CN112213937A - Automatic detection device of multistation - Google Patents

Abstract

The invention provides a multi-station automatic detection device, which comprises a fixed bracket, a detection device and a detection device, wherein the fixed bracket is arranged on the fixed bracket; the detection mechanism correspondingly and sequentially forms a first detection station, a second detection station and a fourth detection station of the detection dial plate; the positioning jig sequentially moves to the positions corresponding to the first detection station, the second detection station and the fourth detection station; the dial plate detection device comprises a positioning jig, a detection mechanism and a detection mechanism, wherein the upper surface of the positioning jig is provided with a material bearing cavity for bearing the dial plate, the detection mechanism comprises a positioning detection assembly, an appearance detection assembly and a size detection assembly, and partial detection structures in the positioning detection assembly, the appearance detection assembly and the size detection assembly are fixedly arranged on a fixed support and sequentially correspond to a first detection station, a second detection station and a fourth detection station.

Description

Automatic detection device of multistation

Technical Field

The invention belongs to the field of nonstandard automation, and particularly relates to a multi-station automatic detection device.

Background

In the non-standard automation field, it is known to detect a dial by means of a plurality of detectors in order to obtain a comprehensive data parameter. However, the inventor finds that at least the following problems exist in the existing dial detection process:

at first, detect dial plate size in-process, as the bearing base of wrist-watch, the complicated installation hole of a large amount of shapes that sets up on the dial plate detects such dial plate, needs a plurality of detectors multi-angle detection could obtain comprehensive detected data, because the more messenger of the quantity of detector detects the station increase to lead to that whole device is comparatively loaded down with trivial details, increased its area.

In view of the above, it is necessary to develop a multi-station automatic detection device to solve the above problems.

Disclosure of Invention

Aiming at the defects in the prior art, the invention mainly aims to provide the multi-station automatic detection device, and the detection assemblies corresponding to the detection stations share the same fixed support, so that the use of the fixed assemblies is reduced, the structure of the device is simplified, and the floor area of the device is reduced.

To achieve the above objects and other advantages in accordance with the present invention, there is provided a multi-station automatic inspection apparatus, comprising:

fixing a bracket;

the detection mechanism correspondingly and sequentially forms a first detection station, a second detection station and a fourth detection station of the detection dial plate; and

the positioning jig sequentially moves to the positions corresponding to the first detection station, the second detection station and the fourth detection station;

the material bearing cavity used for bearing the dial plate is formed in the upper surface of the positioning jig, the detection mechanism comprises a positioning detection assembly, an appearance detection assembly and a size detection assembly, and partial detection structures in the positioning detection assembly, the appearance detection assembly and the size detection assembly are fixedly installed on the fixed support and sequentially correspond to the first detection station, the second detection station and the fourth detection station.

Preferably, the shape detection assembly and the size detection assembly are mounted on one side of the fixed bracket, and the positioning detection assembly is mounted on the other side of the fixed bracket;

the appearance detection assembly and the size detection assembly are arranged on two sides of the positioning detection assembly, so that the first detection station, the second detection station and the fourth detection station form an arrangement structure in annular arrangement.

Preferably, the positioning jig penetrates through the material bearing cavity up and down, and one side of the positioning jig is opened to form an opening and communicated with the material bearing cavity;

the positioning detection assembly comprises a first detection module arranged above the first detection station and a backlight source corresponding to the lower part of the first detection station;

the size detection assembly comprises a bottom detection module arranged below the fourth detection station, and the bottom detection module is arranged on a bottom plate;

the bottom plate extends to first detection station below position, the backlight fixed mounting be in on the bottom plate.

Preferably, the size detection assembly comprises a side hole detection module and a backlight module corresponding to the side hole detection module, one end of the backlight module is mounted on the fixed support, and the other end of the backlight module is close to the material bearing cavity, so that light generated by the backlight module irradiates the material bearing cavity.

Preferably, a light guide plate is vertically installed on the irradiation end face of the backlight module;

the light guide plate comprises a light guide part, and when the light guide part extends into the material bearing cavity, light generated in the backlight module is refracted to the side hole detection module through the light guide part.

Preferably, the backlight module comprises an auxiliary light source for providing light, and the auxiliary light source is arranged in parallel with the upper surface of the positioning jig;

the light guide plate also comprises a connecting part, the connecting part and the light guide part are integrally combined to form a T-shaped refraction structure, a sleeve hole penetrating through the side face of the connecting part is formed in the connecting part, and the light guide plate is sleeved in the sleeve hole through the auxiliary light source so as to be connected with the auxiliary light source.

Preferably, the positioning detection assembly comprises a first detection module, and the first detection module is arranged on two sides of the first detection station;

the first detection module comprises a first visual detection part and an extension plate for bearing the first visual detection part;

the extension plate is installed on the fixed support so that the extension plate is in a vertical state or a flat state, and therefore the first visual detection parts arranged on two corresponding sides of the first detection station are in non-collinear positions.

Preferably, the positioning and detecting assembly further comprises a second detecting module, and the second detecting module is located above the first detecting station;

the number of the second detection modules is two, and the two second detection modules are symmetrically arranged on two sides of the first detection station and are inclined relative to the horizontal plane where the first detection station is located.

Preferably, the shape detection assembly comprises an upper detection module and a lower detection assembly, the upper detection module is mounted on the fixed support and is positioned above the second detection station, and the lower detection assembly is positioned below the second detection station;

the lower detection assembly comprises an upper detection module and a first linear driving module for driving the upper detection module;

the lower detection module comprises a light source and a bottom detector which correspond to the upper detection module, and the light source and the bottom detector sequentially move to positions right below the second detection station under the driving of the first linear driving module.

Preferably, the lower detection module further comprises a connecting support, and the connecting support comprises a bottom plate in transmission connection with the first linear driving module and a first bearing part vertically arranged on the bottom plate and extending towards the positioning jig;

the bottom detector is mounted on the side wall of the first receiving part, and the light source is mounted at the top end of the first receiving part.

Compared with the prior art, the invention has the beneficial effects that:

according to the multi-station automatic detection device, the detection assemblies corresponding to the first detection station, the second detection station and the fourth detection station share the same fixing support, so that the use of the fixing assemblies is reduced, the structure is more compact, the structure of the device is simplified, the floor area of the device is reduced, and the multi-station automatic detection device is simple in structure and convenient to use.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. The detailed description of the present invention is given in detail by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:

FIG. 1 is a schematic perspective view of a preferred embodiment of the present invention;

FIG. 2 is a top view of a portion of the structure of the present invention in a preferred embodiment;

FIG. 3 is a perspective view of a positioning assembly in accordance with a preferred embodiment of the present invention;

FIG. 4 is an enlarged partial schematic view of FIG. 3;

FIG. 5 is a bottom view of a portion of the positioning assembly of the present invention in a preferred embodiment;

FIG. 6 is a front view of the profile sensing assembly in a preferred embodiment of the present invention;

FIG. 7 is a schematic perspective view of a lower inspection module according to a preferred embodiment of the present invention;

FIG. 8 is a schematic view of a portion of the configuration of the contour sensing assembly in a preferred embodiment of the present invention;

FIG. 9 is a perspective view of a size detection assembly in accordance with a preferred embodiment of the present invention;

FIG. 10 is a front view of a size detection assembly in a preferred embodiment of the present invention;

FIG. 11 is a schematic perspective view of a backlight module according to a preferred embodiment of the present invention;

fig. 12 is a schematic perspective view of a positioning fixture according to a preferred embodiment of the present invention;

FIG. 13 is a partially enlarged view of FIG. 12

Fig. 14 is a cross-sectional view of a positioning jig according to a preferred embodiment of the present invention.

Shown in the figure:

1. a positioning assembly;

11. a first detection module;

111. a first mounting table; 112. a stretching plate; 113. a first visual detection unit;

12. a second detection module; 121. a second visual detection unit; 122. a second mounting table;

13. fixing a bracket; 131. a column; 132. a cross beam;

14. a backlight source;

2. a shape detection assembly;

21. a lower detection module;

211. connecting a support;

2111. a first receiving part; 2112. a base plate; 2113. a second receiving part;

2114. a top plate;

212. a line scan detector;

213. a light source;

214. a bottom detector;

22. an upper detection module;

23. a first linear driving module;

24. a second linear driving module; 241. a driver; 242. a power output end; 243. mounting a plate;

4. a size detection assembly;

41. a side hole detection module; 411. a detector body; 412. a front light source;

42. a backlight module;

421. an auxiliary light source; 422. a vertical driver; 423. a light guide plate; 4231. sleeving a hole; 424. a connecting plate; 4241. a hole of abdication;

43. a bottom detection module;

44. adjusting the driving module; 441. a first horizontal driving section; 442. a second horizontal driving section; 443. a mounting seat;

45. a light source;

46. a base plate; 461. a substrate body; 462. a clamping block;

52. positioning a jig;

521. a base;

5211. an extension portion;

5212. a support plate;

5214. a let position port;

5216. a material blocking end;

5217. a material bearing block;

5218. a stopper;

526. an adjusting module;

5261. a screw; 5262. positioning an adjusting block; 5263. a buffer block; 5264. a reset member;

8. a dial plate; 81. a surface ear; 82. an inner bore.

Detailed Description

The foregoing and other objects, features, aspects and advantages of the present invention will become more apparent to those skilled in the art from the following detailed description, which, taken in conjunction with the annexed drawings, discloses a full and partial embodiment of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In the drawings, the shape and size may be exaggerated for clarity, and the same reference numerals will be used throughout the drawings to designate the same or similar components.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and claims of the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a," "an," or "the" and similar referents do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprise" or "comprises", and the like, means that the element or item listed before "comprises" or "comprising" covers the element or item listed after "comprising" or "comprises" and its equivalents, and does not exclude other elements or items. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, and the like are used based on the orientation or positional relationship shown in the drawings. In particular, "height" corresponds to the dimension from top to bottom, "width" corresponds to the dimension from left to right, and "depth" corresponds to the dimension from front to back. These relative terms are for convenience of description and are not generally intended to require a particular orientation. Terms concerning attachments, coupling and the like (e.g., "connected" and "attached") refer to a relationship wherein structures are secured or attached, either directly or indirectly, to one another through intervening structures, as well as both movable or rigid attachments or relationships, unless expressly described otherwise.

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.

In the technical solution of the present invention, referring to fig. 1 and 2, there is shown a multi-station automatic detection device, which includes a fixed bracket 13;

the detection mechanism correspondingly and sequentially forms a first detection station, a second detection station and a fourth detection station of the detection dial plate 8; and

the positioning jig 52 sequentially moves to the positions corresponding to the first detection station, the second detection station and the fourth detection station, and a material bearing cavity for bearing the dial plate 8 is formed on the upper surface of the positioning jig 52;

wherein, the detection mechanism comprises a positioning detection component which is arranged on one side of the fixed bracket 13; the shape detection member 2, and

the size detection assembly 4 comprises a side hole detection module 41 and a backlight module 42 corresponding to the side hole detection module 41;

and part of detection structures in the positioning detection assembly, the appearance detection assembly 2 and the size detection assembly 4 are fixedly arranged on the fixed support 13 and sequentially correspond to the first detection station, the second detection station and the fourth detection station.

The detection components corresponding to the first detection station, the second detection station and the fourth detection station share the same fixed support 13, so that the use of the fixed components is reduced, the structure is more compact, the structure of the device is simplified, the floor area of the device is reduced, and if the positioning detection component, the appearance detection component 2 and the size detection component 4 are arranged on different supports, the supports are necessarily arranged at positions far away from the detection stations in order to avoid interference among the supports, so that the floor area of the device is increased; in this embodiment, the fixing bracket 13 is disposed above the first detection station, the second detection station, and the fourth detection station, and specifically, the fixing bracket 13 is disposed above the second detection station and the fourth detection station in a cross-frame manner, which can greatly reduce the floor area of the device.

The appearance detection assembly 2 and the size detection assembly 4 are arranged on one side of the fixed support 13, and the positioning detection assembly is arranged on the other side of the fixed support 13;

the appearance detection assembly 2 and the size detection assembly 4 are arranged on two sides of the positioning detection assembly, so that the first detection station, the second detection station and the fourth detection station form an annular arrangement structure, the positioning detection assembly, the appearance detection assembly 2 and the size detection assembly 4 are conveniently arranged on the peripheries of the first detection station, the second detection station and the fourth detection station by arranging the first detection station, the second detection station and the fourth detection station in an annular structure, the layout of the whole device is more compact by adopting a reasonable layout mode, the area of the detection device is further reduced, meanwhile, the annular layout mode is convenient to realize the circular movement, the positioning jig 52 is convenient to sequentially move to the first detection station, the second detection station and the fourth detection station and circularly reciprocate, and the automation level is improved, the detection efficiency is improved.

In a preferred embodiment, the positioning detection component is used for detecting one of the positioning jigs 52; side hole detection module 41 is used for detecting another positioning jig 52, backlight unit 42 include auxiliary light source 421 and with the vertical driver 422 that auxiliary light source 421 transmission is connected, vertical driver 422 is installed on the opposite side of fixed bolster 13, auxiliary light source 421 passes through vertical driver 422 drive is followed the vertical direction and is stretched into hold the material intracavity, through a fixed bolster 13 of location detection subassembly and size detection subassembly 4 common use, because fixed bolster 13 span distance is great, if use a plurality of fixed bolsters 13 to produce easily and interfere, then must increase the volume of device, consequently, a common fixed bolster 13, simplify detection device's structure, reduce the area of device for it is compacter.

Referring to fig. 12, the dial 8 is in an annular structure, the inside of the dial 8 is hollow and penetrates up and down to form a central hole, the side wall of the dial 8 is in an arc shape, meanwhile, a plurality of through holes with different shapes are formed in the side wall of the dial 8, specifically, three through holes with different shapes are formed in one side of the dial 8, an inner hole 82 which is inclined relative to the inner wall of the dial 8 is formed in the dial 8, and the inner hole 82 needs to be detected in the detection process to determine the shape and the size of the inner hole; inwards sunken table ear 81 has been seted up on the relative both sides wall of dial plate 8, specifically, is provided with a through-hole in the table ear 81 of one side wherein, and this through-hole does not set up in the central point department of putting of dial plate 8, when dial plate 8 places in fixed position department on positioning jig 52, because dial plate 8 shape is regular, the dial plate 8 puts the opposite direction or puts the opposite problem of gesture easily appearing.

The base 521 is used as a connecting frame of the positioning jig 52, and other parts in the positioning jig 52 are structurally installed on the base 521, so that all parts are connected to form a whole; the base 521 includes a support plate 5212 and extensions 5211, the extensions 5211 being disposed on both sides of the dial 8 for limiting the position of the dial 8;

in a specific embodiment, the support plate 5212 is integrally joined to the extension 5211 to form an L-shaped base 521.

A through hole 52111 is formed in a position of the sidewall of the extending portion 5211 corresponding to the first detecting module 11, and the through holes 52111 respectively correspond to the first detecting modules 11 on two sides, so that the first detecting module 11 can detect the through hole of the dial 8 through the through hole 52111.

As shown in fig. 3-5, the positioning detection assembly includes a detection module, which is mounted on the fixing bracket 13; the detection modules comprise at least two first detection modules 11, the number of the first detection modules 11 is at least two, the first detection modules 11 are arranged at two corresponding side positions of the dial plate 8 and are arranged in a non-collinear way, the first detection modules 11 arranged at two sides are in a staggered state so as to correspond to the dial plate 8 with two placing postures (specifically, one placing posture is that the dial plate 8 is normally placed at a fixed position, and the other placing posture is that the dial plate 8 is horizontally rotated 180 degrees along the central axis and then placed at a fixed position), in the two cases, the first detection modules 11 can detect through holes on the dial plate 8, the through holes are detected from two sides of the dial plate 8 through the staggered first detection modules 11 so as to determine the placing position of the dial plate 8, so that the detection efficiency is improved, and one of the first detection modules 11 at two sides detects the through holes on the dial plate 8, the correct placing position of the dial plate 8 can be judged.

The first detection module 11 comprises a first visual detection part 113 and an extension plate 112 for being placed on the first visual detection part 113;

the fixing bracket 13 includes a column 131 erected on a base surface, and the extending plate 112 is mounted on the column 131 so that the extending plate 112 is in a vertical state or a flat state, so that the first visual detection part 113 is in a non-collinear position.

The upper surface of the extending plate 112 is provided with a receiving block extending vertically upwards, and the first visual inspection part 113 is clamped by the receiving block and a clamping block 114 to fix the position of the first visual inspection part 113.

Furthermore, in order to cooperate with the first detection module 11 to position the dial 8, subsequently, the detection module further includes a second detection module 12, the second detection module 12 is disposed above the positioning fixture 52, and the second detection module 12 detects the inner hole 82 in the dial 8;

the fixing bracket 13 comprises upright posts 131 and a cross beam 132 transversely arranged between the upright posts 131, and the upright posts 131 and the cross beam 132 are connected to form a mounting bracket structure for fixing the detection module;

the positioning fixture 52 is disposed below the cross beam 132, and the second detection module 12 is mounted on the cross beam 132.

The number of the second detection modules 12 is two, and the two second detection modules 12 are symmetrically arranged relative to the positioning jig 52, in a preferred embodiment, the first detection module 11 is used for controlling the two corresponding pairs of inner holes 52 in the second detection modules 12 to detect according to the positioning result of the dial plate 8, even if the dial plate 8 is placed in two postures, the second detection modules 12 can still detect the inner holes 82 in the dial plate 8, so that the fault tolerance rate is improved, the position of the dial plate 8 does not need to be adjusted, and the detection efficiency is improved.

The second detecting module 12 includes a second visual detecting portion 121 and a second mounting table 122 for receiving the second visual detecting portion 121, the second mounting table 122 is mounted on the fixing bracket 13, and the second visual detecting portion 121 is mounted on the second mounting table 122 so that the second visual detecting portion 121 is inclined relative to the dial 8 on the positioning fixture 52.

A backlight source 14 is disposed below the positioning fixture 52 for providing a light source for the second detecting module 12, and the backlight source 14 is disposed in a corner space formed by the supporting plate 5212 and the extending portion 5211.

The extension parts 5211 are arranged on two sides of the dial plate 8, and a projection for supporting the dial plate 8 is mounted at the bottom of the extension part 5211; in a specific embodiment, the protrusion is a material holding block 5217 which is arranged at the bottom of the extension portion 5211 and extends inwards, so that part of the dial plate 8 is arranged on the material holding block 5217, thereby limiting the dial plate 8 between the two extension portions 5211, and meanwhile, a protruding blocking portion 5218 is further arranged on the inner wall of the extension portion 5211, thereby enabling the distance between the two extension portions 5211 to be consistent with the width of the dial plate 8, so as to accurately hold the dial plate 8 in the material holding space.

The material holding space is formed between the two extending portions 5211, and the positioning jig 52 further includes a fixing portion for fixing the dial 8 in the material holding space.

As shown in fig. 12-14, in a preferred embodiment, the outward end of the extension portion 5211 forms an opening, and the inner side wall of the opening is provided with a blocking end 5216;

the appearance detection assembly 2 comprises an upper detection assembly and a lower detection assembly, an upper detection module 22 corresponding to the material bearing cavity is arranged in the upper detection assembly, and the lower detection assembly comprises a lower detection module 21 and a first linear driving module 23 for driving the lower detection module 21;

the lower detection module 21 comprises a light source 213 and a bottom detector 214 corresponding to the upper detection module 22, and the light source 213 and the bottom detector 214 sequentially move to the position right below the material receiving cavity under the driving of the first linear driving module 23;

when the light source 213 moves to the position right below the material bearing cavity, the upper detection assembly detects the dial plate 8 placed in the material bearing cavity from top to bottom, and when the bottom detector 214 moves to the position right below the material bearing cavity, the bottom detector 214 detects the dial plate 8 in the material bearing cavity from the lower direction, at least two parameters can be detected through the detectors arranged up and down, and the structure of the mechanism is reduced through reasonable layout; meanwhile, the first linear driving module 23 drives the bottom detector 214 and the light source 213 to move, so that the bottom detector 214 and the light source 213 sequentially move to the position under the material bearing cavity for detection operation, the same driver is used for driving the two parts to move, switching is realized, the use of driving equipment is reduced, and the structure is simplified.

As shown in fig. 6-8, specifically, the lower detection module 21 further includes a connecting support 211, where the connecting support 211 includes a bottom plate 2112 in transmission connection with the first linear driving module 23, and a first receiving portion 2111 vertically disposed on the bottom plate 2112 and extending toward the positioning fixture 52;

the bottom detector 214 is mounted on a side wall of the first bay 2111, and the light source 213 is mounted on a top end of the first bay 2111.

The number of the bottom detectors 214 is two, the bottom detectors 214 are disposed on two sides of the light source 213, two inclined bottom holes are disposed on two corresponding bottom side edges of the dial 8, the bottom detectors 214 are inclined with respect to the extension portion 5211 to respectively correspond to the two bottom holes, the two bottom detectors 214 are symmetrically disposed with respect to the light source 213, and the first linear driving module 23 drives the bottom detectors 214 to move to detect the two bottom holes.

The lower detection module 21 further includes a line-scan detector 212, the line-scan detector 212 is disposed at a side close to the opening, the line-scan detector 212 is used for detecting a side surface of the dial 8, a second receiving portion 2113 is vertically disposed on the bottom plate 2112, and the line-scan detector 212 is mounted on a top portion of the second receiving portion 2113; the line-scan detector 212 is located higher than the light source 213, the detecting end of the line-scan detector 212 faces the direction of the light source 213, and the line-scan detector 212 moves along the side direction of the dial 8 under the driving of the first linear driving module 23, so as to detect the side of the dial 8.

The linear scanning detector 212 and the bottom detector 214 share a driving device, thereby reducing the structure inside the mechanism and simplifying the mechanism.

The upper detection assembly further comprises a second linear driving module 24, the second linear driving module 24 is mounted on the cross beam 132 of the fixed bracket 13, and the upper detection module 22 is in transmission connection with the second linear driving module 24; the upper detection module 22 is driven by the second linear driving module 24 to reciprocate in the vertical direction so as to adjust the distance between the upper detection module 22 and the material bearing cavity, and the upper detection module 22 is a visual detector and obtains clearer imaging by adjusting the distance between the upper detection module 22 and the dial plate 8.

As shown in fig. 9 to 11, the size detection assembly 4 includes a side hole detection module 41, which is disposed near one side of the positioning fixture 52, specifically, the side hole detection module 41 is disposed outside the positioning fixture 52 on which the dial 8 is placed near one side of the three through holes, and the side hole detection module 41 detects parameters of the through holes; and

the backlight module 42 includes an auxiliary light source 421 and a vertical driver 422 for driving the auxiliary light source 421 to extend into the material holding cavity, and the auxiliary light source 421 irradiates from the central hole 84 toward the through hole, so that the auxiliary light source 421 and the side hole detection module 41 are respectively located at two sides of the side wall of the dial 8 with the through hole.

The side hole detection module 41 comprises a detector body 411 and a front light source 412 installed at the detection end of the detector body 411;

one side of the positioning fixture 52 is open to form an opening and is communicated with the material holding cavity, the front light source 412 is disposed between the opening and the detector body 411, and the auxiliary light source 421 correspondingly irradiates the opening direction.

The front light source 412 irradiates an image formed by three through holes on the side surface of the dial 8, because the image is provided with a chamfer, the image can be formed only by the outermost hole, the image comprises an inner hollow hole and a chamfer part, the inner hollow hole diameter cannot be detected, the image is formed by irradiating the image by the backlight module 42 and imaging the detector body 411, and because the backlight module 42 can only penetrate through the hollow of the through holes, the formed image can simply detect the size of the hollow hole diameter, so that different detection requirements can be met, the detection parameters are more comprehensive, and the detection precision is higher.

The backlight module 42 further includes a light guide plate 423, and the light guide plate 423 is vertically installed on an irradiation end surface of the auxiliary light source 421;

the light guide plate 423 includes a light guide portion, when the light guide portion extends into the material receiving cavity, light in the auxiliary light source 421 is refracted to the opening through the light guide portion, so as to avoid that the auxiliary light source 421 interferes with the dial 8 when extending into the dial 8, and the dial 8 or the auxiliary light source 421 is damaged by collision, and therefore, the light guide plate 423 extends into the dial 8.

The light guide plate 423 further comprises a connecting portion, the connecting portion and the light guide portion are integrally combined to form a T-shaped refraction structure, a sleeving hole 4231 penetrating through the side face of the connecting portion is formed in the connecting portion, the light guide plate 423 is sleeved in the sleeving hole 4231 in a penetrating mode through the auxiliary light source 421, so that the light guide plate 423 is connected with the auxiliary light source 421, and the light guide plate 423 and the auxiliary light source 421 are connected simply and conveniently to assemble and disassemble.

The front light source 412 is in a ring-shaped structure and is circumferentially arranged at an edge position of the detector body 411.

The adjusting driving module 44 is further included, the side hole detecting module 41 is in transmission connection with the adjusting driving module 44, the adjusting driving module 44 drives the side hole detecting module 41 to move in the horizontal direction, and the side hole detecting module 41 is adjusted to correspond to the through hole in the side wall of the dial;

in a preferred embodiment, the adjusting driving module 44 includes a first horizontal driving portion 441 and a second horizontal driving portion 442 in transmission connection with the first horizontal driving portion 441, and the side hole detecting module 41 is mounted on a power output end of the second horizontal driving portion 442;

the side hole detecting module 41 is driven by the first horizontal driving portion 441 and the second horizontal driving portion 442, so that the side hole detecting module 41 moves in the horizontal direction to meet the requirement of imaging quality.

The adjusting driving module 44 further includes a mounting seat 443, and the side hole detecting module 41 is mounted on the top of the mounting seat 443;

specifically, the driving direction of the first horizontal driving portion 441 is perpendicular to the driving direction of the second horizontal driving portion 442, the first horizontal driving portion 441 drives the second horizontal driving portion 442 to move in the direction parallel to the dial 8, and the second horizontal driving portion 442 drives the mounting base 443 to move toward the dial 8.

This detection mechanism still includes bottom detection module 43, and it sets up the below of extension 5211, backlight unit 42 sets up extension 5211 top, and its detectable dial plate 8's bottom to conveniently obtain more dial plate 8's dimensional parameter, under the prerequisite that does not reduce the detection parameter, through reasonable overall arrangement, simplify the detection station, make whole mechanism compacter.

The bottom detection module 43 is mounted on a bottom plate 46, a light source 45 is disposed between the bottom detection module 43 and the positioning fixture 52, and the light source 45 is mounted on the bottom plate 46.

The base plate 46 includes a substrate body 461, and the light source 45 is disposed on an upper surface of the substrate body 461; the bottom detection module 43 clamps and fixes the bottom detection module 43 on the sidewall of the substrate body 461 through a clamping block 462; the bottom plate 46 extends toward the positioning detection assembly, so that the backlight source 14 is mounted on the bottom plate 46, and the positioning detection assembly and the size detection assembly 4 share a substrate, thereby connecting the whole device into a whole.

The fixing part comprises an adjusting module 526, the adjusting module 526 is mounted on the supporting plate 5212, and the pushing end of the adjusting module 526 extends into the material bearing space;

the dial plate 8 is pushed to the other side by the pushing end of the adjusting module 526 and is pressed on the material blocking end 5216, so that the dial plate 8 is fixed in the material bearing space.

The adjusting module 526 comprises a positioning adjusting block 5262, a guide groove for the positioning adjusting block 5262 to slide is formed in the support plate 5212, at least part of the positioning adjusting block 5262 slides in the guide groove, and a reset piece 5264 is arranged between the guide groove and the adjusting block 5262;

the position regulating block 5262 is oriented along the guide groove by the elastic restoring force of the restoring member 5264, and one end thereof pushes the dial 8 so that the dial 8 is pressed against the material blocking end 5216.

The adjusting module 526 further comprises a screw 5261, the screw 5261 is in threaded connection with the positioning adjusting block 5262, and the reset piece 5264 is a spring so as to be sleeved outside the screw 5261 and provide an acting force for pressing the setting dial 8 for the positioning adjusting block 5262; the position of the positioning adjusting block 5262 can be adjusted by rotating the screw 5261, so that the area of a material bearing space is adjusted to be suitable for workpieces with different sizes; meanwhile, an elastic buffer block 5263 is mounted on the end of the positioning adjustment block 5262 close to the dial 8, so that the buffer block 5263 is buffered when the dial 8 is pressed to avoid damage to the dial 8 by rigid contact.

The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner; those skilled in the art can readily practice the invention as shown and described in the drawings and detailed description herein; however, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the scope of the invention as defined by the appended claims; meanwhile, any changes, modifications, and evolutions of the equivalent changes of the above embodiments according to the actual techniques of the present invention are still within the protection scope of the technical solution of the present invention.

Claims (10)

1. The utility model provides an automatic checkout device of multistation which characterized in that includes:

a fixed bracket (13);

the detection mechanism correspondingly and sequentially forms a first detection station, a second detection station and a fourth detection station of the detection dial (8); and

the positioning jig (52) sequentially moves to the positions corresponding to the first detection station, the second detection station and the fourth detection station;

the material bearing cavity used for bearing the dial plate (8) is formed in the upper surface of the positioning jig (52), the detection mechanism comprises a positioning detection assembly, an appearance detection assembly (2) and a size detection assembly (4), and partial detection structures in the positioning detection assembly, the appearance detection assembly (2) and the size detection assembly (4) are fixedly installed on the fixed support (13) and sequentially correspond to the first detection station, the second detection station and the fourth detection station.

2. The automatic detection device according to claim 1, characterized in that the shape detection assembly (2) and the size detection assembly (4) are mounted on one side of the fixed support (13), and the positioning detection assembly is mounted on the other side of the fixed support (13);

the appearance detection assembly (2) and the size detection assembly (4) are arranged on two sides of the positioning detection assembly, so that the first detection station, the second detection station and the fourth detection station form an arrangement structure in annular arrangement.

3. The automatic detection device according to claim 1 or 2, wherein the positioning fixture (52) penetrates up and down to form the material-bearing cavity, and one side of the positioning fixture (52) is open to form an opening and is communicated with the material-bearing cavity;

the positioning detection assembly comprises a first detection module (11) arranged above the first detection station and a backlight source (14) corresponding to the lower part of the first detection station;

the size detection assembly (4) comprises a bottom detection module (43) arranged below the fourth detection station, and the bottom detection module (43) is installed on a bottom plate (46);

the bottom plate (46) extends to a position below the first detection station, and the backlight source (14) is fixedly installed on the bottom plate (46).

4. The automatic detection device according to claim 1, wherein the size detection assembly (4) comprises a side hole detection module (41) and a backlight module (42) corresponding to the side hole detection module (41), one end of the backlight module (42) is mounted on the fixing bracket (13) and the other end thereof is close to the material receiving cavity, so that light generated by the backlight module (42) is irradiated in the material receiving cavity.

5. The automatic detection device according to claim 4, wherein a light guide plate (423) is vertically mounted on an irradiation end face of the backlight module (42);

the light guide plate (423) comprises a light guide part, and when the light guide part extends into the material bearing cavity, light generated in the backlight module (42) is refracted to the side hole detection module (41) through the light guide part.

6. The automatic detection device according to claim 5, wherein the backlight module (42) comprises an auxiliary light source (421) for providing light, the auxiliary light source (421) is disposed in parallel with the upper surface of the positioning fixture (52);

the light guide plate (423) further comprises a connecting part, the connecting part and the light guide part are integrally combined to form a T-shaped refraction structure, a sleeving hole (4231) penetrating through the side face of the connecting part is formed in the connecting part, and the light guide plate (423) is sleeved in the sleeving hole (4231) in a penetrating mode through the auxiliary light source (421), so that the light guide plate is connected with the auxiliary light source (421).

7. The automatic detection device according to claim 1, characterized in that said positioning detection assembly comprises a first detection module (11), said first detection module (11) being arranged on both sides of said first detection station;

the first detection module (11) comprises a first visual detection part (113) and an extension plate (112) used for being placed on the first visual detection part (113);

the extension plate (112) is mounted on the fixing bracket (13) so that the extension plate (112) is in a vertical state or a flat state, whereby the first visual inspection parts (113) disposed at the corresponding both sides of the first inspection station are at non-collinear positions.

8. The automatic detection device according to claim 7, characterized in that said positioning detection assembly further comprises a second detection module (12), said second detection module (12) being located above said first detection station;

the number of the second detection modules (12) is two, and the two second detection modules (12) are symmetrically arranged on two sides of the first detection station and are inclined relative to the horizontal plane where the first detection station is located.

9. The automatic detection device according to claim 1, characterized in that said profile detection assembly (2) comprises an upper detection module (22) and a lower detection assembly, said upper detection module (22) being mounted on said fixed support (13) so as to be located above said second detection station, said lower detection assembly being located below said second detection station;

the lower detection assembly comprises an upper detection module (22) and a first linear driving module (23) for driving the upper detection module (22);

the lower detection module (21) comprises a light source (213) and a bottom detector (214) which correspond to the upper detection module (22), and the light source (213) and the bottom detector (214) sequentially move to positions right below the second detection station under the driving of the first linear driving module (23).

10. The automatic detection device according to claim 9, characterized in that the lower detection module (21) further comprises a connecting support (211), the connecting support (211) comprises a bottom plate (2112) in transmission connection with the first linear drive module (23) and a first receiving portion (2111) vertically arranged on the bottom plate (2112) and extending towards the positioning jig (52);

the bottom detector (214) is mounted on a side wall of the first bay (2111), and the light source (213) is mounted on a top end of the first bay (2111).

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