PVC film cutting equipment

Abstract

The utility model provides PVC film cutting equipment which comprises a fixing frame, a first fixing sleeve, a second fixing sleeve and an internal thread sleeve are arranged at the bottom of the inner side of the fixing frame, fixing rods are movably connected into the first fixing sleeve and the second fixing sleeve in a sleeved mode, a movable frame located on the inner side of the fixing frame is arranged on the tops of the fixing rods, and the movable frame is movably connected with the first fixing sleeve and the second fixing sleeve in a sleeved mode. The inner side of the moving frame is rotationally connected with a supporting roller. According to the PVC film cutting equipment, a cutter installed on a driving roller can be driven to rotate through driving of a servo motor, then a PVC film placed between the driving roller and a supporting roller is cut through the cutter, conveying of the PVC film cannot be affected by rotation of the cutter, the cutting length of the PVC film can be controlled by adjusting the rotating speed of the servo motor, and the cutting efficiency of the PVC film is improved. By adopting the structure, in the process of cutting the PVC film, the PVC film can be continuously conveyed, so that continuous cutting is carried out, and the cutting efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of PVC film cutting, and specifically discloses a PVC film cutting device. Background Art

[0002] Chinese patent application number CN202320209216.3 discloses a PVC film cutting device; it includes a workbench and a connecting plate, two conveyor belts are fixedly installed on the surface of the workbench, a cutting area for cutting PVC film is reserved between the two conveyor belts, a fixing rod is fixedly installed on the surface of the workbench at the position of the cutting area, a first motor is provided on the surface of the connecting plate, and a cutting knife is fixedly installed on the output shaft port of the first motor. The utility model enables the PVC film to be cut by a high-speed rotating cutting knife by providing a first motor and a cutting knife, which is more convenient than the traditional extrusion cutting using two cutting knives, reduces the influence of the elastic deformation of the PVC film, and the connecting plate and the fixing rod are used to extrude and fix the PVC film during the cutting process, reduces the movement during the cutting process, improves the cutting accuracy, and realizes automatic cutting.

[0003] When the above-mentioned cutting knife cuts the PVC film, the conveying of the PVC film needs to be stopped before cutting. During the conveying process of the PVC film, the cutting cannot be performed continuously, resulting in low cutting efficiency. Utility Model Content

[0004] In view of the above-mentioned defects or shortcomings in the prior art, the present application aims to provide a PVC film cutting device, comprising a fixed frame, wherein a first fixed sleeve, a second fixed sleeve and an internally threaded sleeve are respectively arranged at the bottom of the inner side of the fixed frame, and a fixed rod is movably sleeved inside the first fixed sleeve and the second fixed sleeve, and a movable frame located inside the fixed frame is arranged on the top of the fixed rod, and a support roller is rotatably connected to the inner side of the movable frame, and the internal thread sleeve of the internally threaded sleeve is rotatably sleeved with an adjustment mechanism which is inside the movable frame and located below the support roller, and a cutting component located above the support roller is rotatably connected inside the fixed frame.

[0005] Preferably, the adjusting mechanism comprises a screw having a top end rotatably connected to the inside of the moving frame and a bottom end threadedly sleeved in an internal threaded sleeve, and a first support and a second support fixedly mounted on the outside of the moving frame, the screw extending to the top end of the inside of the moving frame being fixedly sleeved on the outside with a worm gear, a worm being rotatably connected between the first support and the second support and meshing with the outer edge of the worm gear, and a handle being fixedly sleeved on the outside of one end of the worm extending out of the second support.

[0006] Preferably, the cutting assembly includes a driving roller rotatably connected to the inside of a fixed frame and located above the supporting roller, and a servo motor fixedly installed on one side of the fixed frame, a holder is provided on the outside of the driving roller, a cutting knife is mounted on the inside of the holder, and a bolt movably mounted inside the cutting knife is threadedly sleeved on the internal thread of the holder, and one end of the driving roller extending outside the fixed frame is fixedly sleeved with the output shaft of the servo motor through a bushing.

[0007] Preferably, a support plate located outside the support roller is provided on the outer side of the movable frame.

[0008] Preferably, the top of the supporting roller is higher than the top of the supporting plate. Beneficial Effects

[0009] 1. The PVC film cutting equipment can drive the cutter installed on the driving roller to rotate through the drive of the servo motor, and then the PVC film placed between the driving roller and the supporting roller is cut by the cutter, and the rotation of the cutter will not affect the transportation of the PVC film. The cutting length of the PVC film can be controlled by adjusting the speed of the servo motor. With this structure, the PVC film can be continuously transported during the cutting process of the PVC film, so as to perform continuous cutting and improve the cutting efficiency.

[0010] 2. The PVC film cutting equipment rotates the worm by a handle, and at the same time drives the lead screw to rotate by a worm gear, and then drives the support roller installed on the inner side of the mobile frame to move by the cooperation of the lead screw and the internal threaded sleeve, so as to adjust the distance between the support roller and the driving roller, and ensure that the cutter can fit closely with the support roller during the rotation process, and the cutting operation of the PVC film can be realized by the contact between the cutter and the support roller. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Other features, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:

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

[0013] Figure 2 It is a schematic diagram of the back side of the structure of the utility model;

[0014] Figure 3 It is a side sectional view of the structure of the utility model.

[0015] In the figure: 1. fixed frame; 2. first fixed sleeve; 3. second fixed sleeve; 4. internal thread sleeve; 5. fixed rod; 6. movable frame; 7. support roller; 8. adjustment mechanism; 81. screw; 82. first support; 83. second support; 84. worm gear; 85. worm; 86. handle; 9. cutting assembly; 91. drive roller; 92. servo motor; 93. holder; 94. cutter; 95. bolt; 96. bushing; 10. support plate. DETAILED DESCRIPTION

[0016] The present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the relevant utility model, rather than to limit the utility model. It is also necessary to explain that, for ease of description, only the parts related to the utility model are shown in the accompanying drawings.

[0017] The accompanying drawings in the embodiments of the present invention: different types of section lines in the drawings are not marked according to national standards, nor do they impose any requirements on the materials of the components. Instead, they are used to distinguish the cross-sectional views of the components in the drawings.

[0018] See also Figure 1-3 A PVC film cutting device comprises a fixed frame 1, a first fixed sleeve 2, a second fixed sleeve 3 and an internal threaded sleeve 4 are respectively arranged at the bottom of the inner side of the fixed frame 1, a fixed rod 5 is movably sleeved inside the first fixed sleeve 2 and the second fixed sleeve 3, and the second fixed sleeve 3 and the fixed rod 5 are used in coordination, so that a movable frame 6 can move up and down inside the fixed frame 1 under the rotation of a screw rod 81, a movable frame 6 located inside the fixed frame 1 is arranged on the top of the fixed rod 5, a supporting roller 7 is rotatably connected to the inner side of the movable frame 6, an adjusting mechanism 8 is rotatably sleeved inside the internal threaded sleeve 4 and is rotatably connected to the inside of the movable frame 6 and below the supporting roller 7, and a cutting assembly 9 is rotatably connected to the inside of the fixed frame 1 and is located above the supporting roller 7.

[0019] Among them, the adjusting mechanism 8 includes a screw rod 81 whose top end is rotatably connected to the inside of the moving frame 6 and whose bottom end is threadedly sleeved in the inside of the internal threaded sleeve 4, and a first support 82 and a second support 83 fixedly installed on the outside of the moving frame 6. The screw rod 81 extends to the top of the inner side of the moving frame 6 and is fixedly sleeved on the outside with a worm gear 84. A worm 85 meshing with the outer edge of the worm gear 84 is rotatably connected between the first support 82 and the second support 83. The worm 85 extends out of the second support 83 and is fixedly sleeved on the outside with a handle 86. Through the coordinated use of the worm gear 84 and the worm 85, the screw rod 81 can be self-locked after rotation to ensure that the distance between the support roller 7 and the driving roller 91 will not change after adjustment, so that the cutter 94 can fit tightly with the support roller 7 during rotation.

[0020] Among them, the cutting component 9 includes a driving roller 91 rotatably connected to the inside of the fixed frame 1 and located above the support roller 7, and a servo motor 92 fixedly installed on one side of the fixed frame 1. A holder 93 is provided on the outside of the driving roller 91, and a cutter 94 is mounted on the inner side of the holder 93. The internal thread of the holder 93 is sleeved with a bolt 95 movably sleeved inside the cutter 94. One end of the driving roller 91 extending from the outside of the fixed frame 1 is fixedly sleeved with the output shaft of the servo motor 92 through a shaft sleeve 96. The cutter 94 can be limited by the holder 93 and fixed by the bolt 95. The cutter 94 can be disassembled and replaced by removing the bolt 95.

[0021] A support plate 10 located outside the support roller 7 is provided on the outer side of the movable frame 6 , and the support plate 10 can support the PVC film so as to place the PVC film between the driving roller 91 and the support roller 7 .

[0022] Among them, the top of the support roller 7 is higher than the top of the support plate 10. By protruding the support roller 7 from the surface of the support roller 7, the PVC film will not be stuck in the gap between the support roller 7 and the support plate 10 after cutting, ensuring that the PVC film is continuously transported on the surface of the support plate 10.

[0023] When the equipment is working, the PVC film is placed on the surface of the support plate 10, and the servo motor 92 is started. The drive roller 91 is driven by the servo motor 92 to rotate, and at the same time, the cutter 94 is driven to rotate around the axial direction of the drive roller 91. When the cutter 94 contacts the support roller 7, the cutting of the PVC film is completed. The contents not described in detail in this specification belong to the existing technology known to professional and technical personnel in this field.

[0024] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0025] The above description is only a preferred embodiment of the present application and an explanation of the technical principles used. Those skilled in the art should understand that the scope of the utility model involved in the present application is not limited to the technical solution formed by a specific combination of the above technical features, but should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the concept of the utility model. For example, the above features are replaced with the technical features with similar functions disclosed in the present application (but not limited to) by each other to form a technical solution.

Claims

1. A PVC film cutting device, comprising a fixing frame (1), characterized in that: The bottom of the inner side of the fixed frame (1) is respectively provided with a first fixed sleeve (2), a second fixed sleeve (3) and an internal threaded sleeve (4); the first fixed sleeve (2) and the second fixed sleeve (3) are both sleeved with fixed rods (5); the top of the fixed rod (5) is provided with a movable frame (6) located inside the fixed frame (1); the inner side of the movable frame (6) is rotatably connected to a support roller (7); the inner thread of the internal threaded sleeve (4) is sleeved with an adjustment mechanism (8) rotatably connected inside the movable frame (6) and below the support roller (7); the interior of the fixed frame (1) is rotatably connected to a cutting assembly (9) located above the support roller (7).

2. A PVC film cutting device according to claim 1, characterized in that: The adjusting mechanism (8) comprises a screw rod (81) whose top end is rotatably connected to the inside of the moving frame (6) and whose bottom end is threadedly sleeved inside the internal thread sleeve (4), and a first support (82) and a second support (83) mounted on the outside of the moving frame (6); a worm wheel (84) is sleeved on the outside of the top end of the screw rod (81) extending to the inside of the moving frame (6); a worm (85) meshing with the outer edge of the worm wheel (84) is rotatably connected between the first support (82) and the second support (83); and a handle (86) is sleeved on the outside of one end of the worm rod (85) extending outside the second support (83).

3. A PVC film cutting device according to claim 1, characterized in that: The cutting assembly (9) comprises a driving roller (91) rotatably connected to the interior of a fixed frame (1) and located above a supporting roller (7), and a servo motor (92) mounted on one side of the fixed frame (1); a holder (93) is arranged on the outside of the driving roller (91); a cutting knife (94) is sleeved on the inside of the holder (93); and a bolt (95) sleeved on the inside of the cutting knife (94) is sleeved on the internal thread of the holder (93); and one end of the driving roller (91) extending outside the fixed frame (1) is sleeved on the output shaft of the servo motor (92) via a shaft sleeve (96).

4. A PVC film cutting device according to claim 1, characterized in that: A support plate (10) located outside the support roller (7) is arranged on the outside of the movable frame (6).

5. The PVC film cutting device according to claim 1, characterized in that: The top of the support roller (7) is higher than the top of the support plate (10).

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