Automatic bag making and bagging equipment

Abstract

The utility model discloses automatic bag making and bagging equipment which comprises a machine base and an electric control cabinet, the machine base is sequentially provided with a feeding device, a shaping vacuum cylinder and an automatic bagging device, the inner wall of the shaping vacuum cylinder is provided with a plurality of suction ports in the circumferential direction, and the suction ports are used for adsorbing the outer wall of a bag material so that the bag material can be kept in a cylindrical shape. The automatic bagging device comprises an inner mold for sleeving a bag material, a straight pipe conveying and grabbing device used for tightly sucking the bag material and sleeving the bag material on the inner mold is further arranged between the shaping vacuum cylinder and the bagging automation device. The bag sealing and cutting device is used for heat-sealing the end part of the bag material to form a bag body and cutting off the connection between the bag body and the bag material, and the bent pipe conveying, grabbing and releasing device is used for adsorbing the end part of the unprocessed bag material to keep the bag material in a cylindrical shape, so that the whole process does not need manual intervention, continuous and rapid bag making and bagging operation can be realized, and the production efficiency is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to packaging equipment technical field especially relates to a kind of automatic bag making and bagging equipment. BACKGROUND

[0002] Current packaging bag product has reel style and one layer one's layer dress etc. Style, use as example, in use, need to be taken out from storage, take one, take out filled garbage bag, suit new garbage bag, and carry out edge finishing etc. Multiple procedures, there is the problem of time-consuming and labor-consuming.

[0003] At present, also have part user, for the convenience of operation, pour a bucket, and one one packaging bag is suitably installed into a pile, then one pile bag is placed into barrel, and edge is suitably finished. When using, one filled is taken away, and the rest continues to load, saves multiple actions such as taking bag, bag, bag, and improves work efficiency. But this operation still exists one one packaging bag and is installed into a pile by human operation.

[0004] The utility model is made based on the above situation. CONTENT OF UTILITY MODEL

[0005] The utility model overcomes the insufficient of prior art, and provides an automatic bag making and bagging equipment.

[0006] The utility model is realized through the following technical schemes:

[0007] An automatic bag making and bagging equipment, including base and electric control cabinet, the base is sequentially provided with feeding device, shaping vacuum cylinder and bagging automation device, the inner wall of the shaping vacuum cylinder is provided with a plurality of suction ports for adsorbing the outer wall of bag material so that the bag material remains cylindrical, the bagging automation device includes an inner mold for bag material sleeve connection, a straight pipe conveying grabbing device for sucking the bag material and sleeving the bag material on the inner mold, a bag sealing and cutting device for heat sealing the end of the bag material to form a bag body and cut off the connection between the bag body and the bag material, and a elbow pipe conveying grabbing device for adsorbing the end of the unprocessed bag material to keep the bag material cylindrical.

[0008] An automatic bag making and bagging device as described above, the bagging automation device comprises a first mounting frame, the first mounting frame is provided with a tension device base, an arc-shaped pressing strip is rotatably connected to the tension device base, the first mounting frame is further provided with a conical top block for pushing one end of the arc-shaped pressing strip so that the arc-shaped pressing strip tightly presses the bag body on the inner mold, a first servo motor for driving the conical top block to push the arc-shaped pressing strip, and a guide tube for guiding the movement of the conical top block, the output shaft of the first servo motor is connected with a lead screw, the conical top block is threadedly connected with the lead screw and slidably connected with the guide tube, and a return spring is further arranged between the arc-shaped pressing strip and the tension device base to release the bag body when the conical top block moves away from the arc-shaped pressing strip.

[0009] An automatic bag making and bagging device as described above, the inner mold is in the shape of a barrel, and the first mounting frame is further provided with a mold seat for sleeving the inner mold.

[0010] An automatic bag making and bagging device as described above, the straight pipe conveying and grabbing device comprises a first circular ring vacuum cylinder for sucking the bag body and a first gear and rack transmission mechanism for driving the first circular ring vacuum cylinder to move so as to sleeve the bag body on the inner mold, and the inner side of the first circular ring vacuum cylinder is circumferentially provided with a plurality of straight pipe nozzles for sucking the bag body.

[0011] An automatic bag making and bagging device as described above, a first air cavity is arranged in the wall of the first circular ring vacuum cylinder, the straight pipe nozzles are in communication with the first air cavity, and the first circular ring vacuum cylinder is further provided with a first interface for connecting the first air cavity to a vacuum pump.

[0012] An automatic bag making and bagging device as described above, the bag sealing and cutting device comprises a second mounting frame, at least two opposite sealing bottom cutting seats are movably connected to the second mounting frame, one of the sealing bottom cutting seats is provided with a film pressing silica gel strip, a hot melt strip and a blade on the inner side, and a second gear and rack transmission mechanism is arranged between the sealing bottom cutting seat and the second mounting frame to drive the pair of sealing bottom cutting seats to move close to each other so as to seal the bottom of the bag material and cut the bag material.

[0013] An automatic bag making and bagging device as described above, the elbow pipe conveying and grabbing device comprises a second circular ring vacuum cylinder for sucking the bag body and a third gear and rack transmission mechanism for driving the second circular ring vacuum cylinder to move so as to drag the bag body, and the second circular ring vacuum cylinder is circumferentially provided with a plurality of elbow pipe nozzles for sucking the bag body.

[0014] An automatic bag making and bagging device as described above, a second air cavity is arranged in the wall of the second circular ring vacuum cylinder, the elbow pipe nozzles are in communication with the second air cavity, and the second circular ring vacuum cylinder is further provided with a second interface for connecting the second air cavity to a vacuum pump.

[0015] An automatic bag making and sleeving device, wherein a conveying pair of wheels for pulling the bag material and a second servo motor for driving the conveying pair of wheels to rotate are arranged between the feeding device and the shaping vacuum cylinder.

[0016] Compared with the prior art, the automatic bag making and sleeving device has the following advantages:

[0017] 1、The automatic bag making and sleeving device can realize continuous and rapid bag making and sleeving operation without manual intervention, greatly improving the production efficiency; the electric control cabinet is used for precise control, ensuring that each step can be executed according to the preset parameters, and ensuring the high quality and consistency of the products; the suction port on the shaping vacuum cylinder ensures that the bag material remains cylindrical during processing, avoiding deformation or position deviation, and enhancing the stability of production; the device can not only complete the basic bag making work, but also has the bag sleeving function, and is suitable for various packaging requirements; the length of the bag material can be accurately controlled and cut, reducing waste and reducing production cost; the inner mold and other related components can be adjusted to adapt to the production of bags of different sizes and types, having high flexibility; the high degree of automation reduces the opportunity for workers to directly contact the machine, thereby reducing the risk of injury. BRIEF DESCRIPTION OF DRAWINGS

[0018] The specific embodiments of the utility model will be further described in detail below in combination with the drawings, wherein:

[0019] Figure 1 is a structural schematic view of the utility model;

[0020] Figure 2 is a structural schematic view of the bag material being unwound from the feeding device, being adsorbed into a cylindrical shape by the shaping vacuum cylinder, and being grabbed by the straight pipe conveying and grabbing device;

[0021] Figure 3 is a sectional view schematic view of the bag material being unwound from the feeding device, being adsorbed into a cylindrical shape by the shaping vacuum cylinder, and being grabbed by the straight pipe conveying and grabbing device;

[0022] Figure 4 is a structural schematic view of the bag sealing and cutting device;

[0023] Figure 5 is a sectional view schematic view of the bag sleeving automation device;

[0024] Figure 6 is a structural schematic view of the bag pressing and tensioning device;

[0025] Figure 7 is a structural schematic view of the inner mold and the bag body;

[0026] Figure 8Is the structure schematic diagram of the bag body pile into rectangular cylinder in the utility model;

[0027] Figure 9 Is the structure schematic diagram of the bag body pile into elliptical cylinder in the utility model;

[0028] Figure 10 Is the control schematic diagram for the control cabinet. DETAILED DESCRIPTION

[0029] The utility model will be further described below in combination with the drawings:

[0030] As Figures 1 to 10 The utility model discloses an automatic bag making and sleeving equipment, which comprises a base 1 and an electric control cabinet 2, the base 1 is sequentially provided with a feeding device 3, a shaping vacuum cylinder 4 and a bag sleeving automation device 5, the inner wall of the shaping vacuum cylinder 4 is circumferentially provided with a plurality of suction ports 41 for adsorbing the outer wall of a bag material so that the bag material remains in a cylindrical shape, the bag sleeving automation device 5 comprises an inner mold 51 for sleeving the bag material, a straight pipe conveying and grabbing device 6 for sucking the bag material tightly and sleeving the bag material on the inner mold 51 is further arranged between the shaping vacuum cylinder 4 and the bag sleeving automation device 5, a bag sealing and cutting device 7 for heat sealing the end portion of the bag material to form a bag body and cut off the connection between the bag body and the bag material, and a bent pipe conveying and grabbing device 8 for adsorbing the end portion of the unprocessed bag material to keep the bag material in a cylindrical shape.

[0031] The automatic bag making and sleeving equipment in the utility model does not need manual intervention in the whole process, can realize continuous and rapid bag making and sleeving operation, greatly improves production efficiency, adopts the electric control cabinet for accurate control, ensures that each step can be executed according to preset parameters, guarantees the high quality and consistency of products, makes the bag material keep in a cylindrical shape in the processing process through the suction ports 41 on the shaping vacuum cylinder 4, avoids the problems of deformation or position deviation, enhances the stability of production, the equipment not only can complete the basic bag making work, but also has the bag sleeving function, is suitable for various packaging requirements, can accurately control the length of the bag material and cut, reduces waste and production cost, can adjust the inner mold 51 and other related components to adapt to the making of bags of different sizes and types, has high flexibility, has high automation degree, reduces the opportunity of workers directly contacting the machine, and reduces the risk of injury.

[0032] Specifically, the bag automation device 5 comprises a first mounting frame 52, a tension device base 53 is arranged on the first mounting frame 52, an arc-shaped pressing strip 54 is rotatably connected to the tension device base 53, a conical top block 55 for pushing one end of the arc-shaped pressing strip 54 to make the arc-shaped pressing strip 54 press the bag body on the inner mold 51, a first servo motor 56 for driving the conical top block 55 to push the arc-shaped pressing strip 54, and a guide pipe 57 for guiding the movement of the conical top block 55 are arranged on the first mounting frame 52. An output shaft of the first servo motor 56 is connected with a lead screw 58, the conical top block 55 is threadedly connected with the lead screw 58 and is slidably connected to the guide pipe 57. A reset spring 59 for resetting the arc-shaped pressing strip 54 to loosen the bag body when the conical top block 55 moves away from the arc-shaped pressing strip 54 is further arranged between the arc-shaped pressing strip 54 and the tension device base 53.

[0033] The first servo motor 56 is used in combination with the lead screw 58 to achieve precise position control, ensuring that the arc-shaped pressing strip 54 can accurately press or loosen the bag body. The movement of the conical top block 55 along the guide pipe 57 ensures the linearity and stability of the movement, avoiding the occurrence of deviation or jamming. When the conical top block 55 moves away from the arc-shaped pressing strip 54, the reset spring 59 automatically pushes the arc-shaped pressing strip 54 back to the initial state, which not only simplifies the operation process, but also reduces the additional power demand.

[0034] Further, the first mounting frame 52 is movably connected to the machine base 1 through a guide rail, a gear and rack structure and a servo motor are arranged between the first mounting frame 52 and the machine base 1 to drive the movement of the first mounting frame 52. A sixth positioner 105 is arranged on the machine base 1 to limit the sliding of the first mounting frame 52 out of the machine base 1.

[0035] In an embodiment, the inner mold 51 is in the shape of a barrel, and a barrel seat 50 is further arranged on the first mounting frame 52 for the inner mold 51 to be sleeved. The inner mold 51 can be in the shape of a round barrel, a square barrel or an oval barrel.

[0036] In an embodiment, the straight pipe conveying and grabbing device 6 comprises a first circular ring vacuum cylinder 61 for sucking the bag body and a first gear and rack transmission mechanism 62 for driving the first circular ring vacuum cylinder 61 to move so as to sleeve the bag body on the inner mold 51. A plurality of straight pipe suction nozzles 63 for sucking the bag body are arranged on the inner side of the first circular ring vacuum cylinder 61. The first circular ring vacuum cylinder 61 is slidably connected to the machine base 1 through a guide rail.

[0037] Specifically, a first air cavity 64 is arranged in the cylinder wall of the first circular ring vacuum cylinder 61, the straight pipe suction nozzles 63 are in communication with the first air cavity 64, and the first circular ring vacuum cylinder 61 is further provided with a first interface 65 for connecting the first air cavity 64 to a vacuum pump.

[0038] The plurality of straight pipe suction nozzles 63 circumferentially arranged inside the first circular vacuum cylinder 61 can uniformly distribute suction force, ensuring that the bag material remains in a cylindrical shape when being grabbed. The first air cavity 64 is in communication with the straight pipe suction nozzles 63, which allows simultaneous action on all straight pipe suction nozzles 63 when vacuuming, providing consistent and strong suction force. The first gear and rack transmission mechanism 62 provides high-precision position control, ensuring that the first circular vacuum cylinder 61 can accurately fit the bag body on the inner mold 51. The gear and rack transmission has high mechanical efficiency and stability, suitable for frequent start and stop operating environment.

[0039] In an embodiment, the bag sealing and cutting device 7 comprises a second mounting frame 71 connected to the machine base 1 through a guide rail, at least one pair of bottom sealing and cutting seats 72 movably connected to the second mounting frame 71, at least two opposite bottom sealing and cutting seats 72 movably connected to the second mounting frame 71, wherein the inner side of one of the bottom sealing and cutting seats 72 is provided with a film pressing silicone strip 75, a hot melt strip 73 and a blade 74, and a second gear and rack transmission mechanism 76 is arranged between the bottom sealing and cutting seat 72 and the second mounting frame 71, which can drive the pair of bottom sealing and cutting seats 72 to move closer to each other to seal the bottom of the bag material and cut off the bag material. The film pressing silicone strip 75 straightens the cylindrical bag material, the hot melt strip 73 abuts against the opposite bottom sealing and cutting seat 72 to complete hot melting, and the blade 74 penetrates the opposite bottom sealing and cutting seat 72 to complete cutting.

[0040] In an embodiment, the curved pipe conveying and grabbing device 8 comprises a second circular vacuum cylinder 81 for sucking the bag body and a third gear and rack transmission mechanism 82 for driving the second circular vacuum cylinder 81 to move and drag the bag body, and a plurality of curved pipe suction nozzles 83 for sucking the bag body are circumferentially arranged on the second circular vacuum cylinder 81. The second circular vacuum cylinder 81 is connected to the machine base 1 through a guide rail.

[0041] Specifically, a second air cavity 84 is arranged in the wall of the second circular vacuum cylinder 81, the curved pipe suction nozzles 83 are in communication with the second air cavity 84, and the second circular vacuum cylinder 81 is further provided with a second interface 85 for connecting the second air cavity 84 to a vacuum pump.

[0042] The plurality of curved pipe suction nozzles 83 circumferentially arranged on the second circular vacuum cylinder 81 can uniformly distribute suction force, ensuring that the bag material remains in a cylindrical shape when being grabbed. The second air cavity 84 is in communication with the curved pipe suction nozzles 83, which allows simultaneous action on all curved pipe suction nozzles 83 when vacuuming, providing consistent and strong suction force.

[0043] In an embodiment, the wall of the shaping vacuum cylinder 4 has a third air cavity 42, the suction port 41 is in communication with the third air cavity 42, and the shaping vacuum cylinder 4 is further provided with a third interface 43 for connecting the third air cavity 41 to a vacuum pump. The shaping vacuum cylinder 4 is connected to the machine base 1 through a guide rail.

[0044] The bag bodies are sleeved one by one to form a plurality of sleeves in a pile, thereby forming a sleeved packaging bag.

[0045] In an embodiment, a conveying pair of wheels 9 for pulling the bag material is provided between the feeding device 3 and the shaping vacuum cylinder 4, and a second servo motor 91 is provided for driving the conveying pair of wheels 9 to rotate. The second servo motor 91 can provide high-precision speed and position control, ensuring that the bag material is pulled at a constant and controllable speed, avoiding the problem of material stretching or accumulation caused by speed fluctuations. The design of the conveying pair of wheels 9 can uniformly apply pressure, ensuring that the bag material does not slip or deviate during pulling, thereby ensuring the flatness and transmission stability of the bag material. The gap between the pair of wheels can be adjusted according to the thickness of the bag material, further improving adaptability. Precise pulling control reduces the slack or excessive stretching of the bag material during transmission, reducing material waste and saving costs.

[0046] An automatic bag-making and sleeving method of an automatic bag-making and sleeving device, which adopts the automatic bag-making and sleeving device described above, wherein the machine base 1 is provided with a first positioner 100 for determining the material taking position of the straight pipe conveying and grabbing device 6, a second positioner 101 for determining the material placing position of the straight pipe conveying and grabbing device 6, a third positioner 102 for determining the back-off position of the elbow pipe conveying and grabbing device 8, a fourth positioner 103 for determining the material taking position of the elbow pipe conveying and grabbing device 8, and a fifth positioner 104 for determining the material transferring position of the elbow pipe conveying and grabbing device 8. A first vacuum valve 201 is provided between the vacuum pump and the straight pipe conveying and grabbing device 6 for adjusting the suction force of the straight pipe suction nozzle 63. A second vacuum valve 202 is provided between the vacuum pump and the elbow pipe conveying and grabbing device 8 for adjusting the suction force of the elbow pipe suction nozzle 83. A third vacuum valve 203 is provided between the vacuum pump and the shaping vacuum cylinder 4 for adjusting the suction force of the suction port 41. The method comprises the following steps:

[0047] S1, the control cabinet 2 is connected to the power supply and data line, the components that need to be pumped in the automatic bag-making and sleeving device are connected to the vacuum pump, and the programs and parameters related to the actions of each process are written; the control cabinet 2 has a PLC control system.

[0048] S2, turn on the main switch and the vacuum pump of the automatic bag-making and sleeving device, pull the bag material out from the feeding device 3, pass through the shaping vacuum cylinder 4, and suck it tightly on the elbow pipe suction nozzle 83;

[0049] S3, the elbow pipe conveying and grabbing device 8 moves to the fifth positioner 104 to transfer the bag material to the straight pipe conveying and grabbing device 6, the second vacuum valve 202 reduces the suction force of the elbow pipe suction nozzle 83, the straight pipe conveying and grabbing device 6 sleeves the bag material on the inner mold 51, the elbow pipe conveying and grabbing device 8 moves to the fifth positioner 104, and the second vacuum valve 202 increases the suction force of the elbow pipe suction nozzle 83 to suck the bag material tightly;

[0050] S4, the bag cutting device 7 heat seals the end of the bag material to form a bag body and cuts the connection between the bag body and the bag material;

[0051] S5, the first vacuum valve 201 reduces the suction of the straight pipe suction nozzle 63, the straight pipe conveying and grabbing device 6 moves to the first positioner 100, the first vacuum valve 201 increases the suction of the straight pipe suction nozzle 63, and the elbow pipe conveying and grabbing device 8 moves to the fifth positioner 104 to hand over the bag material to the straight pipe conveying and grabbing device 6 for suction.

[0052] The steps S3-S5 are cycled until the number of bags on the inner mold 51 reaches the preset value; then the bag body is manually removed.

[0053] When the straight pipe conveying and grabbing device 6 sleeves the bag material on the inner mold 51 in step S3, the conical top block 55 resets the arc-shaped pressing strip 54 to release the bag body, and when the straight pipe conveying and grabbing device 6 returns to the first positioner 100, the conical top block 55 pushes the arc-shaped pressing strip 54 to press the bag material on the inner mold 51.

Claims

1. An automated bag making and bagging device, characterized in that: The device includes a base (1) and an electrical control cabinet (2). The base (1) is provided with a feeding device (3), a shaping vacuum cylinder (4) and an automatic bagging device (5) in sequence. The inner wall of the shaping vacuum cylinder (4) is provided with multiple suction ports (41) for adsorbing the outer wall of the bag material so as to keep the bag material in a cylindrical shape. The automatic bagging device (5) includes an inner mold (51) for bag material to be fitted. Between the shaping vacuum cylinder (4) and the automatic bagging device (5), there is also a straight tube conveying and gripping device (6) for adsorbing the bag material and fitting the bag material onto the inner mold (51), a sealing and cutting device (7) for heat sealing the end of the bag material to form a bag body and for cutting off the connection between the bag body and the bag material, and a curved tube conveying and gripping device (8) for adsorbing the unprocessed end of the bag material so as to keep the bag material in a cylindrical shape.

2. The automated bag making and bagging equipment according to claim 1, characterized in that: The automated bagging device (5) includes a first mounting frame (52), on which a tensioning device base (53) is provided. An arc-shaped pressure strip (54) is rotatably connected to the tensioning device base (53). The first mounting frame (52) is also provided with a conical top block (55) for pushing one end of the arc-shaped pressure strip (54) so ​​that the arc-shaped pressure strip (54) presses the bag body onto the inner mold (51). A first servo motor drives the conical top block (55) to push the arc-shaped pressure strip (54). The machine (56) and the guide tube (57) for guiding the movement of the conical top block (55) are provided. The output shaft of the first servo motor (56) is connected to a lead screw (58). The conical top block (55) is threadedly connected to the lead screw (58) and slidably connected to the guide tube (57). A reset spring (59) is also provided between the bow-shaped pressure strip (54) and the base (53) of the tensioning device to reset the bow-shaped pressure strip (54) and release the bag body when the conical top block (55) moves away from the bow-shaped pressure strip (54).

3. The automated bag making and bagging equipment according to claim 2, characterized in that: The inner mold (51) is barrel-shaped, and the first mounting frame (52) is also provided with the inner mold (51) sleeved on the mold base (50).

4. The automated bag making and bagging equipment according to claim 3, characterized in that: The straight tube conveying and gripping device (6) includes a first annular vacuum cylinder (61) for gripping the bag body and a first gear and rack transmission mechanism (62) for driving the first annular vacuum cylinder (61) to move so as to put the bag body on the inner mold (51). The inner circumferential side of the first annular vacuum cylinder (61) is provided with a plurality of straight tube suction nozzles (63) for gripping the bag body.

5. An automated bag making and bagging device according to claim 4, characterized in that: The first annular vacuum cylinder (61) has a first gas chamber (64) inside its cylinder wall. The straight tube nozzle (63) is connected to the first gas chamber (64). The first annular vacuum cylinder (61) is also provided with a first interface (65) for connecting the first gas chamber (64) to a vacuum pump.

6. An automated bag making and bagging device according to claim 5, characterized in that: The bag sealing and cutting device (7) includes a second mounting frame (71), on which at least two opposing bottom sealing and cutting seats (72) are movably connected. One of the bottom sealing and cutting seats (72) is provided with a pressure film silicone strip (75), a hot melt strip (73) and a blade (74) on its inner side. A second gear and rack transmission mechanism (76) is provided between the bottom sealing and cutting seat (72) and the second mounting frame (71) to drive the pair of bottom sealing and cutting seats (72) to move closer together to seal the bottom of the bag material and cut the bag material.

7. An automated bag making and bagging device according to claim 6, characterized in that: The curved tube conveying and gripping device (8) includes a second annular vacuum cylinder (81) for suctioning the bag body and a third gear and rack transmission mechanism (82) for driving the second annular vacuum cylinder (81) to move and thus drag the bag body. The second annular vacuum cylinder (81) is circumferentially provided with a plurality of curved tube suction nozzles (83) for suctioning the bag body.

8. An automated bag making and bagging device according to claim 7, characterized in that: The second annular vacuum cylinder (81) has a second air chamber (84) inside its cylinder wall. The bent tube nozzle (83) is connected to the second air chamber (84). The second annular vacuum cylinder (81) is also provided with a second interface (85) for connecting the second air chamber (84) to a vacuum pump.

9. An automated bag-making and bag-packing device according to claim 1, characterized in that: The feeding device (3) and the shaping vacuum cylinder (4) are provided with a conveying wheel (9) for pulling the bag material and a second servo motor (91) for driving the conveying wheel (9) to rotate.

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