Full-automatic bag making machine for round-bottom bags
By designing a fully automated round bottom bag making machine using air bags, support rods and inverted conical positioning structures, the problems of inaccurate positioning and lack of automation in the middle-art round bottom bag bottom bag cover in the prior art are solved, and efficient and accurate round bottom bag production is achieved.
Patent Information
- Application Number
- CN202421325229.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-12
- Publication Date
- 2025-02-28
- Estimated Expiration
- 2034-06-12
AI Technical Summary
When the existing round bottom bag bag making machine is fixed on the bottom seal, the round bottom positioning is inaccurate, which is prone to leakage, affecting product quality, and lacks automatic processing.
A fully automated bag making machine for round bottom bags is designed, using support columns, air bags, support rods and edge sealing hot-skinned plates. The cylinder structure is formed through the air bags and support rods, and combined with the inverted conical structure of the guide ring and the positioning seat, the precise positioning and fixing of the bag body and the round bottom is achieved.
The fully automated production of round bottom bags is realized, ensuring the accuracy of the bottom cover position, avoiding liquid leakage, and improving product quality and processing efficiency.
Smart Images

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Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of bag making machines, in particular to a fully automatic bag making machine for round bottom bags. Background Art
[0002] Round bottom bags are often used as liner bags for chemical barrels or round bottom inner film bags. They mainly play the role of protection, isolation, sealing, leakage prevention, corrosion prevention and moisture prevention, and can also save packaging costs.
[0003] When the existing round bottom bags are being fixed with the round bottom, if the positioning of the round bottom is not accurate, leakage may occur, affecting product quality. For example, the round bottom bag making machine disclosed in publication number CN201808242U replaces the bag body through tracks and positioning blocks, but manual belting is still required, which is not automated enough. Utility Model Content
[0004] The utility model aims to provide a fully automatic bag making machine for round bottom bags, so as to solve the problems raised by the above background technology that when the round bottom of the round bottom bags on the market are being fixed on the bottom, if the positioning of the round bottom is not accurate, liquid leakage may occur, which affects the product quality and is not sufficiently automated.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fully automatic bag-making machine for round bottom bags, comprising a bag-making machine main body, a bag body and a round bottom material, the bag-making machine main body is provided with a support column, and a circle of inflatable bags are fixed on the side of the support column, and the outer side of the inflatable bag is evenly spaced and connected with support rods, the bag body is located on both sides of the inflatable bag, and the bag body is wrapped around the outside of the support rod, and edge-sealing hot ironing plates are respectively installed at the joints between the bag bodies, so that the bag body is made into a cylindrical structure, the bag-making machine main body is also provided with a workbench, and a guide ring with an annular structure is clamped and fixed on the workbench, a positioning seat is movably clamped above the guide ring, and air outlet holes are evenly spaced on the side of the positioning seat, and the cylindrical structure made of the bag body passes through between the guide ring and the positioning seat, and the workbench is provided with symmetrical and parallel cutting knives on both sides of the positioning seat.
[0006] Preferably, a support frame supported under the workbench is provided below the bag making machine body, and the support frame is symmetrically equipped with bag conveying rollers, clamping guide rollers and limiting guide rollers on both sides of the support column.
[0007] Preferably, shaping rollers are evenly spaced apart on the side of the support rod above the edge-sealing hot stamping plate, and the shaping rollers are fixed to the support frame through a plate-like structure, and the bag body is sequentially conveyed to the gap between the guide ring and the positioning seat by the bag body conveying roller, the clamping guide roller, the limiting guide roller and the shaping roller.
[0008] Preferably, a circular bottom cutting table is also installed on the upper end of the workbench, and a rotating support rod is rotatably installed on the upper end of the workbench, and the distance between the rotating support rod and the point of the circular bottom cutting table and the point of the guide ring is equal, and the support frame is installed with circular bottom material taking-up and releasing rollers on both sides of the circular bottom cutting table, and the circular bottom material is arranged between the circular bottom material taking-up and releasing rollers.
[0009] Preferably, the upper end of the rotating support rod is fixedly connected to a fixing plate by bolts, and the lower end of the fixing plate is fixed with a hydraulic lifting mechanism by screws at even intervals, and a positioning ring is commonly fixed to the bottom of the hydraulic lifting mechanism, and a round-bottom fixed hot-stamping plate with an annular structure is installed on the outer ring of the bottom of the positioning ring, and the inner ring of the bottom of the positioning ring is provided with a groove that is snap-fitted with the upper end of the positioning seat, and adsorption holes are also evenly spaced at the groove of the inner ring of the bottom of the positioning ring.
[0010] Preferably, edge sealing clamping rollers are symmetrically provided above and below the edge sealing hot stamping plate, and the edge sealing clamping rollers are clamped on both sides of the bag body seam. A connecting plate is fixed to the outer sides of the edge sealing hot stamping plate and the edge sealing clamping rollers, and the connecting plate is rotatably connected to the edge sealing clamping rollers through a rotating shaft.
[0011] Preferably, the positioning seat is an inverted cone-shaped structure, and the upper dimension of the positioning seat is larger than the inner ring dimension of the guide ring, and a lifting mechanism is connected between the bottom of the positioning seat and the support column.
[0012] Preferably, a transverse telescopic movable mechanism is fixed on the other side of the cutting knife by screws, and the transverse telescopic movable mechanism is vertically arranged relative to the lifting mechanism, and the transverse telescopic movable mechanism is fixed on the workbench by a plate-like structure.
[0013] Compared with the prior art, the utility model has the following beneficial effects: the fully automated bag making machine for round bottom bags can automatically load and unload round bottom bags, ensure the accuracy of the bottom sealing position of the round bottom bags, and avoid the problem of bottom sealing position errors affecting the quality. The fully automated bag making machine for round bottom bags guides the bag body through the positioning seat with an inverted cone structure and the guide ring with a circular ring structure, so that the bag body can be transported stably, and an air outlet is provided on the side of the positioning seat for shaping the edge sealing part of the bag body, and the positioning ring is used to fix the round bottom by adsorption, and the edge sealing fixing process between the bag body and the round bottom is achieved through the clamping of the positioning ring and the positioning seat, thereby improving the processing quality. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a bottom view of a fully automatic round bottom bag making machine of the utility model;
[0015] Figure 2 This is the front view of a fully automatic round bottom bag making machine of the utility model;
[0016] Figure 3 This utility model is a fully automatic round bottom bag making machine Figure 2 The enlarged structural diagram at A in the middle;
[0017] Figure 4 This is a schematic diagram of the connection structure between the inflatable bag and the support rod of a fully automatic round bottom bag making machine of the utility model;
[0018] Figure 5 This utility model is a fully automatic round bottom bag making machine Figure 4 The enlarged structural diagram at B in the middle;
[0019] Figure 6 The utility model is a bottom view of a positioning ring of a fully automatic round bottom bag making machine.
[0020] In the figure: 1. Bag making machine body; 2. Bag conveying roller; 3. Clamping guide roller; 4. Bag body; 5. Limiting guide roller; 6. Edge sealing clamping roller; 7. Shaping roller; 8. Support rod; 9. Inflatable bag; 10. Connecting plate; 11. Round bottom material; 12. Workbench; 13. Rotating support rod; 14. Support column; 15. Round bottom material taking-up and releasing roller; 16. Positioning seat; 17. Guide ring; 18. Edge sealing hot ironing plate; 19. Support frame; 20. Air outlet; 21. Hydraulic lifting mechanism; 22. Fixed plate; 23. Positioning ring; 24. Round bottom cutting table; 25. Lifting mechanism; 26. Adsorption air hole; 27. Round bottom fixed hot ironing plate; 28. Cutting knife; 29. Horizontal telescopic moving mechanism. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0022] See also Figure 1-6The utility model provides a technical solution: a fully automatic bag making machine for round bottom bags, comprising a bag making machine body 1, a bag body 4 and a round bottom material 11, a support frame 19 supported under a workbench 12 is provided below the bag making machine body 1, and the support frame 19 is symmetrically installed with bag body conveying rollers 2, clamping guide rollers 3 and limiting guide rollers 5 on both sides of a support column 14, this structure allows the bag body 4 to be fed and conveyed through the bag body conveying rollers 2, the clamping guide rollers 3 and the limiting guide rollers 5, a support column 14 is provided on the bag making machine body 1, and a circle of inflatable bags 9 are fixed on the side of the support column 14, and support rods 8 are evenly spaced and connected to the outer side of the inflatable bags 9, the bag bodies 4 are located on both sides of the inflatable bags 9, and the bag bodies 4 are covered on the outside of the support rods 8, and the space between the bag bodies 4 The edge-sealing hot-stamping plates 18 are respectively installed at the joints, and edge-sealing clamping rollers 6 are symmetrically arranged on the upper and lower parts of the edge-sealing hot-stamping plates 18, and the edge-sealing clamping rollers 6 are clamped on both sides of the joint of the bag body 4. A connecting plate 10 is fixed to the outer sides of the edge-sealing hot-stamping plates 18 and the edge-sealing clamping rollers 6, and the connecting plate 10 is rotatably connected to the edge-sealing clamping rollers 6 through a rotating shaft. This structure can clamp and position the edge-sealing area of the edge-sealing hot-stamping plates 18 through the edge-sealing clamping rollers 6 to ensure the accurate position of the joints, so that the bag body 4 is made into a cylindrical structure, and molding rollers 7 are evenly spaced on the side of the support rod 8 above the edge-sealing hot-stamping plates 18, and the molding rollers 7 are fixed on the support frame 19 through a plate-like structure, and the bag body 4 is composed of a bag body conveying roller 2, a clamping guide roller 3, a limiting guide roller 5 and a molding roller 7 is sequentially transmitted to the gap between the guide ring 17 and the positioning seat 16. This structure enables the molding roller 7 to make the bag body 4 made into a cylindrical structure fit the support rod 8, so that the bag body 4 is transmitted upward from the gap between the guide ring 17 and the positioning seat 16. A workbench 12 is also provided on the bag making machine body 1, and a round bottom cutting table 24 is also installed on the upper end of the workbench 12. A rotating support rod 13 is rotatably installed on the upper end of the workbench 12, and the distance between the rotating support rod 13 to the point of the round bottom cutting table 24 and the point of the guide ring 17 is equal. The support frame 19 is equipped with round bottom material taking-up and releasing rollers 15 on both sides of the round bottom cutting table 24, and the round bottom material 11 is arranged between the round bottom material taking-up and releasing rollers 15. This structure can cut and position the round bottom of the round bottom material 11 through the round bottom cutting table 24 Processing, the rotating support rod 13 can make the positioning ring 23 move above the round bottom cutting table 24 and the guide ring 17 to realize the conveying processing of the round bottom, the upper end of the rotating support rod 13 is fixedly connected with the fixing plate 22 by bolts, and the lower end of the fixing plate 22 is evenly fixed with a hydraulic lifting mechanism 21 by screws, and the bottom of the hydraulic lifting mechanism 21 is jointly fixed with a positioning ring 23, and the outer ring of the bottom of the positioning ring 23 is installed with a round bottom fixing hot plate 27 of an annular structure, and the inner ring of the bottom of the positioning ring 23 is provided with a groove that is snap-fitted with the upper end of the positioning seat 16, and the groove of the inner ring of the bottom of the positioning ring 23 is also evenly spaced with adsorption holes 26. This structure enables the positioning ring 23 to convey the cut round bottom through gas adsorption under the action of the air pump.The fixing of the round bottom is firmly positioned by the clamping cooperation between the positioning ring 23 and the upper end of the positioning seat 16, and the bag body 4 and the round bottom material 11 are fixed by the round bottom fixing hot ironing plate 27 to realize the production of the round bottom bag. The hydraulic lifting mechanism 21 is used for lifting and moving processing to avoid the influence of the cutting knife 28 on the hydraulic lifting mechanism 21, and when the bag body 4 and the round bottom material 11 are fixed, pressure can be applied by lifting and lowering to improve the tightness of the connection between the bag body 4 and the round bottom material 11, and a guide ring 17 with an annular structure is clamped and fixed on the workbench 12, and a positioning seat 16 is movably clamped above the guide ring 17. The positioning seat 16 is an inverted cone structure, and the size of the upper part of the positioning seat 16 is larger than the inner ring size of the guide ring 17, and a lifting mechanism 25 is connected between the bottom of the positioning seat 16 and the support column 14 This structure makes the top of the positioning seat 16 always at the upper end of the guide ring 17, and positions the end of the cylindrical structure formed by the bag body 4 so as to fix the bag body 4 and the round bottom material 11. The side of the positioning seat 16 is evenly spaced with air outlet holes 20, which are located on the side and cone of the positioning seat 16, and the cylindrical structure made of the bag body 4 passes between the guide ring 17 and the positioning seat 16. The workbench 12 is equipped with symmetrical and parallel cutting knives 28 on both sides of the positioning seat 16. The other side of the cutting knives 28 is fixed with a transverse telescopic moving mechanism 29 by screws, and the transverse telescopic moving mechanism 29 is relatively vertically arranged with the lifting mechanism 25, and the transverse telescopic moving mechanism 29 is fixed on the workbench 12 through a plate-like structure. This structure enables the cutting knife 28 to cut the bag body 4.
[0023] Working principle: When using the fully automatic round bottom bag making machine, the bag body 4 first passes through the guide of the clamping guide roller 3 and the limiting guide roller 5 from the bag body conveying roller 2 to the support rod 8. The support rod 8 adjusts the size of the cylindrical structure by the inflation and deflation of the air bag 9. The joint seams of the bag bodies 4 on both sides are clamped between the edge sealing clamping rollers 6, and the edge sealing and fixing treatment is carried out by the edge sealing hot ironing plate 18. Then, it is guided by the shaping roller 7 to the gap between the guide ring 17 and the positioning seat 16. At this time, the conveyance of the bag body 4 is stopped. , then the bottom is sealed and fixed, the round bottom material 11 is transferred to the round bottom cutting table 24 through the round bottom material taking-up and unloading roller 15, and the round bottom is cut through the round bottom cutting table 24, the support rod 13 is rotated to make the fixing plate 22 drive the positioning ring 23 to rotate and move to the top of the round bottom cutting table 24 through the hydraulic lifting mechanism 21, and then the positioning ring 23 is sucked through the adsorption air hole 26 to achieve the adsorption and fixation of the round bottom, and then the support rod 13 is rotated to rotate the positioning ring 23 to the top of the positioning seat 16, at this time, the hydraulic lifting mechanism 21 makes the positioning ring The positioning ring 23 moves downward to allow the bag body 4 to be spliced with the round bottom material 11. At this time, the positioning ring 23 is clamped and positioned with the positioning seat 16, and then the round bottom fixing hot plate 27 fixes the bag body 4 and the round bottom material 11 to complete the bottom sealing. When the positioning ring 23 moves again to the top of the round bottom cutting table 24 to take the round bottom material, the lifting mechanism 25 moves the positioning seat 16 upward to allow the bottom sealing end of the bag body 4 to be transmitted by clamping and traction. When it moves to the required length, the positioning seat 16 moves downward to realize the positioning of the bag body 4, and then extends horizontally. The shrinking and moving mechanism 29 drives the cutting knife 28 to move and cut the bag body 4. The gas discharged from the air outlet 20 makes the edge of the bag body 4 face downward so as to fix the round bottom again. The support column 14 fixes the support rod 8 through the inflatable bag 9. The support frame 19 supports and stabilizes the workbench 12. The connecting plate 10 relatively connects and stabilizes the edge sealing clamping roller 6 and the edge sealing hot stamping plate 18, thereby completing the efficient automatic production of round bottom bags of the bag making machine main body 1, thereby completing a series of tasks.
[0024] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.
Claims
1. A fully automatic round bottom bag making machine, comprising a bag making machine body (1), a bag body (4) and a round bottom material (11), characterized in that: The bag making machine body (1) is provided with a support column (14), and a circle of inflatable bags (9) are fixed on the side of the support column (14), and the outer side of the inflatable bags (9) is evenly spaced and connected with support rods (8), the bag body (4) is located on both sides of the inflatable bags (9), and the bag body (4) is covered on the outside of the support rods (8), and edge sealing hot ironing plates (18) are respectively installed at the seams between the bag bodies (4), so that the bag body (4) is made into a cylindrical structure, and the bag making machine body (1) is also provided with a workbench (12), and a guide ring (17) of an annular structure is fixedly engaged on the workbench (12), a positioning seat (16) is movably engaged above the guide ring (17), and air outlet holes (20) are evenly spaced on the side of the positioning seat (16), and the cylindrical structure made of the bag body (4) passes between the guide ring (17) and the positioning seat (16), and the workbench (12) is installed with symmetrical and parallel cutting knives (28) on both sides of the positioning seat (16).
2. The fully automatic round bottom bag making machine according to claim 1, characterized in that: A support frame (19) supported below the workbench (12) is provided below the bag making machine body (1), and bag conveying rollers (2), clamping guide rollers (3) and limiting guide rollers (5) are symmetrically mounted on both sides of the support column (14) of the support frame (19).
3. The fully automatic round bottom bag making machine according to claim 2, characterized in that: The side of the support rod (8) is evenly spaced with molding rollers (7) above the edge-sealing hot stamping plate (18), and the molding rollers (7) are fixed to the support frame (19) through a plate-like structure, and the bag body (4) is sequentially conveyed to the gap between the guide ring (17) and the positioning seat (16) by the bag body conveying roller (2), the clamping guide roller (3), the limiting guide roller (5) and the molding roller (7).
4. The fully automatic round bottom bag making machine according to claim 3, characterized in that: A round bottom cutting table (24) is also installed on the upper end of the workbench (12), and a rotating support rod (13) is rotatably installed on the upper end of the workbench (12), and the distance between the rotating support rod (13) and the point of the round bottom cutting table (24) is equal to the distance between the point of the guide ring (17), and the support frame (19) is installed with round bottom material taking-up and discharging rollers (15) on both sides of the round bottom cutting table (24), and the round bottom material (11) is arranged between the round bottom material taking-up and discharging rollers (15).
5. The fully automatic round bottom bag making machine according to claim 4, characterized in that: The upper end of the rotating support rod (13) is fixedly connected to a fixing plate (22) by means of bolts, and the lower end of the fixing plate (22) is evenly spacedly fixed with a hydraulic lifting mechanism (21) by means of screws, and a positioning ring (23) is fixed to the bottom of the hydraulic lifting mechanism (21), and a circular bottom fixing hot plate (27) of an annular structure is installed on the outer ring of the bottom of the positioning ring (23), and a groove is provided on the inner ring of the bottom of the positioning ring (23) for clamping with the upper end of the positioning seat (16), and adsorption holes (26) are evenly spaced at the groove of the inner ring of the bottom of the positioning ring (23).
6. The fully automatic round bottom bag making machine according to claim 1, characterized in that: The edge sealing hot stamping plate (18) is symmetrically provided with edge sealing clamping rollers (6) at the upper and lower parts, and the edge sealing clamping rollers (6) are clamped at two sides of the seam of the bag body (4); a connecting plate (10) is fixed to the outer sides of the edge sealing hot stamping plate (18) and the edge sealing clamping rollers (6), and the connecting plate (10) is rotatably connected to the edge sealing clamping rollers (6) via a rotating shaft.
7. The fully automatic round bottom bag making machine according to claim 1, characterized in that: The positioning seat (16) is an inverted cone-shaped structure, and the upper dimension of the positioning seat (16) is larger than the inner circle dimension of the guide ring (17), and a lifting mechanism (25) is connected between the bottom of the positioning seat (16) and the support column (14).
8. The fully automatic round bottom bag making machine according to claim 1, characterized in that: A transverse telescopic movable mechanism (29) is fixed to the other side of the cutting knife (28) via screws, and the transverse telescopic movable mechanism (29) is arranged vertically relative to the lifting mechanism (25), and the transverse telescopic movable mechanism (29) is fixed to the workbench (12) via a plate-like structure.
Citation Information
Patent Citations
Round-bottom bag making machine
CN201808242U