CN214242673U - Automatic unloader of three way catalyst converter encapsulation assembly - Google Patents

Abstract

The utility model provides an automatic unloader of three way catalyst converter encapsulation assembly, which comprises a worktable, receiving mechanism, send case mechanism and unloading mechanism, send case mechanism to be located the top of unloading mechanism, send case mechanism to carry the workbin to receiving mechanism, send the workbin on the receiving mechanism to send the workbin into unloading mechanism after receiving the product that the outside was put into, send case mechanism to include belt and motor, the belt can be installed on the board with transmitting, motor drive belt transmission, unloading mechanism includes the unloading track, articulated supporting seat and track adjustment seat, the orbital one end of unloading articulates on the board through articulated supporting seat, the other end passes through the track adjustment seat and installs on the board, the track adjustment seat drives the orbital one end of unloading and rises or descends, receiving mechanism can move to and send case mechanism to link up or link up with unloading mechanism. The utility model discloses a device carries out the automatic operation of product vanning, need not the workman and vanning, has reduced workman's the amount of labour, has improved the work efficiency of vanning loading.

Description

Automatic unloader of three way catalyst converter encapsulation assembly

Technical Field

The utility model belongs to the technical field of three way catalyst converter encapsulation assembly automation line, specifically be an automatic unloader of three way catalyst converter encapsulation assembly.

Background

The three-way catalyst comprises a carrier, a liner and a cylinder body, and the three are reliably connected through a packaging process to form a packaging assembly. However, the three-way catalyst package assembly after the packaging process is completed needs to be boxed and loaded. In the traditional boxing and loading process, workers are required to put the three-way catalyst packaging assembly products into the material box one by one and then put the material box into the trolley, so that the labor capacity of the workers is increased, and the efficiency of product boxing and loading is reduced.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the prior art, the utility model aims to provide an automatic blanking device for a three-way catalyst packaging assembly, which can automatically pack products without needing workers to pack, thus saving the work of packing the products, reducing the labor capacity of the workers and improving the work efficiency of packing and loading; the device is arranged in multiple layers, so that the floor area is reduced, and the structure of the device is more compact; the cost of the device is reduced.

In order to realize the purpose, the utility model discloses the technical scheme who adopts is:

an automatic blanking device of a three-way catalyst packaging assembly comprises a machine table, a material receiving mechanism arranged on the machine table, a box conveying mechanism used for conveying an unloaded material box and a blanking mechanism used for conveying the material box filled with products, wherein the box conveying mechanism is positioned above the blanking mechanism and conveys the material box to the material receiving mechanism, the material box on the material receiving mechanism receives the products placed outside and then conveys the material box to the blanking mechanism, the box conveying mechanism comprises a belt and a motor, the belt is arranged on the machine table in a transmission manner, the motor drives the belt to transmit, the blanking mechanism comprises a blanking track, articulated supporting seat and track regulation seat, the orbital one end bottom of unloading articulates on the board through articulated supporting seat, the other end bottom is installed on the board through the track regulation seat, the track regulation seat is connected and is driven the orbital one end of unloading and rise or descend, receiving mechanism can move to and send the joining of cases mechanism or link up with unloading mechanism.

As a further improvement of the above technical solution:

the receiving mechanism comprises a receiving seat, a second cylinder, a first cylinder and a receiving platform, the bottom of one end of the receiving platform is hinged to the receiving seat, the bottom of the other end of the receiving platform is connected to the second cylinder, and the first cylinder is connected with the receiving platform and drives the receiving seat to ascend to be connected with the box feeding mechanism or descend to be connected with the discharging mechanism.

The receiving mechanism further comprises a receiving limiting plate, one end of the receiving limiting plate is fixedly connected to the receiving platform, the other end of the receiving limiting plate extends upwards in an overhanging mode, and the receiving limiting plate is located at one end, far away from the box feeding mechanism or the blanking mechanism, of the receiving platform.

The material receiving table comprises a material receiving plate and two groups of roller groups which are arranged in parallel at intervals, each roller group comprises a plurality of rollers which are arranged in a line and are arranged in parallel at intervals, and the rollers are rotatably arranged on the material receiving plate.

The unloading track includes the spacing seat of the axis of rotation of a plurality of parallel interval arrangements and two parallel interval arrangements's support, and the axis of rotation is perpendicular with the spacing seat of support, and the both ends of axis of rotation are rotationally installed respectively on two spacing seats of support.

The track adjusting seat comprises a screw rod, a nut block and a connecting seat, the nut block is fixedly installed on the machine table, the screw rod penetrates and is in threaded connection with the nut block, the upper end of the screw rod is connected with the connecting seat through a bearing, and the upper end of the connecting seat is connected with the bottom of the blanking track.

The automatic blanking device further comprises a material distributing device, the material distributing device comprises a material distributing frame, a material distributing cylinder and a material distributing plate, the material distributing frame is arranged on one end, close to the material receiving mechanism, of the box conveying mechanism in a spanning mode, the material distributing cylinder is installed on the material distributing frame, a driving shaft of the material distributing cylinder is connected with the material distributing plate downwards, the material distributing plate is located above the box conveying mechanism, and the material distributing cylinder is connected with and drives the material distributing plate to ascend or descend.

The material distributing device further comprises two induction frames and two material distributing sensors, the induction frames are mounted on the material distributing frames, the two material distributing sensors are mounted on the two induction frames respectively, and the two material distributing sensors are located on two sides of the material distributing plate respectively.

Receiving mechanism connects the material sensor including connecing, connects the material sensor to be used for responding to connect the material bench whether to have the workbin when connecing material platform and case feed mechanism to link up, and unloading mechanism includes the unloading sensor, and the unloading sensor is used for responding to connect the material bench whether to have the workbin when connecing material platform and unloading mechanism to link up.

The automatic blanking device further comprises a controller, and the material distributing sensor, the material receiving sensor and the blanking sensor are all electrically connected with the controller.

The utility model has the advantages that: the device is used for automatically boxing the products, and does not need workers to perform boxing, so that the boxing work of the workers is saved, the labor capacity of the workers is reduced, and the work efficiency of boxing and loading is improved; workers carry out the operation of placing the empty bin, the operation of loading the bin filled with products and the angle adjustment of the blanking track from the same place, so that time and labor are saved; the device is arranged in multiple layers, so that the floor area is reduced, and the structure of the device is more compact; a belt of the box conveying mechanism is driven by a motor, so that the starting and stopping of the belt can be controlled, and the material receiving of a material box on the material receiving mechanism is prevented from being influenced; the blanking mechanism does not need power drive, but slides through the self weight of a material box for loading products, so that the cost of the device is reduced; the angle of the blanking track can be adjusted through a hand wheel, so that the sliding of the material box or the reliable blanking is ensured; the material distributing device ensures that products are orderly and non-interfering when a manipulator and the like put the products; the material receiving mechanism is flexible and reliable in arrangement.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

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

FIG. 3 is an enlarged schematic view of FIG. 1 at A;

fig. 4 is a schematic structural view of a blanking mechanism according to an embodiment of the present invention;

fig. 5 is a schematic view of another perspective structure of the blanking mechanism according to an embodiment of the present invention;

FIG. 6 is an enlarged view of the point B in FIG. 5;

fig. 7 is a schematic structural view of a receiving mechanism according to an embodiment of the present invention;

fig. 8 is a schematic view of another perspective structure of the receiving mechanism according to an embodiment of the present invention;

fig. 9 is a schematic structural diagram of a material separating device according to an embodiment of the present invention.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

An automatic blanking device for a three-way catalyst encapsulation assembly is shown in figures 1-9 and comprises a machine table 1, a material receiving mechanism 5, a material distributing device 4, a box feeding mechanism 3 and a blanking mechanism 6, wherein the material receiving mechanism 5, the material distributing device 4, the box feeding mechanism 3 and the blanking mechanism 6 are mounted on the machine table 1, the box feeding mechanism is used for conveying an empty material box 2, and the blanking mechanism is used for conveying the material box 2 loaded with products 7. Case conveying mechanism 3, receiving mechanism 5 and unloading mechanism 6 link up in proper order, and case conveying mechanism 3 carries workbin 2 to receiving mechanism 5, and workbin 2 on receiving mechanism 5 sends workbin 2 into unloading mechanism 6 after receiving product 7 that the outside was put into.

The box feeding mechanism 3 comprises a belt, a motor and two box feeding limiting plates, the belt can be installed on the machine table 1 in a transmission mode, and the motor drives the belt to transmit. Two send case limiting plate parallel interval to arrange in belt both sides for it is spacing and direction to send workbin 2 on the belt between the case limiting plate to two, prevents workbin 2 roll-off belts.

The blanking mechanism 6 is positioned below the box feeding mechanism 3, and the conveying direction of the box feeding mechanism 3 is opposite to the conveying direction of the blanking mechanism 6. The blanking mechanism 6 comprises a blanking track 61, a hinged support base 62, a track adjusting base 63 and a blanking sensor. The bottom of one end of the blanking track 61 is hinged on the machine table 1 through a hinged support seat 62, the bottom of the other end of the blanking track is installed on the machine table 1 through a track adjusting seat 63, and the track adjusting seat 63 is connected and drives one end of the blanking track 61 to ascend or descend.

The blanking rail 61 is a conveying rail of the magazine 2, or the magazine 2 moves along the blanking rail 61. The blanking track 61 comprises a plurality of rotating shafts 611 arranged in parallel at intervals and two supporting limit seats 612 arranged in parallel at intervals. The rotating shaft 611 is perpendicular to the support limiting seats 612, and both ends of the rotating shaft 611 are respectively rotatably mounted on the two support limiting seats 612. The top of the supporting and limiting seat 612 is higher than the top of the rotating shaft 611, so that the supporting and limiting seat 612 has a limiting effect on the bin 2, and the bin 2 is prevented from sliding out when being conveyed on the rotating shaft 611.

The track adjusting base 63 includes a screw 631, a nut block 632, a connecting base 633, and a hand wheel 634. Nut block 632 fixed mounting is on board 1, and lead screw 631 passes and spiro union nut block 632, and the upper end of lead screw 631 is connected through bearing and connecting seat 633, and the bottom of unloading track 61 is connected to the upper end of connecting seat 633, and hand wheel 634 is connected to the lower extreme of lead screw 631, and hand wheel 634 is used for driving lead screw 631 to rotate. It should be noted that the upper end of the connecting seat 633 is hinged to the bottom of the blanking track 61 to adapt to the angle change when one end of the blanking track 61 ascends and descends.

Based on the structure, the blanking mechanism 6 can enable the material box 2 to move along the blanking track 61 without power equipment such as a motor, and the material box 2 can slide along the blanking track 61 under the action of gravity only by adjusting the track adjusting seat 63 to enable the blanking track 61 to be obliquely arranged relative to the horizontal plane. While the rotational axis 611 is rotatably arranged to reduce the resistance of the bin 2 to sliding.

The receiving mechanism 5 is used for connecting the box conveying mechanism 3 and the blanking mechanism 6 and receiving a product 7 and putting the product into the material box 2. The receiving mechanism 5 comprises a first air cylinder 54, a second air cylinder 55, a receiving seat 53, a receiving limit plate 52, a receiving table 51, a guide plate 57, a receiving sensor 58 and a plurality of guide rods 56.

The first air cylinder 54 is installed on the machine table 1, and the air cylinder shaft of the first air cylinder 54 is connected with and drives the receiving seat 53 to ascend and descend. The guide rod 56 is used for guiding the receiving seat 53, the guide plate 57 is installed on the machine table 1, and a plurality of guide holes are formed in the guide plate 57. The upper end of the guide rod 56 is connected with the bottom of the receiving seat 53, and the lower end passes through the guide hole on the guide plate 57. The guide bar 56 is movably disposed in a direction perpendicular to the horizontal plane. When the first cylinder 54 drives the receiving base 53 to ascend or descend, the guide rod 56 moves along the guide hole.

The receiving table 51 is used for supporting the material box 2, the receiving table 51 comprises a receiving plate 511 and two groups of roller groups 512 which are arranged in parallel at intervals, and the roller groups 512 are arranged on the top surface of the receiving plate 511. Each roller set 512 includes a plurality of parallel spaced rollers arranged in a row, the rollers being rotatably mounted on the receiver plate 511. Preferably, the central axis of the roller is perpendicular to the running direction of the bin 2.

The bottom of one end of the material receiving plate 511 is hinged with the material receiving seat 53, and the bottom of the other end is connected with the second cylinder 55. Specifically, the second cylinder 55 is installed on the receiving base 53, and a driving shaft of the second cylinder 55 is connected to the bottom of the receiving plate 511. The second cylinder 55 is located at one end of the receiving seat 53 far from the box feeding mechanism 3 or the blanking mechanism 6.

One end of the material receiving limit plate 52 is fixedly connected to the material receiving platform 51, and the other end is suspended upwards. The receiving limit plate 52 is located at one end of the receiving platform 51 far away from the box feeding mechanism 3 or the blanking mechanism 6. That is, the second cylinder 55 and the receiving limit plate 52 are located at the same end of the receiving table 51.

The automatic blanking device is characterized in that one end provided with the material receiving mechanism 5 is a material receiving end, and the end far away from the material receiving mechanism 5 is a blanking end.

The receiving sensor 58 is used for sensing whether the bin 2 is on the receiving table 51 when the receiving table 51 is connected with the box feeding mechanism 3.

Based on the above structure, the first cylinder 54 connects and drives the receiving platform 51 to ascend to engage with one end of the box feeding mechanism 3 or descend to engage with one end of the blanking mechanism 6. In other words, the receiving mechanism 5 is located at the same end of the box feeding mechanism 3 and the blanking mechanism 6. The blanking rail 61 is inclined towards the end remote from the receiving mechanism 5.

It should be noted that, when the material receiving platform 51 rises to be connected with one end of the box feeding mechanism 3, the material receiving platform 51 is located between two box feeding limiting plates extending from the box feeding mechanism 3, that is, at this time, the box feeding limiting plates play a role in limiting the material box 2 on the material receiving platform 51. The material receiving sensor 58 is installed on a box feeding limit plate extending from the box feeding mechanism 3 or on the machine table 1. The unloading sensor is installed on board 1, and when material receiving platform 51 descends to and links up with the one end of unloading track 61, the unloading sensor can sense workbin 2 on the material receiving platform 51.

The material distributing device 4 comprises a material distributing frame 41, a material distributing cylinder 42, a material distributing plate 43, two induction frames 44 and two material distributing sensors 45.

The material distributing frame 41 is arranged at one end of the box conveying mechanism 3 close to the material receiving mechanism 5 in a spanning mode. Specifically, the material distributing frame 41 is a gate-shaped frame. The material distributing cylinder 42 is installed on the material distributing frame 41, and a driving shaft of the material distributing cylinder 42 is downwards connected with the material distributing plate 43. The material distributing plate 43 is positioned above the box feeding mechanism 3 and the material receiving mechanism 5, and the material distributing cylinder 42 is connected with and drives the material distributing plate 43 to ascend or descend. The material-separating plate 43 is used to divide the magazine 2 located on the material-receiving table 51 into two parts. The induction frame 44 is installed on the material distributing frame 41, the two material distributing sensors 45 are respectively installed on the two induction frames 44, and the two material distributing sensors 45 are respectively located on two sides of the material distributing plate 43. The feed sensor 45 is used to sense the products 7 in the magazine 2 on the receiving station 51.

The material distributing sensor 45, the material receiving sensor 58, the blanking sensor, the motor, the material distributing cylinder 42, the first cylinder 54 and the second cylinder 55 are all electrically connected with the controller.

It should be noted that a set of box feeding mechanism 3, a set of material separating device 4, a set of material receiving mechanism 5 and a set of blanking mechanism 6 form an assembly box mechanism. The machine table 1 can be provided with a plurality of groups of the boxing mechanisms in parallel and independently. Preferably, two sets of the boxing mechanisms are arranged on the machine table 1.

The utility model discloses a working process does: and starting the motor, and driving the belt to transmit by the motor. A worker at the discharging end (the end far away from the material receiving mechanism 5) puts the empty material box 2 on a belt, the belt sends the empty material box 2 to a material receiving table 51 connected with the belt, and at the moment, the material receiving sensor 58 receives information that the material box 2 enters the material receiving table 51 and transmits the information to the controller.

After the controller receives the information that the bin 2 enters the receiving platform 51, the controller controls the motor to stop driving the belt, and simultaneously the controller controls the second air cylinder 55 to drive the end, connected with the second air cylinder, of the receiving platform 51 to descend, so that the receiving platform 51 inclines towards the end, provided with the receiving limiting plate 52, of the receiving platform, and the end, downwards inclined, of the bin 2 stably abuts against the receiving limiting plate 52. The controller simultaneously activates the material distributing cylinder 42 to drive the material distributing plate 43 to descend into the bin 2 on the material receiving table 51. An external robot or other mechanical device places the package assembly products 7 into the bins 2 on the receiving station 51 according to a predetermined motion and path. The same number of products 7 are loaded into both sides of the material distributing plate 43. in this embodiment, four products 7 are loaded into each side of the material distributing plate 43. after the products 7 are loaded into one side of the material distributing plate 43, the products 7 slide into the lower part of the material box 2 because the material box 2 is inclined. When the fourth, i.e., the last product 7 is placed on one side of the material distribution plate 43, the last product 7 is sensed by one of the material distribution sensors 45, and when the last product 7 placed on the other side of the material distribution plate 43 is sensed by the other material distribution sensor 45, i.e., when both of the material distribution sensors 45 sense the product 7, the two material distribution sensors 45 send the sensed information to the controller, indicating that one of the bins 2 is filled with the product 7.

After the controller receives the information sent by the two material distribution sensors 45, the controller controls the first air cylinder 54 to be started, the first air cylinder 54 drives the material receiving table 51 to descend to be connected with one end of the blanking track 61, and after the material receiving table 51 is connected with one end of the blanking track 61, the blanking sensors sense the material box 2 and send the sensed information to the controller.

After the controller receives the information that unloading sensor sent, the controller starts second cylinder 55 and drives the one end of receiving the material platform 51 rather than being connected and rises, makes to receive the material platform 51 towards its one end slope of keeping away from and connecing material limiting plate 52, and workbin 2 then slides into unloading track 61, and workbin 2 slides along the unloading track 61 of slope to the unloading end, will fill up workbin 2 loading of product 7 by the workman.

When the feeding sensor senses that the feed box 2 cannot sense the feed box 2, the feed box 2 on the receiving platform 51 slides into the feeding track 61, and after the controller receives the information that the feed box 2 enters the feeding track 61, the controller controls the first air cylinder 54 to drive the receiving platform 51 to ascend to be connected with the box feeding mechanism 3, and simultaneously controls the material distributing air cylinder 42 to drive the material distributing plate 43 to ascend so as not to block the next empty feed box 2 from entering the receiving platform 51. And simultaneously, the controller restarts the motor, and the motor drives the belt to transmit, and the steps are repeated.

Finally, it must be said here that: the above embodiments are only used for further detailed description of the technical solutions of the present invention, and should not be understood as limiting the scope of the present invention, and the modifications and adjustments made by those skilled in the art according to the above-mentioned contents of the present invention are all included in the scope of the present invention.

Claims (10)

1. An automatic blanking device of a three-way catalyst encapsulation assembly is characterized by comprising a machine table (1), a material receiving mechanism (5) arranged on the machine table (1), a box conveying mechanism (3) used for conveying an unloaded material box (2) and a blanking mechanism (6) used for conveying the material box (2) filled with products (7), wherein the box conveying mechanism (3) is positioned above the blanking mechanism (6), the material box (2) is conveyed to the material receiving mechanism (5) by the box conveying mechanism (3), the material box (2) on the material receiving mechanism (5) is conveyed to the blanking mechanism (6) after receiving the products (7) put into the outside, the box conveying mechanism (3) comprises a belt and a motor, the belt is arranged on the machine table (1) in a transmission manner, the motor drives the belt to transmit, the blanking mechanism (6) comprises a blanking track (61), a hinged supporting seat (62) and a track adjusting seat (63), the bottom of one end of the blanking track (61) is hinged to the machine table (1) through a hinged support seat (62), the bottom of the other end of the blanking track is installed on the machine table (1) through a track adjusting seat (63), the track adjusting seat (63) is connected and drives one end of the blanking track (61) to ascend or descend, and the material receiving mechanism (5) can move to be connected with the box conveying mechanism (3) or connected with the blanking mechanism (6).

2. The automatic blanking device of claim 1, wherein: the receiving mechanism (5) comprises a receiving seat (53), a second air cylinder (55), a first air cylinder (54) and a receiving platform (51), the bottom of one end of the receiving platform (51) is hinged to the receiving seat (53), the bottom of the other end of the receiving platform is connected with the second air cylinder (55), the first air cylinder (54) is connected with the receiving seat (53) and drives the receiving platform (51) to ascend to be connected with the receiving platform (51) and the box conveying mechanism (3) or descend to be connected with the receiving platform (51) and the blanking mechanism (6).

3. The automatic blanking device of claim 2, wherein: the receiving mechanism (5) further comprises a receiving limiting plate (52), one end of the receiving limiting plate (52) is fixedly connected to the receiving platform (51), the other end of the receiving limiting plate is extended upwards in a hanging mode, and the receiving limiting plate (52) is located at one end, far away from the box conveying mechanism (3) or the blanking mechanism (6), of the receiving platform (51).

4. The automatic blanking device of claim 2, wherein: the receiving platform (51) comprises a receiving plate (511) and two groups of roller groups (512) which are arranged in parallel at intervals, each roller group (512) comprises a plurality of rollers which are arranged in a line and are arranged in parallel at intervals, and the rollers are rotatably arranged on the receiving plate (511).

5. The automatic blanking device of claim 1, wherein: the blanking track (61) comprises a plurality of rotating shafts (611) arranged in parallel at intervals and two supporting and limiting seats (612) arranged in parallel at intervals, the rotating shafts (611) and the supporting and limiting seats (612) are vertical, and two ends of the rotating shafts (611) are respectively and rotatably arranged on the two supporting and limiting seats (612).

6. The automatic blanking device of claim 1, wherein: track regulation seat (63) are including lead screw (631), nut piece (632) and connecting seat (633), and nut piece (632) fixed mounting is on board (1), and lead screw (631) pass and spiro union nut piece (632), and the upper end of lead screw (631) is passed through the bearing and is connected with connecting seat (633), and the bottom of unloading track (61) is connected to the upper end of connecting seat (633).

7. The automatic blanking device of claim 1, wherein: the automatic blanking device further comprises a distributing device (4), the distributing device (4) comprises a distributing frame (41), a distributing cylinder (42) and a distributing plate (43), the distributing frame (41) is arranged at one end, close to the receiving mechanism (5), of the box conveying mechanism (3) in a crossing mode, the distributing cylinder (42) is installed on the distributing frame (41), a driving shaft of the distributing cylinder (42) is connected with the distributing plate (43) downwards, the distributing plate (43) is located above the box conveying mechanism (3), and the distributing cylinder (42) is connected with and drives the distributing plate (43) to ascend or descend.

8. The automatic blanking device of claim 7, wherein: the material distributing device (4) further comprises two induction frames (44) and two material distributing sensors (45), the induction frames (44) are installed on the material distributing frames (41), the two material distributing sensors (45) are installed on the two induction frames (44) respectively, and the two material distributing sensors (45) are located on two sides of the material distributing plate (43) respectively.

9. The automatic blanking device of claim 8, wherein: receiving mechanism (5) are including connecing material sensor (58), connect material sensor (58) to be used for the response to connect whether workbin (2) have on material platform (51) when connecing material platform (51) and send case mechanism (3) to link up, and unloading mechanism (6) are including the unloading sensor, and the unloading sensor is used for the response to connect whether workbin (2) have on material platform (51) when connecing material platform (51) and unloading mechanism (6) to link up.

10. The automatic blanking device of claim 9, wherein: the automatic blanking device further comprises a controller, and the material distributing sensor (45), the material receiving sensor (58) and the blanking sensor are electrically connected with the controller.

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