Winding film releasing mechanism

Abstract

The utility model relates to the technical field of film releasing mechanisms, in particular to a winding film releasing mechanism which comprises a base, brake rollers are mounted at four corners of the bottom end of the base, a support is fixed at the top end of the base, a sliding seat is arranged on the support, a first motor is fixed at the top end of the support, and an output shaft of the first motor is connected with a screw through a coupler. A screw hole matched with the screw rod is formed in the sliding base, a second motor is fixed to the sliding base, a support is fixed to an output shaft of the second motor, a third motor is fixed to one side of the support, an output shaft of the third motor is connected with a two-way lead screw through a coupler, two clamping blocks are arranged in the support, and screw holes matched with the two-way lead screw are formed in the two clamping blocks. The opposite side walls of the two clamping blocks are rotationally connected with conical clamping blocks. An output shaft of a first motor drives a screw rod to rotate, the height of a sliding seat is conveniently adjusted, an output shaft of a third motor drives a bidirectional screw rod to rotate, two clamping blocks are inserted into a winding film, and the winding film is conveniently installed.

Description

Technical Field

[0001] The utility model relates to the technical field of film placing mechanisms, in particular to a wrapping film placing mechanism. Background Art

[0002] Stretch film, also called stretch film and heat shrink film, can be divided into: PE stretch film, PE stretch film, LLDPE stretch film, PE slit stretch film, etc. When installing the stretch film, the stretch film is usually lifted first, and the fixed tube in the middle of the stretch film is aligned with the rod on the film placing mechanism for supporting the stretch film and inserted before installation. Since the stretch film roll is heavy, it is difficult to lift the stretch film, and the subsequent disassembly and replacement are also troublesome. Therefore, a stretch film placing mechanism is proposed to facilitate the installation and replacement of the stretch film. Utility Model Content

[0003] In view of the problems in the prior art, the utility model provides a wrapping film unwinding mechanism.

[0004] The technical solution adopted by the utility model to solve its technical problems is a wrapping film unwinding mechanism, comprising a base, brake rollers are installed at the four corners of the bottom end of the base, a bracket is fixed on the top of the base, a sliding seat is provided on the bracket, a first motor is fixed on the top of the bracket, the output shaft of the first motor is connected with a screw through a coupling, a screw hole adapted to the screw is opened on the sliding seat, the bottom end of the screw is rotatably connected with the base, a second motor is fixed on the sliding seat, a support is fixed on the output shaft of the second motor, a third motor is fixed on one side of the support, the output shaft of the third motor is connected with a bidirectional lead screw through a coupling, two clamping blocks are provided in the support, screw holes adapted to the bidirectional lead screw are opened on the two clamping blocks, one end of the bidirectional lead screw away from the third motor is rotatably connected with the support, the side walls of the two clamping blocks facing each other are rotatably connected with conical clamping blocks, flanges are integrally formed on the two clamping blocks, and a cutting piece is provided on the side of the bidirectional lead screw away from the second motor.

[0005] By adopting the above technical solution, the base is moved to the side of the wrapping film using the brake roller and then the brake roller is locked. The output shaft of the first motor drives the screw to rotate, which is convenient for adjusting the height of the slide seat and the support. After the wrapping film is located between the two clamping blocks, the output shaft of the third motor drives the bidirectional lead screw to rotate, and the two clamping blocks move toward each other. The two clamping blocks move toward each other and are inserted into the fixed cylinder in the middle of the wrapping film, which is convenient for the installation of different types of wrapping films. The output shaft of the first motor drives the screw to rotate in the opposite direction, which is convenient for adjusting the height of the support and the wrapping film as needed. The output shaft of the second motor drives the support to rotate, and the angle of the wrapping film can be adjusted as needed. When the wrapping film needs to be replaced, the output shaft of the third motor drives the bidirectional lead screw to rotate in the opposite direction, which saves time and effort.

[0006] Specifically, the cutting piece includes a base and a connecting bolt. Two slots adapted to the base are provided on the side of the support away from the bracket. Two screw holes adapted to the connecting bolts are provided on the top of the support and the base. A through slot for the wrapping film to pass through is provided on the base. A slide slot connected to the through slot is provided on the top of the base. A slider is provided in the slide slot, and a blade is fixed to the bottom end of the slider.

[0007] By adopting the above technical solution, the stretch film is passed through the through slot on the base, the base guides the stretch film, and the sliding slider moves, and the blade moves accordingly, so that the stretch film is convenient to cut.

[0008] Specifically, two cross bars are fixed in the support, and two through holes matching the cross bars are formed on the two clamping blocks.

[0009] By adopting the above technical solution and setting up two cross bars, the stability of the two clamping blocks can be improved.

[0010] Specifically, two stoppers are fixed on both sides of the bracket, and the bottom ends of the four stoppers are connected to the base.

[0011] By adopting the above technical solution and setting the stopper, the stability of the bracket can be improved.

[0012] Specifically, an armrest is provided on a side of the bracket away from the support, and the armrest is connected to the base.

[0013] By adopting the above technical solution, the base can be easily pushed to a suitable position by holding the handrail.

[0014] Beneficial effects of the utility model:

[0015] (1) The utility model describes a wrap film releasing mechanism, which utilizes a brake roller to move the base to the side of the wrap film and then locks the brake roller. The output shaft of the first motor drives the screw to rotate, which is convenient for adjusting the height of the slide seat and the support. After the wrap film is located between the two clamping blocks, the output shaft of the third motor drives the bidirectional lead screw to rotate, and the two clamping blocks move toward each other. The two clamping blocks move toward each other and are inserted into the fixed cylinder in the middle of the wrap film, which is convenient for the installation of different types of wrap films. The output shaft of the first motor drives the screw to rotate in the opposite direction, which is convenient for adjusting the height of the support and the wrap film as needed. The output shaft of the second motor drives the support to rotate, which can adjust the angle of the wrap film as needed. When the wrap film needs to be replaced, the output shaft of the third motor drives the bidirectional lead screw to rotate in the opposite direction, which saves time and effort.

[0016] (2) The wrap film unwinding mechanism described in the utility model allows the wrap film to pass through the through slot on the base. The base guides the wrap film. The sliding slider moves the blade accordingly, making it easier to cut the wrap film. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 For the utility model Figure 1 A magnified view of the structure at center A;

[0020] Figure 3 For the utility model Figure 1 A magnified view of the structure at B in the middle.

[0021] In the figure: 1. base; 2. stopper; 3. bracket; 4. third motor; 5. armrest; 6. slide seat; 7. second motor; 8. screw; 9. first motor; 11. support; 12. base; 13. cutting piece; 14. bidirectional screw; 15. clamping block; 16. clamping block; 17. flange; 18. cross bar; 19. connecting bolt; 20. slider; 21. blade. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0023] In order to facilitate the installation and replacement of the stretch film, as an embodiment of the present utility model, Figure 1 , Figure 2 As shown, a wrapping film unwinding mechanism described in the utility model comprises a base 1, brake rollers are installed at the four corners of the bottom end of the base 1, a bracket 3 is welded and fixed to the top end of the base 1, a slide seat 6 is provided on the bracket 3, a first motor 9 is fixed to the top end of the bracket 3 by bolts, the output shaft of the first motor 9 is connected to a screw 8 by a coupling, a screw hole adapted to the screw 8 is opened on the slide seat 6, the bottom end of the screw 8 is rotatably connected to the base 1, a second motor 7 is fixed to the slide seat 6 by bolts, and a A support 11, one side of which is fixed with a third motor 4 by bolts, the output shaft of the third motor 4 is connected with a bidirectional screw 14 by a coupling, two clamping blocks 15 are arranged in the support 11, both of the clamping blocks 15 are provided with screw holes adapted to the bidirectional screw 14, one end of the bidirectional screw 14 away from the third motor 4 is rotatably connected to the support 11, the side walls facing each other of the two clamping blocks 15 are rotatably connected with a conical clamping block 16, both of the clamping blocks 16 are integrally formed with a flange 17, and a cutting piece 13 is provided on the side of the bidirectional screw 14 away from the second motor 7.

[0024] When in use, use the brake roller to move the base 1 to the side of the wrapping film and then lock the brake roller. The output shaft of the first motor 9 drives the screw 8 to rotate, which is convenient for adjusting the height of the slide 6 and the support 11. After the wrapping film is located between the two blocks 16, the output shaft of the third motor 4 drives the bidirectional lead screw 14 to rotate, and the two clamping blocks 15 move toward each other. The two blocks 16 move toward each other and are inserted into the fixed cylinder in the middle of the wrapping film, which is convenient for the installation of different types of wrapping films. The output shaft of the first motor 9 drives the screw 8 to rotate in the opposite direction, which is convenient for adjusting the height of the support 11 and the wrapping film as needed. The output shaft of the second motor 7 drives the support 11 to rotate, and can adjust the angle of the wrapping film as needed. When the wrapping film needs to be replaced, the output shaft of the third motor 4 drives the bidirectional lead screw 14 to rotate in the opposite direction, which saves time and effort.

[0025] In order to facilitate cutting of the stretch film, for example, Figure 2 , Figure 3 As shown, the cutting piece 13 includes a base 12 and a connecting bolt 19, the support 11 is provided with two slots adapted to the base 12 on the side away from the bracket 3, the top of the support 11 and the base 12 are provided with two screw holes adapted to the connecting bolt 19, the base 12 is provided with a through groove for the wrapping film to pass through, the top of the base 12 is provided with a slide groove connected to the through groove, a slider 20 is provided in the slide groove, and a blade 21 is fixed to the bottom end of the slider 20 by bolts.

[0026] When in use, the stretch film is passed through the through slot on the base 12 , and the base 12 guides the stretch film. The slider 20 is slid, and the blade 21 moves accordingly, so that the stretch film can be cut conveniently.

[0027] In order to improve the stability of the two clamping blocks 15, for example, Figure 2 As shown, two cross bars 18 are welded and fixed in the support 11 , and two through holes matching the cross bars 18 are formed on the two clamping blocks 15 .

[0028] In order to improve the stability of the bracket 3, for example, Figure 1 As shown, two stoppers 2 are welded and fixed on both sides of the bracket 3 , and the bottom ends of the four stoppers 2 are welded and connected to the base 1 .

[0029] In order to facilitate the pushing of the base 1, for example, Figure 1 As shown, a handrail 5 is provided on a side of the bracket 3 away from the support 11 , and the handrail 5 is welded to the base 1 .

[0030] When the utility model is in use, the brake roller and the handrail 5 are used to move the base 1 to the side of the wrapping film, and then the brake roller is locked. The output shaft of the first motor 9 drives the screw 8 to rotate, which is convenient for adjusting the height of the slide 6 and the support 11. After the wrapping film is located between the two clamping blocks 16, the output shaft of the third motor 4 drives the bidirectional screw 14 to rotate, and the two clamping blocks 15 move toward each other. The two clamping blocks 16 move toward each other and are inserted into the fixed cylinder in the middle of the wrapping film, which is convenient for the installation of different types of wrapping films.

[0031] The output shaft of the first motor 9 drives the screw 8 to rotate in the opposite direction, so as to adjust the height of the support 11 and the wrapping film as needed. The output shaft of the second motor 7 drives the support 11 to rotate, so as to adjust the angle of the wrapping film as needed.

[0032] The stretch film is passed through the through slot on the base 12, and the base 12 guides the stretch film. The slider 20 is slid, and the blade 21 moves accordingly, so that the stretch film can be cut conveniently.

[0033] When the wrapping film needs to be replaced, the output shaft of the third motor 4 drives the bidirectional screw rod 14 to rotate in the opposite direction, which saves time and effort.

[0034] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions in the specification are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the protection required by the utility model. The scope of protection required by the utility model is defined by the attached claims and their equivalents.

Claims

1. A wrapping film unwinding mechanism, characterized in that: The invention comprises a base (1), wherein brake rollers are installed at the four corners of the bottom end of the base (1), a bracket (3) is fixed at the top end of the base (1), a slide seat (6) is provided on the bracket (3), a first motor (9) is fixed at the top end of the bracket (3), an output shaft of the first motor (9) is connected to a screw rod (8) through a coupling, a screw hole matching the screw rod (8) is provided on the slide seat (6), the bottom end of the screw rod (8) is rotatably connected to the base (1), a second motor (7) is fixed on the slide seat (6), a support (11) is fixed on the output shaft of the second motor (7), and one side of the support (11) A third motor (4) is fixed, and the output shaft of the third motor (4) is connected to a bidirectional screw (14) via a coupling. Two clamping blocks (15) are arranged in the support (11), and screw holes adapted to the bidirectional screw (14) are provided on the two clamping blocks (15). One end of the bidirectional screw (14) away from the third motor (4) is rotatably connected to the support (11), and the side walls facing each other of the two clamping blocks (15) are rotatably connected to conical clamping blocks (16), and flanges (17) are integrally formed on the two clamping blocks (16). A cutting piece (13) is provided on the side of the bidirectional screw (14) away from the second motor (7).

2. A wrapping film unwinding mechanism according to claim 1, characterized in that: The cutting piece (13) comprises a base (12) and a connecting bolt (19); two slots adapted to the base (12) are provided on a side of the support (11) away from the bracket (3); two screw holes adapted to the connecting bolt (19) are provided on the top of the support (11) and the base (12); a through slot for the wrapping film to pass through is provided on the base (12); a slide slot connected to the through slot is provided on the top of the base (12); a slider (20) is provided in the slide slot; a blade (21) is fixed to the bottom end of the slider (20).

3. A wrapping film unwinding mechanism according to claim 1, characterized in that: Two cross bars (18) are fixed inside the support (11), and two through holes adapted to the cross bars (18) are provided on the two clamping blocks (15).

4. The wrapping film unwinding mechanism according to claim 1, characterized in that: Two stoppers (2) are fixed on both sides of the bracket (3), and the bottom ends of the four stoppers (2) are connected to the base (1).

5. The wrapping film unwinding mechanism according to claim 1, characterized in that: A handrail (5) is provided on a side of the bracket (3) away from the support (11), and the handrail (5) is connected to the base (1).

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