, multiunit to detect the piece fixed detection sensor sets up and is used for surveying detection piece and production first stop order on detecting the removal route of piece.

The utility model discloses in, it is further, linking bridge includes horizontal mounting panel and longitudinal installation board, horizontal mounting panel and longitudinal installation board mutually perpendicular fixed connection, the guide pulley has been seted up on the longitudinal installation board and has been led to the groove, the last regulation that has seted up of horizontal mounting panel leads to the groove.

The utility model discloses in, it is further, two sets of reinforcing plates of fixedly connected with between horizontal mounting panel and the vertical mounting panel, it leads to the groove to have seted up the detection on the reinforcing plate.

The utility model discloses in, it is further, first drive arrangement includes motor, switching-over reduction gear and pivot adjuster, the output of motor is connected through the switching-over reduction gear with the drive shaft of adjustment guide pulley, pivot adjuster fixed set up on the switching-over reduction gear and with the drive shaft is connected and is used for driving the drive shaft and removes on the axial direction.

The utility model discloses in, it is further, the pivot regulator includes alignment jig, adjusting screw and adjusting nut, adjusting screw rotates and sets up on the alignment jig, adjusting screw and the tail end threaded connection of drive shaft, adjusting nut locates soon and is used for strengthening the joint strength of adjusting nut and drive shaft on the adjusting screw.

The utility model discloses in, it is further, the switching-over reduction gear includes switching-over gear train and connecting sleeve, connecting sleeve is connected with the switching-over gear train, the inside multiunit regulation keyway of having seted up of connecting sleeve, the length of adjusting the keyway is greater than the length of connecting key, the drive shaft passes through the connecting key with connecting sleeve and connects.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a device drives the adjustment guide pulley through setting up position adjustment mechanism and removes in order to promote to be detected product to best detection area along first adjustment direction, can guarantee from this when detecting different specification batched products, it is in the best discernment position to reach in the detection area as the product of being surveyed, the image information that can make the product that visual detection equipment gathered accords with internal data processing's format more from this, thereby also can reduce data processing's operating duration and improve detection speed from this, and then also can guarantee the precision of detection.

In addition, the axial position of the driving shaft can be changed by arranging the rotating shaft regulator, and then the driving shaft drives the regulating guide wheel to regulate the gap between the regulating guide wheel and the conveying belt, so that the contact part between the regulating guide wheel and the detected piece can be conveniently regulated.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the exploded structure of the present invention.

Fig. 3 is an exploded view of the connection structure of the middle connection sleeve, the driving shaft and the shaft adjuster according to the present invention.

In the drawings: 10. a longitudinal mounting plate; 11. a guide wheel through groove; 12. a horizontal mounting plate; 13. a reinforcing plate; 14. detecting the through groove; 15. adjusting the through groove; 20. a second drive mechanism; 21. a guide slide rail; 22. adjusting the rack; 23. a drive gear; 24. adjusting the flat plate; 30. a detection sensor; 31. detecting a sheet; 40. an adjusting bracket; 41. an adjusting screw; 42. adjusting the nut; 43. a connecting sleeve; 44. adjusting the key slot; 50. a first driving device; 51. a reversing decelerator; 60. adjusting the guide wheel; 61. a drive shaft; 62. a connecting key.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1 to 3 simultaneously, a preferred embodiment of the present invention provides a guiding adjustment mechanism for visual inspection, comprising a guiding adjustment mechanism for visual inspection, which includes a control unit and an adjustment unit, wherein the control unit generates a first control command according to the specific size and error parameters of the product to be input, the first control command includes the control of the specific movement form of the second driving mechanism 20, the second driving mechanism 20 is specifically configured as a servo motor, the rotation direction and the number of rotation turns of the servo motor are controlled by the first control command, and the adjustment unit is controlled to adjust the placing position of the product to be inspected, wherein the adjustment unit includes an adjustment guide wheel 60, a position adjustment mechanism and a connecting bracket, the adjustment guide wheel 60 is fixedly disposed on the position adjustment mechanism, and the position adjustment mechanism can drive the adjustment guide wheel 60 to move along the first adjustment direction to push the product to be inspected to the best inspection And the position adjusting mechanism is fixedly arranged on the connecting support, the connecting support is used for fixing the adjusting unit to a first adjusting position, and the first adjusting position can be a mounting position on the conveying belt. The control unit is not described in detail herein for the prior art.

The adjusting guide wheel 60 is fixedly connected with a first driving device 50, and the first driving device 50 drives the adjusting guide wheel 60 to rotate so as to change the rotating speed of the adjusting guide wheel 60. The first driving device 50 includes a motor, a reversing reducer 51, and a rotating shaft adjuster, an output end of the motor is connected to a driving shaft 61 of the adjusting guide wheel 60 through the reversing reducer 51, and the rotating shaft adjuster is fixedly disposed on the reversing reducer 51 and connected to the driving shaft 61 for driving the driving shaft 61 to move in an axial direction.

As shown in fig. 3, the pivot adjuster includes an adjusting bracket 40, an adjusting screw 41 and an adjusting nut 42, the adjusting screw 41 is rotatably disposed on the adjusting bracket 40 through a bearing, the adjusting screw 41 is threadedly connected to the rear end of the driving shaft 61, and the adjusting screw 41 is rotated to change the depth of the adjusting screw 41 screwed into the rear end of the driving shaft 61, so as to change the axial position of the driving shaft 61 and thus change the position of the adjusting guide wheel 60. The adjusting nut 42 is screwed on the adjusting screw 41, and after the screwing length of the adjusting screw 41 is adjusted, the adjusting nut 42 is screwed on and abutted to the end of the driving shaft 61, so that the connection strength between the adjusting screw 41 and the driving shaft 61 is enhanced, and the adjusting screw 41 is prevented from being loosened and screwed out from the inside of the driving shaft 61.

As shown in fig. 3, the reversing speed reducer 51 includes a reversing gear set and a connecting sleeve 43, the connecting sleeve 43 is connected to the reversing gear set, a plurality of adjusting key slots 44 are formed in the connecting sleeve 43, the length of each adjusting key slot 44 is greater than that of a connecting key 62, and the driving shaft 61 is connected to the connecting sleeve 43 through the connecting key 62. When the connecting sleeve 43 is connected with the driving shaft 61 through a key, the connecting sleeve can move along the axial direction under the driving of axial external force.

As shown in fig. 2, the position adjusting mechanism includes a guide slide rail 21, an adjusting rack 22, a driving gear 23, an adjusting plate 24 and a second driving mechanism 20, the guide slide rail 21 and the adjusting rack 22 are both fixedly disposed on the connecting bracket, the adjusting plate 24 is slidably disposed on the guide slide rail 21, the first driving device 50 and the second driving mechanism 20 are both fixedly disposed on the adjusting plate 24, the driving gear 23 is fixedly disposed at an output end of the second driving mechanism 20, the driving gear 23 is meshed with the adjusting rack 22, the driving gear 23 is driven by the motor to rotate, and the driving gear 23 and the adjusting rack 22 move relatively to drive the first driving device 50 to move on the guide slide rail 21.

As shown in fig. 2, the connection bracket is provided with a movement detection mechanism, which includes a plurality of sets of detection sensors 30 and detection sheets 31, the detection sheets 31 are fixedly disposed on the adjustment plate 24, and the plurality of sets of detection sensors 30 are disposed on a movement path of the detection sheets 31 for detecting the detection sheets 31 and generating a first stop command. Two groups of detection sensors 30 are fixed at two ends of the detection through groove 14, one group of detection sensors 30 is used for calibrating an original point, the adjustment guide wheel 60 returns to the original position to reach the original point when the detection sheet 31 is detected, so that data input is conveniently carried out as the fixed original point when parts with different sizes are detected each time, the detection sensor 30 at the other side is the limit of the running stroke, a first stop command is produced when the detection sheet 31 is detected, and the first stop command is used for stopping the action of the second driving mechanism 20 so as to stop the movement of the adjustment guide wheel 60.

The connecting support comprises a horizontal mounting plate 12 and a longitudinal mounting plate 10, the horizontal mounting plate 12 and the longitudinal mounting plate 10 are mutually perpendicular and fixedly connected, a guide wheel through groove 11 is formed in the longitudinal mounting plate 10, and an adjusting through groove 15 is formed in the horizontal mounting plate 12. Adjustment channel 15 is used to pass through drive shaft 61 and idler channel 11 is used to adjust the extension and retraction of idler 60.

Two groups of reinforcing plates 13 are fixedly connected between the horizontal mounting plate 12 and the longitudinal mounting plate 10, and a detection through groove 14 is formed in each reinforcing plate 13. The reinforcing plate 13 is used for reinforcing the connection strength between the horizontal mounting plate 12 and the longitudinal mounting plate 10 so as to ensure the connection stability of the whole device, and the detection through groove 14 is used for passing through the detection sheet 31.

The working principle is as follows:

firstly, the connecting bracket is fixedly installed at a specified installation position of the conveying line, then the specific size of the detected product and the parameter value of the error range are input into the control unit, then the control unit generates a specific first control command, then the first control command drives the motors in the first driving device 50 and the second driving mechanism 20 to rotate, so that the adjusting guide wheel 60 reaches the specified adjusting position, meanwhile, the motor in the first driving device 50 drives the adjusting guide wheel 60 to rotate, and therefore the product passing through the position is moved to the optimal detection area so as to be convenient for the visual detection device to carry out image acquisition and detection.

The above description is for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent changes or modifications accomplished under the technical spirit suggested by the present invention should fall within the scope of the present invention.

Claims

1. A guiding and adjusting mechanism for visual detection comprises a control unit and an adjusting unit, wherein the control unit generates a first control command according to input product parameters, and the first control command controls the adjusting unit to act so as to adjust the placing position of a detected product, and is characterized in that the adjusting unit comprises an adjusting guide wheel (60), a position adjusting mechanism and a connecting support, the adjusting guide wheel (60) is fixedly arranged on the position adjusting mechanism, the position adjusting mechanism can drive the adjusting guide wheel (60) to move along a first adjusting direction so as to push the detected product to an optimal detection area, the position adjusting mechanism is fixedly arranged on the connecting support, and the connecting support is used for fixing the adjusting unit to a first adjusting position.

2. The guiding and adjusting mechanism for visual inspection as claimed in claim 1, wherein a first driving device (50) is fixedly connected to the adjusting guide wheel (60), and the first driving device (50) drives the adjusting guide wheel (60) to rotate so as to change the rotation speed of the adjusting guide wheel (60).

3. The guide adjustment mechanism for visual inspection according to claim 2, the position adjusting mechanism comprises a guide sliding rail (21), an adjusting rack (22), a driving gear (23), an adjusting flat plate (24) and a second driving mechanism (20), the guide slide rail (21) and the adjusting rack (22) are both fixedly arranged on the connecting bracket, the adjusting flat plate (24) is arranged on the guide slide rail (21) in a sliding manner, the first driving device (50) and the second driving mechanism (20) are both fixedly arranged on the adjusting flat plate (24), the driving gear (23) is fixedly arranged at the output end of the second driving mechanism (20), the driving gear (23) is meshed with the adjusting rack (22) and drives the first driving device (50) to move on the guide sliding rail (21) through relative movement of the driving gear (23) and the adjusting rack (22).

4. The guiding and adjusting mechanism for visual inspection according to claim 3, wherein the connecting bracket is provided with a movement detection mechanism, the movement detection mechanism comprises a plurality of sets of detection sensors (30) and detection sheets (31), the detection sheets (31) are fixedly arranged on the adjusting plate (24), and the plurality of sets of detection sensors (30) are arranged on the moving path of the detection sheets (31) for detecting the detection sheets (31) and generating the first stop command.

5. The guiding and adjusting mechanism for visual inspection according to claim 4, wherein the connecting bracket comprises a horizontal mounting plate (12) and a longitudinal mounting plate (10), the horizontal mounting plate (12) and the longitudinal mounting plate (10) are vertically and fixedly connected with each other, a guide wheel through groove (11) is formed on the longitudinal mounting plate (10), and an adjusting through groove (15) is formed on the horizontal mounting plate (12).

6. The guiding and adjusting mechanism for visual inspection according to claim 5, wherein two sets of reinforcing plates (13) are fixedly connected between the horizontal mounting plate (12) and the longitudinal mounting plate (10), and the reinforcing plates (13) are provided with inspection through grooves (14).

7. The guiding and adjusting mechanism for visual inspection as claimed in claim 2, wherein the first driving device (50) comprises a motor, a reversing reducer (51) and a rotating shaft adjuster, an output end of the motor is connected with a driving shaft (61) of the adjusting guide wheel (60) through the reversing reducer (51), and the rotating shaft adjuster is fixedly arranged on the reversing reducer (51) and connected with the driving shaft (61) for driving the driving shaft (61) to move in the axial direction.

8. The guiding and adjusting mechanism for visual inspection according to claim 7, wherein the rotating shaft adjuster comprises an adjusting frame (40), an adjusting screw (41) and an adjusting nut (42), the adjusting screw (41) is rotatably disposed on the adjusting frame (40), the adjusting screw (41) is in threaded connection with the tail end of the driving shaft (61), and the adjusting nut (42) is rotatably disposed on the adjusting screw (41) for enhancing the connection strength between the adjusting nut (42) and the driving shaft (61).

9. The guiding and adjusting mechanism for visual inspection according to claim 7, wherein the reversing reducer (51) comprises a reversing gear set and a connecting sleeve (43), the connecting sleeve (43) is connected with the reversing gear set, a plurality of groups of adjusting key slots (44) are formed in the connecting sleeve (43), the length of each adjusting key slot (44) is greater than that of each connecting key (62), and the driving shaft (61) is connected with the connecting sleeve (43) through the connecting keys (62).