A film lowering mechanism for a three-dimensional film packaging machine

Abstract

The present invention belongs to the technical field of packaging machines, and specifically relates to a film lowering mechanism for the head of a three-dimensional film packaging machine. The film lowering mechanism for the head of the three-dimensional film packaging machine includes an assembly frame, a transmission box, a rotating knife holder and a movable knife adjustment handle. The rotating knife holder is located on the assembly frame, and one side of the assembly frame is connected to the rotating knife holder and is provided with a movable knife adjustment handle. One side of the assembly frame is provided with a transmission box. The rotating knife holder is driven by a servo motor on the assembly frame, and the support frame and the transmission connection seat are screwed together by a threaded screw to drive the assembly frame to rise and fall between two lifting limit guide rails. Its beneficial effects are: through the linkage between the drive shaft of the transmission box and the drive source of the equipment, the main machine is perfectly and effectively cooperated to perform fast and efficient film lowering, the film length is accurate and easy to adjust, and the film lowering is vertical and stable through the guide roller, and the efficiency is higher than the gear film lowering.

Description

Technical Field

[0001] The invention belongs to the technical field of packaging machines, and in particular relates to a film lowering mechanism of a head of a three-dimensional film packaging machine. Background Art

[0002] In the current market, the existing three-dimensional film packaging machines all use a gear structure to lower the film, and the film length adjustment range for different product packaging is limited during packaging. The adjustment is troublesome and unstable, resulting in different shapes of the packaged products and waste. In view of this phenomenon, it is necessary to develop a stable lower film to match the structure of the three-dimensional film packaging machine. Summary of the invention

[0003] In order to make up for the defects of the prior art, the present invention provides a film lowering mechanism for a head of a three-dimensional film packaging machine.

[0004] The present invention is achieved through the following technical solutions:

[0005] A three-dimensional film packaging machine head film lowering mechanism comprises an assembly frame, a transmission box, a rotating tool holder and a movable knife adjusting handle, wherein the rotating tool holder is located on the assembly frame, one side of the assembly frame is connected to the rotating tool holder and is provided with a movable knife adjusting handle, one side of the assembly frame is provided with a transmission box, the rotating tool holder is driven by a servo motor on the assembly frame, a movable rubber roller is provided on the assembly frame corresponding to the rotating tool holder, the movable rubber roller is driven by a rubber roller driving bevel gear in the transmission box, lifting and limiting guide rails are symmetrically provided on both sides of the assembly frame, a support frame is provided between the two lifting and limiting guide rails, a transmission connecting seat is provided on the assembly frame corresponding to the support frame, the support frame and the transmission connecting seat are screwed together by a threaded screw rod for transmission, and the assembly frame is driven to lift and lower between the two lifting and limiting guide rails.

[0006] Furthermore, a drive shaft is provided in the transmission box, and the drive shaft is assembled in the transmission box through a bearing seat on the transmission box. The rubber roller transmission bevel gear is located on the drive shaft. The drive shaft is powered by the driving source of the machine equipment, and transmits power to the gear at the end of the movable rubber roller through the rubber roller transmission bevel gear.

[0007] Furthermore, a bracket is provided on the assembly frame, a reducer is installed on the bracket, and the servo motor drives a transmission belt through the reducer to provide power for the rotating tool holder.

[0008] Furthermore, the movable rubber roller is assembled on the assembly bracket through the rubber roller bracket, one end of the rubber roller bracket is connected to the assembly bracket through a rotating shaft, and the other end is locked by a clamping rod on the assembly bracket.

[0009] Furthermore, the clamping rod is assembled on the assembly frame through a support, and a bevel pressure head is provided at one end of the clamping rod located at the rubber roller bracket, and a clamping handle is provided on the clamping rod. The clamping rod is driven by the clamping handle to drive the bevel pressure head to rotate, and the rotating bevel of the bevel pressure head is clamped on the rubber roller bracket to lock the end of the rubber roller bracket.

[0010] Furthermore, a roller fixing frame is provided on the side of the assembly bracket where the movable rubber roller is provided, and a plurality of guide rollers are provided on the roller fixing frame.

[0011] The beneficial effects of the present invention are: through the linkage between the driving shaft of the transmission box and the driving element of the equipment, the main machine is perfectly and effectively coordinated to perform fast and efficient film laying, the film length is accurate and the adjustment is convenient and stable, and the efficiency is higher than that of gear film laying. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The present invention will be further described below in conjunction with the accompanying drawings.

[0013] Attached Figure 1 It is a structural schematic diagram of the present invention;

[0014] Attached Figure 2 It is a schematic diagram of the axial side structure of the present invention.

[0015] In the figure, 1 is an assembly frame, 2 is a roller fixing frame, 3 is a lifting limit guide rail, 4 is a support frame, 5 is a transmission box, 6 is a servo motor, 7 is a reducer, 8 is a transmission belt, 9 is a bracket, 10 is a rubber roller bracket, 11 is a clamping rod, 12 is a movable knife adjustment handle, 13 is a rotating knife holder, 14 is a transmission connecting seat, 15 is a threaded screw, 16 is a driving shaft, 17 is a rubber roller transmission bevel gear, 18 is a bearing seat, 19 is a support, 20 is a clamping handle, 21 is an inclined pressure head, 22 is a movable rubber roller, 23 is a guide roller, and 24 is a rotating shaft. DETAILED DESCRIPTION

[0016] Attached Figure 1 , 2It is a specific embodiment of the present invention. The invention is a three-dimensional film packaging machine head film lowering mechanism, including an assembly frame 1, a transmission box 5, a rotating knife holder 13 and a movable knife adjustment handle 12, the rotating knife holder 13 is located on the assembly frame 1, one side of the assembly frame 1 is connected to the rotating knife holder 13 and is provided with a movable knife adjustment handle 12, one side of the assembly frame 1 is provided with a transmission box 5, the rotating knife holder 13 is driven by a servo motor 6 on the assembly frame 1, the assembly frame 1 is provided with a movable rubber roller 22 corresponding to the rotating knife holder 13, and the movable rubber roller 22 is driven by a rubber roller transmission bevel gear 17 in the transmission box 5, the assembly frame 1 is symmetrically provided with lifting limit guide rails 3 on both sides, a support frame 4 is provided between the two lifting limit guide rails 3, and a transmission connection seat 14 is provided on the assembly frame 1 corresponding to the support frame 4, and the support frame 4 and the transmission connection seat 14 are screwed together through a threaded screw 15 to drive the assembly frame 1 to lift between the two lifting limit guide rails 3.

[0017] Furthermore, a drive shaft 16 is provided in the transmission box 5, and the drive shaft 16 is assembled in the transmission box 5 through a bearing seat 18 on the transmission box 5. The rubber roller transmission bevel gear 17 is located on the drive shaft 16. The drive shaft 16 is powered by the driving source of the machine equipment, and transmits power to the gear at the end of the movable rubber roller 22 through the rubber roller transmission bevel gear 17.

[0018] Furthermore, a bracket 9 is provided on the assembly frame 1 , and a reducer 7 is installed on the bracket 9 . The servo motor 6 drives the transmission belt 8 through the reducer 7 to provide power for the rotating tool holder 13 .

[0019] Furthermore, the movable rubber roller 22 is assembled on the assembly bracket 9 through the rubber roller bracket 10 . One end of the rubber roller bracket 10 is connected to the assembly bracket 9 through the rotating shaft 24 , and the other end is locked by the pressing rod 11 on the assembly bracket 9 .

[0020] Furthermore, the clamping rod 11 is assembled on the assembly frame 1 through the support 19. The clamping rod 11 is located at one end of the rubber roller bracket 10 and is provided with a bevel pressure head 21. The clamping rod 11 is provided with a clamping handle 20. The clamping rod 11 is driven by the clamping handle 20 to drive the bevel pressure head 21 to rotate, and the rotating bevel of the bevel pressure head 21 is clamped on the rubber roller bracket 10 to lock the end of the rubber roller bracket 10.

[0021] Furthermore, a roller fixing frame 2 is provided on the assembly bracket 9 at one side where the movable rubber roller 22 is provided, and a plurality of guide rollers 23 are provided on the roller fixing frame 2 .

[0022] The invention relates to a film lowering mechanism for a three-dimensional film packaging machine head. The driving shaft 16 of the transmission box 5 is powered by the driving source of the machine equipment, and is powered by the rubber roller transmission bevel gear 17 for the gear at the end of the movable rubber roller 22. The servo motor 6 transmits power to the rotating tool holder 13 separately through the reducer 7 and the transmission belt 8. The assembly frame 1 is adjusted by the threaded screw 15 so that it can be suitable for packaging a variety of products. During processing, the guide roller 23 guides the film to enter the head, and the servo motor 6 drives the lower film steel roller and the movable rubber roller 22 to pull the film for high-speed film lowering. During the film lowering process, the blowing guide comb device fixed on the rubber roller group and the lower film steel roller frame guides the film to ensure that the film is vertically downward during the pulling process, and further connected to the main machine power and the rotating knife and the fixed knife on the rotating tool holder 13 rotate and alternately shear the film.

[0023] The present invention is not limited to the above-mentioned embodiments. Anyone should know that any technical solution identical or similar to the present invention made under the inspiration of the present invention shall fall within the protection scope of the present invention.

[0024] The techniques, shapes, and structural parts not described in detail in the present invention are all well-known techniques.

Claims

1. A three-dimensional film packaging machine head film lowering mechanism, comprising an assembly frame, a transmission box, a rotating knife holder and a movable knife adjustment handle, wherein the rotating knife holder is located on the assembly frame, and a movable knife adjustment handle is provided on one side of the assembly frame connected to the rotating knife holder, characterized in that: A transmission box is provided on one side of the assembly frame, and the rotating tool holder is driven by a servo motor on the assembly frame. A movable rubber roller is provided on the assembly frame corresponding to the rotating tool holder, and the movable rubber roller is driven by a rubber roller transmission bevel gear in the transmission box. Lifting limit guide rails are symmetrically provided on both sides of the assembly frame, and a support frame is provided between the two lifting limit guide rails. A transmission connecting seat is provided on the assembly frame corresponding to the support frame. The support frame and the transmission connecting seat are screwed together by a threaded screw rod to drive the assembly frame to lift and lower between the two lifting limit guide rails.

2. The head film lowering mechanism of a three-dimensional film packaging machine according to claim 1, characterized in that: A drive shaft is provided in the transmission box, and the drive shaft is assembled in the transmission box through a bearing seat on the transmission box. The rubber roller transmission bevel gear is located on the drive shaft. The drive shaft is powered by the driving source of the machine equipment, and transmits power to the gear at the end of the movable rubber roller through the rubber roller transmission bevel gear.

3. The head film lowering mechanism of a three-dimensional film packaging machine according to claim 1, characterized in that: The assembly frame is provided with a bracket, and a reducer is installed on the bracket. The servo motor drives a transmission belt through the reducer to provide power for the rotating tool holder.

4. The head film lowering mechanism of the three-dimensional film packaging machine according to claim 1, characterized in that: The movable rubber roller is assembled on the assembly bracket through the rubber roller bracket. One end of the rubber roller bracket is connected to the assembly bracket through a rotating shaft, and the other end is locked by a pressing rod on the assembly bracket.

5. The head film lowering mechanism of the three-dimensional film packaging machine according to claim 4, characterized in that: The clamping rod is assembled on the assembly frame through a support. The clamping rod is located at one end of the rubber roller bracket and is provided with an inclined pressure head. The clamping rod is provided with a clamping handle. The clamping rod is driven by the clamping handle to drive the inclined pressure head to rotate. The rotating inclined surface of the inclined pressure head is clamped on the rubber roller bracket to lock the end of the rubber roller bracket.

6. The head film lowering mechanism of the three-dimensional film packaging machine according to claim 4, characterized in that: A roller fixing frame is provided on the assembly bracket at one side where the movable rubber roller is provided, and a plurality of guide rollers are provided on the roller fixing frame.

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