Material distribution head and loading machine

Abstract

The present invention discloses a material distributing head and a loading machine. The material distributing head includes a main frame, a material transmission device, and a bagging device. The main machine is provided with a feed inlet. The material transmission device includes a storage mechanism for receiving the material at the feed inlet and a material conveying device for driving the storage mechanism to move. The storage mechanism is provided with a belt conveying platform for placing the material. The bagging device is used for receiving the material on the storage mechanism and conveying and bagging the material. The bagging device includes a first material placing table for placing the material and a first driving mechanism for driving the first material placing table to open and release the material. Since in the material transmission device, the first material placing table for placing the material on the storage mechanism is a belt conveying platform, that is, the material moves through the belt conveying platform during the transmission process to achieve feeding and discharging, and the first material placing table opens and releases the material. Compared with the situation where the material is pushed sideways and the material bag is deformed, the bagging quality of the material distributing head provided in this application is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of material conveying, and particularly relates to a material distributing head. The present invention also relates to a loading machine including the above-mentioned material distributing head. Background Art

[0002] In modern industrial production such as chemical industry, food, feed, fertilizer, etc., in order to improve work efficiency and work quality and reduce the labor intensity of workers, automatic palletizing equipment such as high-level palletizers or palletizing robots has been widely used in society to replace manual labor for palletizing packaged products such as bagged products.

[0003] The traditional material distributing head includes a frame, a conveying device and a pushing device. The conveying device and the pushing device are installed on the frame, and the pushing device is located above the conveying device. During operation, the pushing device makes a left-right reciprocating linear motion parallel to the conveying direction of the conveying device, and pushes the bagged products conveyed on the conveying device from the middle to the left and right sides for separate conveying.

[0004] However, when pushing bagged materials left and right by the pushing device, for materials with a powdery structure inside the material bag, the material packages after being separated will have a large deformation, resulting in an uneven and insecure stack shape during subsequent loading and palletizing, and thus the quality of bag stacking is low.

[0005] Therefore, how to improve the quality of bag stacking is a technical problem that needs to be solved urgently by those skilled in the art. Summary of the Invention

[0006] The object of the present invention is to provide a material distributing head to improve the quality of bag stacking. The present invention also relates to a loading machine including the above-mentioned material distributing head.

[0007] To achieve the above object, the present invention provides a material distributing head for a loading machine, including:

[0008] A main frame, on which an inlet is provided;

[0009] A material transmission device, which includes a stock storage mechanism for receiving materials from the inlet and a material conveying device for driving the stock storage mechanism to move. A belt conveying platform for placing materials is provided on the stock storage mechanism;

[0010] And a bag stacking device for receiving materials on the stock storage mechanism and conveying the materials for bag stacking. The bag stacking device includes a first material placement table for placing materials and a first driving mechanism for driving the first material placement table to open and release materials.

[0011] Preferably, the packing device further comprises a rotating mechanism for driving the first material placing table to rotate horizontally and a second driving mechanism for driving the rotating mechanism to rotate. The first driving mechanism is installed at the rotating end of the rotating mechanism. A hopper cavity for placing materials is formed below the first driving mechanism, below the rotating mechanism and above the first material placing table.

[0012] Preferably, the packing device further comprises a traveling mechanism connected to the housing of the rotating mechanism. The main frame moves horizontally, and the third driving mechanism moves horizontally and laterally. The first guide rail for the movement of the main frame further comprises a lifting device for driving the first material placing table to lift.

[0013] Preferably, the lifting device comprises a lifting guide rod and a fourth driving device for driving the lifting guide rod to lift. The lifting guide rod is fixedly connected to the outer shell of the rotating mechanism.

[0014] Preferably, the material transmission device comprises a lateral movement device for driving the belt conveying platform to move horizontally and laterally and a longitudinal movement device for driving the belt conveying platform to move horizontally and longitudinally.

[0015] Preferably, a second guide rail for guiding the horizontal and lateral movement of the belt conveying platform is provided on the main frame. The lateral movement device is driven to move by a fifth driving device.

[0016] Preferably, the material transmission device further comprises an installation table. The top end of the belt conveying platform is installed on the installation table through legs. The longitudinal movement device comprises a sixth driving device installed on the installation table and used for driving the belt conveying platform to move horizontally and longitudinally. A third guide rail for guiding the horizontal and longitudinal movement direction of the belt conveying platform is provided on the upper surface of the installation table.

[0017] Preferably, the belt conveying platform is driven to move back and forth by a seventh driving device, and the seventh driving device is a stepping motor.

[0018] Preferably, the first material placing table comprises two flap plates capable of flipping downward to both sides and an eighth driving device for driving the flap plates to rotate.

[0019] Preferably, the first material placing table comprises two flat plate support devices capable of approaching or separating horizontally and a ninth driving device for driving the flat plate support devices to move horizontally.

[0020] Preferably, there are two material transmission devices and two packing devices, and the material transmission devices and the packing devices correspond one by one. When the material distributing mechanism is in the initial position, the two material transmission devices are respectively located at the feeding port and are symmetrically distributed with respect to the center line of the position where the feeding port is located.

[0021] A loading machine includes a material distributing head, and the material distributing head is the material distributing head described in any one of the above.

[0022] In the above technical solution, the material distributing head provided by the present invention for a loading machine includes a main frame, a material transmission device and a bagging device. There is a feed inlet on the main machine. The material transmission device includes a storage mechanism for receiving the material from the feed inlet and a material conveying device for driving the storage mechanism to move. There is a belt conveying platform on the storage mechanism for placing the material. The bagging device is used to receive the material on the storage mechanism and convey and bag the material. The bagging device includes a first material placing table for placing the material and a first driving mechanism for driving the first material placing table to open and release the material.

[0023] It can be seen from the above description that in the material distributing head provided in this application, since in the material transmission device, the first material placing table for placing the material on the storage mechanism is a belt conveying platform, that is, the material moves through the belt conveying platform during the transmission process to achieve feeding and discharging, and the first material placing table opens to release the material. Compared with the situation where the material is pushed sideways and the material bag is deformed, the bagging quality of the material distributing head provided in this application is improved. Description of the Drawings

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only the embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained according to the provided drawings.

[0025] Figure 1 It is a three-dimensional structure diagram of the material distributing head provided by the embodiment of the present invention;

[0026] Figure 2 It is a top view of the material distributing head provided by the embodiment of the present invention;

[0027] Figure 3 It is a top view of the material distributing head provided by the embodiment of the present invention;

[0028] Figure 4 It is a schematic structural diagram of the bagging device on one side of the feed inlet provided by the embodiment of the present invention;

[0029] Figure 5 It is a schematic structural diagram of the bagging device on the other side of the feed inlet provided by the embodiment of the present invention;

[0030] Figure 6 It is a three-dimensional structure diagram of the main frame and the support provided by the embodiment of the present invention;

[0031] Figure 7The top view of the main frame and the bracket provided by the embodiment of the present invention;

[0032] Figure 8 The structural schematic diagram of the material transmission device on one side of the feed inlet provided by the embodiment of the present invention;

[0033] Figure 9 The structural schematic diagram of the material transmission device on the other side of the feed inlet provided by the embodiment of the present invention;

[0034] Figure 10 The three-dimensional structure diagram of the bracket provided by the embodiment of the present invention.

[0035] Wherein Figure 1-10 In:

[0036] 1. Main frame; 1-1. Feed inlet; 1-2. Second guide rail;

[0037] 2. Material transmission device; 2-1. Belt conveyor platform; 2-2. Seventh driving device; 2-3. Sixth driving device; 2-4. Third guide rail;

[0038] 3. Material transmission device; 3-1. Belt conveyor platform; 3-2. Seventh driving device; 3-3. Sixth driving device; 3-4. Third guide rail;

[0039] 4. Bagging device; 4-1. Lifting guide rod; 4-2. Fourth driving device; 4-3. Second driving mechanism; 4-4. Walking mechanism; 4-5. Rotating mechanism; 4-6. First driving mechanism; 4-7. Hopper cavity; 4-8. First material placement table;

[0040] 5. Bagging device; 5-1. Lifting guide rod; 5-2. Fourth driving device; 5-3. Second driving mechanism; 5-4. Walking mechanism; 5-5. Rotating mechanism; 5-6. First driving mechanism; 5-7. Hopper cavity; 5-8. First material placement table;

[0041] 6. Bracket; 6-1. First guide rail;

[0042] 7. Fifth driving device; 8. Third driving mechanism; 9. Third driving mechanism; 10. Fifth driving device. Detailed implementation manners

[0043] The core of the present invention is to provide a material distributing head to improve the bagging quality. The present invention also relates to a loading machine including the above-mentioned material distributing head.

[0044] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be further described in detail below with reference to the drawings and embodiments.

[0045] Please refer to Figures 1 to 10。

[0046] In a specific embodiment, the material distributing head provided by the specific embodiment of the present invention is used for a loading machine and includes:

[0047] A main frame 1, on which a feeding port 1-1 is provided; the feeding port 1-1 is connected to a feeding belt. Specifically, the main frame 1 can be a hollow structure composed of multiple support rods, and two adjacent support rods can be fixedly connected by bonding, welding, threaded connection or other means.

[0048] Material conveying devices 2 and 3, the material conveying devices 2 and 3 include a material storage mechanism for receiving the material from the feeding port 1-1 and a material conveying device for driving the material storage mechanism to move. A belt conveying platform 2-1 and 3-1 for placing materials are provided on the material storage mechanism.

[0049] And bagging devices 4 and 5 for receiving the materials on the material storage mechanism and conveying and bagging the materials. The bagging devices 4 and 5 include a first material placement table 4-8 and 5-8 for placing materials and a first driving mechanism 4-6 and 5-6 for driving the first material placement table 4-8 and 5-8 to open and release the materials.

[0050] In a specific embodiment, the bagging devices 4 and 5 are arranged in front of the material conveying devices 2 and 3. The bagging devices 4 and 5 further include a rotating mechanism 4-5 and 5-5 for driving the first material placement table 4-8 and 5-8 to rotate horizontally and a second driving mechanism 4-3 and 5-3 for driving the rotating mechanism 4-5 and 5-5 to rotate. The rotating mechanism 4-5 and 5-5 can be a circular turntable, and the second driving mechanism 4-3 and 5-3 drives the rotating mechanism 4-5 and 5-5 to rotate through a motor.

[0051] The first driving mechanism 4-6 and 5-6 is installed at the rotating end of the rotating mechanism 4-5 and 5-5. A hopper cavity 4-7 and 5-7 for placing materials is formed below the first driving mechanism 4-6 and 5-6, the rotating mechanism 4-5 and 5-5 and above the first material placement table 4-8 and 5-8. Specifically, when the belt conveying platform 2-1 is located in the hopper cavity 4-7 and 5-7 and directly above the first material placement table 4-8 and 5-8, since the belt conveying platforms 2-1 and 3-1 are located below the rotating mechanism 4-5 and 5-5, the materials are conveyed to the first material placement table 4-8 and 5-8 by the rotation of the belt conveying platforms 2-1 and 3-1.

[0052] Specifically, the bagging devices 4 and 5 further include traveling mechanisms 4-4 and 5-4 connected to the housings of the rotating mechanisms 4-5 and 5-5. On the main frame 1, there are third driving mechanisms 8 and 9 for driving the horizontal movement of the traveling mechanisms 4-4 and 5-4. The third driving mechanisms 8 and 9 drive the hopper cavities 4-7 and 5-7 to move horizontally and laterally. On the main frame 1, there is a bracket 6, and the bracket 6 includes a first guide rail 6-1 for the movement of the traveling mechanisms 4-4 and 5-4. Specifically, the bracket 6 is fixedly installed on the main machine. Specifically, the bagging devices 4 and 5 are installed on the first guide rail 6-1 provided on the bracket 6, and the left and right movement is realized by the third driving mechanisms 8 and 9.

[0053] To improve, the bagging devices 4 and 5 further include a lifting device for driving the lifting of the first material placement platforms 4-8 and 5-8. Specifically, the lifting device can be a telescopic cylinder, a telescopic rod, or a linear motor to drive the lifting. Similarly, the lifting device can drive the rack to move through a motor, and the first material placement platforms 4-8 and 5-8 are fixed relative to the rack.

[0054] In a specific manner, the lifting device includes lifting guide rods 4-1 and 5-1 and fourth driving devices 4-2 and 5-2 for driving the lifting of the lifting guide rods 4-1 and 5-1. The lifting guide rods 4-1 and 5-1 are fixedly connected to the outer casings of the rotating mechanisms 4-5 and 5-5. The first material placement platforms 4-8 and 5-8 are fixed relative to the lifting guide rods 4-1 and 5-1.

[0055] In a specific embodiment, the material transfer devices 2 and 3 include a lateral movement device for driving the horizontal and lateral movement of the belt conveyor platforms 2-1 and 3-1 and a longitudinal movement device for driving the horizontal and longitudinal movement of the belt conveyor platforms 2-1 and 3-1.

[0056] Specifically, under the material transfer devices 2 and 3, there are belt conveyor platforms 2-1 and 3-1. The belt conveyor platforms 2-1 and 3-1 are installed below the third guide rails 3-4 and 4-4, and the sixth driving devices 3-3 and 4-3 drive the belt conveyor platforms 2-1 and 3-1 to move along the third guide rails 3-4 and 4-4 to achieve forward and backward movement.

[0057] Specifically, on the main frame 1, there is a second guide rail 1-2 for guiding the horizontal and lateral movement of the belt conveyor platforms 2-1 and 3-1, and the lateral movement device is driven to move by the fifth driving devices 7 and 10.

[0058] In a specific embodiment, the material transfer devices 2 and 3 further include a mounting table. The tops of the belt conveyor platforms 2-1 and 3-1 are mounted on the mounting table through legs. The longitudinal movement device includes a sixth driving device 2-3 and 3-3 mounted on the mounting table and used to drive the belt conveyor platforms 2-1 and 3-1 to move horizontally and longitudinally. The upper surface of the mounting table is provided with third guide rails 2-4 and 3-4 for guiding the horizontal longitudinal movement direction of the belt conveyor platforms 2-1 and 3-1. Specifically, the outer casings of the sixth driving devices 2-3 and 3-3 are mounted on the driving ends of the fifth driving devices 7 and 10. That is, the fifth driving devices 7 and 10 drive the material transfer device 2 to move.

[0059] Specifically, the belt conveyor platforms 2-1 and 3-1 are driven to move back and forth by seventh driving devices 2-2 and 3-2, and the seventh driving devices 2-2 and 3-2 are stepping motors. Since the seventh driving devices 2-2 and 3-2 are stepping motors and the number of rotations of the stepping motors is fixed, the material is firmly fed and discharged.

[0060] In a specific embodiment, the first material placement tables 4-8 and 4-9 include two flaps that can be flipped downward to both sides and an eighth driving device for driving the flaps to rotate. Specifically, the two ranges are similar to a door structure. When opened, the two flaps rotate to both sides respectively at the close positions, and the material leaks down.

[0061] Specifically, the first material placement tables 4-8 and 4-9 include two flat plate support devices that can approach or move away from each other horizontally and a ninth driving device for driving the flat plate support devices to move horizontally. Specifically, when the two flat plates approach, the upper part supports the material, and when the two flat plates move away from each other, the material leaks down through the gap between the two flat plates.

[0062] To improve work efficiency, on the basis of the above-mentioned various solutions, preferably, there are two material transfer devices 2 and 3 and two bagging devices 4 and 5, and the material transfer devices 2 and 3 and the bagging devices 4 and 5 correspond one by one. When the dialing mechanism is in the initial position, the two material transfer devices 2 and 3 are respectively located on the left and right sides of the feeding port 1-1.

[0063] Preferably, the two material transfer devices 2 and 3 are symmetrically distributed with respect to the center line of the position where the feeding port 1-1 is located, and the two bagging devices 4 and 5 are symmetrically distributed with respect to the center line of the position where the feeding port 1-1 is located. Specifically, the material transfer device 2 is arranged on the left side of the frame 1, and the material transfer device 3 is arranged on the right side. The material transfer device 3 is mounted on the second guide rail 1-2 provided on the frame 1 and is driven by the fifth driving device 7 to move left and right. The material transfer device 2 arranged on the left side is mounted on the second guide rail 1-2 provided on the frame 1 and is driven by the fifth driving device 10 to move left and right.

[0064] When the equipment starts to work, the material transfer device 3 stops at the feeding port 1-1 of the loading machine, and the material transfer device 2 is arranged on the right side of the frame 1. When entering the material receiving work, after the material package enters the feeding port 1-1 of the loading machine from the conveyor for loading, the material transfer device 3 starts to work. The seventh driving device 3-2 is started to receive the material package onto the belt conveying platform 3-1. When the material package reaches the designated position, the seventh driving device 3-2 stops working, and the material package is sent onto the belt conveying platform 3-1. The motor on the fifth driving device 7 is started to drive the material transfer device to move leftward on the second guide rail 1-2 to leave the material receiving port 1-1. At this time, the material transfer device 2 starts to enter the position of the material receiving port 1-1 to prepare for receiving materials.

[0065] When the material transfer device 3 reaches the designated position, the sixth driving device 3-3 is started to drive the material transfer device 3 to move forward on the third guide rail 3-4 to send the material transfer device 3 directly above the first material placement table 4-8 of the hopper cavity 4-7 on the bagging device 4. The two flaps of the hopper mechanism 14-7 are in the closed material receiving state. When the material transfer device 3 reaches the designated position above the hopper cavity 4-7, the sixth driving device 3-3 reverses and retreats from above the hopper cavity 4-7. At the same time, the seventh driving device 3-2 rotates forward to release the material package on the belt conveying platform 3-1 onto the first material placement table 4-8. The bagging device 4 is installed on the first guide rail 6-1 provided on the bracket 6, and the traveling mechanism 4-4 is driven by the third driving mechanism 8 to move left and right on the first guide rail 6-1. After the bagging device 4 moves to the designated position of the system, it is driven by the fourth driving device 4-2 to move up and down on the lifting guide rod 4-1. After moving to the designated position, the motor of the first driving mechanism 4-6 is started to drive the first material placement table 4-8 to open, completing one-time material package stacking. Or after the material package is transported to the designated position, the rotating mechanism 4-5 rotates 90° or at multiple angles under the drive of the second driving mechanism 4-3, and then the first material placement table 4-8 is opened to realize the vertical and horizontal alternating stacking of the material packages.

[0066] When the material transfer device 3 on the left leaves the material receiving port 1-1, the material transfer device starts to work. After the material package enters the loading machine feeding port 1-1 from the conveying and loading vehicle, the seventh driving device 2-2 is started to receive the material package onto the belt conveying platform 2-1. When the material package reaches the specified position, the seventh driving device 2-2 stops working, and the material package is sent onto the belt conveying platform 2-1. The motor on the fifth driving device 10 starts, driving the material transfer device 2 to move to the right on the second guide rail 1-2 and leave the material receiving port. At this time, the material transfer device 3 starts to enter the position of the material receiving port 1-1 to prepare for receiving materials. When the material transfer device 2 reaches the specified position, the sixth driving device 2-3 starts, driving the material transfer device 2 to move forward on the third guide rail 2-4 and sending the material transfer device 2 directly above the first material placement table 5-8 of the hopper cavity 5-7 on the lifting and bagging device. The two flaps of the hopper cavity 5-7 are in the closed state for receiving materials. When the material transfer device 2 reaches the specified position above the hopper cavity 5-7, the sixth driving device 2-3 reverses and retreats from above the first material placement table 5-8. At the same time, the seventh driving device 2-2 rotates forward to release the material package on the belt conveying platform 2-1 onto the first material placement table 5-8 of the hopper cavity 5-7. The bagging device 5 is installed on the first guide rail 6-1 provided by the bracket 6, and the traveling mechanism 5-4 is driven by the third driving mechanism 9 to move left and right on the first guide rail 6-1. After the bagging device 5 moves to the specified position of the system, it is driven by the fourth driving device 5-2 to move up and down on the lifting guide rod 5-1. After moving to the specified position, the motor of the first driving mechanism 5-6 starts to drive the first material placement table 5-8 to open, completing one-time material package stacking. Or after the material package is transported to the specified position, the rotating mechanism 5-5 rotates 90° or at multiple angles under the drive of the second driving mechanism 5-3, and then the first material placement table 5-8 is opened to realize the alternate stacking of the material packages horizontally and vertically.

[0067] When a row of material packages is stacked, the motion control system will command the entire loading machine assembly to move to the next row to complete the stacking of the second or the nth row. When the first layer is stacked, the loading machine assembly is lifted up one or several layers and then the second layer or the nth layer is stacked until the quantity of goods picked up by this vehicle is loaded, thus completing this loading operation.

[0068] A loading machine provided by the present application includes a material distributing head, and the material distributing head is any one of the above-mentioned material distributing heads. The specific structure of the material distributing head is described above. The present application includes the above-mentioned material distributing head and also has the above-mentioned technical effects.

[0069] In this specification, each embodiment is described in a progressive manner. The key point of each embodiment is to illustrate the differences from other embodiments. For the same and similar parts among the embodiments, reference can be made to each other.

[0070] The foregoing description of the disclosed embodiments enables those skilled in the art to practice or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A material distribution head, characterized in that, for a loading machine, including: A main frame, on which there is a feed inlet; A material transmission device, which includes a material storage mechanism for receiving the material from the feed inlet and a material conveying device for driving the material storage mechanism to move. The material storage mechanism is provided with a belt conveying platform for placing materials; And a bagging device for receiving the materials on the material storage mechanism and conveying and bagging the materials. The bagging device includes a first material placement table for placing materials and a first driving mechanism for driving the first material placement table to open and release materials; The material transmission device includes a lateral movement device for driving the belt conveying platform to move horizontally and laterally and a longitudinal movement device for driving the belt conveying platform to move horizontally and longitudinally; On the main frame, there is a second guide rail for guiding the horizontal and lateral movement of the belt conveying platform. The lateral movement device is driven by a fifth driving device to move; The material transmission device also includes a mounting table. The top of the belt conveying platform is mounted on the mounting table through legs. The longitudinal movement device includes a sixth driving device mounted on the mounting table and used for driving the belt conveying platform to move horizontally and longitudinally. The upper surface of the mounting table is provided with a third guide rail for guiding the horizontal and longitudinal movement direction of the belt conveying platform; Both the material transmission device and the bagging device are two, and the material transmission device and the bagging device correspond one by one. The two material transmission devices are respectively located on the left and right sides of the feed inlet.

2. The material distribution head according to claim 1, characterized in that, The bagging device further includes a rotating mechanism for driving the first material placement table to rotate horizontally and a second driving mechanism for driving the rotating mechanism to rotate. The first driving mechanism is installed at the rotating end of the rotating mechanism. A hopper cavity for placing materials is formed below the first driving mechanism, below the rotating mechanism and above the first material placement table.

3. The material distribution head according to claim 2, characterized in that, The bagging device further includes a traveling mechanism connected to the housing of the rotating mechanism. On the main frame, there is a third driving mechanism for driving the traveling mechanism to move horizontally. The third driving mechanism drives the hopper cavity to move horizontally and laterally. On the main frame, there is a bracket, and the bracket includes a first guide rail for the traveling mechanism to move.

4. The material distribution head according to claim 3, characterized in that, The bagging device further includes a lifting device for driving the first material placement table to lift.

5. The material distribution head according to claim 4, characterized in that, The lifting device includes a lifting guide rod and a fourth driving device for driving the lifting guide rod to lift. The lifting guide rod is fixedly connected to the outer shell of the rotating mechanism.

6. The material distribution head according to claim 1, characterized in that, The belt conveying platform is driven by a seventh driving device to move back and forth, and the seventh driving device is a stepping motor.

7. The material distribution head according to claim 1, characterized in that, The first material placement table includes two flap plates that can be flipped downward to both sides and an eighth driving device for driving the rotation of the flap plates.

8. The material distribution head according to claim 1, wherein, the first material placement table includes two flat plate support devices that can move horizontally closer to or away from each other and a ninth driving device for driving the horizontal movement of the flat plate support devices.

9. The material distribution head according to claim 1, wherein, the two material transmission devices are symmetrically distributed with respect to the center line of the position where the feeding port is located, and the two bagging devices are symmetrically distributed with respect to the center line of the position where the feeding port is located.

10. A loading machine includes a material distribution head, wherein, the material distribution head is the material distribution head according to any one of claims 1-9.

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