阅读说明：本技术 一种基于视觉检测的阶梯套检测机构 (Ladder sleeve detection mechanism based on visual detection ) 是由 黄军梅 林镇炜 李德源 于 2019-09-06 设计创作，主要内容包括：本发明涉及一种基于视觉检测的阶梯套检测机构,包括输送槽和上框,所述的输送槽内设置有输送装置,上框上依次设置有与输送装置上的产品配合的视觉检测装置和偏心检测装置,且输送槽的侧板上设置有与偏心检测装置下方的产品配合的检测卡位装置,偏心检测装置包括设置在上框上的检测升降气缸,检测升降气缸下方连接有检测升降座,检测升降座的下侧中心设置有检测筒,检测筒的直径小于产品外螺孔的直径、大于产品内螺孔的直径,且检测升降座和检测筒的下方分别设置有第一触摸感应屏和第二触摸感应屏,且第一触摸感应屏和第二触摸感应屏的高度差与外螺孔的深度匹配；能够实现产品视觉检测、偏心检测连续有序的进行,提高了检测效率。(The invention relates to a ladder sleeve detection mechanism based on visual detection, which comprises a conveying groove and an upper frame, the conveying groove is internally provided with a conveying device, the upper frame is sequentially provided with a visual detection device and an eccentric detection device which are matched with the product on the conveying device, a detection clamping device matched with a product below the eccentricity detection device is arranged on a side plate of the conveying groove, the eccentricity detection device comprises a detection lifting cylinder arranged on the upper frame, a detection lifting seat is connected below the detection lifting cylinder, a detection cylinder is arranged at the center of the lower side of the detection lifting seat, the diameter of the detection cylinder is smaller than the diameter of an outer screw hole of the product and larger than the diameter of an inner screw hole of the product, and a first touch induction screen and a second touch induction screen are respectively arranged below the detection lifting seat and the detection barrel, the height difference between the first touch induction screen and the second touch induction screen is matched with the depth of the outer screw hole; the product vision detection and the eccentric detection can be carried out continuously and orderly, and the detection efficiency is improved.)

1. The utility model provides a ladder cover detection mechanism based on visual detection, includes conveyer trough (1) and upper ledge (3), its characterized in that, conveyer trough (1) in be provided with conveyor (2), upper ledge (3) on set gradually with conveyor (2) on product (4) complex visual detection device (9) and eccentric detection device (6), and be provided with on the curb plate of conveyer trough (1) with eccentric detection device (6) below product (4) complex detect screens device (5), eccentric detection device (6) including setting up detection lift cylinder (11) on upper ledge (1), detection lift cylinder (11) below be connected with and detect lift seat (12), the downside center that detects lift seat (12) be provided with and detect a section of thick bamboo (14), the diameter that detects a section of thick bamboo (14) be less than the diameter of the outer screw of product (4) diameter, The diameter of the screw hole in the product (4) is larger than, a first touch induction screen (13) and a second touch induction screen (15) are respectively arranged below the detection lifting seat (12) and the detection cylinder (14), and the height difference of the first touch induction screen (13) and the second touch induction screen (15) is matched with the depth of the outer screw hole.

2. The ladder sleeve detection mechanism based on visual detection as claimed in claim 1, wherein the detection cylinder (14) passes through the detection lifting seat (12), and a detection cylinder mounting block (19) is arranged on the outer side of the upper part of the detection cylinder (14), and the detection cylinder mounting block (19) is in sleeve fit with a detection cylinder adjusting screw rod (18) which is arranged on the detection lifting seat (12) and runs vertically and is locked by detection cylinder adjusting nuts (20) which are arranged above and below the detection cylinder mounting block (19).

3. The ladder sleeve detection mechanism based on visual inspection as claimed in claim 1, a detection column mounting seat (21) is arranged in the detection barrel (14), a detection column mounting block (23) is connected below the detection column mounting seat (21) through a detection column mounting spring (22), a detection column (16) penetrating through the detection cylinder (14) is arranged below the detection column mounting block (23), a contact inductor (17) is connected below the detection column (16), the diameter of the detection column (16) is smaller than that of a screw hole in a product, the outer side of the detection column mounting block (23) is arc-shaped, and is tangent with the inner wall of the detection cylinder (14), two vertical downward distance measuring devices (26) are arranged below the detection column mounting seat (21), and the central connecting line of the two distance measuring devices (26) forms an included angle of 30-60 degrees with the conveying direction.

4. The ladder sleeve detection mechanism based on visual detection as claimed in claim 1, wherein a detection column lifting sleeve (25) for sleeving the detection column mounting spring (22) is arranged below the detection column mounting seat (21), a detection column lifting sleeve (24) matched with the detection column lifting sleeve (25) in a sleeved mode is arranged on the upper side of the detection column mounting block (23), and a pressure sensor connected with the detection column mounting spring (22) is further arranged on the detection column mounting block (23).

5. The ladder sleeve detection mechanism based on visual inspection as claimed in claim 1, the side plate of the conveying groove (1) is lower than the product (4), the detection clamping device (5) comprises a clamping movable cylinder (31) which is arranged on the outer side of the side plate of the conveying groove (1) and is vertical to the conveying groove (1), the clamping movable cylinder (31) is connected with a clamping movable block (32), the clamping movable block (32) is connected with a clamping connecting rod (33) which is in tangent fit with the upper side surface of the side plate of the conveying chute (1), the blocking connecting rod (33) is connected with a blocking arc block (34) which is matched with the part of the product (4) exceeding the conveying groove (1), and one side of the blocking arc block (34) close to the tail end of the conveying groove (1) is provided with a blocking intercepting block (35), the front and back length of the blocking interception block (35) is larger than the radius of the product (4).

6. The ladder sleeve detection mechanism based on visual detection as claimed in claim 1, wherein the visual detection device (9) comprises a CCD detector (37) arranged below the upper frame (3), an air blowing sleeve (38) is sleeved below the CCD detector (37), and the air blowing sleeve (38) is communicated with an air pump (39) arranged below the upper frame (3) through a hose.

7. The ladder sleeve detection mechanism based on visual detection as claimed in claim 1, wherein a collection device (7) is fitted at the end of the conveying chute (1), the collection device (7) comprises a material receiving frame (41), two sets of material receiving lifting cylinders (42) are arranged in the material receiving frame (41), the material receiving lifting cylinders (42) are connected with material receiving blocks (43), the material receiving lifting cylinders (42) are in hinged fit with the material receiving blocks (43), when the material receiving blocks (43) are in a horizontal state, gaps are formed between the material receiving blocks (43) and the inner walls of the material receiving frame (41), qualified product discharge ports (44) and unqualified product discharge ports (45) are respectively formed in two sides of the material receiving frame, and the qualified product discharge ports (44) are communicated with a qualified product collection box (8) below the conveying chute (1).

Technical Field

The invention relates to the field of part detection equipment, in particular to a step sleeve detection mechanism based on visual detection.

Background

As shown in fig. 8, the ladder cover is a common locking part, two screw holes of echelonment have been seted up in it, and then can lock two parts that cup joint respectively, the structure similar with the shaft coupling, the most important parameter is exactly whether the center of two screw holes is on same straight line, whether moreover need detect its screw hole and have breach or fracture etc. promptly, breach and fracture mostly all adopt visual detection, and present detection mostly all adopts the spot check, select several samples to a batch of products, whether it has the breach fracture through visual detection, then whether the center of rethread graduated scale measurement ladder screw is on same straight line, but the result of spot check can't ensure the good of each product, consequently need to design an equipment that can accomplish visual detection and eccentric detection in succession automatically.

Disclosure of Invention

The invention aims to provide a ladder sleeve detection mechanism based on visual detection, which can be matched with a conveying device to finish the eccentric detection of a product through the structural design of a detection device, and can realize the continuous and orderly proceeding of the visual detection and the eccentric detection of the product by matching with the visual detection device, thereby improving the detection efficiency and realizing the whole detection.

In order to achieve the above purpose, the invention adopts the technical scheme that: a ladder sleeve detection mechanism based on visual detection comprises a conveying groove and an upper frame, wherein a conveying device is arranged in the conveying groove, the upper frame is sequentially provided with a visual detection device and an eccentric detection device which are matched with the product on the conveying device, and a side plate of the conveying groove is provided with a detection clamping device matched with a product below the eccentric detection device, the eccentricity detection device comprises a detection lifting cylinder arranged on the upper frame, a detection lifting seat is connected below the detection lifting cylinder, the center of the lower side of the detection lifting seat is provided with a detection cylinder, the diameter of the detection cylinder is smaller than the diameter of an outer screw hole of a product and larger than the diameter of an inner screw hole of the product, and a first touch induction screen and a second touch induction screen are respectively arranged below the detection lifting seat and the detection barrel, and the height difference of the first touch induction screen and the second touch induction screen is matched with the depth of the outer screw hole.

Preferably, the detection cylinder pass and detect the lift seat, and the upper portion outside of detection cylinder is provided with detection cylinder installation piece, detection cylinder installation piece and the detection cylinder adjusting screw who detects the vertical trend that sets up on the lift seat cup joint the cooperation, and through dividing the detection cylinder adjusting nut locking of arranging above detection cylinder installation piece and below.

Preferably, the inside detection post mount pad that is provided with of detection section of thick bamboo, detection post mount pad below have a detection post installation piece through detecting post installation spring coupling, the below of detection post installation piece be provided with the detection post of wearing out the detection section of thick bamboo, the below of detection post be connected with the contact inductor, the diameter of detection post be less than the diameter of screw hole in the product, the outside of detection post installation piece be the arc, and tangent with the inner wall of detection section of thick bamboo, detection post mount pad below be provided with two vertical decurrent distancers, and two distancer center line become 30-60 degrees contained angles with direction of delivery.

Preferably, detection post mount pad below be provided with the detection post lift section of thick bamboo including will detecting post installation spring housing, detection post installation piece upside be provided with detect post lift section of thick bamboo cup joint complex detection post lift cover, and detect still be provided with on the post installation piece with detect the pressure sensors of post installation spring coupling.

Preferably, the curb plate of conveyer trough be less than the height of product, the detection screens device including set up in the conveyer trough curb plate outside and with conveyer trough vertically screens activity cylinder, screens activity cylinder be connected with the screens movable block, the screens movable block be connected with the conveyer trough curb plate on the tangent complex screens connecting rod in side, the screens connecting rod be connected with and surpass the partial complex screens arc piece of conveyer trough with the product, and screens arc piece is close to the terminal one side of conveyer trough and is provided with screens interception piece, screens interception piece around length be greater than the radius of product.

Preferably, the visual detection device comprises a CCD detector arranged below the upper frame, an air blowing sleeve is sleeved below the CCD detector, and the air blowing sleeve is communicated with an air pump arranged below the upper frame through a hose.

Preferably, the terminal cooperation of conveyer trough have collection device, collection device including connecing the material frame, connect to be provided with two sets of material lift cylinders that connect in the material frame, connect material lift cylinder to be connected with and connect the material piece, and connect material lift cylinder and connect material piece for articulated cooperation, connect the material piece when being in the horizontality, it is gapped with connecing the material frame inner wall to connect the material piece, connect the both sides of material frame seted up certified products discharge gate and defective products discharge gate respectively, certified products discharge gate and conveyer trough below certified products collecting box intercommunication.

Drawings

FIG. 1 is a schematic structural diagram of a ladder sleeve detection mechanism based on visual detection;

FIG. 2 is a schematic structural diagram of an eccentricity detection device;

FIG. 3 is a schematic view of the mounting structure of the cartridge;

FIG. 4 is a schematic view of the mounting structure of the detection column;

FIG. 5 is a top view of the detection card device;

FIG. 6 is a schematic structural diagram of a visual inspection apparatus;

FIG. 7 is a schematic view of the structure of the collecting device;

fig. 8 is a schematic structural diagram of a product.

Drawing the text standard is represented as: 1. a conveying trough; 2. a conveying device; 3. putting the frame on; 4. producing a product; 5. detecting the clamping device; 6. an eccentricity detection device; 7. a collection device; 8. a qualified product collecting box; 9. a visual inspection device; 11. detecting a lifting cylinder; 12. detecting a lifting seat; 13. a first touch sensitive screen; 14. a detection cylinder; 15. a second touch sensitive screen; 16. a detection column; 17. a contact sensor; 18. a detection cylinder adjusting screw; 19. a detection cylinder mounting block; 20. detecting a barrel adjusting nut; 21. a detection column mounting base; 22. a spring is arranged on the detection column; 23. a detection column mounting block; 24. a detection column lifting sleeve; 25. a detection column lifting cylinder; 26. a range finder; 31. a clamping movable cylinder; 32. a clamping movable block; 33. a clamping connecting rod; 34. a clamping arc block; 35. a blocking block is blocked; 37. a CCD detector; 38. an air blowing sleeve; 39. an air pump; 41. a material receiving frame; 42. a material receiving lifting cylinder; 43. a material receiving block; 44. discharging qualified products; 45. and discharging a defective product.

Detailed Description

The following detailed description of the present invention is given for the purpose of better understanding technical solutions of the present invention by those skilled in the art, and the present description is only exemplary and explanatory and should not be construed as limiting the scope of the present invention in any way.

As shown in fig. 1-2, the specific structure of the present invention is: a ladder sleeve detection mechanism based on visual detection comprises a conveying groove 1 and an upper frame 3, wherein a conveying device 2 is arranged in the conveying groove 1, a visual detection device 9 and an eccentric detection device 6 which are matched with a product 4 on the conveying device 2 are sequentially arranged on the upper frame 3, a detection clamping device 5 which is matched with the product 4 below the eccentric detection device 6 is arranged on a side plate of the conveying groove 1, the eccentric detection device 6 comprises a detection lifting cylinder 11 arranged on the upper frame 1, a detection lifting seat 12 is connected below the detection lifting cylinder 11, a detection cylinder 14 is arranged at the center of the lower side of the detection lifting seat 12, the diameter of the detection cylinder 14 is smaller than that of an outer screw hole of the product 4 and larger than that of an inner screw hole of the product 4, a first touch induction screen 13 and a second touch induction screen 15 are respectively arranged below the detection lifting seat 12 and the detection cylinder 14, and the height difference between the first touch sensing screen 13 and the second touch sensing screen 15 is matched with the depth of the outer screw hole.

The product 4 is placed on the conveying device 2, the product passes through the lower part of the visual detection device 9 firstly through the conveying of the conveying device 2, the visual detection device 9 can carry out visual detection on the product to see whether cracks and gaps exist or not, if the visual detection is normal, the clamping and positioning can be carried out by the detection clamping device 5 in the continuous conveying process of the conveying device 2, otherwise, the product which is clamped by the detection clamping device 5 can be directly sent out from the tail end of the conveying device 2 when the visual detection is unqualified, the eccentric detection device can carry out eccentric detection on the product, the detection lifting seat 12 is driven to descend by the detection lifting cylinder 11, the first touch induction screen 13 and the second touch induction screen 15 synchronously descend, the first touch induction screen 13 is in contact with the upper end surface of the product, the second touch induction screen is in contact with the step surface of the step hole, and an induction area can be formed, the induction area can generate induction images, the induction areas of the two touch induction screens can generate the same images, and whether the step screw holes are eccentric or not relative to the whole product or not can be determined through image comparison, so that comprehensive eccentric detection is realized.

As shown in fig. 3, the detection cylinder 14 passes through the detection lifting seat 12, and a detection cylinder mounting block 19 is arranged on the outer side of the upper portion of the detection cylinder 14, and the detection cylinder mounting block 19 is in sleeve fit with a detection cylinder adjusting screw 18 arranged on the detection lifting seat 12 and moving vertically, and is locked by detection cylinder adjusting nuts 20 arranged above and below the detection cylinder mounting block 19.

In the detection process, the depth of the external thread is different according to different batches of products, so that the detection cylinder mounting block 19 can be positioned at the height part of the detection cylinder adjusting screw 18 by adjusting the two detection cylinder adjusting nuts 20, the height difference between the first touch induction screen 13 and the second touch induction screen 15 can be adjusted, and the detection method is suitable for detection of different batches of products.

As shown in fig. 4, the inside detection post mount 21 that is provided with of detection section of thick bamboo 14, detection post mount 21 below be connected with detection post installation piece 23 through detecting post installation spring 22, the below of detection post installation piece 23 be provided with and wear out the detection post 16 that detects section of thick bamboo 14, the below of detection post 16 be connected with contact inductor 17, the diameter of detection post 16 be less than the diameter of product screw hole, the outside of detection post installation piece 23 be the arc, and tangent with the inner wall that detects section of thick bamboo 14, detection post mount 21 below be provided with two vertical decurrent distancers 26, and two distancers 26 center connection line and direction of delivery become 30-60 degrees contained angles.

When carrying out eccentric detection, it is downthehole to detect post 16 and can insert the interior screw, contact inductor 17 can produce the contact sensing signal with the hole bottom, along with the decline that continues, it can contract to detect post installation spring 22, it can rise to detect post installation piece 23, produce the sensing signal until second touch-sensitive screen 15, can measure and detect the interval between the post installation piece through distancer 26 this moment, and then can calculate the degree of depth of interior screw, accomplish the interior screw depth detection, in the in-process that detects, because the design of two distancers 26, can ensure through whether the distance of the two tests is unanimous whether the slope appears in the post installation piece that detects.

As shown in fig. 4, a detection column lifting sleeve 25 is disposed below the detection column mounting seat 21, the detection column mounting spring 22 is sleeved with the detection column lifting sleeve 25, a detection column lifting sleeve 24 is disposed on the upper side of the detection column mounting block 23, and the detection column mounting block 23 is further provided with a pressure sensor connected with the detection column mounting spring 22.

Detect post installation piece 23 and go up and down the in-process, detect a post lift section of thick bamboo 25 and detect post lift cover 24 and be in the state of cup jointing all the time, can ensure to detect post installation piece 23 and can not appear inclining, whether the change situation that can also pass through pressure sensors simultaneously feeds back the test data of distancer accurate.

As shown in fig. 5, the curb plate of conveyer trough 1 be less than the height of product 4, detection screens device 5 including set up in the conveyer trough 1 curb plate outside and with conveyer trough 1 vertically screens activity cylinder 31, screens activity cylinder 31 be connected with screens movable block 32, screens movable block 32 be connected with conveyer trough 1 curb plate on tangent complex screens connecting rod 33 in the side, screens connecting rod 33 be connected with and surpass conveyer trough 1's partial complex screens arc block 34 with product 4, and screens arc block 34 is provided with screens interception piece 35 near conveyer trough 1 terminal one side, screens interception piece 35 around length be greater than product 4's radius.

Detect screens device's operation as follows, drive screens movable block 32 inward movement through screens activity cylinder 31 earlier, make screens arc piece 34 and the inboard parallel and level of curb plate, screens interception piece 35 at this moment can penetrate conveyor 2's top, intercept the product 4 that conveyor 2 carried, then continue to feed through screens activity cylinder 31 again, make screens slider 34 contact product and will produce 34 and promote the position with the curb plate laminating of conveyer trough 1, so accomplish the screens operation, can ensure the accuracy of screens.

As shown in fig. 6, the visual inspection device 9 includes a CCD detector 37 disposed below the upper frame 3, an air blowing sleeve 38 is sleeved below the CCD detector 37, and the air blowing sleeve 38 is communicated with an air pump 39 disposed below the upper frame 3 through a hose.

When the CCD detector 37 performs visual inspection, the air pump 39 operates to blow out dust that may adhere to the product, and at least the dust can be moved, and the change in the position of the dust is visually inspected to ensure whether there is a bump, thereby avoiding interference of the dust and ensuring a good visual inspection effect.

As shown in fig. 7, the end of the conveying trough 1 is matched with a collecting device 7, the collecting device 7 comprises a receiving frame 41, two sets of receiving lifting cylinders 42 are arranged in the receiving frame 41, the receiving lifting cylinders 42 are connected with receiving blocks 43, the receiving lifting cylinders 42 are in hinged fit with the receiving blocks 43, when the receiving blocks 43 are in a horizontal state, gaps are formed between the receiving blocks 43 and the inner walls of the receiving frame 41, qualified product discharge ports 44 and unqualified product discharge ports 45 are respectively formed in two sides of the receiving frame, and the qualified product discharge ports 44 are communicated with a qualified product collecting box 8 below the conveying trough 1.

The detected product 4 can be conveyed out from the conveying groove 1 and then can be received by the receiving block 43, if the detected product is a qualified product, different elongation quantities can appear in the two groups of receiving lifting cylinders 42, so that the receiving block 43 is inclined, the low position is positioned at the same side with the qualified product discharge port 44, the synchronous descending of the two groups of receiving lifting cylinders 42 can enable the product 4 to enter the qualified product collection chamber 8 from the qualified product discharge port 44, otherwise, if the detected product is an unqualified product, the different elongation quantities can appear in the two groups of receiving lifting cylinders 42, so that the receiving block 43 is inclined, the low position is positioned at the same side with the unqualified product discharge port 45, the product 4 can be discharged from the unqualified product discharge port 45 through the synchronous descending of the two groups of receiving lifting cylinders 42, and the separation is realized while the collection.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The principle and embodiments of the present invention have been described herein by way of specific examples, which are provided only to help understand the method and the core idea of the present invention, and the above is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes can be made without departing from the principle of the present invention, and the above technical features can also be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments.