CN110683328A

CN110683328A - Circulation feeding device

Info

Publication number: CN110683328A
Application number: CN201810726446.0A
Authority: CN
Inventors: 杜长林; 刘欣
Original assignee: Fuding Electronic Technology Jiashan Co Ltd
Current assignee: Fuding Electronic Technology Jiashan Co Ltd
Priority date: 2018-07-04
Filing date: 2018-07-04
Publication date: 2020-01-14
Anticipated expiration: 2038-07-04
Also published as: CN110683328B

Abstract

The invention provides a circulating feeding device which can circularly feed materials through a first carrier and a second carrier, the circulating feeding device comprises a frame, a first circulating line and a feeding mechanism, the automatic loading and unloading device comprises a second circulating line, a material waiting mechanism and a positioning mechanism, wherein the first circulating line and the second circulating line are adjacently arranged on a rack, the first circulating line and the second circulating line are used for moving a first carrier and a second carrier, the feeding mechanism is arranged on the rack and is positioned above the first circulating line, the feeding mechanism is used for feeding the first carrier or the second carrier on the first circulating line, the positioning mechanism is arranged on the rack and is positioned at one end, far away from the first circulating line, of the second circulating line, the positioning mechanism is used for positioning the first carrier or the second carrier for positioning and unloading, the material waiting mechanism is arranged on the rack and is positioned at one end, close to the first circulating line, of the second circulating line, and the material waiting mechanism is used for lifting the first carrier or the second carrier for waiting.

Description

Circulation feeding device

Technical Field

The invention relates to a feeding device, in particular to a circulating feeding device capable of circularly feeding materials.

Background

In process of production, often need the material loading, the material carries out the material loading for the manual work to the carrier usually, then puts into the streamline and supplies the manipulator to snatch, and operation personnel working strength is big, and the operating efficiency is low, and the demand carrier is many, and is with high costs, is unfavorable for the automation of production. It is necessary to develop a mechanism capable of recycling the material to realize the automation of the manufacturing process, thereby improving the efficiency of the manufacturing process.

Disclosure of Invention

In view of the above situation, it is necessary to provide a circulation feeding device capable of performing circulation feeding to solve the above problems.

A circulating feeding device can perform circulating feeding through a first carrier and a second carrier, and comprises a rack, a first circulating line, a feeding mechanism, a second circulating line, a waiting mechanism and a positioning mechanism, wherein the first circulating line and the second circulating line are adjacently arranged on the rack and are used for moving the first carrier and the second carrier, the feeding mechanism is arranged on the rack and is positioned above the first circulating line, the feeding mechanism is used for feeding the first carrier or the second carrier on the first circulating line, the positioning mechanism is arranged on the rack and is positioned at one end of the second circulating line, which is far away from the first circulating line, and is used for positioning the first carrier or the second carrier for positioning and unloading, the material waiting mechanism is arranged on the rack and positioned at one end, close to the first circulating line, of the second circulating line, and is used for lifting the first carrier or the second carrier for waiting.

The circulating feeding device is used for feeding the carriers by a feeding mechanism; through the cooperation of first circulation line, second circulation line and waiting to expect the mechanism for only need two carriers can realize the circulation feed, and the mechanism automation can be high, efficient and use manpower sparingly.

Drawings

Fig. 1 is a schematic perspective view of an endless feed device in an embodiment of the invention.

Fig. 2 is a partially exploded perspective view of the circulation supply device shown in fig. 1.

Description of the main elements

The following detailed description will further illustrate the invention in conjunction with the above-described figures.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present.

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 invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 and 2, the present invention provides a circulation feeding device 100. The circulation feeding device 100 can perform circulation feeding through the first carrier 200 and the second carrier 300. The circulation feeding device 100 includes a frame 10, a first circulation line 20, a feeding mechanism 30, a second circulation line 40, a waiting mechanism 50, and a positioning mechanism 60. The first circulation line 20 and the second circulation line 40 are adjacently disposed on the frame 10. The first and

second circulation lines

20 and 40 are used to move the first or

second carriers

200 and 300. The feeding mechanism 30 is disposed on the frame 10 above the first circulation line 20. The loading mechanism 30 is used for loading the first carrier 200 or the second carrier 300 on the first circulation line 20. The positioning mechanism 60 is disposed on the frame 10 and is located at an end of the second circulating line 40 away from the first circulating line 20. The positioning mechanism 60 is used for positioning the first carrier 200 or the second carrier 300 for other devices to grab the material on the first carrier 200 or the second carrier 300. The material waiting mechanism 50 is arranged on the frame 10 and is positioned at one end of the second circulating line 40 close to the first circulating line 20. The waiting mechanism 50 is used for lifting the first carrier 200 or the second carrier 300 to wait. In this embodiment, the material is a rubber plug, but not limited thereto; the first carrier 200 and the second carrier 300 are both carriers provided with a plurality of accommodating grooves (not shown), and each accommodating groove is provided with a rubber plug.

The frame 10 includes a bottom plate 11 and two side plates 12. The two side plates 12 are oppositely arranged on the bottom plate 11. The first circulation line 20 and the second circulation line 40 are sequentially disposed on the two side plates 12 and partially disposed on the bottom plate 11. The feeding mechanism 30, the waiting mechanism 50 and the positioning mechanism 60 are disposed on the two side plates 12 and partially disposed on the bottom plate 11 along the conveying direction of the first circulating line 20 and the second circulating line 40. In this embodiment, each side plate 12 includes a first side plate 121 and a second side plate 122. The two first side plates 121 are oppositely disposed on the bottom plate 11. The two second side plates 122 are oppositely disposed on the bottom plate 11 and located beside the two first side plates 121. The first circulation line 20 and the feeding mechanism 30 are disposed on the two first side plates 121 and partially disposed on the bottom plate 11. The second circulation line 40 is disposed on the two second side plates 122 and partially disposed on the bottom plate 11. The waiting mechanism 50 and the positioning mechanism 60 are sequentially disposed on the second side plate 122 and partially disposed on the bottom plate 11 along the conveying direction of the second circulation line 40.

The first circulation line 20 includes a transfer driving part 21, a first transfer belt 22, a waiting driving part 23, a first pallet 24, a stopping driving part 25, a first stopper 26, a stopping driving part 27, and a second stopper 28.

The transmission driving member 21 is disposed on the base plate 11. The first conveyor belt 22 is disposed between the two first side plates 121. The first conveyor belt 22 can move under the driving of the conveyor driving element 21 to drive the first carrier 200 or the second carrier 300 placed thereon to move. The waiting driving member 23 is disposed on the bottom plate 11. The first supporting plate 24 is disposed on the waiting driving member 23 and can move under the driving of the waiting driving member 23 to lift the first carrier 200 or the second carrier 300 on the first conveyor belt 22.

The blocking driving member 25 is disposed on the base plate 11. The first stopper 26 is disposed on the blocking driving member 25 and can move under the driving of the blocking driving member 25 to block the first carrier 200 or the second carrier 300 on the first conveyor belt 22 from moving. The stop driving member 27 is disposed on the bottom plate 11 and located on a side of the stop driving member 25 away from the waiting driving member 23. The second stopper 28 is disposed on the driving stopper 27 and can move under the driving of the driving stopper 27 to stop the first carrier 200 or the second carrier 300 on the first conveyor belt 22 from moving.

The feeding mechanism 30 includes a support frame 31, a material box 32, a material dropping box 33, a feeding driving member 34, a material stirring driving member 35, a material brush 36, two lifting driving members 37, and a support plate 38. The supporting frame 31 and the material box 32 are respectively disposed on the two first side plates 121, the supporting frame 31 and the material box 32 are respectively located above the first conveyor belt 22, and the supporting frame 31 is located above the material box 32. An opening 321 is formed in the material box 32, and the opening 321 is located above the first stopper 26 and the second stopper 28. Opening 321 is a contour of first carrier 200 and second carrier 300 to enable first carrier 200 or second carrier 300 to extend into material box 32. The drop box 33 is disposed on the bottom plate 11 and below the opening 321.

The feeding driving member 34 is disposed on the supporting frame 31. The kick-out driving member 35 is disposed on the feeding driving member 34. The material brush 36 is disposed on the material-stirring driving member 35. The material brush 36 can move under the driving of the material feeding driving member 34 and the material stirring driving member 35 to brush the material in the material box 32 onto the first carrier 200 or the second carrier 300 located in the opening 321 of the material box 32. The two lifting drivers 37 are disposed on the bottom plate 11 and located on two sides of the material dropping box 33. Each support plate 38 is provided on a corresponding one of the lift actuators 37. The lower support plate 38 can lift the first carrier 200 or the second carrier 300 on the first conveyor belt 22 to be located in the opening 321 of the material box 32 under the driving of the two lifting driving pieces 37.

The second circulation line 40 includes a circulation driving member 41, a second conveyor belt 42, a stopper driving member 43, a third stopper 44, and a sensor 45. The endless drive 41 is arranged on the base plate 11. The second conveyor belt 42 is disposed between the two second side plates 122. The second conveyor belt 42 can move under the driving of the endless driving member 41 to move the first carrier 200 or the second carrier 300 placed thereon. The stopper driving member 43 is disposed on the bottom plate 11 and located at an end of the second conveyor belt 42 away from the first conveyor belt 22. The third block 44 is disposed on the block driving member 43 and can move under the driving of the block driving member 43 to block the first carrier 200 or the second carrier 300 on the second conveyor belt 42 from moving. The inductor 45 is disposed on the bottom plate 11 and located on a side of the material waiting mechanism 50 close to the first conveyor belt 22. The sensor 45 is used for sensing whether the first carrier 200 or the second carrier 300 flows to the waiting mechanism 50.

The material waiting mechanism 50 includes a material waiting driving member 51, a second supporting plate 52, two lifting driving members 53 and two lifting members 54. The waiting driving member 51 is disposed on the bottom plate 11 and below the second conveyor belt 42 close to the first conveyor belt 22. The second pallet 52 is disposed on the waiting driving member 51 and can move under the driving of the waiting driving member 51 to lift the first carrier 200 or the second carrier 300 on the second conveyor belt 42. The two lifting drives 53 are oppositely disposed on the corresponding second side plate 122. Each of the lift members 54 is disposed on a corresponding one of the lift drives 53. The two lifting members 54 can move under the driving of the corresponding lifting driving members 53 to hold the first carrier 200 or the second carrier 300 lifted by the second pallet 52.

The positioning mechanism 60 includes a positioning driving member 61, a positioning plate 62, an adjusting driving member 63, a first adjusting plate 64, an adjusting driving member 65, and a second adjusting plate 66. The positioning driving member 61 is disposed on the bottom plate 11 and below the second conveyor belt 42 away from the first conveyor belt 22. The positioning plate 62 is disposed on the positioning driving member 61 and can move under the driving of the positioning driving member 61 to lift the first carrier 200 or the second carrier 300 on the second conveyor belt 42. The adjusting driving member 63 is disposed on the positioning plate 62 and located on a surface of the positioning plate 62 departing from the surface for supporting the first carrier 200 or the second carrier 300. The first adjusting plate 64 is disposed on the adjusting drive 63. The adjustment driving member 65 is disposed on a second side plate 122. The second adjusting plate 66 is disposed on the adjusting driving member 65. The first and

second adjusting plates

64 and 66 can move under the driving of the adjusting drives 63 and 65 to position the first or

second carrier

200 or 300 on the positioning plate 62.

The detailed workflow is as follows:

(1) upper first carrier 200: placing the first carrier 200 on the first conveyor belt 22, and driving the first conveyor belt 22 by the conveying driving member 21 to drive the first carrier 200 to be below the opening 321 of the material box 32; the first carrier 200 is stopped by the second stopper 28 driven by the stopping driving member 27; then, under the driving of the two lifting driving members 37, the supporting plate 38 lifts the first carrier 200 to be located in the opening 321 of the material box 32; then, under the driving of the feeding driving member 34 and the material poking driving member 35, the material brush 36 moves in the material box 32 to brush the material in the material box 32 onto the first carrier 200 located in the opening 321 of the material box 32; then, under the driving of the two lifting driving elements 37, the supporting plate 38 puts the first carrier 200 back on the first conveyor belt 22, and the stopping driving element 27 drives and retracts the second stopper 28, so that the first carrier 200 flows from the first conveyor belt 22 to the second conveyor belt 42; then, the second conveyor belt 42 moves under the driving of the circulating driving member 41 to drive the first carrier 200 to move to the positioning mechanism 60, and the first carrier is stopped by the third stopper 44 driven by the stopper driving member 43; then, the lower positioning plate 62 is driven by the positioning driving member 61 to move and lift the first carrier 200; finally, the first adjusting plate 64 and the second adjusting plate 66 are moved to position the first carrier 200 on the positioning plate 62 for the external robot to carry out material loading under the driving of the adjusting driving element 63 and the adjusting driving element 65.

(2) The upper second carrier 300: placing the second carrier 300 on the first conveyor belt 22, and under the driving of the waiting driving part 23, moving the first supporting plate 24 to lift the second carrier 300; then, after the first carrier 200 is loaded, the waiting driving member 23 drives the first supporting plate 24 to move, so that the second carrier 300 waiting to be conveyed returns to the first conveyor belt 22; then, the loading process of the first carrier 200 is repeated; then, the second carrier 300 is lifted by the second pallet 52 driven by the waiting driving member 51, and finally, the two lifting members 54 are driven by the corresponding lifting driving members 53 to move and hold the second carrier 300 lifted by the second pallet 52.

(3) The first carrier 200 and the second carrier 300 are cyclically supplied: after the first carrier 200 is completely discharged, the positioning plate 62 moves to make the first carrier 200 fall back to the second conveyor belt 42 under the driving of the positioning driving element 61; then, the conveying driving element 21 and the circulating driving element 41 reversely rotate to enable the first carrier 200 to flow back to the feeding mechanism 30, and the first carrier is blocked by the first stopper 26 driven by the blocking driving element 25, and then the first carrier is fed again; after the first carrier 200 reflows to enter the first conveyor belt 22, the circulating driving member 41 rotates forward, the waiting driving member 51 drives the second pallet 52 to move and lift the second carrier 300, and the two lifting members 54 are retracted under the driving of the corresponding lifting driving members 53, so that the second carrier 300 falls back on the second conveyor belt 42 under the driving of the waiting driving member 51; finally, the material enters a positioning mechanism 60, and the positioning mechanism 60 supports and positions the material for an external manipulator to discharge the material; the feeding and discharging process is repeated to realize circular feeding.

In this embodiment, the rack 10 includes a bottom plate 11, two first side plates 121 and two second side plates 122, but is not limited thereto, and it should be understood that in other embodiments, the first side plates 121 and the second side plates 122 may be combined, or may have other rack structures as long as the first circulation line 20, the feeding mechanism 30, the second circulation line 40, the waiting mechanism 50, and the positioning mechanism 60 can be mounted thereon.

In this embodiment, the first circulation line 20 includes a conveying driving member 21, a first conveying belt 22, a waiting driving member 23, a first pallet 24, a blocking driving member 25, a first stopper 26, a stopping driving member 27, and a second stopper 28. Without being limited thereto, it is understood that, in other embodiments, the waiting driving member 23 and the first supporting plate 24 may be omitted as long as the second carrier 300 is placed after the first carrier 200 is loaded. The blocking driving member 25, the first stopper 26, the blocking driving member 27 and the second stopper 28 may be omitted as long as the conveying driving member 21 can drive the first conveyor 22 to drive the first carrier 200 or the second carrier 300 to move directly to the feeding mechanism 30.

In this embodiment, the feeding mechanism 30 includes a support frame 31, a material box 32, a material dropping box 33, a feeding driving member 34, a material stirring driving member 35, a material brush 36, two lifting driving members 37, and a support plate 38. Without being limited thereto, it is understood that in other embodiments, the feeding mechanism 30 may have other frame structures as long as the material can be loaded onto the first carrier 200 or the second carrier 300.

In this embodiment, the second circulation line 40 includes a circulation driving member 41, a second conveyor belt 42, a stopper driving member 43, a third stopper 44, and a sensor 45. Without being limited thereto, it is understood that in other embodiments, the block driving component 43, the third block 44 and the sensor 45 may be omitted as long as the endless driving component 41 can drive the second belt 42 to move the first carrier 200 or the second carrier 300 directly to the positioning mechanism 60.

In this embodiment, the material waiting mechanism 50 includes a material waiting driving member 51, a second supporting plate 52, two lifting driving members 53, and two lifting members 54. Without being limited thereto, it is understood that, in other embodiments, the material waiting mechanism 50 may be another frame structure as long as the first carrier 200 or the second carrier 300 can be lifted to wait for another carrier to be blanked.

In this embodiment, the positioning mechanism 60 includes a positioning driving member 61, a positioning plate 62, an adjusting driving member 63, a first adjusting plate 64, an adjusting driving member 65, and a second adjusting plate 66. Without being limited thereto, it is understood that, in other embodiments, the adjusting driving member 63, the first adjusting plate 64, the adjusting driving member 65 and the second adjusting plate 66 may be omitted as long as the first carrier 200 or the second carrier 300 can be directly positioned on the positioning plate 62.

In this embodiment, the transmission driver 21 and the circulation driver 41 are rotary motors, but are not limited thereto, and it is understood that in other embodiments, the transmission driver 21 and the circulation driver 41 may be other drivers, such as rotary cylinders.

In this embodiment, the waiting driving member 23, the blocking driving member 25, the stopping driving member 27, the feeding driving member 34, the material stirring driving member 35, the two jacking driving members 37, the block driving member 43, the waiting driving member 51, the two lifting driving members 53, the positioning driving member 61, the adjusting driving member 63 and the adjusting driving member 65 are cylinders, but not limited thereto, and it is understood that in other embodiments, the waiting driving member 23, the blocking driving member 25, the stopping driving member 27, the feeding driving member 34, the material stirring driving member 35, the two jacking driving members 37, the block driving member 43, the waiting driving member 51, the two lifting driving members 53, the positioning driving member 61, the adjusting driving member 63 and the adjusting driving member 65 may be other driving members, such as electric cylinders.

The circulation feeding device 100 feeds the first carrier 200 and the second carrier 300 by the feeding mechanism 30; through the cooperation of the first circulation line 20, the second circulation line 40 and the waiting mechanism 50, only two first carriers 200 and two second carriers 300 are needed to realize circulation feeding, and the mechanism has high automation performance and efficiency and saves manpower.

In addition, other modifications within the spirit of the invention may occur to those skilled in the art, and such modifications are, of course, included within the scope of the invention as claimed.

Claims

1. The utility model provides a circulation feedway, can circulate the feed through first carrier and second carrier which characterized in that: the circulating feeding device comprises a rack, a first circulating line, a feeding mechanism, a second circulating line, a waiting mechanism and a positioning mechanism, wherein the first circulating line and the second circulating line are adjacently arranged on the rack, the first circulating line and the second circulating line are used for moving the first carrier and the second carrier, the feeding mechanism is arranged on the rack and positioned above the first circulating line, the feeding mechanism is used for feeding the first carrier or the second carrier on the first circulating line, the positioning mechanism is arranged on the rack and positioned at one end of the second circulating line far away from the first circulating line, the positioning mechanism is used for positioning the first carrier or the second carrier for positioning and discharging, the waiting mechanism is arranged on the rack and positioned at one end of the second circulating line close to the first circulating line, the material waiting mechanism is used for lifting the first carrier or the second carrier to wait.

2. The circulation feeder apparatus according to claim 1, wherein: the frame includes bottom plate and two curb plates, two the curb plate set up relatively in on the bottom plate, first circulation line reaches the second circulation line sets gradually in two on the curb plate and part set up in on the bottom plate, feed mechanism wait the feed mechanism reach positioning mechanism follows the direction of delivery of first circulation line and second circulation line sets up in two on the curb plate and part set up in on the bottom plate.

3. The circulation feeder apparatus according to claim 2, wherein: the first circulating line comprises a conveying driving part and a first conveying belt, the conveying driving part is arranged on the bottom plate, the first conveying belt is arranged between the two side plates, and the first conveying belt can move under the driving of the conveying driving part to drive the first carrier or the second carrier placed on the first conveying belt to move.

4. The circulation feeder apparatus according to claim 3, wherein: the first circulating line further comprises a waiting driving piece and a first supporting plate, the waiting driving piece is arranged on the bottom plate, and the first supporting plate is arranged on the waiting driving piece and can move under the driving of the waiting driving piece to lift the first carrier or the second carrier on the first conveyor belt.

5. The circulation feeder apparatus according to claim 4, wherein: the first circulating line further comprises a blocking driving piece, a first stop block, a blocking driving piece and a second stop block, wherein the blocking driving piece is arranged on the bottom plate, the first stop block is arranged on the blocking driving piece and can move under the driving of the blocking driving piece to block the first carrier or the second carrier on the first conveying belt to move, the blocking driving piece is arranged on the bottom plate and is located on one side, away from the waiting driving piece, of the blocking driving piece, and the second stop block is arranged on the blocking driving piece and can move under the driving of the blocking driving piece to block the first carrier or the second carrier on the first conveying belt to move.

6. The circulation feeder apparatus according to claim 5, wherein: the feeding mechanism comprises a support frame, a material box, a blanking box, a feeding driving piece, a material stirring driving piece, a material brush, two jacking driving pieces and two support plates, wherein the support frame and the material box are respectively arranged on the two side plates, the support frame and the material box are positioned above the first conveyor belt, the support frame is positioned above the material box, an opening is arranged on the material box and is positioned above the position between the first stop block and the second stop block, the opening is the profiling of the first carrier and the second carrier so that the first carrier or the second carrier can extend into the material box, the blanking box is arranged on the bottom plate and is positioned below the opening, the feeding driving piece is arranged on the support frame, the material stirring driving piece is arranged on the feeding driving piece, and the material brush is arranged on the material stirring driving piece, the material brush can be driven by the feeding driving piece and the material stirring driving piece to move so as to brush materials in the material box into the first carrier or the second carrier in the opening of the material box, the two jacking driving pieces are arranged on the bottom plate and are respectively positioned on two sides of the material box, each supporting plate is arranged on one corresponding jacking driving piece, and the supporting plates can lift the first carrier or the second carrier on the first conveyor belt so as to be positioned in the opening of the material box under the driving of the two jacking driving pieces.

7. The circulation feeder apparatus according to claim 2, wherein: the second circulating line comprises a circulating driving piece, a second conveying belt, a stop block driving piece, a third stop block and a sensor, the circulating driving piece is arranged on the bottom plate, the second conveying belt is arranged between the two side plates, the second conveying belt can be driven by the circulating driving piece to move so as to drive the first carrier or the second carrier placed on the second conveying belt to move, the stop block driving piece is arranged on the bottom plate and located at one end, far away from the first circulating line, of the second conveying belt, the third stop block is arranged on the stop block driving piece and can be driven by the stop block driving piece to move so as to stop the first carrier or the second carrier on the second conveying belt to move, the sensor is arranged on the bottom plate and located at one side, close to the first circulating line, of the material waiting mechanism, and the sensor is used for sensing whether the first carrier or the second carrier flows to the material waiting mechanism or not .

8. The circulation feeder apparatus according to claim 2, wherein: wait to expect that mechanism includes waiting to expect driving piece, second layer board, two lifts driving piece and two lifts, wait to expect the driving piece set up in just be located on the bottom plate second circulation line is close to the below of first circulation line, the second layer board set up in wait to expect on the driving piece and can wait to expect to remove down in order to hold up and be located under the drive of driving piece first carrier or on the second circulation line the second carrier, two lift the driving piece and set up correspondingly on the curb plate, every lift the piece set up in corresponding one lift on the driving piece, two it can be corresponding to lift the drive of driving piece and remove down in order to hold the second layer board is lifted first carrier or the second carrier.

9. The circulation feeder apparatus according to claim 2, wherein: the positioning mechanism comprises a positioning driving piece and a positioning plate, the positioning driving piece is arranged on the bottom plate and located below the second circulating line far away from the first circulating line, and the positioning plate is arranged on the positioning driving piece and can be driven by the positioning driving piece to move so as to lift the first carrier or the second carrier located on the second circulating line.

10. The circulation feeder of claim 9, wherein: positioning mechanism is still including adjusting driving piece, first regulating plate, adjustment driving piece and second regulating plate, adjust the driving piece set up in just be located on the locating plate deviates from and holds up first carrier or in the one side of second carrier, first regulating plate set up in adjust on the driving piece, the adjustment driving piece sets up in one on the curb plate, the second regulating plate set up in on the adjustment driving piece, first regulating plate reaches the second regulating plate can adjust the driving piece and remove under the drive of adjustment driving piece with right on the locating plate first carrier or the second carrier is fixed a position.