CN221089163U - Sheet cutting device for plastic product processing - Google Patents

Abstract

The utility model discloses a sheet material cutting device for processing plastic products, and relates to the technical field of plastic product processing, including a main body of the sheet material cutting device for processing plastic products, wherein the main body of the sheet material cutting device for processing plastic products includes a cutting device mounting frame, a cutting mechanism is arranged in the middle of the cutting device mounting frame, and guide roller mechanisms are arranged on both sides of the cutting mechanism. The utility model drives a double-headed threaded rod to rotate through the output shaft of a motor, so that the sliding platform moves relatively under the limit cooperation of the adjustment installation beam, and can adjust the cutting width of the circular cutting knives on both sides at the same time, and the telescopic rod works to lower the cutting blade mounting base frame, and the cutting blade mounting base frame plays the role of installing the driving motor and the circular cutting knife, and the protective shell protects the circular cutting knife, which is detachable and convenient for replacing the circular cutting knife, and the driving motor drives the circular cutting knife to rotate so that it cuts the sheet material passing thereunder, so as to ensure that the cutting width on both sides of the sheet material is consistent, and improve the accuracy of sheet material cutting.

Description

Sheet material cutting device for processing plastic products

Technical Field

The utility model relates to the technical field of plastic product processing, in particular to a sheet material cutting device for plastic product processing.

Background technique

Plastic sheets refer to materials used to produce thermoformed products such as disposable plastic cups, plates, bowls, dishes, boxes, etc., and are widely used in the packaging of food, vegetables, fruits, beverages, dairy products, industrial parts, etc. In the process of producing disposable plastic cups, the plastic sheets need to be cut and then sent to the molding machine for molding. At present, the automation level of the entire cutting process is low, the labor intensity is high, the efficiency is low, and the cutting force cannot be well controlled, which easily causes uneven incisions. Therefore, the utility model proposes a sheet cutting device for processing plastic products.

In the prior art, a Chinese patent document with publication number CN219426886U and publication date July 28, 2023 is proposed to solve the above-mentioned technical problems. The technical solution disclosed in the patent document is as follows: A plastic sheet cutting device comprises a frame, a cutting plate is provided at the upper end of the frame, and a cutting mechanism is provided at the lower end of the cutting plate. The cutting mechanism comprises an installation base plate, an installation middle plate, an installation top plate, an installation side plate, a first cylinder, a first drive motor and a cutting knife. The installation base plate is fixed to the lower end of the cutting plate by a plurality of first guide rods, one end of the first cylinder is connected to the installation middle plate, and the other end of the first cylinder is connected to the installation base plate. A knife seat is provided at the upper end of the installation top plate, and the cutting knife is installed at the right end of the knife seat. A cutting groove is provided on the cutting plate, and the cutting knife matches the cutting groove.

In order to solve the problems of low automation level of the entire cutting process, high labor intensity, low efficiency, and poor control of cutting force, which easily leads to uneven incisions, the existing technology uses a plastic sheet to be transported from the left end of the cutting plate to the right, and a first cylinder pneumatically pushes the installation middle plate, and a first drive motor is started to drive the cutting knife to rotate through a sprocket structure, and the cutting knife passes through the cutting plate through the cutting groove. However, the cutting knife may perform unidirectional cutting on one side of the cutting plate and cannot cut both sides of the plastic sheet at the same time, which may lead to inconsistent widths on both sides.

Utility Model Content

The purpose of the utility model is to provide a sheet material cutting device for processing plastic products, so as to solve the problems raised in the above-mentioned background technology.

In order to solve the above technical problems, the technical solution adopted by the utility model is:

A sheet cutting device for processing plastic products comprises a plastic processing sheet cutting device body, the plastic processing sheet cutting device body comprises a cutting device mounting frame, a cutting mechanism is arranged in the middle of the cutting device mounting frame, and guide roller mechanisms are arranged on both sides of the cutting mechanism; the cutting mechanism comprises a width adjustment unit and a cutting unit, the width adjustment unit is arranged at the middle top of the cutting device mounting frame, and the cutting unit is arranged below the width adjustment unit; the guide roller mechanism comprises a guide roller unit and a waste material outlet unit, the guide roller units are arranged on both sides of the cutting unit, and the waste material outlet unit is arranged at the front end of the guide roller unit.

A further improvement of the technical solution of the utility model is that the width adjustment unit includes an adjustment installation crossbeam fixedly installed on the top of the cutting device installation frame, and a sliding platform is symmetrically and slidably installed inside the adjustment installation crossbeam.

By adopting the above technical solution, the adjustable installation beam can be installed at the front end of the winding device of the sheet production line, and the adjustable installation beam plays a role in limiting the sliding platform.

A further improvement of the technical solution of the utility model is that a motor is fixedly installed on the outer side of one end of the adjusting mounting beam, a double-headed threaded rod is rotatably installed inside the adjusting mounting beam, one end of the rotating shaft of the double-headed threaded rod is fixedly connected to the output shaft of motor one, and the inner wall of the upper end of the sliding platform is threadedly connected to the outer surface of the double-headed threaded rod.

By adopting the above technical solution, when the motor is working, its output shaft drives the double-headed threaded rod to rotate, so that the sliding platform moves relatively under the limit cooperation of adjusting the installation beam.

A further improvement of the technical solution of the utility model is that the cutting unit includes a telescopic rod fixedly mounted on the sliding platform, a cutting blade mounting base is fixedly mounted on the output end of the telescopic rod, and a protective shell is movably mounted on the outer side of the cutting blade mounting base.

By adopting the above technical solution, a driving motor is fixedly installed on the back of the cutting disc mounting base, a cutting circular knife is fixedly installed on the output shaft of the driving motor, and the protective shell mainly plays a protective role for the cutting circular knife.

A further improvement of the technical solution of the utility model is that the guide roller unit includes guide rollers symmetrically rotatably mounted on the front and rear side walls of the cutting device mounting frame, the outer surface of one end of the guide roller is movably connected by a belt, the outer side wall of the cutting device mounting frame is fixedly mounted with motor 2, and the output shaft of the guide roller is fixedly connected to one end of motor 2.

By adopting the above technical solution, the output shaft of the second motor drives the guide roller to rotate, a belt is arranged between the second motor to make the front and rear guide rollers rotate simultaneously, and a support roller is fixedly installed at the lower middle of the cutting device mounting frame.

A further improvement of the technical solution of the utility model is that the waste guide unit includes a waste guide roller mounting frame which is snap-fitted to the front end side wall of the cutting device mounting frame, and a spring pressure plate is fixedly mounted on the lower end of the waste guide roller mounting frame.

By adopting the above technical solution, the waste guide roller mounting frame is fixedly mounted on the front end side wall of the cutting device mounting frame by means of bolts.

A further improvement of the technical solution of the utility model is that the waste material guide unit also includes a waste material guide roller, and the waste material guide roller is rotatably mounted on the outer surface of the spring pressure plate.

By adopting the above technical solution, the lowest point of the waste guide roller is lower than the highest point of the front guide roller.

Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

1. The utility model provides a sheet material cutting device for processing plastic products. The adjusting mounting crossbeam plays a role of limiting the sliding platform. When the motor works, its output shaft drives the double-headed threaded rod to rotate, so that the sliding platform moves relatively under the cooperation of the limiting mounting crossbeam. The cutting width of the circular cutting knives on both sides can be adjusted at the same time. The telescopic rod works to lower the cutting blade mounting base. The cutting blade mounting base plays the role of installing the driving motor and the cutting circular knife. The protective shell protects the cutting circular knife and is detachable for easy replacement of the cutting circular knife. The driving motor drives the cutting circular knife to rotate so that it cuts the sheet material passing thereunder, thereby ensuring that the cutting width on both sides of the sheet material is consistent and improving the accuracy of sheet material cutting.

2. The utility model provides a sheet cutting device for processing plastic products. When the motor 2 is working, its output shaft drives the guide roller to rotate. A belt is arranged between the motor 2 to make the front and rear two groups of guide rollers rotate at the same time. The sheet is guided into the support roller under the cutting circular knife for cutting and then guided out, so that the sheet keeps moving at a uniform speed for cutting, thereby improving the cutting efficiency.

3. The utility model provides a sheet material cutting device for processing plastic products. The waste guide roller mounting frame is installed at the front end of the cutting device mounting frame. The waste guide roller installed on the spring pressure plate below it presses the edge material of the sheet material after cutting and separates it from the guide roller at the front end for export under the spring pressure of the spring pressure plate, which provides convenience for the later winding of the sheet material.

BRIEF DESCRIPTION OF THE DRAWINGS

Fig. 1 is a schematic diagram of the structure of the utility model;

FIG2 is a schematic top view of the structure of the present invention;

FIG3 is a cross-sectional schematic diagram of a structural adjustment installation beam of the utility model;

FIG. 4 is a schematic diagram of disassembling the structural protective shell of the present invention.

In the figure: 1. Plastic processing sheet cutting device body; 11. Cutting device mounting frame; 2. Cutting mechanism; 21. Adjustment mounting beam; 22. Sliding platform; 23. Motor 1; 24. Double-headed threaded rod; 25. Telescopic rod; 26. Cutting sheet mounting base; 261. Protective shell; 3. Guide roller mechanism; 31. Motor 2; 32. Guide roller; 33. Waste guide roller mounting frame; 331. Spring pressure plate; 34. Waste guide roller.

Detailed ways

The present invention is further described in detail below in conjunction with the embodiments:

Example 1

As shown in Figs. 1-4, the utility model provides a sheet cutting device for processing plastic products, comprising a plastic processing sheet cutting device main body 1, the plastic processing sheet cutting device main body 1 comprises a cutting device mounting frame 11, a cutting mechanism 2 is arranged in the middle of the cutting device mounting frame 11, and guide roller mechanisms 3 are arranged on both sides of the cutting mechanism 2; the cutting mechanism 2 comprises a width adjustment unit and a cutting unit, the width adjustment unit is arranged at the middle top of the cutting device mounting frame 11, and the cutting unit is arranged below the width adjustment unit; the guide roller mechanism 3 comprises a guide roller unit and a waste material exporting unit, the guide roller units are arranged on both sides of the cutting unit, and the waste material exporting unit is arranged at the front end of the guide roller unit, the width adjustment unit comprises an adjustment installation crossbeam 21 fixedly mounted on the top of the cutting device mounting frame 11, and the inner part of the adjustment installation crossbeam 21 slides symmetrically A sliding platform 22 is installed, and the adjusting mounting crossbeam 21 plays a role in limiting the sliding platform 22. When the motor 23 works, its output shaft drives the double-headed threaded rod 24 to rotate, so that the sliding platform 22 moves relatively under the cooperation of the limiting position of the adjusting mounting crossbeam 21, and the cutting width of the circular cutting knives on both sides can be adjusted at the same time. A motor 23 is fixedly installed on the outside of one end of the adjusting mounting crossbeam 21, and a double-headed threaded rod 24 is rotatably installed inside the adjusting mounting crossbeam 21. One end of the rotating shaft of the double-headed threaded rod 24 is fixedly connected to the output shaft of the motor 23, and the inner wall of the upper end of the sliding platform 22 is threadedly connected to the outer surface of the double-headed threaded rod 24. The telescopic rod 25 works to lower the cutting blade mounting base 26, and the driving motor drives the cutting circular knife to rotate so that it cuts the sheet passing below it, ensuring that the cutting width on both sides of the sheet is consistent, thereby improving the accuracy of sheet cutting.

Example 2

As shown in Figures 1-4, on the basis of Example 1, the utility model provides a technical solution: preferably, the cutting unit includes a telescopic rod 25 fixedly mounted on the sliding platform 22, and a cutting blade mounting base 26 is fixedly mounted on the output end of the telescopic rod 25. A protective shell 261 is movably mounted on the outer side of the cutting blade mounting base 26. The cutting blade mounting base 26 plays the role of installing a driving motor and a cutting circular knife. The protective shell 261 protects the cutting circular knife and is detachable for easy replacement of the cutting circular knife. The guide roller unit includes a guide roller 32 symmetrically rotatably mounted on the front and rear side walls of the cutting device mounting frame 11. The outer surface of one end of the guide roller 32 is movably connected by a belt. A motor 2 31 is fixedly mounted on the outer side wall of the cutting device mounting frame 11. The output shaft of the guide roller 32 is fixedly connected to one end of the motor 2 31. When the motor 2 31 works, its output shaft drives the guide roller 32 to rotate. A belt is arranged between the motor 2 31 to make the front and rear two groups of guide rollers 32 rotate simultaneously, and the sheet is introduced into the support roller below the cutting circular knife for cutting and then exported, so that the sheet keeps moving at a uniform speed for cutting, thereby improving the cutting efficiency.

Example 3

As shown in Figures 1-4, on the basis of Example 1, the utility model provides a technical solution: preferably, the waste export unit includes a waste guide roller mounting frame 33 which is snap-fitted to the front end side wall of the cutting device mounting frame 11, and a spring pressure plate 331 is fixedly mounted on the lower end of the waste guide roller mounting frame 33. The waste export unit also includes a waste guide roller 34, which is rotatably mounted on the outer surface of the spring pressure plate 331. The waste guide roller mounting frame 33 is mounted on the front end of the cutting device mounting frame 11, and the waste guide roller 34 installed on the spring pressure plate 331 below it presses the edge material of the sheet after cutting off from the guide roller 32 at the front end for export, thereby providing convenience for the later winding of the sheet.

The working principle of the sheet material cutting device for processing plastic products will be described in detail below.

As shown in Figures 1-4, first, motor 1 23 works and its output shaft drives the double-headed threaded rod 24 to rotate, so that the sliding platform 22 moves relatively under the limit cooperation of the adjustment installation beam 21, and the cutting width of the circular cutting knives on both sides is adjusted. Then, motor 2 31 works and its output shaft drives the guide roller 32 to rotate. A belt is arranged between motor 2 31 to make the front and rear two sets of guide rollers 32 rotate at the same time, and the sheet is introduced into the support roller under the cutting circular cutting knife for cutting and then exported. The telescopic rod 25 works to make the cutting piece mounting base 26 descend, and the driving motor drives the cutting circular cutting knife to rotate so that it cuts the sheet passing under it. Finally, the waste guide roller mounting frame 33 is installed at the front end of the cutting device mounting frame 11, and the waste guide roller 34 installed on the spring pressure plate 331 below it presses the edge material of the sheet after cutting under the spring pressure of the spring pressure plate 331, and separates it from the guide roller 32 at the front end for export, which provides convenience for the later winding of the sheet.

The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not depart from the spirit of the present invention are within the scope of protection of the present invention.

Claims (7)

1. A sheet material cutting device for processing plastic products, comprising a plastic material processing sheet material cutting device body (1), the plastic material processing sheet material cutting device body (1) comprising a cutting device mounting frame (11), characterized in that: a cutting mechanism (2) is arranged in the middle of the cutting device mounting frame (11), and guide roller mechanisms (3) are arranged on both sides of the cutting mechanism (2); The cutting mechanism (2) comprises a width adjustment unit and a cutting unit, wherein the width adjustment unit is arranged at the top of the middle part of the cutting device mounting frame (11), and the cutting unit is arranged below the width adjustment unit; The guide roller mechanism (3) comprises a guide roller unit and a waste material outlet unit. The guide roller unit is arranged on both sides of the cutting unit, and the waste material outlet unit is arranged at the front end of the guide roller unit. 2. A sheet cutting device for processing plastic products according to claim 1, characterized in that: the width adjustment unit includes an adjustment mounting beam (21) fixedly mounted on the top of the cutting device mounting frame (11), and a sliding platform (22) is symmetrically slidably mounted inside the adjustment mounting beam (21). 3. A sheet material cutting device for processing plastic products according to claim 2, characterized in that: a motor 1 (23) is fixedly installed on the outer side of one end of the adjusting mounting crossbeam (21), a double-headed threaded rod (24) is rotatably installed inside the adjusting mounting crossbeam (21), one end of the rotating shaft of the double-headed threaded rod (24) is fixedly connected to the output shaft of the motor 1 (23), and the inner wall of the upper end of the sliding platform (22) is threadedly connected to the outer surface of the double-headed threaded rod (24). 4. A sheet material cutting device for processing plastic products according to claim 1, characterized in that: the cutting unit includes a telescopic rod (25) fixedly mounted on a sliding platform (22), a cutting blade mounting base (26) is fixedly mounted on the output end of the telescopic rod (25), and a protective shell (261) is movably mounted on the outer side of the cutting blade mounting base (26). 5. A sheet material cutting device for processing plastic products according to claim 1, characterized in that: the guide roller unit includes a guide roller (32) symmetrically rotatably mounted on the front and rear side walls of the cutting device mounting frame (11), the outer surface of one end of the guide roller (32) is movably connected by a belt, the outer side wall of the cutting device mounting frame (11) is fixedly mounted with a motor 2 (31), and the output shaft of the guide roller (32) is fixedly connected to one end of the motor 2 (31). 6. A sheet material cutting device for processing plastic products according to claim 1, characterized in that the waste material guide unit comprises a waste material guide roller mounting frame (33) which is snap-fitted to the front end side wall of the cutting device mounting frame (11), and a spring pressure plate (331) is fixedly mounted at the lower end of the waste material guide roller mounting frame (33). 7. A sheet material cutting device for processing plastic products according to claim 1, characterized in that the waste material outlet unit also includes a waste material guide roller (34), and the waste material guide roller (34) is rotatably mounted on the outer surface of the spring pressure plate (331).