Plastic film slitting equipment capable of preventing burrs

Abstract

The utility model relates to the technical field of plastic film slitting equipment, and discloses burr-proof plastic film slitting equipment which comprises a cutting device, a cutting device and a cutting device, a mounting rack; the second motors are arranged on the front face and the back face of the mounting frame, second guide rods are coaxially mounted on rotors of the second motors, mounting boxes are rotationally connected to the surfaces of the second guide rods, third hydraulic telescopic rods are mounted in the mounting boxes, and pressing plates are mounted at the output ends of the third hydraulic telescopic rods. A cutting groove is formed in the surface of the pressing plate. An additionally-arranged second motor can finally move a pressing plate to the cutting position of the plastic film, a third hydraulic telescopic rod is started to drive the pressing plate to move downwards to extrude the plastic film, the cutting position is exposed to a cutting groove, and therefore the cutting position can be prevented from being subjected to pulling force of a tensioning device when cut; and when the plastic film is cut, the cutting position can be prevented from being torn, the plastic film can be cut in order, and burrs are prevented from occurring at the cutting position of the plastic film.

Description

TECHNICAL FIELD

[0001] The utility model relates to plastic film slitting equipment technical field, concretely is plastic film slitting equipment of preventing burr. BACKGROUND

[0002] Plastic film slitting equipment is a kind of high-efficiency precision industrial processing machinery, four modules of unwinding, slitting, tension control and rewinding work together, and the wide parent roll is slitted and rewound into independent finished product roll according to preset size.

[0003] In the plastic film production process, slitting and rewinding is an important process, adopts servo motor drive, and plastic film is cut by cutter driven by hydraulic system, and plastic film is tensioned by tensioning device during cutting, to prevent the cutting of plastic film from appearing burr phenomenon;

[0004] But because the plastic film is in tension state when cutting the tensioned plastic film, the cutting of plastic film will be torn by tension force when a cut appears, so that the cutter is difficult to cut the plastic film neatly, and burr is prone to appear at the cutting of plastic film. INVENTION CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a plastic film slitting equipment to solve the problems that the cutter is difficult to cut the plastic film neatly and burr is prone to appear at the cutting of plastic film.

[0006] To achieve the above object, the utility model provides the following technical scheme: a plastic film slitting equipment to prevent burr, comprising:

[0007] The upper surface of the base is provided with a first hydraulic telescopic rod on the left and right sides, the output end of the first hydraulic telescopic rod is provided with a tensioning device, and the upper surface of the base is provided with a cutting table in the middle;

[0008] The mounting frame is arranged on the upper surface of the base, the upper surface of the mounting frame is provided with a second hydraulic telescopic rod, the output end of the second hydraulic telescopic rod is provided with a lifting frame, the bottom of the lifting frame is provided with a first motor, the rotor of the first motor is coaxially provided with a first guide rod, and the surface of the first guide rod is provided with a cutting knife.

[0009] The second motor is arranged on the front and back of the mounting frame, the rotor of the second motor is coaxially provided with a second guide rod, the surface of the second guide rod is provided with a mounting box, the inside of the mounting box is provided with a third hydraulic telescopic rod, the output end of the third hydraulic telescopic rod is provided with a pressing plate, and the surface of the pressing plate is provided with a cutting groove.

[0010] Preferably, the front and back of the tensioning device are provided with sliding blocks, the upper surface of the base is provided with sliding rails at the corresponding positions of the sliding blocks, and the sliding blocks are inserted into the sliding rails, so that the tensioning device can move linearly.

[0011] Preferably, the inner side of the mounting box is provided with limiting blocks, and the front and back of the cutting table are provided with limiting grooves, and the limiting blocks are embedded in the limiting grooves, so that the mounting box can move stably.

[0012] Preferably, the upper surface of the lifting frame is provided with limiting rods at four corners, and the limiting rods penetrate through the upper surface of the mounting frame, so that the lifting frame can move vertically.

[0013] Preferably, the upper surface of the cutting knife is provided with moving blocks at the front and back sides, the bottom of the lifting frame is provided with moving grooves at the front and back sides, and the moving blocks are installed in the moving grooves, so that the cutting knife can cut the plastic film evenly.

[0014] Preferably, the upper surface of the tensioning device is provided with fourth hydraulic telescopic rods, the output ends of the fourth hydraulic telescopic rods are provided with adjusting frames, the inner wall of the adjusting frame is provided with a first tensioning roller, and the inner cavity of the tensioning device is provided with a second tensioning roller, so that the fourth hydraulic telescopic rod can drive the adjusting frame to move up and down, thereby driving the first tensioning roller and the second tensioning roller to press the plastic film, and then the first hydraulic telescopic rod can drive the tensioning device to move to tension the plastic film. Beneficial effects

[0015] Compared with the prior art, the plastic film slitting equipment provided by the utility model has the following beneficial effects:

[0016] The plastic film slitting equipment provided by the utility model is provided with a second motor, which can drive the second guide rod to rotate, thereby driving the mounting box to move, and further driving the pressing plate to move, so that the pressing plate can be moved to the cutting position of the plastic film, the third hydraulic telescopic rod can be started to drive the pressing plate to move downward and press the plastic film, and the cutting position can be exposed to the cutting groove, so that the cutting position can be prevented from being subjected to the tension of the tensioning device when being cut, the cutting position can be prevented from being torn when the plastic film is cut, the plastic film can be cut neatly, and the cutting position of the plastic film can be prevented from having burrs. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of the utility model;

[0018] Figure 2 It is a structural schematic view of the cutting table of the utility model;

[0019] Figure 3It is the installation structure schematic view of the pressing plate of the utility model.

[0020] Figure 4 It is the structure schematic view of the tensioning device of the utility model.

[0021] Figure 5 It is the installation structure schematic view of the cutting knife of the utility model.

[0022] In the drawing: 1, base; 2, first hydraulic telescopic rod; 3, tensioning device; 4, mounting frame; 5, second hydraulic telescopic rod; 6, lifting frame; 7, first motor; 8, first guide rod; 9, cutting knife; 10, second motor; 11, second guide rod; 12, mounting box; 13, third hydraulic telescopic rod; 14, pressing plate; 15, cutting groove; 16, cutting table; 17, sliding block; 18, slide rail; 19, limiting block; 20, limiting groove; 21, limiting rod; 22, moving block; 23, moving groove; 24, fourth hydraulic telescopic rod; 25, adjusting frame; 26, first tensioning roller; 27, second tensioning roller. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0024] The utility model provides a kind of technical scheme, a plastic film slitting equipment of preventing burr, please refer to Figure 1 , including base 1, the upper surface of base 1 left and right sides are equipped with first hydraulic telescopic rod 2, the output end of first hydraulic telescopic rod 2 is equipped with tensioning device 3, the upper surface of base 1 middle part is equipped with cutting table 16;

[0025] Mounting frame 4 is set to the upper surface middle part of base 1, the upper surface of mounting frame 4 is equipped with second hydraulic telescopic rod 5, the output end of second hydraulic telescopic rod 5 is equipped with lifting frame 6, please refer to Figure 5 , the bottom of lifting frame 6 is equipped with first motor 7, the rotor of first motor 7 is coaxially equipped with first guide rod 8, and cutting knife 9 is screwed on the surface of first guide rod 8.

[0026] Starting first motor 7 can drive first guide rod 8 to rotate, so as to drive cutting knife 9 to move, cutting knife 9 is moved to the position required to be cut, starting second hydraulic telescopic rod 5 can drive lifting frame 6 to move downwards, so as to drive cutting knife 9 to cut plastic film;

[0027] Please refer to Figure 1, second motor 10, set in the front and back of the mounting frame 4, the rotor of the second motor 10 is coaxially installed with the second guide rod 11, the surface of the second guide rod 11 is screwed with the mounting box 12, please refer to Figure 3 , the inside of the mounting box 12 is installed with the third hydraulic telescopic rod 13, the output end of the third hydraulic telescopic rod 13 is installed with the pressing plate 14, the surface of the pressing plate 14 is provided with the cutting groove 15;

[0028] Starting the second motor 10 can drive the second guide rod 11 to rotate, so as to drive the mounting box 12 to move, and then drive the pressing plate 14 to move, move the pressing plate 14 to the cutting position of the plastic film, start the third hydraulic telescopic rod 13 to drive the pressing plate 14 to move downward to extrude the plastic film, expose the cutting position to the cutting groove 15, so as to avoid the cutting position being stretched by the tension device 3 when cutting, avoid tearing the cutting position when cutting the plastic film, and cut the plastic film neatly to prevent the cutting position of the plastic film from appearing burr.

[0029] Please refer to Figure 1 , the front and back of the tension device 3 are installed with the sliding block 17, the upper surface of the base 1 is installed with the sliding rail 18 at the corresponding position of the sliding block 17, the sliding block 17 is inserted into the inside of the sliding rail 18, so that the tension device 3 can move linearly.

[0030] Please refer to Figure 2 , the inside of the mounting box 12 is installed with the limiting block 19, the front and back of the cutting table 16 are provided with the limiting groove 20, the limiting block 19 is embedded in the inside of the limiting groove 20, so that the mounting box 12 can move stably.

[0031] Please refer to Figure 5 , the upper surface of the lifting frame 6 is installed with the limiting rod 21 at the four corners, the limiting rod 21 penetrates the upper surface of the mounting frame 4, so that the lifting frame 6 can move vertically.

[0032] The upper surface of the cutting knife 9 is installed with the moving block 22 at the front and back sides, the bottom of the lifting frame 6 is provided with the moving groove 23 at the front and back sides, the moving block 22 is installed in the inside of the moving groove 23, so that the cutting knife 9 can cut the plastic film evenly.

[0033] Please refer to Figure 4 , the upper surface of the tension device 3 is installed with the fourth hydraulic telescopic rod 24, the output end of the fourth hydraulic telescopic rod 24 is installed with the adjusting frame 25, the inner wall of the adjusting frame 25 is installed with the first tension roller 26, the lower part of the inner cavity of the tension device 3 is installed with the second tension roller 27, starting the fourth hydraulic telescopic rod 24 can drive the adjusting frame 25 to rise and fall, so as to drive the first tension roller 26 and the second tension roller 27 to extrude the plastic film, and then start the first hydraulic telescopic rod 2 to drive the tension device 3 to move to tension the plastic film.

[0034] The fourth hydraulic telescopic rod 24 is started first in operation, which can drive the adjusting frame 25 to lift, so as to drive the first tensioning roller 26 and the second tensioning roller 27 to extrude the plastic film, the first hydraulic telescopic rod 2 is started to drive the tensioning device 3 to move and tension the plastic film, the second motor 10 is started to drive the second guide rod 11 to rotate, so as to drive the mounting box 12 to move, and then drive the pressing plate 14 to move, the pressing plate 14 is moved to the cutting position of the plastic film, the third hydraulic telescopic rod 13 is started to drive the pressing plate 14 to move downward and extrude the plastic film, so that the cutting position is exposed to the cutting groove 15, so as to avoid the cutting position from being pulled by the tensioning device 3 when being cut, and avoid the cutting position from being torn when cutting the plastic film, so as to cut the plastic film neatly and prevent the cutting position of the plastic film from being rough, finally, the first motor 7 is started to drive the first guide rod 8 to rotate, so as to drive the cutting knife 9 to move, the cutting knife 9 is moved to the position to be cut, the second hydraulic telescopic rod 5 is started to drive the lifting frame 6 to move downward, so as to drive the cutting knife 9 to cut the plastic film.

[0035] It should be noted that the relative terms such as first and second and the like are used herein solely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0036] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments change, modify, replace, and vary in many ways without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A plastic film slitting apparatus for preventing fraying, characterized by comprising: The utility model relates to a cutting device for cutting machine, including: The upper surface of base (1) both sides installs first hydraulic telescopic link (2), and the output end of first hydraulic telescopic link (2) installs tensioning device (3), and the upper surface of base (1) middle part installs cutting table (16); Mounting bracket (4) is arranged in the upper surface middle part of base (1), and the upper surface of mounting bracket (4) installs second hydraulic telescopic link (5), and the output end of second hydraulic telescopic link (5) installs lifting frame (6), and the bottom of lifting frame (6) installs first motor (7), and the rotor coaxial of first motor (7) installs first guide rod (8), and the surface of first guide rod (8) is screwed with cutting knife (9); Second motor (10) is arranged in the front and back of mounting bracket (4), and the rotor of second motor (10) is coaxial with second guide rod (11), and the surface of second guide rod (11) is screwed with mounting box (12), and the inside of mounting box (12) installs third hydraulic telescopic link (13), and the output end of third hydraulic telescopic link (13) installs pressing plate (14), and the surface of pressing plate (14) is provided with cutting groove (15).

2. The plastic film slitting apparatus of claim 1, wherein: The front and back of tensioning device (3) are equipped with sliding block (17), and the upper surface of base (1) is equipped with sliding rail (18) in corresponding position with sliding block (17).

3. The plastic film slitting apparatus of claim 1, wherein: The inner side of mounting box (12) is equipped with limit block (19), and the front and back of cutting table (16) are provided with limit slot (20).

4. The plastic film slitting apparatus of claim 1, wherein: The upper surface of lifting frame (6) four corners is equipped with limit rod (21), and limit rod (21) all penetrates the upper surface of mounting bracket (4).

5. The apparatus according to claim 1, wherein: The upper surface of cutting knife (9) both sides is equipped with moving block (22), and the bottom of lifting frame (6) both sides is provided with moving slot (23).

6. The plastic film slitting apparatus of claim 1, wherein: The upper surface of tensioning device (3) is equipped with fourth hydraulic telescopic link (24), and the output end of fourth hydraulic telescopic link (24) is equipped with adjusting frame (25), and the inner wall of adjusting frame (25) is equipped with first tensioning roller (26), and the lower part of the inner chamber of tensioning device (3) is equipped with second tensioning roller (27).

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