A follow-up feeding mechanism

Abstract

The present invention discloses a follow-up unloading mechanism, comprising a frame, a rotating frame is arranged on the frame, the rotating frame is connected to a rotating driving device, and a plurality of unloading mechanisms are evenly arranged on the rotating frame along the circumference; the unloading mechanism comprises a mounting plate connected to the rotating frame and a hopper that can be lifted and lowered and is arranged on the mounting plate; a low-position support plate and a high-position support plate for limiting the height of the funnel are arranged on the frame along the circumference, and a lifting mechanism for lifting and lowering the funnel is arranged between the low-position support plate and the high-position support plate. The present invention adopts a follow-up unloading structure, and the hopper unloads materials while moving synchronously with the packaging bag, which greatly improves the production efficiency, especially when filling large-volume materials, the filling is realized during the movement of the packaging bag, replacing the unloading at a fixed position, reducing the pause time to a minimum, and improving the production capacity.

Description

Technical Field

[0001] The invention relates to the technical field of packaging machinery, and in particular to a follow-up unloading mechanism. Background Art

[0002] At present, when the packaging machine is unloading materials, if it encounters a large volume of packaging bags, the traditional fixed-position unloading method requires a long pause time, which cannot meet the production rhythm requirements, resulting in a low working efficiency of the entire production line. Summary of the invention

[0003] The purpose of the present invention is to avoid the deficiencies of the prior art and provide a follow-up unloading mechanism, thereby effectively solving the deficiencies in the prior art.

[0004] To achieve the above object, the technical solution adopted by the present invention is: a follow-up unloading mechanism, comprising a frame, a rotating frame is arranged on the frame, the rotating frame is connected to a rotating driving device, and a plurality of unloading mechanisms are evenly arranged on the rotating frame along the circumferential direction;

[0005] The unloading mechanism comprises a mounting plate connected to the rotating frame and a hopper which is liftable and arranged on the mounting plate;

[0006] A low-position support plate and a high-position support plate for limiting the height of the funnel are arranged on the frame along the circumferential direction, and a lifting mechanism for realizing the lifting of the funnel is arranged between the low-position support plate and the high-position support plate.

[0007] Furthermore, a sliding block is fixedly provided on the funnel, a guide groove wheel is provided on the sliding block, and a vertical guide rod is provided on the mounting plate to cooperate with the guide groove wheel.

[0008] Furthermore, a vertical shaft is rotatably arranged on the rotating frame, the mounting plate is fixed on the vertical shaft, and an offset adjustment mechanism is arranged between the vertical shaft and the frame;

[0009] The offset adjustment mechanism includes a rocker arm and an adjustment ring fixedly arranged on a frame, the adjustment ring is coaxially arranged with the rotating frame, one side of the rocker arm is fixedly connected with the vertical shaft, the other side of the rocker arm is provided with a supporting portion, and an elastic member tending to force the supporting portion to abut against the adjustment ring is provided between the rocker arm and the rotating frame.

[0010] Furthermore, the adjusting ring is provided with a raised portion and / or a recessed portion.

[0011] Furthermore, the lifting mechanism includes a seesaw, the middle part of which is hinged to the frame through a horizontal rotating shaft, a lifting drive mechanism is provided between the seesaw and the frame for driving the two ends of the seesaw to swing up and down, and an interlocking mechanism is provided between the funnel and the end of the seesaw.

[0012] Furthermore, the interlocking mechanism includes a floating support plate fixedly connected to the funnel, the bottom of the floating support plate is provided with rollers that can travel on the low-position support plate and the high-position support plate, and both ends of the seesaw are provided with roller support members and roller pull-down members in conjunction with the rollers;

[0013] When the roller support is at the lower limit position, the surface of the roller support is flush with the surface of the low-position support plate;

[0014] When the roller support is at the upper limit position, the surface of the roller support is flush with the surface of the high-position support plate.

[0015] Furthermore, a follow-up brush structure is arranged beside the roller.

[0016] Furthermore, a hand clamping assembly is provided on the sliding block to cooperate with the funnel.

[0017] Furthermore, the gripper assembly comprises gripper arms respectively arranged on both sides of the funnel, the gripper arms are fixedly connected to the slider, and the gripper arms are provided with gripper units corresponding to the discharge port position of the funnel;

[0018] The gripper unit includes a gripper mounting seat, a first jaw, a second jaw, a first connecting rod, a second connecting rod and a driving slider. The first jaw and the second jaw are fitted together at the bottom, the middle of the first jaw and the second jaw are respectively hinged to the mounting seat, the top of the first jaw is hinged to one end of the first connecting rod, the other end of the first connecting rod is hinged to one side of the driving slider, the top of the second jaw is hinged to one end of the second connecting rod, the other end of the second connecting rod is hinged to the other side of the driving slider, and a clamping cylinder for moving the driving slider up and down is provided on the mounting seat.

[0019] Further, a nitrogen charging mechanism is provided on the rotating frame, and the nitrogen charging mechanism comprises a support frame installed on the top of the rotating frame, and a nitrogen charging unit corresponding to the position of the funnel is provided on the outer side of the support frame;

[0020] The nitrogen charging unit comprises a nitrogen charging pipe arranged in a vertical direction, the nitrogen charging pipe is arranged on a supporting frame movably up and down, and the bottom of the nitrogen charging pipe extends into the funnel.

[0021] The above technical solution of the present invention has the following beneficial effects: the present invention adopts a follow-up unloading structure, and the hopper moves synchronously with the packaging bag while unloading, which greatly improves the production efficiency, especially when filling large-volume materials, the filling is realized during the movement of the packaging bag, replacing the unloading at a fixed position, reducing the pause time to a minimum, and improving production capacity. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the three-dimensional structure of an embodiment of the present invention;

[0023] Figure 2 A top view of an embodiment of the present invention;

[0024] Figure 3 This is a schematic diagram of the three-dimensional structure of an embodiment of the present invention (with the funnel hidden);

[0025] Figure 4 for Figure 3 A partial enlarged view of the middle A;

[0026] Figure 5 for Figure 3 The second perspective of

[0027] Figure 6 for Figure 5 A partial enlarged view of point B in the middle;

[0028] Figure 7 for Figure 3 The main view of

[0029] Figure 8 for Figure 7 A partial enlarged view of point C in the middle;

[0030] Fig. 9 for Figure 7 A partial enlarged view of point D in the middle;

[0031] Fig.10 Another structural diagram of the lifting drive mechanism according to an embodiment of the present invention;

[0032] Fig.11 for Figure 3 The third perspective diagram;

[0033] Fig.12 for Fig.11 A partial enlarged view of point E in the middle;

[0034] Fig.13 This is a schematic diagram of the structure of the interlocking mechanism according to an embodiment of the present invention;

[0035] Fig.14 for Fig.13 Floor plan of

[0036] Fig.15 This is a schematic diagram of the structure of the second embodiment of the present invention;

[0037] Fig.16 This is a schematic structural diagram of a third embodiment of the present invention;

[0038] Fig.17 This is a schematic diagram of the structure of a clamping assembly in a third embodiment of the present invention;

[0039] Fig.18 This is a schematic diagram of the structure of a gripper unit in a third embodiment of the present invention;

[0040] Fig.19 for Fig.18 A cross-sectional view of

[0041] Fig. 20 This is a schematic structural diagram of a fourth embodiment of the present invention;

[0042] Fig.21 This is a schematic diagram of the structure of the nitrogen charging mechanism in the fourth embodiment of the present invention;

[0043] Fig. 22 for Fig.21 A partial enlarged view of point F in the middle;

[0044] Fig.23 for Fig.21 A partial enlarged view of the G in the middle;

[0045] Fig.24 for Fig.21 A partial enlarged view of point H in the middle. DETAILED DESCRIPTION

[0046] The following embodiments of the present invention are described in further detail in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0047] In the description of the present invention, unless otherwise specified, "multiple" means two or more than two; the orientations or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0048] like Figure 1-14 As shown, a follow-up unloading mechanism described in this embodiment includes a frame 1, a rotating frame 2 is arranged on the frame 1, and the rotating frame 2 includes an upper frame body 2a and a lower frame body 2b, and the upper frame body 2a and the lower frame body 2b are fixedly connected by a rotating shaft 2c, and the rotating shaft 2c is rotatably arranged on the frame 1 and connected to a rotating driving device. In this embodiment, the rotating driving device is a stepping motor (not shown), such as Figure 7As shown, the bottom end of the rotating shaft 2c extends to the bottom of the frame 1, and the bottom end of the rotating shaft 2c is connected to the stepping motor.

[0049] A plurality of material discharge mechanisms are evenly arranged on the rotating frame 2 along the circumferential direction. In the present embodiment, four material discharge mechanisms are evenly arranged along the circumferential direction, and the rotating frame 2 rotates at an angle of 90° each time.

[0050] The unloading mechanism includes a mounting plate 3 connected to the rotating frame 2 and a funnel 4 which is liftable and arranged on the mounting plate 3; a low-position support plate 5 and a high-position support plate 6 for limiting the height of the funnel 4 are circumferentially arranged on the frame 1, and a lifting mechanism for realizing the lifting and lowering of the funnel 4 is arranged between the low-position support plate 5 and the high-position support plate 6, the low-position support plate 5 and the high-position support plate 6 are integrally assembled into a ring shape, and a space for installing the lifting mechanism is arranged between the low-position support plate 5 and the high-position support plate 6.

[0051] The funnel 4 is fixedly provided with a slide block 7, the slide block 7 is provided with a guide groove wheel 8, and the mounting plate 3 is provided with a vertical guide rod 9 to match the guide groove wheel 8. Figure 6 As shown, the guide groove wheels 8 are arranged in pairs, with a total of four locations, and the vertical guide rods 9 are arranged in parallel at two locations. The vertical guide rods 9 are located on the outside of the guide groove wheels 8. This guide structure does not require lubrication, has no balls, no dust accumulation, is easy to clean, and makes the mechanism more stable, and is particularly suitable for powder packaging and filling production lines.

[0052] A vertical axis 10 is rotatably arranged on the rotating frame 2, and the mounting plate 3 is fixed on the vertical axis 10. An offset adjustment mechanism is arranged between the vertical axis 10 and the frame 1. In actual production operations, a closed chain transmission structure is arranged below the structure in the present application, and a manipulator for clamping the packaging bag is arranged on each chain link. When the chain link makes an arc turn at the end, a certain degree of self-swing will occur, and the offset adjustment mechanism is to make the movement of the funnel 4 and the chain link completely consistent, so as to ensure the stability of the filling process.

[0053] The offset adjustment mechanism includes a rocker arm 11 and an adjustment ring 12 fixedly arranged on the frame 1, the adjustment ring 12 is coaxially arranged with the rotating frame 2, one side of the rocker arm 11 is fixedly connected to the vertical shaft 10, and the other side of the rocker arm 11 is provided with a supporting portion 13, and an elastic member 14 tending to force the supporting portion 13 to abut against the adjustment ring 12 is provided between the rocker arm 11 and the rotating frame 2. In the present embodiment, the supporting portion 13 is a roller structure, the elastic member 14 is a tension spring, and a protrusion 1201 and / or a recessed portion 1202 are provided on the adjustment ring 12.

[0054] like Fig.13As shown, in the present embodiment, one end of the rocker arm 11 is fixedly connected to the vertical shaft 10, the abutment portion 13 is arranged at the other end of the rocker arm 11, and the tension spring is connected to the middle part of the rocker arm 11. In actual production, the positions of the abutment portion 13 and the tension spring can also be interchanged to give the tension spring the ability to apply a greater torque to the rocker arm 11, and then a smaller spring can be selected within the required range to meet the use requirements, thereby facilitating the compact arrangement of other structures.

[0055] During the overall movement process, the abutment portion 13 always abuts against the side of the adjustment ring 12. Since most of the adjustment ring 12 is on the same circle, it can make a stable arc motion. When it reaches the raised portion 1201 or the recessed portion 1202, the rocker arm 11 will drive the funnel 4 to perform a small-angle adaptive swing to adapt to the swing of the manipulator. In actual production, whether to set a raised portion or a recessed portion, and at what position, is determined according to the actual chain transmission structure. In this embodiment, when the funnel 4 is descending, a raised portion is provided, and when the funnel 4 is ascending, a recessed portion is provided.

[0056] The lifting mechanism includes a seesaw 15 , the middle part of which is hinged to the frame 1 via a horizontal rotating shaft 16 , and a lifting driving mechanism for driving both ends of the seesaw 15 to swing up and down is arranged between the seesaw 15 and the frame 1 .

[0057] like Figure 7 As shown, in a specific embodiment, the lifting drive mechanism is a cylinder 17a, and the two ends of the cylinder 17a are respectively hinged to the seesaw 15 and the frame 1. Under the telescopic action of the output rod of the cylinder 17a, the two ends of the seesaw 15 are alternately lifted and lowered, and an interlocking mechanism is provided between the funnel 4 and the end of the seesaw 15; Fig.10 As shown, in another specific embodiment, the lifting drive mechanism includes a mounting frame 17b, a driving motor 17c, an eccentric wheel 17d and a connecting rod 17e, wherein the mounting frame 17b is fixedly arranged on the frame 1, the driving motor 17c is installed on the mounting frame 17b, the eccentric wheel 17d is rotatably arranged on the mounting frame 17b through the rotating shaft 17f, the output shaft of the driving motor 17c is connected to the rotating shaft 17f through a synchronous belt, and the output shaft of the driving motor 17c and the rotating shaft 17f are respectively provided with synchronous wheels in cooperation with the synchronous belt, wherein the synchronous wheel on the driving motor 17c is smaller than the synchronous wheel on the rotating shaft 17f, one side of the connecting rod 17e is eccentrically hinged to the eccentric wheel 17d, and the other side of the connecting rod 17e is hinged to the seesaw 15, and under the action of the driving motor 17c, the alternating lifting and lowering actions of the two ends of the seesaw 15 are realized.

[0058] The interlocking mechanism includes a floating support plate 21 fixedly connected to the funnel 4. In the present embodiment, the floating support plate 21 is fixed to the bottom of the slider 7. The bottom of the floating support plate 21 is provided with a roller 18 that can travel on the low-position pallet 5 and the high-position pallet 6. The roller 18 is a polyurethane wheel, which can play a certain shock-absorbing and buffering role, reduce the noise of the equipment and reduce the loss. Both ends of the rocker 15 are matched with the roller 18 to provide a roller support 19 and a roller pull-down member 20. In the present embodiment, the roller support 19 is a support column and the roller pull-down member 20 is a pull plate.

[0059] When the roller support 19 is at the lower limit position, the surface of the roller support 19 is flush with the surface of the low-position support plate 5, and the roller 18 can move directly from the roller support 19 to the low-position support plate 5;

[0060] When the roller bracket 19 is at the upper limit position, the surface of the roller bracket 19 is flush with the surface of the high-position pallet 6 , and the roller 18 can move directly from the roller bracket 19 to the high-position pallet 6 .

[0061] The present invention is arranged just above the end of the chain transmission clamping mechanism. In the actual equipment, the chain transmission clamping mechanism and the rotating frame 2 can use the same set of rotation driving mechanism to realize the synchronous rotation of the chain transmission clamping structure and the rotating frame 2, and the position of the funnel 4 and the packaging bag clamped on the chain transmission clamping mechanism corresponds to each other. Based on this, the working principle of the present invention is as follows:

[0062] by Figure 7 For reference and auxiliary explanation, when the packaging bag clamped on the chain drive clamping mechanism moves to the bottom of the leftmost funnel 4, the roller 18 on the leftmost funnel 4 moves from the high-position support plate 6 to the roller support 19 at the left end of the seesaw 15, and the roller 18 on the rightmost funnel 4 moves from the low-position support plate 5 to the roller support 19 at the right end of the seesaw 15. At this time, the cylinder 17a contracts, causing the left side of the seesaw 15 to drop and the right side to rise, and then the left funnel 4 is lowered by pulling the rollers 18 on the left and right sides. The funnel 4 on the right side rises, so that the funnel 4 on the left side is inserted into the packaging bag to start filling, and the funnel 4 on the right side is pulled out from the filled packaging bag, and then the rotating frame 2 rotates 90°, and the roller 18 previously located on the left funnel 4 moves on the low-position support plate 5, and the roller 18 on the right funnel 4 moves on the high-position support plate 5. During the rotating action, the cylinder 17a extends and the seesaw 15 returns to its initial position, preparing for the lifting action of the next group of funnels 4. The cyclic action of the funnel is realized in the above manner.

[0063] The present invention adopts a follow-up unloading structure. When the packaging bag moves to the bottom of the funnel, the funnel moves down and inserts into the packaging bag. At the same time, the collecting hopper above the funnel pours all the materials into the hopper at one time. Then the hopper unloads the materials while moving synchronously with the packaging bag for 180 degrees and then separates from the packaging bag. At this time, the filled packaging bag enters a linear motion stage under the action of a chain transmission mechanism, and the funnel that has just completed the filling action enters the next unloading stage according to a circular trajectory.

[0064] like Fig.15 As shown, in the second embodiment, a follower brush structure is arranged next to the roller 18, and the brush structure includes a brush holder 22 and a follower brush 23 fixed on the brush holder 22. The brush holder 22 is installed on the floating support plate 21 by bolts. The bottom of the follower brush 23 is slightly lower than the bottom of the roller 18. The follower brush 23 is arranged on the front side of the roller 18. When the roller 18 moves on the low-position pallet 5 and the high-position pallet 6, the follower brush 23 is arranged in front of the roller 18, so the path that the roller 18 is about to pass can be cleaned to prevent the filling materials or other items that fall on the low-position pallet 5 and the high-position pallet 6 from affecting the normal passage of the roller 18, thereby ensuring the accuracy of the lifting and lowering action of the funnel 4 and reducing the maintenance times of the equipment.

[0065] like Figure 16-19As shown, in the third embodiment, a gripper assembly is provided on the slider 7 to cooperate with the funnel 4, and the gripper assembly includes gripper arms 24 respectively arranged on both sides of the funnel, the gripper arms 24 are fixedly connected to the slider 7, and a gripper unit corresponding to the discharge port position of the funnel 4 is provided on the gripper arm 24; the gripper unit includes a gripper mounting seat 25, a first clamping jaw 26, a second clamping jaw 27, a first connecting rod 28, a second connecting rod 29 and a driving slider 30, the first clamping jaw 26 and the bottom of the second clamping jaw 27 are arranged to fit together to form a clamping structure for clamping the packaging bag, the middle parts of the first clamping jaw 26 and the second clamping jaw 27 are respectively hinged to the mounting seat 25, the top of the first clamping jaw 26 is hinged to one end of the first connecting rod 28, the other end of the first connecting rod 28 is hinged to one side of the driving slider 30, the top of the second clamping jaw 27 is hinged to one end of the second connecting rod 29, and the other end of the second connecting rod 29 is hinged to one side of the driving slider 30, The other side of the driving slider 30 is hinged, and a clamping cylinder 31 is provided on the mounting seat 25 for making the driving slider 30 move up and down. The cylinder body of the clamping cylinder 31 is fixedly set on the mounting seat 25, and the output rod of the clamping cylinder 31 is fixedly connected to the driving slider 30. The mounting seat 25 is provided with a vertical guide groove to cooperate with the driving slider 30 for realizing the stable up and down movement of the driving slider 30. In order to avoid damaging the packaging bag, a structure of a clamping tooth plate and a rubber pad can be set at the bottom contact position of the first clamping jaw 26 and the second clamping jaw 27. When working, the clamping cylinder 31 makes the driving slider 30 move downward, and then the bottom of the first clamping jaw 26 and the second clamping jaw 27 are separated, and the packaging bag enters between the first clamping jaw and the second clamping jaw, and then the clamping cylinder 31 makes the driving slider 30 move upward, and the first clamping jaw and the second clamping jaw are closed to realize the clamping action of the packaging bag.

[0066] In the past, the robot used to clamp the packaging bags in the production line was set on another device. During the filling process, the weight of the packaging bags increased, and the existing robot structure was limited by design reasons, so the clamping force was relatively small. Therefore, in order to improve the stability of the equipment operation and reduce the load of the existing robot, the above-mentioned clamping hand assembly was added on both sides of the funnel. During the operation of the equipment, the above-mentioned clamping hand assembly and the greater clamping force greatly improved the stability of the packaging bag transportation, making the overall structure more reliable.

[0067] like Figure 20-24As shown, in the fourth embodiment, a nitrogen charging mechanism is provided on the rotating frame 2, and the nitrogen charging mechanism includes a support frame 32 installed on the top of the rotating frame 2. The shape of the support frame 32 matches the rotating frame 2. In this embodiment, both are octagonal, which maintains a good appearance and is conducive to the arrangement of various structural parts. The support frame 32 is a hollow structure, which can be used to install various required electrical components to achieve hidden installation. The outer side of the support frame 32 is provided with a nitrogen charging unit corresponding to the position of the funnel 4. In this embodiment, the funnel 4 is evenly arranged at four places along the circumferential direction, that is, the nitrogen charging unit is also correspondingly provided with four groups;

[0068] The nitrogen charging unit includes a nitrogen charging pipe 33 arranged in the vertical direction. The nitrogen charging pipe 33 is arranged on the support frame 32 so as to be movable up and down, and the bottom of the nitrogen charging pipe 33 extends into the funnel 4. Specifically, the device for driving the nitrogen charging pipe 33 to move up and down is an electric cylinder 34, which is fixedly arranged on the support frame 32. Fig.21 As shown, the upper side of the nitrogen filling pipe 33 is fixedly connected to the slider of the electric cylinder 34 through a connecting frame 35, as shown in FIG. Fig. 22 As shown, the support frame 32 is provided with a guide sleeve 36 to cooperate with the nitrogen filling pipe 33 to ensure the smooth up and down movement of the nitrogen filling pipe 33. Fig.23 As shown, a plurality of air outlet holes are provided at the bottom of the nitrogen filling tube 33 to ensure uniform and smooth air outlet. When working, the nitrogen filling tube 33 descends and is inserted into the packaging bag to fill nitrogen. After the nitrogen filling is completed, the nitrogen filling tube 33 rises to its original position.

[0069] The embodiments of the present invention are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A follow-up unloading mechanism, characterized in that: It comprises a frame, on which a rotating frame is arranged, the rotating frame is connected to a rotating driving device, and a plurality of unloading mechanisms are evenly arranged on the rotating frame along the circumferential direction; The unloading mechanism comprises a mounting plate connected to the rotating frame and a hopper which is liftable and arranged on the mounting plate; A low-position support plate and a high-position support plate for limiting the height of the funnel are arranged on the frame along the circumferential direction, and a lifting mechanism for realizing the lifting of the funnel is arranged between the low-position support plate and the high-position support plate; A vertical shaft is rotatably arranged on the rotating frame, the mounting plate is fixed on the vertical shaft, and an offset adjustment mechanism is arranged between the vertical shaft and the frame; The offset adjustment mechanism includes a swing rod and an adjustment ring fixedly arranged on the frame, the adjustment ring is coaxially arranged with the rotating frame, one side of the swing rod is fixedly connected to the vertical shaft, the other side of the swing rod is provided with a supporting portion, and an elastic member tending to force the supporting portion to abut against the adjustment ring is arranged between the swing rod and the rotating frame; The adjusting ring is provided with a raised portion and / or a recessed portion; The funnel is fixedly provided with a slider, the slider is provided with a guide groove wheel, and the mounting plate is provided with a vertical guide rod to match the guide groove wheel; The lifting mechanism includes a seesaw, the middle part of which is hinged to the frame through a horizontal rotating shaft, a lifting driving mechanism for driving the two ends of the seesaw to swing up and down is arranged between the seesaw and the frame, and an interlocking mechanism is arranged between the funnel and the end of the seesaw; The interlocking mechanism includes a floating support plate fixedly connected to the funnel, the bottom of the floating support plate is provided with rollers that can travel on the low-position support plate and the high-position support plate, and both ends of the seesaw are provided with roller support members and roller pull-down members in conjunction with the rollers; When the roller support is at the lower limit position, the surface of the roller support is flush with the surface of the low-position support plate; When the roller support is at the upper limit position, the surface of the roller support is flush with the surface of the high-position support plate.

2. A follow-up unloading mechanism according to claim 1, characterized in that: A follow-up brush structure is arranged beside the roller.

3. A follow-up unloading mechanism according to claim 1, characterized in that: The sliding block is provided with a hand clamping assembly in cooperation with the funnel.

4. A follow-up unloading mechanism according to claim 3, characterized in that: The gripper assembly comprises gripper arms respectively arranged on both sides of the funnel, the gripper arms are fixedly connected to the slider, and the gripper arms are provided with gripper units corresponding to the discharge port position of the funnel; The gripper unit includes a gripper mounting seat, a first jaw, a second jaw, a first connecting rod, a second connecting rod and a driving slider. The first jaw and the second jaw are fitted together at the bottom, the middle of the first jaw and the second jaw are respectively hinged to the mounting seat, the top of the first jaw is hinged to one end of the first connecting rod, the other end of the first connecting rod is hinged to one side of the driving slider, the top of the second jaw is hinged to one end of the second connecting rod, the other end of the second connecting rod is hinged to the other side of the driving slider, and a clamping cylinder for moving the driving slider up and down is provided on the mounting seat.

5. The follow-up unloading mechanism according to claim 1, characterized in that: The rotating frame is provided with a nitrogen charging mechanism, and the nitrogen charging mechanism comprises a support frame installed on the top of the rotating frame, and a nitrogen charging unit corresponding to the position of the funnel is provided on the outer side of the support frame; The nitrogen charging unit comprises a nitrogen charging pipe arranged in a vertical direction, the nitrogen charging pipe is arranged on a supporting frame movably up and down, and the bottom of the nitrogen charging pipe extends into the funnel.

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