CN210339541U

CN210339541U - Workpiece feeding system

Info

Publication number: CN210339541U
Application number: CN201920869828.9U
Authority: CN
Inventors: 郅进男; 李金华; 龙智辉; 林应听; 杜昌发; 姚何
Original assignee: Dongguan Chaori Automation Equipment Technology Co ltd
Current assignee: Dongguan Chaori Automation Equipment Technology Co ltd
Priority date: 2019-06-11
Filing date: 2019-06-11
Publication date: 2020-04-17
Anticipated expiration: 2029-06-11

Abstract

The utility model discloses a workpiece feeding system, which comprises a stock bin, a negative pressure suction device, a feeding funnel, a translation track, a CCD unit, a controller and a manipulator; the bin is positioned below the feeding funnel, and the negative pressure suction device is connected between the bin and the feeding funnel so as to suck the workpiece from the bin to the feeding funnel; the translation track is positioned below the feeding funnel and connected to a discharge hole of the feeding funnel; the CCD unit shoots towards the translation track to capture the position and the image of the workpiece and feeds the image back to the controller; the manipulator is connected with a driving device, the driving device is connected with the controller, and the driving device drives the manipulator to move from the translation track to take the required workpiece; and the output end of the translation track is positioned above the stock bin and is connected with the stock bin. So, realize work piece automatic feeding, be applicable to different work piece material loadings, the commonality is good, and the material loading is smooth and easy, workpiece on the automatic identification translation track, effectively avoid the feeding bad.

Description

Workpiece feeding system

Technical Field

The utility model relates to a work piece material loading field technique especially indicates a work piece feeding system.

Background

When the connector rubber shell is fed, the connector rubber shell is usually output by a vibrating disc, the output end of the vibrating disc is connected with a linear track, and when the connector rubber shell is actually fed, as part of the rubber shell has burrs, the rubber shell cannot smoothly move in a flow channel, so that faults are caused, the operation controllability and stability of equipment are not satisfactory, the feeding efficiency is limited, and the integral operation efficiency of the equipment is difficult to improve; among the prior art, to the material loading of the gluey shell of difference, need different vibration dish + straight line track, on the one hand, the cost time is long when changing the operation, and the cost of labor is high, has also occupied the effective operating time of board, and on the other hand needs dispose multiple vibration dish + straight line track and forms different feeding system, has also increased equipment cost undoubtedly.

Therefore, a new technical solution needs to be developed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model discloses to the disappearance that prior art exists, its main objective provides a work piece feeding system, and it realizes work piece automatic feeding, need not manual operation, improves work efficiency, especially, is applicable to different work piece material loadings, and the commonality is good, and the material loading is smooth and easy nature good, discerns the work piece on the translation track automatically, effectively avoids the feeding bad.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a workpiece feeding system comprises a stock bin, a negative pressure suction device, a feeding hopper, a translation track, a CCD unit, a controller and a manipulator; wherein:

the bin is positioned below the feeding funnel, and the negative pressure suction device is connected between the bin and the feeding funnel so as to suck the workpiece from the bin to the feeding funnel; the translation track is positioned below the feeding funnel and connected to a discharge hole of the feeding funnel; the CCD unit shoots towards the translation track to capture the position and the image of the workpiece and feeds the image back to the controller; the manipulator is connected with a driving device, the driving device is connected with the controller, and the driving device drives the manipulator to move from the translation track to take the required workpiece; and the output end of the translation track is positioned above the stock bin and is connected with the stock bin.

As a preferable scheme, a jig is arranged on the outer side of the output end of the translation track, and a gap is formed between the jig and the output end of the translation track; the manipulator reciprocates between the translation track and the jig.

As a preferred scheme, the feed bin is provided with an upper end recycling port, and the upper end recycling port is arranged corresponding to the output end of the translation track.

Preferably, the translation rail is a straight rail extending left and right.

As a preferred scheme, be provided with the conveyer trough that extends about on the translation track, the bottom surface of conveyer trough is the inclined plane that sets up to the back slant from going forward.

Preferably, the translation rail is provided with a linear feeder.

As a preferred scheme, the discharge hole of the feeding hopper and the translation track extend in the same direction.

Preferably, the driving device comprises an X-axis driving mechanism for controlling the left-right displacement of the manipulator and a Z-axis driving mechanism for controlling the up-down lifting of the manipulator, and the manipulator is provided with a rotation driving mechanism for controlling the rotation of the manipulator around the Z-axis.

Compared with the prior art, the utility model has obvious advantages and beneficial effects, concretely, according to the technical scheme, the automatic feeding of workpieces such as a rubber shell (such as a connector rubber shell) is realized mainly through the arrangement and the matching of the stock bin, the negative pressure material suction device, the feeding funnel, the translation track, the CCD unit, the controller and the manipulator, the manual operation is not needed, the working efficiency is improved, especially, the automatic feeding device is suitable for feeding different workpieces, the universality is good, the equipment cost is reduced, the time for replacing the feeding system is saved, the waste of the manpower cost for replacing operation and the equipment operation time is avoided, meanwhile, the feeding smoothness is good, the equipment operation stability, the processing efficiency and the processing yield are improved, the workpiece on the translation track is automatically identified, the manipulator only moves the workpiece meeting the arrangement requirement, the workpiece not meeting the arrangement requirement flows back to the stock bin, poor feeding is effectively avoided;

secondly, the placing angle of the workpiece can be adjusted to transfer the workpiece with the optimal angle to the jig, and the image signal parameters of the workpiece and the placing angle signal parameters of the workpiece are reflected through a set reference image stored in the controller; after the comparison, the workpiece is considered to be a correctly arranged workpiece, the controller also analyzes the placing angle of the workpiece, and after the manipulator takes the workpiece, the controller compares the actual placing angle of the workpiece with the set placing angle and controls the manipulator to rotate by a corresponding angle so as to rotate the workpiece to the set angle;

moreover, be provided with the conveyer trough that extends about on the translation track, the bottom surface of conveyer trough is from going to the inclined plane that the back slant set up, like this, can be so that the work piece can lean on to lower one side during the motion, and the work piece is arranged along lower one side location, and on the one hand, arrange neatly, and on the other hand, by on one side, also make things convenient for the manipulator to get the work piece nearby.

To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is an assembled perspective view of an embodiment of the present invention;

FIG. 2 is a front view of an embodiment of the present invention;

FIG. 3 is a diagram illustrating a loading operation according to an embodiment of the present invention;

FIG. 4 is a sectional view A-A of FIG. 3;

FIG. 5 is a partial cross-sectional view of an embodiment of the invention;

FIG. 6 is a cross-sectional view B-B of FIG. 2;

FIG. 7 is an enlarged fragmentary view of FIG. 6;

fig. 8 is a diagram of a representative workpiece structure to which embodiments of the invention are applicable.

The attached drawings indicate the following:

10. feed bin 11 and upper end recovery port

20. Negative pressure suction device 30 and feeding funnel

31. Discharge port 40, translation track

41. Conveying trough 411, inclined plane

42. Linear feeder 421 and mounting plate

50. CCD unit 60 and manipulator

61. X-axis drive mechanism 62 and Z-axis drive mechanism

63. Rotary drive mechanism 64 and suction nozzle

70. Jig 80 and rubber shell.

Detailed Description

Fig. 1 to 8 show specific structures of embodiments of the present invention. It is mainly applicable to the feeding of workpieces with at least two different arrangement surfaces (for example, different upper and lower arrangement surfaces), such as the rubber shell 80 (connector rubber shell, etc.), but is not limited to the feeding of rubber shells (for example, connector rubber shell).

A workpiece feeding system comprises a stock bin 10, a negative pressure suction device 20, a feeding hopper 30, a translation track 40, a CCD unit, a controller and a manipulator 60; wherein:

the bin 10 is positioned below the loading hopper 30, and the negative pressure suction device 20 is connected between the bin 10 and the loading hopper 30 to suck the workpieces from the bin 10 to the loading hopper 30; the translation track 40 is positioned below the feeding hopper 30 to be connected with the discharge hole 31 of the feeding hopper 30; the CCD unit shoots and captures the position and the image of the workpiece towards the translation track 40 and feeds the position and the image back to the controller; the manipulator 60 is connected with a driving device, the driving device is connected with a controller, and the driving device drives the manipulator 60 to move a required workpiece from the translation track 40; and the output end of the translation track 40 is positioned above the bin 10 and is connected with the bin 10.

Usually, a jig 70 is disposed outside the output end of the translation rail 40, and a gap is formed between the jig 70 and the output end of the translation rail 40; the manipulator 60 reciprocates between the translation rail 40 and the jig 70.

The storage bin 10 is provided with an upper end recovery port 11, and the upper end recovery port 11 is arranged corresponding to the output end of the translation track 40. Here, the upper end recovery port 11 is located below the output end of the translation rail 40, and the upper end recovery port 11 extends rightward to be beyond the output end of the translation rail 40, so that it is possible to surely catch all of the dropped workpieces. In this embodiment, the right side of the bin 10 is an inclined plane, which extends downward from right to left, a section of sink groove is formed at the bottom of the bin 10, a falling workpiece slides into the sink groove along the inclined plane, the lower end of the negative pressure suction device 20 is connected with a first suction pipe, the first suction pipe extends vertically, and an opening at the lower end of the first suction pipe faces the sink groove, so as to ensure that the workpiece smoothly enters the first suction pipe; and the upper end of the negative pressure material suction device 20 is connected with a second suction pipe, the second material suction pipe extends upwards and bends rightwards to form an arc shape and then extends downwards, therefore, the second material suction pipe is integrally in an inverted J shape, the lower end opening of the right side of the second material suction pipe extends into the feeding funnel 30, and the second material suction pipe is not limited to extend into the feeding funnel 30, and only the requirement that the lower end opening of the right side of the second material suction pipe is located above the upper end opening of the feeding funnel 30 is met, so that the workpiece falls into the feeding funnel 30 from the negative pressure material suction device 20.

The workpiece falls onto the translation rail 40 through a discharge port at the lower end of the loading hopper 30 in the loading hopper 30. The feeding funnel 30 is provided with a tapered cavity with a large upper part and a small lower part, and a discharge hole at the lower end of the feeding funnel is arranged at a closing hole; the translation rail 40 is a straight rail extending right and left. The translation track 40 is provided with a conveying groove 41 extending left and right, the bottom surface of the conveying groove 41 is an inclined surface 411 arranged obliquely from front to back, the width of the conveying groove 41 is larger than the discharge hole at the lower end of the feeding funnel 30, and the discharge hole at the lower end of the feeding funnel 30 is larger than the size of the rubber shell, so that after the rubber shell falls onto the conveying groove, under the action of a linear feeder, the rubber shell is close to the lower side during movement, the rubber shell is positioned and arranged along the lower side, and is arranged neatly, and meanwhile, the manipulator 60 is convenient to approach to a workpiece (here, the lower side is arranged at the rear end of the conveying groove, and the manipulator 60 is arranged corresponding to the rear end of the conveying groove); the conveying trough is suitable for rubber shells of different sizes by utilizing the mode that the rubber shells are arranged close to one side, and has good universality and good feeding smoothness.

Here, the translation rail 40 is provided with a linear feeder 42, as shown in fig. 1, the upper end of the bin 10 is connected with the linear feeder 42 in a supporting manner, and the linear feeder 42 is installed and positioned by using the bin 10, so that the structural design of the whole feeding system is more compact and reasonable, and the occupied space is small. Here, the feed bin 10 has preceding curb plate, posterior lateral plate, left side board, right side board and bottom plate, and its preceding curb plate, posterior lateral plate, left side board all are vertical board, and the right side board is the vertical board that is connected with a segment at the lower extreme of swash plate, and the upper end is the design of full open-type, when installation straight line feeder 42, connects in the top of preceding curb plate, posterior lateral plate through a mounting panel 421. The discharge port of the feeding funnel 30 and the translation track 40 extend in the same direction, and the front-back width of the discharge port is smaller than the front-back width of the conveying groove 41, so that the workpiece can enter the conveying groove 41 of the translation track 40 after falling.

In the present embodiment, the driving device includes an X-axis driving mechanism 61 for controlling the left-right displacement of the robot 60 and a Z-axis driving mechanism 62 for controlling the vertical movement of the robot 60, and the robot 60 is provided with a rotation driving mechanism 63 for controlling the rotation of the robot 60 around the Z-axis. The X-axis driving mechanism 61 is driven by a motor and can be driven by a transmission belt or a screw rod, so that the manipulator 60 can perform reciprocating translation in the X direction (also referred to as the left-right direction) along the transmission belt or the screw rod. And the Z-axis drive mechanism 62 may be a motor or an air cylinder. Of course, the X-axis drive mechanism 61 may be an air cylinder.

A workpiece feeding method comprises the steps that a workpiece is sucked from a bin 10 to a feeding funnel 30 through a negative pressure suction device 20, the workpiece falls onto a translation track 40 from a discharge port through the interior of the feeding funnel 30, a CCD unit shoots towards the translation track 40 to capture the position and the image of the workpiece and feeds the image back to a controller, the controller compares the image of the workpiece fed back by the CCD unit with a set reference image, if the comparison result is consistent, the workpiece is considered to be correctly arranged, and the controller controls a driving device to drive a manipulator 60 to move the required workpiece from the translation track 40 according to the position information of the correctly arranged workpiece; if the comparison result is inconsistent, the workpiece is considered to be a wrongly arranged workpiece, the workpiece is output to the output end along the translation track 40 and flows back into the bin 10, and the negative pressure suction device 20 sucks the workpiece into the feeding hopper 30 again to perform the next process.

The setting reference image is stored in the controller and reflects the image signal parameters of the workpiece and the placing angle signal parameters of the workpiece; after the comparison, the workpiece is considered to be a correctly arranged workpiece, the controller also analyzes the placing angle of the workpiece, and after the manipulator 60 takes the workpiece, the controller compares the actual placing angle of the workpiece with the set placing angle and controls the manipulator 60 to rotate by a corresponding angle so as to rotate the workpiece to the set angle.

In the embodiment, the manipulator 60 has a suction nozzle structure and has a suction nozzle 64, so that the manipulator 60 sucks and transfers the rubber shell 80 from the translation rail 40 to the jig; of course, other configurations for the robot 60 are possible, such as: grasping (also referred to as clamping) means, and the like.

The utility model is mainly characterized in that the automatic feeding of workpieces such as rubber shells (such as connector rubber shells) is realized through the arrangement and the cooperation of a bin, a negative pressure suction device, a feeding funnel, a translation track, a CCD unit, a controller and a manipulator, the automatic feeding of workpieces such as the rubber shells is not required, the working efficiency is improved, especially, the feeding funnel is suitable for feeding different workpieces, the universality is good, the equipment cost is reduced, the time for replacing a feeding system is saved, the waste of the labor cost for replacing and the equipment running time is avoided, meanwhile, the feeding smoothness is good, the equipment running stability and the processing efficiency are improved, the processing yield is improved, the workpieces on the translation track are automatically identified, the manipulator only moves the workpieces meeting the arrangement requirement, the workpieces which do not meet the arrangement requirement flow back to the bin, and the feeding is effectively avoided to be bad;

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. A work piece feeding system which characterized in that: the device comprises a storage bin, a negative pressure material suction device, a loading hopper, a translation track, a CCD unit, a controller and a manipulator; wherein:

2. The workpiece feeding system according to claim 1, wherein: a jig is arranged on the outer side of the output end of the translation rail, and a gap is formed between the jig and the output end of the translation rail; the manipulator reciprocates between the translation track and the jig.

3. The workpiece feeding system according to claim 1, wherein: the feed bin has an upper end and retrieves the mouth, the mouth is retrieved to the upper end and is corresponded the orbital output setting of translation.

4. The workpiece feeding system according to claim 1, wherein: the translation track is a straight track extending from left to right.

5. The workpiece loading system of claim 4, wherein: the translation is provided with the conveyer trough that extends about on the track, the bottom surface of conveyer trough is from going to the inclined plane of back slant setting.

6. The workpiece loading system of claim 4, wherein: the translation track is configured with a linear feeder.

7. The workpiece feeding system according to claim 1, wherein: the discharge hole of the feeding funnel and the translation track extend in the same direction.

8. The workpiece feeding system according to claim 1, wherein: the driving device comprises an X-axis driving mechanism for controlling the left-right displacement of the manipulator and a Z-axis driving mechanism for controlling the manipulator to ascend and descend, and the manipulator is provided with a rotary driving mechanism for controlling the manipulator to rotate around a Z axis.