CN112224902A

CN112224902A - Alternative feeding and conveying device

Info

Publication number: CN112224902A
Application number: CN202011033197.0A
Authority: CN
Inventors: 缪磊; 袁文卿; 王坤; 周永昌; 吴建武; 徐雨舟
Original assignee: Suzhou RS Technology Co Ltd
Current assignee: Suzhou RS Technology Co Ltd
Priority date: 2020-09-27
Filing date: 2020-09-27
Publication date: 2021-01-15
Anticipated expiration: 2040-09-27
Also published as: CN112224902B

Abstract

The invention discloses an alternate feeding and conveying device, which comprises: the storage bin comprises at least two storage tanks which are arranged in parallel; the workpiece lifting assembly is arranged beside the stock bin; the workpiece carrying assembly is arranged beside the workpiece lifting assembly; the conveying lines are arranged in parallel, and are arranged below the workpiece lifting assembly; the workpiece lifting assembly lifts one group of the workpieces from the bottom of the corresponding storage box so that the uppermost workpiece is lifted to a feeding plane, and the workpiece carrying assembly takes the uppermost workpiece from the feeding plane and carries the uppermost workpiece to the corresponding group of the conveying lines for conveying. According to the invention, the lifting-carrying integration is closely and efficiently matched, the feeding efficiency of workpieces is improved, and the production efficiency is finally improved.

Description

Alternative feeding and conveying device

Technical Field

The invention relates to the technical field of nonstandard automation. More particularly, the present invention relates to an alternating feed and delivery apparatus.

Background

In the non-standard automation field, it is well known to adopt feeding and conveying devices with different structural forms to realize efficient feeding and conveying of workpieces. In the process of researching and realizing efficient feeding and conveying of workpieces, the inventor finds that the feeding and conveying device in the prior art has at least the following problems:

firstly, when the bin is in an empty state, the bin cannot be inducted and identified to be in the empty state, so that the material of the bin in the empty state cannot be prepared in time, the bin is fixedly arranged and is inconvenient to prepare again, and when the bin is used for placing workpieces, an upper stacking mode and a lower stacking mode are adopted, so that a workpiece feeding mechanism placed below the bin is inconvenient to clamp, and the workpiece feeding efficiency is reduced; secondly, in the process of conveying and feeding, the orientation of the workpieces is consistent with the preset direction, the orientation of the workpieces is inconsistent with the preset direction, the workpieces with wrong orientations cannot be identified by the identifier in an induction mode, the feeding conveying efficiency is reduced, the workpieces which cannot be identified in an induction mode are not recovered by the recovery device, the workpieces which cannot be identified in an induction mode are conveyed to the downstream to continue other operations, and the working efficiency of other subsequent operations is affected.

In view of the above, there is a need to develop an alternative feeding and conveying device to solve the above problems.

Disclosure of Invention

Aiming at the defects in the prior art, the invention mainly aims to provide an alternative feeding and conveying device, wherein a workpiece lifting assembly is used for lifting one group of workpieces at the bottom of a corresponding storage box so that the uppermost workpiece is lifted to a feeding plane, and a workpiece carrying assembly is used for taking away and carrying the uppermost workpiece at the feeding plane, so that the lifting-carrying integration is closely and efficiently matched, the feeding efficiency of the workpieces is improved, and the production efficiency is finally improved.

Another object of the present invention is to provide an alternative feeding and conveying device, which identifies whether a corresponding storage bin is in an empty state through the sensing of the presence or absence of a first workpiece, and drives the corresponding storage bin in the empty state to re-stock from a feeding station to a stock station through a stock guide rail, so as to greatly improve the working efficiency and finally improve the production efficiency.

Another object of the present invention is to provide an alternative feeding and conveying device, which senses and identifies the orientation of a workpiece through an identification sensor, jacks up the workpiece with the wrong orientation from a conveying line through a jacking and horizontally rotating assembly, horizontally rotates the workpiece to a preset orientation, and recovers the workpiece which cannot be identified through a recovery assembly, so as to prevent the workpiece which cannot be identified from being conveyed to a subsequent processing station, wherein the automation degree is high, the feeding and conveying efficiency is improved, and the production efficiency is finally improved.

To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided an alternate loading and conveying apparatus comprising: the storage bin comprises at least two storage tanks which are arranged in parallel;

the workpiece lifting assembly is arranged beside the stock bin;

the workpiece carrying assembly is arranged beside the workpiece lifting assembly; and

at least two groups of conveying lines which are arranged in parallel, wherein the two conveying lines are arranged below the workpiece lifting assembly;

the workpiece lifting assembly lifts one group of the workpieces from the bottom of the corresponding storage box so that the uppermost workpiece is lifted to a feeding plane, and the workpiece carrying assembly takes the uppermost workpiece from the feeding plane and carries the uppermost workpiece to the corresponding group of the conveying lines for conveying.

Preferably, the bunker further includes:

a controller;

the device comprises at least two stock preparation guide rails which are arranged in parallel, wherein stock preparation stations and feeding stations which are sequentially arranged along the extending direction of the stock preparation guide rails are arranged on the stock preparation guide rails; and

at least two groups of bearing bases, wherein each group of bearing bases is in sliding connection with a corresponding stock guide rail;

wherein, every group the storage case is equipped with at least one and is located the work piece of the guide rail low reaches of prepareeing material has or not the sensor, every group the bearing base includes:

the connecting part is connected with the corresponding stock guide rail in a sliding manner; and

the bearing part is fixedly connected with the connecting part, at least one sensing through hole penetrating through the upper surface and the lower surface of the bearing part is formed in the bearing part, when the bearing base is located at the feeding station, the bearing part extends to the position right above the workpiece sensor or not so that each sensing through hole is aligned with the corresponding workpiece sensor or not, the workpiece sensor or not is electrically connected with the controller, the controller is used for receiving sensing signals of the workpiece sensor or not, and when all workpieces of one group of material storage boxes feed back workpiece vacant signals, the controller judges that the current material storage box is in a vacant state.

Preferably, each group of storage tanks further comprises an idle alarm electrically connected to the controller, and when one group of storage tanks is judged to be in an idle state, the idle alarm corresponding to the storage tank gives an idle alarm.

Preferably, the workpiece lifting assembly comprises:

the first mounting frame is arranged beside the stock bin;

the lifting driving assembly is arranged on the first mounting frame; and

a lift seat slidably connected to the lift drive assembly;

the lifting driving assembly drives the lifting seat to lift one group of workpieces from the bottom of one corresponding storage box so that the uppermost workpiece is lifted to a feeding plane.

Preferably, the lift seat includes:

the connecting part is connected with the Z-direction driving module in a sliding manner;

at least two parallel lifting parts, wherein each lifting part is integrally combined with the connecting part at the top end edge of the connecting part and extends along the X-axis direction from the top end edge of the connecting part; and

the support parts are arranged in parallel, and each support part is integrally combined with the connecting part at the outer edge of the connecting part and extends along the X-axis direction from the outer edge of the connecting part.

Preferably, each conveying line is sequentially provided with a feeding station, a fool-proof station and a recovery station along the conveying direction; the foolproof station is provided with a jacking and horizontal rotation assembly and an identification sensor, the identification sensor is arranged right above the conveying line, the jacking and horizontal rotation assembly is positioned right below the conveying line, and the recovery station is provided with a recovery assembly;

wherein the recovery assembly comprises a recovery jacking driving module arranged right below the conveying line and a recovery material box arranged right above the conveying line, the jacking horizontal rotation component, the position identification sensor and the recovery jacking driving module are all electrically connected with the controller, the identification sensor is used for sensing the workpiece at the foolproof station and identifying and judging the orientation of the workpiece at the foolproof station, the controller is used for receiving different feedback signals of the identification sensor and sending different control signals to the jacking horizontal rotation assembly and the recovery jacking driving module according to different feedback results, jacking and flat rotating to predetermineeing the orientation, control jacking drive module will not discernable work piece jack-up and place from the transfer line in the recovery workbin with control jacking flat rotating assembly will be towards wrong work piece jack-up and flat rotating to predetermineeing from the transfer line.

Preferably, the jacking and horizontal rotation assembly comprises: the jacking driver is fixedly connected below the conveying line through a fixed seat; and

the rotary driver is fixedly connected with the power output end of the jacking driver;

the jacking driver and the rotating driver are electrically connected with the controller, the controller sends different control signals to control the jacking driver to jack up the workpiece facing the error from the conveying line, and the rotating driver is controlled to drive the workpiece facing the error to rotate horizontally by 180 degrees to a preset direction by taking the Z axis as an axis.

Preferably, the jacking horizontal rotation assembly further comprises: and the bearing seat is in transmission connection with the power output end of the rotary driver and is used for bearing and fixing the workpiece facing to the wrong direction.

Preferably, the recovery bin comprises: the two side walls are respectively arranged on two sides of the right upper part of the conveying line along the Y-axis direction;

at least two cladding walls fixedly connected to the side end parts of the side walls; and

each group of stop modules is fixedly connected to the bottom end of one corresponding side wall;

and a storage space of the workpiece is defined between the side wall and the cladding wall.

Preferably, the stopper module includes: a fixed seat; and

the stop plate is rotatably connected with the fixed seat through a rotating shaft;

wherein, the backstop board is at least partly stretched into in the storage space, the focus of backstop board with the axle center of pivot is eccentric, just the focus of backstop board is close to the storage space.

One of the above technical solutions has the following advantages or beneficial effects: the workpiece lifting assembly lifts one group of the workpiece groups at the bottom of one corresponding storage box so that the workpieces on the uppermost layer are lifted to a feeding plane, and the workpiece carrying assembly takes away and carries the workpieces on the uppermost layer from the feeding plane, so that the lifting and carrying are integrated to be closely and efficiently matched, the feeding efficiency of the workpieces is improved, and the production efficiency is finally improved.

Another technical scheme in the above technical scheme has the following advantages or beneficial effects: whether the corresponding material storage box is in the vacant state or not is identified through the sensor-free induction of the first workpiece, the material storage box in the vacant state is driven by the material preparation guide rail to prepare materials again from the material loading station to the material preparation station, the working efficiency is greatly improved, and the production efficiency is finally improved.

Another technical scheme in the above technical scheme has the following advantages or beneficial effects: the orientation of the workpiece is identified through the induction of the identification sensor, the workpiece with the wrong orientation is jacked up from the conveying line and is flatly rotated to the preset orientation through the jacking flat rotation assembly, the workpiece which cannot be identified is recovered through the recovery assembly, the workpiece which cannot be identified is prevented from being conveyed to a subsequent processing station, the automation degree is high, the feeding conveying efficiency is improved, and the production efficiency is finally improved.

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

In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings of the embodiments will be briefly described below, and it is apparent that the drawings in the following description relate only to some embodiments of the present invention and are not limiting thereof, wherein:

FIG. 1 is a schematic structural diagram of an alternate loading and conveying apparatus according to an embodiment of the present invention;

FIG. 2 is a top view of an alternative loading and conveying apparatus according to one embodiment of the present invention;

FIG. 3 is a schematic diagram of the structure of a bin, a workpiece lifting assembly and a workpiece handling assembly according to one embodiment of the present invention;

FIG. 4 is a schematic diagram of a silo according to an embodiment of the invention;

FIG. 5 is an exploded view of a silo according to one embodiment of the invention;

FIG. 6 is a schematic view of a support base according to one embodiment of the invention;

FIG. 7 is a schematic view of a magazine according to one embodiment of the present invention;

FIG. 8 is a schematic view of another perspective of a bin according to an embodiment of the invention;

FIG. 9 is a schematic diagram of a workpiece lifting assembly according to one embodiment of the present invention;

FIG. 10 is a schematic view of a lift block according to an embodiment of the present invention;

FIG. 11 is a schematic structural view of a workpiece handling assembly according to one embodiment of the present invention;

FIG. 12 is a schematic diagram of a capture module according to an embodiment of the present invention;

FIG. 13 is a schematic view of the conveyor line, jacking and leveling assembly and recovery assembly according to one embodiment of the present invention;

FIG. 14 is a schematic view of the structure of a conveyor line according to one embodiment of the invention;

FIG. 15 is a schematic structural view of an identification sensor and a jacking yaw assembly in accordance with an embodiment of the present invention;

FIG. 16 is a schematic structural view of a jacking yaw assembly in accordance with an embodiment of the present invention;

FIG. 17 is a schematic view of a support base according to an embodiment of the present invention;

FIG. 18 is a schematic structural view of a recovery assembly in accordance with an embodiment of the present invention;

FIG. 19 is a schematic structural diagram of a recovery lift drive module according to an embodiment of the present invention;

FIG. 20 is a schematic diagram of the construction of a recovery bin in accordance with an embodiment of the present invention;

FIG. 21 is an exploded view of a recovery bin in an embodiment of the present invention;

FIG. 22 is an exploded cross-sectional view of an exemplary backstop module in accordance with the present invention;

fig. 23 is a schematic structural diagram of a first barrier module according to an embodiment of the invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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, etc., are defined with respect to the configurations shown in the respective drawings, and in particular, "height" corresponds to a dimension from top to bottom, "width" corresponds to a dimension from left to right, "depth" corresponds to a dimension from front to rear, which are relative concepts, and thus may be varied accordingly depending on the position in which it is used, and thus these or other orientations should not be construed as limiting terms.

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, unless expressly described otherwise.

According to an embodiment of the present invention, referring to fig. 1 and 2, it can be seen that the alternating feeding and conveying apparatus includes: a silo 22 comprising at least two storage bins 222 arranged in parallel;

the workpiece lifting assembly 23 is arranged beside the stock bin 22;

a workpiece carrying assembly 24 provided beside the workpiece lifting assembly 23; and

at least two sets of conveying lines 25 arranged in parallel, both conveying lines 25 being arranged below the workpiece lifting assembly 24;

wherein, the work pieces are stacked one above the other in each magazine 222 to form at least one group of work pieces, the work piece lifting assembly 23 lifts one group of work pieces from the bottom of a corresponding one of the magazines 222 so that the uppermost work piece is lifted to a loading plane, and the work piece handling assembly 24 takes the uppermost work piece from the loading plane and handles the uppermost work piece to a corresponding group of the conveying lines 25 for conveying.

Further, with reference to fig. 3 to 5, the storage bin 22 further includes:

a controller;

at least two stock preparation guide rails 221 arranged in parallel are provided with a stock preparation station and a feeding station which are sequentially arranged along the extension direction of the stock preparation guide rails; and

at least two sets of supporting bases 223, wherein each set of supporting bases 223 is in sliding connection with a corresponding stock guide rail 221;

wherein each set of storage bins 222 is provided with at least one workpiece presence sensor located downstream of the stock guide 221, and each set of support bases 223 comprises:

a connecting portion 2231 slidably connected to a corresponding one of the stock guide rails 221; and

the bearing part 2232 is fixedly connected to the connecting part 2231, at least one sensing through hole 2233 penetrating through the upper and lower surfaces of the bearing part 2232 is formed on the bearing part 2232, when the bearing base 223 is located at the loading station, the bearing part 2232 extends to a position right above the workpiece sensor, so that each sensing through hole 2233 is aligned with a corresponding workpiece sensor, the workpiece sensor is electrically connected to the controller, the controller is configured to receive a sensing signal of the workpiece sensor, and when all the workpieces in one group of the storage boxes 222 have a sensor and feed back a workpiece idle signal, the controller determines that the storage box 222 is currently in an idle state.

Further, each group of storage tanks 222 further includes an idle alarm electrically connected to the controller, and when one group of storage tanks 222 is determined to be in an idle state, the idle alarm corresponding to the storage tank 222 sends an idle alarm.

In one embodiment, the empty alarm may be a light, a sound, an image, a text, etc., and in a preferred embodiment of the present invention, the empty alarm is a sound, and the empty alarm sound of the empty alarm corresponding to each group of storage bins 222 is different, so that the staff can distinguish which group of storage bins to control for reloading the corresponding storage bins with workpieces.

In a preferred embodiment, a material preparation driver (not shown) is disposed on the material preparation guide rail 221, the material preparation driver is electrically connected to the controller, a power output end of the material preparation driver is slidably connected to the support base 223, and the material preparation driver drives the support base 223 to reciprocate along the material preparation station of the material preparation guide rail 221 to the material feeding station.

It can be understood that when the workpiece sensor detects that one of the storage boxes 222 is empty, the workpiece empty feedback signal is sent to the controller, the controller sends a signal to the empty alarm according to the feedback signal to control the empty alarm corresponding to the storage box 222 to send an empty alarm, and sends a control signal to the stock preparation driver to control the stock preparation driver to drive the storage box 222 from the material loading station to the stock preparation station, so as to prepare the material again, and after the stock preparation is completed, the controller controls the stock preparation driver to drive the stock preparation from the stock preparation station to the material loading station.

Further, referring to fig. 7 and 8, a specific structure of the storage tank 222 is shown in detail, specifically, the storage tank 222 includes: a bottom wall 2221; and

a side wall 2222, the side wall 2222 is integrally combined with the bottom wall 2221 at the outer side edge of the bottom wall 2221 and extends along the Z-axis direction from the outer side edge of the bottom wall 2221, and a storage space with an opening at the upper end is defined between the bottom wall 2221 and the side wall 2222;

at least one partition plate 2223 is arranged inside the storage space, and the partition plate 2223 divides the storage space into at least two storage bins 2224.

In a preferred embodiment, with reference to fig. 5, the material preparation guide rail 221 is provided with a limiting module 225 at both side ends of the feeding station, the bearing part 2232 is provided with a limiting part 2234 at both side ends, and the limiting part 2234 and the limiting module 225 are matched to limit the position of the bearing base 223 at the feeding station.

It can be understood that when the supporting base 223 is located at the loading station, the limiting portion 2234 cooperates with the limiting module 225 to limit the supporting base 223 at the loading station, so that the supporting portion 2232 extends to a position directly above the workpiece sensor so that each sensing through hole 2233 is aligned with a corresponding workpiece sensor.

Referring again to fig. 5, the limiting module 225 includes: a mounting seat 2251; and a stopper 2252 provided above the mount 2252;

the limiting column 2252 and the limiting portion 2234 cooperate to limit the position of the supporting base 223 at the loading station.

Further, referring to fig. 5 again, a pressing disc 2253 is fixedly connected to the top end of the limiting column 2252, the outer diameter of the pressing disc 2253 is larger than the outer diameter of the limiting column 2253, and the pressing disc 2253 presses and fixes the storage box 222 at the feeding station of the stock preparation guide rail 223.

The height of the limiting column 2214 is slightly larger than or equal to the sum of the thicknesses of the supporting base 223 and the bottom wall 2221, so that the pressing disc 2253 can press and fix the magazine 222.

It can be understood that the material storage box 222 at the feeding station of the material preparation guide rail 223 is pressed and fixed by the pressing disc 2253, so as to prevent the working group in the material storage box from affecting the material storage box in the lifting process, which results in the material storage box being loose and offset, and thus affecting the working efficiency.

In a preferred embodiment, the storage bin 222 is removably mounted above the holding base 223.

With reference to fig. 5, at least 2 fixing holes 22212 are formed in the bottom wall 2221, at least 2 fixing portions 2235 are formed in the supporting portion 2232, each fixing hole 22212 is adapted to a corresponding fixing portion 2235, and the storage box 2222 and the supporting base 223 are detachably connected through the matching between each fixing hole 22212 and a corresponding fixing portion 2235.

Further, with reference to fig. 7 and 8, at least one sensing through slot 22211 penetrating through the upper and lower surfaces is formed on the bottom wall 2221, each sensing through slot 22211 is aligned with a corresponding sensing through hole 2233, and each sensing through slot 22211 is communicated with a corresponding storage bin 2224.

At least one guide groove 22221 penetrating through the front and rear parts is formed in the side wall 2222, and the guide groove 22221 extends in the Z-axis direction;

each of the sensing through slots 22211 is communicated with a corresponding one of the guiding slots 22221, and each of the guiding slots 22221 is communicated with a corresponding one of the storage bins 2224.

In a preferred embodiment, each of the sensing through holes 2233, each of the sensing through slots 22211, and each of the guiding grooves 22221 has a width greater than or equal to a width of a corresponding one of the lifting portions 2332, so that each of the lifting portions 2332 enters the magazine 2224 from each of the sensing through holes 2233 and each of the sensing through slots 22211 to lift the workpiece group in the corresponding one of the magazines 2224, and the guiding grooves 22221 guide a lifting direction of a corresponding one of the lifting portions 2332 to improve a lifting efficiency of the lifting portions 2332.

Further, referring again to fig. 7, the storage bin 222 further includes: a bin gate 2225; which is rotatably connected to said side wall 2222; and

at least two locking devices 2227, which are disposed on the surface of the door 2225, for locking the door.

In a preferred embodiment, a handle 2228 is fixed to a surface of the door 2225, so that a worker can open or close the door 2225.

Further, in conjunction with fig. 9, the workpiece lifting assembly 23 includes:

the first mounting frame 231 is arranged beside the storage bin 22;

a lifting driving assembly 232 disposed on the first mounting frame 232; and

a lift seat 233 slidably coupled to the lift drive assembly 232;

the lifting driving assembly 232 drives the lifting seat 233 to lift one of the workpiece groups from the bottom of the corresponding storage box 222, so that the uppermost workpiece is lifted to a loading plane.

In a preferred embodiment, referring again to fig. 9, a specific structure of the lifting drive assembly 232 is shown in detail, and in particular, the lifting drive assembly 232 includes:

a Y-direction driving module 2321 disposed along the Y-axis direction; and

a Z-direction driving module 2322 disposed along the Z-axis direction and slidably connected to the Y-direction driving module 2321;

the Z-direction driving module 2322 drives the lifting seat 233 to reciprocate along the Z-axis direction, so as to lift one of the workpiece groups from the bottom of the corresponding storage box 222, so that the uppermost workpiece is lifted to a loading plane; the Y-direction driving module 2321 drives the lifting seat 233 to reciprocate along the Y-axis direction, so as to lift the workpiece group in each storage box 222.

Further, referring to fig. 10, the lift seat 233 includes:

a connecting portion 2331 slidably connected to the Z-direction driving module 2321;

at least two lifting portions 2332 arranged in parallel, each lifting portion 2332 integrally joined to the connecting portion 2331 at a top end edge of the connecting portion 2331 and extending in an X-axis direction from the top end edge of the connecting portion 2331; and

at least two support portions 2333 are disposed in parallel, and each support portion 2333 is integrally combined with the connecting portion 2331 at the outer edge of the connecting portion 2331 and extends along the X-axis direction from the outer edge of the connecting portion 2331.

In a preferred embodiment, the two lifting portions 2332 and the two support portions 2333 are disposed on both sides of the connecting portion 2331 along the Y-axis direction, and each support portion 2333 supports a corresponding one of the lifting portions 2332 to prevent the lifting portion 2332 from being bent and damaged by the gravity of the workpiece set when the workpiece set is lifted by the lifting portion 2332, thereby preventing the work efficiency from being affected.

Further, a through hole 2334 is formed in the surface of each lifting portion 2332, a first workpiece presence sensor 234 is arranged below each through hole 2334, and the first workpiece presence sensor 234 detects the presence of a workpiece inside the storage box 222;

the top end of the Z-direction driving module 2322 is provided with a second workpiece sensor 235, and the second workpiece sensor 235 detects whether a workpiece exists at the feeding plane.

In a preferred embodiment, the first workpiece presence sensor 234 is a workpiece presence sensor located downstream of the stock guide 221.

In a preferred embodiment, and with reference to fig. 11, a detailed structure of the workpiece handling assembly 24 is shown, and in particular, the workpiece handling assembly 24 comprises: a second mounting bracket 241 provided beside the workpiece lifting assembly 23; a carrying driving assembly 242 provided on the second mounting frame 241; and a grabbing module 243 slidably connected to the carrying driving assembly 242;

the carrying driving component 242 drives the grabbing module 243 to take the uppermost workpiece from the loading plane and carry the workpiece.

Referring again to fig. 11, the carrier drive assembly 242 includes: a first driving module 2421 disposed above the second mounting frame 241 and arranged along the Y-axis direction; and

a second driving module 2422 slidably connected to the first driving module 2421, the grabbing module 243 slidably connected to the second driving module 2422, and the second driving module 2422 disposed along the X-axis direction;

the second driving module 2422 drives the grabbing module 243 to reciprocate along the X-axis direction to take and transport the uppermost workpiece from the loading plane, and the first driving module 2421 drives the grabbing module 243 to reciprocate along the Y-axis direction to take and transport the uppermost workpiece from the loading plane of each storage box 222.

With reference to fig. 12, a specific structure of the grabbing module 243 is shown in detail, specifically, the grabbing module 243 includes:

a vertical drive 2432 slidably connected to the carry drive assembly 242 by a mounting plate 2431;

a grip driver 2433 drivingly connected to a power output of the vertical driver 2432; and

a clamping jaw 2434 drivingly connected to the power output of the gripping driver 2433.

In a preferred embodiment, the gripping driver 2433 is drivingly connected to the power output of the vertical driver 2432 by a connecting plate 2435.

It can be understood that the vertical driver 2432 drives the clamping jaws 2433 to reciprocate along the Z-axis direction, and the gripping driver 2433 drives the clamping jaws 2434 to clamp the uppermost workpiece at the loading plane.

Further, with reference to fig. 13, a feeding station, a fool-proof station and a recycling station are sequentially arranged on the conveying line 25 along the conveying direction; the foolproof station is provided with a jacking and horizontal rotation assembly 27 and an identification sensor 26, the identification sensor 26 is arranged right above the conveying line 25, the jacking and horizontal rotation assembly 27 is arranged right below the conveying line 25, and the recovery station is provided with a recovery assembly 28;

wherein, the recovery assembly 28 comprises a recovery jacking driving module 282 disposed right below the conveying line 25 and a recovery bin 281 disposed right above the conveying line 25, the jacking horizontal rotation component 27, the position identification sensor 26 and the recovery jacking driving module 282 are all electrically connected with the controller, the identification sensor 26 is used for sensing the workpiece at the foolproof station and identifying and judging the orientation of the workpiece at the foolproof station, the controller is configured to receive different feedback signals from the identification sensor 26 and send different control signals to the jacking horizontal rotation assembly 27 and the recovery jacking driving module 282 according to different feedback results, so as to control the jacking and horizontally rotating assembly 27 to jack up the workpiece with the wrong orientation from the conveying line 25 and horizontally rotate to the preset orientation, and control the recovery jacking driving module 282 to jack up the workpiece which cannot be identified from the conveying line 25 and place the workpiece into the recovery bin 282.

Further, with reference to fig. 15 and 16, the jacking horizontal rotation assembly 27 includes: a jacking driver 272 fixed below the conveying line 25 through a fixing seat 271; and

a rotating driver 273, which is fixedly connected with the power output end of the jacking driver 272;

the lifting driver 272 and the rotating driver 273 are electrically connected to the controller, and the controller sends different control signals to control the lifting driver 272 to lift the workpiece facing the wrong direction from the conveying line 25, and control the rotating driver 273 to drive the workpiece facing the wrong direction to rotate horizontally by 180 ° to a preset direction by taking the Z axis as an axis.

In a preferred embodiment, the lift drive 272 is a lift cylinder and the rotary drive 273 is a rotary cylinder.

Further, referring again to fig. 16, the jacking horizontal rotation assembly 27 further includes: a support bracket 274, which is in transmission connection with the power output end of the rotary drive 273, wherein the support bracket 274 supports and fixes the workpiece facing the wrong direction.

In a preferred embodiment, with reference to fig. 17, wherein a specific structure of the holder 274 is shown in detail, in particular, the holder 274 comprises: a connecting portion 2741, which is in transmission connection with the power output end of the rotating driver 273; and

the number of the supporting portions 2742 is at least 2, and the supporting portions 2742 are integrally coupled to the connection portion 2741 at the outer edge of the connection portion 2741 and extend from the outer edge of the connection portion 2741 in the Z-axis direction.

The top end surface of the supporting portion 2742 is provided with a sucking disc 2743, the sucking disc 2743 is communicated with an external air source, and the sucking disc 2743 adsorbs and fixes a workpiece facing to a wrong direction.

It can be understood that the supporting portion 2742 supports the workpiece facing the wrong direction, and the suction cup 2743 sucks and fixes the workpiece facing the wrong direction, so that the workpiece facing the wrong direction can be lifted and rotated smoothly.

Further, the identification sensor 26 is configured to identify the identification code on the surface of the workpiece at the foolproof station, and further identify and judge the orientation of the workpiece at the foolproof station.

In a preferred embodiment, the identification sensor 26 is a bar code scanner, and the identification code is one of a bar code, a two-dimensional code, and the like.

The identification sensor 26 is fixed to the right above the transmission line 25 by a support frame 261.

Further, with reference to fig. 14, each of the conveying lines 25 is provided with a first blocking module 251 at the feeding station, the conveying line 25 is provided with a second blocking module 252 at the foolproof station, the conveying line 25 is provided with a third blocking module 253 at the recovery station, the first blocking module 251, the second blocking module 252 and the third blocking module 253 are all electrically connected to the controller, and the controller controls the first blocking module 251, the second blocking module 252 and the third blocking module 253 to block the workpieces at the feeding station, the foolproof station and the recovery station, respectively.

Referring to fig. 23, a specific structure of the first barrier module 251 is shown in detail, and specifically, the first barrier module 251 includes: a blocking driver 2512 fixed to the lower side of the transmission line 25 by a fixing member 2511; and

the cross section of the blocking plate 2513 is in an L shape, and the blocking plate 2513 is in transmission connection with the power output end of the blocking driver 2512;

the blocking driver 2512 is electrically connected with the controller, and the controller sends a control signal to control the blocking driver 2512 to drive the blocking plate 2513 to block the workpiece at the feeding station.

In a preferred embodiment, the second barrier module 252 and the third barrier module 253 have the same composition as the first barrier module 251.

Further, referring to fig. 20 and 21, the recovery bin 281 includes: at least two side walls 2811, the two side walls 2811 are respectively arranged on two sides of the right above the conveying line 25 along the Y-axis direction;

at least two cladding walls 2812 fixedly connected to side ends of the side walls 2811; and

at least two sets of stopper modules, each set of stopper modules being fixedly connected to the bottom end of a corresponding one of the side walls 2811;

wherein a magazine space for workpieces is defined between the side wall 2811 and the cladding wall 2812.

Further, with reference to fig. 22, the stop module includes: a fixed seat 2813; and

a stopper plate 2814 rotatably connected to the fixed seat 2813 through a rotation shaft 2815;

the stop plate 2814 at least partially extends into the storage space, the center of gravity of the stop plate 2814 is eccentric to the axis of the rotating shaft 2815, and the center of gravity of the stop plate 2814 is close to the storage space.

In a preferred embodiment, referring to fig. 19, a specific structure of the recovery jacking driving module 282 is shown in detail, specifically, the recovery jacking driving module 282 includes: a recovery lift driver 2821 fixedly connected to the right below the conveyor line 25 by a fixing plate 2822; and

the bearing plate 2823 is in transmission connection with the power output end of the recovery jacking driver 2821;

the supporting plate 2823 supports the workpiece which cannot be identified, and the recovery jacking driver 2821 drives the supporting plate 2823 to reciprocate along the Z-axis direction so as to jack up the workpiece which cannot be identified and place the workpiece into the recovery bin 281.

The recovery jacking driver 2821 is electrically connected with the controller, and the controller sends a control signal to control the recovery jacking driver 2821 to drive the bearing plate 2823 to reciprocate along the Z-axis direction, so as to jack up and place the workpiece which cannot be identified into the recovery bin 281.

The left side and the right side of the bearing plate 2823 are provided with guide shafts 2824, and the guide shafts 2824 guide the bearing plate 2823.

Understandably, the controller sends a control signal to control the recovery jacking driver 2821 to drive the supporting plate 2823 to jack up the workpiece which cannot be identified, the workpiece which cannot be identified is in contact with the stop plate 2814 to drive the stop plate 2814 to rotate along the rotating shaft 2815, when the workpiece which cannot be identified completely enters the material storage space, the controller sends a control signal to control the recovery jacking driver 2821 to drive the supporting plate 2823 to return, and the stop plate 2814 resets to an initial state due to the action of self gravity and the gravity of the workpiece which cannot be identified, so as to bear the workpiece which cannot be identified.

Further, referring again to fig. 22, a specific structure of the fixing seat 2813 is shown in detail, specifically, the fixing seat 2813 includes: a fixing portion 2813; and

a rotation connection part 28132 integrally formed with the fixing part 2813;

the bottom end of the fixing portion 28131 is provided with a limiting surface 28133, and the limiting surface 28133 limits the stopper plate 2814 to prevent the stopper plate 2814 from rotating excessively and not returning.

Further, referring to fig. 20, a material presence sensor 2816 is disposed at a top end of the side wall 2821, the material presence sensor 2816 is electrically connected to the controller, and the material presence sensor 2816 is configured to detect whether the inside of the recycling bin 281 is filled with unidentifiable workpieces.

In a preferred embodiment, the recovery assembly 28 further comprises: the manipulator clamping jaw assembly (not shown) is electrically connected with the controller, when the material existence sensor 2816 detects that the recovery bin 281 is filled with unidentifiable workpieces, a feedback signal is sent to the controller, and the controller sends a control signal to the manipulator clamping jaw assembly according to a feedback result so as to control the manipulator clamping jaw assembly to clamp and carry the unidentifiable workpieces in the recovery bin 281.

In summary, when the magazine 222 is located at the loading station, the supporting portion 2232 of the supporting base 223 extends to a position right above the workpiece presence sensor, so that each sensing through hole 2233 and each sensing through groove 22211 are aligned with a corresponding one of the first workpiece presence sensors 234, and the workpiece presence sensor senses whether the magazine is empty.

Specifically, when each storage box 222 is located at the feeding station, workpieces are stacked up and down in each storage box 222 to form at least one workpiece group, when the first workpiece presence sensor 234 senses the workpiece group in the corresponding storage box, the first workpiece presence sensor 234 sends a workpiece group feedback signal to the controller, the controller receives the workpiece group feedback signal and then sends a control signal to the Z-direction driving module 2322 to control the Z-direction driving module 2322 to drive the lifting seat 233 to lift one of the workpiece groups from the bottom of the corresponding storage box 222 so that the uppermost workpiece is lifted to a feeding plane, when the second workpiece presence sensor 235 detects the uppermost workpiece at the feeding plane, the second workpiece presence sensor sends a workpiece feedback signal to the controller, and the controller sends a control signal to the grabbing module 243 and the carrying driving component 242 according to the feedback result, the grabbing module 243 is controlled to grab the uppermost workpiece on the feeding plane, so as to control the conveying driving assembly 242 to convey the grabbed workpiece to the feeding station of the corresponding conveying line 25;

when the first workpiece presence sensor 234 detects that one of the storage bins 222 is empty, at this time, the first workpiece presence sensor 234 sends a workpiece vacancy feedback signal to the controller, the controller sends a driving control signal to the material preparation driver and an alarm control signal to the vacancy alarm after receiving the workpiece vacancy feedback signal, the stock preparation driver receives the driving control signal, drives the empty storage box 222 from the loading station to the stock preparation station, the empty alarm device sends out a corresponding empty alarm after receiving the alarm control signal to remind the staff that the storage box 222 is in an empty state, so as to prepare the material again for the storage box 222 in the empty state at the material preparation station, after the preparation of the workpiece in the storage box 222 is completed, the controller controls the corresponding material preparation driver to drive the corresponding storage box 222 from the material preparation station to the material loading station;

meanwhile, the controller sends an adjustment control signal to the Y-direction driving module 2321 to control the Y-direction driving module 2321 to drive the lifting seat 233 to the lower side of other storage boxes 222, and sends an adjustment control signal to the carrying driving assembly 242 to control the carrying driving assembly 242 to drive the grabbing module 243 to the upper side of the corresponding storage box 222, and the lifting and carrying operations are repeated;

after the workpieces are fed onto the conveying line, the orientation of the workpieces is limited by the conveying line, and the workpieces can be moved to the conveying line in only two ways: firstly, the orientation of the workpiece is consistent with a preset orientation, namely the included angle between the orientation of the workpiece and the preset orientation is 0 DEG, and the orientation of the workpiece is defined to be correct; and secondly, the orientation of the workpiece is opposite to the preset orientation, namely the included angle between the orientation of the workpiece and the preset orientation is 180 degrees, and the orientation error of the workpiece is defined at the moment. When the orientation of the workpiece is correct, the end of the workpiece opposite to the downstream of the production line is defined as a front end, whereas the end of the workpiece opposite to the upstream of the production line is defined as a rear end, and a unique identification feature such as a bar code, a two-dimensional code, a structural code and the like is usually arranged at the fixed position of the front end of the workpiece.

During specific adjustment, when a workpiece is conveyed to a foolproof station, if the orientation of the workpiece is correct, the identification sensor 26 can sense identification characteristics, at the moment, the identification sensor 26 sends a feedback signal that the orientation of the workpiece is correct to the controller, the controller sends a release control signal to the jacking horizontal rotation assembly after receiving the feedback signal that the orientation of the workpiece is correct, the jacking horizontal rotation assembly 27 does not act after receiving the release control signal, and the workpiece with the correct orientation then flows to the downstream without hindrance to wait for other operations; on the contrary, if the orientation of the workpiece is wrong, the recognition sensor 26 cannot sense the recognition feature, at this time, the recognition sensor 26 sends a feedback signal of the wrong orientation of the workpiece to the controller, the controller sends an adjustment control signal to the jacking and horizontal rotation assembly after receiving the feedback signal of the wrong orientation of the workpiece, and after receiving the adjustment control signal, the jacking and horizontal rotation assembly 27 jacks up the workpiece with the wrong orientation from the conveying line 25 and horizontally rotates the workpiece by 180 degrees to the correct orientation by taking the Z axis as the axis;

the recognition sensor 26 senses the recognition feature of the workpiece after the horizontal rotation again, if the recognition sensor 26 can sense the recognition feature, the recognition sensor 26 sends a feedback signal that the workpiece can sense the recognition feature to the controller, the controller sends a release control signal to the recovery jacking driving module after receiving the feedback signal that the workpiece can sense the recognition feature, the recovery jacking driving module 282 does not act after receiving the release control signal, and the workpiece which is correctly oriented and can sense the recognition feature flows to the downstream without hindrance to wait for other operations; if the recognition sensor 26 still cannot sense the recognition feature, at this time, the recognition sensor 26 sends a feedback signal that the workpiece cannot sense the recognition feature to the controller, the controller receives the feedback signal that the workpiece cannot sense the recognition feature and then sends a recovery control signal to the recovery jacking driving module, after the recovery jacking driving module 282 receives the recovery control signal, when the workpiece that cannot sense the recognition feature is conveyed to the recovery station, the recovery jacking driving module 282 jacks up the workpiece that cannot sense the recognition feature from the conveying line 25 and places the workpiece in the recovery bin 281 for recovery.

The number of apparatuses and the scale of the process described herein are intended to simplify the description of the present invention. Applications, modifications and variations of the present invention will be apparent to those skilled in the art.

While embodiments of the invention have been disclosed above, it is not intended to be limited to the uses set forth in the specification and examples. It can be applied to all kinds of fields suitable for the present invention. Additional modifications will readily occur to those skilled in the art. It is therefore intended that the invention not be limited to the exact details and illustrations described and illustrated herein, but fall within the scope of the appended claims and equivalents thereof.

Claims

1. The utility model provides an alternating material loading and conveyor which characterized in that includes:

a silo (22) comprising at least two storage bins (222) arranged in parallel;

the workpiece lifting assembly (23) is arranged beside the bin (22);

a workpiece carrying assembly (24) arranged beside the workpiece lifting assembly (23); and

at least two groups of conveying lines (25) which are arranged in parallel, wherein the two conveying lines (25) are arranged below the workpiece lifting assembly (24);

wherein, the workpieces are stacked up and down in each storage box (222) to form at least one group of workpieces, the workpiece lifting assembly (23) lifts one group of workpieces from the bottom of the corresponding storage box (222) so that the uppermost workpiece is lifted to a loading plane, and the workpiece carrying assembly (24) takes the uppermost workpiece from the loading plane and carries the uppermost workpiece to the corresponding group of conveying lines (25) for conveying.

2. The alternating loading and conveying device according to claim 1, characterized in that said silo (22) further comprises:

a controller;

at least two stock preparation guide rails (221) which are arranged in parallel are provided with a stock preparation station and a feeding station which are sequentially arranged along the extension direction of the stock preparation guide rails; and

at least two groups of bearing bases (223), wherein each group of bearing bases (223) is in sliding connection with a corresponding stock guide rail (221);

wherein each group of the storage boxes (222) is provided with at least one workpiece presence sensor located downstream of the stock preparation guide rail (221), and each group of the support bases (223) comprises:

a connecting portion (2231) slidably connected to a corresponding one of the stock guide rails (221); and

the bearing part (2232) is fixedly connected with the connecting part (2231), at least one sensing through hole (2233) penetrating through the upper surface and the lower surface of the bearing part (2232) is formed in the bearing part (2232), when the bearing base (223) is located at the feeding station, the bearing part (2232) extends to a position right above the workpiece sensor or not so that each sensing through hole (2233) is aligned with a corresponding workpiece sensor or not, the workpiece sensor or not is electrically connected with the controller, the controller is used for receiving sensing signals of the workpiece sensor or not, and when all the workpieces of one group of the storage boxes (222) have or not and all feed back workpiece idle signals, the controller judges that the current storage box (222) is in an idle state.

3. The alternating loading and delivery device according to claim 1, wherein each group of storage bins (222) further comprises an empty alarm electrically connected to the controller, wherein when one group of storage bins (222) is determined to be empty, the empty alarm associated with that storage bin (222) issues an empty alarm.

4. The alternating loading and conveying device according to claim 1, characterized in that said workpiece lifting assembly (23) comprises:

the first mounting frame (231) is arranged beside the storage bin (22);

a lift drive assembly (232) disposed on the first mounting bracket (232); and

a lift seat (233) slidably coupled to the lift drive assembly (232);

wherein, the lifting driving component (232) drives the lifting seat (233) to lift one group of the workpieces from the bottom of the corresponding storage box (222) so that the uppermost workpiece is lifted to a loading plane.

5. The alternating loading and delivery device according to claim 1, wherein said lifting seat (233) comprises:

a connecting part (2331) which is connected with the Z-direction driving module (2321) in a sliding manner;

at least two lifting parts (2332) arranged in parallel, wherein each lifting part (2332) is integrally combined with the connecting part (2331) at the top end edge of the connecting part (2331) and extends along the X-axis direction from the top end edge of the connecting part (2331); and

the support part comprises at least two support parts (2333) which are arranged in parallel, wherein each support part (2333) is integrally combined with the connecting part (2331) at the outer edge of the connecting part (2331) and extends along the X-axis direction from the outer edge of the connecting part (2331).

6. The alternating loading and transfer device according to claim 1, characterized in that each conveyor line (25) is provided with a loading station, a foolproof station and a recovery station in sequence along the conveying direction thereof; the foolproof station is provided with a jacking and horizontal rotation assembly (27) and an identification sensor (26), the identification sensor (26) is arranged right above the conveying line (25), the jacking and horizontal rotation assembly (27) is arranged right below the conveying line (25), and the recovery station is provided with a recovery assembly (28);

wherein, retrieve subassembly (28) including locate retrieve jacking drive module (282) under transmission line (25) and locate retrieve workbin (281) directly over transmission line (25), jacking flat turn subassembly (27), position identification sensor (26) and retrieve jacking drive module (282) all with the controller electricity is connected, identification sensor (26) are used for responding to prevent slow-witted work piece and discernment judge the work piece orientation of preventing slow-witted station department, the controller is used for receiving the different feedback signal of identification sensor (26) and according to different feedback results to jacking flat turn subassembly (27) and retrieve jacking drive module (282) send different control signal, in order to control jacking flat turn subassembly (27) will face wrong work piece jack-up and flat turn to predetermineeing the orientation from transmission line (25), and controlling the recovery jacking driving module (282) to jack up the unidentifiable workpiece from the conveying line (25) and placing the workpiece into the recovery bin (282).

7. The alternating loading and delivery apparatus according to claim 1, wherein said jacking and leveling assembly (27) comprises: a jacking driver (272) which is fixedly connected below the conveying line (25) through a fixed seat (271); and

the rotating driver (273) is fixedly connected with the power output end of the jacking driver (272);

the jacking driver (272) and the rotating driver (273) are electrically connected with the controller, the controller sends different control signals to control the jacking driver (272) to jack up a workpiece facing the wrong direction from the conveying line (25), and control the rotating driver (273) to drive the workpiece facing the wrong direction to rotate horizontally by 180 degrees to a preset direction by taking the Z axis as an axis.

8. The alternating loading and delivery apparatus according to claim 1, wherein said jacking and leveling assembly (27) further comprises: and the bearing seat (274) is in transmission connection with the power output end of the rotary driver (273), and the bearing seat (274) bears and fixes the workpiece facing the wrong direction.

9. The alternating loading and transfer device according to claim 1, characterized in that said recovery bin (281) comprises: at least two side walls (2811), wherein the two side walls (2811) are respectively arranged on two sides of the right upper part of the conveying line (25) along the Y-axis direction;

at least two cladding walls (2812) fixed to the side ends of the side walls (2811); and

at least two sets of stop modules, each set of stop modules being fixedly connected to the bottom end of a corresponding one of the side walls (2811);

wherein a magazine space for workpieces is defined between the side wall (2811) and the cladding wall (2812).

10. The alternating loading and delivery apparatus of claim 1, wherein the stop module comprises: a fixed seat (2813); and

a stop plate (2814) which is rotatably connected with the fixed seat (2813) through a rotating shaft (2815);

the stop plate (2814) at least partially extends into the storage space, the center of gravity of the stop plate (2814) is eccentric to the axis of the rotating shaft (2815), and the center of gravity of the stop plate (2814) is close to the storage space.