A film holder for a gum wrapping machine

Abstract

This utility model belongs to the technical field of film frame for wrapping machines, and in particular, it addresses the problem that existing wrapping machine film frames require operators to manually align shaft holes and tighten screws or fasteners during film roll replacement, which is cumbersome and reduces equipment efficiency. The proposed solution includes a base with a bracket fixedly mounted on its top. A crossbar is rotatably mounted on the bracket, and a motor is fixedly mounted on the outside of the bracket, with the motor's output shaft fixedly connected to the outside of the crossbar. A U-shaped frame is fixedly mounted on the outside of the crossbar, and a groove is formed on the inner wall of the bottom of the U-shaped frame. A positioning plate is slidably mounted in the groove, and arc-shaped supports are fixedly mounted on one side of the positioning plate and one side of the inner wall of the U-shaped frame. This utility model facilitates quick film roll replacement during use, greatly reducing downtime for roll changeovers, improving equipment efficiency, and is simple in structure and easy to use.

Description

Technical Field

[0001] This application relates to the field of film frame technology for wrapping machines, and in particular to a film frame for an adhesive wrapping machine. Background Technology

[0002] The film holder of the adhesive tape wrapping machine is the "heart" of the adhesive tape (OPP, PVC, PE, etc.) wrapping machine. It is a mechanical module used to install, unfold, and adjust the tape. It is the mechanism that "hangs" the tape roll up and controls the tape to be fed out at the appropriate tension, angle, and speed.

[0003] In the existing technology, during the use of the film roll replacement of the film roll of the wrapping machine film holder, the operator needs to manually align the shaft hole, tighten the screw or fix the buckle, which is a cumbersome process and reduces the efficiency of the equipment. To address this problem, we propose a film holder for the adhesive tape wrapping machine. Utility Model Content

[0004] The purpose of this utility model is to solve the problem that in the existing technology, when the film roll is replaced, the operator needs to manually align the shaft hole, tighten the screw or fix the buckle, which is a cumbersome process and reduces the efficiency of the equipment. Therefore, a new film frame for adhesive tape wrapping machine is proposed.

[0005] The film frame for a tape wrapping machine provided in this application adopts the following technical solution: A film frame for an adhesive wrapping machine includes a base, a bracket fixedly mounted on the top of the base, a crossbar rotatably mounted on the bracket, a motor fixedly mounted on the outside of the bracket, and the output shaft of the motor fixedly connected to the outside of the crossbar. The U-shaped frame is fixedly installed on the outside of the crossbar, and the bottom inner wall of the U-shaped frame is provided with a sliding groove; The positioning plate is slidably installed in the slide groove, and arc-shaped supports are fixedly installed on one side of the positioning plate and on the inner wall of one side of the U-shaped frame. The roller is located inside two arc-shaped supports. A film roll is connected to the outside of the roller, and a disassembly and assembly mechanism is provided on the roller.

[0006] Furthermore, a guide shaft is slidably mounted on the positioning plate, and the two ends of the guide shaft are fixedly connected to the inner walls of the two sides of the slide groove. When the positioning plate moves horizontally, the guide shaft can stabilize the horizontal movement of the positioning plate.

[0007] Furthermore, a semi-circular protrusion is fixedly installed at one end of each of the two rectangular rods, and an installation groove is opened inside the rectangular rod. A sliding rod is slidably installed in the installation groove. The semi-circular protrusion can automatically correct the position so that the rectangular rod can be smoothly inserted into the rectangular groove of the roller.

[0008] Furthermore, a second sliding hole is provided on the top inner wall of the mounting groove, and an inclined block is slidably installed in the second sliding hole. The bottom of the inclined block is fixedly connected to the outer side of the sliding rod. A slot is provided on the inner wall of the rectangular groove, and the inclined block cooperates with the slot.

[0009] Furthermore, a first sliding hole is provided on the top inner wall of the mounting groove, and a pressure column is slidably installed in the first sliding hole. One end of the pressure column is fixedly connected to the outer side of the slide rod, and a spring is sleeved on the outer side of the pressure column. The two ends of the spring are fixedly connected to the inner wall of the mounting groove and the outer side of the slide rod, respectively.

[0010] Furthermore, the disassembly and assembly mechanism includes two rectangular rods, which are rotatably mounted on the positioning plate and the U-shaped frame, respectively. Both ends of the roller are provided with rectangular grooves, and the two rectangular rods are respectively engaged with the two rectangular grooves.

[0011] Furthermore, an electric push rod is fixedly installed on one side of the U-shaped frame. The output shaft of the electric push rod is fixedly connected to the outer side of the positioning plate. When the electric push rod is turned on, the electric push rod drives the positioning plate to move horizontally.

[0012] In summary, this application includes at least one of the following beneficial technical effects: 1. This solution involves activating an electric push rod, which moves the positioning plate horizontally to the right. The positioning plate then moves the rectangular rod horizontally. Two semi-circular protrusions guide the two rectangular rods into the two rectangular slots respectively. Simultaneously, the inner wall of the rectangular slots presses the inclined locking block vertically downwards. When the rectangular rods reach a certain position, the spring, through deformation force, drives the sliding rod to reset. The sliding rod then drives the inclined locking block to reset, thus engaging the locking block with the slot, thereby completing the rapid installation of the film roll. 2. This solution involves restarting the electric push rod and simultaneously pressing the pressure column. The pressure column causes the slide rod to move vertically downwards, which in turn causes the inclined locking block to separate from the slot, thus separating the rectangular rod from the rectangular slot and enabling the rapid disassembly of the membrane roll.

[0013] This invention allows for quick replacement of film rolls during use, greatly reducing downtime for roll changing, improving equipment efficiency, and features a simple structure and ease of use. Attached Figure Description

[0014] Figure 1 This is a front view structural schematic diagram of a film frame for an adhesive tape wrapping machine proposed in this utility model; Figure 2 This is a side view of the support structure of the film frame of the adhesive wrapping machine proposed in this utility model; Figure 3 This utility model proposes a film frame for an adhesive tape wrapping machine. Figure 1 Enlarged structural diagram of section A; Figure 4 This utility model proposes a film frame for an adhesive tape wrapping machine. Figure 1 Enlarged structural diagram of part B.

[0015] Reference numerals: 1. Base; 2. Bracket; 3. Crossbar; 4. Motor; 5. U-shaped frame; 6. Electric push rod; 7. Slide groove; 8. Positioning plate; 9. Guide shaft; 10. Membrane roll; 11. Arc-shaped support; 12. Roller; 13. Rectangular groove; 14. Rectangular rod; 15. Semi-circular protrusion; 16. Mounting groove; 17. Slide rod; 18. Pressure column; 19. Spring; 20. Angled locking block; 21. Locking groove. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0017] Example 1 Reference Figures 1-4 A film frame for an adhesive wrapping machine includes a base 1, a bracket 2 fixedly mounted on the top of the base 1, a crossbar 3 rotatably mounted on the bracket 2, a motor 4 fixedly mounted on the outside of the bracket 2, and the output shaft of the motor 4 fixedly connected to the outside of the crossbar 3. U-shaped frame 5, the U-shaped frame 5 is fixedly installed on the outside of the crossbar 3, and the bottom inner wall of the U-shaped frame 5 is provided with a sliding groove 7; Positioning plate 8 is slidably installed in slide groove 7. Arc-shaped supports 11 are fixedly installed on one side of positioning plate 8 and on the inner wall of one side of U-shaped frame 5. Spring-loaded friction plates are installed in both arc-shaped supports 11, and the friction plates are always pressed against the end face of roller 12. Regardless of the width of the membrane roll, the spring pressure remains constant, thus providing stable frictional damping force. Roller 12 is located inside two arc-shaped supports 11. A membrane roll 10 is connected to the outside of roller 12. A disassembly and assembly mechanism is provided on roller 12.

[0018] In this embodiment, a guide shaft 9 is slidably installed on the positioning plate 8. The two ends of the guide shaft 9 are fixedly connected to the inner walls of the two sides of the slide groove 7. When the positioning plate 8 moves horizontally, the guide shaft 9 can stabilize the horizontal movement of the positioning plate 8. A second sliding hole is provided on the top inner wall of the mounting groove 16. An inclined block 20 is slidably installed in the second sliding hole. The bottom of the inclined block 20 is fixedly connected to the outer side of the slide rod 17. A slot 21 is provided on the inner wall of the rectangular groove 13. The inclined block 20 cooperates with the slot 21. The disassembly and assembly mechanism includes two rectangular rods 14. The two rectangular rods 14 are rotatably installed on the positioning plate 8 and the U-shaped frame 5, respectively. Rectangular grooves 13 are provided at both ends of the roller 12. The two rectangular rods 14 cooperate with the two rectangular grooves 13, respectively.

[0019] In this embodiment, a semi-circular protrusion 15 is fixedly installed at one end of each of the two rectangular rods 14. An installation groove 16 is provided inside the rectangular rod 14, and a slide rod 17 is slidably installed in the installation groove 16. The semi-circular protrusion 15 can automatically correct the position so that the rectangular rod 14 can be smoothly inserted into the rectangular groove 13 of the roller 12. A first sliding hole is provided on the top inner wall of the installation groove 16, and a pressure column 18 is slidably installed in the first sliding hole. One end of the pressure column 18 is fixedly connected to the outside of the slide rod 17. A spring 19 is sleeved on the outside of the pressure column 18. The two ends of the spring 19 are fixedly connected to the inner wall of the installation groove 16 and the outside of the slide rod 17, respectively. An electric push rod 6 is fixedly installed on one side of the U-shaped frame 5. The output shaft of the electric push rod 6 is fixedly connected to the outside of the positioning plate 8. When the electric push rod 6 is turned on, the electric push rod 6 drives the positioning plate 8 to move horizontally.

[0020] The implementation principle of the film frame of the adhesive tape wrapping machine in this embodiment is as follows: During use, the motor 4 is turned on, which drives the crossbar 3 to rotate. The crossbar 3 then drives the U-shaped frame 5 to rotate. When the U-shaped frame 5 rotates to a certain position, the roller 12 is placed inside the two arc-shaped supports 11. The electric push rod 6 is then turned on, causing the positioning plate 8 to move horizontally to the right. The positioning plate 8 then drives the rectangular rod 14 to move horizontally. Through the setting of two semi-circular protrusions 15, the two semi-circular protrusions 15 can guide the two rectangular rods 14 to insert into the two rectangular slots 13 respectively. Simultaneously, the rectangular slots 13... The inner wall pressing angled locking block 20 moves vertically downward. When the rectangular rod 14 moves to a certain position, the spring 19 drives the slide rod 17 to reset through deformation force. The slide rod 17 drives the angled locking block 20 to reset, and then the angled locking block 20 is engaged with the slot 21, thereby completing the quick installation of the membrane roll 10. When disassembling, simply turn on the electric push rod 6 again and press the pressure column 18 at the same time. The pressure column 18 drives the slide rod 17 to move vertically downward. The slide rod 17 drives the angled locking block 20 to separate from the slot 21, so that the rectangular rod 14 is separated from the rectangular groove 13, thereby completing the quick disassembly of the membrane roll 10.

[0021] Example 2 The difference between this embodiment and embodiment one is that a micro switch is installed inside the U-shaped frame 5. When the positioning plate 8 slides to the rightmost end (installed in place), the micro switch will be triggered. The signal of the Weidong switch is connected to the controller (PLC) of the winding machine. Only after receiving the "installed in place" signal will the controller allow the winding machine to start the winding operation.

[0022] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A film frame for an adhesive tape wrapping machine, comprising a base (1), characterized in that: A bracket (2) is fixedly installed on the top of the base (1), a crossbar (3) is rotatably installed on the bracket (2), and a motor (4) is fixedly installed on the outside of the bracket (2). The output shaft of the motor (4) is fixedly connected to the outside of the crossbar (3); it also includes: U-shaped frame (5), U-shaped frame (5) is fixedly installed on the outside of crossbar (3), and a groove (7) is provided on the bottom inner wall of U-shaped frame (5); Positioning plate (8) is slidably installed in the slide groove (7). An arc-shaped support (11) is fixedly installed on one side of the positioning plate (8) and on one side of the inner wall of the U-shaped frame (5). Roller (12) is located inside two arc-shaped supports (11). A film roll (10) is connected to the outside of the roller (12). A disassembly and assembly mechanism is provided on the roller (12).

2. The film frame for a tape wrapping machine according to claim 1, characterized in that: An electric push rod (6) is fixedly installed on one side of the U-shaped frame (5), and the output shaft of the electric push rod (6) is fixedly connected to the outside of the positioning plate (8).

3. The film frame for a tape wrapping machine according to claim 2, characterized in that: A guide shaft (9) is slidably mounted on the positioning plate (8), and the two ends of the guide shaft (9) are fixedly connected to the inner walls of the two sides of the slide groove (7).

4. The film frame for a tape wrapping machine according to claim 3, characterized in that: The disassembly and assembly mechanism includes two rectangular rods (14), which are rotatably mounted on the positioning plate (8) and the U-shaped frame (5) respectively. Both ends of the roller (12) are provided with rectangular grooves (13), and the two rectangular rods (14) are respectively engaged with the two rectangular grooves (13).

5. The film frame for a tape wrapping machine according to claim 4, characterized in that: A semi-circular protrusion (15) is fixedly installed at one end of each of the two rectangular rods (14). An installation groove (16) is provided inside the rectangular rod (14), and a sliding rod (17) is slidably installed inside the installation groove (16).

6. The film frame for a tape wrapping machine according to claim 5, characterized in that: The top inner wall of the mounting groove (16) is provided with a first sliding hole, and a pressure column (18) is slidably installed in the first sliding hole. One end of the pressure column (18) is fixedly connected to the outer side of the slide rod (17). A spring (19) is sleeved on the outer side of the pressure column (18), and the two ends of the spring (19) are fixedly connected to the inner wall of the mounting groove (16) and the outer side of the slide rod (17), respectively.

7. A film frame for an adhesive tape wrapping machine according to claim 6, characterized in that: The top inner wall of the mounting groove (16) is provided with a second sliding hole, and a slanted block (20) is slidably installed in the second sliding hole. The bottom of the slanted block (20) is fixedly connected to the outside of the slide rod (17). The inner wall of the rectangular groove (13) is provided with a slot (21), and the slanted block (20) cooperates with the slot (21).

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