Bagged raw material feeding and bag-cutting device

Abstract

This invention provides a bagged raw material feeding and bag-cutting device, comprising a robotic arm, a rotating base, a swing fork, a flipping mechanism, and a bag-cutting mechanism. The robotic arm is mounted on one side of the material, the rotating base is mounted on the moving end of the robotic arm, and two sets of swing forks are arranged opposite each other on the rotating base. The swing forks lift the bagged raw material and move with the robotic arm. The flipping mechanism is mounted on the rotating base, and the bag-cutting mechanism is mounted on the flipping mechanism and flips with it. The bag-cutting mechanism moves to the bottom of the bagged raw material and cuts the bottom of the bagged raw material. This bagged raw material feeding and bag-cutting device, through the integrated conveying path of the robotic arm, rotating base, swing fork, flipping mechanism, and bag-cutting mechanism, completes bag picking, flipping, bottom cutting, and unloading in one operation, significantly shortening the cycle time and reducing the equipment length. The conical rod cooperates with the rotating arm to achieve self-locking suspension, eliminating the need for additional clamps, and can quickly adapt to bags of different thicknesses, improving changeover efficiency.

Description

Technical Field

[0001] This utility model relates to the field of raw material conveying technology, and in particular to a bag-feeding and bag-splitting device for bagged raw materials. Background Technology

[0002] With the increasing demand for bulk raw materials in the chemical industry, the automated conveying and feeding of bagged raw materials has become a key link in improving production line efficiency. The traditional method of manually cutting and emptying bags is labor-intensive, generates heavy dust pollution, and is prone to material waste or safety accidents due to improper operation.

[0003] Current technologies generally employ simple mechanical clamping combined with manual bag cutting, or passive bag breaking with fixed blades on the conveyor line. Manual bag cutting still requires human intervention, has a low degree of automation, the passive bag breaking position is not adjustable, it is difficult to adapt to different bag sizes, and the blades are prone to jamming, requiring frequent maintenance. Neither of these solutions can simultaneously complete bag picking, positioning, bag cutting, and unloading in a single transfer process, resulting in limited production line cycle time, lengthy equipment layout, and difficulty in meeting the requirements for continuous and efficient feeding. Utility Model Content

[0004] The purpose of this invention is to provide a bag-feeding and bag-cutting device for packaged raw materials, so as to solve the technical problem that the existing technology requires manual bag cutting and has poor adaptability.

[0005] To achieve the above objectives, the technical solution of this utility model is implemented as follows: A bagged raw material feeding and cutting device includes a robotic arm; a rotating base fixed to the moving end of the robotic arm; two sets of swing forks rotatably disposed at the bottom of the rotating base, the swing forks being inserted into the bagged raw material and moving with the robotic arm; a flipping mechanism disposed on the upper part of the rotating base; and a cutting mechanism disposed on the flipping mechanism and flipping with the flipping mechanism, the cutting mechanism moving to the bottom of the bagged raw material and cutting open the bottom of the bagged raw material.

[0006] By adopting the above technical solution, the robotic arm can complete bag picking, flipping, bottom cutting and unloading in one transfer, eliminating intermediate transfer and positioning links, shortening cycle time and compressing equipment length.

[0007] Furthermore, the swing fork includes two vertical plates fixed to the bottom of the rotating seat, a rotating arm rotatably connected to the vertical plates, and a crossbeam fixed between the two rotating arms. A conical rod for inserting bagged raw materials is passed through the crossbeam.

[0008] By adopting the above technical solution, the bag can be automatically locked onto the conveying path by the rotation of the rotating arm after the conical rod is inserted into the bag body, without the need for additional clamps, and it is suitable for bags of different thicknesses.

[0009] Furthermore, a screw rod is screwed onto the crossbeam, which is arranged perpendicularly to the cone rod, and the end of the screw rod abuts against the cone rod to lock the cone rod from sliding.

[0010] By adopting the above technical solution, tightening the screw can quickly adjust and lock the extension length of the cone rod, ensuring consistent insertion depth and preventing the bag from slipping off during the transfer process.

[0011] Furthermore, a bag-pressing cylinder is fixed to the bottom of the rotating seat between the two sets of swing forks. The piston rod of the bag-pressing cylinder is fixedly provided with a pressure plate, and the pressure plate cooperates with the cone rod to clamp the bagged raw materials.

[0012] By adopting the above technical solution, the pressure plate and the cone rod form a clamp, which improves the suspension reliability, avoids the bag from shaking or falling off during high-speed movement, and enhances the operational stability.

[0013] Furthermore, the flipping mechanism includes a bracket fixed to the upper part of the rotating seat, a column fixedly mounted on the bracket, and a rotating plate flipped on the column. The bag-cutting mechanism is mounted on the rotating plate and flips along with the rotating plate.

[0014] By adopting the above technical solution, the rotating plate can drive the bag-cutting mechanism to switch between vertical and horizontal states, avoid the bag-picking path, and accurately reach the bottom of the bag at the unloading point, thereby improving space utilization.

[0015] Furthermore, an auxiliary rod is vertically and vertically mounted on the rotating plate, and the bag-cutting mechanism is fixed to the bottom of the auxiliary rod.

[0016] By adopting the above technical solution, the auxiliary rod can precisely adjust the bag cutting height to adapt to different bag drooping amounts, ensure consistent cutting positions, and avoid miscutting or missing cuts.

[0017] Furthermore, the bag-cutting mechanism includes a mounting plate fixed to the bottom of the auxiliary rod, a gearbox fixed to the mounting plate, and a rack slidably passing through the gearbox, with a blade fixedly provided at one end of the rack near the bagged raw material.

[0018] By adopting the above technical solution, the rack slides in a straight line to drive the blade to complete one cut, the cut is straight and the length is controllable, reducing the amount of raw material residue in the bag and reducing the amount of subsequent cleaning work.

[0019] Furthermore, a motor for driving the gearbox is fixedly mounted on the mounting plate, and the gears in the gearbox mesh with the rack to drive the blade to reciprocate.

[0020] By adopting the above technical solution, the motor drives the gear-rack pair to realize the reciprocating motion of the blade, which can cut multiple times to deal with multi-layer or thickened bags and ensure the success rate of bag breaking.

[0021] Compared with the prior art, the present invention has the following beneficial effects: The bagged raw material feeding and bag-cutting device of this utility model completes bag picking, flipping, bottom cutting and unloading in one go through an integrated transfer path of robotic arm, rotating seat, swing fork, flipping mechanism and bag-cutting mechanism, significantly shortening cycle time and compressing equipment length; the cone rod and rotating arm cooperate to achieve self-locking suspension, eliminating the need for additional clamps, and can quickly adapt to bags of different thicknesses, improving changeover efficiency; the screw locking structure ensures consistent cone rod insertion depth, preventing bag slippage during transfer and improving operational stability; the clamping structure of pressure plate and cone rod enhances bag holding force during high-speed movement, preventing shaking or falling off, and ensuring continuous operation reliability. Attached Figure Description

[0022] The accompanying drawings, which form part of this utility model, are used to provide a further understanding of this utility model. The illustrative embodiments of this utility model and their descriptions are used to explain this utility model and do not constitute an improper limitation of this utility model.

[0023] In the attached diagram: Figure 1 This is a schematic diagram of the overall structure of the bagged raw material feeding and bag-splitting device described in an embodiment of the present invention; Figure 2 This is a diagram showing the bag-cutting mechanism in an embodiment of the present invention. Figure 3 This is a schematic diagram of the swing fork portion described in an embodiment of the present utility model; Figure 4 This is a schematic diagram of the flipping mechanism described in an embodiment of the present utility model; Figure 5 This is a schematic diagram of the bag-cutting mechanism described in an embodiment of the present invention.

[0024] Explanation of reference numerals in the attached figures: 1. Robotic arm; 2. Rotating seat; 3. Swing fork; 301. Vertical plate; 302. Rotating arm; 303. Crossbeam; 304. Conical rod; 305. Screw rod; 4. Bag-pressing cylinder; 5. Pressure plate; 6. Tilting mechanism; 601. Support; 602. Column; 603. Rotating plate; 604. Auxiliary rod; 7. Bag-cutting mechanism; 701. Mounting plate; 702. Gearbox; 703. Rack; 704. Blade; 705. Motor. Detailed Implementation

[0025] It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0026] In the description of this utility model, it should be noted that if terms such as "upper," "lower," "inner," or "back" appear, indicating orientation or positional relationship, they are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, if terms such as "first" or "second" appear, they are also used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0027] Furthermore, in the description of this utility model, unless otherwise explicitly defined, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model in light of the specific circumstances.

[0028] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0029] This embodiment relates to a bagged raw material feeding and bag-splitting device. In terms of overall structure, as follows... Figure 1 and Figure 2 As shown, it includes a robotic arm 1, a rotating seat 2, a swing fork 3, a flipping mechanism 6, and a bag-cutting mechanism 7.

[0030] The robotic arm 1 is installed on one side of the material, the rotating seat 2 is installed on the moving end of the robotic arm 1, there are two sets of swing forks 3, which are arranged opposite each other on the rotating seat 2. The swing forks 3 lift the bagged raw material and move with the robotic arm 1. The flipping mechanism 6 is installed on the rotating seat 2, the bag-cutting mechanism 7 is installed on the flipping mechanism 6 and flips with the flipping mechanism 6. The bag-cutting mechanism 7 moves to the bottom of the bagged raw material and cuts the bottom of the bagged raw material open.

[0031] It is worth mentioning that the robotic arm 1 is mounted on the workbench and can be a three-axis robotic arm 1. This robotic arm 1 is a common conveying device in the existing technology, and will not be described in detail here. The rotating seat 2 is fixedly mounted on the tail end of the robotic arm 1, that is, the rotating seat 2 can move with the robotic arm 1. The swing fork 3 can swing at the bottom of the rotating seat 2, with a maximum swing angle of 90°, that is, from vertical to horizontal. During operation, the rotating seat 2 moves to the bottom of the bagged raw material. At this time, the swing fork 3 is vertically downward and directly inserted into the bagged raw material. Then the swing fork 3 swings horizontally, at which time the swing fork 3 is horizontally located inside the bag. The movement of the robotic arm 1 can move the bagged raw material. The flipping mechanism 6 drives the bag-cutting mechanism 7 to flip to the bottom of the bagged raw material. The bag-cutting mechanism 7 cuts open the bag. This setting facilitates the discharge of the raw material in the bag and improves the automation of the equipment.

[0032] Based on the above overall introduction, this embodiment presents an exemplary structure of the bagged raw material feeding and bag-splitting device, such as... Figure 3 As shown, the swing fork 3 includes two vertical plates 301 fixedly mounted at the bottom of the rotating seat 2, a rotating arm 302 rotatably mounted on the vertical plates 301, and a crossbeam 303 fixedly mounted between the two rotating arms 302. A cone rod 304 for inserting into the bagged raw material is passed through the crossbeam 303. It should be noted that multiple cone rods 304 are arranged on the crossbeam 303. The vertical plate 301 is used to allow the rotating arm 302 to rotate. When the rotating arm 302 rotates, it drives the crossbeam 303 and cone rods 304 to flip. The cone rods 304 can slide on the crossbeam 303. Connecting plates are provided on the multiple crossbeams 303. Screws 305 are screwed onto the crossbeams 303. The screws 305 and cone rods 304 are arranged perpendicularly and can lock the cone rods 304 together. The purpose of this arrangement is to ensure that the cone rods 304 can be inserted into bags of different thicknesses. When the cone rods 304 are inserted into the bags, the rotating arm 302 rotates to the horizontal direction. When the robotic arm 1 moves, it can lift the bags, thereby realizing movement. A hydraulic cylinder is rotatably installed on the vertical plate 301. The piston rod of the hydraulic cylinder is connected to the rotating arm 302. This arrangement facilitates the control of the rotation of the rotating arm 302.

[0033] As a preferred option, such as Figure 2 As shown, in this embodiment, a bag-pressing cylinder 4 is provided between the two sets of swing forks 3. A pressure plate 5 is fixedly provided at the drive end of the bag-pressing cylinder 4. Specifically, the bag-pressing cylinder 4 is installed at the bottom of the rotating seat 2. When the swing fork 3 lifts the bagged material, to prevent the bagged material from falling off the cone rod 304, the bag-pressing cylinder 4 pushes the pressure plate 5 to contact the bagged material. That is, the pressure plate 5 and the cone rod 304 clamp the bagged material. This arrangement improves the strength when the bagged material is lifted. The pressure plate 5 is installed on the piston rod of the bag-pressing cylinder 4 to ensure that the pressure plate 5 can contact the bagged material.

[0034] As a preferred implementation method, such as Figure 4As shown, the flipping mechanism 6 in this embodiment includes a bracket 601 fixedly mounted on the upper part of the rotating seat 2, a rotating plate 603 flipped on the bracket 601, an auxiliary rod 604 slidably mounted on the rotating plate 603, and a bag-cutting mechanism 7 mounted on the auxiliary rod 604. It should be noted that a column 602 is mounted on the bracket 601, and the rotating plate 603 is flipped onto the column 602. A hydraulic cylinder is rotatably mounted on the bracket 601, and the piston rod of the hydraulic cylinder is connected to the rotating shaft of the rotating plate 603. This arrangement facilitates control of the flipping of the rotating plate 603. When the rotating plate 603 flips to be parallel to the rotating seat 2, the bag-cutting mechanism 7 is in a vertical state and located on one side of the swing fork 3. This arrangement facilitates the swing fork 3 in lifting the bagged material without being affected by the bag-cutting mechanism 7. When the bagged material is lifted to a designated position, the rotating plate 603 flips to be perpendicular to the rotating seat 2. At this time, the bag-cutting mechanism 7 is in a horizontal state and located at the bottom of the bagged material. Through the movement of the bag-cutting mechanism 7, the bagged material can be cut open, thereby improving the automation of the equipment.

[0035] In addition, a hydraulic cylinder is fixedly installed on the rotating plate 603. The hydraulic cylinder pushes the auxiliary rod 604 to slide, and the auxiliary rod 604 drives the bag-cutting mechanism 7 to rise and fall. This arrangement ensures that the bag-cutting mechanism 7 is in contact with the bagged raw material and can cut the bagged raw material. When not needed, it can be retracted close to the rotating seat 2 to improve space utilization and reduce space occupation. When the rotating plate 603 is flipped to a state perpendicular to the rotating seat 2, the auxiliary rod 604 can be lowered, driving the bag-cutting mechanism 7 to fall until it is located at the bottom of the bagged raw material, and the bagged raw material can be cut.

[0036] As a preferred implementation method, such as Figure 5 As shown, the bag-cutting mechanism 7 of this embodiment includes a mounting plate 701 fixedly mounted at the bottom of the auxiliary rod 604, a gearbox 702 fixedly mounted on the mounting plate 701, a rack 703 passing through the gearbox 702, and a blade 704 for cutting open bagged raw materials fixedly mounted on the rack 703. Specifically, the mounting plate 701 rises and falls with the auxiliary rod 604. When the rotating plate 603 flips to a vertical position, the auxiliary rod 604 drives the mounting plate 701 to fall until the blade 704 is at the bottom of the bagged raw material. The mounting plate 701 is equipped with a motor 705 that drives the gearbox 702 to rotate. The gearbox 702 contains multiple gears that mesh with the rack 703. Through the meshing of the gears and rack 703, the rack 703 is ensured to slide on the gearbox 702. The blade 704 is installed at the end of the rack 703 near the bagged raw material. The rack 703 drives the blade 704 to move to the end away from the flipping mechanism 6. Then, the auxiliary rod 604 drives the bag-cutting mechanism 7 to rise slightly until the blade 704 is inserted into the bagged raw material. Then, the motor 705 drives the rack 703 to move back. This setup enables the blade 704 to cut open the bagged raw material, which falls into the feed inlet for the next operation.

[0037] The bagged raw material feeding and bag-cutting device in this embodiment completes bag picking, flipping, bottom cutting, and unloading in one go through an integrated conveying path consisting of a robotic arm 1, a rotating seat 2, a swing fork 3, a flipping mechanism 6, and a bag-cutting mechanism 7. This significantly shortens the cycle time and reduces the length of the equipment. The conical rod 304 and the rotating arm 302 work together to achieve self-locking suspension, eliminating the need for additional clamps and allowing for quick adaptation to bags of different thicknesses, thus improving changeover efficiency. The locking structure of the screw 305 ensures that the insertion depth of the conical rod 304 is consistent, preventing the bag from slipping during the transfer process and improving operational stability. The clamping structure between the pressure plate 5 and the conical rod 304 enhances the bag holding force during high-speed movement, preventing shaking or falling off and ensuring reliable continuous operation.

[0038] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A bagged stock material feed and bag opening apparatus characterized by, include: robotic arm (1); Rotary seat (2) is fixed to the moving end of the robotic arm (1); Two sets of swing forks (3) are arranged at the bottom of the rotating seat (2) and rotate relative to each other. The swing forks (3) are inserted into the bagged raw materials and move with the robotic arm (1). A flipping mechanism (6) is provided on the upper part of the rotating seat (2); The bag-cutting mechanism (7) is set on the flipping mechanism (6) and flips with the flipping mechanism (6). The bag-cutting mechanism (7) moves to the bottom of the bagged raw material and cuts open the bottom of the bagged raw material.

2. The bagged raw material feeding and bag-splitting device according to claim 1, characterized in that: The swing fork (3) includes two vertical plates (301) fixed to the bottom of the rotating seat (2), a rotating arm (302) rotatably connected to the vertical plates (301), and a crossbeam (303) fixed between the two rotating arms (302). A cone rod (304) for inserting bagged raw materials is provided on the crossbeam (303).

3. The bagged raw material feeding and bag-splitting device according to claim 2, characterized in that: A screw (305) is screwed onto the crossbeam (303) and arranged perpendicularly to the cone rod (304). The end of the screw (305) abuts against the cone rod (304) to lock the cone rod (304) from sliding.

4. The bag-feeding and bag-splitting device for bagged raw materials according to claim 2, characterized in that: A bag-pressing cylinder (4) is fixed to the bottom of the rotating seat (2) between the two sets of swing forks (3). The piston rod of the bag-pressing cylinder (4) is fixedly provided with a pressure plate (5). The pressure plate (5) cooperates with the cone rod (304) to clamp the bagged raw materials.

5. The bag-feeding and bag-splitting device for bagged raw materials according to claim 1, characterized in that: The flipping mechanism (6) includes a bracket (601) fixed to the upper part of the rotating seat (2), a column (602) fixed on the bracket (601), and a rotating plate (603) flipped on the column (602). The bag-cutting mechanism (7) is installed on the rotating plate (603) and flips with the rotating plate (603).

6. The bag-feeding and bag-splitting device for bagged raw materials according to claim 5, characterized in that: An auxiliary rod (604) is vertically and vertically mounted on the rotating plate (603), and the bag-cutting mechanism (7) is fixed to the bottom of the auxiliary rod (604).

7. The bagged raw material feeding and bag-splitting device according to claim 6, characterized in that: The bag-cutting mechanism (7) includes a mounting plate (701) fixed to the bottom of the auxiliary rod (604), a gearbox (702) fixed to the mounting plate (701), and a rack (703) slidably passing through the gearbox (702). A blade (704) is fixedly provided at one end of the rack (703) near the bagged raw material.

8. The bag-feeding and bag-splitting device for bagged raw materials according to claim 7, characterized in that: The installation plate (701) is fixedly provided with a motor (705) for driving the gear box (702), and the gear in the gear box (702) is engaged with the rack (703) to drive the blade (704) to reciprocate.

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