Stainless steel edge trimmer for packaging film

Abstract

The utility model relates to the technical field of packaging films, in particular to a stainless steel edge trimmer for packaging films, which comprises a workbench, a mounting rack, a winding mechanism and an edge trimming mechanism, the mounting rack is arranged on the workbench, and the winding mechanism is arranged on one side of the mounting rack; the winding mechanism is used for winding the packaging film; the edge cutting mechanism comprises a driving device, an edge cutting frame, a lead screw and a cutter assembly. An output shaft of the hydraulic cylinder penetrates through the top of the mounting frame and is connected with the top of the trimming frame; the lead screw is arranged in the edge cutting frame, and the output end of the driving device is connected with one end of the lead screw. A limiting ring is arranged in the center of the screw rod; screw thread directions of the screw rod on two sides of the limiting ring are opposite; cutter assemblies are arranged on the lead screws on the two sides of the limiting ring correspondingly. The position of the cutter assembly can be adjusted, the edge cutting device can adapt to edge cutting work of packaging films with different widths and requirements, meanwhile, it can be guaranteed that the cutter assemblies on the two sides are kept synchronous all the time, and therefore the edge cutting consistency and accuracy are guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of packaging films, in particular to a stainless - steel edge - cutting machine for packaging films. Background Art

[0002] With the rapid development of the food packaging industry, the demand for packaging films is increasing day by day. In the production process of packaging films, edge - cutting is an important link to ensure the quality and appearance of packaging films.

[0003] The existing edge - cutting devices for food packaging films usually adopt fixed cutting knives, which cannot meet the edge - cutting requirements of packaging films with different specifications and sizes. Moreover, they are inefficient and inaccurate, and cannot meet the requirements of the modern food packaging industry for high quality and high efficiency. Content of the Utility Model

[0004] The utility model aims to solve at least one of the technical problems existing in the prior art. For this purpose, the utility model provides a stainless - steel edge - cutting machine for packaging films, which can adjust the position of the cutting - tool assembly, can adapt to the edge - cutting work of packaging films with different widths and requirements, and can ensure that the two side cutting - tool assemblies always remain synchronized, thus ensuring the consistency and accuracy of edge - cutting.

[0005] To achieve the above object, according to an embodiment of the first aspect of the utility model, a stainless - steel edge - cutting machine for packaging films is provided, which includes a workbench, a mounting frame, a winding mechanism and an edge - cutting mechanism. The mounting frame is arranged on the workbench, and the winding mechanism is arranged on one side of the mounting frame; the winding mechanism includes a power device, a bracket and a winding roller. The power device is arranged on the side wall of the bracket, and its output end is connected to the winding roller. The winding roller is rotatably arranged in the middle of the bracket; the edge - cutting mechanism includes a driving device, an edge - cutting frame, a lead screw and a cutting - tool assembly; a hydraulic cylinder is arranged on the top of the mounting frame, and the output shaft of the hydraulic cylinder penetrates through the top of the mounting frame and is connected to the top of the edge - cutting frame; the lead screw is arranged inside the edge - cutting frame, and the output end of the driving device is connected to one end of the lead screw; a limiting ring is arranged at the center of the lead screw, and the thread directions of the lead screw on both sides of the limiting ring are opposite; the cutting - tool assemblies are respectively arranged on the lead screw on both sides of the limiting ring, and the cutting - tool assemblies are used for edge - cutting the packaging film.

[0006] As a further scheme of the utility model: a guiding mechanism is arranged on the top of the edge - cutting frame, and the guiding mechanism includes a guiding rod, a guiding block and a positioning block; positioning blocks are arranged on both sides of the top of the edge - cutting frame, both ends of the guiding rod are respectively connected to and penetrate through the positioning blocks on both sides, the guiding blocks are arranged at both ends of the guiding rod, and guiding grooves are arranged on both sides inside the mounting frame, and the guiding blocks are arranged in the guiding grooves.

[0007] As a further scheme of the utility model: the size of the guiding block is adapted to the guiding groove.

[0008] As a further solution of the present utility model: The guiding rod penetrates through the output shaft of the hydraulic cylinder and is connected to the positioning blocks on both sides.

[0009] As a further solution of the present utility model: The cutting tool assembly includes a mounting block and a blade. The mounting block is arranged on the lead screw, and the blade is threadedly connected to the mounting block.

[0010] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0011] 1. By setting the edge cutting mechanism, the present utility model can cut the edges of both sides of the packaging film simultaneously. By driving the lead screw to rotate through the power device, the position of the cutting tool assembly can be adjusted, which can adapt to the edge cutting work of packaging films with different widths and requirements, improving the versatility and flexibility of the equipment. At the same time, by setting the limiting ring and the thread directions of the lead screw on both sides of the limiting ring being opposite, when adjusting the position of the cutting tool assembly, it can ensure that the cutting tool assemblies on both sides always remain synchronized, thus ensuring the consistency and accuracy of edge cutting.

[0012] 2. By setting the guiding mechanism, when adjusting the height of the cutting tool holder, the movement of the cutting tool assembly will be strictly restricted on the track of the guiding groove, thus ensuring the stability and accuracy of the cutting tool assembly during movement, improving the quality and efficiency of edge cutting, and also reducing the defective product rate caused by operation errors or equipment shaking.

[0013] 3. Since the size of the guiding block is adapted to the guiding groove, the guiding block can fit tightly in the guiding groove, reducing the shaking caused by gaps or looseness, thus ensuring the stability of the edge cutting operation.

[0014] 4. By the guiding rod penetrating and connecting the output shaft, it is ensured that during the movement of the cutting tool holder, it remains horizontal, effectively reducing the possible shaking or inclination of the cutting tool holder during movement, and ensuring the stability and accuracy of the edge cutting operation. Description of the Drawings

[0015] Figure 1 It is an installation cross-sectional view of a stainless steel edge cutting machine for a packaging film.

[0016] Figure 2 It is a schematic three-dimensional structure of the edge cutting mechanism Figure 1 .

[0017] Figure 3 It is a schematic three-dimensional structure of the edge cutting mechanism Figure 2 .

[0018] Reference numerals in the drawings: 1, workbench; 2, mounting frame; 21, guide groove; 3, bracket; 31, power device; 32, winding roller; 4, hydraulic cylinder; 5, trimming frame; 51, positioning block; 6, driving device; 7, lead screw; 71, limit ring; 8, mounting block; 81, blade; 9, guide rod; 91, guide block. Detailed implementation manners

[0019] The technical solutions of the present utility model will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative work belong to the protection scope of the present utility model.

[0020] As Figures 1 to 3 shown, a stainless steel trimming machine for packaging film includes a workbench 1, a mounting frame 2, a winding mechanism and a trimming mechanism. The mounting frame 2 is arranged on the workbench 1, and the winding mechanism is arranged on one side of the mounting frame 2; the winding mechanism includes a power device 31, a bracket 3 and a winding roller 32. The power device 31 is arranged on the side wall of the bracket 3, and its output end is connected to the winding roller 32. The winding roller 32 is rotatably arranged in the middle of the bracket 3; the packaging film passes through the mounting frame 2 and is connected to the winding roller 32. By driving the winding roller 32 to rotate by the power device 31, the winding work of the packaging film is realized. Among them, the power device 31 is preferably a rotary motor.

[0021] The trimming mechanism includes a driving device 6, a trimming frame 5, a lead screw 7 and a cutter assembly; a hydraulic cylinder 4 is arranged on the top of the mounting frame 2, and the output shaft of the hydraulic cylinder 4 penetrates through the top of the mounting frame 2 and is connected to the top of the trimming frame 5; the height of the trimming frame 5 is adjusted by the hydraulic cylinder 4 to improve the trimming quality.

[0022] The lead screw 7 is arranged inside the trimming frame 5, and the output end of the driving device 6 is connected to one end of the lead screw 7; a limit ring 71 is arranged at the center of the lead screw 7, and the thread directions of the lead screw 7 on both sides of the limit ring 71 are opposite; the cutter assemblies are respectively arranged on the lead screw 7 on both sides of the limit ring 71, and the cutter assemblies are used for trimming the packaging film.

[0023] By setting the trimming mechanism, the two sides of the packaging film can be trimmed simultaneously. By driving the lead screw 7 to rotate by the power device 31, the position of the cutter assembly can be adjusted, which can adapt to the trimming work of packaging films with different widths and requirements, and improves the versatility and flexibility of the equipment. At the same time, by setting the limit ring 71 and the thread directions of the lead screw 7 on both sides of the limit ring 71 are opposite, when adjusting the position of the cutter assembly, it can be ensured that the two cutter assemblies always remain synchronized, thus ensuring the consistency and accuracy of trimming.

[0024] A guiding mechanism is provided at the top of the trimming frame 5. The guiding mechanism includes a guiding rod 9, a guiding block 91 and a positioning block 51. The positioning blocks 51 are provided on both sides at the top of the trimming frame 5. Both ends of the guiding rod 9 are respectively connected to and penetrate through the positioning blocks 51 on both sides. The guiding block 91 is provided at both ends of the guiding rod 9. Guiding grooves 21 are provided on both sides inside the mounting frame 2, and the guiding block 91 is arranged in the guiding grooves 21.

[0025] By providing the guiding mechanism, when adjusting the height of the cutter holder, the movement of the cutter assembly will be strictly restricted to the track of the guiding groove 21, thus ensuring the stability and accuracy of the cutter assembly during movement, improving the quality and efficiency of trimming, and reducing the defective rate caused by operation errors or equipment shaking.

[0026] The size of the guiding block 91 is adapted to the guiding groove 21.

[0027] Since the size of the guiding block 91 is adapted to the guiding groove 21, the guiding block 91 can closely fit in the guiding groove 21, reducing the shaking caused by gaps or looseness, thus ensuring the stability of the trimming operation.

[0028] The guiding rod 9 penetrates through the output shaft of the hydraulic cylinder 4 and is connected to the positioning blocks 51 on both sides.

[0029] By the guiding rod 9 penetrating and connecting the output shaft, it is ensured that during the movement of the cutter holder, it remains horizontal, effectively reducing the possible shaking or tilting of the cutter holder during movement, and ensuring the stability and accuracy of the trimming operation.

[0030] The cutter assembly includes a mounting block 8 and a blade 81. The mounting block 8 is arranged on the lead screw 7, and the blade 81 is threadedly connected to the mounting block 8.

[0031] Due to the threaded connection of the blade 81, the replacement process of the blade 81 is more convenient.

[0032] The working principle of the present utility model: The packaging film passes through the mounting frame 2 and is connected to the winding roller 32 in the winding mechanism. When starting the power device 31 of the winding mechanism, such as a rotating motor, the motor drives the winding roller 32 to rotate, thereby realizing the winding of the packaging film. At the same time, the lead screw 7 is driven to rotate by the driving device 6. A limit ring 71 is provided on the lead screw 7, and the thread directions on both sides of the limit ring 71 are opposite, ensuring that the cutter assemblies on both sides can move synchronously. The hydraulic cylinder 4 provided at the top of the mounting frame 2 is connected to the top of the trimming frame 5 through its output shaft. The telescopic movement of the hydraulic cylinder 4 can adjust the height of the trimming frame 5, thereby adjusting the distance between the cutter assembly and the packaging film. Finally, the cutter assemblies on both sides simultaneously trim the packaging film, ensuring the consistency and accuracy of trimming.

[0033] The above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. A stainless steel trimming machine for packaging film, comprising a workbench (1), a mounting frame (2), a winding mechanism and a trimming mechanism, wherein the mounting frame (2) is arranged on the workbench (1), and the winding mechanism is arranged on one side of the mounting frame (2); the winding mechanism comprises a power device (31), a bracket (3) and a winding roller (32), wherein the power device (31) is arranged on the side wall of the bracket (3), and its output end is connected to the winding roller (32), and the winding roller (32) is rotatably arranged in the middle of the bracket (3); It is characterized in that The edge trimming mechanism comprises a driving device (6), an edge trimming frame (5), a screw rod (7) and a cutting knife assembly; a hydraulic cylinder (4) is arranged on the top of the mounting frame (2), and an output shaft of the hydraulic cylinder (4) passes through the top of the mounting frame (2) and is connected to the top of the edge trimming frame (5); the screw rod (7) is arranged inside the edge trimming frame (5), and the output end of the driving device (6) is connected to one end of the screw rod (7); A limiting ring (71) is arranged at the center of the screw rod (7), and the screw rods (7) on both sides of the limiting ring (71) have thread teeth in opposite directions; the screw rods (7) on both sides of the limiting ring (71) are respectively provided with the cutting knife assemblies, and the cutting knife assemblies are used to perform edge trimming on the packaging film.

2. A stainless steel trimming machine for packaging film according to claim 1, characterized in that: A guide mechanism is arranged at the top of the trimming frame (5), and the guide mechanism comprises a guide rod (9), a guide block (91) and a positioning block (51); the positioning blocks (51) are arranged at both sides of the top of the trimming frame (5); the two ends of the guide rod (9) are respectively connected to and penetrate the positioning blocks (51) at both sides; the guide blocks (91) are arranged at both ends of the guide rod (9); guide grooves (21) are arranged at both sides of the interior of the mounting frame (2), and the guide blocks (91) are arranged in the guide grooves (21).

3. A stainless steel trimming machine for packaging film according to claim 2, characterized in that: The size of the guide block (91) is adapted to the guide groove (21).

4. A stainless steel trimming machine for packaging film according to claim 2, characterized in that: The guide rod (9) passes through the output shaft of the hydraulic cylinder (4) and is connected to the positioning blocks (51) on both sides.

5. The stainless steel trimming machine for packaging film according to claim 1, characterized in that: The cutter assembly comprises a mounting block (8) and a blade (81); the mounting block (8) is arranged on the screw rod (7); and the blade (81) is threadedly connected to the mounting block (8).

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