Bag opening and shaping device for chemical fertilizer packaging production line
By combining the first push rod and the shaping rod of the bag-supporting and shaping device in the fertilizer packaging production line, the dents in the packaging bags are automatically eliminated, solving the problem of manual shaping, improving production efficiency and extending the service life of the equipment.
Patent Information
- Application Number
- CN202520720825.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-16
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-04-16
AI Technical Summary
In the fertilizer packaging process, dents in the packaging bags cause poor sewing and poor product appearance. Existing technology relies on manual shaping, which consumes human resources.
Design a bag-supporting and shaping device for a fertilizer packaging production line. The first telescopic rod of the first push rod device is inserted into the top of the packaging bag and moves outward to eliminate the dent. The shaping rod contacts the dent inside the packaging bag to prevent direct wear and extend the life of the device.
It automatically eliminates dents in packaging bags, reduces manual intervention, improves production efficiency, and extends equipment lifespan.
Smart Images

Figure CN223949558U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to chemical fertilizer production equipment technical field especially relates to a chemical fertilizer packaging production line bagging shaping device. BACKGROUND
[0002] When producing compound fertilizer, the compound fertilizer particles need to be loaded into the packaging bag for sewing and sealing. Before sewing and sealing, the top of the packaging bag needs to be clamped together by a clamping device. When clamping, referring to Figure 5 , there are recesses 81 on both sides of part of the packaging bag 80. If these recesses are not treated, the top of the packaging bag will have wrinkles after being clamped by the clamping device, which will cause the sewing to be not smooth and will cause the wrinkles to be fixed after sewing, affecting the appearance of the product. At present, in order to solve this problem, a worker is arranged to stand by, and after the wrinkles are found, the packaging bag is manually stretched flat. This way occupies manual labor. SUMMARY
[0003] The technical problem to be solved by the utility model is to solve the problems in the above background and provide a chemical fertilizer packaging production line bagging shaping device. The first extension rod of the first push rod device is inserted into the top of the packaging bag, and then the first push rod device moves outward by a distance to eliminate the recesses on the packaging bag, so as to not occupy manual labor.
[0004] To solve the above technical problems, the utility model adopts the following technical scheme: a chemical fertilizer packaging production line bagging shaping device, comprising two directional reciprocating supporting seats, two first push rod devices are respectively installed on the two supporting seats, and the first extension rod of the first push rod device extends downward from the supporting seat.
[0005] The supporting seat is installed on the support through a directional sliding structure, the two ends of the support are respectively provided with mounting plates, the second push rod device is transversely installed outside the mounting plate, and the second extension rod of each second push rod device is connected with the corresponding supporting seat.
[0006] The directional sliding structure comprises linear guides and sliding blocks, the two linear guides are parallel and are spaced apart and are installed on the support, the lower side of the supporting seat is provided with a sliding block at the position corresponding to the two linear guides, and the sliding block is slidingly installed on the linear guide.
[0007] The supporting seat comprises a bottom plate and a side plate, the side plate is fixedly connected to one side of the bottom plate close to the second push rod device, the side plate is provided with a mounting hole, and the screw rod segment at the end of the second extension rod passes through the mounting hole and is then fixed by installing a nut.
[0008] The first push rod device comprises one of an electric push rod, an air cylinder and a hydraulic oil cylinder.
[0009] The second push rod device comprises one of an electric push rod, a pneumatic cylinder and a hydraulic cylinder.
[0010] The shaping rod is longitudinally slidably installed on the support base and located outside the support base, and the lower end of the shaping rod is connected and fixed with the end of the first telescopic rod of the first push rod device through a connecting block.
[0011] The top of the connecting block is provided with two insertion holes, the bottom of the connecting block is provided with a tapered portion, the connecting block is provided with locking holes at positions corresponding to the two insertion holes, the first telescopic rod and the shaping rod are respectively inserted into the two insertion holes, the first telescopic rod and the shaping rod are respectively provided with corresponding holes corresponding to the locking holes, and two insertion pins are respectively inserted into the corresponding locking holes and corresponding holes of the first telescopic rod and the shaping rod.
[0012] The support base is provided with a guide sleeve, and the shaping rod slides through the guide sleeve.
[0013] The utility model has the advantages of the following:
[0014] 1、 the utility model discloses a first telescopic rod of two first push rod devices is inserted from the top of the packaging bag, then the support base is loaded with the first push rod device and moves outward for a distance, and the recess on the packaging bag is eliminated, so that manual work is not occupied.
[0015] 2、 the utility model discloses that the support base is also longitudinally slidably installed with the shaping rod, and the shaping rod is located outside the support base, and the lower end of the shaping rod is connected and fixed with the end of the first telescopic rod of the first push rod device through a connecting block, so that the shaping rod is driven to move up and down under the drive of the first push rod device, and the shaping rod is in contact with the pointed part inside the recess of the packaging bag during shaping, so as to prevent direct wear of the first telescopic rod and prolong the service life of the first push rod device. BRIEF DESCRIPTION OF DRAWINGS
[0016] The utility model will be further described below in combination with the drawings and examples.
[0017] Figure 1 It is the front view structural schematic drawing of the utility model.
[0018] Figure 2 It is the right view structural schematic drawing of the utility model.
[0019] Figure 3 It is Figure 1 It is the A-A section view structural schematic drawing.
[0020] Figure 4 It is the three-dimensional structural schematic drawing of the connecting block of the utility model.
[0021] Figure 5 It is the state diagram when the packaging bag passes below the device during use of the utility model.
[0022] Figure 6 For the utility model for use, the first telescopic rod is inserted into the packaging bag from the top of the packaging bag.
[0023] Figure 7 For the utility model for use, the first push rod device moves outward, and the recess on the packaging bag is eliminated.
[0024] Reference signs
[0025] Support seat 10, bottom plate 11, side plate 12, mounting hole 13, guide sleeve 14;
[0026] First push rod device 20, first telescopic rod 21;
[0027] Shaping rod 30;
[0028] Connecting block 40, taper part 41, insertion hole 42, locking hole 43, bolt 44;
[0029] Sliding structure 50, linear guide rail 51, sliding block 52;
[0030] Second push rod device 60, second telescopic rod 61;
[0031] Support 70, mounting plate 71;
[0032] Packaging bag 80, recess 81. DETAILED DESCRIPTION
[0033] Example 1:
[0034] As Figures 1-3 , 5-7 shows a kind of chemical fertilizer packaging production line bagging shaping device, including two directional reciprocating support seat 10, two support seat 10 are respectively equipped with first push rod device 20 by bolt, support seat 10 has through-hole, and the first telescopic rod 21 of first push rod device 20 passes through through-hole and extends downward support seat 10.Using, the first telescopic rod 21 of two first push rod device 20 is inserted from the top of packaging bag 80, then support seat 10 is loaded with first push rod device 20 and moves a distance outward, and the recess 81 on packaging bag 80 is eliminated, so as not to occupy artificial.
[0035] In the embodiment, referring to Figures 1-3 , support seat 10 is installed on support 70 by directional sliding structure 50, both ends of support 70 are respectively equipped with mounting plate 71, and second push rod device 60 is transversely installed on the outside of mounting plate 71 by bolt, and mounting plate 71 has through-hole, and the second telescopic rod 61 of each side second push rod device 60 is connected with the support seat 10 of corresponding side.By the above structure, support seat 10 can be realized directional reciprocating movement by second push rod device 60.
[0036] Specifically, the directional sliding structure 50 comprises linear guides 51 and sliding blocks 52, two of the linear guides 51 are installed in parallel and at intervals on a bracket 70, and the lower side of the support base 10 is provided with the sliding blocks 52 at positions corresponding to the two linear guides 51, respectively, and the sliding blocks 52 are slidingly installed on the linear guides 51.
[0037] In order to facilitate the connection of the second telescopic rod 61 with the support base 10, specifically, referring to Figure 1 , 3 , the support base 10 comprises a bottom plate 11 and a side plate 12, the side plate 12 is fixedly connected to one side of the bottom plate 11 close to the second push rod device 60, the side plate 12 is provided with a mounting hole 13, and the screw rod segment at the end of the second telescopic rod 61 passes through the mounting hole 13 and is then fixed by installing a nut.
[0038] In this embodiment, the first push rod device 20 comprises one of an electric push rod, a pneumatic cylinder and a hydraulic cylinder. The second push rod device 60 comprises one of an electric push rod, a pneumatic cylinder and a hydraulic cylinder.
[0039] Embodiment 2:
[0040] Since the first telescopic rod 21 is part of the first push rod device 20, the first telescopic rod 21 will be in long-term contact with the sharp part inside the recess 81 of the packaging bag 80, which will cause the surface of the first telescopic rod 21 to wear out, reducing the service life of the first push rod device 20.
[0041] Therefore, referring to Figures 1-3 , on the basis of Embodiment 1, a shaping rod 30 is also longitudinally slidingly installed on the support base 10, the shaping rod 30 is located on the outer side of the support base 10, the lower end of the shaping rod 30 is connected and fixed with the end of the first telescopic rod 21 of the first push rod device 20 through the connecting block 40, so that the shaping rod 30 is driven to move up and down under the drive of the first push rod device 20, and the shaping rod 30 is located on the outer side of the first telescopic rod 21, i.e. close to the side of the second push rod device 60. During shaping, the shaping rod 30 is in contact with the sharp part inside the recess 81 of the packaging bag 80, thereby preventing direct wear of the first telescopic rod 21 and prolonging the service life of the first push rod device 20.
[0042] In this embodiment, referring to Figure 4The top of the connecting block 40 is provided with two insertion holes 42, the bottom of the connecting block 40 is provided with a tapered portion 41, the connecting block 40 is provided with a locking hole 43 at the position corresponding to the two insertion holes 42 respectively, the first telescopic rod 21 and the shaping rod 30 are inserted into the two insertion holes 42 respectively, the first telescopic rod 21 and the shaping rod 30 are provided with corresponding holes corresponding to the locking holes 43 respectively, and the two insertion pins 44 are inserted into the corresponding locking holes 43 and the corresponding holes of the first telescopic rod 21 and the shaping rod 30 respectively. By arranging the insertion holes 42 and the locking holes 43, the first telescopic rod 21 and the shaping rod 30 are conveniently connected and fixed with the connecting block 40. The tapered portion 41 is arranged, so that the bottom of the connecting block 40 is narrower, and the insertion into the packaging bag 80 is facilitated.
[0043] In the embodiment, the insertion pin 44 is an elastic cylindrical pin.
[0044] Further, a guide sleeve 14 is arranged on the support base 10, and the shaping rod 30 slides through the guide sleeve 14. The flexibility of the connection between the shaping rod 30 and the support base 10 is improved. The guide sleeve 14 is prior art, and when the guide sleeve 14 is arranged, a through hole is arranged on the support base 10, and the flange at the end of the guide sleeve 14 is bolted and fixed with the support base 10.
[0045] The action process or principle of the utility model is as follows:
[0046] In use, referring to Figure 5 , the bag shaping device is arranged above the upper production line, when the packaging bag 80 passes below the bag shaping device, the packaging bag 80 is detected by the proximity switch on the production line and is stopped at the position below the bag shaping device, and at this time, the shaping rods 30 on the two sides are in the close position.
[0047] Then, referring to Figure 6 , the first telescopic rod 21 of the first push rod device 20 is controlled to extend downward, and the shaping rod 30 is synchronously driven to extend into the packaging bag 80, and after extending to a length, the first push rod device 20 is controlled to stop.
[0048] Then, referring to Figure 7 , the second telescopic rod 61 of the second push rod device 60 is controlled to retract, at this time, the support bases 10 on the two sides are moved away from each other by a distance, and then the second push rod device 60 is controlled to stop, and in this process, the concave portion 81 is eliminated from the inside of the packaging bag 80 by the shaping rod 30.
[0049] Then, the first telescopic rod 21 of the first push rod device 20 is controlled to retract upward and leave the packaging bag 80. Then, the second telescopic rod 61 of the second push rod device 60 is controlled to extend, so that the shaping rod 30 is reset to the close position and waits for the next shaping.
Claims
1. A bag-supporting and shaping device for a fertilizer packaging production line, characterized in that: Two support seats (10) are arranged to move in a directional reciprocating manner, and a first push rod device (20) is arranged on each of the two support seats (10), and a first telescopic rod (21) of the first push rod device (20) extends downward from the support seat (10).
2. The bag supporting and shaping device for a chemical fertilizer packaging production line according to claim 1, characterized in that: The support seat (10) is arranged on a support frame (70) through a directional sliding structure (50), and the support frame (70) is provided with a mounting plate (71) at each end, and a second push rod device (60) is arranged on the outer side of the mounting plate (71) in a transverse manner, and a second telescopic rod (61) of the second push rod device (60) on each side is connected to the corresponding support seat (10).
3. The bag opening and shaping device for a chemical fertilizer packaging production line according to claim 2, characterized in that: The directional sliding structure (50) comprises linear guides (51) and sliding blocks (52), and the two linear guides (51) are arranged on the support frame (70) in parallel and at intervals, and the lower side of the support seat (10) is provided with a sliding block (52) at the position corresponding to each of the two linear guides (51), and the sliding block (52) is slidingly arranged on the linear guide (51).
4. The bag opening and shaping device for a chemical fertilizer packaging production line according to claim 2, characterized in that: The support seat (10) comprises a bottom plate (11) and a side plate (12), and the side plate (12) is fixed to one side of the bottom plate (11) close to the second push rod device (60), and the side plate (12) is provided with a mounting hole (13), and a screw rod segment at the end of the second telescopic rod (61) passes through the mounting hole (13) and is then fixed by a nut.
5. The bag opening device for a chemical fertilizer packaging production line according to claim 1, characterized in that: The first push rod device (20) comprises one of an electric push rod, an air cylinder and a hydraulic cylinder.
6. The bag opening device according to claim 2, wherein: The second push rod device (60) comprises one of an electric push rod, an air cylinder and a hydraulic cylinder.
7. The bag opening and shaping device for a chemical fertilizer packaging production line according to any one of claims 1 to 6, characterized in that: The support seat (10) is further provided with a shaping rod (30) arranged to slide longitudinally thereon, and the shaping rod (30) is arranged on the outer side of the support seat (10), and the lower end of the shaping rod (30) is connected and fixed to the end of the first telescopic rod (21) of the first push rod device (20) through a connecting block (40).
8. The bag opening and shaping device for a chemical fertilizer packaging production line according to claim 7, characterized in that: The top of the connecting block (40) is provided with two insertion holes (42), the bottom of the connecting block (40) is provided with a tapered portion (41), the connecting block (40) is provided with a locking hole (43) at the position corresponding to each of the two insertion holes (42), the first telescopic rod (21) and the shaping rod (30) are respectively inserted into the two insertion holes (42), the first telescopic rod (21) and the shaping rod (30) are respectively provided with corresponding holes corresponding to the locking holes (43), and two insertion pins (44) are respectively inserted into the corresponding locking holes (43) and the corresponding holes of the first telescopic rod (21) and the shaping rod (30).
9. The bag opening device according to claim 7, wherein: The support seat (10) is provided with a guide sleeve (14), and the shaping rod (30) slides through the guide sleeve (14).