CN115123825B - Dual-channel workpiece appearance detection assembly line - Google Patents
Dual-channel workpiece appearance detection assembly line Download PDFInfo
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- CN115123825B CN115123825B CN202210877821.8A CN202210877821A CN115123825B CN 115123825 B CN115123825 B CN 115123825B CN 202210877821 A CN202210877821 A CN 202210877821A CN 115123825 B CN115123825 B CN 115123825B
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/90—Devices for picking-up and depositing articles or materials
- B65G47/91—Devices for picking-up and depositing articles or materials incorporating pneumatic, e.g. suction, grippers
- B65G47/918—Devices for picking-up and depositing articles or materials incorporating pneumatic, e.g. suction, grippers with at least two picking-up heads
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/361—Processing or control devices therefor, e.g. escort memory
- B07C5/362—Separating or distributor mechanisms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/38—Collecting or arranging articles in groups
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G37/00—Combinations of mechanical conveyors of the same kind, or of different kinds, of interest apart from their application in particular machines or use in particular manufacturing processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
- B65G43/08—Control devices operated by article or material being fed, conveyed or discharged
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Specific Conveyance Elements (AREA)
Abstract
The invention discloses a double-channel workpiece appearance detection assembly line, which comprises the following components: a workpiece transport transfer mechanism, the workpiece transport transfer mechanism comprising: the conveying line is sequentially provided with a feeding station, a detecting station and a discharging station along the conveying direction; the feed bin unit is arranged beside the feeding station of the conveying line; the recycling bin unit is arranged beside the blanking station of the conveying line; at least two groups of detection units, wherein each group of detection units is respectively arranged at the side of the detection station of a corresponding conveying line; and at least two groups of workpiece transfer mechanisms, wherein each group of workpiece transfer mechanisms is respectively arranged at a feeding station and a discharging station of the conveying line. According to the invention, the structure is compact, the related parts are fewer, the structural redundancy is reduced while the overall structural strength is ensured, the feeding and discharging steps and the transferring steps are simplified, the working efficiency is improved, and the working efficiency is finally improved.
Description
Technical Field
The present invention relates to the field of nonstandard automation. More particularly, the invention relates to a two-channel workpiece appearance inspection assembly line.
Background
In the field of nonstandard automation, it is known to use appearance detection devices of different structural forms to achieve appearance detection of a workpiece. In the process of researching and realizing appearance detection of a workpiece, the inventor finds that the appearance detection device in the prior art has at least the following problems:
firstly, the existing device has a complex structure, involves more parts and has complicated structural redundancy; secondly, the existing device needs more steps of manual assistance, is used as periodic labor, has low working efficiency, needs rotary scanning for appearance detection of the columnar workpiece, expands a curved surface of the columnar workpiece into a plane for processing and judging surface quality, is essential for concentric positioning, has high concentric positioning precision requirement, and has low detection efficiency due to low concentric positioning precision; finally, the spacing between different suction heads can not be adjusted when the existing device sucks workpieces, and a plurality of different devices are required to be adopted for sucking workpieces with different sizes and different spacing, so that the working efficiency is low.
In view of the foregoing, there is a need for a dual-channel workpiece appearance inspection line to solve the above problems.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention mainly aims to provide a double-channel workpiece appearance detection assembly line, which sequentially works by designing a plurality of serial stations to finish the functions of workpiece scanning, lower bottom detection, cylindrical side detection, upper bottom detection, position correction before blanking and the like; meanwhile, the structure is compact, the related parts are fewer, the structural redundancy is reduced while the overall structural strength is ensured, the feeding and discharging and transferring steps are simplified, the operation efficiency is improved, and the working efficiency is finally improved.
The invention further aims to provide a double-channel workpiece appearance detection assembly line, which is used for conveying workpieces through a conveying line, clamping the workpieces through the matching of a plurality of first clamping pieces and second clamping pieces, and simultaneously driving the workpieces to rotate through a hollow rotary driver so as to detect the appearance of the workpieces, and is high in automation degree and concentric positioning precision, and the working efficiency is greatly improved.
The invention further aims to provide a double-channel workpiece appearance detection assembly line, which utilizes a first variable-pitch shaft and a second variable-pitch shaft to adjust the distance between two adjacent groups of workpiece suction units through a variable-pitch driver, so that workpieces with different pitches or different sizes can be sucked and transferred simultaneously, the transfer efficiency of the workpieces is greatly improved, the work efficiency is finally improved, and the double-channel workpiece appearance detection assembly line has universality.
To achieve these objects and other advantages and in accordance with the purpose of the invention, there is provided a two-channel workpiece appearance inspection line, comprising: work piece transport transfer mechanism, it is provided with at least two sets of, and two sets of work piece transport transfer mechanism arranges side by side, work piece transport transfer mechanism includes: the conveying line is sequentially provided with a feeding station, a detecting station and a discharging station along the conveying direction;
the feed bin unit is arranged beside the feeding station of the conveying line;
the recycling bin unit is arranged beside the blanking station of the conveying line;
at least two groups of detection units, wherein each group of detection units is respectively arranged at the side of the detection station of a corresponding conveying line; and
at least two groups of workpiece transfer mechanisms, wherein each group of workpiece transfer mechanisms is respectively arranged at a feeding station and a discharging station of the conveying line;
the workpiece transfer mechanism at the feeding station absorbs the workpiece from the feed bin unit, transfers the workpiece to the conveying line and is alternately placed on a corresponding conveying line, the conveying line conveys the workpiece, the detecting unit detects the workpiece on the corresponding conveying line, and the workpiece transfer mechanism at the discharging station absorbs and transfers the workpiece at the discharging station of the conveying line into the recycling bin unit.
Preferably, the feed bin units are provided with at least two groups, and the feed bin units are arranged in parallel.
The recycling bin units are arranged in at least two groups, and the recycling bin units are arranged in parallel.
Preferably, the workpiece transfer mechanism includes: a conveying unit; and
the workpiece spacing adjusting assembly is in transmission connection with the movable part of the conveying unit;
the workpiece spacing adjustment assembly includes: a fixed frame body with a hollow interior to form a placement space;
the variable-pitch unit is rotatably arranged in the placement space; and
the workpiece sucking units are arranged at the outer sides of the fixed frame body, and each group of workpiece sucking units is in transmission connection with the variable-pitch unit;
wherein, the displacement unit includes: a variable-pitch driver, a first variable-pitch shaft and a second variable-pitch shaft,
the variable-pitch driver is fixedly arranged in the fixed frame body, the first variable-pitch shaft and the second variable-pitch shaft are rotatably arranged in the placing space, the power output end of the variable-pitch driver is in transmission connection with the first variable-pitch shaft, the first variable-pitch shaft is in transmission connection with the second variable-pitch shaft,
the first variable-pitch shaft and the second variable-pitch shaft are respectively in transmission connection with the corresponding workpiece suction units,
the distance-changing driver drives two adjacent groups of workpiece suction units to be close to or far from each other through the first distance-changing shaft and the second distance-changing shaft.
Preferably, a first threaded part and a second threaded part are arranged on the periphery of the first variable-pitch shaft, and the first threaded part is in transmission connection with a corresponding group of workpiece suction units through a first connecting piece;
the second threaded part is in transmission connection with a corresponding group of workpiece suction units through a second connecting piece.
Preferably, the second pitch-changing shaft is provided with a third screw thread part and a fourth screw thread part on the outer circumference thereof,
the third threaded part is in transmission connection with a corresponding group of workpiece suction units through a third connecting piece;
the fourth threaded part is in transmission connection with a corresponding group of workpiece suction units through a fourth connecting piece.
Preferably, the workpiece conveying and transferring mechanism further comprises: the supporting piece is in transmission connection with the movable part of the conveying line; and
a clamping assembly movably mounted to the support;
wherein, the clamping assembly includes: a first clamping unit and a second clamping unit,
the first clamping unit includes: at least two first clamps regularly arrayed along an array direction;
the second clamping unit includes: at least two second clamps regularly arrayed along an array direction;
a clamping space is defined between two adjacent first clamping pieces and two adjacent second clamping pieces.
Preferably, the first clamping unit further includes: the first clamping driver is fixedly arranged on the bearing piece; and
the first connecting piece is in transmission connection with the power output end of the first clamping driver, and is fixedly connected with the first clamping piece;
the second clamping unit further includes: the second clamping driver is fixedly arranged on the bearing piece; and
the second connecting piece is in transmission connection with the power output end of the second clamping driver, and is fixedly connected with the second clamping piece;
under the action of the first clamping driver and the second clamping driver, two adjacent first clamping pieces and second clamping pieces are close to or far away from each other.
Preferably, the workpiece conveying and transferring mechanism further comprises: at least two hollow rotary drivers and at least two supporting members, wherein each hollow rotary driver and each supporting member are respectively arranged between two adjacent first clamping members and two adjacent second clamping members, and the supporting members are in transmission connection with the hollow rotary drivers,
the supporting piece is used for supporting a workpiece, and the hollow rotary driver drives the supporting piece to rotate.
Preferably, the detection unit includes: the first detector is arranged above the conveying line through a mounting frame; and
and a second detector disposed beside the conveyor line.
Preferably, at least two first detection elements are arranged at the feeding station of the conveying line;
at least two second detection elements are arranged at the blanking station of the conveying line.
One of the above technical solutions has the following advantages or beneficial effects: according to the invention, a plurality of serial stations are designed to work successively so as to finish the functions of workpiece scanning, lower bottom detection, cylindrical side detection, upper bottom detection, position correction before blanking and the like; meanwhile, the structure is compact, the related parts are fewer, the structural redundancy is reduced while the overall structural strength is ensured, the feeding and discharging and transferring steps are simplified, the operation efficiency is improved, and the working efficiency is finally improved.
The other technical scheme has the following advantages or beneficial effects: according to the invention, the workpiece is conveyed through the conveying line, the workpiece is clamped through the matching of the plurality of first clamping pieces and the plurality of second clamping pieces, and meanwhile, the hollow rotary driver drives the workpiece to rotate so as to conveniently detect the appearance of the workpiece, so that the degree of automation is high, the concentric positioning precision is high, and the working efficiency is greatly improved.
The other technical scheme has the following advantages or beneficial effects: according to the invention, the distance between two adjacent groups of workpiece sucking units is adjusted by the distance-changing driver through the first distance-changing shaft and the second distance-changing shaft, so that workpieces with different distances or different sizes can be sucked and transferred at the same time, the transfer efficiency of the workpieces is greatly improved, the work efficiency is finally improved, and the workpiece sucking device has universality.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
For a clearer description of an embodiment of the invention, reference will be made to the accompanying drawings of embodiments, which are given for clarity, wherein:
FIG. 1 is a three-dimensional structural view of a dual-channel workpiece appearance inspection line according to one embodiment of the present invention;
FIG. 2 is a top view of a dual channel workpiece appearance inspection line according to one embodiment of the invention;
FIG. 3 is a three-dimensional structural view of a workpiece transfer mechanism according to one embodiment of the invention;
FIG. 4 is a three-dimensional structural view of a workpiece standoff adjustment assembly according to one embodiment of the invention;
FIG. 5 is a three-dimensional view of a workpiece pitch adjustment assembly with a correction plate hidden according to one embodiment of the invention;
FIG. 6 is a three-dimensional view of another view of a workpiece standoff adjustment assembly according to one embodiment of the invention after the correction plate is hidden;
FIG. 7 is an exploded view of a pitch change unit according to one embodiment of the present invention;
fig. 8 is a three-dimensional structural view of a work sucking unit according to an embodiment of the present invention;
FIG. 9 is a three-dimensional view of a workpiece transport transfer mechanism and a detection unit according to one embodiment of the invention;
FIG. 10 is a three-dimensional structural view of a workpiece transport transfer mechanism according to one embodiment of the invention;
FIG. 11 is a three-dimensional view of a workpiece transport transfer mechanism with a conveyor line hidden according to one embodiment of the present invention;
FIG. 12 is a top view of a clamping assembly according to one embodiment of the present invention;
FIG. 13 is an exploded view of a clamping assembly according to one embodiment of the present invention;
fig. 14 is a three-dimensional structural view of a hollow rotary actuator and carrier according to one embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other examples, which a person of ordinary skill in the art would obtain without undue burden based on the embodiments of the invention, are within the scope of the 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 should be given the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The terms "first," "second," and the like in the description and in the claims, are not used for any order, quantity, or importance, but are used for distinguishing between different elements. Likewise, the terms "a," "an," or "the" and similar terms do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprising" or "comprises", and the like, is intended to mean that elements or items that are present in front of "comprising" or "comprising" are included in the word "comprising" or "comprising", and equivalents thereof, without excluding other elements or items. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, etc. are defined with respect to the configuration shown in the drawings, and in particular, "height" corresponds to the top-to-bottom dimension, "width" corresponds to the left-to-right dimension, and "depth" corresponds to the front-to-back dimension, are relative concepts, and thus may vary accordingly depending on the location and use of the terms, and therefore these or other orientations should not be interpreted as limiting terms.
Terms (e.g., "connected" and "attached") relating to attachment, coupling, and the like refer to a relationship wherein these structures are directly or indirectly secured or attached to one another through intervening structures, as well as to a relationship wherein they are movably or rigidly attached, unless expressly stated otherwise.
As can be seen in conjunction with the illustrations of fig. 1-14, according to one embodiment of the present invention, a two-channel workpiece appearance inspection line includes: a workpiece conveying and transferring mechanism 400 provided with at least two sets, and two sets of the workpiece conveying and transferring mechanisms 400 are arranged in parallel, the workpiece conveying and transferring mechanism 400 comprising: the conveying line 410, wherein the conveying line 410 is sequentially provided with a feeding station, a detecting station and a discharging station along the conveying direction;
a supply bin unit 100 disposed at a side of a loading station of the conveyor line 410;
a recycling bin unit 500 disposed at a side of the discharging station of the conveyor line 410;
at least two groups of detecting units 200, each group of detecting units 200 being respectively arranged at the side of the detecting station of a corresponding one of the conveyor lines 410; and
at least two groups of workpiece transfer mechanisms 300, wherein each group of workpiece transfer mechanisms 300 is respectively arranged at a feeding station and a discharging station of the conveying line 410;
the workpiece transferring mechanism 300 at the feeding station sucks and transfers the workpiece from the feed bin unit 100 to the conveyor line 410 and is alternatively placed on a corresponding one of the conveyor lines 410, the conveyor lines 410 convey the workpiece, the detecting unit 200 detects the workpiece on the corresponding one of the conveyor lines 410, and the workpiece transferring mechanism 300 at the discharging station sucks and transfers the workpiece at the discharging station of the conveyor lines 410 into the recycling bin unit 500.
Further, the supply bin units 100 are provided with not less than two groups, and the supply bin units 100 are arranged in parallel.
The recovery bin units 500 are provided with not less than two groups, and the recovery bin units 500 are arranged in parallel.
In a preferred embodiment of the present invention, the configuration ratio of the recycling bin unit 500 to the feed bin unit 100 is 4:2, and the workpiece of each feed bin unit 100 is separated into a qualified product (OK) and a non-qualified product (NG) after being detected, and the qualified products and the non-qualified products are respectively stored in two recycling bins; the equipment arranges two detection channels, and the detected workpieces are recovered to a recovery bin unit 500, and a total of 4 bins are qualified product bins, unqualified product bins and qualified product bins from back to front.
Further, the work transfer mechanism 300 includes: a conveying unit 310; and
a workpiece spacing adjustment assembly 320 in driving connection with the movable portion of the conveying unit 310;
the workpiece spacing adjustment assembly 320 includes: the fixed frame 321 is hollow to form a placement space;
a variable-pitch unit 322 rotatably installed in the placement space; and
the workpiece sucking units 323 are provided with at least two groups, the workpiece sucking units 323 are arranged on the outer side of the fixed frame 321, and each group of workpiece sucking units 323 is in transmission connection with the variable-pitch unit 322;
wherein, the pitch changing unit 322 comprises: a variable-pitch drive 3221, a first variable-pitch shaft 3222 and a second variable-pitch shaft 3223,
the variable-pitch driver 3221 is fixedly installed in the fixed frame 321, the first variable-pitch shaft 3222 and the second variable-pitch shaft 3223 are rotatably installed in the placement space, the power output end of the variable-pitch driver 3221 is in transmission connection with the first variable-pitch shaft 3222, the first variable-pitch shaft 3222 is in transmission connection with the second variable-pitch shaft 3223,
the first variable-pitch shaft 3222 and the second variable-pitch shaft 3223 are respectively in transmission connection with the corresponding workpiece suction units 323,
the variable-pitch driver 3221 drives two adjacent groups of workpiece suction units 323 to approach each other or separate from each other through the first variable-pitch shaft 3222 and the second variable-pitch shaft 3223.
It can be appreciated that the present invention adjusts two adjacent sets of workpiece suction units by the variable-pitch driver 3221 using the first variable-pitch shaft 3222 and the second variable-pitch shaft 3223, so that workpieces with different pitches or different sizes can be sucked and transferred, and the present invention has versatility.
In an embodiment of the present invention, the first variable-pitch shaft 3222 and the second variable-pitch shaft 3223 are in transmission connection through a synchronization unit 324;
the synchronization unit 324 includes: a first synchronizing wheel 3241 mounted on a side end portion of the first variable-pitch shaft 3222; and
and a second synchronizing wheel 3242 mounted on a side end portion of the second variable-pitch shaft 3223, and the second synchronizing wheel 3242 is in driving connection with the first driving wheel 3241 through a driving member 3243.
It can be understood that the variable-pitch driver 3221 drives the first variable-pitch shaft 3222 to rotate, and simultaneously drives the second variable-pitch shaft 3223 to rotate synchronously through the transmission of the first synchronizing wheel 3241, the transmission member 3243 and the second synchronizing wheel 3242, so as to simultaneously adjust the spacing between the plurality of workpiece sucking units 323.
In a preferred embodiment of the present invention, the first and second synchronizing wheels 3241, 3242 are different in size.
The first variable-pitch shaft 3222 and the second variable-pitch shaft 3223 are synchronously connected through a synchronization unit 324, and are driven by the same motor power, and the two synchronous wheels are different in size, so that equal-ratio distance-dividing travel is realized.
Further, a ratio of the torque between the first synchronizing wheel 3241 and the second synchronizing wheel 3242 is adjustable.
Specifically, in the present invention, the first synchronizing wheel or the second synchronizing wheel may be replaced to adjust the gear ratio between the first synchronizing wheel 3241 and the second synchronizing wheel 3242, so that the gear ratio may be flexibly selected according to the gear ratio requirement.
Further, a first threaded portion 32221 and a second threaded portion 32222 are disposed on the outer periphery of the first variable-pitch shaft 3222, and the first threaded portion 32221 is in transmission connection with a corresponding group of the workpiece suction units 323 through a first connecting member 3224;
the second screw portion 32222 is in driving connection with a corresponding set of the work sucking units 323 through a second connecting member 3225.
In a preferred embodiment of the present invention, the screw directions of the screw threads of the first screw portion 32221 and the second screw portion 32222 are opposite.
In a preferred embodiment of the present invention, the first screw portion 32221 and the second screw portion 32222 are fixed together by welding or connected together by a coupling, so that when the single variable-pitch shaft is driven, the first connecting member 3224 and the second connecting member 3225 realize opposite movements, and finally realize synchronous equidistant adjustment of the distance between the workpiece suction units 323.
Further, a third screw portion 32231 and a fourth screw portion 32232 are provided on the outer circumference of the second variable-pitch shaft 3223,
the third threaded portion 32231 is in driving connection with a corresponding set of the workpiece suction units 323 via a third connecting member 3226;
the fourth screw portion 32232 is in driving connection with a corresponding set of the work sucking units 323 through a fourth connecting member 3227.
In a preferred embodiment of the present invention, the screw directions of the screw threads of the third screw portion 32231 and the fourth screw portion 32232 are opposite.
In a preferred embodiment of the present invention, the third threaded portion 32231 and the fourth threaded portion 32232 are fixed together by welding or connected together by a coupling, so that when the single variable-pitch shaft is driven, the third connecting member 3226 and the fourth connecting member 3227 realize opposite movements, and finally realize synchronous equidistant adjustment of the distance between the workpiece suction units 323.
The ratio of the thread leads of the first variable-pitch shaft 3222 and the second variable-pitch shaft 3223 to the transmission ratio of the synchronous gear tooth number power of the end portions of the first variable-pitch shaft 3222 and the second variable-pitch shaft 3223 is combined to form the ratio of different movement speeds with the first thread portion, the second thread portion, the third thread portion and the fourth thread portion 32232, so that the movement speeds and directions of the four threads are different, and the workpiece suction units 323 on the first variable-pitch shaft 3222 and the second variable-pitch shaft 3223 can realize specific separation.
Based on the synchronism of the screw transmission and the synchronism of the transmission pair of the variable-pitch mechanism with two screw structures, the two bidirectional screw shafts and the connecting piece can be equivalently replaced by a synchronous belt and an equivalent mechanism of a driving piece arranged on the synchronous belt;
further, the transmission pairs with two groups of thread structures are characterized in that the screw rod changes towards the direction of the cylindrical cam, the threads become lead tracks of the cylindrical cam, the connecting piece of the thread pair becomes a cam follower roller moving in the tracks, and the multi-track cam driving variable-pitch movement can be realized;
further, the cam track is unfolded to be a plane, the umbrella-shaped track is unfolded at the track edge, and the cam follower roller is driven by a cylinder and the like which move linearly, so that the multi-rotor variable-pitch motion can be realized.
Further, the workpiece spacing adjustment assembly 320 further includes: a correction plate 325, the correction plate 325 being disposed below the work sucking unit 323;
the correction holes 3251 are arranged on the correction plate 325, the correction holes 3251 are provided with at least two, and each correction hole 3251 is arranged on the correction plate 325 in an array direction at equal intervals.
It is understood that the present invention corrects the work sucking unit 323 after the pitch adjustment through the correction hole 3251 of the correction plate 325, preventing inaccuracy in the adjustment of the work sucking unit 323.
Further, the work sucking unit 323 includes: the connecting plate 3231 is provided with a plurality of holes,
a lift driver 3232 disposed in a vertical direction, and the lift driver 3232 is mounted to an upper region of the connection plate 3231; and
a suction head 3233 which is in transmission connection with the power output end of the lifting driver 3232 through a switching block 3234;
the lift driver 3232 drives the suction head 3233 to reciprocate in a vertical direction.
It will be appreciated that the lift drive 3232 drives the suction head 3233 to reciprocate in a vertical direction to buffer the suction head 3233 from damaging the workpiece.
Further, the workpiece conveying and transferring mechanism 400 further includes: a support 420 in driving connection with the movable part of the conveyor line 410; and
a clamping assembly 430 movably mounted to the support 420;
wherein, the clamping assembly 430 comprises: a first clamping unit 431 and a second clamping unit 432,
the first clamping unit 431 includes: at least two first holders 4311 regularly arrayed in an array direction;
the second clamping unit 432 includes: at least two second holders 4321 regularly arrayed in an array direction;
a clamping space is defined between two adjacent first clamping members 4311 and the second clamping member 4321.
Further, the first clamping unit 431 further includes: a first clamp actuator 4312 fixedly mounted to the support 420; and
the first connection component 4313 is in transmission connection with the power output end of the first clamping driver 4312, and the first connection component 4313 is fixedly connected with the first clamping piece 4311;
the second clamping unit 432 further includes: a second clamp actuator 4322 fixedly mounted to the support 420; and
the second connecting component 4323 is in transmission connection with the power output end of the second clamping driver 4322, and the second connecting component 4323 is fixedly connected with the second clamping piece 4321;
under the action of the first clamping driver 4312 and the second clamping driver 4322, two adjacent first clamping members 4311 and second clamping members 4321 are close to or far from each other.
It can be understood that in the present invention, the first clamping member 4311 and the second clamping member 4321 are driven to move synchronously by the first clamping driver 4312 and the second clamping driver 4322, so as to control the clamping members to clamp the workpiece synchronously, thereby greatly improving the transferring efficiency of the work.
In a preferred embodiment of the present invention, each of the first clamping members 4311 is fixedly connected to the first connecting assembly 4313 through a first adapter 4314;
each second clamping member 4321 is fixedly connected to the second connecting assembly 4323 via a second adapter member 4324.
Further, the first clamping member 4311 is provided with a first clamping portion 43111, and the first clamping portion 43111 extends from the surface of the first clamping member 4311 in a direction away from the first clamping member 4311;
a second clamping portion 43211 is provided on the second clamping member 4321, and the second clamping portion 43211 extends from the surface of the second clamping member 4321 in a direction away from the second clamping member 4321;
the first clamping portion 43111 and the second clamping portion 43211 are each made of a flexible material.
In the present invention, the first clamping portion 43111 and the second clamping portion 43211 are made of flexible materials, so as to prevent the first clamping member 4311 and the second clamping member 4321 from damaging the workpiece when clamping the workpiece, thereby increasing the production cost.
Further, the first clamping portion 43111 is provided with a first clamping groove 43112, and the second clamping portion 43211 is provided with a second clamping groove 43212.
Further, the work conveying transfer mechanism 400 further includes: at least two fixing blocks 440, each fixing block 440 is disposed beside the first clamping member 4311 and the second clamping member 4321, and the fixing blocks 440, the first clamping member 4311 and the second clamping member 4321 are respectively disposed with a buffer element 450.
Further, the buffering element 450 is any one of a spring, a resilient piece, or a resilient ball.
In one embodiment of the present invention, the buffer element 450 is a spring, in another embodiment of the present invention, the buffer element 450 is a resilient sheet, and in yet another embodiment of the present invention, the buffer element 450 is a resilient ball.
The specific choice of the buffering element 450 can be set by a worker according to the actual situation.
Further, the workpiece conveying and transferring mechanism 400 further includes: at least two hollow rotary drivers 460 and at least two supporting members 470, wherein each hollow rotary driver 460 and each supporting member 470 are respectively arranged between two adjacent first clamping members 4311 and second clamping members 4321, and the supporting members 470 are in transmission connection with the hollow rotary drivers 460,
the supporter 470 is used for supporting a workpiece, and the hollow rotation driver 460 drives the supporter 470 to rotate.
In a preferred embodiment of the present invention, the surface of the supporting member 470 is provided with an adsorption hole 471, a connection air path is provided inside the hollow rotary driver 460, one end of the connection air path is communicated with the adsorption hole 471, and the other end of the connection air path is externally connected with a vacuum generator;
under the action of the vacuum generator, a negative pressure environment is formed between the connecting gas path and the adsorption hole 471 so as to adsorb and fix the workpiece.
It will be appreciated that the carrier 470 holds the workpiece in place, and the hollow rotary drive 460 drives the carrier and the cylindrical workpiece held thereon in rotation, thereby scanning the entire circumference of the held camera 360 °.
Further, the detecting unit 200 includes: a first detector 210 mounted above the conveyor line 410 by a mounting bracket 220; and
a second detector 220 disposed beside the conveyor line 410.
Further, at least two first detecting elements 600 are disposed at the feeding station of the conveyor line 410;
at least two second detecting elements 700 are arranged at the blanking station of the conveyor line 410.
The number of equipment and the scale of processing described herein are intended to simplify the description of the present invention. Applications, modifications and variations of the present invention will be readily apparent to those skilled in the art.
Although embodiments of the invention have been disclosed above, they are not limited to the use listed in the specification and embodiments. It can be applied to various fields suitable for the present invention. Additional modifications will readily occur to those skilled in the art. Therefore, the invention is not to be limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.
Claims (8)
1. A binary channels work piece outward appearance detects assembly line, its characterized in that includes:
-a workpiece transport transfer mechanism (400) provided with at least two groups, and two groups of said workpiece transport transfer mechanisms (400) are arranged side by side, said workpiece transport transfer mechanism (400) comprising: the conveying line (410), the conveying line (410) is sequentially provided with a feeding station, a detecting station and a discharging station along the conveying direction;
a feed bin unit (100) arranged beside the loading station of the conveyor line (410);
a recycling bin unit (500) arranged beside the blanking station of the conveyor line (410);
at least two groups of detection units (200), each group of detection units (200) being arranged beside a detection station of a respective one of the conveyor lines (410); and
at least two groups of workpiece transfer mechanisms (300), wherein each group of workpiece transfer mechanisms (300) is respectively arranged at a feeding station and a discharging station of the conveying line (410);
the workpiece transfer mechanism (300) positioned at the feeding station sucks the workpiece from the feed bin unit (100), transfers the workpiece to the conveyor line (410) and is alternately placed on a corresponding conveyor line (410), the conveyor line (410) conveys the workpiece, the detection unit (200) detects the workpiece on the corresponding conveyor line (410), and the workpiece transfer mechanism (300) positioned at the discharging station sucks and transfers the workpiece at the discharging station of the conveyor line (410) into the recovery bin unit (500);
the workpiece conveying and transferring mechanism (400) further comprises: a support (420) in driving connection with the mobile part of the conveyor line (410); and
a clamping assembly (430) movably mounted to the support (420);
wherein the clamping assembly (430) comprises: a first clamping unit (431) and a second clamping unit (432),
the first clamp unit (431) includes: at least two first holders (4311) which are regularly arrayed in an array direction;
the second clamping unit (432) includes: at least two second holders (4321) which are regularly arrayed in an array direction;
a clamping space is defined between two adjacent first clamping pieces (4311) and two adjacent second clamping pieces (4321);
the workpiece conveying and transferring mechanism (400) further comprises: at least two hollow rotary drivers (460) and at least two supporting members (470), wherein each hollow rotary driver (460) and each supporting member (470) are respectively arranged between two adjacent first clamping members (4311) and second clamping members (4321), the supporting members (470) are in transmission connection with the hollow rotary drivers (460),
the supporting member (470) is used for supporting a workpiece, and the hollow rotary driver (460) drives the supporting member (470) to rotate.
2. The two-channel workpiece appearance inspection line according to claim 1, wherein the supply bin units (100) are provided with not less than two groups, the supply bin units (100) being arranged side by side;
the recycling bin units (500) are provided with at least two groups, and the recycling bin units (500) are arranged in parallel.
3. The dual channel workpiece appearance inspection line of claim 1, wherein said workpiece transfer mechanism (300) comprises: a conveying unit (310); and
a workpiece spacing adjustment assembly (320) in driving connection with the movable part of the conveying unit (310);
the workpiece standoff adjustment assembly (320) comprises: a fixed frame (321) with a hollow interior to form a placement space;
a variable-pitch unit (322) rotatably installed in the placement space; and
the workpiece sucking units (323) are arranged at least in two groups, the workpiece sucking units (323) are arranged at the outer side of the fixed frame body (321), and each group of workpiece sucking units (323) is in transmission connection with the variable-pitch unit (322);
wherein the pitch change unit (322) comprises: a variable-pitch drive (3221), a first variable-pitch shaft (3222) and a second variable-pitch shaft (3223),
the variable-pitch driver (3221) is fixedly arranged in the fixed frame body (321), the first variable-pitch shaft (3222) and the second variable-pitch shaft (3223) are rotatably arranged in the placing space, the power output end of the variable-pitch driver (3221) is in transmission connection with the first variable-pitch shaft (3222), the first variable-pitch shaft (3222) is in transmission connection with the second variable-pitch shaft (3223),
the first variable-pitch shaft (3222) and the second variable-pitch shaft (3223) are respectively connected with the corresponding workpiece suction units (323) in a transmission way,
the variable-pitch driver (3221) drives two adjacent groups of workpiece suction units (323) to be close to or far from each other through the first variable-pitch shaft (3222) and the second variable-pitch shaft (3223).
4. The dual-channel workpiece appearance inspection line according to claim 3, wherein a first threaded portion (32221) and a second threaded portion (32222) are provided on the outer periphery of the first variable-pitch shaft (3222), and the first threaded portion (32221) is in transmission connection with a corresponding group of workpiece suction units (323) through a first connecting member (3224);
the second screw part (32222) is in transmission connection with a corresponding group of workpiece suction units (323) through a second connecting piece (3225).
5. The dual-channel workpiece appearance inspection line of claim 3, wherein a third threaded portion (32231) and a fourth threaded portion (32232) are provided on the outer periphery of the second variable-pitch shaft (3223),
the third threaded part (32231) is in transmission connection with a corresponding group of workpiece suction units (323) through a third connecting piece (3226);
the fourth screw part (32232) is in transmission connection with a corresponding group of workpiece suction units (323) through a fourth connecting piece (3227).
6. The dual-channel workpiece appearance inspection line of claim 1, wherein said first clamping unit (431) further comprises: a first clamping drive (4312) fixedly mounted to the support (420); and
the first connecting component (4313) is in transmission connection with the power output end of the first clamping driver (4312), and the first connecting component (4313) is fixedly connected with the first clamping piece (4311);
the second clamping unit (432) further comprises: a second clamping drive (4322) fixedly mounted to the support (420); and
the second connecting component (4323) is in transmission connection with the power output end of the second clamping driver (4322), and the second connecting component (4323) is fixedly connected with the second clamping piece (4321);
under the action of the first clamping driver (4312) and the second clamping driver (4322), two adjacent first clamping pieces (4311) and second clamping pieces (4321) are close to or far from each other.
7. The dual channel workpiece appearance inspection line of claim 1, wherein said inspection unit (200) comprises: a first detector (210) mounted above the conveyor line (410) by a mounting bracket (220); and
a second detector (230) arranged beside the conveyor line (410).
8. The two-channel workpiece appearance inspection line of claim 1, wherein at least two first inspection elements (600) are disposed at a loading station of the conveyor line (410);
at least two second detection elements (700) are arranged at the blanking station of the conveyor line (410).
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| CN202210877821.8A CN115123825B (en) | 2022-07-25 | 2022-07-25 | Dual-channel workpiece appearance detection assembly line |
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| CN202210877821.8A CN115123825B (en) | 2022-07-25 | 2022-07-25 | Dual-channel workpiece appearance detection assembly line |
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| CN115123825B true CN115123825B (en) | 2023-09-29 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117517314B (en) * | 2024-01-04 | 2024-04-30 | 歌尔股份有限公司 | Visual inspection apparatus |
| CN118289428A (en) * | 2024-06-06 | 2024-07-05 | 荣旗工业科技(苏州)股份有限公司 | Material discharging device |
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| CN115123825A (en) | 2022-09-30 |
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