Winding drum material butt joint mechanism of automatic woven bag cutting machine

Abstract

The utility model discloses an automatic woven bag cutting machine winding drum material butt joint mechanism which comprises a material barrel needing to be supplemented and replaced and a detachable hollow roller penetrating through the center of the material barrel, a detachable middle shaft rod penetrates through the center of the hollow roller, the middle shaft rod is rotatably arranged in bearings arranged on the two sides of a butt joint support in a penetrating mode, and a side locking shaft rod penetrates through one side of the middle shaft rod. Side locking blocks capable of inwards compressing and sliding are arranged on the side faces of the side locking shaft rods, the side locking blocks pop out of the side locking shaft rods to be clamped and locked with the inner wall of the hollow roller, disassembly and replacement of the hollow roller can be completed without disassembly and assembly of butt joint supports on the two sides, the convenience of equipment is effectively improved, and the labor cost during material replacement is reduced.

Description

Technical Field

[0001] The utility model relates to the field of roller machinery, in particular to a roll material docking mechanism of an automatic woven bag cutting machine. Background Art

[0002] The roll material docking mechanism of the automatic woven bag cutting machine is a device fixed at the front end of the frame of the automatic woven bag cutting machine. It is mainly composed of a fixed frame, a working platform, a roller and a barrel. The design purpose of this device is to achieve automatic docking of roll materials to improve production efficiency and reduce the need for manual operation;

[0003] In the prior art, the barrel and the center roller in the roll material docking mechanism of the automatic woven bag cutting machine are integrated. After the material on the barrel is used up, it is necessary to remove the mounting plates of the docking brackets on both sides before the barrel can be removed from the docking bracket for replacement. After the replacement is completed, the docking brackets on both sides need to be calibrated and positioned again before installation. The barrel disassembly process is complicated and the labor cost of debugging and installation is high. Utility Model Content

[0004] The purpose of the utility model is to solve any one of the problems in the above-mentioned technologies, thereby proposing a roll material docking mechanism for an automatic woven bag cutting machine.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a roll material docking mechanism of an automatic bag cutting machine for woven bags, including a material barrel that needs to be replenished and replaced and a detachable hollow roller passed through the center thereof, a detachable central axis rod passed through the center of the hollow roller, the central axis rod is rotatably passed through bearings arranged on both sides of a docking bracket, a side locking shaft rod is passed through one side of the central axis rod, a side locking block that can be compressed and slid inwardly is arranged on the side of the side locking shaft rod, and the side locking block pops out of the side locking shaft rod and is clamped and locked with the inner wall of the hollow roller.

[0006] Furthermore, the hollow roller is a round shaft rod with round cones on both sides, a central shaft hole is provided at the center of the side of the hollow roller, a hollow cavity is provided inside the hollow roller, and the central shaft rod is inserted into the central shaft hole.

[0007] Furthermore, the central axis rod is in the shape of a circular tube, one side of the central axis rod is a docking hole, the other side of the central axis rod is a limit platform, side notches are opened on the upper and lower sides of the side wall of the central axis rod close to the docking hole, and the side locking axis rod is inserted into the docking hole.

[0008] Furthermore, the top of the side lock shaft rod is a circular ring platform, below the circular ring platform is an external threaded rod with screw threads, below the external threaded rod is a smooth shaft rod, and the middle section of the smooth shaft rod is provided with a trapezoidal hollow chamber-shaped compression chamber with openings on both sides.

[0009] Furthermore, a fastening nut is sleeved on the outer threaded rod of the side lock shaft rod and is meshed with the outer threaded rod through threaded threads.

[0010] Furthermore, a right-angled trapezoidal side locking block is symmetrically distributed on both sides in the compression chamber of the side locking shaft, a countersunk circular hole is arranged at the center of the back side of the side locking block, and a spring is embedded between the countersunk circular holes of the side locking blocks on both sides.

[0011] The beneficial effects of the utility model are as follows: the side lock shaft rod is rotatably inserted into the docking hole of the middle shaft rod, and a side lock block is arranged in the compression chamber of the side lock shaft rod. When the side lock block of the side lock shaft rod is rotatably inserted into the side notch of the middle shaft rod, the fastening nut is screwed tightly so that the fastening nut abuts against the bearing on the left side of the docking bracket, and the side lock block of the side lock shaft rod pops out and the middle shaft rod is clamped with the inner wall of the hollow roller to achieve interlocking and clamping with the fastening nut. When the hollow roller needs to be disassembled, it only needs to loosen the fastening nut. , the side lock shaft rod is pushed toward the middle shaft rod, the inclined surface of the side lock block of the side lock shaft rod is against the side notch of the middle shaft rod, the side lock block is compressed and pushed into the side lock shaft rod, and the side lock shaft rod is rotated 180 degrees to stagger the side lock block and the side notch, and the side lock shaft rod and the middle shaft rod are pulled out from both sides of the docking bracket to complete the disassembly of the hollow roller, so that the hollow roller can be disassembled and replaced without loading and unloading the docking brackets on both sides, which effectively improves the convenience of the equipment and reduces the labor cost when changing materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0013] Figure 2 It is a cross-sectional view of the utility model as a whole;

[0014] Figure 3 This is a schematic diagram of the installation of the side lock shaft rod of the utility model;

[0015] Figure 4 This is a cross-sectional view of the installation of the side lock shaft rod of the utility model;

[0016] Figure 5 It is a cross-sectional view of the hollow roller of the utility model;

[0017] Figure 6 It is a structural schematic diagram of the central axis rod of the utility model;

[0018] Figure 7 It is a structural schematic diagram of the side lock shaft rod of the utility model.

[0019] exist Figures 1 to 7 The corresponding relationship between the component names or lines and the figure numbers is: barrel 1, hollow roller 2, hollow cavity 21, central axis hole 22, docking bracket 3, bearing 4, central axis rod 5, docking hole 51, side notch 52, limit platform 53, side locking shaft rod 6, circular ring platform 61, external tooth rod 62, compression chamber 63, fastening nut 7, side locking block 8, spring 9. DETAILED DESCRIPTION

[0020] Please refer to Figures 1 to 7 ;

[0021] The present embodiment provides a roll material docking mechanism for an automatic bag cutting machine for woven bags, including a material barrel 1 that needs to be replenished and replaced and a detachable hollow roller 2 passed through the center thereof, a detachable central axis rod 5 passed through the center of the hollow roller 2, the central axis rod 5 is rotatably passed through bearings 4 set on both sides of a docking bracket 3, a side locking shaft rod 6 is passed through one side of the central axis rod 5, a side locking block 8 that can be compressed and slid inward is set on the side of the side locking shaft rod 6, and the side locking block 8 pops out of the side locking shaft rod 6 and is clamped and locked with the inner wall of the hollow roller 2.

[0022] Preferably, the hollow roller 2 is a round shaft rod with truncated cones on both sides, a central shaft hole 22 is provided at the center of the side surface of the hollow roller 2, a hollow cavity 21 is provided inside the hollow roller 2, and the central shaft rod 5 is inserted into the central shaft hole 22.

[0023] Preferably, the central axis rod 5 is in a circular tube shape, one side of the central axis rod 5 is a docking hole 51, the other side of the central axis rod 5 is a limit platform 53, and side notches 52 are provided on the upper and lower side walls of the central axis rod 5 close to the docking hole 51, and the side locking axis rod 6 is inserted into the docking hole 51.

[0024] In a specific embodiment, the central axis rod 5 passes through the hollow roller 2 from the bearing 4 on one side of the docking bracket 3 and is inserted into the bearing 4 on the other side. The limit platform 53 of the central axis rod 5 is embedded and mounted on the outer side of the bearing 4 to realize the installation and alignment of the central axis rod 5.

[0025] Preferably, the top of the side lock shaft rod 6 is a circular ring platform 61, below the circular ring platform 61 is an external threaded rod 62 with threaded teeth, below the external threaded rod 62 is a smooth shaft rod, and the middle section of the smooth shaft rod is provided with a trapezoidal hollow chamber-shaped compression chamber 63 with openings on both sides.

[0026] Preferably, a fastening nut 7 is sleeved on the outer threaded rod 62 of the side lock shaft rod 6 and meshed therewith via threaded threads.

[0027] In a specific embodiment, the external rod 62 of the side lock shaft 6 and the fastening nut 7 are both located on the outside of the bearing 4 on the opposite side of the limit platform 53 of the shaft 5. Turning the fastening nut 7 on the external rod 62 can switch the fastening nut 7 and the bearing 4 between the loose and interlocking states.

[0028] Preferably, the compression chamber 63 of the side lock shaft 6 is provided with right-angled trapezoidal side lock blocks 8 symmetrically distributed on both sides, a countersunk circular hole is provided in the center of the back side of the side lock block 8, and a spring 9 is embedded between the countersunk circular holes of the side lock blocks 8 on both sides.

[0029] When the utility model is used, when it is necessary to load materials, firstly, the barrel 1 is installed on the hollow roller 2, the hollow roller 2 is mounted at the center of the docking bracket 3, the middle shaft rod 5 is passed through the hollow roller 2 from the bearing 4 on one side of the docking bracket 3 and is inserted into the bearing 4 on the other side, the side locking shaft rod 6 is rotated and inserted into the docking hole 51 of the middle shaft rod 5, when the side locking block 8 of the side locking shaft rod 6 is rotated and inserted into the side notch 52 of the middle shaft rod 5, the fastening nut 7 is screwed to make the fastening nut 7 abut against the bearing 4 on the left side of the docking bracket 3, and the side locking block 8 of the side locking shaft rod 6 pops out of the middle shaft rod 5. The inner wall of the hollow roller 2 is clamped and interlocked with the fastening nut 7. When it is necessary to change the material, just loosen the fastening nut 7, push the side locking shaft 6 toward the middle shaft 5, the inclined surface of the side locking block 8 of the side locking shaft 6 abuts against the side notch 52 of the middle shaft 5, the side locking block 8 is compressed and pushed into the side locking shaft 6, and the side locking shaft 6 is rotated 180° to make the side locking block 8 staggered with the side notch 52, and the side locking shaft 6 and the middle shaft 5 are pulled out from the two sides of the docking bracket 3 to complete the disassembly of the hollow roller 2, and replace the barrel 1 on the hollow roller 2 to complete the material change.

[0030] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A roll material docking mechanism for an automatic woven bag cutting machine, comprising a material barrel (1) to be replenished and replaced and a detachable hollow roller (2) passing through the center thereof, a detachable central axis rod (5) passing through the center of the hollow roller (2), the central axis rod (5) rotatably passing through bearings (4) provided on both sides of a docking bracket (3), characterized in that: A side locking shaft rod (6) is passed through one side of the central shaft rod (5), and a side locking block (8) which can be compressed and slid inwards is arranged on the side of the side locking shaft rod (6). The side locking block (8) pops out of the side locking shaft rod (6) to engage and lock with the inner wall of the hollow roller (2).

2. The roll material docking mechanism of the automatic woven bag cutting machine according to claim 1 is characterized by: The hollow roller (2) is a round shaft rod with round cones on both sides, a central shaft hole (22) is provided at the center of the side of the hollow roller (2), a hollow cavity (21) is provided inside the hollow roller (2), and the central shaft rod (5) is inserted into the central shaft hole (22).

3. The roll material docking mechanism of the automatic woven bag cutting machine according to claim 2 is characterized by: The central axis rod (5) is in the shape of a circular tube, one side of the central axis rod (5) is a docking hole (51), the other side of the central axis rod (5) is a limit platform (53), and the side wall of the central axis rod (5) close to the docking hole (51) is provided with side notches (52) at the upper and lower parts, and the side locking axis rod (6) is inserted into the docking hole (51).

4. The roll material docking mechanism of the automatic woven bag cutting machine according to claim 3 is characterized by: The top of the side lock shaft rod (6) is a circular ring platform (61), below the circular ring platform (61) is an external threaded rod (62) with screw threads, below the external threaded rod (62) is a smooth shaft rod, and the middle section of the smooth shaft rod is provided with a trapezoidal hollow chamber-shaped compression chamber (63) with openings on both sides.

5. The roll material docking mechanism of the automatic woven bag cutting machine according to claim 4 is characterized by: The outer threaded rod (62) of the side lock shaft rod (6) is sleeved with a fastening nut (7) which is meshed with the outer threaded rod (62) via a thread.

6. The roll material docking mechanism of the automatic woven bag cutting machine according to claim 4 is characterized by: The compression chamber (63) of the side lock shaft (6) is provided with right-angled trapezoidal side lock blocks (8) symmetrically distributed on both sides, a countersunk circular hole is provided at the center of the back side of the side lock block (8), and a spring (9) is embedded between the countersunk circular holes of the side lock blocks (8) on both sides.

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