Plastic film conveying device

Abstract

The utility model relates to the technical field of packaging bag film conveying, in particular to a plastic film conveying device which comprises a machine frame, a connecting frame is welded to the left side of the surface of the machine frame, a supporting frame is installed on the top of the connecting frame, and the surfaces of the machine frame, the connecting frame and the supporting frame are all rotationally connected with guide rollers through rotating shafts. A material roller with a plastic film is placed on a supporting plate, an annular groove in the material roller is clamped on the surfaces of the supporting plate and a limiting wheel, one end of the rolled plastic film penetrates through the device, a linen mat makes contact with the surface of the plastic film, a motor is controlled to operate to enable a second belt pulley to rotate, and then a belt and a first belt pulley rotate; the conveying device has the advantage that the plastic film on the material roller can be discharged and conveyed, and static electricity carried by the plastic film is conveyed while the linen mat presses down the plastic film in the conveying process.

Description

Technical Field

[0001] The utility model relates to the technical field of packaging bag film transmission, in particular to a plastic film transmission device. Background Art

[0002] Packaging bags can be seen everywhere in our lives. The existing packaging bag making machine includes a feeding device, a conveying device, a punching device, a heat sealing device and a slitting device. Its working principle is to process the cylindrical double-layer plastic film into finished packaging bags, among which the conveying device plays a vital role in the bag making machine.

[0003] Through research and analysis, it was found that the film conveying devices on the market still have the following shortcomings to a certain extent.

[0004] For example, static electricity cannot be effectively eliminated during the transmission process, resulting in the plastic film being transmitted not smoothly enough, and it cannot be guaranteed that the plastic film maintains a good tension state during the transmission process, resulting in easy wrinkles during the transmission process, affecting the quality of subsequent production and processing. In order to solve the above technical problems, we have designed a plastic film transmission device. Utility Model Content

[0005] The purpose of the utility model is to provide a plastic film conveying device, which has the advantages of static electricity elimination and tension maintenance, and solves the problem that static electricity cannot be effectively eliminated during the conveying process, resulting in the plastic film being not smoothly transmitted, and the plastic film cannot be guaranteed to maintain a good tension state during the conveying process, resulting in easy wrinkles during the conveying process.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a plastic film conveying device, comprising a frame, a connecting frame is welded on the left side of the frame surface, a supporting frame is installed on the top of the connecting frame, the surfaces of the frame, the connecting frame and the supporting frame are all rotatably connected with guide rollers through a rotating shaft, the surfaces of the connecting frame and the supporting frame are both installed with supporting mechanisms, the surface of the frame is installed with a transmission mechanism, and the surface of the transmission mechanism is installed with a linen mat;

[0007] The supporting mechanism includes a supporting plate, a short rod and a limiting wheel; the transmitting mechanism includes a fixed plate, a transmitting roller, a motor and a supporting roller; one end of the short rod is welded to one side of the supporting plate; one side of the limiting wheel is rotatably sleeved on the surface of the other end of the short rod through a bearing; the two ends of the transmitting roller are respectively rotatably embedded in the opposite sides of the two fixed plates through bearings; and the linen mat is movably sleeved on the surface of the supporting roller.

[0008] Preferably, one side of the support plate is fixedly connected to the connection frame and the surface of the support frame by bolts respectively, a placement groove is provided on the top of the support plate, and a material roller is placed on the surface of the support plate.

[0009] Preferably, both ends of the support roller are rotatably connected to the opposite sides of the two fixed plates through a rotating shaft, the left end of the transmission roller is fixedly connected to a belt pulley 1, the rotating shaft of the motor is fixedly connected to a belt pulley 2, and the surfaces of the belt pulley 1 and the belt pulley 2 are transmission-connected with belts.

[0010] Preferably, the bottom of the motor is fixedly connected to the top of the frame via a support, the surface movable sleeves of the belt pulley one and the belt pulley two are provided with protective covers, and the right side of the protective cover is fixedly connected to the left side of the frame on the left side by bolts.

[0011] Preferably, an anti-drop mechanism is installed on the surface of the frame, and the anti-drop mechanism includes a triangular iron, both ends of the triangular iron are fixedly connected to the surface of the frame, a connecting rope passes through the surface of the triangular iron, and both ends of the connecting rope are fixedly provided with limit sleeves.

[0012] Preferably, the surfaces of both ends of the material roller are respectively provided with annular grooves adapted to the support frame and the limiting wheel, and the motor model is a servo motor.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] The utility model places a material roller with a plastic film on a supporting plate so that the annular groove on the material roller is clamped on the surface of the supporting plate and the limiting wheel, effectively preventing the material roller from moving during the material unloading process, thereby improving the quality of material unloading and transmission, and passing one end of the rolled plastic film through the device so that the linen mat contacts the surface of the plastic film, and controlling the operation of the motor to rotate the second belt pulley, thereby rotating the belt and the first belt pulley, and rotating the transmission roller, thereby having the advantage of being able to unload and transmit the plastic film on the material roller, and in the transmission process, the linen mat presses down the plastic film and transmits the static electricity it carries, so that the plastic film is kept taut during the transmission process and the static electricity is eliminated more smoothly, thereby improving the transmission efficiency and quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 2 It is a partial left-side stereoscopic schematic diagram of the utility model;

[0017] Figure 3 This is a three-dimensional schematic diagram of the transmission roller and the motor of the utility model;

[0018] Figure 4 It is a three-dimensional schematic diagram of the anti-drop mechanism of the utility model.

[0019] In the figure: 1. frame; 2. connecting frame; 3. supporting frame; 4. guide roller; 5. supporting mechanism; 51. supporting plate; 52. short rod; 53. limiting wheel; 6. transmission mechanism; 61. fixing plate; 62. transmission roller; 63. belt pulley 1; 64. motor; 65. belt pulley 2; 66. belt; 67. supporting roller; 7. linen mat; 8. anti-drop mechanism; 81. triangle iron; 82. connecting rope; 83. limiting sleeve; 9. material roller; 10. protective cover. DETAILED DESCRIPTION

[0020] See also Figure 1-Figure 4 A plastic film conveying device comprises a frame 1, a connecting frame 2 is welded on the left side of the surface of the frame 1, a supporting frame 3 is installed on the top of the connecting frame 2, guide rollers 4 are rotatably connected to the surfaces of the frame 1, the connecting frame 2 and the supporting frame 3 through a rotating shaft, supporting mechanisms 5 are installed on the surfaces of the connecting frame 2 and the supporting frame 3, a transmission mechanism 6 is installed on the surface of the frame 1, and a linen mat 7 is installed on the surface of the transmission mechanism 6;

[0021] The supporting mechanism 5 includes a supporting plate 51, a short rod 52 and a limiting wheel 53; the transmission mechanism 6 includes a fixed plate 61, a transmission roller 62, a motor 64 and a supporting roller 67; one end of the short rod 52 is welded to one side of the supporting plate 51; one side of the limiting wheel 53 is rotatably sleeved on the surface of the other end of the short rod 52 through a bearing; both ends of the transmission roller 62 are rotatably embedded in the opposite sides of the two fixed plates 61 through bearings; and the linen mat 7 is movably sleeved on the surface of the supporting roller 67.

[0022] See also Figure 1 and Figure 2 One side of the support plate 51 is fixedly connected to the surfaces of the connecting frame 2 and the support frame 3 by bolts respectively. A placement groove is provided on the top of the support plate 51. The placement groove is provided to facilitate the placement of the material roller 9 and to play a limiting role so that the material roller 9 will not move forward and backward. The material roller 9 is placed on the surface of the support plate 51.

[0023] See also Figure 2 and Figure 3 Both ends of the support roller 67 are rotatably connected to the opposite sides of the two fixed plates 61 through a rotating shaft. By setting the support roller 67, the plastic film is supported and guided during transmission. The left end of the transmission roller 62 is fixedly connected to a belt pulley 1 63, and the rotating shaft of the motor 64 is fixedly connected to a belt pulley 2 65. The surfaces of the belt pulley 1 63 and the belt pulley 2 65 are connected to the belt 66 for transmission. By setting the belt pulley 1 63, the belt pulley 2 65 and the belt 66, the transmission roller 62 is rotated under the action of the rotation of the rotating shaft of the motor 64.

[0024] See also Figure 2 and Figure 3The bottom of the motor 64 is fixedly connected to the top of the frame 1 through a support, and a protective cover 10 is provided on the surface of the belt pulley 1 63 and the belt pulley 2 65. By setting the protective cover 10, the rotating belt pulley 1 63, the belt pulley 2 65 and the belt 66 are shielded, thereby protecting the operator to avoid accidental injury. The right side of the protective cover 10 is fixedly connected to the left side of the frame 1 on the left side by bolts.

[0025] See also Figure 1 , Figure 2 and Figure 4 An anti-drop mechanism 8 is installed on the surface of the frame 1, and the anti-drop mechanism 8 includes a triangular iron 81. By setting the triangular iron 81, a position is provided for the installation of a connecting rope 82. Both ends of the triangular iron 81 are fixedly connected to the surface of the frame 1. A connecting rope 82 is penetrated and connected to the surface of the triangular iron 81. By setting the connecting rope 82, the plastic film and the linen mat 7 are covered to prevent them from contacting the ground or the two plastic films. Both ends of the connecting rope 82 are fixedly sleeved with a limiting sleeve 83. By setting the limiting sleeve 83, both ends of the connecting rope 82 are limited to prevent the connecting rope 82 from detaching from the triangular iron 81.

[0026] See also Figure 1 and Figure 2 , the surfaces of both ends of the material roller 9 are respectively provided with annular grooves adapted to the support frame 3 and the limiting wheel 53. By setting the annular grooves, the material roller 9 is clamped on the surfaces of the support plate 51 and the limiting wheel 53, effectively preventing the material roller 9 from moving during the unwinding and conveying process, causing the rolled plastic film to move. The motor 64 is a servo motor.

[0027] When in use, the material roller 9 with the plastic film is placed on the support plate 51 so that the annular groove on the material roller 9 is stuck on the surface of the support plate 51 and the limiting wheel 53, thereby effectively preventing the material roller 9 from moving during the material discharge process, thereby improving the quality of material discharge and transmission, and passing one end of the rolled plastic film through the device so that the linen mat 7 is in contact with the surface of the plastic film, and controlling the operation of the motor 64 to rotate the belt pulley 2 65, thereby rotating the belt 66 and the belt pulley 1 63, and rotating the transmission roller 62, so that the plastic film on the material roller 9 can be discharged and transmitted, and in the process of transmission, the linen mat 7 presses down on the plastic film and transmits the static electricity it carries, so that the plastic film remains taut during transmission and the static electricity is eliminated more smoothly, thereby improving the efficiency and quality of transmission.

[0028] To sum up: the plastic film conveying device, through the cooperation of the frame 1, the connecting frame 2, the supporting frame 3, the guide roller 4, the supporting mechanism 5, the conveying mechanism 6 and the linen mat 7, solves the problem that static electricity cannot be effectively eliminated during the conveying process, resulting in the plastic film being not smoothly conveyed, and cannot ensure that the plastic film maintains a good tension state during the conveying process, resulting in easy wrinkling during the conveying process.

Claims

1. A plastic film conveying device, comprising a frame (1), characterized in that: A connecting frame (2) is welded to the left side of the surface of the frame (1), a supporting frame (3) is installed on the top of the connecting frame (2), the surfaces of the frame (1), the connecting frame (2) and the supporting frame (3) are all rotatably connected to guide rollers (4) via a rotating shaft, the surfaces of the connecting frame (2) and the supporting frame (3) are both installed with supporting mechanisms (5), a transmission mechanism (6) is installed on the surface of the frame (1), and a linen mat (7) is installed on the surface of the transmission mechanism (6); The support mechanism (5) comprises a support plate (51), a short rod (52) and a limiting wheel (53); the transmission mechanism (6) comprises a fixed plate (61), a transmission roller (62), a motor (64) and a support roller (67); one end of the short rod (52) is welded to one side of the support plate (51); one side of the limiting wheel (53) is rotatably sleeved on the surface of the other end of the short rod (52) through a bearing; both ends of the transmission roller (62) are rotatably embedded in opposite sides of two fixed plates (61) through bearings; and the linen mat (7) is movably sleeved on the surface of the support roller (67).

2. A plastic film conveying device according to claim 1, characterized in that: One side of the support plate (51) is fixedly connected to the surfaces of the connecting frame (2) and the support frame (3) respectively by bolts, a placement groove is provided on the top of the support plate (51), and a material roller (9) is placed on the surface of the support plate (51).

3. A plastic film conveying device according to claim 1, characterized in that: Both ends of the support roller (67) are rotatably connected to the opposite sides of the two fixed plates (61) via a rotating shaft, the left end of the transmission roller (62) is fixedly connected to a belt pulley 1 (63), the rotating shaft of the motor (64) is fixedly connected to a belt pulley 2 (65), and the surfaces of the belt pulley 1 (63) and the belt pulley 2 (65) are transmission-connected with a belt (66).

4. A plastic film conveying device according to claim 3, characterized in that: The bottom of the motor (64) is fixedly connected to the top of the frame (1) via a support, and the surfaces of the belt pulley 1 (63) and the belt pulley 2 (65) are movable sleeves provided with protective covers (10), and the right side of the protective cover (10) is fixedly connected to the left side of the frame (1) via bolts.

5. A plastic film conveying device according to claim 1, characterized in that: An anti-drop mechanism (8) is installed on the surface of the frame (1), and the anti-drop mechanism (8) comprises a triangular iron (81), both ends of the triangular iron (81) are fixedly connected to the surface of the frame (1), a connecting rope (82) penetrates and is connected to the surface of the triangular iron (81), and both ends of the connecting rope (82) are fixedly sleeved with a limiting sleeve (83).

6. A plastic film conveying device according to claim 2, characterized in that: Annular grooves matching the support frame (3) and the limiting wheel (53) are respectively formed on the surfaces of both ends of the material roller (9), and the motor (64) is a servo motor.

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