Bag opening device and feeding system

Abstract

The application provides a bag supporting device and a feeding system, and belongs to the technical field of feed production. The bag supporting device is arranged on a pouring plate. One end of the pouring plate is rotatably arranged, and the rotating axis is horizontal. The bag supporting device comprises a positioning assembly, a bag supporting mechanism and the like. The positioning assembly comprises a pair of limiting plates which are vertically arranged on the top surface of the pouring plate and are arranged to move synchronously and oppositely. Coaxial through holes are formed in the limiting plates. The bag supporting mechanism comprises two bag breaking rods which are slidably arranged in the through holes and are arranged to move synchronously and oppositely. The inner end of each bag breaking rod is formed in a sharp cone. Two symmetrically arranged strip-shaped grooves are arranged on the bag breaking rod. A bag beating rod is rotatably connected to one end of each strip-shaped groove. First torsional springs are arranged at the rotating connection positions. The feeding system comprises a pouring mechanism and the bag supporting device. The pouring mechanism comprises a horizontal bearing plate. One end of the pouring plate is rotatably arranged on the top surface of the bearing plate. The bag supporting device and the feeding system can smoothly discharge materials, avoid jamming, and stably discharge empty bags.

Description

Technical Field

[0001] This application belongs to the field of feed production technology, and in particular relates to a bag-supporting device and a feeding system. Background Technology

[0002] In the production of pig feed, fish meal, soybean meal, and other pelleted raw materials packaged in square woven bags need to be unpacked and fed into the mixing tank. The feeding process is a preliminary step in the feed mixing process. After the feed is fed, the materials are fully mixed with other components before entering subsequent processes such as pelleting to produce finished feed.

[0003] In the existing feed production process, the above-mentioned feeding process still mainly relies on manual labor. Operators need to use knives to cut open the woven bags and then pour the materials into the bucket. This manual feeding method is not only labor-intensive and has a low degree of automation, but also has low overall feeding efficiency.

[0004] To address the low efficiency of manual material handling, some automation upgrades have introduced robotic arms to assist in the process. For example, a robotic arm can grab a whole bag of raw material and move it to a pre-set bag-breaking cone above the mixing tank. The robotic arm's thrust then punctures the woven bag against the cone, allowing the material to be discharged. Compared to manual methods, this approach improves efficiency to some extent. However, in practical applications, it has been found that the rapid outflow of material creates a partial vacuum inside the woven bag, causing it to deflate and adhere tightly to the bag-breaking cone. This can trap material in the bag's folds or corners, hindering smooth discharge and resulting in material residue and waste during the process. Furthermore, empty bags need to be picked up by the robotic arm and placed at a designated collection point, followed by an empty return stroke to the new bag grabbing point, extending the feeding cycle time. Additionally, these operations require various vision positioning systems and end effectors, leading to higher equipment costs. Summary of the Invention

[0005] To address the shortcomings of the prior art, this application provides a bag-supporting device and a feeding system that can smoothly discharge materials, avoid jamming, and achieve stable discharge of empty bags.

[0006] To achieve the above objectives, the present invention employs the following techniques: A bag-supporting device is mounted on a material-discharging plate, one end of which is rotatably mounted with its axis of rotation horizontal. The device includes: The positioning component includes a pair of limiting plates that are vertically disposed on the top surface of the pouring plate and move synchronously towards each other, and have coaxial through holes thereon. The bag-supporting mechanism includes two bag-breaking rods that are slidably fitted into two through holes and are arranged synchronously and facing each other. The inner end of the bag-breaking rod forms a pointed cone. The bag-breaking rod is provided with two symmetrically arranged strip grooves. One end of each strip groove is rotatably connected to a bag-beating rod, and a first torsion spring is provided at each rotatable connection. When the two bag-breaking rods move closer to each other until the rotating connection of the bag-beating rod moves out of the through hole, the first torsion spring is used to spread the bag-beating rod to a predetermined angle with the bag-breaking rod. When the two bag-breaking rods separate back to back and enter the through hole at the rotating connection of the bag-beating rod, the inner edge of the through hole is used to push the bag-beating rod back into the strip groove to enter the through hole.

[0007] Furthermore, both bag-breaking rods rotate and engage with corresponding through holes along their own axes. The pouring plate is provided with a first driving part, including sub-plates extending outward from both sides of the pouring plate. Each sub-plate is supported above a strip seat arranged along the length of the pouring plate. A crossbar is slidably engaged with the bottom surface of the strip seat in the same direction. The bottom surface of the crossbar is rotatably connected to one end of a strip plate, and its rotation axis is arranged along the width of the pouring plate. The strip plate is always located between the crossbar and the bag-breaking rod. A second torsion spring is provided at the rotational connection of the strip plate. When the second torsion spring is in its natural state, the projection of the bag-breaking rod along the length of the pouring plate is located on the strip plate. A first linear mechanism is provided on the bottom surface of the pouring plate to drive the two crossbars to move synchronously.

[0008] Furthermore, the movable end of the first linear mechanism is connected to the bottom of a U-shaped frame along the length of the pouring plate, and the upper ends of the two arms of the U-shaped frame are respectively connected to one end of the two crossbars.

[0009] Furthermore, the side of the strip facing the bag-breaking rod is provided with anti-slip strips parallel to its length.

[0010] A feeding system includes a tilting mechanism and a bag-supporting device as described above; the tilting mechanism includes a horizontal support plate, with one end of the tilting plate rotatably disposed on the top surface of the support plate.

[0011] Furthermore, the feeding system also includes a bag cutting assembly, which includes a limiting rod mounted above the top surface of one end of the pouring plate and perpendicular to the limiting plate; a cutter is mounted on the outer side of one end of the pouring plate and is movable along its width direction, the position of the cutter matching the limiting rod.

[0012] Furthermore, one end of one of the limiting plates is recessed inward along its own length to form a receiving groove, and the receiving groove is spaced apart from the corresponding through hole; the feeding system also includes a clamping component disposed on the outside of the limiting plate corresponding to the receiving groove and movable along the width direction of the pouring plate; when the pouring plate is horizontal, the clamping part of the clamping component is used to pass through the receiving groove and enter the inside of the limiting plate.

[0013] The beneficial effects of this invention are as follows: 1. The bag-supporting device, through the coordinated cooperation of the positioning component, the bag-supporting mechanism, the tilting mechanism, the bag-cutting component, and the clamping component in the above-mentioned feeding system, realizes the entire process operation from raw material bag conveying, positioning, puncturing, bag cutting, material discharge to empty bag discharge. It has a high degree of automation and greatly improves the material feeding efficiency. 2. By setting up a bag-supporting mechanism, during the material discharge process, the bag-breaking rod drives the bag-beating rod to rotate, periodically opening and beating the deflated and softened bag wall, so that the material attached to the inner wall of the bag or stuck in the folds will automatically fall off under the action of opening and beating vibration; compared with the solution of unloading by gravity alone or simply puncturing by a robotic arm, the smoothness of material discharge is significantly improved, the material residue in the woven bag is effectively reduced, and the waste of raw materials is effectively avoided; 3. In the feeding system, the bag-beating rod not only opens and beats the inner wall of the woven bag to complete the discharge, but also, through the back separation of the bag-breaking rod and in conjunction with the first torsion spring, tightens and fixes the woven bag, so that the clamping component can accurately and stably clamp it. This realizes the discharge method of tightening first and then clamping. Moreover, the whole process is smooth and compact, with high efficiency in empty bag discharge, which further improves the overall feeding efficiency. At the same time, it effectively solves the problem that empty woven bags are difficult to clamp stably due to their material characteristics. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the main structure of the feeding device in the embodiment of this application.

[0015] Figure 2 yes Figure 1 A magnified view of part A in the middle.

[0016] Figure 3 This is a cross-sectional view of the feeding device in this application embodiment when the distance between the two limiting plates is greater than the width of the woven bag and the pointed cone is located inside the through hole.

[0017] Figure 4 yes Figure 3 A magnified view of part B in the middle.

[0018] Figure 5 This application provides a schematic diagram of the structure at the bottom of the pouring plate in an embodiment.

[0019] Figure 6 yes Figure 5 A magnified view of a portion of C.

[0020] Figure 7 This is a cross-sectional view of the feeding device in the embodiment of this application when the two limiting plates are brought close together to abut the side of the woven bag.

[0021] Figure 8 yes Figure 7 A magnified view of a portion of D.

[0022] Figure 9 This is a diagram showing the state of the feeding device in the embodiment of this application when the pouring plate reaches the pouring angle and the two bag-breaking rods move closer together until the bag-beating rod opens.

[0023] Figure 10 This is a cross-sectional view of the feeding device in the embodiment of this application when the two bag-breaking rods separate in opposite directions.

[0024] Figure 11 yes Figure 10 A magnified view of part E in the middle.

[0025] Reference numerals: 1-Tilting mechanism, 11-Bearing plate, 12-Pour plate, 13-Guide plate, 14-Rotating seat, 15-Rotating shaft, 2-Positioning assembly, 21-Limiting plate, 22-Through hole, 23-Receiving groove, 24-Limiting rod, 25-Guide sleeve, 3-Bag-tapping mechanism, 31-Bag-breaking rod, 32-Bag-tapping rod, 33-Pointed cone, 34-Strip groove, 35-First torsion spring, 4-Bag-cutting assembly, 41-Cutter, 42-Third linear mechanism, 5-Clamping assembly, 51-Strip clamping plate, 52-Second linear mechanism, 53-Pneumatic 6-First drive unit, 61-Secondary plate, 62-Strip seat, 63-Crossbar, 64-Strip plate, 65-Second torsion spring, 66-First linear mechanism, 67-U-shaped frame, 68-Anti-slip strip, 7-Second drive unit, 71-Mounting bracket, 72-Guide rod, 73-Double lead screw, 74-First motor, 8-Third drive unit, 81-Support plate, 82-Strip hole, 83-Vertical rod, 84-Rack, 85-Second motor, 86-Gear, 87-Rack seat, 9-Fourth drive unit, 91-Third motor, 92-Reducer. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the implementation methods of the present invention will be described in detail below with reference to the accompanying drawings. However, the embodiments described in this invention are only some embodiments of the present invention, and not all embodiments.

[0027] Example 1 This application provides a bag-supporting device, such as... Figures 1-4 As shown, the bag-forming device is mounted on a pouring plate 12, one end of which is rotatably mounted with its rotation axis horizontal. The bag-supporting device includes a positioning component 2 and a bag-supporting mechanism 3.

[0028] Among them, such as Figures 1-4As shown, the positioning component 2 includes a pair of limiting plates 21 vertically disposed on the top surface of the pouring plate 12. The length direction of the two limiting plates 21 is consistent with the length direction of the pouring plate 12. The two limiting plates 21 can move synchronously towards each other or away from each other to position the material bag in the width direction. Coaxial through holes 22 are provided on the sides of the two limiting plates 21. Guide sleeves 25 are vertically disposed on the opposite sides of the two limiting plates 21. The inner diameter of the guide sleeves 25 is equal to the diameter of the through holes 22. One end of the guide sleeves 25 is coaxially connected to the corresponding through holes 22.

[0029] like Figure 3 and Figure 4 As shown, the bag-supporting mechanism 3 includes two bag-breaking rods 31, which are slidably fitted into two through holes 22 and a guide sleeve 25, and can move synchronously towards or away from each other. The inner end of the bag-breaking rod 31, i.e., the end facing the opposite bag-breaking rod 31, forms a pointed cone 33 for piercing the woven bag. On the rod body of the bag-breaking rod 31 near the pointed cone 33, two strip-shaped grooves 34 are provided, extending along their length and symmetrically arranged about their own axis. The end of each strip-shaped groove 34 away from the pointed cone 33 is rotatably connected to a bag-beating rod 32, and a first torsion spring 35 is provided at the rotatable connection. The first torsion spring 35 has a tendency to push the bag-beating rod 32 outward to form a predetermined angle with the bag-breaking rod 31 in its natural state.

[0030] The function of the guide sleeve 25 is to provide a space for the bag-breaking rod 31 and the bag-slapping rod 32 when the bag-breaking rod 31 remains stationary and the two limiting plates 21 are brought closer together, so that they can still be retracted into the guide sleeve 25 and the bag-slapping rod 32 is kept in the strip groove 34.

[0031] When applying, in the initial state, such as Figures 1-4 As shown, the two bag-breaking rods 31 are in a back-to-back separated position, and the pointed cone 33 is retracted into the guide sleeve 25. The bag-beating rod 32, under the pushing action of the inner edge of the through hole 22, retracts into the strip groove 34, and the first torsion spring 35 is in an energy-storing state. Figures 9-11 As shown, after the material bag completes its width positioning and tilts into place, the two bag-breaking rods 31 are driven to move closer to each other synchronously. The pointed cone 33 extends from the guide sleeve 25 and the through hole 22, piercing the side wall of the woven bag and entering its interior. At this time, the bag-beating rod 32 is still constrained by the through hole 22 and remains in a retracted state, and can smoothly enter the woven bag along with the bag-breaking rod 31. As the two bag-breaking rods 31 continue to move closer, when the rotating connection of the bag-beating rod 32 completely moves out of the through hole 22 and enters the interior of the woven bag, if the material inside the bag has not been completely discharged, the supporting effect of the material can temporarily inhibit the opening of the bag-beating rod 32. When the material gradually flows out from the cut at the bottom of the woven bag and the support inside the bag disappears, the elastic force of the first torsion spring 35 overcomes the weight of the bag-beating rod 32 itself and opens the bag-beating rod 32 to a predetermined angle with the bag-breaking rod 31. The opened bag-beating rod 32 supports the deflated woven bag from the inside, releasing the bag body from the adhesion of the bag-breaking rod 31.

[0032] At this point, if the bag-breaking rod 31 rotates around its own axis, the expanded bag-beating rod 32 will rotate and beat inside the woven bag, periodically expanding and beating the bag wall, causing the material attached to or stuck in the folds of the bag wall to vibrate and fall off, and be smoothly discharged from the bottom cut. Through the dual action of the bag-breaking rod 32 in expanding and beating the bag, the feeding efficiency is significantly improved and the material residue is effectively reduced.

[0033] After the material is emptied, the empty bag needs to be removed. At this time, the two bag-breaking rods 31 begin to separate in opposite directions. The bag-slapping rod 32, in its open state, hooks onto the edge of the puncture hole in the woven bag. As the bag-breaking rods 31 separate, the woven bag is pulled taut to both sides, making the puncture point flat and fixed, so as to facilitate the subsequent discharge of the empty bag. The two bag-breaking rods 31 continue to separate in opposite directions, and the bag-slapping rod 32 is pulled out from inside the woven bag. As the bag-slapping rod 32 rotates, its connection approaches and enters the guide sleeve 25 and the through hole 22. The inner edge of the through hole 22 pushes against the bag-slapping rod 32, overcoming the elastic force of the first torsion spring 35, and pulls it back into the strip groove 34, finally retracting completely into the guide sleeve 25. At this point, the bag-supporting device returns to its initial state and is ready for the next cycle.

[0034] Example 2 As a further implementation of the above embodiment 1, such as Figure 2 , Figure 3 , Figure 4 , Figure 9 As shown, in this embodiment, in addition to being able to slide axially, the two bag-breaking rods 31 are also rotatably fitted into the corresponding through holes 22 and guide sleeves 25 along their own axes to realize the rotating and striking function of the bag-breaking rods 32. In order to drive the bag-breaking rods 31 to rotate, the pouring plate 12 is provided with a first driving part 6.

[0035] Specifically, such as Figure 1 , Figure 2 , Figure 4 As shown, the first drive unit 6 includes sub-plates 61 extending outward from both sides of the pouring plate 12. Each sub-plate 61 is supported by a mounting bracket 71 with a strip seat 62 arranged along the length of the pouring plate 12. A crossbar 63 is slidably fitted on the bottom surface of the strip seat 62 in the same direction. One end of a strip plate 64 is rotatably connected to the bottom surface of the crossbar 63. Its rotation axis is arranged along the width of the pouring plate 12. The strip plate 64 is always located between the crossbar 63 and the bag-breaking rod 31. A second torsion spring 65 is provided at the rotatable connection of the strip plate 64 to provide a restoring elastic force for the strip plate 64.

[0036] Preferred, such as Figure 1 and Figure 5As shown, one end of the two crossbars 63 is connected to a guide plate 13 arranged along the width direction of the pouring plate 12. The guide plate 13 forms a preset angle with the pouring plate 12, and one side edge of the guide plate 13 is located below the pouring plate 12. The guide plate 13 is used to block the material and change its flow direction during the material discharge process, and guide the material to fall into the container below.

[0037] like Figure 2 and Figure 4 As shown, when the second torsion spring 65 is in its natural state, the strip plate 64 hangs down naturally, causing the projection of the bag-breaking rod 31 along the length of the pouring plate 12 to fall on the strip plate 64. That is, when the crossbar 63 moves along the length of the pouring plate 12, the strip plate 64 will contact the bag-breaking rod 31. Furthermore, to increase friction, the side of the strip plate 64 facing the bag-breaking rod 31 is provided with anti-slip strips 68 parallel to the length direction.

[0038] Specifically, Figure 1 and Figure 5 As shown, the bottom surface of the pouring plate 12 is provided with a first linear mechanism 66, which is used to drive the two crossbars 63 to move synchronously. The movable end of the first linear mechanism 66 faces the length direction of the pouring plate 12 and is connected to the bottom of a U-shaped frame 67. The two arms of the U-shaped frame 67 are located on both sides of the pouring plate 12 and extend upward, and their upper ends are respectively connected to the ends of the two crossbars 63 away from the guide plate 13.

[0039] When applying, such as Figure 9 As shown, when the pouring plate 12 is tilted to the pouring angle, the guide plate 13 is in the initial position, that is, close to the discharge end of the material bag. At this time, the strip plate 64 is separated from the bag breaking rod 31, the second torsion spring 65 is in the natural state, and the material will first impact the guide plate 13 after flowing out from the cut at the bottom of the material bag. After being guided by the guide plate 13, the flow direction is changed and it falls into the mixing tank.

[0040] like Figure 2 , Figure 4 , Figure 9 As shown, as material continues to be discharged, the first linear mechanism 66 drives the crossbar 63 to move downward along the length of the pouring plate 12. The guide plate 13 moves together with the crossbar 63, gradually moving away from the end of the pouring plate 12. The impact position of the material flow changes continuously, and the falling position moves radially along the mixing drum, avoiding the material from accumulating in the same position. This effectively prevents dust problems caused by excessive local accumulation and makes the material more evenly distributed in the mixing drum.

[0041] Meanwhile, the crossbar 63 drives the strip plate 64 to move. Initially, the strip plate 64 is separated from the bag-breaking rod 31. As it moves, the strip plate 64 gradually approaches the end of the bag-breaking rod 31 away from the cone 33. When the strip plate 64 contacts the bag-breaking rod 31, the anti-slip strip 68 on it abuts against the rod body of the bag-breaking rod 31. As the crossbar 63 continues to move, the strip plate 64 rotates relative to the crossbar 63 and retracts towards the crossbar 63. The elastic force of the second torsion spring 65 presses the anti-slip strip 68 tightly against the bag-breaking rod 31, generating sufficient friction. The linear movement of the strip plate 64 drives the bag-breaking rod 31 to rotate around its own axis through friction, thereby causing the bag-beating rod 32 to perform intermittent opening and rotating beating actions inside the bag. The bag-supporting device, through a first drive unit 6 and its crossbar 63, simultaneously realizes the movement of the guide plate 13 and the rotation drive of the bag-breaking rod 31. It not only uses the movement of the guide plate 13 to change the material landing point and prevent local accumulation and dust, but also uses friction to drive the rotation of the bag-breaking rod 31 to complete the bag-slapping and material-cleaning action. The drive method is simple and reliable, the structure is compact, and the cost is effectively reduced.

[0042] It should be noted that the guide plate 13 is located at the downward end of the tilting plate 12, while the movable end of the first linear mechanism 66 faces the other end of the tilting plate 12, that is, the tilted end.

[0043] Example 3 As a further implementation of embodiments 1-2 above, this embodiment specifically defines the driving method of the positioning component 2. For example... Figures 1-3 As shown, a second driving part 7 is provided on the pouring plate 12. The second driving part 7 includes a mounting bracket 71 provided on the sub-plate 61, and two shaped seats 62 are respectively fixed on the corresponding mounting bracket 71. A pair of guide rods 72 arranged along the width direction of the pouring plate 12 are provided between the two mounting brackets 71. Two limiting plates 21 slide through the guide rods 72. The guide rods 72 provide guidance and support for the movement of the limiting plates 21.

[0044] like Figures 1-3 As shown, a bidirectional lead screw 73, parallel to the two guide rods 72, is also mounted between the two mounting brackets 71. The bidirectional lead screw 73 has two threaded sections with opposite directions of rotation. Two limiting plates 21 are respectively threaded onto the two opposite threaded sections of the bidirectional lead screw 73. A first motor 74 is mounted on the top surface of a strip-shaped seat 62, and the drive end of the first motor 74 is coaxially connected to one end of the bidirectional lead screw 73. When the first motor 74 drives the bidirectional lead screw 73 to rotate forward or backward, due to the opposite direction of rotation of the threads, the two limiting plates 21 move towards each other or separate away from each other synchronously along the guide rods 72 under the threaded drive. This driving method has a compact structure, high synchronization accuracy, and can accurately adjust the distance between the two limiting plates 21 to accommodate material bags of different widths.

[0045] Example 4 As a further implementation of embodiments 1 to 3 above, this embodiment specifically defines the driving method for the axial movement of the bag-breaking rod 31. For example... Figure 1 , Figure 3 , Figure 5 As shown, a third driving part 8 is provided on the pouring plate 12. The third driving part 8 includes a support plate 81 formed by extending outward from one side of two auxiliary plates 61. A strip-shaped hole 82 is opened through the top surface of adjacent auxiliary plates 61 and support plates 81, and the strip-shaped hole 82 is arranged along the width direction of the pouring plate 12. The far end of the two bag-breaking rods 31, that is, the end away from the pointed cone 33, is connected to a vertical rod 83. The lower end of the two vertical rods 83 passes through the strip-shaped hole 82 on the corresponding side and is respectively connected to two racks 84 arranged along the width direction of the pouring plate 12 and arranged opposite to each other. The middle part of the vertical rod 83 is slidably engaged with the strip-shaped hole 82. The bottom of the pouring plate 12 is provided with two rack seats 87 arranged along its width direction. The two racks 84 are slidably engaged in the two rack seats 87 respectively. The rack seats 87 provide stable sliding support and guidance for the racks 84, ensuring that the racks 84 always maintain accurate meshing with the gears 86 during movement, thus ensuring transmission accuracy and reliability. A second motor 85 is fixedly installed below the pouring plate 12 by a bracket. The drive end of the second motor 85 is perpendicular to the pouring plate 12 and coaxially connected to a gear 86, which meshes with both racks 84 at the same time.

[0046] When the second motor 85 drives the gear 86 to rotate, the two gears 84 meshing with it move towards or away from each other along the length direction within the rack seat 87, thereby driving the two bag-breaking rods 31 to synchronously move closer together or separate away from each other via the vertical rod 83. The strip hole 82 plays a guiding and limiting role when the vertical rod 83 moves, while the rack seat 87 plays a supporting and guiding role when the racks 84 move. The two work together to ensure the stability and directional accuracy of the axial movement of the bag-breaking rods 31.

[0047] Example 5 As a further embodiment of embodiments 1-4 above, this embodiment provides a feeding system, including the bag-supporting device described in any of the above embodiments, and further including a tilting mechanism 1. Figure 1 and Figure 3 As shown, the tilting mechanism 1 includes a horizontal support plate 11, and a rotating seat 14 is provided on the top surface of the support plate 11; a rotating shaft 15 arranged along its width direction is fixed at one end of the pouring plate 12, and the rotating shaft 15 is rotatably engaged with the rotating seat 14; a fourth driving part 9 is provided on the support plate 11 for driving the rotating shaft 15 to rotate, thereby controlling the tilt angle of the pouring plate 12.

[0048] like Figure 3 and Figure 5As shown, the fourth drive unit 9 includes a third motor 91 mounted on the support plate 11. The drive end of the third motor 91 is directly or via a reducer 92 connected to the rotating shaft 15. The reducer 92 is preferably a worm gear reducer with a self-locking function. In addition to having the basic functions of speed reduction and torque increase, its self-locking characteristic can effectively prevent the pouring plate 12 from rotating unexpectedly due to gravity or material impact after it stops rotating.

[0049] Preferably, in practical applications, a roller or belt conveyor can be installed at one end of the carrying plate 11 to transport the bagged raw materials to be processed onto the horizontal pouring plate 12. Subsequently, the positioning component 2 positions the material bag in the width direction, and the pouring plate 12 tilts to allow the material bag to slide down and complete the length direction positioning. Then, the bag-breaking rod 31 of the bag-supporting mechanism 3 pierces into the bag body and expands and beats the bag wall during the discharge process to remove residual material. Throughout the process, the pouring mechanism 1 provides the function of carrying and adjusting the posture of the material bag, and works in conjunction with the bag-supporting device to complete the feeding operation.

[0050] Specifically, such as Figure 5 and Figure 6 As shown, the feeding device also includes a bag-cutting assembly 4, which includes a limiting rod 24 mounted above the top surface of one end of the pouring plate 12 and perpendicular to the limiting plate 21. When the pouring plate 12 is tilted and the material bag slides down under gravity, one end of the bag abuts against the limiting rod 24, completing the positioning in the length direction. The setting of the limiting rod 24 ensures that the woven bag is accurately positioned in the length direction on the pouring plate 12, thereby ensuring that the area to be punctured on the woven bag corresponds precisely to the position of the pointed cone 33 of the bag-breaking rod 31. Figure 5 and Figure 6 As shown, a third linear mechanism 42 is mounted on the outer side above one end of the pouring plate 12, along its width. A cutter 41 is installed on the movable end of the third linear mechanism 42, and the position of the cutter 41 matches that of the limiting rod 24. After the material bag is positioned and fixed, the third linear mechanism 42 drives the cutter 41 to move along the width of the pouring plate 12, neatly cutting one end of the woven bag to form a discharge port. The material flows out from the cut under gravity, is guided by the guide plate 13, and falls into the container below. The bag cutting assembly 4 ensures that the bag opening is regular, the opening is large, and the discharge is smooth.

[0051] Example 6 As a further implementation of the above embodiment 5, such as Figure 1 and Figure 2As shown, the feeding system also includes a clamping component 5; one end of a limiting plate 21 is recessed inward along its own length to form a receiving groove 23. The receiving groove 23 and the corresponding through hole 22 are spaced apart along the length of the limiting plate 21. In the height direction perpendicular to the top surface of the pouring plate 12, the through hole 22 is located between the extension plane of the upper inner wall and the extension plane of the lower inner wall of the receiving groove 23, so as to ensure that the puncture point of the woven bag pulled by the bag-beating rod 32 can be accurately located within the opening range of the receiving groove 23.

[0052] like Figure 1 and Figure 2 As shown, the clamping assembly 5 is located on the outside of the limiting plate 21 with the receiving groove 23 and can move along the width direction of the pouring plate 12; the clamping part of the clamping assembly 5 is a pair of horizontal and vertically arranged strip clamps 51, the two strip clamps 51 are moved towards each other synchronously, and their length direction is towards the width direction of the pouring plate 12; the clamping assembly 5 is driven by the second linear mechanism 52 to reciprocate along the width direction of the pouring plate 12, and the pneumatic gripper 53 drives the opening and closing of the two strip clamps 51.

[0053] Furthermore, the installation method of the second linear mechanism 52 can be selected according to actual needs. Preferably, the second linear mechanism 52 can be directly mounted on the pouring plate 12 as the mounting base and move synchronously with the pouring plate 12. This installation method ensures that the relative positional relationship between the clamping component 5 and the pouring plate 12 remains constant, and the clamping component 5 can maintain accurate alignment with the receiving groove 23 regardless of whether the pouring plate 12 is tilted or horizontal. Alternatively, the second linear mechanism 52 can also be mounted on the support plate 11. When the pouring plate 12 rotates to a horizontal state, the clamping part of the clamping component 5 automatically aligns and matches with the receiving groove 23. This installation method separates the load of the second linear mechanism 52 from the movement of the tilting mechanism 1, reduces the load weight of the pouring plate 12, and helps to reduce the tilting drive power. The second linear mechanism 52 can preferably be a linear module, which has the advantages of compact structure, small space occupation, and smooth operation, and can accurately control the moving position of the clamping component 5.

[0054] When applying, such as Figure 8 , Figure 10 , Figure 11As shown, after the material is emptied and the discharge plate 12 rotates to a horizontal position, the two bag-breaking rods 31 separate in opposite directions. The spread bag-slapping rod 32 pulls the woven bag to both sides and fixes its posture. At this time, the puncture point of the woven bag is exactly located at the inner opening of the receiving groove 23. The second linear mechanism 52 drives the clamping assembly 5 to move towards the receiving groove 23. The two strip clamps 51 pass through the receiving groove 23 and enter the inner side of the limiting plate 21, accurately clamping the woven bag with its posture fixed. After clamping, the bag-breaking rods 31 continue to separate, and the bag-slapping rod 32 is completely pulled out of the bag and retracted back into the strip groove 34. Subsequently, the clamping assembly 5 clamps the empty woven bag, moves it out of the area of ​​the discharge plate 12, and releases it, completing the automatic discharge of the empty bag. The feeding system, through the coordinated operation of the bag-supporting mechanism 3 and the clamping component 5, utilizes the bag-slapping rod 32 to actively tighten, flatten, and fix the soft, amorphous empty woven bags during the separation process, thus creating favorable gripping conditions for the clamping component 5. This effectively solves the problem that empty woven bags are difficult to be stably gripped by suction cups or ordinary grippers due to their breathable material and irregular shape, and achieves reliable automatic discharge of empty bags.

[0055] The above description is only a preferred embodiment of this application and is not intended to limit this application. Obviously, those skilled in the art can make various modifications and variations to this application without departing from the spirit and scope of this application.

Claims

1. A bag-supporting device, disposed on a pouring plate (12), one end of the pouring plate (12) being rotatably mounted, and the axis of rotation being horizontal, characterized in that, The device includes: The positioning component (2) includes a pair of limiting plates (21) that are vertically disposed on the top surface of the pouring plate (12) and move synchronously towards each other, and have coaxial through holes (22) on them. The bag-supporting mechanism (3) includes two bag-breaking rods (31) that are slidably fitted into two through holes (22) and are arranged in opposite directions. The inner end of the bag-breaking rod (31) forms a pointed cone (33). The bag-breaking rod (31) is provided with two symmetrically arranged strip grooves (34). One end of each strip groove (34) is rotatably connected to a bag-slapping rod (32), and a first torsion spring (35) is provided at each rotatable connection. When the two bag-breaking rods (31) move closer to each other and move out of the through hole (22) at the rotating connection of the bag-slapping rod (32), the first torsion spring (35) is used to spread the bag-slapping rod (32) to a predetermined angle with the bag-breaking rod (31); When the two bag-breaking rods (31) separate back to back and enter the through hole (22) at the rotating connection of the bag-breaking rod (32), the inner edge of the through hole (22) is used to push the bag-breaking rod (32) back into the strip groove (34) to enter the through hole (22).

2. The bag-supporting device according to claim 2, characterized in that, Both bag-breaking rods (32) rotate around their own axes and fit into corresponding through holes (22). The pouring plate (12) is provided with a first driving part (6), including sub-plates (61) extending outward from both sides of the pouring plate (12). Each sub-plate (61) is supported above a strip seat (62) arranged along the length of the pouring plate (12). A crossbar (63) is slidably fitted on the bottom surface of the strip seat (62). The bottom surface of the crossbar (63) is rotatably connected to one end of a strip plate (64). The rotation axis is arranged along the width direction of the pouring plate (12); the strip plate (64) is always located between the cross bar (63) and the bag breaking bar (31); a second torsion spring (65) is provided at the rotation connection of the strip plate (64); when the second torsion spring (65) is in its natural state, the projection of the bag breaking bar (31) along the length direction of the pouring plate (12) is located on the strip plate (64); a first linear mechanism (66) is provided on the bottom surface of the pouring plate (12) to drive the two cross bars (63) to move synchronously.

3. The bag-supporting device according to claim 2, characterized in that, The movable end of the first linear mechanism (66) is along the length of the pouring plate (12) and connected to the bottom of a U-shaped frame (67). The upper ends of the two arms of the U-shaped frame (67) are respectively connected to one end of the two crossbars (63).

4. A bag-supporting device according to claim 2, characterized in that, The pouring plate (12) is provided with a second drive unit (7), including mounting brackets (71) respectively on two sub-plates (61), two shaped seats (62) respectively fixed on the corresponding mounting brackets (71), and a pair of guide rods (72) arranged above the pouring plate (12) and along its width direction are provided between the two mounting brackets (71); two limiting plates (21) slide through the guide rods (72); a bidirectional screw (73) parallel to the two guide rods (72) is also provided between the two mounting brackets (71), and the two limiting plates (21) are respectively threaded through and threaded to the two opposite ends of the bidirectional screw (73); a first motor (74) is provided on the top surface of one of the shaped seats (62), and its drive end is coaxially connected to one end of the bidirectional screw (73).

5. A bag-supporting device according to claim 2, characterized in that, The pouring plate (12) is provided with a third drive unit (8), including a support plate (81) formed by extending outward from one side of the two sub-plates (61). A strip hole (82) is opened through the top surface of the adjacent sub-plates (61) and the support plate (81). The strip hole (82) is arranged along the width direction of the pouring plate (12). The far ends of the two bag-breaking rods (31) are connected to vertical rods (83). The lower ends of the two vertical rods (83) pass through the corresponding strip hole (82) and are respectively connected to two racks (84) arranged along the length direction of the pouring plate (12) and arranged opposite to each other. The middle part of the vertical rod (83) is slidably engaged with the strip hole (82). A second motor (85) is fixedly provided below the pouring plate (12). Its drive end is perpendicular to the pouring plate (12) and coaxially connected to a gear (86) that meshes with the two racks (84).

6. A bag-supporting device according to claim 2, characterized in that, The side of the strip plate (64) facing the bag-breaking rod (31) is provided with anti-slip strips (68) parallel to its length.

7. A feeding system, characterized in that, It includes a tilting mechanism (1) and a bag-supporting device as described in any one of claims 1 to 6; the tilting mechanism (1) includes a horizontal support plate (11) and a material pouring plate (12) is rotatably disposed on the top surface of the support plate (11).

8. A feeding system according to claim 7, characterized in that, The feeding system also includes a bag cutting assembly (4), which includes a limiting rod (24) mounted above the top surface of one end of the pouring plate (12) and perpendicular to the limiting plate (21); a cutter (41) is mounted on the outer side of one end of the pouring plate (12) and is movable along its width direction, and the position of the cutter (41) matches the limiting rod (24).

9. A feeding system according to claim 7, characterized in that, One end of one of the limiting plates (21) is recessed inward along its own length to form a receiving groove (23), and the receiving groove (23) is spaced apart from the corresponding through hole (22); the feeding system also includes a clamping component (5) disposed on the outside of the receiving groove (23) corresponding to the limiting plate (21) and movable along the width direction of the pouring plate (12); when the pouring plate (12) is horizontal, the clamping part of the clamping component (5) is used to pass through the receiving groove (23) and enter the inside of the limiting plate (21).

10. A feeding system according to claim 9, characterized in that, The clamping part of the clamping assembly (5) is a pair of horizontal and vertically arranged strip clamps (51). The two strip clamps (51) are arranged to move towards each other synchronously. The two strip clamps (51) are arranged in the width direction of the pouring plate (12) to pass through the receiving groove (23) and enter the inner side of the limiting plate (21) when the pouring plate (12) is horizontal, so as to clamp the woven bag.

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