Solvent-free compound machine for plastic bag production

Abstract

The utility model discloses a solvent-free compound machine for producing plastic bags, which relates to the field of solvent-free compound machines and comprises a frame, a gluing roller is rotatably mounted on the inner side of the frame, a gluing machine is axially mounted on the outer wall of the frame in a sliding manner, and a transmission mechanism is arranged on the frame and the gluing machine. The transmission mechanism comprises a transmission unit and a butt joint unit; the butt joint unit is used for providing power for the movement of the transmission unit, and the transmission unit is used for transmitting the rotating force from the glue spreading roller. By arranging the transmission mechanism, after the glue spreading roller and the frame are installed in a butt joint mode, rotation of the glue spreading roller can synchronously give rotation force to the butt joint ring in butt joint with the glue spreading roller, so that the gear, the rotating wheel and the two-way lead screw rotate synchronously, reciprocating motion thrust is provided for the movable rod connected to the two-way lead screw in a sleeving mode, and therefore the glue spreading machine is driven to move synchronously; a driving unit is reduced, so that the glue spreader is synchronously driven to move back and forth in a reciprocating manner in the rotating process of the glue spreader.

Description

Technical Field

[0001] The utility model relates to the field of solvent-free compounding machines, in particular to a solvent-free compounding machine for producing plastic bags. Background Art

[0002] Plastic bags are made of plastic (commonly used plastics include polypropylene, polyester, nylon, etc.) as the main raw material. They are indispensable items in people's daily lives and are often used to carry other items. They are widely used because of their low cost, extremely light weight, large capacity, and easy storage.

[0003] In the prior art, plastic bags are generally produced through solvent-free laminating machines. During the production process, glue needs to be added to the glue coating roller, and the glue is evenly transferred to the material through the rotation of the glue coating roller. The existing glue coating operation is generally performed by a cylinder or a drive motor to drive the glue coating machine to move back and forth to perform the gluing operation. In order to further reduce the drive unit and reduce the cost, the utility model proposes a solvent-free laminating machine for plastic bag production. Utility Model Content

[0004] The purpose of the present utility model is to provide a solvent-free laminating machine for producing plastic bags in order to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: a solvent-free laminating machine for producing plastic bags, comprising a frame, a glue coating roller rotatably mounted on the inner side of the frame, a glue coating machine axially slidably mounted on the outer wall of the frame, and a transmission mechanism provided on the frame and the glue coating machine;

[0006] The transmission mechanism includes a transmission unit and a docking unit;

[0007] The docking unit is used to provide power for the movement of the transmission unit;

[0008] The transmission unit is used to transmit the rotational force from the glue coating roller.

[0009] As a further solution of the present invention: the docking unit includes a docking ring, a transmission block, and a transmission groove;

[0010] The docking ring is rotatably mounted on the inner wall of the frame, and the docking ring is used to drive the gears to rotate synchronously;

[0011] The transmission block is fixed to the outer wall of the shaft of the glue coating roller, and the transmission block is used to transmit the rotational force from the glue coating roller;

[0012] The transmission groove is arranged on the inner side of the docking ring, and the transmission groove is used to provide space for the docking of the glue coating roller and the docking ring.

[0013] As a further solution of the present invention: the transmission unit includes a gear, a transmission rod, a rotating wheel, a bidirectional screw rod, and a movable rod;

[0014] The gear is rotatably mounted inside the frame, and is used to drive one end of the transmission rod to rotate circumferentially;

[0015] The transmission rod is eccentrically connected to the outer wall of the gear, and the transmission rod is used to synchronously drive the rotating wheel to rotate;

[0016] The rotating wheel is fixed to the end of the bidirectional screw rod, and the rotating wheel is used to synchronously drive the bidirectional screw rod to rotate;

[0017] The bidirectional screw is rotatably mounted on the inner wall of the frame, and the bidirectional screw is used to give the movable rod an axial moving thrust;

[0018] The movable rod is fixed to the bottom end of the glue coating machine, and the movable rod is used to drive the glue coating machine to move synchronously.

[0019] As a further solution of the present invention: the inner wall of the frame is formed with a sliding groove for the axial movement of the movable rod, and the movable rod and the bidirectional screw rod are threadedly sleeved with the outer wall of the bidirectional screw rod through a crescent.

[0020] As a further solution of the present invention: the two ends of the transmission rod are respectively eccentrically connected to the outer wall of the gear and the rotating wheel, and the two ends of the transmission rod are at the same distance from the axis of the gear and the rotating wheel.

[0021] As a further solution of the present invention: a rotation groove for the docking ring to rotate is formed on the inner wall of the frame, and the outer wall of the transmission block matches the inner side of the transmission groove.

[0022] As a further solution of the present invention: tooth blocks meshing with the outer wall of the gear are fixed to the outer wall of the docking ring, and the tooth blocks are evenly distributed on the outer wall of the docking ring.

[0023] Compared with the prior art, the beneficial effects of the present invention are:

[0024] By setting up a transmission mechanism, after the gluing roller is docked and installed with the frame, the rotation of the gluing roller will synchronously give rotational power to the docking ring with it, so that the gear, the wheel, and the bidirectional screw rod rotate synchronously, and provide reciprocating thrust to the movable rod sleeved on the bidirectional screw rod, thereby driving the gluing machine to move synchronously, reducing the driving unit, and achieving the goal of synchronously driving the gluing machine to move back and forth during the rotation of the gluing roller. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a structural diagram of the utility model;

[0026] Figure 2It is a structural diagram of the transmission mechanism of the utility model;

[0027] Figure 3 This is a schematic diagram of the installation structure of the transmission block and transmission groove of the utility model.

[0028] In the figure: 1. frame; 2. gluing roller; 3. gluing machine; 4. transmission mechanism; 401. docking ring; 402. gear; 403. transmission rod; 404. rotating wheel; 405. bidirectional screw; 406. movable rod; 407. transmission block; 408. transmission groove. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0030] See also Figure 1-Figure 3 In an embodiment of the present invention, a solvent-free laminating machine for producing plastic bags includes a frame 1, a glue coating roller 2 is rotatably mounted on the inner side of the frame 1, a glue coating machine 3 is axially slidably mounted on the outer wall of the frame 1, and a transmission mechanism 4 is provided on the frame 1 and the glue coating machine 3;

[0031] The transmission mechanism 4 includes a transmission unit and a docking unit;

[0032] The docking unit is used to provide power for the movement of the transmission unit;

[0033] The transmission unit is used to transmit the rotational force from the glue coating roller 2;

[0034] The docking unit includes a docking ring 401, a transmission block 407, and a transmission groove 408;

[0035] The docking ring 401 is rotatably mounted on the inner wall of the frame 1 and is used to drive the gear 402 to rotate synchronously;

[0036] The transmission block 407 is fixed to the outer wall of the shaft of the glue coating roller 2, and the transmission block 407 is used to transmit the rotational force from the glue coating roller 2;

[0037] The transmission groove 408 is provided on the inner side of the docking ring 401 and is used to provide space for the glue coating roller 2 and the docking ring 401 to dock.

[0038] The transmission unit includes a gear 402, a transmission rod 403, a rotating wheel 404, a bidirectional screw rod 405, and a movable rod 406;

[0039] The gear 402 is rotatably mounted inside the frame 1 and is used to drive one end of the transmission rod 403 to rotate circumferentially;

[0040] The transmission rod 403 is eccentrically connected to the outer wall of the gear 402, and the transmission rod 403 is used to synchronously drive the rotating wheel 404 to rotate;

[0041] The rotating wheel 404 is fixed to the end of the bidirectional screw rod 405, and the rotating wheel 404 is used to synchronously drive the bidirectional screw rod 405 to rotate;

[0042] The bidirectional screw rod 405 is rotatably mounted on the inner wall of the frame 1 and is used to impart axial thrust to the movable rod 406.

[0043] The movable rod 406 is fixed to the bottom end of the glue coating machine 3, and the movable rod 406 is used to drive the glue coating machine 3 to move synchronously.

[0044] In this embodiment: through this structure, the driving motor connected to the glue coating roller 2 can be started to drive the glue coating roller 2 to rotate. The rotating glue coating roller 2 will synchronously drive the transmission block 407 fixed to the outer wall of the shaft end to rotate, so that the transmission block 407 transmits the rotational force of the glue coating roller 2 to the transmission groove 408, and the transmission groove 408 transmits the rotational force to the docking ring 401, so that the docking ring 401 rotates with the rotation of the glue coating roller 2. The rotating docking ring 401 will give the gear 402 a rotational thrust, and the rotating gear 402 synchronously drives the transmission rod connected to the outer wall eccentrically to rotate. If one end of 403 rotates circumferentially, the wheel 404 connected to the eccentric rotation of the other end of the transmission rod 403 will also rotate synchronously, thereby driving the bidirectional screw rod 405 fixed to the wheel 404 to rotate, so that the bidirectional screw rod 405 drives the movable rod 406 to move axially along the outer wall of the bidirectional screw rod 405, and the axially moving movable rod 406 synchronously drives the glue coating machine 3 to move, so that the glue coating machine 3 moves axially while the glue coating roller 2 rotates to perform glue coating operations on the glue coating roller 2, reducing the driving unit, further reducing the cost, and will not affect the installation and disassembly of the glue coating roller 2.

[0045] Please refer to Figure 1-Figure 3 The inner wall of the frame 1 is formed with a sliding groove for the axial movement of the movable rod 406. The movable rod 406 and the bidirectional screw rod 405 are threadedly sleeved with the outer wall of the bidirectional screw rod 405 through a crescent. The two ends of the transmission rod 403 are eccentrically connected to the outer walls of the gear 402 and the rotating wheel 404, and the two ends of the transmission rod 403 are at the same distance from the axial center of the gear 402 and the rotating wheel 404. The inner wall of the frame 1 is formed with a rotating groove for the rotation of the docking ring 401. The outer wall of the transmission block 407 matches the inner side of the transmission groove 408. The outer wall of the docking ring 401 is fixed with a tooth block that meshes with the outer wall of the gear 402, and the tooth blocks are evenly distributed on the outer wall of the docking ring 401.

[0046] In this embodiment: through this structure, when the glue coating roller 2 is docked and installed on the frame 1, the transmission block 407 at the end of the shaft of the glue coating roller 2 will also dock with the transmission groove 408 on the inner side of the docking ring 401, completing the docking operation of the glue coating roller 2 and the docking ring 401, so that the rotation of the glue coating roller 2 will synchronously drive the docking ring 401 to rotate.

[0047] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A solvent-free laminating machine for producing plastic bags, comprising a frame (1), a glue roller (2) being rotatably mounted on the inner side of the frame (1), and a glue applicator (3) being axially slidably mounted on the outer wall of the frame (1), characterized in that: A transmission mechanism (4) provided on the frame (1) and the glue coating machine (3); The transmission mechanism (4) includes a transmission unit and a docking unit; The docking unit is used to provide power for the movement of the transmission unit; The transmission unit is used to transmit the rotational force from the glue coating roller (2).

2. The solvent-free laminating machine for producing plastic bags according to claim 1, characterized in that: The docking unit comprises a docking ring (401), a transmission block (407), and a transmission groove (408); The docking ring (401) is rotatably mounted on the inner wall of the frame (1), and the docking ring (401) is used to drive the gear (402) to rotate synchronously; The transmission block (407) is fixed to the outer wall of the shaft of the glue coating roller (2), and the transmission block (407) is used to transmit the rotational force from the glue coating roller (2); The transmission groove (408) is provided on the inner side of the docking ring (401), and the transmission groove (408) is used to provide space for the docking of the glue coating roller (2) and the docking ring (401).

3. The solvent-free laminating machine for producing plastic bags according to claim 1, characterized in that: The transmission unit includes a gear (402), a transmission rod (403), a rotating wheel (404), a bidirectional screw rod (405), and a movable rod (406); The gear (402) is rotatably mounted inside the frame (1), and the gear (402) is used to drive one end of the transmission rod (403) to rotate circumferentially; The transmission rod (403) is eccentrically connected to the outer wall of the gear (402), and the transmission rod (403) is used to synchronously drive the rotating wheel (404) to rotate; The rotating wheel (404) is fixed to the end of the bidirectional screw rod (405), and the rotating wheel (404) is used to synchronously drive the bidirectional screw rod (405) to rotate; The bidirectional screw rod (405) is rotatably mounted on the inner wall of the frame (1), and the bidirectional screw rod (405) is used to impart axial thrust to the movable rod (406); The movable rod (406) is fixed to the bottom end of the glue coating machine (3), and the movable rod (406) is used to drive the glue coating machine (3) to move synchronously.

4. The solvent-free laminating machine for producing plastic bags according to claim 3, characterized in that: The inner wall of the frame (1) is formed with a sliding groove for the axial movement of the movable rod (406), and the movable rod (406) and the bidirectional screw rod (405) are threadedly sleeved with the outer wall of the bidirectional screw rod (405) through a crescent.

5. The solvent-free laminating machine for producing plastic bags according to claim 3, characterized in that: The two ends of the transmission rod (403) are eccentrically connected to the outer walls of the gear (402) and the rotating wheel (404), and the two ends of the transmission rod (403) are at the same distance from the axis of the gear (402) and the rotating wheel (404).

6. The solvent-free laminating machine for producing plastic bags according to claim 2, characterized in that: The inner wall of the frame (1) is formed with a rotation groove for the docking ring (401) to rotate, and the outer wall of the transmission block (407) matches the inner side of the transmission groove (408).

7. The solvent-free laminating machine for producing plastic bags according to claim 2, characterized in that: The outer wall of the docking ring (401) is fixed with tooth blocks that mesh with the outer wall of the gear (402), and the tooth blocks are evenly distributed on the outer wall of the docking ring (401).

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