A rotary rotary bag transfer machine

Abstract

The utility model discloses a rotary rotary bag transfer machine, including hollow rotating platform, attitude adjusting mechanism, bag clamping mechanism, bag holding mechanism, draw -in mechanism, hollow rotating platform is fixed on the ground, the attitude adjusting mechanism is fixed on the hollow rotating platform, and the middle axis mutually coincides, bag holding mechanism and draw -in mechanism are parallel to each other, and are fixed on the attitude adjusting mechanism, bag clamping mechanism is fixed on draw -in mechanism. The utility model is used for the workpiece of the workpiece of rotary loading machine, and will workpiece delivery to weave bag machine to high -efficiently complete to workpiece's on the undertaking.

Description

Technical Field

[0001] This utility model belongs to the field of bagged material transfer technology, and in particular relates to a rotary bag transfer machine. Background Technology

[0002] A bag transfer machine is an industrial automation device used to automatically move, handle, and transfer bagged materials. It is typically found in production lines or logistics processes that require handling various types of packaging bags (such as woven bags, paper bags, burlap sacks, etc.). The core function of a bag transfer machine is to replace manual labor in picking up, moving, and placing bagged items from one conveyor line to another, from the production line to a pallet (palletizing), or from a pallet to the production line (depalletizing).

[0003] A search revealed a fully automatic bag-breaking, unloading, and bag-transferring machine with publication number CN219807296U on the Chinese Patent website. This bag-transferring machine can be used for the transfer of bagged materials, but it has some defects and shortcomings that need to be improved: (1) In existing bagged material production lines, traditional bag-transferring equipment mostly adopts fixed-path conveyor belts or robotic arm structures, which have problems such as complex structures, low space utilization, and insufficient transfer stability. Although the bag-transferring robot achieves the steering function through multi-joint robotic arms, it relies on redundant transmission components, resulting in high maintenance costs and high energy consumption; (2) Bag-transferring devices using linear conveyor belts are difficult to adapt to flexible production requirements due to fixed paths, and the bags are prone to shift due to centrifugal force when running at high speeds; (3) Traditional bag-transferring machines only realize the transfer of workpieces and cannot effectively cooperate with the front and rear equipment to improve the stability and efficiency of bag transfer. Therefore, in view of the above problems, the rotary bag-transferring machine provided by this utility model is of great significance. Utility Model Content

[0004] This utility model provides a rotary bag transfer machine with a compact structure, small footprint, and main functions provided by the mechanical structure. It is easy to maintain, highly reliable, and robust. By setting a flattening mechanism, the bag opening of the bagged workpiece can be flattened, thus facilitating the smooth progress of the next process (bag weaving). By setting a posture adjustment mechanism, when the material inlet is connected, the first and second workstations form an angle and fit tangentially to the bag opening, while the first and second workstations can avoid the material bag on the rotating body. The bag clamping mechanism uses mechanical linkage to achieve high clamping and placement synchronization. The structure is simple and compact, easy to maintain, and highly reliable. A pneumatic power source is used to improve clamping and placement efficiency. In summary, it solves the problems in the background technology.

[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0006] This utility model discloses a rotary bag transfer machine, which includes a hollow rotary platform, a posture adjustment mechanism, a bag clamping mechanism, a bag holding mechanism, and a flattening mechanism. The hollow rotary platform is fixed on the ground, the posture adjustment mechanism is fixed on the hollow rotary platform and their central axes coincide. The bag holding mechanism and the flattening mechanism are parallel to each other and are fixed on the posture adjustment mechanism. The bag clamping mechanism is fixed on the flattening mechanism.

[0007] The hollow rotating platform includes a base, a frame, a pneumatic-electric slip ring, and a first servo motor. The frame is fixed on the base, the pneumatic-electric slip ring is fixed inside the frame, and the first servo motor is fixed on the side of the frame.

[0008] The bag clamping mechanism includes a cylinder, a rocker arm, a lever, a first connecting rod, a rotating arm, a guide rail slider, a clamping block, a first hinge, and a second hinge;

[0009] The attitude adjustment mechanism includes a second servo motor, a reducer, a base plate, a reducer bracket, a rotary block, a second connecting rod, a limit block, a rotating plate, and a synchronous connecting rod;

[0010] The leveling mechanism includes a first crank, a fixed frame, a second crank, a leveling top plate, a slider, a third hinge, a leveling limit block, and a leveling cylinder.

[0011] Furthermore, the output shaft of the cylinder is connected to a first connecting rod, and each end of the first connecting rod is connected to a hinge. The first hinge is threadedly connected to a rotating arm, the second hinge is threadedly connected to a rocker arm, the rocker arm is threadedly connected to a lever, the lever is threadedly connected to a guide rail slider, and the guide rail slider is threadedly connected to a clamping block.

[0012] Furthermore, the base plate is fixed to the hollow rotating platform by a threaded connection, and the central axes of the base plate coincide with each other. The reducer bracket is fixed to the base plate, and the central axes of the base plate coincide with each other. The limiting block is fixed to the base plate by a threaded connection.

[0013] Furthermore, the reducer is fixed to the reducer bracket by a threaded connection, and the output end of the second servo motor is connected to the input end of the reducer by a coupling, with their central axes coinciding.

[0014] Furthermore, the output end of the reducer is connected to the rotary block, and each end of the rotary block is connected to a second connecting rod through a rotary joint. The second connecting rod is connected to the rotating plate through a rotary joint. One end of the synchronous connecting rod is fixed on the rotating plate, and the other end is connected to the bag-holding mechanism.

[0015] Furthermore, the fixed frame is fixed to the rotating plate by a threaded connection, the first crank and the second crank are connected to the fixed frame by a rotary joint, the second crank is fixed to the flat top plate by a rotary joint, the first crank and the slider form a crank-slider structure, and the slider slides linearly back and forth on the flat top plate.

[0016] Furthermore, the third hinge is connected to the slider via a rotary joint, the flattening limit block is fixed to the fixed frame via a threaded connection, and each end of the flattening cylinder is connected to a third hinge.

[0017] The present invention has the following advantages over the prior art:

[0018] (1) The rotary bag transfer machine of this utility model has a compact structure and occupies little space when in use. Its main functions are provided by the mechanical structure, and it is easy to maintain, highly reliable and robust.

[0019] (2) When using the rotary bag transfer machine of this utility model, a flattening mechanism can be set to flatten the bag opening of the bagged workpiece, thereby facilitating the smooth progress of the next process (bag weaving);

[0020] (3) When the rotary bag transfer machine of this utility model is used, by setting the posture adjustment mechanism, when the material outlet is connected, the 1st and 2nd work positions form an angle and fit the bag opening in a tangential manner, while the 1st and 2nd work positions can avoid the material bag on the rotating body.

[0021] (4) When the rotary bag transfer machine of this utility model is used, it uses a mechanical linkage through the bag clamping mechanism to achieve high synchronization of clamping and placing, simple and compact structure, easy maintenance, strong structural reliability, and pneumatic power source to improve clamping and placing efficiency.

[0022] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0023] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0024] Figure 1 This is a schematic diagram of the structure of a rotary bag transfer machine according to the present invention;

[0025] Figure 2 This is a front view of a rotary bag transfer machine according to the present invention;

[0026] Figure 3 This is a top view of the bag clamping mechanism in this utility model (with the grippers open).

[0027] Figure 4 This is a top view of a rotary bag transfer machine according to the present invention;

[0028] Figure 5 This is a side view of a rotary bag transfer machine according to the present invention;

[0029] Figure 6 This is a front view of the flattening mechanism in this utility model.

[0030] The attached diagram lists the components represented by each number as follows:

[0031] 1. Hollow rotating platform; 2. Attitude adjustment mechanism; 3. Bag clamping mechanism; 4. Bag holding mechanism; 5. Leveling mechanism; 6. Base; 7. Frame; 8. Pneumatic-electric slip ring; 9. First servo motor; 10. Cylinder; 11. Rocker arm; 12. Pulley block; 13. First connecting rod; 14. Rotating arm; 15. Guide rail slider; 16. Clamping block; 17. Second servo motor; 18. Reducer; 19. Base plate; 20. Reducer bracket; 21. Rotating block; 22. Second connecting rod; 23. Limiting block; 24. Rotating plate; 25. Synchronous connecting rod; 26. First hinge; 27. Second hinge; 28. First crank; 29. ​​Fixed frame; 30. Second crank; 31. Leveling top plate; 32. Slider; 33. Third hinge; 34. Leveling limit block; 35. Leveling cylinder. Detailed Implementation

[0032] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0033] In the description of this utility model, it should be understood that the terms "relative", "one end", "inner", "lateral", "end", "both ends", "both sides", "front", "one end face", "the other end face", etc., which indicate orientation or positional relationship, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the components or elements 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.

[0034] Please see Figure 1-6As shown, this utility model discloses a rotary bag transfer machine, which includes a hollow rotary platform 1, a posture adjustment mechanism 2, a bag clamping mechanism 3, a bag holding mechanism 4, and a flattening mechanism 5. The hollow rotary platform 1 is fixed on the ground and serves as the rotation power source, providing the basis for the rotation of the entire machine. The posture adjustment mechanism 2 is fixed on the hollow rotary platform 1 and their central axes coincide, and is used to dynamically adjust the work station angle. The bag holding mechanism 4 and the flattening mechanism 5 are parallel to each other and fixed on the posture adjustment mechanism 2, and are responsible for holding the bag tightly. The bag holding mechanism 4 and the flattening mechanism 5 work together to ensure that the bag is flat and wrinkle-free during the transfer process, which is convenient for sealing. The bag clamping mechanism 3 is fixed on the flattening mechanism 5 and is used to perform the bag mouth clamping action.

[0035] The hollow rotating platform 1 includes a base 6, a frame 7, a pneumatic-electric slip ring 8, and a first servo motor 9. The frame 7 is fixed on the base 6, the pneumatic-electric slip ring 8 is fixed inside the frame 7, and the first servo motor 9 is fixed on the side of the frame 7. The base 6 is fixed to the ground and supports the entire mechanism. The frame 7 is vertically mounted on the base 6. The pneumatic-electric slip ring 8 is integrated inside the frame 7 and is used for continuous transmission of air and electricity during rotation. The first servo motor 9 is mounted on the side of the frame 7 and provides rotational power.

[0036] The bag clamping mechanism 3 includes a cylinder 10, a rocker arm 11, a lever 12, a first connecting rod 13, a rotating arm 14, a guide rail slider 15, a clamping block 16, a first hinge 26, and a second hinge 27.

[0037] The attitude adjustment mechanism 2 includes a second servo motor 17, a reducer 18, a base plate 19, a reducer bracket 20, a rotary block 21, a second connecting rod 22, a limit block 23, a rotating plate 24, and a synchronous connecting rod 25;

[0038] The leveling mechanism 5 includes a first crank 28, a fixed frame 29, a second crank 30, a leveling top plate 31, a slider 32, a third hinge 33, a leveling limit block 34, and a leveling cylinder 35.

[0039] In this mechanism, the output shaft of cylinder 10 is connected to the first connecting rod 13. Each end of the first connecting rod 13 is connected to a hinge. The first hinge 26 is threaded to the rotating arm 14, and the second hinge 27 is threaded to the rocker arm 11. The rocker arm 11 is threaded to the lever 12, the lever 12 is threaded to the guide rail slider 15, and the guide rail slider 15 is threaded to the clamping block 16. Cylinder 10 serves as the power source, and its piston rod is hinged to the first connecting rod 13. The two ends of the first connecting rod 13 are connected to the rotating arm 14 and the rocker arm 11 through the first hinge 26 and the second hinge 27, respectively, forming a double rocker mechanism. The rotating arm 14 and the rocker arm 11 swing synchronously, driving the lever 12 to move linearly along the guide rail slider 15. The clamping block 16 is fixed to the end of the guide rail slider 15 and performs clamping / unclamping actions with the movement of the guide rail slider 15.

[0040] The base plate 19 is fixed to the hollow rotating platform 1 by a threaded connection, and the central axes coincide with each other. The reducer bracket 20 is fixed to the base plate 19, and the central axes coincide with each other. The limit block 23 is fixed to the base plate 19 by a threaded connection to constrain the swing angle of the rotating plate 24.

[0041] The reducer 18 is fixed to the reducer bracket 20 by a threaded connection. The output end of the second servo motor 17 is connected to the input end of the reducer 18 by a coupling, and their central axes coincide. The output end of the reducer 18 drives the rotary block 21 to rotate. The rotary block 21 pushes the rotating plate 24 to swing around the axis through two symmetrically arranged second connecting rods 22. The synchronous connecting rod 25 transmits the swing of the rotating plate 24 to the bag holding mechanism 4 to achieve synchronous attitude adjustment.

[0042] The output end of the reducer 18 is connected to the rotary block 21. Each end of the rotary block 21 is connected to a second connecting rod 22 through a rotary joint. The second connecting rod 22 is connected to the rotating plate 24 through a rotary joint. One end of the synchronous connecting rod 25 is fixed on the rotating plate 24, and the other end is connected to the bag-holding mechanism 4.

[0043] The fixed frame 29 is fixed to the rotating plate 24 by a threaded connection and is the supporting frame of the flattening mechanism 5. The first crank 28 and the second crank 30 are connected to the fixed frame 29 through a rotary joint. The second crank 30 is fixed to the flattening top plate 31 through a rotary joint. The first crank 28 and the slider 32 form a crank-slider structure. The slider 32 slides linearly back and forth on the flattening top plate 31.

[0044] The third hinge 33 is connected to the slider 32 via a rotary joint and is used to transmit the power of the cylinder 10. The flattening limit block 34 is fixed to the fixed frame 29 via a threaded connection and is used to limit the movement of the slider 32. The two ends of the flattening cylinder 35 are each connected to a third hinge 33 and are the power source of the flattening mechanism 5.

[0045] The circuits, electronic components, and chip modules involved in this utility model are all existing technologies, which can be fully implemented by those skilled in the art, and need not be elaborated upon. The content protected by this utility model does not involve any improvement to the software and methods.

[0046] All standard parts used in the application documents can be purchased from the market. All components in this application document can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art. The electrical components mentioned in this document are all electrically connected to the external main controller and power supply, and the main controller is a conventional known device that can play a control role.

[0047] The working principle of this utility model is as follows:

[0048] In use, the first servo motor 9 is started, which drives the entire hollow rotating platform 1 to rotate through the transmission system in the frame 7, positioning the workpiece in the work position. During rotation, the pneumatic slip ring 8 maintains a continuous supply of air and electricity to prevent pipeline entanglement. The bag-holding mechanism 4 encircles the bag body, and the cylinder 10 drives the first connecting rod 13 to move. Through the rotating arm 14 and rocker arm 11, the lever 12 moves along the guide rail slider 15, causing the clamping block 16 to close and clamp the bag opening. The leveling cylinder 35 pushes the third hinge 33, thereby causing the slider 32 to slide linearly on the leveling top plate 31. The first crank 28 forms a rotating pair with the fixed frame 29 and the slider 32 respectively, causing relative rotation. The second crank 30 forms a rotating pair with the fixed frame 29. After the slider 32 moves a certain distance, the leveling limit block 34... By restricting the movement of slider 32, the flattening mechanism 5 achieves the functions of tightening the bag body, eliminating wrinkles, and ensuring the flatness of the bag body. The second servo motor 17 drives the reducer 18 through the coupling to reduce the speed and increase the torque. The output end of the reducer 18 drives the rotary block 21 to rotate. Through the symmetrical second connecting rod 22, the rotating plate 24 is pushed to swing around the axis. The swing of the rotating plate 24 is transmitted to the bag holding mechanism 4 through the synchronous connecting rod 25 to adjust the tilt angle of the bag body in real time to adapt to the needs of different work stations. The limit block 23 restricts the maximum swing range of the rotating plate 24 to prevent overtravel. After the hollow rotating platform 1 stops rotating, the cylinder 10 of the bag clamping mechanism 3 retracts, the clamping block 16 releases the bag mouth, the posture adjustment mechanism 2 drives the rotating plate 24 to return to its original position, and the bag holding mechanism 4 and the flattening mechanism 5 reset, ready for the next bag clamping and bag moving.

[0049] The first servo motor 9 of the hollow rotary platform 1 provides precise rotational power, and the multi-station rapid switching is realized through closed-loop control. The pneumatic-electric slip ring 8 ensures the continuous transmission of energy and signals during rotation, avoiding the wear problem of traditional slip rings. The rigid connection between the base 6 and the frame 7 ensures the stability of the rotary platform and reduces the impact of vibration on accuracy. The cylinder 10 drives the double rocker mechanism, which converts linear motion into clamping action of the clamping block 16. It has a fast response and adjustable clamping force. The flattening mechanism 5 is arranged in parallel with the bag holding mechanism 4. The flattening mechanism 5 uses the flattening cylinder 35 as the power source. It drives the flattening top plate 31 to move to both sides through the third hinge 33, slider 32 and first crank 28. This drives the bag holding mechanism 3 fixed on the flattening top plate 31 to move. The mechanical tension generated by the flattening mechanism evenly stretches the bag body, avoiding wrinkles caused by loosening during the transfer process, and providing a flat foundation for the subsequent sealing process. The second servo motor 17 cooperates with the reducer 18. Through the planar four-bar linkage composed of the rotary block 21 and the second connecting rod 22, the rotational motion is converted into the precise swing of the rotating plate 24. The synchronous connecting rod 25 transmits the angle change of the rotating plate 24 to the bag holding mechanism 4, ensuring that the bag body is always aligned with the target position during the rotation process, realizing the posture adjustment operation during rotation. The limit block 23 limits the swing angle of the rotating plate 24 to prevent the mechanism from being overloaded or colliding.

[0050] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A rotary bag transfer machine, characterized in that, The device includes a hollow rotating platform (1), a posture adjustment mechanism (2), a bag clamping mechanism (3), a bag holding mechanism (4), and a flattening mechanism (5). The hollow rotating platform (1) is fixed on the ground, the posture adjustment mechanism (2) is fixed on the hollow rotating platform (1), and their central axes coincide. The bag holding mechanism (4) and the flattening mechanism (5) are parallel to each other and fixed on the posture adjustment mechanism (2). The bag clamping mechanism (3) is fixed on the flattening mechanism (5). The hollow rotating platform (1) includes a base (6), a frame (7), a pneumatic slip ring (8), and a first servo motor (9). The frame (7) is fixed on the base (6), the pneumatic slip ring (8) is fixed inside the frame (7), and the first servo motor (9) is fixed on the side of the frame (7). The bag clamping mechanism (3) includes a cylinder (10), a rocker arm (11), a lever (12), a first connecting rod (13), a rotating arm (14), a guide rail slider (15), a clamping block (16), a first hinge (26), and a second hinge (27). The attitude adjustment mechanism (2) includes a second servo motor (17), a reducer (18), a base plate (19), a reducer bracket (20), a rotary block (21), a second connecting rod (22), a limit block (23), a rotating plate (24), and a synchronous connecting rod (25). The leveling mechanism (5) includes a first crank (28), a fixed frame (29), a second crank (30), a leveling top plate (31), a slider (32), a third hinge (33), a leveling limit block (34), and a leveling cylinder (35).

2. The rotary bag transfer machine according to claim 1, characterized in that, The output shaft of the cylinder (10) is connected to the first connecting rod (13). Each end of the first connecting rod (13) is connected to a hinge. The first hinge (26) is threaded to the rotating arm (14). The second hinge (27) is threaded to the rocker arm (11). The rocker arm (11) is threaded to the lever (12). The lever (12) is threaded to the guide rail slider (15). The guide rail slider (15) is threaded to the clamping block (16).

3. A rotary bag transfer machine according to claim 1, characterized in that, The base plate (19) is fixed to the hollow rotating platform (1) by a threaded connection, and the central axes coincide with each other. The reducer bracket (20) is fixed to the base plate (19), and the central axes coincide with each other. The limiting block (23) is fixed to the base plate (19) by a threaded connection.

4. A rotary bag transfer machine according to claim 1, characterized in that, The reducer (18) is fixed to the reducer bracket (20) by a threaded connection. The output end of the second servo motor (17) is connected to the input end of the reducer (18) by a coupling, and their central axes coincide.

5. A rotary bag transfer machine according to claim 1, characterized in that, The output end of the reducer (18) is connected to the rotary block (21). Both ends of the rotary block (21) are connected to a second connecting rod (22) through a rotary joint. The second connecting rod (22) is connected to the rotating plate (24) through a rotary joint. One end of the synchronous connecting rod (25) is fixed on the rotating plate (24), and the other end is connected to the bag holding mechanism (4).

6. A rotary bag transfer machine according to claim 1, characterized in that, The fixed frame (29) is fixed to the rotating plate (24) by a threaded connection. The first crank (28) and the second crank (30) are connected to the fixed frame (29) by a rotary joint. The second crank (30) is fixed to the flat top plate (31) by a rotary joint. The first crank (28) and the slider (32) form a crank-slider structure. The slider (32) slides linearly back and forth on the flat top plate (31).

7. A rotary bag transfer machine according to claim 1, characterized in that, The third hinge (33) is connected to the slider (32) through a rotary joint, the flattening limit block (34) is fixed on the fixing frame (29) by a threaded connection, and each end of the flattening cylinder (35) is connected to a third hinge (33).

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