CN217457886U - Material transfer equipment - Google Patents

Abstract

The application relates to material transfer equipment which comprises a carrying platform, a transfer device and a vacuum feedback device, wherein the carrying platform is provided with a material taking area; the transfer device comprises a mechanical arm and a vacuum sucking and releasing mechanism which are connected with each other, the vacuum feedback device is communicated with the vacuum sucking and releasing mechanism and used for testing the sucking vacuum value of the sucking assembly in the vacuum sucking and releasing mechanism so as to judge whether the sucking assembly successfully sucks the material according to the sucking vacuum value. Compared with the prior art, the material transfer equipment provided by the application can accurately judge whether the suction assembly successfully adsorbs the materials through testing the suction vacuum value, and effectively avoids the situations of material shortage, material absence and the like during material transfer; compared with the existing visual judgment mode, the mode that the vacuum feedback device judges the material suction condition by using the suction vacuum value has quicker response and lower cost, has less limitation on the specification of materials in the material tray, can enable the material transfer equipment to be compatible with the transfer and production of various lenses under the condition that the materials are not required to be cut, and greatly improves the whole-line production efficiency.

Description

Material transfer equipment

Technical Field

The application relates to the technical field of material transfer, in particular to material transfer equipment.

Background

The existing automatic lens part feeding machine usually monitors the material condition in the material tray through a vision mechanism when taking the lens parts in the material tray so as to prevent the phenomena of less material and no material in the transferring process, but the shooting judging mode makes the material tray difficult to compatibly transfer the lens parts with various specifications, the whole cost is high, the reaction speed is slow, the lens parts cannot be rapidly supplied, and the production efficiency of the whole line is poor.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to provide a material transfer apparatus.

A material transfer apparatus, comprising:

the material taking device comprises a carrying platform, a material taking device and a control device, wherein the carrying platform is provided with a material taking area which is used for placing a material disc;

the transfer device comprises a mechanical arm and a vacuum sucking and releasing mechanism which are connected with each other, wherein the vacuum sucking and releasing mechanism comprises a sucking assembly and a vacuum generator communicated with the sucking assembly; the mechanical arm is arranged on the carrying platform; the suction assembly is arranged at the execution tail end of the mechanical arm, can move along with the movement of the execution tail end and is used for sucking materials from a material tray placed in the material taking area under the action of the vacuum generator; and

and the vacuum feedback device is communicated with the vacuum sucking and releasing mechanism and is used for testing the sucking vacuum value of the sucking assembly so as to judge whether the sucking assembly successfully sucks the material according to the sucking vacuum value.

In one embodiment of the present invention, the vacuum feedback device is communicably connected to the mechanical arm, and the vacuum feedback device is configured to send a suction success command to the mechanical arm when the suction vacuum value reaches a suction preset value, and send a suction failure command to the mechanical arm when the suction vacuum value does not reach the suction preset value; the mechanical arm is used for driving the suction assembly to transfer the materials out of the material tray when receiving the suction success command, and driving the suction assembly to suck the materials in the next object placing grid of the material tray when receiving the suction failure command.

The utility model discloses in one of them embodiment, the subassembly of absorbing includes two suction pieces that set up side by side, every suction piece all corresponds and is connected with one the vacuum feedback device, when two the vacuum feedback device all sends and absorbs successful instruction and gives when the arm, the arm drives the subassembly of absorbing will the material shifts out the charging tray.

The utility model discloses in one of them embodiment, the microscope carrier still is provided with the material loading district, material transfer equipment still includes loading attachment, loading attachment set up in the material loading district for with the charging tray is followed the material loading district is carried to get the material district.

In one embodiment of the present invention, the material transferring device further comprises a tray dividing device, wherein the tray dividing device comprises a clamping assembly, a jacking member and a feeding assembly, which are arranged in the feeding area; the jacking piece is arranged below the feeding assembly and provided with a plurality of jacking positions, the jacking positions are used for being matched with the clamping assembly to enable the material tray which is positioned at the lowest layer at each time to fall onto the feeding assembly, and the material tray is conveyed to the material taking area through the feeding assembly.

The utility model discloses in one of them embodiment, material transfer equipment still includes bilateral correlation sensor, bilateral correlation sensor set up in get the both sides in material district, and communicably connect in divide the set device, be used for to divide the set device feedback get the material district and whether place the charging tray.

The utility model discloses in one of them embodiment, material transfer equipment still includes the location frock, the location frock set up in get the material district, be used for with the charging tray is spacing in get the material district.

The utility model discloses in one of them embodiment, the location frock includes plastic cylinder and locating component, locating component including set up relatively in get the first limiting plate and the second limiting plate of material district both sides, first limiting plate set firmly in the microscope carrier, the second limiting plate link firmly in the free end of plastic cylinder, the plastic cylinder is used for driving the second limiting plate to first limiting plate is close to fix to be located in with the centre gripping get the material district the charging tray.

In one embodiment of the present invention, the carrier further has a material return opening, and the material transferring apparatus further includes a material return device disposed below the material return opening for taking the material tray away from the material taking area from the material return opening.

In one embodiment of the present invention, the material returning device includes a vertically disposed lifting module, a sliding connection in the material receiving member of the lifting module and a horizontally disposed return line body, the material receiving member is used for connecting the material receiving member of the material taking area to the material tray, and the lifting module is used for conveying the material tray to the return line body.

Compared with the prior art, the vacuum feedback device of the material transfer equipment can accurately judge whether the suction assembly successfully adsorbs the materials through testing the suction vacuum value, so that the situations of material shortage, material absence and the like during material transfer are effectively avoided; compared with the existing visual judgment mode, the mode that the vacuum feedback device judges the material suction condition by using the suction vacuum value has quicker response and lower cost, has less limitation on the specification of materials in the material tray, can enable the material transfer equipment to be compatible with the transfer and production of various lenses under the condition that the materials are not required to be cut, and greatly improves the whole-line production efficiency.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments or the conventional technologies of the present application, the drawings used in the descriptions of the embodiments or the conventional technologies will be briefly introduced below, it is obvious that the drawings in the following descriptions are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of a material handling apparatus provided herein;

FIG. 2 is a schematic view of a portion of the material handling apparatus of FIG. 1 from a first perspective;

FIG. 3 is a schematic view of a portion of the material handling apparatus of FIG. 1 from a second perspective;

FIG. 4 is a schematic view of a portion of the transfer device of FIG. 1;

fig. 5 is a schematic view of a part of the structure of the feeding back device in the present application.

Reference numerals: 100. a material transfer device; 10. a stage; 11. a feeding area; 12. a material taking area; 13. a blanking area; 14. a feed back port; 20. a feeding device; 30. a disc separating device; 31. a clamping assembly; 311. a clamping member; 312. a distribution cylinder; 32. a jacking piece; 33. a feeding assembly; 331. a feeding plate; 332. a feeding cylinder; 40. a transfer device; 41. a mechanical arm; 411. an execution end; 42. a vacuum sucking and releasing mechanism; 421. a suction assembly; 4211. a suction member; 422. a vacuum generator; 50. a vacuum feedback device; 51. a circuit connection member; 52. a gas circuit connecting piece; 60. a blanking device; 61. blanking fluid; 62. a jig; 70. a material returning device; 71. receiving a material part; 72. a lifting module; 73. a streamlined body; 80. positioning a tool; 81. a shaping cylinder; 82. a positioning assembly; 821. a first limit plate; 822. a second limiting plate; 90. a bilateral correlation sensor; 101. a safety grating; 102. a frame; 200. a material tray; 300. a lens component.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiments in many different forms than those described herein and that modifications may be made by one skilled in the art without departing from the spirit and scope of the application and it is therefore not intended to be limited to the specific embodiments disclosed below.

It will be understood that when an element is referred to as being "secured to" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used in the description of the present application are for illustrative purposes only and do not represent the only embodiments.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may mean that the first feature is in direct contact with the second feature, or that the first feature and the second feature are in indirect contact via an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

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

The existing automatic lens part feeding machine usually monitors the material condition in the material tray through a vision mechanism when taking the lens parts in the material tray so as to prevent the phenomena of less material and no material in the transferring process, but the shooting judging mode makes the material tray difficult to compatibly transfer the lens parts with various specifications, the whole cost is high, the reaction speed is slow, the lens parts cannot be rapidly supplied, and the production efficiency of the whole line is poor.

With reference to fig. 1, fig. 1 is a schematic structural diagram of a material transfer device 100 provided in the present application; the present application provides a material transfer device 100 for transferring a lens component 300, it being understood that in other embodiments, the material transfer device 100 may be applied to transfer other materials, such as PCBA or other glass articles.

According to an embodiment of the present application, a material transfer apparatus 100 is provided, which may include a carrier 10, a transfer device 40, and a vacuum feedback device 50, where the carrier 10 is provided with a material taking area 12, and the material taking area 12 is used for placing a tray 200; the tray 200 generally has a plurality of storage compartments for storing materials, and the transfer device 40 is used for transferring the lens components 300 in the tray 200 in the material taking region 12 one by one out of the tray 200, so as to facilitate subsequent processing production.

Referring to fig. 2 to 4, fig. 2 is a partial structural schematic view of the material transporting apparatus 100 in fig. 1 at a first view; FIG. 3 is a schematic diagram of a portion of the material handling apparatus 100 of FIG. 1 from a second perspective;

fig. 4 is a partial schematic structural view of the transfer device 40 in fig. 1;

specifically, in the present embodiment, the transferring device 40 includes a robot arm 41 and a vacuum sucking and releasing mechanism 42 connected to each other, and the vacuum sucking and releasing mechanism 42 includes a sucking assembly 421 and a vacuum generator 422 communicated with the sucking assembly 421; the robot arm 41 is provided on the stage 10; the suction assembly 421 is arranged at the executing end 411 of the mechanical arm 41 and can move along with the movement of the executing end 411, and is used for sucking materials from the tray 200 placed in the material taking area 12 under the action of the vacuum generator 422; the vacuum feedback device 50 is connected to the vacuum sucking and releasing mechanism 42, and is used for testing the sucking vacuum value of the sucking assembly 421, so as to determine whether the sucking assembly 421 successfully sucks the material according to the sucking vacuum value.

The application provides a material transfer equipment 100, it is faster for the response speed of vision judgement to judge through the mode that the vacuum value judges whether the absorption material is successful, can effectively avoid the material transportation in-process to appear phenomenons such as lack of material, scarce material, and the whole cost is also lower relatively simultaneously.

In this application, the arm 41 is preferably implemented as a four-axis robot, and the four-axis robot is installed on the carrier 10 for driving the suction assembly 421 to move in multiple directions, so that the material transfer device 100 can flexibly suck and transfer the materials in the storage cells in different areas of the material tray 200. It is understood that in other embodiments, the robotic arm 41 may be a six-axis robot or other robot having multiple degrees of freedom.

Preferably, the vacuum feedback device 50 is communicably connected to the robot arm 41, and the vacuum feedback device 50 is configured to send a suction success instruction to the robot arm 41 when the suction vacuum value reaches the suction preset value, and send a suction failure instruction to the robot arm 41 when the suction vacuum value does not reach the suction preset value; the mechanical arm 41 is used for driving the suction assembly 421 to transfer the material out of the tray 200 when receiving a suction success instruction, and driving the suction assembly 421 to suck the material in the next compartment of the tray 200 when receiving a suction failure instruction. So, can guarantee that arm 41 is reliable and the transport that carries on the material that lasts, can guarantee that the supply of lens part 300 is incessant, reduce unnecessary time waste by a wide margin, improve the production efficiency of whole line. It should be noted that in the present embodiment, the vacuum feedback device 50 measures the vacuum value when the suction assembly 421 sucks the material and then is lifted by the mechanical arm 41 to be in the air, so that it can be ensured that the result of the determination of the suction success or suction failure is accurate and reliable.

Referring to fig. 3 again, in this embodiment, the vacuum feedback device 50 is communicably connected to the mechanical arm 41 through the circuit connection 51, and is connected to the suction member 4211 through the gas circuit connection 52, so as to test a suction vacuum value of the suction member 4211, in this embodiment, preferably, the preset vacuum value is-83 vacuum degree, that is, when the measured suction vacuum value of the suction member 4211 reaches-83 vacuum degree, the vacuum feedback device 50 determines that suction is successful, and sends a suction success instruction to the mechanical arm 41, and if the suction vacuum value does not reach-83 vacuum degree, determines that suction is failed, and sends a suction failure instruction to the mechanical arm 41, so that the mechanical arm 41 performs a next step according to the instruction.

Further, in this embodiment, the material transfer apparatus 100 further includes a PCL control system, the vacuum feedback device 50 and the robot arm 41 are both communicably connected to the PCL control system, and the vacuum feedback device 50 sends a suction success command or a suction failure command to the robot arm 41 through the PCL control system.

Further, in order to adapt to the shape of the lens component 300 of the present example, it is preferable that the suction assembly 421 includes two suctions 4211 arranged side by side in the present example, and the two suctions 4211 respectively suck two places of the lens component 300 to increase the suction firmness.

Further, when one of the suckers 4211 successfully sucks one side of the lens component 300 and the other sucker 4211 is shifted and fails to suck the other side of the lens component 300, there is a risk that the lens component 300 is easily dropped during transportation. Therefore, preferably, in the present embodiment, each suction member 4211 is correspondingly connected to one vacuum feedback device 50, and when both the vacuum feedback devices 50 send a suction success instruction to the mechanical arm 41, the mechanical arm 41 drives the suction assembly 421 to transfer the material out of the material tray 200. It is understood that each group of the suction assemblies 421 may also be provided with one or more than three suction members 4211 according to the complexity of the volume and the shape of the material, and each suction member 4211 may be correspondingly connected with one vacuum feedback device 50.

In other words, when the material is large or the shape is complex and a plurality of suction assemblies 421 need to be arranged, in order to avoid the risk of falling during material transfer, the mechanical arm 41 stops transferring as long as receiving any suction failure instruction, and the vacuum generator 422 interrupts the vacuum suction process to drop the lens component 300 into the tray 200, and the worker manually processes the unsuccessfully sucked material and checks the position and state of the suction assemblies 421 to adjust in time, so as to avoid the lens component 300 from being damaged or scrapped due to subsequent accidents.

It should be noted that, in this embodiment, the carrier 10 is further provided with a feeding area 11, and the material transfer apparatus 100 further includes a feeding device 20, where the feeding device 20 is provided in the feeding area 11 and is used for conveying the tray 200 from the feeding area 11 to the material taking area 12.

Further, the material transfer device 100 further comprises a disc separating device 30, and the disc separating device 30 comprises a clamping assembly 31, a jacking member 32 and a feeding assembly 33 which are arranged in the feeding area 11; the lifting member 32 is disposed below the feeding assembly 33, the lifting member 32 has a plurality of lifting positions, and the plurality of lifting positions are used for cooperating with the clamping assembly 31 to drop the tray 200 located at the lowermost layer onto the feeding assembly 33 at each time, so as to transport the tray 200 to the material taking area 12 through the feeding assembly 33. So set up, material transfer device 40 can be in succession to getting material district 12 supply charging trays 200, supplies transfer device 40 to absorb the transportation, uninterruptedly produces, improves production efficiency.

Referring to fig. 2 again, preferably, in the present application, the clamping assembly 31 includes two clamping members 311 and two distributing cylinders 312 correspondingly connecting the two clamping members 311, the lifting member 32 is a double-stroke cylinder, and the feeding assembly 33 includes a feeding plate 331 and a feeding cylinder 332.

Further, the material transfer device 100 further includes a bilateral correlation sensor 90, and the bilateral correlation sensor 90 is disposed on two sides of the material taking area 12, and is communicably connected to the tray dividing device 30, and is used for feeding back to the tray dividing device 30 whether the material taking area 12 is used for placing the material tray 200. So set up, can in time remind 11 supplementary charging trays 200 in material loading district, guarantee that transfer device 40 has the material to expect to take in material district 12, avoid appearing unnecessary time waste in the whole line production.

Referring to fig. 2 again, further, in order to prevent the material tray 200 from moving when the material is sucked by the suction assembly 421, the material transfer device 100 further includes a positioning tool 80, and the positioning tool 80 is disposed in the material taking region 12 and is used for limiting the material tray 200 in the material taking region 12. So set up, can guarantee to get material tray 200 position of material district 12 and keep stable, guarantee to put the material in the thing check and absorb the position that subassembly 421 shifted at every turn corresponding, avoid absorbing the material that subassembly 421 can't absorb the corresponding position in the transportation, perhaps appear single piece of absorbing 4211 and absorb the failure or absorb unstable condition.

Specifically, in this application, location frock 80 includes plastic cylinder 81 and locating component 82, and locating component 82 includes to set up relatively in getting first limiting plate 821 and the second limiting plate 822 of material district 12 both sides, and first limiting plate 821 sets firmly in microscope carrier 10, and second limiting plate 822 links firmly in the free end of plastic cylinder 81, and plastic cylinder 81 is used for driving second limiting plate 822 and is close to first limiting plate 821 to the fixed charging tray 200 that is located and gets material district 12 of centre gripping.

Further, in this embodiment, the carrier 10 is further provided with a blanking area 13, the material transfer device 40 further includes a blanking device 60, the blanking device 60 is disposed in the blanking area 13, the blanking device 60 includes a blanking fluid 61 and a jig 62 disposed on the blanking fluid 61, and the transfer device 40 transfers the material to the jig 62 after successfully absorbing the material, so as to provide for further processing and production.

Preferably, in this embodiment, the material transfer device 40 is further provided with a material return device 70, the carrier 10 is further provided with a material return opening 14, and the material transfer apparatus 100 further includes the material return device 70, where the material return device 70 is disposed below the material return opening 14 and is used for taking the tray 200 out of the material taking area 12 from the material return opening 14.

Referring to fig. 2 again, and referring to fig. 5 together, fig. 5 is a partial structural schematic diagram of the feeding back device 70 in the present application.

Specifically, the material returning device 70 includes a vertically arranged lifting module 72, a material receiving member 71 slidably connected to the lifting module 72, and a horizontally arranged return line body 73, and the material receiving member 71 is used for conveying the tray 200 in the material taking area 12 to the return line body 73 through the lifting module 72. Further, the terminal of the backflow line body 73 flows to the lower part of the feeding area 11, namely, the position where the operator is located; so set up, get material district 12 and can supply transfer device 40 to carry out the material transportation by charging tray 200 of constantly renewing constantly in the material district, the empty charging tray 200 of getting material district 12 can fall automatically and is collected through the streamlined body 73, need not that operating personnel makes a round trip to walk about and can take away empty charging tray 200 and reassemble the material and put into material loading district 11 and carry out the branch dish and transport, reduces personnel intensity of labour by a wide margin when improving production smooth and easy degree.

Referring to fig. 1 again, further, the feeding area 11 is further provided with a safety grating 101 for ensuring personnel safety and avoiding the phenomenon of irregular stacking of the material trays 200 due to collision.

Further, the material transfer device 100 further includes a frame 102, and the carrier 10 is disposed above the frame 102, and forms a supporting platform suitable for an operator to operate and feed materials together with the frame 102, so as to improve the working convenience of the operator.

Further, in this application, loading attachment 20, minute dish device 30, transfer device 40, reflux unit and unloader 60 also all communicably connect in PCL control system, and personnel can use PCL control system to carry out program control to each device, make and reach orderly cooperation between each device, and the more efficient transported material is produced.

Specifically, in this embodiment, the material transportation process is as follows:

an operator places good lens components 300 in the storage lattices in the material trays 200, stacks a plurality of material trays 200 with the lens components 300 in the material loading area 11 (at the moment, the double-stroke cylinder is in an initial state, namely, the double-stroke cylinder is at the lowest gear position), presses a material loading completion button on the equipment touch screen after the arm of the operator leaves the side light curtain induction area, then the tray separation device 30 starts to perform tray separation, firstly, the double-stroke cylinder lifts the material feeding piece and the material trays 200 with the lens components 300 to the highest position (namely, the double-stroke cylinder is at the highest gear position), at the moment, the material trays 200 are stacked to the top, the distribution cylinders 312 at two sides are in a contraction state, then, the double-stroke cylinder lowers the material feeding piece and the material trays 200 to the middle part, at the moment, the distribution cylinder 312 in the tray separation process drives the clamping assembly 31 to extend to support all the material trays 200 at the upper part, only one material tray 200 at the lowest layer is separated and falls on the material feeding piece, then the double-stroke cylinder drives the feeding part and a material tray 200 to move together to the bottom, the feeding cylinder 332 is fed with the allocated material tray 200 to the material taking area 12, the bilateral correlation sensors 90 at two sides of the material taking area 12 detect whether the material tray 200 arrives, after confirming that no material tray 200 arrives, the prompting alarm is given (prompting that the material feeding area 11 does not have the material tray 200 which can be replaced) and the PLC control system controls the corresponding cylinder to restore the initial state, after the operator puts the material tray 200 with the lens part 300 in the material feeding area 11 again and presses the virtual button of 'material feeding completion' on the touch screen of the device, the automatic allocation operation is continued, after confirming that the material tray 200 arrives, the automatic replacement is carried out after waiting for the previous material tray 200 to be sucked by the mechanical arm 41 and the vacuum suction mechanism, namely, the disc dividing device 30 separates the stacked material trays 200 and pushes the separated material trays to the material taking area 12, after the materials are pushed in place, the PLC control system sends in-place signals to the mechanical arm 41, the mechanical arm 41 is matched with the vacuum suction mechanism and the vacuum feedback device 50 to transfer the materials in the material tray 200 one by one, and a new material tray 200 is conveyed to the material taking area 12 from the material feeding area 11 until the whole material tray is transferred to the material taking area 200, and the process is repeated.

It should be noted that, after the tray 200 reaches the material taking region 12, the positioning tool 80 shapes and positions the tray 200 before the robot works, and clamps and fixes the tray 200 between the first limiting member and the second limiting member, so as to prevent the tray 200 from being lifted to cause deviation and affect material transfer during suction and transfer; in this embodiment, the positioning tool 80 is communicably connected to the PCL control system, and can notify the PCL control system after positioning is completed, and notify the robot by the PCL control system, the robot will absorb the corresponding lens components 300 one by one according to the transfer program, and determine whether the lens components 300 are successfully absorbed or not in mid-air by the signal of the vacuum feedback device 50 after the lens components 300 are absorbed by the absorption assembly 421, if the vacuum generation device detects the lens components 300, the robot sends an absorption failure instruction, the robot will move to the next point to absorb the lens components 300, if the vacuum generation device detects the lens components 300, the robot sends an absorption success instruction, the robot places the lens components 300 into the fixture 62 of the assembly line in the blanking area 13, after placement is completed, the robot directly goes to the next point to absorb the lens components 300 again in the same step before the next point, and after all the materials of the disc lens components 300 are absorbed, the robot first arrives at the safe position and then sends a disc material absorption completion signal to the PLC control system (if the disc is completely absorbed by the disc of the disc) 200, the PLC which is informed by the lost absorption of the lens component 300 alarms, the lens processing OK is pressed down on a touch screen of the device after manual processing, the tray 200 is normally and automatically replaced, the situation that the lens component 300 is remained in the tray 200 and is transported away from the feed back port 14 along with the tray 200 is avoided, the tray separation device 30 is triggered after the PLC control system receives a tray material absorption completion signal, the transportation work of the tray 200 is carried out according to the established motion logic, and the tray 200 is transported to the material taking region 12 from the material loading region 11; repeating the previous actions until the material taking area 12 is full of three trays 200 and is completely sucked by the robot, triggering the material returning device 70 by the PLC control system to lower the empty tray 200 to the position of the backflow line body 73 along the lifting module 72 through the material receiving part 71, enabling the backflow line body 73 to flow, enabling the empty tray to flow out from the backflow line body 73 and be taken out by workers, continuing to feed good lens components 300, and continuing to produce after the material feeding is completed.

In addition, the material transfer device 40 that this application provided has still an advantage that no matter how many work orders quantity of current production has, even when the work has not all production to accomplish when the class only need take out the storage to the charging tray 200 on the cylinder 312 of allocating, can directly shut down after waiting to produce, the system can take notes the number of dishes of current production, the personnel carry out one key initialization just can discharge current empty dish after the start on the next day, then beat and just can continue production behind the automatic mode.

Compared with the prior art, the vacuum feedback device 50 of the material transfer device 100 can accurately judge whether the suction component 421 of the vacuum suction and discharge mechanism 42 successfully adsorbs the material through testing the suction vacuum value, thereby reliably and effectively avoiding the situations of material shortage, material absence and the like during transfer; compared with the existing visual judgment mode, the mode that the vacuum feedback device 50 judges the material suction condition by using the suction vacuum value is lower in cost and quicker in reaction, the limitation on the specification of the materials in the material tray 200 is less, the material transfer equipment 100 can be simultaneously compatible with the transfer and production of various lenses under the condition that the materials are not required to be cut, and the whole-line production efficiency is greatly improved.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present application shall be subject to the appended claims.

Claims (10)

1. A material transfer apparatus, comprising:

the material taking device comprises a carrying platform, a material taking device and a control device, wherein the carrying platform is provided with a material taking area which is used for placing a material disc;

the transfer device comprises a mechanical arm and a vacuum sucking and releasing mechanism which are connected with each other, wherein the vacuum sucking and releasing mechanism comprises a sucking assembly and a vacuum generator communicated with the sucking assembly; the mechanical arm is arranged on the carrying platform; the suction assembly is arranged at the execution tail end of the mechanical arm, can move along with the movement of the execution tail end and is used for sucking materials from a material tray placed in the material taking area under the action of the vacuum generator; and

and the vacuum feedback device is communicated with the vacuum sucking and releasing mechanism and is used for testing the sucking vacuum value of the sucking assembly so as to judge whether the sucking assembly successfully sucks the material according to the sucking vacuum value.

2. The material transfer apparatus of claim 1, wherein the vacuum feedback device is communicatively coupled to the robotic arm, the vacuum feedback device configured to send a suction success command to the robotic arm when the suction vacuum value reaches a preset suction value, and send a suction failure command to the robotic arm when the suction vacuum value does not reach the preset suction value; the mechanical arm is used for driving the suction assembly to transfer the materials out of the material tray when receiving the suction success command, and driving the suction assembly to suck the materials in the next object placing grid of the material tray when receiving the suction failure command.

3. The material transfer device according to claim 2, wherein the suction assembly includes two suction members arranged side by side, each suction member is correspondingly connected with one of the vacuum feedback devices, and when both the vacuum feedback devices send a suction success command to the mechanical arm, the mechanical arm drives the suction assembly to transfer the material out of the tray.

4. The material transfer apparatus of claim 1, wherein the carrier is further provided with a loading area, and the material transfer apparatus further comprises a loading device provided in the loading area for transporting the tray from the loading area to the material taking area.

5. The material transfer apparatus of claim 4, further comprising a racking device comprising a clamping assembly, a jacking member, and a feeding assembly disposed at the loading zone; the jacking piece is arranged below the feeding assembly and provided with a plurality of jacking positions, the jacking positions are used for being matched with the clamping assembly to enable the material tray which is positioned at the lowest layer at each time to fall onto the feeding assembly, and the material tray is conveyed to the material taking area through the feeding assembly.

6. The material transfer device according to claim 5, further comprising bilateral correlation sensors, wherein the bilateral correlation sensors are disposed on two sides of the material taking area and are communicably connected to the tray dividing device, and the bilateral correlation sensors are used for feeding back to the tray dividing device whether the material taking area is used for placing a material tray.

7. The material transfer device of claim 1, further comprising a positioning tool, wherein the positioning tool is disposed in the material taking area and used for limiting the material tray in the material taking area.

8. The material transfer device according to claim 7, wherein the positioning tool includes a shaping cylinder and a positioning assembly, the positioning assembly includes a first limiting plate and a second limiting plate that are oppositely disposed at two sides of the material taking area, the first limiting plate is fixedly disposed on the carrier, the second limiting plate is fixedly connected to a free end of the shaping cylinder, and the shaping cylinder is configured to drive the second limiting plate to approach the first limiting plate so as to clamp and fix the material tray located in the material taking area.

9. The material transfer device according to claim 1, wherein the carrier further has a material return opening, and the material transfer device further comprises a material return device disposed below the material return opening and used for taking the material tray away from the material taking area from the material return opening.

10. The material transfer apparatus according to claim 9, wherein the material returning device comprises a vertically arranged lifting module, a material receiving member slidably connected to the lifting module, and a horizontally arranged material returning line body, and the material receiving member is used for conveying the material tray of the material taking area to the material returning line body through the lifting module.

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