Round cover bagging device

Abstract

The utility model discloses a round cover bagging device, which aims at automatically completing the bagging process of round covers and improving the bagging efficiency, and adopts the technical scheme that the round cover bagging device comprises a rack, and a material placing track, a bag conveying unit, a paper bag storage area and a material pushing unit are arranged on the rack; the material placing track is in butt joint with the bag conveying units in sequence, and the material placing track is used for placing round covers stacked together; a bag moving manipulator is arranged above the paper bag storage area and used for moving paper bags in the paper bag storage area into a bag conveying unit; the bag conveying unit is used for moving paper bags, and the bag conveying unit is matched with the bag moving mechanical arm to enable the open ends of the paper bags to be arranged at the end of the material placing track in a sleeving mode; and the material pushing unit piece is used for pushing the round cover piles on the material placing track into the paper bags. The utility model belongs to the technical field of packaging equipment.

Description

Technical Field

[0001] The utility model belongs to the technical field of packaging equipment, and more specifically relates to a round cover bagging device. Background Art

[0002] At present, the round caps of aerosol cans are basically made by stamping, and after stamping, they need to be stacked and bagged for easy storage and transportation.

[0003] In the prior art, the bagging process is basically completed manually. By designing a track that is compatible with the round covers, the stacked round covers can be placed on the track and pushed along the track. A paper bag is placed at one end of the track to push the round cover pile into the paper bag to complete the bagging process. This process requires manual bagging and manual pushing. Therefore, there are too many steps involved in manual work, and the efficiency of the entire bagging process is relatively low. Utility Model Content

[0004] The main purpose of the utility model is to provide a round cover bagging device, which aims to automatically complete the round cover bagging process and improve the bagging efficiency.

[0005] According to a first aspect of the utility model, a dome bagging device is provided, comprising a frame, on which a material placement track, a bag feeding unit, a paper bag storage area and a material pushing unit are provided;

[0006] The material placement track is connected with the bag feeding unit in sequence, and the material placement track is used to place the round covers stacked together;

[0007] A bag transfer robot is provided above the paper bag storage area, and the bag transfer robot moves the paper bags in the paper bag storage area to the bag delivery unit;

[0008] The bag feeding unit is used to move the paper bag, and the bag feeding unit cooperates with the bag transfer robot to allow the open end of the paper bag to be placed on the end of the material placement track;

[0009] The pushing unit is used to push the round cover stack on the placing track into the paper bag.

[0010] In the above-mentioned round cover bagging device, the material loading track is divided into a discharge section and a docking section in sequence along its length direction, the docking section is used to put on paper bags, the material loading section has a first guide groove, and the docking section has a second guide groove. The cross-section of the first guide groove in the direction perpendicular to the length of the material loading track is a first arc section, and the cross-section of the second guide groove in the direction perpendicular to the length of the material loading track is a second arc section. The arc length of the first arc section is 1 / 2 to 3 / 5 of the circumference of the maximum outer edge of the round cover, and the arc length of the second arc section is 3 / 4 to 7 / 8 of the circumference of the maximum outer edge of the round cover.

[0011] In the above-mentioned round cover bagging device, a pressing cylinder is provided on the frame, a pressing block is provided at the output end of the pressing cylinder, an arc groove adapted to the outer wall of the docking section is provided on the pressing block, and the pressing cylinder drives the pressing block to press the paper bag against the outer wall of the docking section.

[0012] In the above-mentioned round cover bagging device, the pushing unit includes a first pushing mechanism, the first pushing mechanism includes a first pushing cylinder, a baffle and a first lifting cylinder, the first lifting cylinder is connected to the output end of the first pushing cylinder, and the baffle is connected to the output end of the first lifting cylinder;

[0013] The first lifting cylinder can drive the blocking piece to descend so that the blocking piece is located at a side of the dome stack away from the docking section;

[0014] The first pushing cylinder can drive the first lifting cylinder to move along the length direction of the material placement track, so that the blocking piece pushes the round cover stack into the docking section.

[0015] In the above-mentioned round cover bagging device, the pushing unit includes a second pushing mechanism, which includes a second pushing cylinder, a push rod and a swing structure, the diameter of the push rod is smaller than the outer diameter of the round cover, and the push rod is connected to the output end of the second pushing cylinder;

[0016] The swing structure can drive the second push cylinder to swing so that the push rod can face the round cover pile located in the second guide groove;

[0017] The second pushing cylinder drives the push rod to move along the length direction of the material placement track to allow the dome stack to pass through the docking section.

[0018] In the above-mentioned round cover bagging device, the bag transfer robot comprises a bracket, a second lifting cylinder and a shift cylinder, the second lifting cylinder is connected to the output end of the shift cylinder, the bracket is connected to the output end of the second lifting cylinder, and a first suction cup for sucking paper bags is arranged on the bracket;

[0019] The second lifting cylinder drives the bracket to rise and fall, and the shift cylinder drives the second lifting cylinder to move, so that the bracket is aligned with the paper bag storage area or the bag feeding unit.

[0020] In the above-mentioned round cover bagging device, a first bag pulling cylinder is provided at one end of the bracket close to the material placing track, a third lifting cylinder is provided at the output end of the first bag pulling cylinder, and a second suction cup for sucking paper bags is provided at the output end of the third lifting cylinder;

[0021] The third lifting cylinder drives the second suction cup to move up and down so as to make the second suction cup move closer to or away from the paper bag;

[0022] The first bag pulling cylinder drives the third lifting cylinder to move closer to or away from the material placing track, so that the paper bag can be placed on the material placing track.

[0023] In the above-mentioned round cover bagging device, a second bag pulling cylinder is provided on the frame, the second bag pulling cylinder is located below the material placing track, a fourth lifting cylinder is provided at the output end of the second bag pulling cylinder, and a third suction cup for sucking paper bags is provided at the output end of the fourth lifting cylinder;

[0024] The fourth lifting cylinder drives the third suction cup to move up and down so as to make the third suction cup approach or move away from the paper bag;

[0025] The second bag pulling cylinder drives the fourth lifting cylinder to approach or move away from the material placing track.

[0026] In the above-mentioned round cover bagging device, the bag feeding unit includes a movable plate and a bag feeding cylinder driving the movable plate to move along the length direction of the loading track, the movable plate is provided with a support frame for placing paper bags, and the end of the movable plate close to the loading track is provided with a fifth lifting cylinder, and the output end of the fifth lifting cylinder is provided with a pneumatic clamp, and both fingers of the pneumatic clamp are provided with clips. The paper bag passes through the two clips, and the pneumatic clamp drives the two clips to press the paper bag to allow the paper bag to open further.

[0027] In the above-mentioned round cover bagging device, a limit cylinder is provided at the other end of the movable plate away from the loading track, and a limit block for positioning the paper bag on the support frame is provided at the output end of the limit cylinder. The limit cylinder drives the limit block to approach or move away from the loading track.

[0028] One of the above technical solutions of the utility model has at least one of the following advantages or beneficial effects:

[0029] In the utility model, a bag-moving robot is used to automatically carry paper bags. The bag-moving robot cooperates with a bag-feeding unit to allow the paper bags to be put on a material-loading track after opening. Round covers are piled on the material-loading track. The round cover piles are pushed into the paper bags by a material-pushing unit, thereby automatically completing the bagging process and improving the bagging efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0031] Figure 1 It is a structural schematic diagram of the first embodiment of the utility model;

[0032] Figure 2 It is a structural schematic diagram of the material placement track of the first embodiment of the utility model;

[0033] Figure 3 It is a schematic diagram of the structure of the material placement track and the material pushing unit in the first embodiment of the utility model;

[0034] Figure 4 It is a structural schematic diagram of the second material pushing mechanism of the first embodiment of the utility model;

[0035] Figure 5 This is a schematic structural diagram of a bag transfer robot according to a first embodiment of the present utility model;

[0036] Figure 6 It is a structural schematic diagram of the bag delivery unit of the first embodiment of the utility model.

[0037] Among them, the reference numerals of the figures are:

[0038] 1. Frame; 11. Pressing cylinder; 12. Pressing block;

[0039] 2. Material placement track; 21. Material discharge section; 22. Docking section; 23. Counting gear;

[0040] 3. Bag delivery unit; 31. Moving plate; 32. Bag delivery cylinder; 33. Support frame; 34. Fifth lifting cylinder; 35. Pneumatic clamp; 36. Clamp; 37. Limit cylinder; 38. Limit block;

[0041] 4. Paper bag storage area;

[0042] 5. Pushing unit; 51. First pushing mechanism; 511. First pushing cylinder; 512. Stopper; 513. First lifting cylinder; 52. Second pushing mechanism; 521. Second pushing cylinder; 522. Push rod; 523. Swinging structure;

[0043] 6. Bag-moving robot; 61. Bracket; 611. First suction cup; 612. First bag-pulling cylinder; 613. Third lifting cylinder; 614. Second suction cup; 62. Second lifting cylinder; 63. Shifting cylinder; 64. Second bag-pulling cylinder; 65. Fourth lifting cylinder; 66. Third suction cup. DETAILED DESCRIPTION

[0044] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions from beginning to end. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0045] The following disclosure provides many different embodiments or examples for implementing different solutions of the present invention.

[0046] Reference Figures 1 to 6 As shown, a round cover bagging device comprises a frame 1, on which a material placement track 2, a bag feeding unit 3, a paper bag storage area 4 and a material pushing unit 5 are arranged;

[0047] The material placement track 2 is connected with the bag feeding unit 3 in sequence, and the material placement track 2 is used to place the stacked round covers;

[0048] A bag transfer robot 6 is provided above the paper bag storage area 4. The bag transfer robot 6 moves the paper bags in the paper bag storage area 4 to the bag delivery unit 3. The bag delivery unit 3 is used to move the paper bags.

[0049] The bag transfer robot 6 is used to automatically transport paper bags. The bag transfer robot 6 cooperates with the bag feeding unit 3 to allow the paper bags to be opened and put on the material placement track 2. The round covers are piled up in the material placement track 2. The pusher unit 5 pushes the round cover pile into the paper bag, thereby automatically completing the bagging process and improving the bagging efficiency.

[0050] Reference Figure 2 As shown, the feeding track 2 is divided into a feeding section 21 and a docking section 22 along its length direction. The docking section 22 is used to set paper bags. The feeding section 21 docks with the external stacking device. The external stacking device moves the stacked round caps into the feeding section 21. At this time, the axis of the round caps is consistent with the length direction of the feeding track 2.

[0051] The discharge section 21 is provided with a first guide groove, and the docking section 22 is provided with a second guide groove, the first guide groove is connected with the second guide groove, the cross section of the first guide groove in the length direction perpendicular to the material loading track 2 is a first arc section, and the cross section of the second guide groove in the length direction perpendicular to the material loading track 2 is a second arc section, the arc length of the first arc section is 1 / 2 to 3 / 5 of the circumference of the maximum outer edge of the round cover, and the arc length of the second arc section is 3 / 4 to 7 / 8 of the circumference of the maximum outer edge of the round cover. Therefore, the docking section 22 is an open ring to ensure that there is enough outer wall to support the paper bag.

[0052] In this embodiment, a counting gear 23 is provided at one end of the discharge section 21 away from the docking section 22. When a round cap in the discharge section 21 passes by, the teeth of the gear will engage with the edge of the round cap. Therefore, each time a round cap passes by, the gear will be pushed to rotate one tooth position. The number of circles rotated by the sensor can be used to know the number of round caps that have passed.

[0053] In this embodiment, the side of the docking section 22 away from the discharge section 21 is a slope, which is inclined downward in the direction away from the discharge section 21 to facilitate bagging; the discharge section 21 and the docking section 22 are connected at an oblique angle and smoothly to ensure the strength of the docking section 22.

[0054] In this embodiment, a pressing cylinder 11 is provided on the frame 1, and a pressing block 12 is provided at the output end of the pressing cylinder 11. The pressing block 12 is provided with an arc groove adapted to the outer wall of the docking section 22. The pressing cylinder 11 drives the pressing block 12 to press the paper bag against the outer wall of the docking section 22 to ensure that the paper bag will not fall off the loading track 2 when the round cover is pushed into the paper bag.

[0055] Reference Figures 2 to 4 As shown, the pushing unit 5 includes a first pushing mechanism 51, which includes a first pushing cylinder 511, a baffle 512 and a first lifting cylinder 513. The first lifting cylinder 513 is connected to the output end of the first pushing cylinder 511, and the first pushing cylinder 511 can drive the first lifting cylinder 513 to move along the length direction of the material placement track 2. The baffle 512 is connected to the output end of the first lifting cylinder 513, and the first lifting cylinder 513 can drive the baffle 512 to move up and down;

[0056] When in use, the first lifting cylinder 513 drives the baffle 512 to descend, so that the baffle 512 is located on the side of the round cover pile away from the docking section 22, and then the first pushing cylinder 511 is actuated to drive the first lifting cylinder 513 to approach the docking section 22. At this time, the baffle 512 gradually approaches the docking section 22, and at the same time pushes the round cover gradually into the docking section 22. When the round cover enters the docking section 22, the baffle 512 can no longer push the round cover. At this time, the first lifting cylinder 513 drives the baffle 512 to rise, and the first pushing cylinder 511 drives the first lifting cylinder 513 to reset, waiting for the next pushing.

[0057] The pushing unit 5 also includes a second pushing mechanism 52, which includes a second pushing cylinder 521, a push rod 522 and a swing structure 523. The diameter of the push rod 522 is smaller than the outer diameter of the round cover. The push rod 522 is connected to the output end of the second pushing cylinder 521. The second pushing cylinder 521 drives the push rod 522 to move along the length direction of the material placement track 2. The swing structure 523 can drive the second pushing cylinder 521 to swing.

[0058] When the round caps have entered the docking section 22, the first pushing mechanism 51 is reset, and then the swing structure 523 is started, so that the push rod 522 is aligned with the pile of round caps in the second guide groove, and the second pushing cylinder 521 drives the push rod 522 to move. Since the diameter of the push rod 522 is smaller than the outer diameter of the round caps, the push rod 522 can extend into the docking section 22 to push the round caps in the docking section 22 to move, so that the pile of round caps passes through the docking section 22 and completely enters the paper bag; then the push rod 522 retreats, and the swing structure 523 swings the second pushing cylinder 521 again, so that the push rod 522 leaves the top of the material loading track 2 to prevent the push rod 522 from affecting the movement of the baffle 512.

[0059] In this embodiment, the cylinder body of the second pushing cylinder 521 is hinged to the frame 1, and the swinging structure 523 includes a swinging cylinder, one end of which is hinged to the frame 1, and the other end of which is hinged to the cylinder body of the second pushing cylinder 521. The second pushing cylinder 521 is driven to swing by the extension and retraction of the swinging cylinder.

[0060] Reference Figure 5 As shown, the bag transfer robot 6 includes a bracket 61, a second lifting cylinder 62 and a shift cylinder 63, the second lifting cylinder 62 is connected to the output end of the shift cylinder 63, the bracket 61 is connected to the output end of the second lifting cylinder 62, a first suction cup 611 for sucking paper bags is arranged on the bracket 61, the second lifting cylinder 62 drives the bracket 61 to rise and fall, and the shift cylinder 63 drives the second lifting cylinder 62 to move;

[0061] The end of the bracket 61 close to the material loading track 2 is provided with a first bag pulling cylinder 612, the output end of the first bag pulling cylinder 612 is provided with a third lifting cylinder 613, the output end of the third lifting cylinder 613 is provided with a second suction cup 614 for sucking paper bags, the third lifting cylinder 613 drives the second suction cup 614 to rise and fall, and the first bag pulling cylinder 612 drives the third lifting cylinder 613 to approach or move away from the material loading track 2;

[0062] A second bag pulling cylinder 64 is provided on the frame 1, and the second bag pulling cylinder 64 is located below the material placement track 2. A fourth lifting cylinder 65 is provided at the output end of the second bag pulling cylinder 64, and a third suction cup 66 is provided at the output end of the fourth lifting cylinder 65. The fourth lifting cylinder 65 drives the third suction cup 66 to rise and fall, and the second bag pulling cylinder 64 drives the fourth lifting cylinder 65 to approach or move away from the material placement track 2.

[0063] When in use, the bracket 61 is first located above the paper bag storage area 4, and the second lifting cylinder 62 drives the bracket 61 to descend, allowing the first suction cup 611 to absorb the paper bag. Since it is a paper bag, the first suction cup 611 absorbs the upper side of the paper bag, so the lower side of the paper bag sags under the action of gravity, and the paper bag opens slightly. Then the second lifting cylinder 62 drives the bracket 61 to rise, and the shift cylinder 63 drives the second lifting cylinder 62 to move, allowing the bracket 61 to leave the top of the paper bag storage area 4 and reach the top of the bag feeding unit 3. Then the second lifting cylinder 62 drives the bracket 61 to descend, allowing the paper bag to enter the bag feeding unit 3; the bag feeding unit 3 further opens the opening of the paper bag, and then the third lifting cylinder 613 drives the The second suction cup 614 is driven to descend, and the second suction cup 614 sucks the upper side of the end of the paper bag close to the feeding track 2. The fourth lifting cylinder 65 drives the third suction cup 66 to rise, and the third suction cup 66 sucks the lower side of the end of the paper bag close to the feeding track 2. Then the second suction cup 614 rises and the third suction cup 66 falls to completely open the opening of the paper bag. Then the first suction cup 611 releases the paper bag, and the first bag pulling cylinder 612 and the second bag pulling cylinder 64 are actuated to allow the third lifting cylinder 613 and the fourth lifting cylinder 65 to approach the feeding track 2. The second suction cup 614 and the third suction cup 66 bring the paper bag to the docking section 22. Finally, each cylinder is reset in turn, waiting to carry the next paper bag.

[0064] Reference Figure 6 As shown, the bag feeding unit 3 includes a moving plate 31 and a bag feeding cylinder 32 for driving the moving plate 31 to move along the length direction of the material loading track 2. A support frame 33 for placing paper bags is provided on the moving plate 31. A fifth lifting cylinder 34 is provided at one end of the moving plate 31 close to the material loading track 2. A pneumatic clamp 35 is provided at the output end of the fifth lifting cylinder 34. A clamp 36 is provided on both fingers of the pneumatic clamp 35.

[0065] When the first suction cup 611 places the paper bag on the support frame 33, the fifth lifting cylinder 34 is activated to drive the pneumatic clamp 35 to rise. At this time, the paper bag is located between the two clamps 36. The pneumatic clamp 35 is activated to drive the two clamps 36 to press the paper bag, and the paper bag is further opened. When the second suction cup 614 and the third suction cup 66 drive the paper bag to approach the loading track 2, the bag feeding cylinder 32 will also be activated to allow the movable plate 31 to approach the loading track 2, thereby assisting the movement of the paper bag, and then the pneumatic clamp 35 will be reset, and the round cover can be pushed into the paper bag; after the round cover is bagged, the pneumatic clamp 35 is activated, and the clamp 36 will clamp the round covers closest to the loading track 2, and then the bag feeding cylinder 32 is activated to allow the movable plate 31 to move away from the loading track 2, so that the paper bag can be separated from the docking section 22, and the paper bag with the round cover can be taken away.

[0066] In this embodiment, a limit cylinder 37 is provided at the other end of the movable plate 31 away from the material loading track 2, and a limit block 38 for positioning the paper bag position on the support frame 33 is provided at the output end of the limit cylinder 37. The limit cylinder 37 drives the limit block 38 to move closer to or away from the material loading track 2;

[0067] Before bagging, the limit cylinder 37 is actuated to move the limit block 38 close to the feeding track 2. After the round cover enters the paper bag, it will press against the limit block 38. After the bagging of the round cover is completed, the limit cylinder 37 drives the limit block 38 away from the feeding track 2. At this time, a gap is left between the limit block 38 and the paper bag, which is convenient for external equipment to take away the paper bag.

[0068] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A dome bagging device, characterized in that: It comprises a frame, on which a material placing track, a bag feeding unit, a paper bag storage area and a material pushing unit are arranged; The material placement track is connected with the bag feeding unit in sequence, and the material placement track is used to place the round covers stacked together; A bag transfer robot is provided above the paper bag storage area, and the bag transfer robot moves the paper bags in the paper bag storage area to the bag delivery unit; The bag feeding unit is used to move the paper bag, and the bag feeding unit cooperates with the bag transfer robot to allow the open end of the paper bag to be placed on the end of the material placement track; The pushing unit is used to push the round cover stack on the placing track into the paper bag.

2. The dome bagging device according to claim 1, characterized in that: The material feeding track is divided into a feeding section and a docking section in sequence along its length direction, the docking section is used to put on paper bags, the feeding section is provided with a first guide groove, and the docking section is provided with a second guide groove, the cross section of the first guide groove in a direction perpendicular to the length of the material feeding track is a first arc section, and the cross section of the second guide groove in a direction perpendicular to the length of the material feeding track is a second arc section, the arc length of the first arc section is 1 / 2 to 3 / 5 of the circumference of the maximum outer edge of the round cover, and the arc length of the second arc section is 3 / 4 to 7 / 8 of the circumference of the maximum outer edge of the round cover.

3. The dome bagging device according to claim 2, characterized in that: The frame is provided with a pressing cylinder, the output end of the pressing cylinder is provided with a pressing block, the pressing block is provided with an arc groove adapted to the outer wall of the docking section, and the pressing cylinder drives the pressing block to press the paper bag against the outer wall of the docking section.

4. The dome bagging device according to claim 2, characterized in that: The pushing unit includes a first pushing mechanism, which includes a first pushing cylinder, a baffle and a first lifting cylinder, wherein the first lifting cylinder is connected to the output end of the first pushing cylinder, and the baffle is connected to the output end of the first lifting cylinder; The first lifting cylinder can drive the blocking piece to descend so that the blocking piece is located at a side of the dome stack away from the docking section; The first pushing cylinder can drive the first lifting cylinder to move along the length direction of the material placement track, so that the blocking piece pushes the round cover stack into the docking section.

5. The dome bagging device according to claim 4, characterized in that: The pushing unit includes a second pushing mechanism, which includes a second pushing cylinder, a push rod and a swing structure, wherein the push rod has a diameter smaller than the outer diameter of the round cover, and the push rod is connected to the output end of the second pushing cylinder; The swing structure can drive the second push cylinder to swing so that the push rod can face the round cover pile located in the second guide groove; The second pushing cylinder drives the push rod to move along the length direction of the material placement track to allow the dome stack to pass through the docking section.

6. The dome bagging device according to claim 1, characterized in that: The bag transfer robot comprises a bracket, a second lifting cylinder and a shift cylinder, wherein the second lifting cylinder is connected to the output end of the shift cylinder, the bracket is connected to the output end of the second lifting cylinder, and a first suction cup for sucking paper bags is arranged on the bracket; The second lifting cylinder drives the bracket to rise and fall, and the shift cylinder drives the second lifting cylinder to move, so that the bracket is aligned with the paper bag storage area or the bag feeding unit.

7. The dome bagging device according to claim 6, characterized in that: The bracket is provided with a first bag pulling cylinder at one end close to the material placing track, the output end of the first bag pulling cylinder is provided with a third lifting cylinder, and the output end of the third lifting cylinder is provided with a second suction cup for sucking paper bags; The third lifting cylinder drives the second suction cup to move up and down so as to make the second suction cup move closer to or away from the paper bag; The first bag pulling cylinder drives the third lifting cylinder to move closer to or away from the material placing track, so that the paper bag can be placed on the material placing track.

8. The dome bagging device according to claim 7, characterized in that: The frame is provided with a second bag pulling cylinder, the second bag pulling cylinder is located below the material placing track, the output end of the second bag pulling cylinder is provided with a fourth lifting cylinder, the output end of the fourth lifting cylinder is provided with a third suction cup for sucking paper bags; The fourth lifting cylinder drives the third suction cup to move up and down so as to make the third suction cup approach or move away from the paper bag; The second bag pulling cylinder drives the fourth lifting cylinder to approach or move away from the material placing track.

9. The dome bagging device according to claim 1, characterized in that: The bag feeding unit includes a moving plate and a bag feeding cylinder driving the moving plate to move along the length direction of the material loading track. The moving plate is provided with a support frame for placing paper bags. The end of the moving plate close to the material loading track is provided with a fifth lifting cylinder. The output end of the fifth lifting cylinder is provided with a pneumatic clamp. Both fingers of the pneumatic clamp are provided with clips. The paper bag passes through the two clips. The pneumatic clamp drives the two clips to press the paper bag to further open the paper bag.

10. The dome bagging device according to claim 9, characterized in that: A limiting cylinder is provided at the other end of the movable plate away from the material loading track, and a limiting block for locating the position of the paper bag on the supporting frame is provided at the output end of the limiting cylinder, and the limiting cylinder drives the limiting block to approach or move away from the material loading track.

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