Electric knife automatic cut-off assembly convenient to disassemble and assemble

Abstract

The utility model discloses an electric heating knife automatic cutting-off assembly convenient to disassemble and assemble, and relates to the technical field of composite materials. Comprising a mounting base, thin air cylinders are symmetrically arranged on the mounting base, connecting blocks are fixed to the top ends of the thin air cylinders, heat insulation blocks are arranged at the top ends of the connecting blocks, an electric heating cutter body is mounted on the heat insulation blocks, a plurality of electric heating pieces are arranged on the outer side face of the electric heating cutter body, and a plurality of mounting pressing plates are arranged on the outer side face of the electric heating cutter body and matched with the electric heating pieces. The installation pressing plate is used for installing an electric heating piece, and the electric heating piece makes contact with the electric heating knife body. Through the arrangement of the assembly and the installation structure, the thin air cylinder drives the electric heating cutter body to do lifting reciprocating motion, the device is easy to adapt to the non-stop automatic roll changing condition, materials are rapidly cut off, the electric heating piece heats the electric heating cutter body, the electric heating cutter body enables a PE film to be cut more neatly in the cutting process, and meanwhile the cutting efficiency is improved. The installation structure facilitates installation and disassembly of the heat insulation cover shell, and inspection of the interior of the assembly is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of composite materials, and particularly relates to an automatic cutting assembly of an electric heating knife that is convenient for disassembly and assembly. Background Art

[0002] In the field of composite materials, it is necessary to cut the PE film online. Especially when cooperating with a double-station winding and unwinding device, without stopping the machine to automatically replace the PE unit, after the connection, it is necessary to control the program, automatically and quickly cut the raw material roll. Currently, the cutting is done manually with a paper cutter.

[0003] There is a defect in an existing automatic cutting device for cyclic color difference composites (authorization announcement number: CN218576398U): The above device realizes maintaining the cutting accuracy of the product while the conveyor belt is continuously conveying during cutting. However, for some existing manual cutting and mechanical sawtooth knife cutting methods, there are problems in being not easy to adapt to non-stop automatic roll change and quick cutting of materials, and the cutting is not easy to be neat. Therefore, the present utility model is proposed. Content of the Utility Model

[0004] The purpose of the present utility model is to provide an automatic cutting assembly of an electric heating knife that is convenient for disassembly and assembly, so as to solve the problems raised in the above background art.

[0005] To achieve the above purpose, the present utility model provides the following technical solution: An automatic cutting assembly of an electric heating knife that is convenient for disassembly and assembly, including a mounting seat, thin cylinders are symmetrically arranged on the mounting seat, connection blocks are fixed at the tops of the thin cylinders, heat insulation blocks are arranged at the tops of the connection blocks, an electric heating knife body is installed on the heat insulation blocks, a plurality of electric heating sheets are arranged on the outer side of the electric heating knife body, a plurality of mounting pressing plates are arranged on the outer side of the electric heating knife body, the mounting pressing plates are adapted to the electric heating sheets, the mounting pressing plates are used for installing the electric heating sheets, the electric heating sheets are in contact with the electric heating knife body, a plurality of U-shaped fixing seats are fixed on the mounting seat, the U-shaped fixing seats are symmetrically arranged on both sides of the thin cylinders, a heat insulation cover is arranged on the mounting seat, and a mounting structure is arranged between the heat insulation cover and the mounting seat.

[0006] Preferably, the thin cylinders are used to drive the electric heating knife body to reciprocate up and down in the vertical direction, and a knife hole adapted to the electric heating knife body is opened at the top of the heat insulation cover, and the knife hole is used to facilitate the extending and retracting actions of the electric heating knife body.

[0007] Preferably, a limiting component is arranged between the connection block and the U-shaped fixing seat. The limiting component includes horizontal bars arranged on the front and back sides of the connection block, limiting bars are horizontally fixed at both ends of the horizontal bars, and vertical grooves adapted to the horizontal bars for vertical sliding are opened on the U-shaped fixing seats.

[0008] Preferably, the installation structure includes installation grooves symmetrically formed on both the front and back sides of the installation base. Springs are connected inside the installation grooves, and connecting cross plates are provided on both the front and back sides of the installation base.

[0009] Preferably, both ends of the connecting cross plate are respectively connected to the outer ends of the springs at corresponding positions. Locking vertical plates are fixed at both ends of the connecting cross plate, and insertion rods are fixed at the tops of the locking vertical plates. The insertion rods are inserted into the U-shaped fixing seat and the heat insulation cover shell.

[0010] Preferably, fixing vertical plates are symmetrically fixed to the bottom surface of the installation base. A screw rod is rotatably inserted between the fixing vertical plates on one side, and a fixing rod is fixed on the other side. The connecting cross plates are respectively sleeved at both ends of the screw rod and the fixing rod. A first rotating gear is sleeved and fixed in the middle of the screw rod. A second rotating gear is meshed with one side of the first rotating gear. A shaft rod is fixedly inserted through the middle axis of the second rotating gear. One end of the shaft rod is connected to a rotating motor, and a U-shaped plate is rotatably sleeved on the shaft rod. The U-shaped plate is fixed to the bottom surface of the installation base.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0012] For this easy-to-disassemble and assemble automatic cutting component of the electric heating knife, through the setting of the component and the installation structure, the thin cylinder drives the electric heating knife body to perform reciprocating lifting movement, which is easy to adapt to the condition of automatic roll change without stopping, quickly cuts the material, and the electric heating sheet heats the electric heating knife body, so that the PE film is cut more neatly during the cutting process. At the same time, the installation structure facilitates the installation and disassembly of the heat insulation cover shell and is convenient for inspecting the inside of the component. Description of the Drawings

[0013] Figure 1 is the first three-dimensional structure schematic diagram of the present utility model;

[0014] Figure 2 is the second three-dimensional structure schematic diagram of the present utility model;

[0015] Figure 3 is the first cross-sectional view of the present utility model;

[0016] Figure 4 is the second cross-sectional view of the present utility model;

[0017] Figure 5 is the three-dimensional split structure schematic diagram of the present utility model with the heat insulation cover shell removed.

[0018] In the figure: 1, mounting base; 2, electric heating knife body; 3, electric heating sheet; 4, thin cylinder; 5, heat insulation block; 6, connecting block; 7, U-shaped fixing base; 8, mounting pressing plate; 9, heat insulation cover; 10, mounting groove; 11, spring; 12, locking vertical plate; 13, inserting rod; 14, connecting horizontal plate; 15, screw rod; 16, fixing vertical plate; 17, first rotating gear; 18, second rotating gear; 19, horizontal rod; 20, limiting rod. Detailed implementation manner

[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0020] During the process of PE film cutting operation, a cutting assembly needs to be used. The cutting assembly provided by the present invention is specifically used for quickly cutting materials with the electric heating knife body 2 of the PE film, ensuring the smoothness of the cutting operation. And through the setting of the installation structure, it is convenient to carry out the installation and disassembly operations of the heat insulation cover 9. During the use of this assembly, it needs to be checked and other preparatory work in advance to ensure the normal operation of the assembly.

[0021] As Figures 1 - 5 shown, the present invention provides a technical solution: an electric heating knife automatic cutting assembly that is convenient for disassembly and assembly, including a mounting base 1. Thin cylinders 4 are symmetrically arranged on the mounting base 1. Connecting blocks 6 are fixed to the tops of the thin cylinders 4. Heat insulation blocks 5 are arranged on the tops of the connecting blocks 6. An electric heating knife body 2 is installed on the heat insulation block 5. A plurality of electric heating sheets 3 are arranged on the outer side surface of the electric heating knife body 2. A plurality of mounting pressing plates 8 are arranged on the outer side surface of the electric heating knife body 2. The mounting pressing plates 8 are adapted to the electric heating sheets 3. The mounting pressing plates 8 are used to install the electric heating sheets 3. The electric heating sheets 3 are in contact with the electric heating knife body 2. A plurality of U-shaped fixing bases 7 are fixed on the mounting base 1. The U-shaped fixing bases 7 are symmetrically arranged on both sides of the thin cylinders 4. A heat insulation cover 9 is arranged on the mounting base 1. An installation structure is arranged between the heat insulation cover 9 and the mounting base 1.

[0022] In an embodiment, the thin cylinder 4 is used to drive the electric heating blade body 2 to reciprocate up and down in the vertical direction. A knife hole adapted to the electric heating blade body 2 is provided at the top of the heat insulation cover shell 9. The knife hole is used to facilitate the extension and retraction movements of the electric heating blade body 2. A limiting component is provided between the connecting block 6 and the U-shaped fixing seat 7. The limiting component includes horizontal rods 19 arranged on the front and back sides of the connecting block 6. Limiting rods 20 are horizontally fixed at both ends of the horizontal rod 19. Vertical grooves adapted to the vertical sliding of the horizontal rod 19 are provided on the U-shaped fixing seat 7. Among them, the thin cylinder 4, the electric heating blade body 2, the electric heating sheet 3, and the mounting pressing plate 8 are prior arts.

[0023] In an embodiment, the mounting structure includes mounting grooves 10 symmetrically provided on the front and back sides of the mounting seat 1. Springs 11 are connected in the mounting grooves 10. Connecting horizontal plates 14 are provided on the front and back sides of the mounting seat 1. The two ends of the connecting horizontal plates 14 are respectively connected to the outer ends of the springs 11 at the corresponding positions. Locking vertical plates 12 are fixed at both ends of the connecting horizontal plates 14. Insertion rods 13 are fixed at the tops of the locking vertical plates 12. The insertion rods 13 are inserted into the U-shaped fixing seat 7 and the heat insulation cover shell 9. Among them, the stretching and contraction of the springs 11 cause the locking vertical plates 12 and the insertion rods 13 to move outward and inward as a whole.

[0024] In an embodiment, fixing vertical plates 16 are symmetrically fixed on the bottom surface of the mounting seat 1. A screw rod 15 is rotatably inserted between the fixing vertical plates 16 on one side, and a fixing rod is fixed on the other side. The connecting horizontal plates 14 are respectively sleeved at both ends of the screw rod 15 and the fixing rod. A first rotating gear 17 is sleeved and fixed in the middle of the screw rod 15. A second rotating gear 18 is meshed with one side of the first rotating gear 17. A shaft rod is fixedly inserted in the middle axis of the second rotating gear 18. One end of the shaft rod is connected to a rotating motor. A U-shaped plate is rotatably sleeved on the shaft rod. The U-shaped plate is fixed to the bottom surface of the mounting seat 1. Through the setting of the components and the mounting structure, the thin cylinder 4 drives the electric heating blade body 2 to reciprocate up and down, which is easy to adapt to the situation of automatic roll change without stopping and quickly cut the material. The electric heating sheet 3 heats the electric heating blade body 2, so that the PE film is cut more neatly during the cutting process. At the same time, the mounting structure facilitates the installation and disassembly of the heat insulation cover shell 9 and is convenient for inspecting the inside of the components. The rotating motor is a servo motor with a self-locking function in the prior art. Thread grooves adapted to the external thread of the screw rod 15 and with the same and opposite directions are respectively provided in the connecting horizontal plates 14. The connecting horizontal plates 14 slide relative to the fixing rod.

[0025] Working principle: When using this component, install the component, place the heat insulation cover 9 on the mounting base 1, start the rotating motor through the installation structure, so that the screw 15 rotates, making the connecting cross plates 14 approach each other, driving the locking vertical plate 12 and the insertion rod 13 to move closer as a whole, ensuring that the insertion rod 13 is inserted into the heat insulation cover 9 and the U-shaped fixing seat 7. When cutting operation is carried out, the electric heating sheet 3 heats the electric heating knife body 2, stops heating after reaching the appropriate temperature, then the thin cylinder 4 starts, making the thin cylinder 4 drive the electric heating knife body 2 to rise for cutting operation. After cutting, the electric heating knife body 2 is retracted into the heat insulation cover 9 under the drive of the thin cylinder 4.

[0026] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended embodiments and their equivalents.

Claims

1. An automatic cutting assembly for an electric heating knife that is convenient for disassembly and assembly, comprising a mounting base (1), characterized in that: Thin cylinders (4) are symmetrically arranged on the mounting base (1). Connecting blocks (6) are fixed to the tops of the thin cylinders (4). Heat insulation blocks (5) are arranged on the tops of the connecting blocks (6). An electric heating knife body (2) is installed on the heat insulation block (5). A plurality of electric heating sheets (3) are arranged on the outer side surface of the electric heating knife body (2). A plurality of mounting pressing plates (8) are arranged on the outer side surface of the electric heating knife body (2). The mounting pressing plates (8) are adapted to the electric heating sheets (3). The mounting pressing plates (8) are used for installing the electric heating sheets (3). The electric heating sheets (3) are in contact with the electric heating knife body (2). A plurality of U-shaped fixing seats (7) are fixed on the mounting base (1). The U-shaped fixing seats (7) are symmetrically arranged on both sides of the thin cylinders (4). A heat insulation cover (9) is arranged on the mounting base (1). An installation structure is arranged between the heat insulation cover (9) and the mounting base (1).

2. The automatic cutting assembly of the electric heating knife that is convenient for disassembly and assembly according to claim 1, wherein: The thin cylinder (4) is used to drive the electric heating knife body (2) to reciprocate up and down in the vertical direction. A knife hole adapted to the electric heating knife body (2) is opened at the top of the heat insulation cover (9). The knife hole is used to facilitate the extension and retraction actions of the electric heating knife body (2).

3. The automatic cutting assembly of an electric heating knife that is convenient for disassembly and assembly according to claim 1, wherein: A limiting component is arranged between the connecting block (6) and the U-shaped fixing seat (7). The limiting component includes horizontal rods (19) arranged on the front and back sides of the connecting block (6). Limiting rods (20) are horizontally fixed at both ends of the horizontal rod (19). Vertical slots adapted to the vertical sliding of the horizontal rod (19) are opened on the U-shaped fixing seat (7).

4. The automatic cutting assembly of an electric heating knife that is convenient for disassembly and assembly according to claim 1, wherein: The installation structure includes installation slots (10) symmetrically opened on the front and back sides of the mounting base (1). Springs (11) are connected in the installation slots (10). Connecting cross plates (14) are arranged on the front and back sides of the mounting base (1).

5. The automatic cutting assembly of the electric heating knife that is convenient for disassembly and assembly according to claim 4, wherein: Both ends of the connecting cross plate (14) are respectively connected to the outer ends of the springs (11) at the corresponding positions. Locking vertical plates (12) are fixed at both ends of the connecting cross plate (14). Insertion rods (13) are fixed at the tops of the locking vertical plates (12). The insertion rods (13) are inserted into the U-shaped fixing seats (7) and the heat insulation cover (9).

6. The automatic cutting assembly of the electric heating knife that is convenient for disassembly and assembly according to claim 5, wherein: Fixing vertical plates (16) are symmetrically fixed to the bottom surface of the mounting base (1). A screw rod (15) is rotatably inserted between the fixing vertical plates (16) on one side, and a fixing rod is fixed on the other side. The connecting cross plates (14) are respectively sleeved at both ends of the screw rod (15) and the fixing rod. A first rotating gear (17) is sleeved and fixed in the middle of the screw rod (15). A second rotating gear (18) is meshed with one side of the first rotating gear (17). A shaft rod is fixedly inserted in the middle axis of the second rotating gear (18). One end of the shaft rod is connected to a rotating motor. A U-shaped plate is rotatably sleeved on the shaft rod. The U-shaped plate is fixed to the bottom surface of the mounting base (1).

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