Online material supplementing machine

Abstract

The utility model discloses an on-line material supplementing machine which comprises a machine frame, an electric cabinet and a material supplementing device, wherein the electric cabinet and the material supplementing device are arranged on the machine frame. The electric cabinet is used for electrically controlling the material supplementing device, and the material supplementing device comprises a material conveying mechanism, a removing mechanism, a storage hopper, a material supplementing suction tool, a pushing mechanism and a cache discharging mechanism; when the materials on the material conveyor are lacked, the materials are pushed into the storage hopper through the removing mechanism, after the materials needing to be supplemented are placed in the storage hopper, the materials needing to be supplemented are transplanted to the buffering discharging mechanism through the material supplementing suction tool, and the valve is opened for discharging so as to achieve material supplementing. And if the number of the materials in the storage hopper is not enough, the removing mechanism directly pushes the materials on the conveying station to the storage hopper for size. And the circulation realizes that the conveyed materials meet the quantity or are empty. Manual participation is not needed in the material supplementing process, full automation of removing and material supplementing is achieved, the material supplementing efficiency is greatly improved, and the situations of material shortage and material shortage of products are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of packaging equipment, and more specifically, to an online feeding machine. Background Art

[0002] During the packaging production process, materials are neatly arranged on the material conveyor and transported in sequence. However, unqualified products or materials need to be removed during the production process, which can lead to gaps or material shortages on the conveyor line. This is especially true when sheet materials are stacked. This can easily lead to insufficient material at the stacking station. Workers need to constantly collect the materials at the insufficient material station and place them on the unloader for replenishment. This increases the workload of workers, reduces the efficiency of the equipment, and is prone to errors and omissions, resulting in insufficient material in the packaged products. Utility Model Content

[0003] The present invention provides an online feeding machine to solve the problems raised in the above background technology. To achieve the above purpose, the present invention provides the following technical solutions: an online feeding machine, comprising a frame, an electric control box and a feeding device arranged on the frame;

[0004] The electric control box is used to electrically control the feeding device;

[0005] The feeding device includes a material conveying mechanism, a rejecting mechanism, a storage hopper, a feeding gripper, a pushing mechanism and a buffer feeding mechanism;

[0006] The material conveying mechanism is provided with a plurality of conveying stations, on which materials are placed;

[0007] The rejecting mechanism and the storage hopper are respectively arranged on both sides of the material conveying mechanism, and the buffer unloading mechanism is arranged above the material conveying mechanism;

[0008] The rejection mechanism is used to push the material on the conveying station into the storage hopper;

[0009] The feeding suction device is arranged above the storage hopper and is used to move the material from the storage hopper to the buffer discharge mechanism;

[0010] The pushing mechanism is connected to the feeding gripper and drives the feeding gripper to move back and forth between above the storage hopper and above the buffer unloading mechanism;

[0011] The bottom of the buffer unloading mechanism is provided with an openable and closable valve, and the valve is arranged in coordination with the conveying station below; when the valve is opened, the material falls into the corresponding conveying station.

[0012] Preferably, the rejection mechanism includes a support unit and multiple rejection units, the support unit is connected to the outer wall of the material conveying mechanism, and the multiple rejection units are installed on the support unit at intervals; the storage hopper includes multiple storage units; the feeding suction device includes multiple feeding units, and the buffer unloading mechanism includes multiple unloading units. The number of the rejection units, the storage units, the feeding units and the unloading units is the same, and they are arranged one by one.

[0013] Preferably, the number of the rejecting unit, the storage unit, the feeding unit and the unloading unit is four.

[0014] Preferably, the rejection unit includes a sliding frame, a sliding rod is provided on the sliding frame, a slider seat is provided on the sliding rod, and a push plate is provided on the slider seat; the cross-section of the push plate is an L-shaped structure, the L-shaped structure includes a horizontal side and a vertical side, the horizontal side is connected to the top of the slider seat, and the vertical side is arranged toward the material conveying mechanism; a screw mechanism is provided on the sliding frame, and the screw mechanism is connected to the slider seat; a drive motor is provided at the lower part of the sliding frame, and the drive motor is transmission-connected to the screw mechanism and drives the screw mechanism to operate.

[0015] Preferably, the material storage unit includes a material storage grid and a lifting module, the material storage grid includes a bottom plate, and the bottom plate is a movable structure; the lifting module is arranged on the frame and connected to the bottom plate, and the lifting module drives the bottom plate to move up and down in the material storage grid.

[0016] Preferably, the lifting module includes a lifting motor, a lifting slide, a lifting slider, a lifting arm and a lifting screw; the lifting motor is arranged at one end of the lifting slide, and the back of the lifting slide is connected to the frame; the lifting slider is slidably arranged in the lifting slide, the lifting motor is transmission-connected to the lifting screw, and the lifting screw is threadedly connected to the lifting slider; one end of the lifting arm is connected to the lifting slider, and the other end is connected to the base plate.

[0017] Preferably, the feeding unit includes a feeding bracket, a feeding cylinder, a connecting plate and a pair of vacuum suction nozzles; the feeding bracket is connected to the pushing mechanism, the feeding cylinder is arranged on the feeding bracket, the connecting plate is arranged at the end of the piston rod of the feeding cylinder, and a pair of vacuum suction nozzles are respectively arranged on both sides of the connecting plate.

[0018] Preferably, the buffer unloading mechanism also includes a unloading rack, and the unloading unit is arranged on the unloading rack; the valve includes a pair of wide finger cylinders and a pair of plug plates; the pair of wide finger cylinders are arranged opposite to each other, and a pair of plug plates are arranged between the two wide finger cylinders, and the two ends of the plug plates are respectively connected to the two wide finger cylinders.

[0019] Preferably, the pushing mechanism includes a pushing platform, a pair of slide rails, a plurality of sliders, a pushing motor, a swing arm and a connecting rod; a pair of slide rails are respectively fixedly connected to the frame, the sliders are arranged on the slide rails and connected to the pushing platform; the pushing motor is arranged on the frame, and its output shaft is connected to the swing arm, the swing arm is rotatably connected to one end of the connecting rod, and the other end of the connecting rod is rotatably connected to the pushing platform.

[0020] Preferably, a dust cover is provided on the rejecting mechanism.

[0021] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention has a reasonable design and a simple structure. When the material on the material conveyor is short of material, the rejection mechanism will first push the material into the storage hopper. After the required amount of material is placed in the storage hopper, the material replenishment gripper will transfer the required amount of material to the buffer unloading mechanism, and the valve will be opened to discharge the material to realize the replenishment. If the amount in the storage hopper is not enough for replenishment, the rejection mechanism will directly push the material on the conveying station into the storage hopper for sizing. This cycle ensures that the material conveyed out meets the quantity or is empty. The present invention can directly reject the missing material during the conveying process, and realizes that the rejected material is directly used for replenishment. The process does not require manual participation, and the rejection and replenishment are fully automatic, which greatly improves the efficiency of replenishment and reduces the occurrence of product shortages and insufficient materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a structural diagram of an online feeding machine according to an embodiment of the present utility model;

[0023] Figure 2 This is a structural diagram of the online feeding machine from another angle according to an embodiment of the present utility model;

[0024] Figure 3 This is a side view of the online feeding machine according to an embodiment of the present invention;

[0025] Figure 4 This is a bottom structural diagram of the online feeding machine according to an embodiment of the present utility model;

[0026] Figure 5 This is a top view of the online feeding machine according to an embodiment of the present utility model;

[0027] Figure 6 A cross-sectional view of an online feeding machine according to an embodiment of the present invention;

[0028] Figure 7 This is a diagram showing the internal structure of an online feeding machine according to an embodiment of the present invention;

[0029] Figure 8This is a diagram of the internal structure of the online feeding machine according to an embodiment of the present invention from another angle;

[0030] Figure 9 This is a structural diagram of the rejection unit of the online feeding machine according to an embodiment of the present utility model;

[0031] Figure 10 This is a structural diagram of the lifting module of the online feeding machine according to an embodiment of the present utility model;

[0032] Figure 11 This is a structural diagram of the buffer unloading mechanism of the online feeding machine according to an embodiment of the utility model;

[0033] exist Figures 1 to 11 , the corresponding relationship between the names of the components and the accompanying drawing numbers is as follows:

[0034] 1--Frame, 2--Electric control box, 3--Material conveying mechanism, 4--Rejection mechanism, 41--Support unit, 42--Rejection unit, 421--Sliding frame, 422--Slide rod, 423--Slider seat, 424--Push plate, 425--Drive motor, 5--Storage hopper, 51--Storage grid, 511--Bottom plate, 52--Lifting module, 521--Lifting motor, 522--Lifting chute, 523--Lifting slider, 5 24--Lifting arm, 6--Feeding gripper, 61--Feeding bracket, 62--Feeding cylinder, 63--Connecting plate, 64--Vacuum nozzle, 7--Pushing mechanism, 71--Pushing platform, 72--Slide rail, 73--Slider, 74--Pushing motor, 75--Swing arm, 76--Connecting rod, 8--Cache unloading mechanism, 81--Unloading unit, 82--Unloading rack, 83--Wide finger cylinder, 84--Insert plate, 9--Dust cover. DETAILED DESCRIPTION

[0035] The following embodiments of the present invention are further described in detail with reference to the accompanying drawings and examples. The accompanying drawings are for reference only and are not intended to limit the scope of the present invention. The following examples are intended to illustrate the present invention but are not intended to limit the scope of the present invention.

[0036] In the description of this utility model, unless otherwise specified, "plurality" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific direction, be constructed, or operate in a specific direction, and therefore should not be construed as limiting this utility model. Furthermore, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0037] In the description of this utility model, it should be noted that, unless otherwise specified or limited, the terms "connected" and "connection" should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integral connection; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediary. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0038] Please refer to Figures 1 to 11 The utility model provides an online feeding machine, comprising a frame 1, an electric control box 2 and a feeding device arranged on the frame 1;

[0039] The electric control box 2 is used to electrically control the feeding device;

[0040] The feeding device includes a material conveying mechanism 3, a rejecting mechanism 4, a storage hopper 5, a feeding gripper 6, a pushing mechanism 7 and a buffer discharge mechanism 8;

[0041] The material conveying mechanism 3 is provided with a plurality of conveying stations, on which materials are placed;

[0042] The rejecting mechanism 4 and the storage hopper 5 are respectively arranged on both sides of the material conveying mechanism 3, and the buffer unloading mechanism 8 is arranged above the material conveying mechanism 3;

[0043] The rejecting mechanism 4 is used to push the materials on the conveying station into the storage hopper 5;

[0044] The feeding suction device 6 is provided above the storage hopper 5 and is used to move the material from the storage hopper 5 to the buffer discharge mechanism;

[0045] The pushing mechanism 7 is connected to the feeding gripper 6 and drives the feeding gripper 6 to move back and forth between above the storage hopper and above the buffer unloading mechanism 8;

[0046] The bottom of the buffer unloading mechanism is provided with an openable and closable valve, and the valve is arranged in coordination with the conveying station below; when the valve is opened, the material falls into the corresponding conveying station.

[0047] In the embodiment of the present invention, the material conveying mechanism 3 is equipped with multiple conveying stations, each of which holds a number of materials. Because previous processes on the assembly line may produce waste, material shortages, or insufficient material, the material supply at the conveying station may be insufficient. To address this issue, a rejection mechanism 4 and a buffer discharge mechanism 8 are provided to coordinate with the material conveying mechanism 3. The rejection mechanism 4 is located on one side of the material conveying mechanism 3 and is coordinated with each conveying station. The storage hopper 5 is located on the other side and is coordinated with the rejection mechanism 4.

[0048] When the insufficient quantity of the conveying station reaches the rejection mechanism 4, the rejection mechanism 4 is activated to push the material into the storage bucket 5, and then the material is sucked by the feeding suction device 6. The pushing mechanism 7 moves the feeding suction device 6 and the material to the top of the cache unloading mechanism 8. The feeding suction device 6 puts the material into the cache unloading mechanism 8. The cache unloading mechanism 8 above the conveying station is activated and drops the material onto the conveying station, so that the quantity on the conveying station meets the requirements. After that, the conveying station can continue to convey forward for packaging, so that the material in the packaging bag can be transported to meet the requirements.

[0049] When the material in the storage hopper 5 receives the material sent by the rejection mechanism 4, and the amount of material sent by the feeding suction device 6 still does not meet the production requirements, the material on the buffer discharge mechanism 8 falls into the conveying station, and the rejection mechanism 4 directly pushes the material on the conveying station into the storage hopper 5 as a reserve material for the next feeding. This operation can keep the conveying station empty, and the subsequent packaging process can take corresponding actions by identifying the empty conveying station, avoiding the situation where the amount of material in the packaging bag is insufficient.

[0050] Through the above structural design, the workflow of this embodiment is as follows:

[0051] If the material on the material conveying mechanism 3 is insufficient, the reject mechanism 4 pushes the material into the storage hopper 5. Once the storage hopper 5 has the required amount of material, the replenishment gripper 6 transfers the required amount of material to the buffer discharge mechanism 8, which opens and closes to discharge the material. If the storage hopper 5 is insufficient, the reject mechanism 4 directly pushes the material from the conveying station into the storage hopper 5 for storage. This cycle ensures that the material discharged is either sufficient or empty, allowing for subsequent automatic packaging equipment.

[0052] Preferably, the rejection mechanism 4 includes a support unit 41 and multiple rejection units 42, the support unit 41 is connected to the outer wall of the material conveying mechanism 3, and multiple rejection units 42 are installed at intervals on the support unit 41; the storage hopper 5 includes multiple storage units; the feeding suction device 6 includes multiple feeding units, and the buffer unloading mechanism includes multiple unloading units 81. The number of the rejection units 42, the storage units, the feeding units and the unloading units 81 is the same, and they are arranged one by one.

[0053] In this embodiment, in order to be able to realize the replenishment operation of multiple conveying stations at the same time, multiple rejection units 42, storage units, replenishment units and unloading units 81 are set, and each rejection unit 42, storage unit, replenishment unit and unloading unit 81 are coordinated with each other, so that the material on the conveying station is sent to the corresponding storage unit through the rejection unit 42, and then the coordinated replenishment unit absorbs and transfers the material to the unloading unit 81, and finally the unloading unit 81 sends the material to the initial conveying station, forming a cycle to ensure that the material quantity can meet the requirements.

[0054] Preferably, the number of the rejecting unit 42, the material storage unit, the material replenishing unit and the material unloading unit 81 are all four.

[0055] Preferably, the rejection unit 42 includes a sliding frame 421, a sliding rod 422 is provided on the sliding frame 421, a slider seat 423 is provided on the sliding rod 422, and a push plate 424 is provided on the slider seat 423; the cross-section of the push plate 424 is an L-shaped structure, and the L-shaped structure includes a horizontal side and a vertical side, the horizontal side is connected to the top of the slider seat 423, and the vertical side is arranged toward the material conveying mechanism 3; a screw mechanism is provided on the sliding frame 421, and the screw mechanism is connected to the slider seat 423; a drive motor 425 is provided at the lower part of the sliding frame 421, and the drive motor 425 is transmission-connected to the screw mechanism and drives the screw mechanism to operate.

[0056] Through the above structural design, when working, the driving motor 425 drives the screw mechanism to move, the screw mechanism acts on the slider seat 423 and drives the slider seat 423 to move, and the push plate 424 on the slider seat 423 moves accordingly and pushes the material out of the conveying station. After pushing out, the driving motor 425 reverses and drives the push plate 424 to retreat.

[0057] Preferably, the material storage unit includes a material storage grid 51 and a lifting module 52. The material storage grid 51 includes a bottom plate 511, and the bottom plate 511 is a movable structure. The lifting module 52 is disposed on the frame 1 and connected to the bottom plate 511. The lifting module 52 drives the bottom plate 511 to move up and down in the material storage grid 51. In this embodiment, the bottom plate 511 of the material storage grid 51 is a movable structure. When the lifting module 52 is activated, the bottom plate 511 is lifted or lowered to achieve vertical movement of materials.

[0058] Preferably, the lifting module 52 includes a lifting motor 521, a lifting slot 522, a lifting slider 73523, a lifting arm 524, and a lifting screw. The lifting motor 521 is disposed at one end of the lifting slot 522, the back of which is connected to the frame 1. The lifting slider 73523 is slidably disposed in the lifting slot 522. The lifting motor 521 is in transmission connection with the lifting screw, which is threadedly connected to the lifting slider 73523. One end of the lifting arm 524 is connected to the lifting slider 73523, and the other end is connected to the base plate 511. With the above structural design, when the lifting motor 521 is started, it drives the lifting screw to operate, which acts on the lifting slider 73523, which drives the lifting arm 524 to move, so that the lifting arm 524 can drive the base plate 511 to move in the vertical direction.

[0059] Preferably, the feeding unit includes a feeding bracket 61, a feeding cylinder 62, a connecting plate 63, and a pair of vacuum suction nozzles 64; the feeding bracket 61 is connected to the pushing mechanism 7, the feeding cylinder 62 is mounted on the feeding bracket 61, the connecting plate 63 is mounted at the end of the piston rod of the feeding cylinder 62, and a pair of vacuum suction nozzles 64 are respectively disposed on either side of the connecting plate 63. In this embodiment, the feeding cylinder 62 is connected to the pushing mechanism 7 via the feeding bracket 61. When the pushing mechanism 7 moves, the feeding cylinder 62 and connected components are moved and pushed out or retracted; in addition, the vacuum suction nozzle 64 sucks the material by connecting to a vacuum generator. When refilling is needed, the refilling cylinder 62 is actuated to drive the vacuum suction nozzle 64 downward, the vacuum generator is started, the vacuum suction nozzle 64 absorbs the material, and then the refilling cylinder 62 retreats, the vacuum suction nozzle 64 drives the material upward, and the pushing mechanism 7 sends the vacuum suction nozzle 64 and the material to the top of the cache unloading mechanism 8, and then the vacuum generator is disconnected, and the material on the vacuum suction nozzle 64 falls onto the cache unloading mechanism 8.

[0060] Preferably, the buffer unloading mechanism further includes an unloading rack 82, on which the unloading unit 81 is mounted. The valve includes a pair of wide finger cylinders 83 and a pair of insert plates 84. The pair of wide finger cylinders 83 are positioned opposite each other, and the pair of insert plates 84 are positioned between the two wide finger cylinders 83. The ends of the insert plates 84 are respectively connected to the two wide finger cylinders 83. In this embodiment, when the two wide finger cylinders 83 move simultaneously, they can drive the two insert plates 84 to move closer or further away. When the two insert plates 84 move closer to each other, they can support the material delivered by the feeding gripper 6. When the two insert plates 84 move away from each other, the material can fall from top to bottom into the conveying station.

[0061] Preferably, the pushing mechanism 7 includes a pushing platform 71, a pair of slide rails 72, a plurality of sliders 73, a pushing motor 74, a swing arm 75 and a connecting rod 76; the pair of slide rails 72 are respectively fixedly connected to the frame 1, the sliders 73 are arranged on the slide rails 72 and connected to the pushing platform 71; the pushing motor 74 is arranged on the frame 1, and its output shaft is connected to the swing arm 75, the swing arm 75 is rotatably connected to one end of the connecting rod 76, and the other end of the connecting rod 76 is rotatably connected to the pushing platform 71. In this embodiment, when the pushing mechanism 7 is working, the pushing motor 74 is started and drives the swing arm 75 to rotate around the output shaft of the pushing motor 74, the swing arm acts on the connecting rod 76, and the connecting rod 76 acts on the pushing platform 71, so that the pushing platform 71 can realize reciprocating motion on the slide rails 72, thereby pushing out and retracting the feeding suction device 6.

[0062] Preferably, a dust cover is provided on the rejecting mechanism 4. By providing the dust cover, the accumulation of dust and impurities on the rejecting mechanism 4 can be reduced, making the movement of the rejecting mechanism 4 smoother and more stable.

[0063] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention has a reasonable design and a simple structure. When the material on the material conveyor is short of material, the rejection mechanism will first push the material into the storage hopper. After the required amount of material is placed in the storage hopper, the material replenishment gripper will transfer the required amount of material to the buffer unloading mechanism, and the valve will be opened to discharge the material to realize the replenishment. If the amount in the storage hopper is not enough for replenishment, the rejection mechanism will directly push the material on the conveying station into the storage hopper for sizing. This cycle ensures that the material conveyed out meets the quantity or is empty. The present invention can directly reject the missing material during the conveying process, and realizes that the rejected material is directly used for replenishment. The process does not require manual participation, and the rejection and replenishment are fully automatic, which greatly improves the efficiency of replenishment and reduces the occurrence of product shortages and insufficient materials.

[0064] The embodiments of the present invention are provided for purposes of illustration and description and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those skilled in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention and to enable those skilled in the art to understand the present invention and design various embodiments with various modifications suitable for specific applications.

Claims

1. An online feeding machine, characterized in that, The invention comprises a frame (1), an electric control box (2) and a feeding device arranged on the frame; The electric control box is used to electrically control the feeding device; The feeding device comprises a material conveying mechanism (3), a rejecting mechanism (4), a storage hopper (5), a feeding suction device (6), a pushing mechanism (7) and a buffer feeding mechanism (8); The material conveying mechanism is provided with a plurality of conveying stations, on which materials are placed; The rejecting mechanism and the storage hopper are respectively arranged on both sides of the material conveying mechanism, and the buffer unloading mechanism is arranged above the material conveying mechanism; The rejection mechanism is used to push the material on the conveying station into the storage hopper; The feeding suction device is arranged above the storage hopper and is used to move the material from the storage hopper to the buffer discharge mechanism; The pushing mechanism is connected to the feeding gripper and drives the feeding gripper to move back and forth between above the storage hopper and above the buffer unloading mechanism; The bottom of the buffer unloading mechanism is provided with an openable and closable valve, and the valve is arranged in coordination with the conveying station below; when the valve is opened, the material falls into the corresponding conveying station.

2. The online feeding machine according to claim 1, characterized in that: The rejecting mechanism includes a support unit (41) and a plurality of rejecting units (42), the support unit is connected to the outer side wall of the material conveying mechanism, and the plurality of rejecting units are installed on the support unit at intervals; the storage hopper includes a plurality of storage units; the feeding gripper includes a plurality of feeding units, and the buffer unloading mechanism includes a plurality of unloading units (81), and the number of the rejecting units, the storage units, the feeding units and the unloading units is the same and they are arranged in a one-to-one manner.

3. The online feeding machine according to claim 2, characterized in that: The number of the rejecting unit, the material storage unit, the material replenishing unit and the material unloading unit is four.

4. The online feeding machine according to claim 2, characterized in that: The rejection unit includes a sliding frame (421), a sliding rod (422) is provided on the sliding frame, a slider seat (423) is provided on the sliding rod, and a push plate (424) is provided on the slider seat; the push plate has an L-shaped cross-section, and the L-shaped structure includes a horizontal side and a vertical side, the horizontal side is connected to the top of the slider seat, and the vertical side is arranged toward the material conveying mechanism; a screw mechanism is provided on the sliding frame, and the screw mechanism is connected to the slider seat; a driving motor (425) is provided at the lower part of the sliding frame, and the driving motor is transmission-connected to the screw mechanism and drives the screw mechanism to operate.

5. The online feeding machine according to claim 2, characterized in that: The material storage unit comprises a material storage grid (51) and a lifting module (52), wherein the material storage grid comprises a bottom plate (511), and the bottom plate is a movable structure; the lifting module is arranged on the frame and connected to the bottom plate, and the lifting module drives the bottom plate to move up and down in the material storage grid.

6. The online feeding machine according to claim 5, characterized in that: The lifting module includes a lifting motor (521), a lifting chute (522), a lifting slider (523), a lifting arm (524) and a lifting screw; the lifting motor is arranged at one end of the lifting chute, and the back of the lifting chute is connected to the frame; the lifting slider is slidably arranged in the lifting chute, the lifting motor is transmission-connected to the lifting screw, and the lifting screw is threadedly connected to the lifting slider; one end of the lifting arm is connected to the lifting slider, and the other end is connected to the base plate.

7. The online feeding machine according to claim 3, characterized in that: The feeding unit includes a feeding bracket (61), a feeding cylinder (62), a connecting plate (63) and a pair of vacuum suction nozzles (64); the feeding bracket is connected to the pushing mechanism, the feeding cylinder is arranged on the feeding bracket, the connecting plate is arranged at the end of the piston rod of the feeding cylinder, and a pair of vacuum suction nozzles are respectively arranged on both sides of the connecting plate.

8. The online feeding machine according to claim 4, characterized in that: The buffer unloading mechanism further comprises an unloading rack (82), and the unloading unit is arranged on the unloading rack; the valve comprises a pair of wide finger cylinders (83) and a pair of inserting plates (84); the pair of wide finger cylinders are arranged opposite to each other, and the pair of inserting plates are arranged between the two wide finger cylinders, and the two ends of the inserting plates are respectively connected to the two wide finger cylinders.

9. The online feeding machine according to claim 1, characterized in that: The pushing mechanism comprises a pushing platform (71), a pair of slide rails (72), a plurality of sliders (73), a pushing motor (74), a swing arm (75) and a connecting rod (76); the pair of slide rails are respectively fixedly connected to the frame, the sliders are arranged on the slide rails and connected to the pushing platform; the pushing motor is arranged on the frame, the output shaft of the pushing motor is connected to the swing arm, the swing arm is rotatably connected to one end of the connecting rod, and the other end of the connecting rod is rotatably connected to the pushing platform.

10. The online feeding machine according to claim 1, characterized in that: The rejecting mechanism is provided with a dust cover (9).

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