Automatic cutting-off assembly of electric heating knife

Abstract

The utility model discloses an automatic cut-off assembly of an electric heating knife, and relates to the technical field of composite materials. Comprising a mounting seat, a box body assembly is arranged outside the mounting seat, the mounting seat comprises a transverse seat and a vertical seat, two limiting blocks are arranged on the vertical seat, and blade seats are arranged on the two limiting blocks in a sliding mode. Through the arrangement of the assembly, when the assembly is used, the air cylinder is controlled to stretch out and retract, when the air cylinder stretches out, the telescopic end of the air cylinder drives the protruding block and the second connecting rod to integrally rotate with the first rotating rod as the axis, and the electric heating cutter body obliquely stretches out from the cutter outlet to rapidly cut off materials; the telescopic end of the air cylinder drives the protruding block and the second connecting rod to integrally rotate with the first rotating rod as the axis, the electric heating cutter body is obliquely retracted into the cutter box from the cutter outlet, safety is guaranteed, the assembly is suitable for an existing non-stop automatic roll changing system, manual cutting is not needed, cutting is faster and neater, and operation is easy and convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of composite materials, in particular to an electric hot knife automatic cutting component. Background Art

[0002] Thermoplastic film is a film made of polymer materials, which is plastic and recyclable. In the production and processing of composite materials, thermoplastic films such as PE films need to be cut online, and double-station rewinding and unwinding are required to automatically replace the PE unit without stopping.

[0003] An existing cutting knife and cutting assembly (authorization announcement number: CN 213944935 U) have the following defects: the above-mentioned cutting assembly improves the chip removal efficiency and thus improves the cutting quality by combining chip breaking and guiding. However, when cutting the PE film, a paper cutter is used manually to cut it, which makes it difficult to be applied to the existing non-stop automatic roll changing system. Moreover, manual cutting is used, and the cutting is not easy to be neat and the operation is relatively troublesome. Therefore, the present utility model is proposed. Utility Model Content

[0004] The utility model aims to provide an electric hot knife automatic cutting component to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an electric hot knife automatic cutting component, including a mounting seat, a box body component is arranged outside the mounting seat, the mounting seat includes a horizontal seat and a vertical seat, two limit blocks are arranged on the vertical seat, a blade seat is slidably arranged on the two limit blocks, a connecting lever assembly is arranged on the vertical seat, the connecting lever assembly includes a plurality of first connecting rods and second connecting rods which are equidistantly arranged on the vertical seat and spaced apart at the inner side of the vertical seat, a first rotating rod is rotatably inserted at one end of the first connecting rod and the second connecting rod, a second rotating rod is rotatably inserted at the other end of the first connecting rod and the second connecting rod, the first rotating rod is fixed on the vertical seat, the second rotating rod is fixed on the blade seat, a protrusion is fixed at one end of the bottom of the second connecting rod, and the connecting rod is fixed on the protrusion.

[0006] Preferably, a cylinder is provided on one side of the limit block, the outer telescopic end of the cylinder is rotatably sleeved on the connecting rod, and the cylinder is horizontally arranged.

[0007] Preferably, the box assembly includes a knife box arranged outside the mounting seat, a knife outlet is opened on the top of the knife box, through-plate straight-through mounting plates are symmetrically arranged at both ends of the knife box, and a through-plate straight-through body is arranged on the through-plate straight-through mounting plate.

[0008] Preferably, the vertical seat and the horizontal seat are fixed to each other to form an L-shaped plate, and the vertical seat and the horizontal seat are bolted to the knife box.

[0009] Preferably, a mounting groove is provided on the blade seat, an electric heating blade body is installed on the mounting groove, and a plurality of heating plates are equidistantly arranged on the outer side surface of the electric heating blade body, and the heating plates are used to heat the electric heating blade body.

[0010] Preferably, a limiting groove is provided on the limiting block, the limiting groove is adapted to slide with the blade seat, and the limiting groove is used to limit the sliding of the blade seat.

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

[0012] The electric hot knife automatic cutting component is configured to control the cylinder to extend and retract when the component is used. When the cylinder extends, the telescopic end of the cylinder drives the protrusion and the second connecting rod to rotate as a whole with the first rotating rod as the axis, and the electric hot knife body extends obliquely from the knife outlet to quickly cut the material. When the cylinder retracts, the telescopic end of the cylinder drives the protrusion and the second connecting rod to rotate as a whole with the first rotating rod as the axis, and the electric hot knife body is obliquely retracted into the knife box from the knife outlet to ensure safety. The component is suitable for existing non-stop automatic roll changing systems, does not require manual cutting, and cutting is faster and neater, and is easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a front view of the internal structure of the utility model without the box body assembly;

[0014] Figure 2 It is a three-dimensional structural schematic diagram of the utility model;

[0015] Figure 3 It is a first three-dimensional structural schematic diagram of the utility model without the internal structure of the box body assembly;

[0016] Figure 4 It is a second three-dimensional structural schematic diagram of the utility model without the internal structure of the box body assembly.

[0017] In the figure: 1. mounting seat; 101. horizontal seat; 102. vertical seat; 2. electric heating knife body; 3. heating plate; 4. blade seat; 401. mounting slot; 5. limit block; 501. limit slot; 6. cylinder; 7. connecting lever assembly; 701. first connecting rod; 702. second connecting rod; 703. first rotating rod; 704. second rotating rod; 705. protrusion; 8. knife box; 801. knife outlet; 9. through-plate straight-through mounting plate; 10. through-plate straight-through body. DETAILED DESCRIPTION

[0018] 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.

[0019] In the process of cutting thermoplastic films such as PE films, an electric hot knife body 2 is required. The electric hot knife automatic cutting component provided by the utility model is specially used for continuous and rapid cutting of PE films. The cutting is neat and easy to operate. In the process of using this component, it is necessary to carry out inspection and other preparation work in advance to ensure the normal use of the cutting component.

[0020] like Figure 1-Figure 4 As shown, the utility model provides a technical solution: an electric hot knife automatic cutting component, comprising a mounting seat 1, a box body component is arranged outside the mounting seat 1, the mounting seat 1 comprises a horizontal seat 101 and a vertical seat 102, two limit blocks 5 are arranged on the vertical seat 102, a blade seat 4 is slidably arranged on the two limit blocks 5, a connecting lever assembly 7 is arranged on the vertical seat 102, the connecting lever assembly 7 comprises a plurality of first connecting rods 701 and second connecting rods 702 which are equidistantly arranged on the vertical seat 102 and spaced apart from each other at the inner side of the vertical seat 102, a first rotating rod 703 is rotatably inserted at one end of the first connecting rod 701 and the second connecting rod 702, a second rotating rod 704 is rotatably inserted at the other end of the first connecting rod 701 and the second connecting rod 702, the first rotating rod 703 is fixed on the vertical seat 102, the second rotating rod 704 is fixed on the blade seat 4, a protrusion 705 is fixed at one end of the bottom of the second connecting rod 702, and a connecting rod is fixed on the protrusion 705.

[0021] In the embodiment, a cylinder 6 is provided on one side of the limit block 5, and the external telescopic end of the cylinder 6 is rotatably sleeved on the connecting rod. The cylinder 6 is horizontally arranged and installed on the vertical seat 102. The telescopic end of the cylinder 6 is used to drive the two ends of the second connecting rod 702 to rotate accordingly, so as to facilitate the oblique extension and retraction of the electric heating knife body 2. The box body assembly includes a knife box 8 arranged on the outside of the mounting seat 1, and a knife outlet 801 is opened on the top of the knife box 8. Through-plate straight-through mounting plates 9 are symmetrically arranged at both ends of the knife box 8, and a through-plate straight-through body 10 is arranged on the through-plate straight-through mounting plate 9, wherein the knife outlet 801 is adapted to the extension and retraction trajectory of the electric heating knife body 2. To a certain extent, the knife outlet 801 plays a limiting role on the electric heating knife body 2.

[0022] In the embodiment, the vertical seat 102 and the horizontal seat 101 are fixed to form an L-shaped plate, and the vertical seat 102 and the horizontal seat 101 are bolted to the knife box 8, wherein the mounting seat 1 is convenient for installation and disassembly with the knife box 8. Through the setting of the component, when the component is used, the cylinder 6 is controlled to extend and retract, and the corresponding electric heating knife body 2 is driven to extend obliquely from the knife outlet 801 to quickly cut the material, and the electric heating knife body 2 is driven to be obliquely retracted from the knife outlet 801 into the knife box 8 to ensure safety. The component is suitable for the existing non-stop automatic roll changing system, without manual cutting, cutting is faster and neater, and the operation is simple. The component is matched with the existing automatic overlapping mechanism, pneumatic safety chuck and other components to realize continuous unwinding without stopping, and can be matched with fully automated equipment.

[0023] In the embodiment, a mounting groove 401 is provided on the blade seat 4, and an electric heating blade body 2 is installed on the mounting groove 401. A plurality of heating plates 3 are equidistantly arranged on the outer side of the electric heating blade body 2. The heating plates 3 are used to heat the electric heating blade body 2. When the electric heating blade body 2 needs to be installed, the electric heating blade body 2 is placed on the mounting groove 401 and locked by a locking bolt to ensure that the installation and disassembly of the electric heating blade body 2 are convenient. The heating plates 3 are prior art and are used to heat the electric heating blade body 2 to ensure that the electric heating blade body 2 In order to ensure smooth cutting operation, a limiting groove 501 is provided on the limiting block 5, and the limiting groove 501 slides in adaptation with the blade seat 4, and the limiting groove 501 is used to limit the sliding of the blade seat 4, wherein, when the blade seat 4 is obliquely extended and retracted into the electric heating knife body 2 under the action of the connecting lever assembly 7 and the cylinder 6, the blade seat 4 performs corresponding sliding operation in the limiting groove 501. It should be noted that the through-plate mounting plate 9, the electric heating knife body 2, the cylinder 6 and the through-plate body 10 are prior arts, which ensure the normal use of the assembly.

[0024] Working principle: When using this component, first install the component in a suitable position, and control the cylinder 6 to perform reciprocating stretching and contraction operations. When the cylinder 6 is stretched, the telescopic end of the cylinder 6 drives the connecting rod, the protrusion 705 and the second connecting rod 702 to rotate as a whole with the first rotating rod 703 as the axis, so that one end of the second connecting rod 702 performs a corresponding rotation operation with the second rotating rod 704 as the axis. At the same time, the two ends of the first connecting rod 701 respectively rotate with the corresponding first rotating rod 703 and the second rotating rod 704 as the axis, so that the blade seat 4 can be quickly extended from the knife outlet 801 under the limit of the limit groove 501 to cut the material, which is convenient for quickly and evenly cutting the material, and it is collected into the knife box 8 from the knife outlet 801, which is safer and more reliable.

[0025] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is limited by the attached embodiments and their equivalents.

Claims

1. An electric hot knife automatic cutting assembly, comprising a mounting seat (1), characterized in that: A box assembly is arranged outside the mounting seat (1), the mounting seat (1) comprises a horizontal seat (101) and a vertical seat (102), two limit blocks (5) are arranged on the vertical seat (102), a blade seat (4) is slidably arranged on the two limit blocks (5), a connecting lever assembly (7) is arranged on the vertical seat (102), and the connecting lever assembly (7) comprises a plurality of first connecting rods (701) and second connecting rods (702) which are equidistantly arranged on the vertical seat (102) and spaced apart on the inner side of the vertical seat (102). A first rotating rod (703) is rotatably inserted at one end of the first connecting rod (701) and the second connecting rod (702), and a second rotating rod (704) is rotatably inserted at the other end of the first connecting rod (701) and the second connecting rod (702). The first rotating rod (703) is fixed on the vertical seat (102), and the second rotating rod (704) is fixed on the blade seat (4). A protrusion (705) is fixed at one end of the bottom of the second connecting rod (702), and a connecting rod is fixed on the protrusion (705).

2. The electric hot knife automatic cutting assembly according to claim 1, characterized in that: A cylinder (6) is provided on one side of the limit block (5), and the telescopic end of the cylinder (6) is externally rotatably sleeved on the connecting rod, and the cylinder (6) is horizontally arranged.

3. The electric hot knife automatic cutting assembly according to claim 1, characterized in that: The box assembly comprises a knife box (8) arranged outside the mounting seat (1), a knife outlet (801) being provided at the top of the knife box (8), through-plate straight-through mounting plates (9) being symmetrically arranged at both ends of the knife box (8), and a through-plate straight-through body (10) being arranged on the through-plate straight-through mounting plate (9).

4. The electric hot knife automatic cutting assembly according to claim 3, characterized in that: The vertical seat (102) and the horizontal seat (101) are fixed to each other to form an L-shaped plate, and the vertical seat (102) and the horizontal seat (101) are bolted to the knife box (8).

5. The electric hot knife automatic cutting assembly according to claim 1, characterized in that: The blade seat (4) is provided with a mounting groove (401), an electric heating blade body (2) is mounted on the mounting groove (401), a plurality of heating plates (3) are equidistantly arranged on the outer side surface of the electric heating blade body (2), and the heating plates (3) are used to heat the electric heating blade body (2).

6. The electric hot knife automatic cutting assembly according to claim 1, characterized in that: The limiting block (5) is provided with a limiting groove (501), the limiting groove (501) is adapted to slide with the blade seat (4), and the limiting groove (501) is used to limit the sliding of the blade seat (4).

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