Die cutting forming device for PET polyester film

Abstract

The utility model discloses a die-cutting forming device for a PET (polyethylene terephthalate) polyester film, relates to the technical field of film die-cutting devices, and solves the problems that when an existing device is used, the film is in a die core after die cutting and is inconvenient to take out, the PET polyester film can be pressed tightly only by manual operation, the position of a pressing plate is fixed and cannot be adjusted, and the practicability is reduced. According to the scheme, the automatic ejection mechanism comprises a base, stand columns are fixedly connected to the two sides of the upper surface of the base, a top plate is fixedly connected to the top ends of the stand columns, an electric push rod is fixedly connected to the upper surface of the top plate in a penetrating mode, and a lower die base is fixedly connected to the upper surface of the base. According to the PET polyester film die-cutting device, the die-cutting mechanism is arranged, the die-cutting mechanism is arranged, the ejector plate can be automatically driven to move upwards to eject the die-cut PET polyester film out, so that the PET polyester film is conveniently taken out, the adjustable pressing mechanism is arranged, the PET polyester film can be automatically pressed, manual pressing is not needed, the PET polyester films with different widths can be pressed, and the practicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of film die-cutting devices, in particular to a die-cutting and forming device for PET polyester films. Background Art

[0002] PET polyester film is commonly used in the packaging industry. At present, when PET polyester film is used, it is generally die-cut into corresponding shapes according to the purpose, and the corresponding die-cutting and forming device is required. After searching, the Chinese patent authorization number CN217621028U discloses a die-cutting and forming device for PET polyester film, which is designed with a die-cutting plate with a corresponding die-cutting blade. The die-cutting plate can be raised and lowered relative to the bearing seat through a driving structure. Through the cooperation of the die-cutting blade and the die core, the PET polyester film sheet of the desired shape can be quickly cut and formed, thereby improving the efficiency and effect of the die-cutting process.

[0003] Although the above technical solution can quickly cut and form PET polyester film sheets of the desired shape, thereby improving the efficiency and effect of the die-cutting process, the film will be inside the mold core after die-cutting during use and is inconvenient to remove, and manual operation is required to compact the PET polyester film and the position of the pressure plate is fixed and cannot be adjusted, thereby reducing practicality. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a die-cutting and forming device for PET polyester film, which solves the problems in the prior art that the film will be inside the mold core after die-cutting and is inconvenient to remove, and manual operation is required to press the PET polyester film and the position of the pressure plate is fixed and cannot be adjusted, which reduces practicality.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a die-cutting and forming device for PET polyester film, comprising a base, both sides of the upper surface of the base are fixedly connected with columns, the top of the column is fixedly connected with a top plate, the upper surface of the top plate is penetrated and fixedly connected with an electric push rod, the upper surface of the base is fixedly connected with a lower die seat, the bottom end of the movable end of the electric push rod is fixedly connected with an upper die seat, the upper surface of the lower die seat is provided with a die-cutting cavity for die-cutting and forming PET polyester film, the lower surface of the upper die seat is fixedly connected with a die-cutting knife matched with the die-cutting cavity, the interior of the lower die seat is penetrated with an automatic ejection mechanism for ejecting the formed PET polyester film, and the outer surface of the upper die seat is penetrated with an adjustable pressing mechanism for pressing the PET polyester film;

[0006] The automatic ejection mechanism includes an L-shaped groove opened inside the lower die base and connected to the die-cutting cavity, a first L-shaped rod is slidably connected inside the L-shaped groove, one end of the first L-shaped rod is fixedly connected to an ejection plate slidably connected to the inner wall of the die-cutting cavity, and a first spring is fixedly connected between the lower surface of the first L-shaped rod and the inside of the L-shaped groove.

[0007] Preferably, a second L-shaped rod cooperating with the first L-shaped rod is fixedly connected to one side of the outer surface of the upper die seat, so as to facilitate pressing down the ejector plate when the die cutting knife descends, thereby avoiding contact between the die cutting knife and the ejector plate, which causes wear of the die cutting knife.

[0008] Preferably, the adjustable clamping mechanism includes vertical rods symmetrically fixedly connected to both sides of the upper surface of the upper mold base, a rectangular frame is slidably connected through the outer surfaces of the two vertical rods, a second spring is fixedly connected between the lower surface of the rectangular frame and the upper surface of the upper mold base, a two-way screw rod is rotatably connected through the inside of the rectangular frame, the outer surface of the two-way screw rod is symmetrically threadedly connected to two cross rods, the lower surfaces of the two cross rods are symmetrically fixedly connected to connecting rods, a pressure plate is fixedly connected between the bottom ends of the two connecting rods on one side, the rotation of the two-way screw rod drives the two cross rods to move relative to each other, and then drives the two pressure plates to move relative to each other, so that the distance between the pressure plates can be adjusted.

[0009] Preferably, a guide rod is slidably connected through the outer surfaces of the two cross bars, and both ends of the guide rod are fixedly connected to the inner wall of the rectangular frame, so as to facilitate guiding the two cross bars.

[0010] Preferably, travel grooves are symmetrically provided on both sides of the outer surface of the upper die seat, and the connecting rod is slidably connected to the inner wall of the corresponding travel groove to facilitate the normal movement of the connecting rod.

[0011] Preferably, both sides of the lower surface of the upper mold base are provided with storage grooves for accommodating the pressing plate, so as to facilitate the storage of the pressing plate.

[0012] The utility model provides a die-cutting and forming device for PET polyester film, which has the following beneficial effects:

[0013] 1. The die-cutting and forming device of the PET polyester film can automatically drive the ejection plate to move upward to eject the die-cut PET polyester film after the die-cutting of the PET polyester film is completed through the automatic ejection mechanism, so as to facilitate the removal of the PET polyester film, thereby solving the problem of the existing device that the film will be inside the mold core after die-cutting and is inconvenient to remove.

[0014] 2. The die-cutting and forming device for PET polyester film can not only automatically press the PET polyester film without manual pressing by means of the adjustable pressing mechanism, but also can press PET polyester films of different widths, thereby improving practicality, thereby solving the problem that the existing device requires manual operation to press the PET polyester film and the position of the pressing plate is fixed and cannot be adjusted, thereby reducing practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a schematic diagram of another angle of the present invention;

[0017] Figure 3 It is a structural schematic diagram of the lower die base and the ejector plate of the utility model;

[0018] Figure 4 This is a schematic diagram of the internal structure of the lower die base of the utility model;

[0019] Figure 5 It is a structural schematic diagram of the upper die base and the die cutting knife of the utility model;

[0020] Figure 6 It is a structural schematic diagram of the adjustable pressing mechanism of the utility model.

[0021] In the figure, 1. base; 2. column; 3. top plate; 4. electric push rod; 5. lower die base; 6. upper die base; 7. die-cutting cavity; 8. die-cutting knife; 9. automatic ejector mechanism; 91. L-shaped groove; 92. first L-shaped rod; 93. ejector plate; 94. first spring; 95. second L-shaped rod; 10. adjustable clamping mechanism; 101. vertical rod; 102. rectangular frame; 103. second spring; 104. bidirectional screw rod; 105. cross rod; 106. connecting rod; 107. pressure plate; 108. guide rod; 109. travel groove; 1010. storage groove. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Embodiment 1:

[0024] like Figures 1 to 4As shown, a die-cutting and forming device for PET polyester film comprises a base 1, both sides of the upper surface of the base 1 are fixedly connected with columns 2, the top of the columns 2 is fixedly connected with a top plate 3, the upper surface of the top plate 3 is penetrated and fixedly connected with an electric push rod 4, the upper surface of the base 1 is fixedly connected with a lower die seat 5, the bottom end of the movable end of the electric push rod 4 is fixedly connected with an upper die seat 6, the upper surface of the lower die seat 5 is provided with a die-cutting cavity 7 for die-cutting and forming PET polyester film, the lower surface of the upper die seat 6 is fixedly connected with a die-cutting knife 8 matched with the die-cutting cavity 7, the interior of the lower die seat 5 is penetrated and installed with an automatic ejection mechanism 9 for ejecting the formed PET polyester film, the automatic ejection mechanism 9 includes a mechanism provided in the interior of the lower die seat 5 and in contact with the die-cutting cavity 7. An L-shaped groove 91 is connected to the die-cutting cavity 7, and a first L-shaped rod 92 is slidably connected inside the L-shaped groove 91. One end of the first L-shaped rod 92 is fixedly connected to an ejector plate 93 slidably connected to the inner wall of the die-cutting cavity 7. A first spring 94 is fixedly connected between the lower surface of the first L-shaped rod 92 and the inside of the L-shaped groove 91. One side of the outer surface of the upper die base 6 is fixedly connected to a second L-shaped rod 95 that cooperates with the first L-shaped rod 92. After the die-cutting of the PET polyester film is completed, the first spring 94 will automatically drive the first L-shaped rod 92 to reset, and drive the ejector plate 93 to move upward to eject the die-cut PET polyester film, thereby facilitating the removal of the PET polyester film, thereby solving the problem that the film of the existing device will be inside the mold core after die-cutting and is inconvenient to remove.

[0025] Embodiment 2:

[0026] like Figure 1 , Figure 2 , Figure 5 and Figure 6As shown, the outer surface of the upper die seat 6 is penetrated by an adjustable clamping mechanism 10 for clamping the PET polyester film. The adjustable clamping mechanism 10 includes vertical rods 101 symmetrically fixedly connected to the two sides of the upper surface of the upper die seat 6. A rectangular frame 102 is slidably connected between the outer surfaces of the two vertical rods 101. A second spring 103 is fixedly connected between the lower surface of the rectangular frame 102 and the upper surface of the upper die seat 6. A bidirectional screw rod 104 is rotatably connected inside the rectangular frame 102. Two cross rods 105 are symmetrically threadedly connected to the outer surface of the bidirectional screw rod 104. The lower surfaces of the two cross rods 105 are symmetrically fixedly connected to connecting rods 106. A pressing plate 107 is fixedly connected between the bottom ends of the two connecting rods 106 on one side. A guide rod 108 is slidably connected between the outer surfaces of the two cross rods 105. Both ends of the guide rod 108 are fixedly connected to the inner wall of the rectangular frame 102. Both sides of the outer surface of the upper die seat 6 are symmetrically provided with travel grooves 109, and the connecting rod 106 is slidably connected to the inner wall of the corresponding travel groove 109. Both sides of the lower surface of the upper die seat 6 are provided with receiving grooves 1010 for receiving the pressing plate 107. When the upper die seat 6 descends, the pressing plate 107 will preferentially contact the surface of the PET polyester film, and the PET polyester film will be pressed tightly under the action of the second spring 103 without manual pressing, thereby solving the problem that the existing device requires manual operation to achieve the pressing of the PET polyester film, and rotating the bidirectional screw 104 can simultaneously drive the crossbars 105 and the pressing plate 107 on both sides to move relative to each other, so that PET polyester films of different widths can be pressed, thereby improving practicality, thereby solving the problem that the position of the pressing plate of the existing device is fixed and cannot be adjusted, thereby reducing practicality.

[0027] Working principle: When in use, the PET polyester film to be die-cut is placed on the lower die base 5, and then the electric push rod 4 is started to drive the upper die base 6 to move downward. When the upper die base 6 descends, the pressure plate 107 will first contact the surface of the PET polyester film, and the PET polyester film will be pressed tightly under the action of the second spring 103, without manual pressing, thereby solving the problem that the existing device requires manual operation to achieve the compression of the PET polyester film. Then the die-cutting knife 8 cooperates with the die-cutting cavity 7 to die-cut the film. After the die-cutting is completed, the upper die base 6 rises, and at this time the first spring 94 will automatically drive the first The L-shaped rod 92 is reset and drives the ejection plate 93 to move upward to eject the die-cut PET polyester film, thereby facilitating the removal of the PET polyester film, thereby solving the problem of the existing device that the film will be inside the mold core after die-cutting and is inconvenient to remove, and when die-cutting PET polyester films of different widths, the bidirectional screw rod 104 can be rotated first to simultaneously drive the cross bars 105 and the pressing plate 107 on both sides to move relative to each other, so that PET polyester films of different widths can be pressed, thereby improving practicality, thereby solving the problem that the position of the pressing plate of the existing device is fixed and cannot be adjusted, thereby reducing practicality.

[0028] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is defined by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0029] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A die-cutting device for PET polyester film, comprising a base (1), characterized in that: The upper surface of the base (1) is fixedly connected to columns (2) on both sides, the top of the column (2) is fixedly connected to a top plate (3), the upper surface of the top plate (3) is penetrated and fixedly connected to an electric push rod (4), the upper surface of the base (1) is fixedly connected to a lower die seat (5), the movable end of the electric push rod (4) is fixedly connected to an upper die seat (6), the upper surface of the lower die seat (5) is provided with a die-cutting cavity (7) for die-cutting PET polyester film, the lower surface of the upper die seat (6) is fixedly connected to a die-cutting knife (8) matched with the die-cutting cavity (7), the interior of the lower die seat (5) is penetrated and installed with an automatic ejection mechanism (9) for ejecting the formed PET polyester film, and the outer surface of the upper die seat (6) is penetrated and installed with an adjustable pressing mechanism (10) for pressing the PET polyester film; The automatic ejection mechanism (9) comprises an L-shaped groove (91) which is opened inside the lower die base (5) and communicates with the die-cutting cavity (7); a first L-shaped rod (92) is slidably connected inside the L-shaped groove (91); one end of the first L-shaped rod (92) is fixedly connected to an ejection plate (93) which is slidably connected to the inner wall of the die-cutting cavity (7); and a first spring (94) is fixedly connected between the lower surface of the first L-shaped rod (92) and the inside of the L-shaped groove (91).

2. A die-cutting and forming device for PET polyester film according to claim 1, characterized in that: A second L-shaped rod (95) matching with the first L-shaped rod (92) is fixedly connected to one side of the outer surface of the upper die seat (6).

3. A die-cutting and forming device for PET polyester film according to claim 1, characterized in that: The adjustable clamping mechanism (10) comprises vertical rods (101) symmetrically fixedly connected to both sides of the upper surface of the upper die seat (6); a rectangular frame (102) is slidably connected through the outer surfaces of the two vertical rods (101); a second spring (103) is fixedly connected between the lower surface of the rectangular frame (102) and the upper surface of the upper die seat (6); a bidirectional screw rod (104) is rotatably connected through the interior of the rectangular frame (102); two cross rods (105) are symmetrically threadedly connected to the outer surface of the bidirectional screw rod (104); connecting rods (106) are symmetrically fixedly connected to the lower surfaces of the two cross rods (105); a pressure plate (107) is fixedly connected between the bottom ends of the two connecting rods (106) on one side.

4. A die-cutting and forming device for PET polyester film according to claim 3, characterized in that: A guide rod (108) is slidably connected through the outer surfaces of the two cross bars (105), and both ends of the guide rod (108) are fixedly connected to the inner wall of the rectangular frame (102).

5. A die-cutting and forming device for PET polyester film according to claim 4, characterized in that: Both sides of the outer surface of the upper die seat (6) are symmetrically provided with travel grooves (109), and the connecting rod (106) is slidably connected to the inner walls of the corresponding travel grooves (109).

6. A die-cutting and forming device for PET polyester film according to claim 5, characterized in that: Both sides of the lower surface of the upper die seat (6) are provided with receiving grooves (1010) for receiving the pressing plate (107).

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